11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4ec7748b5SSam Ravnborg select HAVE_IDE 542d4b839SMathieu Desnoyers select HAVE_OPROFILE 688547001SJason Wessel select HAVE_ARCH_KGDB 71da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 81da177e4SLinus Torvalds select EMBEDDED 990b02340SRalf Baechle select RTC_LIB 101da177e4SLinus Torvalds 111da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 121da177e4SLinus Torvalds 131da177e4SLinus Torvaldsmenu "Machine selection" 141da177e4SLinus Torvalds 155ac6da66SChristoph Lameterconfig ZONE_DMA 165ac6da66SChristoph Lameter bool 175ac6da66SChristoph Lameter 185e83d430SRalf Baechlechoice 195e83d430SRalf Baechle prompt "System type" 205e83d430SRalf Baechle default SGI_IP22 211da177e4SLinus Torvalds 22c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 23c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 241da177e4SLinus Torvalds 2535189fadSRalf Baechleconfig BASLER_EXCITE 26be91589eSThomas Koeller bool "Basler eXcite smart camera" 2742f77542SRalf Baechle select CEVT_R4K 28940f6b48SRalf Baechle select CSRC_R4K 2935189fadSRalf Baechle select DMA_COHERENT 3035189fadSRalf Baechle select HW_HAS_PCI 3135189fadSRalf Baechle select IRQ_CPU 3235189fadSRalf Baechle select IRQ_CPU_RM7K 3335189fadSRalf Baechle select IRQ_CPU_RM9K 34663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3535189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3635189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3735189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3835189fadSRalf Baechle help 3935189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 40be91589eSThomas Koeller Basler Vision Technologies AG. 4135189fadSRalf Baechle 421c0c13ebSAurelien Jarnoconfig BCM47XX 431c0c13ebSAurelien Jarno bool "BCM47XX based boards" 4442f77542SRalf Baechle select CEVT_R4K 45940f6b48SRalf Baechle select CSRC_R4K 461c0c13ebSAurelien Jarno select DMA_NONCOHERENT 471c0c13ebSAurelien Jarno select HW_HAS_PCI 481c0c13ebSAurelien Jarno select IRQ_CPU 491c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 501c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 511c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 521c0c13ebSAurelien Jarno select SSB 531c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 542f02c15aSAurelien Jarno select SSB_DRIVER_EXTIF 55b06f3e19SAurelien Jarno select SSB_EMBEDDED 562f02c15aSAurelien Jarno select SSB_PCICORE_HOSTMODE if PCI 571c0c13ebSAurelien Jarno select GENERIC_GPIO 5825e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 5925e5fb97SAurelien Jarno select CFE 601c0c13ebSAurelien Jarno help 611c0c13ebSAurelien Jarno Support for BCM47XX based boards 621c0c13ebSAurelien Jarno 631da177e4SLinus Torvaldsconfig MIPS_COBALT 643fa986faSMartin Michlmayr bool "Cobalt Server" 6542f77542SRalf Baechle select CEVT_R4K 66940f6b48SRalf Baechle select CSRC_R4K 671097c6acSYoichi Yuasa select CEVT_GT641XX 681da177e4SLinus Torvalds select DMA_NONCOHERENT 691da177e4SLinus Torvalds select HW_HAS_PCI 70d865bea4SRalf Baechle select I8253 711da177e4SLinus Torvalds select I8259 721da177e4SLinus Torvalds select IRQ_CPU 73d5ab1a69SYoichi Yuasa select IRQ_GT641XX 74252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 757cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 760a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 77ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 780e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 795e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 809fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 811da177e4SLinus Torvalds 821da177e4SLinus Torvaldsconfig MACH_DECSTATION 833fa986faSMartin Michlmayr bool "DECstations" 841da177e4SLinus Torvalds select BOOT_ELF32 856457d9fcSYoichi Yuasa select CEVT_DS1287 8642f77542SRalf Baechle select CEVT_R4K 874247417dSYoichi Yuasa select CSRC_IOASIC 88940f6b48SRalf Baechle select CSRC_R4K 8920d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 9020d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 9120d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 921da177e4SLinus Torvalds select DMA_NONCOHERENT 93d388d685SMaciej W. Rozycki select NO_IOPORT 941da177e4SLinus Torvalds select IRQ_CPU 957cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 967cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 97ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 98ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 995e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1001723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 1011723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 1021723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 1035e83d430SRalf Baechle help 1041da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1051da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1061da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1071da177e4SLinus Torvalds 1081da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1091da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1101da177e4SLinus Torvalds 1111da177e4SLinus Torvalds DECstation 5000/50 1121da177e4SLinus Torvalds DECstation 5000/150 1131da177e4SLinus Torvalds DECstation 5000/260 1141da177e4SLinus Torvalds DECsystem 5900/260 1151da177e4SLinus Torvalds 1161da177e4SLinus Torvalds otherwise choose R3000. 1171da177e4SLinus Torvalds 1185e83d430SRalf Baechleconfig MACH_JAZZ 1193fa986faSMartin Michlmayr bool "Jazz family of machines" 1205e83d430SRalf Baechle select ARC 1215e83d430SRalf Baechle select ARC32 1225e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 12342f77542SRalf Baechle select CEVT_R4K 124940f6b48SRalf Baechle select CSRC_R4K 125e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1265e83d430SRalf Baechle select GENERIC_ISA_DMA 127ea202c63SThomas Bogendoerfer select IRQ_CPU 128d865bea4SRalf Baechle select I8253 1295e83d430SRalf Baechle select I8259 1305e83d430SRalf Baechle select ISA 1317cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1325e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1335e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1341723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1359fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1361da177e4SLinus Torvalds help 1375e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1385e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1395e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1405e83d430SRalf Baechle Olivetti M700-10 workstations. 1415e83d430SRalf Baechle 1421f21d2bdSBrian Murphyconfig LASAT 1431f21d2bdSBrian Murphy bool "LASAT Networks platforms" 14442f77542SRalf Baechle select CEVT_R4K 145940f6b48SRalf Baechle select CSRC_R4K 1461f21d2bdSBrian Murphy select DMA_NONCOHERENT 1471f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1481f21d2bdSBrian Murphy select HW_HAS_PCI 149a5ccfe5cSRalf Baechle select IRQ_CPU 1501f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1511f21d2bdSBrian Murphy select MIPS_NILE4 1521f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1531f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1541f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1551f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1561f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1571f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1581f21d2bdSBrian Murphy 159ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 160ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 161ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 16242f77542SRalf Baechle select CEVT_R4K 163940f6b48SRalf Baechle select CSRC_R4K 164ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 165ade299d8SYoichi Yuasa select DMA_NONCOHERENT 166ade299d8SYoichi Yuasa select BOOT_ELF32 167ade299d8SYoichi Yuasa select BOARD_SCACHE 168ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 169ade299d8SYoichi Yuasa select HW_HAS_PCI 170ade299d8SYoichi Yuasa select I8259 171ade299d8SYoichi Yuasa select ISA 172ade299d8SYoichi Yuasa select IRQ_CPU 173ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 174ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 175ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 176ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 177ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 178ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 17923dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 180ade299d8SYoichi Yuasa select CPU_HAS_WB 181ade299d8SYoichi Yuasa help 182ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 183ade299d8SYoichi Yuasa an FPGA northbridge 184ade299d8SYoichi Yuasa 1851da177e4SLinus Torvaldsconfig MIPS_MALTA 1863fa986faSMartin Michlmayr bool "MIPS Malta board" 18761ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1881da177e4SLinus Torvalds select BOOT_ELF32 189fa71c960SRalf Baechle select BOOT_RAW 19042f77542SRalf Baechle select CEVT_R4K 191940f6b48SRalf Baechle select CSRC_R4K 1921da177e4SLinus Torvalds select DMA_NONCOHERENT 1931da177e4SLinus Torvalds select GENERIC_ISA_DMA 194aa414dffSRalf Baechle select IRQ_CPU 19539b8d525SRalf Baechle select IRQ_GIC 1961da177e4SLinus Torvalds select HW_HAS_PCI 197d865bea4SRalf Baechle select I8253 1981da177e4SLinus Torvalds select I8259 1995e83d430SRalf Baechle select MIPS_BOARDS_GEN 2005e83d430SRalf Baechle select MIPS_BONITO64 2019318c51aSChris Dearman select MIPS_CPU_SCACHE 202252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2035e83d430SRalf Baechle select MIPS_MSC 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 21036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 211ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 212ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2135e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2145e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2154a16ff4cSRalf Baechle select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken 216f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2179693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2181da177e4SLinus Torvalds help 219f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2201da177e4SLinus Torvalds board. 2211da177e4SLinus Torvalds 222c78cbf49SRalf Baechleconfig MIPS_SIM 2233fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 22442f77542SRalf Baechle select CEVT_R4K 225940f6b48SRalf Baechle select CSRC_R4K 226c78cbf49SRalf Baechle select DMA_NONCOHERENT 22736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 228c78cbf49SRalf Baechle select IRQ_CPU 2299267a30dSMarc St-Jean select BOOT_RAW 2307cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2317cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 23236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 233c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 234c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 235f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 236c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 237c78cbf49SRalf Baechle help 238c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 239c78cbf49SRalf Baechle emulator. 240c78cbf49SRalf Baechle 241cd741b60SShinya Kuribayashiconfig MACH_EMMA 242cd741b60SShinya Kuribayashi bool "NEC EMMA series based machines" 243ade299d8SYoichi Yuasa 2445e83d430SRalf Baechleconfig MACH_VR41XX 24574142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 24642f77542SRalf Baechle select CEVT_R4K 247940f6b48SRalf Baechle select CSRC_R4K 2487cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2499fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 2505e83d430SRalf Baechle 251edb6310aSDaniel Lairdconfig NXP_STB220 252edb6310aSDaniel Laird bool "NXP STB220 board" 253edb6310aSDaniel Laird select SOC_PNX833X 254edb6310aSDaniel Laird help 255edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 256edb6310aSDaniel Laird 257edb6310aSDaniel Lairdconfig NXP_STB225 258edb6310aSDaniel Laird bool "NXP 225 board" 259edb6310aSDaniel Laird select SOC_PNX833X 260edb6310aSDaniel Laird select SOC_PNX8335 261edb6310aSDaniel Laird help 262edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 263edb6310aSDaniel Laird 264ade299d8SYoichi Yuasaconfig PNX8550_JBS 265a92b0588SDaniel Laird bool "NXP PNX8550 based JBS board" 266ade299d8SYoichi Yuasa select PNX8550 267ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 268ade299d8SYoichi Yuasa 269ade299d8SYoichi Yuasaconfig PNX8550_STB810 270a92b0588SDaniel Laird bool "NXP PNX8550 based STB810 board" 271ade299d8SYoichi Yuasa select PNX8550 272ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 273ade299d8SYoichi Yuasa 2749267a30dSMarc St-Jeanconfig PMC_MSP 2759267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 2769267a30dSMarc St-Jean depends on EXPERIMENTAL 2779267a30dSMarc St-Jean select DMA_NONCOHERENT 2789267a30dSMarc St-Jean select SWAP_IO_SPACE 2799267a30dSMarc St-Jean select NO_EXCEPT_FILL 2809267a30dSMarc St-Jean select BOOT_RAW 2819267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 2829267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 2839267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 2849267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 2859267a30dSMarc St-Jean select IRQ_CPU 2869267a30dSMarc St-Jean select SERIAL_8250 2879267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 2889267a30dSMarc St-Jean help 2899267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 2909267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 2919267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 2929267a30dSMarc St-Jean a variety of MIPS cores. 2939267a30dSMarc St-Jean 2945e83d430SRalf Baechleconfig PMC_YOSEMITE 2953fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 29642f77542SRalf Baechle select CEVT_R4K 297940f6b48SRalf Baechle select CSRC_R4K 2985e83d430SRalf Baechle select DMA_COHERENT 2995e83d430SRalf Baechle select HW_HAS_PCI 3005e83d430SRalf Baechle select IRQ_CPU 3015e83d430SRalf Baechle select IRQ_CPU_RM7K 3025e83d430SRalf Baechle select IRQ_CPU_RM9K 3035e83d430SRalf Baechle select SWAP_IO_SPACE 3047cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 30536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3065e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3075e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3085e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3095e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 310e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3115e83d430SRalf Baechle help 3125e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3135e83d430SRalf Baechle manufactured by PMC-Sierra. 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvaldsconfig SGI_IP22 3163fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3171da177e4SLinus Torvalds select ARC 3181da177e4SLinus Torvalds select ARC32 3191da177e4SLinus Torvalds select BOOT_ELF32 32042f77542SRalf Baechle select CEVT_R4K 321940f6b48SRalf Baechle select CSRC_R4K 322e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3231da177e4SLinus Torvalds select DMA_NONCOHERENT 3245e83d430SRalf Baechle select HW_HAS_EISA 325d865bea4SRalf Baechle select I8253 32668de4803SThomas Bogendoerfer select I8259 3271da177e4SLinus Torvalds select IP22_CPU_SCACHE 3281da177e4SLinus Torvalds select IRQ_CPU 329aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 330e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 331e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 33236e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 333e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 334e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 335e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3361da177e4SLinus Torvalds select SWAP_IO_SPACE 3377cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3387cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 33936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 340ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 341ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3425e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3431da177e4SLinus Torvalds help 3441da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3451da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3461da177e4SLinus Torvalds that runs on these, say Y here. 3471da177e4SLinus Torvalds 3481da177e4SLinus Torvaldsconfig SGI_IP27 3493fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3501da177e4SLinus Torvalds select ARC 3511da177e4SLinus Torvalds select ARC64 3525e83d430SRalf Baechle select BOOT_ELF64 353e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3541da177e4SLinus Torvalds select DMA_IP27 35536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3561da177e4SLinus Torvalds select HW_HAS_PCI 357130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3587cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 359ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3605e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 361d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3621a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 363e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 3641da177e4SLinus Torvalds help 3651da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3661da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3671da177e4SLinus Torvalds here. 3681da177e4SLinus Torvalds 369e2defae5SThomas Bogendoerferconfig SGI_IP28 370e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 371e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 372e2defae5SThomas Bogendoerfer select ARC 373e2defae5SThomas Bogendoerfer select ARC64 374e2defae5SThomas Bogendoerfer select BOOT_ELF64 375e2defae5SThomas Bogendoerfer select CEVT_R4K 376e2defae5SThomas Bogendoerfer select CSRC_R4K 377e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 378e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 379e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 380e2defae5SThomas Bogendoerfer select IRQ_CPU 381e2defae5SThomas Bogendoerfer select HW_HAS_EISA 382e2defae5SThomas Bogendoerfer select I8253 383e2defae5SThomas Bogendoerfer select I8259 384e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 385e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 3865b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 387e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 388e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 389e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 390e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 391e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 392e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 393e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 394e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 395e2defae5SThomas Bogendoerfer help 396e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 397e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 398e2defae5SThomas Bogendoerfer 3991da177e4SLinus Torvaldsconfig SGI_IP32 400cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4011da177e4SLinus Torvalds select ARC 4021da177e4SLinus Torvalds select ARC32 4031da177e4SLinus Torvalds select BOOT_ELF32 40442f77542SRalf Baechle select CEVT_R4K 405940f6b48SRalf Baechle select CSRC_R4K 4061da177e4SLinus Torvalds select DMA_NONCOHERENT 4071da177e4SLinus Torvalds select HW_HAS_PCI 408dd67b155SRalf Baechle select IRQ_CPU 4091da177e4SLinus Torvalds select R5000_CPU_SCACHE 4101da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4117cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4127cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4137cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 414dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 415ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4165e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4171da177e4SLinus Torvalds help 4181da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4191da177e4SLinus Torvalds 420ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 421ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4225e83d430SRalf Baechle depends on EXPERIMENTAL 4235e83d430SRalf Baechle select BOOT_ELF32 4245e83d430SRalf Baechle select DMA_COHERENT 4255e83d430SRalf Baechle select SIBYTE_BCM1120 4265e83d430SRalf Baechle select SWAP_IO_SPACE 4277cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4285e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4295e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4305e83d430SRalf Baechle 431ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 432ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4335e83d430SRalf Baechle depends on EXPERIMENTAL 4345e83d430SRalf Baechle select BOOT_ELF32 4355e83d430SRalf Baechle select DMA_COHERENT 4365e83d430SRalf Baechle select SIBYTE_BCM1120 4375e83d430SRalf Baechle select SWAP_IO_SPACE 4387cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4395e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4405e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4415e83d430SRalf Baechle 4425e83d430SRalf Baechleconfig SIBYTE_CRHONE 4433fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4445e83d430SRalf Baechle depends on EXPERIMENTAL 4455e83d430SRalf Baechle select BOOT_ELF32 4465e83d430SRalf Baechle select DMA_COHERENT 4475e83d430SRalf Baechle select SIBYTE_BCM1125 4485e83d430SRalf Baechle select SWAP_IO_SPACE 4497cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4505e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4515e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4525e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4535e83d430SRalf Baechle 454ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 455ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 456ade299d8SYoichi Yuasa depends on EXPERIMENTAL 457ade299d8SYoichi Yuasa select BOOT_ELF32 458ade299d8SYoichi Yuasa select DMA_COHERENT 459ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 460ade299d8SYoichi Yuasa select SWAP_IO_SPACE 461ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 462ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 463ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 464ade299d8SYoichi Yuasa 465ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 466ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 467ade299d8SYoichi Yuasa select BOOT_ELF32 468ade299d8SYoichi Yuasa select DMA_COHERENT 469ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 470ade299d8SYoichi Yuasa select SIBYTE_SB1250 471ade299d8SYoichi Yuasa select SWAP_IO_SPACE 472ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 473ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 474ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 475ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 476cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 477ade299d8SYoichi Yuasa 478ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 479ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 480ade299d8SYoichi Yuasa depends on EXPERIMENTAL 481ade299d8SYoichi Yuasa select BOOT_ELF32 482ade299d8SYoichi Yuasa select DMA_COHERENT 483ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 484ade299d8SYoichi Yuasa select SIBYTE_SB1250 485ade299d8SYoichi Yuasa select SWAP_IO_SPACE 486ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 487ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 488ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 489ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 490ade299d8SYoichi Yuasa 491ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 492ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 493ade299d8SYoichi Yuasa depends on EXPERIMENTAL 494ade299d8SYoichi Yuasa select BOOT_ELF32 495ade299d8SYoichi Yuasa select DMA_COHERENT 496ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 497ade299d8SYoichi Yuasa select SIBYTE_SB1250 498ade299d8SYoichi Yuasa select SWAP_IO_SPACE 499ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 500ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 501ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 502ade299d8SYoichi Yuasa 503ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 504ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 505ade299d8SYoichi Yuasa select BOOT_ELF32 506ade299d8SYoichi Yuasa select DMA_COHERENT 507ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 508ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 509ade299d8SYoichi Yuasa select SWAP_IO_SPACE 510ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 511ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 512651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 513ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 514cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 515ade299d8SYoichi Yuasa 51614b36af4SThomas Bogendoerferconfig SNI_RM 51714b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5184a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5194a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 520231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5215e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5225e83d430SRalf Baechle select BOOT_ELF32 52342f77542SRalf Baechle select CEVT_R4K 524940f6b48SRalf Baechle select CSRC_R4K 525e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5265e83d430SRalf Baechle select DMA_NONCOHERENT 5275e83d430SRalf Baechle select GENERIC_ISA_DMA 5285e83d430SRalf Baechle select HW_HAS_EISA 5295e83d430SRalf Baechle select HW_HAS_PCI 530c066a32aSThomas Bogendoerfer select IRQ_CPU 531d865bea4SRalf Baechle select I8253 5325e83d430SRalf Baechle select I8259 5335e83d430SRalf Baechle select ISA 5344a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5357cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5364a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 537c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5384a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 53936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 540ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5415e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5424a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5435e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5445e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5451da177e4SLinus Torvalds help 54614b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 54714b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5485e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5495e83d430SRalf Baechle support this machine type. 5501da177e4SLinus Torvalds 551edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 552edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 5535e83d430SRalf Baechle 554edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 555edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 55623fbee9dSRalf Baechle 55773b4390fSRalf Baechleconfig MIKROTIK_RB532 55873b4390fSRalf Baechle bool "Mikrotik RB532 boards" 55973b4390fSRalf Baechle select CEVT_R4K 56073b4390fSRalf Baechle select CSRC_R4K 56173b4390fSRalf Baechle select DMA_NONCOHERENT 56273b4390fSRalf Baechle select GENERIC_HARDIRQS_NO__DO_IRQ 56373b4390fSRalf Baechle select HW_HAS_PCI 56473b4390fSRalf Baechle select IRQ_CPU 56573b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 56673b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 56773b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 56873b4390fSRalf Baechle select SWAP_IO_SPACE 56973b4390fSRalf Baechle select BOOT_RAW 570d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 57173b4390fSRalf Baechle help 57273b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 57373b4390fSRalf Baechle based on the IDT RC32434 SoC. 57473b4390fSRalf Baechle 575ade299d8SYoichi Yuasaconfig WR_PPMC 576ade299d8SYoichi Yuasa bool "Wind River PPMC board" 57742f77542SRalf Baechle select CEVT_R4K 578940f6b48SRalf Baechle select CSRC_R4K 579ade299d8SYoichi Yuasa select IRQ_CPU 580ade299d8SYoichi Yuasa select BOOT_ELF32 581ade299d8SYoichi Yuasa select DMA_NONCOHERENT 582ade299d8SYoichi Yuasa select HW_HAS_PCI 583ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 584ade299d8SYoichi Yuasa select SWAP_IO_SPACE 585ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 586ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 587ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 588ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 589ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 590ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 591ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 592ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 593ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 594ade299d8SYoichi Yuasa help 595ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 596ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 597ade299d8SYoichi Yuasa 598a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_SIMULATOR 599a86c7f72SDavid Daney bool "Support for the Cavium Networks Octeon Simulator" 600a86c7f72SDavid Daney select CEVT_R4K 601a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 602a86c7f72SDavid Daney select DMA_COHERENT 603a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 604a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 605a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 606a86c7f72SDavid Daney select CPU_CAVIUM_OCTEON 607a86c7f72SDavid Daney help 608a86c7f72SDavid Daney The Octeon simulator is software performance model of the Cavium 609a86c7f72SDavid Daney Octeon Processor. It supports simulating Octeon processors on x86 610a86c7f72SDavid Daney hardware. 611a86c7f72SDavid Daney 612a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_REFERENCE_BOARD 613a86c7f72SDavid Daney bool "Support for the Cavium Networks Octeon reference board" 614a86c7f72SDavid Daney select CEVT_R4K 615a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 616a86c7f72SDavid Daney select DMA_COHERENT 617a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 618a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 619a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 620a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 621a86c7f72SDavid Daney select CPU_CAVIUM_OCTEON 622a86c7f72SDavid Daney select SWAP_IO_SPACE 623a86c7f72SDavid Daney help 624a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 625a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 626a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 627a86c7f72SDavid Daney Some of the supported boards are: 628a86c7f72SDavid Daney EBT3000 629a86c7f72SDavid Daney EBH3000 630a86c7f72SDavid Daney EBH3100 631a86c7f72SDavid Daney Thunder 632a86c7f72SDavid Daney Kodama 633a86c7f72SDavid Daney Hikari 634a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 635a86c7f72SDavid Daney 6361da177e4SLinus Torvaldsendchoice 6371da177e4SLinus Torvalds 638e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 6399c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 640cd741b60SShinya Kuribayashisource "arch/mips/emma/Kconfig" 6415e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6421f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6435e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 64429c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 64538b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 64622b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 6475e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 648a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 64938b18f72SRalf Baechle 6505e83d430SRalf Baechleendmenu 6515e83d430SRalf Baechle 6521da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6531da177e4SLinus Torvalds bool 6541da177e4SLinus Torvalds default y 6551da177e4SLinus Torvalds 6561da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6571da177e4SLinus Torvalds bool 6581da177e4SLinus Torvalds 659f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 660f0d1b0b3SDavid Howells bool 661f0d1b0b3SDavid Howells default n 662f0d1b0b3SDavid Howells 663f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 664f0d1b0b3SDavid Howells bool 665f0d1b0b3SDavid Howells default n 666f0d1b0b3SDavid Howells 66700a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 66800a58253SRalf Baechle bool 66900a58253SRalf Baechle default y if !MIPS_MT_SMTC 67000a58253SRalf Baechle 6713c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6723c9ee7efSAkinobu Mita bool 6733c9ee7efSAkinobu Mita default y 6743c9ee7efSAkinobu Mita 6753c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6763c9ee7efSAkinobu Mita bool 6773c9ee7efSAkinobu Mita default y 6783c9ee7efSAkinobu Mita 6791da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6801da177e4SLinus Torvalds bool 6811da177e4SLinus Torvalds default y 6821da177e4SLinus Torvalds 6837bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 6847bcf7717SRalf Baechle bool 6857bcf7717SRalf Baechle default y 6867bcf7717SRalf Baechle 6878db02010SRalf Baechleconfig GENERIC_TIME 6888db02010SRalf Baechle bool 6898db02010SRalf Baechle default y 6908db02010SRalf Baechle 691f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 692f5ff0a28SRalf Baechle bool 693f5ff0a28SRalf Baechle default y 694f5ff0a28SRalf Baechle 695ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 6961cc89038SAtsushi Nemoto bool 6971cc89038SAtsushi Nemoto default y 6981cc89038SAtsushi Nemoto 699e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 700e77c232cSFranck Bui-Huu bool 701e77c232cSFranck Bui-Huu default n 702e77c232cSFranck Bui-Huu 7031da177e4SLinus Torvalds# 7041da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7051da177e4SLinus Torvalds# 7061da177e4SLinus Torvaldsconfig ARC 7071da177e4SLinus Torvalds bool 7081da177e4SLinus Torvalds 70961ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 71061ed242dSRalf Baechle bool 71161ed242dSRalf Baechle 7129267a30dSMarc St-Jeanconfig BOOT_RAW 7139267a30dSMarc St-Jean bool 7149267a30dSMarc St-Jean 715217dd11eSRalf Baechleconfig CEVT_BCM1480 716217dd11eSRalf Baechle bool 717217dd11eSRalf Baechle 7186457d9fcSYoichi Yuasaconfig CEVT_DS1287 7196457d9fcSYoichi Yuasa bool 7206457d9fcSYoichi Yuasa 7211097c6acSYoichi Yuasaconfig CEVT_GT641XX 7221097c6acSYoichi Yuasa bool 7231097c6acSYoichi Yuasa 724*779e7d41SManuel Laussconfig CEVT_R4K_LIB 725*779e7d41SManuel Lauss bool 726*779e7d41SManuel Lauss 72742f77542SRalf Baechleconfig CEVT_R4K 728*779e7d41SManuel Lauss select CEVT_R4K_LIB 72942f77542SRalf Baechle bool 73042f77542SRalf Baechle 731217dd11eSRalf Baechleconfig CEVT_SB1250 732217dd11eSRalf Baechle bool 733217dd11eSRalf Baechle 734229f773eSAtsushi Nemotoconfig CEVT_TXX9 735229f773eSAtsushi Nemoto bool 736229f773eSAtsushi Nemoto 737217dd11eSRalf Baechleconfig CSRC_BCM1480 738217dd11eSRalf Baechle bool 739217dd11eSRalf Baechle 7404247417dSYoichi Yuasaconfig CSRC_IOASIC 7414247417dSYoichi Yuasa bool 7424247417dSYoichi Yuasa 743*779e7d41SManuel Laussconfig CSRC_R4K_LIB 744*779e7d41SManuel Lauss bool 745*779e7d41SManuel Lauss 746940f6b48SRalf Baechleconfig CSRC_R4K 747*779e7d41SManuel Lauss select CSRC_R4K_LIB 748940f6b48SRalf Baechle bool 749940f6b48SRalf Baechle 750217dd11eSRalf Baechleconfig CSRC_SB1250 751217dd11eSRalf Baechle bool 752217dd11eSRalf Baechle 753a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 754a9aec7feSAtsushi Nemoto select GENERIC_GPIO 7557444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 756a9aec7feSAtsushi Nemoto bool 757a9aec7feSAtsushi Nemoto 758df78b5c8SAurelien Jarnoconfig CFE 759df78b5c8SAurelien Jarno bool 760df78b5c8SAurelien Jarno 7611da177e4SLinus Torvaldsconfig DMA_COHERENT 7621da177e4SLinus Torvalds bool 7631da177e4SLinus Torvalds 7641da177e4SLinus Torvaldsconfig DMA_IP27 7651da177e4SLinus Torvalds bool 7661da177e4SLinus Torvalds 7671da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7681da177e4SLinus Torvalds bool 7694ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7704ce588cdSRalf Baechle 7714ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7724ce588cdSRalf Baechle bool 7731da177e4SLinus Torvalds 7741da177e4SLinus Torvaldsconfig EARLY_PRINTK 77536a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 77636a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 77736a88530SRalf Baechle default y 77836a88530SRalf Baechle help 77936a88530SRalf Baechle This option enables special console drivers which allow the kernel 78036a88530SRalf Baechle to print messages very early in the bootup process. 78136a88530SRalf Baechle 78236a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 783490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 784490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 785490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 78636a88530SRalf Baechle unless you want to debug such a crash. 78736a88530SRalf Baechle 78836a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7891da177e4SLinus Torvalds bool 7901da177e4SLinus Torvalds 791dbb74540SRalf Baechleconfig HOTPLUG_CPU 792dbb74540SRalf Baechle bool 793dbb74540SRalf Baechle default n 794dbb74540SRalf Baechle 7951da177e4SLinus Torvaldsconfig I8259 7961da177e4SLinus Torvalds bool 7971da177e4SLinus Torvalds 7981da177e4SLinus Torvaldsconfig MIPS_BONITO64 7991da177e4SLinus Torvalds bool 8001da177e4SLinus Torvalds 8011da177e4SLinus Torvaldsconfig MIPS_MSC 8021da177e4SLinus Torvalds bool 8031da177e4SLinus Torvalds 8041f21d2bdSBrian Murphyconfig MIPS_NILE4 8051f21d2bdSBrian Murphy bool 8061f21d2bdSBrian Murphy 8071da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8081da177e4SLinus Torvalds bool 8091da177e4SLinus Torvalds 81039b8d525SRalf Baechleconfig SYNC_R4K 81139b8d525SRalf Baechle bool 81239b8d525SRalf Baechle 813d388d685SMaciej W. Rozyckiconfig NO_IOPORT 814d388d685SMaciej W. Rozycki def_bool n 815d388d685SMaciej W. Rozycki 8168313da30SRalf Baechleconfig GENERIC_ISA_DMA 8178313da30SRalf Baechle bool 8188313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8198313da30SRalf Baechle 820aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 821aa414dffSRalf Baechle bool 8228313da30SRalf Baechle select GENERIC_ISA_DMA 823aa414dffSRalf Baechle 82409663335SYoichi Yuasaconfig GENERIC_GPIO 82509663335SYoichi Yuasa bool 82609663335SYoichi Yuasa 8275e83d430SRalf Baechle# 8283cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8295e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8305e83d430SRalf Baechle# choice statement should be more obvious to the user. 8315e83d430SRalf Baechle# 8325e83d430SRalf Baechlechoice 8335e83d430SRalf Baechle prompt "Endianess selection" 8341da177e4SLinus Torvalds help 8351da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8365e83d430SRalf Baechle byte order. These modes require different kernels and a different 8373cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8385e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8393dde6ad8SDavid Sterba one or the other endianness. 8405e83d430SRalf Baechle 8415e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8425e83d430SRalf Baechle bool "Big endian" 8435e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8445e83d430SRalf Baechle 8455e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8465e83d430SRalf Baechle bool "Little endian" 8475e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8485e83d430SRalf Baechle help 8495e83d430SRalf Baechle 8505e83d430SRalf Baechleendchoice 8515e83d430SRalf Baechle 8522116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8532116245eSRalf Baechle bool 8542116245eSRalf Baechle 8555e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8565e83d430SRalf Baechle bool 8575e83d430SRalf Baechle 8585e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8595e83d430SRalf Baechle bool 8601da177e4SLinus Torvalds 8611da177e4SLinus Torvaldsconfig IRQ_CPU 8621da177e4SLinus Torvalds bool 8631da177e4SLinus Torvalds 8641da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8651da177e4SLinus Torvalds bool 8661da177e4SLinus Torvalds 8675e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8685e83d430SRalf Baechle bool 8695e83d430SRalf Baechle 8709267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8719267a30dSMarc St-Jean bool 8729267a30dSMarc St-Jean 8739267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8749267a30dSMarc St-Jean bool 8759267a30dSMarc St-Jean 8768420fd00SAtsushi Nemotoconfig IRQ_TXX9 8778420fd00SAtsushi Nemoto bool 8788420fd00SAtsushi Nemoto 879d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 880d5ab1a69SYoichi Yuasa bool 881d5ab1a69SYoichi Yuasa 88239b8d525SRalf Baechleconfig IRQ_GIC 88339b8d525SRalf Baechle bool 88439b8d525SRalf Baechle 885a86c7f72SDavid Daneyconfig IRQ_CPU_OCTEON 886a86c7f72SDavid Daney bool 887a86c7f72SDavid Daney 8881da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8891da177e4SLinus Torvalds bool 8901da177e4SLinus Torvalds 891252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8921da177e4SLinus Torvalds bool 8931da177e4SLinus Torvalds 8949267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8959267a30dSMarc St-Jean bool 8969267a30dSMarc St-Jean 897663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 898663c3d90Sthomas@koeller.dyndns.org bool 899663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 900663c3d90Sthomas@koeller.dyndns.org 901edb6310aSDaniel Lairdconfig SOC_PNX833X 902edb6310aSDaniel Laird bool 903edb6310aSDaniel Laird select CEVT_R4K 904edb6310aSDaniel Laird select CSRC_R4K 905edb6310aSDaniel Laird select IRQ_CPU 906edb6310aSDaniel Laird select DMA_NONCOHERENT 907edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 908edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 909edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 910edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 911edb6310aSDaniel Laird select GENERIC_HARDIRQS_NO__DO_IRQ 912edb6310aSDaniel Laird select GENERIC_GPIO 913edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 914edb6310aSDaniel Laird 915edb6310aSDaniel Lairdconfig SOC_PNX8335 916edb6310aSDaniel Laird bool 917edb6310aSDaniel Laird select SOC_PNX833X 918edb6310aSDaniel Laird 919bdf21b18SPete Popovconfig PNX8550 920bdf21b18SPete Popov bool 921bdf21b18SPete Popov select SOC_PNX8550 922bdf21b18SPete Popov 923bdf21b18SPete Popovconfig SOC_PNX8550 924bdf21b18SPete Popov bool 925bdf21b18SPete Popov select DMA_NONCOHERENT 926bdf21b18SPete Popov select HW_HAS_PCI 927b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 92836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9297cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 930e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 9314ead1681SFlorian Fainelli select GENERIC_GPIO 932bdf21b18SPete Popov 9331da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9341da177e4SLinus Torvalds bool 9351da177e4SLinus Torvalds 936355c471fSdmitry pervushinconfig EMMA2RH 937355c471fSdmitry pervushin bool 938355c471fSdmitry pervushin depends on MARKEINS 939355c471fSdmitry pervushin default y 940355c471fSdmitry pervushin 941663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 942663c3d90Sthomas@koeller.dyndns.org bool 943663c3d90Sthomas@koeller.dyndns.org 944e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 945e2defae5SThomas Bogendoerfer bool 946e2defae5SThomas Bogendoerfer 9475b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 9485b438c44SThomas Bogendoerfer bool 9495b438c44SThomas Bogendoerfer 950e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 951e2defae5SThomas Bogendoerfer bool 952e2defae5SThomas Bogendoerfer 953e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 954e2defae5SThomas Bogendoerfer bool 955e2defae5SThomas Bogendoerfer 956e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 957e2defae5SThomas Bogendoerfer bool 958e2defae5SThomas Bogendoerfer 959e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 960e2defae5SThomas Bogendoerfer bool 961e2defae5SThomas Bogendoerfer 962e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 963e2defae5SThomas Bogendoerfer bool 964e2defae5SThomas Bogendoerfer 9655e83d430SRalf Baechleconfig ARC32 9665e83d430SRalf Baechle bool 9675e83d430SRalf Baechle 968231a35d3SThomas Bogendoerferconfig SNIPROM 969231a35d3SThomas Bogendoerfer bool 970231a35d3SThomas Bogendoerfer 9711da177e4SLinus Torvaldsconfig BOOT_ELF32 9721da177e4SLinus Torvalds bool 9731da177e4SLinus Torvalds 9741da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9751da177e4SLinus Torvalds int 97673b4390fSRalf Baechle default "4" if MACH_DECSTATION || MIKROTIK_RB532 977a86c7f72SDavid Daney default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 9789267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9791da177e4SLinus Torvalds default "5" 9801da177e4SLinus Torvalds 9811da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9821da177e4SLinus Torvalds bool 9831da177e4SLinus Torvalds 9841da177e4SLinus Torvaldsconfig ARC_CONSOLE 9851da177e4SLinus Torvalds bool "ARC console support" 986e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 9871da177e4SLinus Torvalds 9881da177e4SLinus Torvaldsconfig ARC_MEMORY 9891da177e4SLinus Torvalds bool 99014b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 9911da177e4SLinus Torvalds default y 9921da177e4SLinus Torvalds 9931da177e4SLinus Torvaldsconfig ARC_PROMLIB 9941da177e4SLinus Torvalds bool 995e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 9961da177e4SLinus Torvalds default y 9971da177e4SLinus Torvalds 9981da177e4SLinus Torvaldsconfig ARC64 9991da177e4SLinus Torvalds bool 10001da177e4SLinus Torvalds 10011da177e4SLinus Torvaldsconfig BOOT_ELF64 10021da177e4SLinus Torvalds bool 10031da177e4SLinus Torvalds 10041da177e4SLinus Torvaldsmenu "CPU selection" 10051da177e4SLinus Torvalds 10061da177e4SLinus Torvaldschoice 10071da177e4SLinus Torvalds prompt "CPU type" 10081da177e4SLinus Torvalds default CPU_R4X00 10091da177e4SLinus Torvalds 10102a21c730SFuxin Zhangconfig CPU_LOONGSON2 10112a21c730SFuxin Zhang bool "Loongson 2" 10122a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10132a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10142a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10152a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10162a21c730SFuxin Zhang help 10172a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10182a21c730SFuxin Zhang with many extensions. 10192a21c730SFuxin Zhang 10206e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10216e760c8dSRalf Baechle bool "MIPS32 Release 1" 10227cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1023f7062ddbSRalf Baechle select CPU_HAS_LLSC 10246e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1025797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1026ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10276e760c8dSRalf Baechle help 10285e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10291e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10301e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10311e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10321e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10331e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10341e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10351e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10361e5f1caaSRalf Baechle performance. 10371e5f1caaSRalf Baechle 10381e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10391e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10407cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1041f7062ddbSRalf Baechle select CPU_HAS_LLSC 10421e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1043797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1044ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10451e5f1caaSRalf Baechle help 10465e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10476e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10486e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10496e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10506e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10511da177e4SLinus Torvalds 10526e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10536e760c8dSRalf Baechle bool "MIPS64 Release 1" 10547cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1055f7062ddbSRalf Baechle select CPU_HAS_LLSC 1056797798c1SRalf Baechle select CPU_HAS_PREFETCH 1057ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1058ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1059ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10606e760c8dSRalf Baechle help 10616e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10626e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10636e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10646e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10656e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10661e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10671e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10681e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10691e5f1caaSRalf Baechle performance. 10701e5f1caaSRalf Baechle 10711e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10721e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10737cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1074f7062ddbSRalf Baechle select CPU_HAS_LLSC 1075797798c1SRalf Baechle select CPU_HAS_PREFETCH 10761e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10771e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1078ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10791e5f1caaSRalf Baechle help 10801e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10811e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10821e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10831e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10841e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10851da177e4SLinus Torvalds 10861da177e4SLinus Torvaldsconfig CPU_R3000 10871da177e4SLinus Torvalds bool "R3000" 10887cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1089f7062ddbSRalf Baechle select CPU_HAS_WB 1090ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1091797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10921da177e4SLinus Torvalds help 10931da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 10941da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 10951da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 10961da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 10971da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 10981da177e4SLinus Torvalds try to recompile with R3000. 10991da177e4SLinus Torvalds 11001da177e4SLinus Torvaldsconfig CPU_TX39XX 11011da177e4SLinus Torvalds bool "R39XX" 11027cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1103ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11041da177e4SLinus Torvalds 11051da177e4SLinus Torvaldsconfig CPU_VR41XX 11061da177e4SLinus Torvalds bool "R41xx" 11077cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1108ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1109ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11101da177e4SLinus Torvalds help 11115e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11121da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11131da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11141da177e4SLinus Torvalds processor or vice versa. 11151da177e4SLinus Torvalds 11161da177e4SLinus Torvaldsconfig CPU_R4300 11171da177e4SLinus Torvalds bool "R4300" 11187cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1119f7062ddbSRalf Baechle select CPU_HAS_LLSC 1120ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1121ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11221da177e4SLinus Torvalds help 11231da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11241da177e4SLinus Torvalds 11251da177e4SLinus Torvaldsconfig CPU_R4X00 11261da177e4SLinus Torvalds bool "R4x00" 11277cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1128f7062ddbSRalf Baechle select CPU_HAS_LLSC 1129ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1130ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11311da177e4SLinus Torvalds help 11321da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11331da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11341da177e4SLinus Torvalds 11351da177e4SLinus Torvaldsconfig CPU_TX49XX 11361da177e4SLinus Torvalds bool "R49XX" 11377cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1138f7062ddbSRalf Baechle select CPU_HAS_LLSC 1139de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1140ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1141ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11421da177e4SLinus Torvalds 11431da177e4SLinus Torvaldsconfig CPU_R5000 11441da177e4SLinus Torvalds bool "R5000" 11457cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1146f7062ddbSRalf Baechle select CPU_HAS_LLSC 1147ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1148ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11491da177e4SLinus Torvalds help 11501da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11511da177e4SLinus Torvalds 11521da177e4SLinus Torvaldsconfig CPU_R5432 11531da177e4SLinus Torvalds bool "R5432" 11547cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1155f7062ddbSRalf Baechle select CPU_HAS_LLSC 11565e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11575e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11581da177e4SLinus Torvalds 1159542c1020SShinya Kuribayashiconfig CPU_R5500 1160542c1020SShinya Kuribayashi bool "R5500" 1161542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1162542c1020SShinya Kuribayashi select CPU_HAS_LLSC 1163542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1164542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 1165542c1020SShinya Kuribayashi help 1166542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1167542c1020SShinya Kuribayashi instruction set. 1168542c1020SShinya Kuribayashi 11691da177e4SLinus Torvaldsconfig CPU_R6000 11701da177e4SLinus Torvalds bool "R6000" 1171ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1172f7062ddbSRalf Baechle select CPU_HAS_LLSC 11737cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1174ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11751da177e4SLinus Torvalds help 11761da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1177c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11781da177e4SLinus Torvalds 11791da177e4SLinus Torvaldsconfig CPU_NEVADA 11801da177e4SLinus Torvalds bool "RM52xx" 11817cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1182f7062ddbSRalf Baechle select CPU_HAS_LLSC 1183ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1184ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11851da177e4SLinus Torvalds help 11861da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11871da177e4SLinus Torvalds 11881da177e4SLinus Torvaldsconfig CPU_R8000 11891da177e4SLinus Torvalds bool "R8000" 1190ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11917cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1192f7062ddbSRalf Baechle select CPU_HAS_LLSC 11935e83d430SRalf Baechle select CPU_HAS_PREFETCH 1194ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11951da177e4SLinus Torvalds help 11961da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 11971da177e4SLinus Torvalds uncommon and the support for them is incomplete. 11981da177e4SLinus Torvalds 11991da177e4SLinus Torvaldsconfig CPU_R10000 12001da177e4SLinus Torvalds bool "R10000" 12017cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1202f7062ddbSRalf Baechle select CPU_HAS_LLSC 12035e83d430SRalf Baechle select CPU_HAS_PREFETCH 1204ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1205ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1206797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12071da177e4SLinus Torvalds help 12081da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12091da177e4SLinus Torvalds 12101da177e4SLinus Torvaldsconfig CPU_RM7000 12111da177e4SLinus Torvalds bool "RM7000" 12127cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1213f7062ddbSRalf Baechle select CPU_HAS_LLSC 12145e83d430SRalf Baechle select CPU_HAS_PREFETCH 1215ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1216ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1217797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12181da177e4SLinus Torvalds 12191da177e4SLinus Torvaldsconfig CPU_RM9000 12201da177e4SLinus Torvalds bool "RM9000" 12217cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1222f7062ddbSRalf Baechle select CPU_HAS_LLSC 12235e83d430SRalf Baechle select CPU_HAS_PREFETCH 1224ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1225ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1226797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12270004a9dfSRalf Baechle select WEAK_ORDERING 12281da177e4SLinus Torvalds 12291da177e4SLinus Torvaldsconfig CPU_SB1 12301da177e4SLinus Torvalds bool "SB1" 12317cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1232f7062ddbSRalf Baechle select CPU_HAS_LLSC 1233ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1234ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1235797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12360004a9dfSRalf Baechle select WEAK_ORDERING 12371da177e4SLinus Torvalds 1238a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1239a86c7f72SDavid Daney bool "Cavium Octeon processor" 1240a86c7f72SDavid Daney select IRQ_CPU 1241a86c7f72SDavid Daney select IRQ_CPU_OCTEON 1242a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1243a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1244a86c7f72SDavid Daney select SYS_SUPPORTS_SMP 1245a86c7f72SDavid Daney select NR_CPUS_DEFAULT_16 1246a86c7f72SDavid Daney select WEAK_ORDERING 1247a86c7f72SDavid Daney select WEAK_REORDERING_BEYOND_LLSC 1248a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 1249a86c7f72SDavid Daney help 1250a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1251a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1252a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1253a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1254a86c7f72SDavid Daney 12551da177e4SLinus Torvaldsendchoice 12561da177e4SLinus Torvalds 12572a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12582a21c730SFuxin Zhang bool 12592a21c730SFuxin Zhang 12607cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12617cf8053bSRalf Baechle bool 12627cf8053bSRalf Baechle 12637cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12647cf8053bSRalf Baechle bool 12657cf8053bSRalf Baechle 12667cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12677cf8053bSRalf Baechle bool 12687cf8053bSRalf Baechle 12697cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12707cf8053bSRalf Baechle bool 12717cf8053bSRalf Baechle 12727cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12737cf8053bSRalf Baechle bool 12747cf8053bSRalf Baechle 12757cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12767cf8053bSRalf Baechle bool 12777cf8053bSRalf Baechle 12787cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12797cf8053bSRalf Baechle bool 12807cf8053bSRalf Baechle 12817cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12827cf8053bSRalf Baechle bool 12837cf8053bSRalf Baechle 12847cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12857cf8053bSRalf Baechle bool 12867cf8053bSRalf Baechle 12877cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12887cf8053bSRalf Baechle bool 12897cf8053bSRalf Baechle 12907cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12917cf8053bSRalf Baechle bool 12927cf8053bSRalf Baechle 12937cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12947cf8053bSRalf Baechle bool 12957cf8053bSRalf Baechle 1296542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1297542c1020SShinya Kuribayashi bool 1298542c1020SShinya Kuribayashi 12997cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 13007cf8053bSRalf Baechle bool 13017cf8053bSRalf Baechle 13027cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 13037cf8053bSRalf Baechle bool 13047cf8053bSRalf Baechle 13057cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 13067cf8053bSRalf Baechle bool 13077cf8053bSRalf Baechle 13087cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 13097cf8053bSRalf Baechle bool 13107cf8053bSRalf Baechle 13117cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13127cf8053bSRalf Baechle bool 13137cf8053bSRalf Baechle 13147cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13157cf8053bSRalf Baechle bool 13167cf8053bSRalf Baechle 13177cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13187cf8053bSRalf Baechle bool 13197cf8053bSRalf Baechle 132017099b11SRalf Baechle# 132117099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 132217099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 132317099b11SRalf Baechle# 13240004a9dfSRalf Baechleconfig WEAK_ORDERING 13250004a9dfSRalf Baechle bool 132617099b11SRalf Baechle 132717099b11SRalf Baechle# 132817099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 132917099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 133017099b11SRalf Baechle# 133117099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 133217099b11SRalf Baechle bool 13335e83d430SRalf Baechleendmenu 13345e83d430SRalf Baechle 13355e83d430SRalf Baechle# 13365e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13375e83d430SRalf Baechle# 13385e83d430SRalf Baechleconfig CPU_MIPS32 13395e83d430SRalf Baechle bool 13405e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13415e83d430SRalf Baechle 13425e83d430SRalf Baechleconfig CPU_MIPS64 13435e83d430SRalf Baechle bool 13445e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13455e83d430SRalf Baechle 13465e83d430SRalf Baechle# 1347c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13485e83d430SRalf Baechle# 13495e83d430SRalf Baechleconfig CPU_MIPSR1 13505e83d430SRalf Baechle bool 13515e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13525e83d430SRalf Baechle 13535e83d430SRalf Baechleconfig CPU_MIPSR2 13545e83d430SRalf Baechle bool 1355a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 13565e83d430SRalf Baechle 13575e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13585e83d430SRalf Baechle bool 13595e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13605e83d430SRalf Baechle bool 13615e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13625e83d430SRalf Baechle bool 13635e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13645e83d430SRalf Baechle bool 13655e83d430SRalf Baechle 13668192c9eaSDavid Daney# 13678192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 13688192c9eaSDavid Daney# 13698192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 13708192c9eaSDavid Daney bool 13718192c9eaSDavid Daney default y if CPU_MIPS32 || CPU_MIPS64 13728192c9eaSDavid Daney 13735e83d430SRalf Baechlemenu "Kernel type" 13745e83d430SRalf Baechle 13755e83d430SRalf Baechlechoice 13765e83d430SRalf Baechle 13775e83d430SRalf Baechle prompt "Kernel code model" 13785e83d430SRalf Baechle help 13795e83d430SRalf Baechle You should only select this option if you have a workload that 13805e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13815e83d430SRalf Baechle large memory. You will only be presented a single option in this 13825e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13835e83d430SRalf Baechle 13845e83d430SRalf Baechleconfig 32BIT 13855e83d430SRalf Baechle bool "32-bit kernel" 13865e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13875e83d430SRalf Baechle select TRAD_SIGNALS 13885e83d430SRalf Baechle help 13895e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13905e83d430SRalf Baechleconfig 64BIT 13915e83d430SRalf Baechle bool "64-bit kernel" 13925e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13935e83d430SRalf Baechle help 13945e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13955e83d430SRalf Baechle 13965e83d430SRalf Baechleendchoice 13975e83d430SRalf Baechle 13981da177e4SLinus Torvaldschoice 13991da177e4SLinus Torvalds prompt "Kernel page size" 14001da177e4SLinus Torvalds default PAGE_SIZE_4KB 14011da177e4SLinus Torvalds 14021da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 14031da177e4SLinus Torvalds bool "4kB" 14041da177e4SLinus Torvalds help 14051da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 14061da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 14071da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 14081da177e4SLinus Torvalds recommended for low memory systems. 14091da177e4SLinus Torvalds 14101da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 14111da177e4SLinus Torvalds bool "8kB" 14121da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 14131da177e4SLinus Torvalds help 14141da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 14151da177e4SLinus Torvalds the price of higher memory consumption. This option is available 14161da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 14171da177e4SLinus Torvalds this option is still high experimental; there are also issues with 14181da177e4SLinus Torvalds compatibility of user applications. 14191da177e4SLinus Torvalds 14201da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14211da177e4SLinus Torvalds bool "16kB" 1422714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14231da177e4SLinus Torvalds help 14241da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14251da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1426714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1427714bfad6SRalf Baechle Linux distribution to support this. 14281da177e4SLinus Torvalds 14291da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14301da177e4SLinus Torvalds bool "64kB" 14311da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14321da177e4SLinus Torvalds help 14331da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14341da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14351da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1436714bfad6SRalf Baechle writing this option is still high experimental. 14371da177e4SLinus Torvalds 14381da177e4SLinus Torvaldsendchoice 14391da177e4SLinus Torvalds 14401da177e4SLinus Torvaldsconfig BOARD_SCACHE 14411da177e4SLinus Torvalds bool 14421da177e4SLinus Torvalds 14431da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14441da177e4SLinus Torvalds bool 14451da177e4SLinus Torvalds select BOARD_SCACHE 14461da177e4SLinus Torvalds 14479318c51aSChris Dearman# 14489318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14499318c51aSChris Dearman# 14509318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14519318c51aSChris Dearman bool 14529318c51aSChris Dearman select BOARD_SCACHE 14539318c51aSChris Dearman 14541da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14551da177e4SLinus Torvalds bool 14561da177e4SLinus Torvalds select BOARD_SCACHE 14571da177e4SLinus Torvalds 14581da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14591da177e4SLinus Torvalds bool 14601da177e4SLinus Torvalds select BOARD_SCACHE 14611da177e4SLinus Torvalds 14621da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14631da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14641da177e4SLinus Torvalds depends on CPU_SB1 14651da177e4SLinus Torvalds help 14661da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14671da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14681da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14691da177e4SLinus Torvalds 14701da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1471c8094b53SRalf Baechle bool 14721da177e4SLinus Torvalds 1473340ee4b9SRalf Baechlechoice 1474340ee4b9SRalf Baechle prompt "MIPS MT options" 1475f41ae0b2SRalf Baechle 1476f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1477f41ae0b2SRalf Baechle bool "Disable multithreading support." 1478f41ae0b2SRalf Baechle help 1479f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1480f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1481f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1482f41ae0b2SRalf Baechle option in this menu. 1483340ee4b9SRalf Baechle 148459d6ab86SRalf Baechleconfig MIPS_MT_SMP 148559d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 148659d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 148759d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1488d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 148959d6ab86SRalf Baechle select MIPS_MT 1490f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 149159d6ab86SRalf Baechle select SMP 14920ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 149359d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 149487353d8aSRalf Baechle select SMP_UP 149559d6ab86SRalf Baechle help 149659d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 149759d6ab86SRalf Baechle has been marketesed into SMVP. 149859d6ab86SRalf Baechle 149941c594abSRalf Baechleconfig MIPS_MT_SMTC 150041c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1501f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1502f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1503f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1504f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1505d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1506f41ae0b2SRalf Baechle select MIPS_MT 1507130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 150841c594abSRalf Baechle select SMP 150973b76c78SRalf Baechle select SYS_SUPPORTS_SMP 151087353d8aSRalf Baechle select SMP_UP 1511f41ae0b2SRalf Baechle help 1512f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1513f41ae0b2SRalf Baechle marketesed into SMVP. 151441c594abSRalf Baechle 1515340ee4b9SRalf Baechleendchoice 1516340ee4b9SRalf Baechle 1517f41ae0b2SRalf Baechleconfig MIPS_MT 1518f41ae0b2SRalf Baechle bool 1519f41ae0b2SRalf Baechle 15200ab7aefcSRalf Baechleconfig SCHED_SMT 15210ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15220ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15230ab7aefcSRalf Baechle default n 15240ab7aefcSRalf Baechle help 15250ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15260ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15270ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15280ab7aefcSRalf Baechle 15290ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15300ab7aefcSRalf Baechle bool 15310ab7aefcSRalf Baechle 15320ab7aefcSRalf Baechle 1533f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1534f41ae0b2SRalf Baechle bool 1535f41ae0b2SRalf Baechle 1536f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1537f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1538f088fc84SRalf Baechle default y 153907cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 154007cc0c9eSRalf Baechle 154107cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 154207cc0c9eSRalf Baechle bool "VPE loader support." 154307cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 154407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 154507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 154607cc0c9eSRalf Baechle select MIPS_MT 154707cc0c9eSRalf Baechle help 154807cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 154907cc0c9eSRalf Baechle onto another VPE and running it. 1550f088fc84SRalf Baechle 15510db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15520db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15530db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15548531a35eSKevin D. Kissell default n 15550db34215SKevin D. Kissell help 15560db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15570db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15580db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15590db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15600db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15618531a35eSKevin D. Kissell impact on interrupt service overhead. 15620db34215SKevin D. Kissell 1563f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1564f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1565f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1566f571eff0SKevin D. Kissell default n 1567f571eff0SKevin D. Kissell help 1568f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1569f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1570f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 15718531a35eSKevin D. Kissell platform code. Adds some overhead to interrupt dispatch, and 15728531a35eSKevin D. Kissell should be used only if you know what you are doing. 1573f571eff0SKevin D. Kissell 1574e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1575e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1576e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1577e01402b1SRalf Baechle default y 1578e01402b1SRalf Baechle help 1579e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1580e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1581e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1582e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1583e01402b1SRalf Baechle 1584e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1585e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1586e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1587e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 15885e83d430SRalf Baechle help 1589e01402b1SRalf Baechle 15902600990eSRalf Baechleconfig MIPS_APSP_KSPD 15912600990eSRalf Baechle bool "Enable KSPD" 15922600990eSRalf Baechle depends on MIPS_VPE_APSP_API 15932600990eSRalf Baechle default y 15942600990eSRalf Baechle help 15952600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 15962600990eSRalf Baechle side, actions them and returns the results. It also handles the 15972600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 15982600990eSRalf Baechle exiting. You probably want to say yes here. 15992600990eSRalf Baechle 16004a16ff4cSRalf Baechleconfig MIPS_CMP 16014a16ff4cSRalf Baechle bool "MIPS CMP framework support" 16024a16ff4cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 16034a16ff4cSRalf Baechle select SYNC_R4K if BROKEN 16044a16ff4cSRalf Baechle select SYS_SUPPORTS_SMP 16054a16ff4cSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 16064a16ff4cSRalf Baechle select WEAK_ORDERING 16074a16ff4cSRalf Baechle default n 16084a16ff4cSRalf Baechle help 16094a16ff4cSRalf Baechle This is a placeholder option for the GCMP work. It will need to 16104a16ff4cSRalf Baechle be handled differently... 16114a16ff4cSRalf Baechle 16121da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16131da177e4SLinus Torvalds bool 16141da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16151da177e4SLinus Torvalds default y 16161da177e4SLinus Torvalds 16171da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16181da177e4SLinus Torvalds bool 16191da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16201da177e4SLinus Torvalds default y 16211da177e4SLinus Torvalds 16221da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16231da177e4SLinus Torvalds bool 16241da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16251da177e4SLinus Torvalds default y 16261da177e4SLinus Torvalds 16271da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1628d806cb2bSRalf Baechle bool 16291da177e4SLinus Torvalds 16301da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1631f7062ddbSRalf Baechle bool 16321da177e4SLinus Torvalds 16339693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16349693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16359693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16369693a853SFranck Bui-Huu help 16379693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16389693a853SFranck Bui-Huu increased security at both hardware and software level for 16399693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16409693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16419693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16429693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16439693a853SFranck Bui-Huu here. 16449693a853SFranck Bui-Huu 16451da177e4SLinus Torvaldsconfig CPU_HAS_WB 1646f7062ddbSRalf Baechle bool 1647e01402b1SRalf Baechle 1648f41ae0b2SRalf Baechle# 1649f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1650f41ae0b2SRalf Baechle# 1651e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1652f41ae0b2SRalf Baechle bool 1653e01402b1SRalf Baechle 1654f41ae0b2SRalf Baechle# 1655f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1656f41ae0b2SRalf Baechle# 1657e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1658f41ae0b2SRalf Baechle bool 1659e01402b1SRalf Baechle 16601da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16611da177e4SLinus Torvalds bool 16621da177e4SLinus Torvalds depends on !CPU_R3000 16631da177e4SLinus Torvalds default y 16641da177e4SLinus Torvalds 1665ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1666ea580401SRalf Baechle bool 1667ea580401SRalf Baechle 16681da177e4SLinus Torvalds# 166920d60d99SMaciej W. Rozycki# CPU non-features 167020d60d99SMaciej W. Rozycki# 167120d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 167220d60d99SMaciej W. Rozycki bool 167320d60d99SMaciej W. Rozycki 167420d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 167520d60d99SMaciej W. Rozycki bool 167620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 167720d60d99SMaciej W. Rozycki 167820d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 167920d60d99SMaciej W. Rozycki bool 168020d60d99SMaciej W. Rozycki 168120d60d99SMaciej W. Rozycki# 1682797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1683797798c1SRalf Baechle# 1684797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1685797798c1SRalf Baechle bool 1686797798c1SRalf Baechle default y 1687797798c1SRalf Baechle 1688797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1689797798c1SRalf Baechle bool 1690797798c1SRalf Baechle default y 1691797798c1SRalf Baechle 16920d7012a9SIngo Molnarconfig IRQ_PER_CPU 16930d7012a9SIngo Molnar bool 16940d7012a9SIngo Molnar 1695797798c1SRalf Baechle# 16961da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 16971da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 16981da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 16991da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 17001da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 17011da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 17021da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 17031da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1704797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1705797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1706797798c1SRalf Baechle# support. 17071da177e4SLinus Torvalds# 17081da177e4SLinus Torvaldsconfig HIGHMEM 17091da177e4SLinus Torvalds bool "High Memory Support" 1710797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1711797798c1SRalf Baechle 1712797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1713797798c1SRalf Baechle bool 1714797798c1SRalf Baechle 1715797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1716797798c1SRalf Baechle bool 17171da177e4SLinus Torvalds 17189693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17199693a853SFranck Bui-Huu bool 17209693a853SFranck Bui-Huu 1721b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1722b4819b59SYoichi Yuasa def_bool y 1723b4819b59SYoichi Yuasa depends on !NUMA 1724b4819b59SYoichi Yuasa 1725d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1726d8cb4e11SRalf Baechle bool 1727d8cb4e11SRalf Baechle default y if SGI_IP27 1728d8cb4e11SRalf Baechle help 17293dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1730d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1731d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1732d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1733d8cb4e11SRalf Baechle 1734cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1735cce335aeSRalf Baechle def_bool y 1736cce335aeSRalf Baechle 1737b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1738b1c6cd42SAtsushi Nemoto bool 17397de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 174031473747SAtsushi Nemoto 1741d8cb4e11SRalf Baechleconfig NUMA 1742d8cb4e11SRalf Baechle bool "NUMA Support" 1743d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1744d8cb4e11SRalf Baechle help 1745d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1746d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1747d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1748d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1749d8cb4e11SRalf Baechle disabled. 1750d8cb4e11SRalf Baechle 1751d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1752d8cb4e11SRalf Baechle bool 1753d8cb4e11SRalf Baechle 1754c80d79d7SYasunori Gotoconfig NODES_SHIFT 1755c80d79d7SYasunori Goto int 1756c80d79d7SYasunori Goto default "6" 1757c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1758c80d79d7SYasunori Goto 1759b4819b59SYoichi Yuasasource "mm/Kconfig" 1760b4819b59SYoichi Yuasa 17611da177e4SLinus Torvaldsconfig SMP 17621da177e4SLinus Torvalds bool "Multi-Processing support" 1763e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1764b4b30a5aSRalf Baechle select IRQ_PER_CPU 17652f304c0aSJens Axboe select USE_GENERIC_SMP_HELPERS 1766e73ea273SRalf Baechle help 17671da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17681da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17691da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17701da177e4SLinus Torvalds 17711da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17721da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17731da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17741da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17751da177e4SLinus Torvalds will run faster if you say N here. 17761da177e4SLinus Torvalds 17771da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17781da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17791da177e4SLinus Torvalds 178003502faaSAdrian Bunk See also the SMP-HOWTO available at 178103502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 17821da177e4SLinus Torvalds 17831da177e4SLinus Torvalds If you don't know what to do here, say N. 17841da177e4SLinus Torvalds 178587353d8aSRalf Baechleconfig SMP_UP 178687353d8aSRalf Baechle bool 178787353d8aSRalf Baechle 17884a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 17894a16ff4cSRalf Baechle bool 17904a16ff4cSRalf 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 18510f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 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 19730011036bSAtsushi Nemotoconfig PROBE_INITRD_HEADER 19740011036bSAtsushi Nemoto bool "Probe initrd header created by addinitrd" 19750011036bSAtsushi Nemoto depends on BLK_DEV_INITRD 19760011036bSAtsushi Nemoto help 19770011036bSAtsushi Nemoto Probe initrd header at the last page of kernel image. 19780011036bSAtsushi Nemoto Say Y here if you are using arch/mips/boot/addinitrd.c to 19790011036bSAtsushi Nemoto add initrd or initramfs image to the kernel image. 19800011036bSAtsushi Nemoto Otherwise, say N. 19810011036bSAtsushi Nemoto 1982dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 1983dc52ddc0SMatt Helsley 19841da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19851da177e4SLinus Torvalds 19865e83d430SRalf Baechleconfig HW_HAS_EISA 19875e83d430SRalf Baechle bool 19881da177e4SLinus Torvaldsconfig HW_HAS_PCI 19891da177e4SLinus Torvalds bool 19901da177e4SLinus Torvalds 19911da177e4SLinus Torvaldsconfig PCI 19921da177e4SLinus Torvalds bool "Support for PCI controller" 19931da177e4SLinus Torvalds depends on HW_HAS_PCI 1994abb4ae46SRalf Baechle select PCI_DOMAINS 19951da177e4SLinus Torvalds help 19961da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 19971da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 19981da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 19991da177e4SLinus Torvalds say Y, otherwise N. 20001da177e4SLinus Torvalds 20011da177e4SLinus Torvaldsconfig PCI_DOMAINS 20021da177e4SLinus Torvalds bool 20031da177e4SLinus Torvalds 20041da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 20051da177e4SLinus Torvalds 20061da177e4SLinus Torvalds# 20071da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 20081da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 20091da177e4SLinus Torvalds# users to choose the right thing ... 20101da177e4SLinus Torvalds# 20111da177e4SLinus Torvaldsconfig ISA 20121da177e4SLinus Torvalds bool 20131da177e4SLinus Torvalds 20141da177e4SLinus Torvaldsconfig EISA 20151da177e4SLinus Torvalds bool "EISA support" 20165e83d430SRalf Baechle depends on HW_HAS_EISA 20171da177e4SLinus Torvalds select ISA 2018aa414dffSRalf Baechle select GENERIC_ISA_DMA 20191da177e4SLinus Torvalds ---help--- 20201da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20211da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20221da177e4SLinus Torvalds 20231da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20241da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20251da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20261da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20271da177e4SLinus Torvalds 20281da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20291da177e4SLinus Torvalds 20301da177e4SLinus Torvalds Otherwise, say N. 20311da177e4SLinus Torvalds 20321da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20331da177e4SLinus Torvalds 20341da177e4SLinus Torvaldsconfig TC 20351da177e4SLinus Torvalds bool "TURBOchannel support" 20361da177e4SLinus Torvalds depends on MACH_DECSTATION 20371da177e4SLinus Torvalds help 20381da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20391da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20401da177e4SLinus Torvalds is available at: 20411da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20421da177e4SLinus Torvalds 20431da177e4SLinus Torvalds#config ACCESSBUS 20441da177e4SLinus Torvalds# bool "Access.Bus support" 20451da177e4SLinus Torvalds# depends on TC 20461da177e4SLinus Torvalds 20471da177e4SLinus Torvaldsconfig MMU 20481da177e4SLinus Torvalds bool 20491da177e4SLinus Torvalds default y 20501da177e4SLinus Torvalds 2051d865bea4SRalf Baechleconfig I8253 2052d865bea4SRalf Baechle bool 2053d865bea4SRalf Baechle 2054cce335aeSRalf Baechleconfig ZONE_DMA32 2055cce335aeSRalf Baechle bool 2056cce335aeSRalf Baechle 20571da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20581da177e4SLinus Torvalds 20591da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20601da177e4SLinus Torvalds 20611da177e4SLinus Torvaldsendmenu 20621da177e4SLinus Torvalds 20631da177e4SLinus Torvaldsmenu "Executable file formats" 20641da177e4SLinus Torvalds 20651da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20661da177e4SLinus Torvalds 20671da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20681da177e4SLinus Torvalds bool 20691da177e4SLinus Torvalds 20701da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20711da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2072875d43e7SRalf Baechle depends on 64BIT 20731da177e4SLinus Torvalds help 20741da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20751da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20761da177e4SLinus Torvalds currently 32-bit you should say Y here. 20771da177e4SLinus Torvalds 20781da177e4SLinus Torvaldsconfig COMPAT 20791da177e4SLinus Torvalds bool 20801da177e4SLinus Torvalds depends on MIPS32_COMPAT 20811da177e4SLinus Torvalds default y 20821da177e4SLinus Torvalds 208305e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 208405e43966SAtsushi Nemoto bool 208505e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 208605e43966SAtsushi Nemoto default y 208705e43966SAtsushi Nemoto 20881da177e4SLinus Torvaldsconfig MIPS32_O32 20891da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20901da177e4SLinus Torvalds depends on MIPS32_COMPAT 20911da177e4SLinus Torvalds help 20921da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20931da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 20941da177e4SLinus Torvalds existing binaries are in this format. 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvalds If unsure, say Y. 20971da177e4SLinus Torvalds 20981da177e4SLinus Torvaldsconfig MIPS32_N32 20991da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 21001da177e4SLinus Torvalds depends on MIPS32_COMPAT 21011da177e4SLinus Torvalds help 21021da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 21031da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 21041da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 21051da177e4SLinus Torvalds cases. 21061da177e4SLinus Torvalds 21071da177e4SLinus Torvalds If unsure, say N. 21081da177e4SLinus Torvalds 21091da177e4SLinus Torvaldsconfig BINFMT_ELF32 21101da177e4SLinus Torvalds bool 21111da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 21121da177e4SLinus Torvalds 21132116245eSRalf Baechleendmenu 21141da177e4SLinus Torvalds 21152116245eSRalf Baechlemenu "Power management options" 2116952fa954SRodolfo Giometti 2117f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2118f4cb5700SJohannes Berg def_bool y 2119f4cb5700SJohannes Berg depends on !SMP 2120f4cb5700SJohannes Berg 21212116245eSRalf Baechlesource "kernel/power/Kconfig" 2122952fa954SRodolfo Giometti 21231da177e4SLinus Torvaldsendmenu 21241da177e4SLinus Torvalds 2125d5950b43SSam Ravnborgsource "net/Kconfig" 2126d5950b43SSam Ravnborg 21271da177e4SLinus Torvaldssource "drivers/Kconfig" 21281da177e4SLinus Torvalds 21291da177e4SLinus Torvaldssource "fs/Kconfig" 21301da177e4SLinus Torvalds 21311da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21321da177e4SLinus Torvalds 21331da177e4SLinus Torvaldssource "security/Kconfig" 21341da177e4SLinus Torvalds 21351da177e4SLinus Torvaldssource "crypto/Kconfig" 21361da177e4SLinus Torvalds 21371da177e4SLinus Torvaldssource "lib/Kconfig" 2138