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 75e25bfc92SYoichi Yuasa select PCI 767cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 770a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 78ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 790e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 805e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 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 1351da177e4SLinus Torvalds help 1365e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1375e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 138692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 1395e83d430SRalf Baechle Olivetti M700-10 workstations. 1405e83d430SRalf Baechle 1411f21d2bdSBrian Murphyconfig LASAT 1421f21d2bdSBrian Murphy bool "LASAT Networks platforms" 14342f77542SRalf Baechle select CEVT_R4K 144940f6b48SRalf Baechle select CSRC_R4K 1451f21d2bdSBrian Murphy select DMA_NONCOHERENT 1461f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1471f21d2bdSBrian Murphy select HW_HAS_PCI 148a5ccfe5cSRalf Baechle select IRQ_CPU 1491f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1501f21d2bdSBrian Murphy select MIPS_NILE4 1511f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1521f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1531f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1541f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1551f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1561f21d2bdSBrian Murphy 157ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 158ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 159ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 16042f77542SRalf Baechle select CEVT_R4K 161940f6b48SRalf Baechle select CSRC_R4K 162ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 163ade299d8SYoichi Yuasa select DMA_NONCOHERENT 164ade299d8SYoichi Yuasa select BOOT_ELF32 165ade299d8SYoichi Yuasa select BOARD_SCACHE 166ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 167ade299d8SYoichi Yuasa select HW_HAS_PCI 168ade299d8SYoichi Yuasa select I8259 169ade299d8SYoichi Yuasa select ISA 170ade299d8SYoichi Yuasa select IRQ_CPU 171ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 172ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 173ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 174ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 175ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 17623dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 177ade299d8SYoichi Yuasa select CPU_HAS_WB 178ade299d8SYoichi Yuasa help 179ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 180ade299d8SYoichi Yuasa an FPGA northbridge 181ade299d8SYoichi Yuasa 1821da177e4SLinus Torvaldsconfig MIPS_MALTA 1833fa986faSMartin Michlmayr bool "MIPS Malta board" 18461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1851da177e4SLinus Torvalds select BOOT_ELF32 186fa71c960SRalf Baechle select BOOT_RAW 18742f77542SRalf Baechle select CEVT_R4K 188940f6b48SRalf Baechle select CSRC_R4K 1891da177e4SLinus Torvalds select DMA_NONCOHERENT 1901da177e4SLinus Torvalds select GENERIC_ISA_DMA 191aa414dffSRalf Baechle select IRQ_CPU 19239b8d525SRalf Baechle select IRQ_GIC 1931da177e4SLinus Torvalds select HW_HAS_PCI 194d865bea4SRalf Baechle select I8253 1951da177e4SLinus Torvalds select I8259 1965e83d430SRalf Baechle select MIPS_BOARDS_GEN 1975e83d430SRalf Baechle select MIPS_BONITO64 1989318c51aSChris Dearman select MIPS_CPU_SCACHE 199252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2005e83d430SRalf Baechle select MIPS_MSC 2011da177e4SLinus Torvalds select SWAP_IO_SPACE 2027cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2037cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2047cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2057cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2067cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 20736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 208ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 209ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2105e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2115e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2124a16ff4cSRalf Baechle select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken 213f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2149693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2151da177e4SLinus Torvalds help 216f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2171da177e4SLinus Torvalds board. 2181da177e4SLinus Torvalds 219c78cbf49SRalf Baechleconfig MIPS_SIM 2203fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 22142f77542SRalf Baechle select CEVT_R4K 222940f6b48SRalf Baechle select CSRC_R4K 223c78cbf49SRalf Baechle select DMA_NONCOHERENT 22436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 225c78cbf49SRalf Baechle select IRQ_CPU 2269267a30dSMarc St-Jean select BOOT_RAW 2277cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2287cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 22936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 230c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 231c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 232f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 233c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 234c78cbf49SRalf Baechle help 235c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 236c78cbf49SRalf Baechle emulator. 237c78cbf49SRalf Baechle 238a83860c2SRalf Baechleconfig NEC_MARKEINS 239a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 240a83860c2SRalf Baechle select SOC_EMMA2RH 241a83860c2SRalf Baechle select HW_HAS_PCI 242a83860c2SRalf Baechle help 243a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 244ade299d8SYoichi Yuasa 2455e83d430SRalf Baechleconfig MACH_VR41XX 24674142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 24742f77542SRalf Baechle select CEVT_R4K 248940f6b48SRalf Baechle select CSRC_R4K 2497cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 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 354634286f1SRalf Baechle select DMA_COHERENT 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 3631da177e4SLinus Torvalds help 3641da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3651da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3661da177e4SLinus Torvalds here. 3671da177e4SLinus Torvalds 368e2defae5SThomas Bogendoerferconfig SGI_IP28 369e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 370e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 371e2defae5SThomas Bogendoerfer select ARC 372e2defae5SThomas Bogendoerfer select ARC64 373e2defae5SThomas Bogendoerfer select BOOT_ELF64 374e2defae5SThomas Bogendoerfer select CEVT_R4K 375e2defae5SThomas Bogendoerfer select CSRC_R4K 376e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 377e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 378e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 379e2defae5SThomas Bogendoerfer select IRQ_CPU 380e2defae5SThomas Bogendoerfer select HW_HAS_EISA 381e2defae5SThomas Bogendoerfer select I8253 382e2defae5SThomas Bogendoerfer select I8259 383e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 384e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 3855b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 386e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 387e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 388e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 389e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 390e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 391e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 392e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 393e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 394e2defae5SThomas Bogendoerfer help 395e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 396e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 397e2defae5SThomas Bogendoerfer 3981da177e4SLinus Torvaldsconfig SGI_IP32 399cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4001da177e4SLinus Torvalds select ARC 4011da177e4SLinus Torvalds select ARC32 4021da177e4SLinus Torvalds select BOOT_ELF32 40342f77542SRalf Baechle select CEVT_R4K 404940f6b48SRalf Baechle select CSRC_R4K 4051da177e4SLinus Torvalds select DMA_NONCOHERENT 4061da177e4SLinus Torvalds select HW_HAS_PCI 407dd67b155SRalf Baechle select IRQ_CPU 4081da177e4SLinus Torvalds select R5000_CPU_SCACHE 4091da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4107cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4117cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4127cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 413dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 414ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4155e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4161da177e4SLinus Torvalds help 4171da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4181da177e4SLinus Torvalds 419ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 420ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4215e83d430SRalf Baechle depends on EXPERIMENTAL 4225e83d430SRalf Baechle select BOOT_ELF32 4235e83d430SRalf Baechle select DMA_COHERENT 4245e83d430SRalf Baechle select SIBYTE_BCM1120 4255e83d430SRalf Baechle select SWAP_IO_SPACE 4267cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4275e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4285e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4295e83d430SRalf Baechle 430ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 431ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4325e83d430SRalf Baechle depends on EXPERIMENTAL 4335e83d430SRalf Baechle select BOOT_ELF32 4345e83d430SRalf Baechle select DMA_COHERENT 4355e83d430SRalf Baechle select SIBYTE_BCM1120 4365e83d430SRalf Baechle select SWAP_IO_SPACE 4377cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4385e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4405e83d430SRalf Baechle 4415e83d430SRalf Baechleconfig SIBYTE_CRHONE 4423fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4435e83d430SRalf Baechle depends on EXPERIMENTAL 4445e83d430SRalf Baechle select BOOT_ELF32 4455e83d430SRalf Baechle select DMA_COHERENT 4465e83d430SRalf Baechle select SIBYTE_BCM1125 4475e83d430SRalf Baechle select SWAP_IO_SPACE 4487cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4495e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4505e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4515e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4525e83d430SRalf Baechle 453ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 454ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 455ade299d8SYoichi Yuasa depends on EXPERIMENTAL 456ade299d8SYoichi Yuasa select BOOT_ELF32 457ade299d8SYoichi Yuasa select DMA_COHERENT 458ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 459ade299d8SYoichi Yuasa select SWAP_IO_SPACE 460ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 461ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 462ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 463ade299d8SYoichi Yuasa 464ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 465ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 466ade299d8SYoichi Yuasa select BOOT_ELF32 467ade299d8SYoichi Yuasa select DMA_COHERENT 468ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 469ade299d8SYoichi Yuasa select SIBYTE_SB1250 470ade299d8SYoichi Yuasa select SWAP_IO_SPACE 471ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 472ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 473ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 474ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 475cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 476ade299d8SYoichi Yuasa 477ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 478ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 479ade299d8SYoichi Yuasa depends on EXPERIMENTAL 480ade299d8SYoichi Yuasa select BOOT_ELF32 481ade299d8SYoichi Yuasa select DMA_COHERENT 482ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 483ade299d8SYoichi Yuasa select SIBYTE_SB1250 484ade299d8SYoichi Yuasa select SWAP_IO_SPACE 485ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 486ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 487ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 488ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 489ade299d8SYoichi Yuasa 490ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 491ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 492ade299d8SYoichi Yuasa depends on EXPERIMENTAL 493ade299d8SYoichi Yuasa select BOOT_ELF32 494ade299d8SYoichi Yuasa select DMA_COHERENT 495ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 496ade299d8SYoichi Yuasa select SIBYTE_SB1250 497ade299d8SYoichi Yuasa select SWAP_IO_SPACE 498ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 499ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 500ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 501ade299d8SYoichi Yuasa 502ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 503ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 504ade299d8SYoichi Yuasa select BOOT_ELF32 505ade299d8SYoichi Yuasa select DMA_COHERENT 506ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 507ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 508ade299d8SYoichi Yuasa select SWAP_IO_SPACE 509ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 510ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 511651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 512ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 513cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 514ade299d8SYoichi Yuasa 51514b36af4SThomas Bogendoerferconfig SNI_RM 51614b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5174a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5184a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 519231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5205e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5215e83d430SRalf Baechle select BOOT_ELF32 52242f77542SRalf Baechle select CEVT_R4K 523940f6b48SRalf Baechle select CSRC_R4K 524e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5255e83d430SRalf Baechle select DMA_NONCOHERENT 5265e83d430SRalf Baechle select GENERIC_ISA_DMA 5275e83d430SRalf Baechle select HW_HAS_EISA 5285e83d430SRalf Baechle select HW_HAS_PCI 529c066a32aSThomas Bogendoerfer select IRQ_CPU 530d865bea4SRalf Baechle select I8253 5315e83d430SRalf Baechle select I8259 5325e83d430SRalf Baechle select ISA 5334a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5347cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5354a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 536c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5374a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 53836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 539ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5405e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5414a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5425e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5441da177e4SLinus Torvalds help 54514b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 54614b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5475e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5485e83d430SRalf Baechle support this machine type. 5491da177e4SLinus Torvalds 550edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 551edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 5525e83d430SRalf Baechle 553edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 554edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 55523fbee9dSRalf Baechle 55673b4390fSRalf Baechleconfig MIKROTIK_RB532 55773b4390fSRalf Baechle bool "Mikrotik RB532 boards" 55873b4390fSRalf Baechle select CEVT_R4K 55973b4390fSRalf Baechle select CSRC_R4K 56073b4390fSRalf Baechle select DMA_NONCOHERENT 56173b4390fSRalf Baechle select HW_HAS_PCI 56273b4390fSRalf Baechle select IRQ_CPU 56373b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 56473b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 56573b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 56673b4390fSRalf Baechle select SWAP_IO_SPACE 56773b4390fSRalf Baechle select BOOT_RAW 568d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 56973b4390fSRalf Baechle help 57073b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 57173b4390fSRalf Baechle based on the IDT RC32434 SoC. 57273b4390fSRalf Baechle 573ade299d8SYoichi Yuasaconfig WR_PPMC 574ade299d8SYoichi Yuasa bool "Wind River PPMC board" 57542f77542SRalf Baechle select CEVT_R4K 576940f6b48SRalf Baechle select CSRC_R4K 577ade299d8SYoichi Yuasa select IRQ_CPU 578ade299d8SYoichi Yuasa select BOOT_ELF32 579ade299d8SYoichi Yuasa select DMA_NONCOHERENT 580ade299d8SYoichi Yuasa select HW_HAS_PCI 581ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 582ade299d8SYoichi Yuasa select SWAP_IO_SPACE 583ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 584ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 585ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 586ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 587ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 588ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 589ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 590ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 591ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 592ade299d8SYoichi Yuasa help 593ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 594ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 595ade299d8SYoichi Yuasa 596a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_SIMULATOR 597c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon Simulator" 598a86c7f72SDavid Daney select CEVT_R4K 599a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 600a86c7f72SDavid Daney select DMA_COHERENT 601a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 602a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 603a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 6045e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 605a86c7f72SDavid Daney help 606a86c7f72SDavid Daney The Octeon simulator is software performance model of the Cavium 607a86c7f72SDavid Daney Octeon Processor. It supports simulating Octeon processors on x86 608a86c7f72SDavid Daney hardware. 609a86c7f72SDavid Daney 610a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_REFERENCE_BOARD 611c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon reference board" 612a86c7f72SDavid Daney select CEVT_R4K 613a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 614a86c7f72SDavid Daney select DMA_COHERENT 615a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 616a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 617a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 618a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 6195e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 620a86c7f72SDavid Daney select SWAP_IO_SPACE 621e8635b48SDavid Daney select HW_HAS_PCI 622e8635b48SDavid Daney select ARCH_SUPPORTS_MSI 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" 6405e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6411f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6425e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 64329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 64438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 64522b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 6465e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 647a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 64838b18f72SRalf Baechle 6495e83d430SRalf Baechleendmenu 6505e83d430SRalf Baechle 6511da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6521da177e4SLinus Torvalds bool 6531da177e4SLinus Torvalds default y 6541da177e4SLinus Torvalds 6551da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6561da177e4SLinus Torvalds bool 6571da177e4SLinus Torvalds 658f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 659f0d1b0b3SDavid Howells bool 660f0d1b0b3SDavid Howells default n 661f0d1b0b3SDavid Howells 662f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 663f0d1b0b3SDavid Howells bool 664f0d1b0b3SDavid Howells default n 665f0d1b0b3SDavid Howells 66600a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 66700a58253SRalf Baechle bool 66800a58253SRalf Baechle default y if !MIPS_MT_SMTC 66900a58253SRalf Baechle 6703c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6713c9ee7efSAkinobu Mita bool 6723c9ee7efSAkinobu Mita default y 6733c9ee7efSAkinobu Mita 6743c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6753c9ee7efSAkinobu Mita bool 6763c9ee7efSAkinobu Mita default y 6773c9ee7efSAkinobu Mita 6781da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6791da177e4SLinus Torvalds bool 6801da177e4SLinus Torvalds default y 6811da177e4SLinus Torvalds 6827bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 6837bcf7717SRalf Baechle bool 6847bcf7717SRalf Baechle default y 6857bcf7717SRalf Baechle 6868db02010SRalf Baechleconfig GENERIC_TIME 6878db02010SRalf Baechle bool 6888db02010SRalf Baechle default y 6898db02010SRalf Baechle 690f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 691f5ff0a28SRalf Baechle bool 692f5ff0a28SRalf Baechle default y 693f5ff0a28SRalf Baechle 694ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 6951cc89038SAtsushi Nemoto bool 6961cc89038SAtsushi Nemoto default y 6971cc89038SAtsushi Nemoto 698e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 699c87e0909SRalf Baechle def_bool y 700e77c232cSFranck Bui-Huu 7011da177e4SLinus Torvalds# 7021da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7031da177e4SLinus Torvalds# 7041da177e4SLinus Torvaldsconfig ARC 7051da177e4SLinus Torvalds bool 7061da177e4SLinus Torvalds 70761ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 70861ed242dSRalf Baechle bool 70961ed242dSRalf Baechle 7109267a30dSMarc St-Jeanconfig BOOT_RAW 7119267a30dSMarc St-Jean bool 7129267a30dSMarc St-Jean 713217dd11eSRalf Baechleconfig CEVT_BCM1480 714217dd11eSRalf Baechle bool 715217dd11eSRalf Baechle 7166457d9fcSYoichi Yuasaconfig CEVT_DS1287 7176457d9fcSYoichi Yuasa bool 7186457d9fcSYoichi Yuasa 7191097c6acSYoichi Yuasaconfig CEVT_GT641XX 7201097c6acSYoichi Yuasa bool 7211097c6acSYoichi Yuasa 722779e7d41SManuel Laussconfig CEVT_R4K_LIB 723779e7d41SManuel Lauss bool 724779e7d41SManuel Lauss 72542f77542SRalf Baechleconfig CEVT_R4K 726779e7d41SManuel Lauss select CEVT_R4K_LIB 72742f77542SRalf Baechle bool 72842f77542SRalf Baechle 729217dd11eSRalf Baechleconfig CEVT_SB1250 730217dd11eSRalf Baechle bool 731217dd11eSRalf Baechle 732229f773eSAtsushi Nemotoconfig CEVT_TXX9 733229f773eSAtsushi Nemoto bool 734229f773eSAtsushi Nemoto 735217dd11eSRalf Baechleconfig CSRC_BCM1480 736217dd11eSRalf Baechle bool 737217dd11eSRalf Baechle 7384247417dSYoichi Yuasaconfig CSRC_IOASIC 7394247417dSYoichi Yuasa bool 7404247417dSYoichi Yuasa 741779e7d41SManuel Laussconfig CSRC_R4K_LIB 742779e7d41SManuel Lauss bool 743779e7d41SManuel Lauss 744940f6b48SRalf Baechleconfig CSRC_R4K 745779e7d41SManuel Lauss select CSRC_R4K_LIB 746940f6b48SRalf Baechle bool 747940f6b48SRalf Baechle 748217dd11eSRalf Baechleconfig CSRC_SB1250 749217dd11eSRalf Baechle bool 750217dd11eSRalf Baechle 751a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 752a9aec7feSAtsushi Nemoto select GENERIC_GPIO 7537444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 754a9aec7feSAtsushi Nemoto bool 755a9aec7feSAtsushi Nemoto 756df78b5c8SAurelien Jarnoconfig CFE 757df78b5c8SAurelien Jarno bool 758df78b5c8SAurelien Jarno 7591da177e4SLinus Torvaldsconfig DMA_COHERENT 7601da177e4SLinus Torvalds bool 7611da177e4SLinus Torvalds 7621da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7631da177e4SLinus Torvalds bool 7644ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7654ce588cdSRalf Baechle 7664ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7674ce588cdSRalf Baechle bool 7681da177e4SLinus Torvalds 7691da177e4SLinus Torvaldsconfig EARLY_PRINTK 77036a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 77136a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 77236a88530SRalf Baechle default y 77336a88530SRalf Baechle help 77436a88530SRalf Baechle This option enables special console drivers which allow the kernel 77536a88530SRalf Baechle to print messages very early in the bootup process. 77636a88530SRalf Baechle 77736a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 778490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 779490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 780490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 78136a88530SRalf Baechle unless you want to debug such a crash. 78236a88530SRalf Baechle 78336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7841da177e4SLinus Torvalds bool 7851da177e4SLinus Torvalds 786dbb74540SRalf Baechleconfig HOTPLUG_CPU 787dbb74540SRalf Baechle bool 788dbb74540SRalf Baechle default n 789dbb74540SRalf Baechle 7901da177e4SLinus Torvaldsconfig I8259 7911da177e4SLinus Torvalds bool 7921da177e4SLinus Torvalds 7931da177e4SLinus Torvaldsconfig MIPS_BONITO64 7941da177e4SLinus Torvalds bool 7951da177e4SLinus Torvalds 7961da177e4SLinus Torvaldsconfig MIPS_MSC 7971da177e4SLinus Torvalds bool 7981da177e4SLinus Torvalds 7991f21d2bdSBrian Murphyconfig MIPS_NILE4 8001f21d2bdSBrian Murphy bool 8011f21d2bdSBrian Murphy 8021da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8031da177e4SLinus Torvalds bool 8041da177e4SLinus Torvalds 80539b8d525SRalf Baechleconfig SYNC_R4K 80639b8d525SRalf Baechle bool 80739b8d525SRalf Baechle 808d388d685SMaciej W. Rozyckiconfig NO_IOPORT 809d388d685SMaciej W. Rozycki def_bool n 810d388d685SMaciej W. Rozycki 8118313da30SRalf Baechleconfig GENERIC_ISA_DMA 8128313da30SRalf Baechle bool 8138313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8148313da30SRalf Baechle 815aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 816aa414dffSRalf Baechle bool 8178313da30SRalf Baechle select GENERIC_ISA_DMA 818aa414dffSRalf Baechle 81909663335SYoichi Yuasaconfig GENERIC_GPIO 82009663335SYoichi Yuasa bool 82109663335SYoichi Yuasa 8225e83d430SRalf Baechle# 8233cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8245e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8255e83d430SRalf Baechle# choice statement should be more obvious to the user. 8265e83d430SRalf Baechle# 8275e83d430SRalf Baechlechoice 8285e83d430SRalf Baechle prompt "Endianess selection" 8291da177e4SLinus Torvalds help 8301da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8315e83d430SRalf Baechle byte order. These modes require different kernels and a different 8323cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8335e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8343dde6ad8SDavid Sterba one or the other endianness. 8355e83d430SRalf Baechle 8365e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8375e83d430SRalf Baechle bool "Big endian" 8385e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8395e83d430SRalf Baechle 8405e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8415e83d430SRalf Baechle bool "Little endian" 8425e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8435e83d430SRalf Baechle help 8445e83d430SRalf Baechle 8455e83d430SRalf Baechleendchoice 8465e83d430SRalf Baechle 8472116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8482116245eSRalf Baechle bool 8492116245eSRalf Baechle 8505e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8515e83d430SRalf Baechle bool 8525e83d430SRalf Baechle 8535e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8545e83d430SRalf Baechle bool 8551da177e4SLinus Torvalds 8569cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 8579cffd154SDavid Daney bool 8589cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 8599cffd154SDavid Daney default y 8609cffd154SDavid Daney 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 901a83860c2SRalf Baechleconfig SOC_EMMA2RH 902a83860c2SRalf Baechle bool 903a83860c2SRalf Baechle select CEVT_R4K 904a83860c2SRalf Baechle select CSRC_R4K 905a83860c2SRalf Baechle select DMA_NONCOHERENT 906a83860c2SRalf Baechle select IRQ_CPU 907a83860c2SRalf Baechle select SWAP_IO_SPACE 908a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 909a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 910a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 911a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 912a83860c2SRalf Baechle 913edb6310aSDaniel Lairdconfig SOC_PNX833X 914edb6310aSDaniel Laird bool 915edb6310aSDaniel Laird select CEVT_R4K 916edb6310aSDaniel Laird select CSRC_R4K 917edb6310aSDaniel Laird select IRQ_CPU 918edb6310aSDaniel Laird select DMA_NONCOHERENT 919edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 920edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 921edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 922edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 923edb6310aSDaniel Laird select GENERIC_GPIO 924edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 925edb6310aSDaniel Laird 926edb6310aSDaniel Lairdconfig SOC_PNX8335 927edb6310aSDaniel Laird bool 928edb6310aSDaniel Laird select SOC_PNX833X 929edb6310aSDaniel Laird 930bdf21b18SPete Popovconfig PNX8550 931bdf21b18SPete Popov bool 932bdf21b18SPete Popov select SOC_PNX8550 933bdf21b18SPete Popov 934bdf21b18SPete Popovconfig SOC_PNX8550 935bdf21b18SPete Popov bool 936bdf21b18SPete Popov select DMA_NONCOHERENT 937bdf21b18SPete Popov select HW_HAS_PCI 938b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 93936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9407cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 9414ead1681SFlorian Fainelli select GENERIC_GPIO 942bdf21b18SPete Popov 9431da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9441da177e4SLinus Torvalds bool 9451da177e4SLinus Torvalds 946663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 947663c3d90Sthomas@koeller.dyndns.org bool 948663c3d90Sthomas@koeller.dyndns.org 949e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 950e2defae5SThomas Bogendoerfer bool 951e2defae5SThomas Bogendoerfer 9525b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 9535b438c44SThomas Bogendoerfer bool 9545b438c44SThomas Bogendoerfer 955e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 956e2defae5SThomas Bogendoerfer bool 957e2defae5SThomas Bogendoerfer 958e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 959e2defae5SThomas Bogendoerfer bool 960e2defae5SThomas Bogendoerfer 961e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 962e2defae5SThomas Bogendoerfer bool 963e2defae5SThomas Bogendoerfer 964e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 965e2defae5SThomas Bogendoerfer bool 966e2defae5SThomas Bogendoerfer 967e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 968e2defae5SThomas Bogendoerfer bool 969e2defae5SThomas Bogendoerfer 9705e83d430SRalf Baechleconfig ARC32 9715e83d430SRalf Baechle bool 9725e83d430SRalf Baechle 973231a35d3SThomas Bogendoerferconfig SNIPROM 974231a35d3SThomas Bogendoerfer bool 975231a35d3SThomas Bogendoerfer 9761da177e4SLinus Torvaldsconfig BOOT_ELF32 9771da177e4SLinus Torvalds bool 9781da177e4SLinus Torvalds 9791da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9801da177e4SLinus Torvalds int 98173b4390fSRalf Baechle default "4" if MACH_DECSTATION || MIKROTIK_RB532 982a86c7f72SDavid Daney default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 9839267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9841da177e4SLinus Torvalds default "5" 9851da177e4SLinus Torvalds 9861da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9871da177e4SLinus Torvalds bool 9881da177e4SLinus Torvalds 9891da177e4SLinus Torvaldsconfig ARC_CONSOLE 9901da177e4SLinus Torvalds bool "ARC console support" 991e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 9921da177e4SLinus Torvalds 9931da177e4SLinus Torvaldsconfig ARC_MEMORY 9941da177e4SLinus Torvalds bool 99514b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 9961da177e4SLinus Torvalds default y 9971da177e4SLinus Torvalds 9981da177e4SLinus Torvaldsconfig ARC_PROMLIB 9991da177e4SLinus Torvalds bool 1000e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10011da177e4SLinus Torvalds default y 10021da177e4SLinus Torvalds 10031da177e4SLinus Torvaldsconfig ARC64 10041da177e4SLinus Torvalds bool 10051da177e4SLinus Torvalds 10061da177e4SLinus Torvaldsconfig BOOT_ELF64 10071da177e4SLinus Torvalds bool 10081da177e4SLinus Torvalds 10091da177e4SLinus Torvaldsmenu "CPU selection" 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvaldschoice 10121da177e4SLinus Torvalds prompt "CPU type" 10131da177e4SLinus Torvalds default CPU_R4X00 10141da177e4SLinus Torvalds 10152a21c730SFuxin Zhangconfig CPU_LOONGSON2 10162a21c730SFuxin Zhang bool "Loongson 2" 10172a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10182a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10192a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10202a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10212a21c730SFuxin Zhang help 10222a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10232a21c730SFuxin Zhang with many extensions. 10242a21c730SFuxin Zhang 10256e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10266e760c8dSRalf Baechle bool "MIPS32 Release 1" 10277cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1028f7062ddbSRalf Baechle select CPU_HAS_LLSC 10296e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1030797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1031ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10326e760c8dSRalf Baechle help 10335e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10341e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10351e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10361e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10371e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10381e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10391e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10401e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10411e5f1caaSRalf Baechle performance. 10421e5f1caaSRalf Baechle 10431e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10441e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10457cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1046f7062ddbSRalf Baechle select CPU_HAS_LLSC 10471e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1048797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1049ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10501e5f1caaSRalf Baechle help 10515e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10526e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10536e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10546e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10556e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10561da177e4SLinus Torvalds 10576e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10586e760c8dSRalf Baechle bool "MIPS64 Release 1" 10597cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1060f7062ddbSRalf Baechle select CPU_HAS_LLSC 1061797798c1SRalf Baechle select CPU_HAS_PREFETCH 1062ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1063ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1064ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10659cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 10666e760c8dSRalf Baechle help 10676e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10686e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10696e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10706e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10716e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10721e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10731e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10741e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10751e5f1caaSRalf Baechle performance. 10761e5f1caaSRalf Baechle 10771e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10781e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10797cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1080f7062ddbSRalf Baechle select CPU_HAS_LLSC 1081797798c1SRalf Baechle select CPU_HAS_PREFETCH 10821e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10831e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1084ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10859cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 10861e5f1caaSRalf Baechle help 10871e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10881e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10891e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10901e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10911e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10921da177e4SLinus Torvalds 10931da177e4SLinus Torvaldsconfig CPU_R3000 10941da177e4SLinus Torvalds bool "R3000" 10957cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1096f7062ddbSRalf Baechle select CPU_HAS_WB 1097ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1098797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10991da177e4SLinus Torvalds help 11001da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11011da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11021da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11031da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11041da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11051da177e4SLinus Torvalds try to recompile with R3000. 11061da177e4SLinus Torvalds 11071da177e4SLinus Torvaldsconfig CPU_TX39XX 11081da177e4SLinus Torvalds bool "R39XX" 11097cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1110ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11111da177e4SLinus Torvalds 11121da177e4SLinus Torvaldsconfig CPU_VR41XX 11131da177e4SLinus Torvalds bool "R41xx" 11147cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1115ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1116ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11171da177e4SLinus Torvalds help 11185e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11191da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11201da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11211da177e4SLinus Torvalds processor or vice versa. 11221da177e4SLinus Torvalds 11231da177e4SLinus Torvaldsconfig CPU_R4300 11241da177e4SLinus Torvalds bool "R4300" 11257cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1126f7062ddbSRalf Baechle select CPU_HAS_LLSC 1127ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1128ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11291da177e4SLinus Torvalds help 11301da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11311da177e4SLinus Torvalds 11321da177e4SLinus Torvaldsconfig CPU_R4X00 11331da177e4SLinus Torvalds bool "R4x00" 11347cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1135f7062ddbSRalf Baechle select CPU_HAS_LLSC 1136ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1137ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11381da177e4SLinus Torvalds help 11391da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11401da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11411da177e4SLinus Torvalds 11421da177e4SLinus Torvaldsconfig CPU_TX49XX 11431da177e4SLinus Torvalds bool "R49XX" 11447cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1145f7062ddbSRalf Baechle select CPU_HAS_LLSC 1146de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1147ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1148ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11491da177e4SLinus Torvalds 11501da177e4SLinus Torvaldsconfig CPU_R5000 11511da177e4SLinus Torvalds bool "R5000" 11527cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1153f7062ddbSRalf Baechle select CPU_HAS_LLSC 1154ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1155ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11561da177e4SLinus Torvalds help 11571da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11581da177e4SLinus Torvalds 11591da177e4SLinus Torvaldsconfig CPU_R5432 11601da177e4SLinus Torvalds bool "R5432" 11617cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1162f7062ddbSRalf Baechle select CPU_HAS_LLSC 11635e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11645e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11651da177e4SLinus Torvalds 1166542c1020SShinya Kuribayashiconfig CPU_R5500 1167542c1020SShinya Kuribayashi bool "R5500" 1168542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1169542c1020SShinya Kuribayashi select CPU_HAS_LLSC 1170542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1171542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 11729cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1173542c1020SShinya Kuribayashi help 1174542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1175542c1020SShinya Kuribayashi instruction set. 1176542c1020SShinya Kuribayashi 11771da177e4SLinus Torvaldsconfig CPU_R6000 11781da177e4SLinus Torvalds bool "R6000" 1179ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1180f7062ddbSRalf Baechle select CPU_HAS_LLSC 11817cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1182ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11831da177e4SLinus Torvalds help 11841da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1185c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11861da177e4SLinus Torvalds 11871da177e4SLinus Torvaldsconfig CPU_NEVADA 11881da177e4SLinus Torvalds bool "RM52xx" 11897cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1190f7062ddbSRalf Baechle select CPU_HAS_LLSC 1191ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1192ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11931da177e4SLinus Torvalds help 11941da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11951da177e4SLinus Torvalds 11961da177e4SLinus Torvaldsconfig CPU_R8000 11971da177e4SLinus Torvalds bool "R8000" 1198ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11997cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1200f7062ddbSRalf Baechle select CPU_HAS_LLSC 12015e83d430SRalf Baechle select CPU_HAS_PREFETCH 1202ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12031da177e4SLinus Torvalds help 12041da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12051da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvaldsconfig CPU_R10000 12081da177e4SLinus Torvalds bool "R10000" 12097cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1210f7062ddbSRalf Baechle select CPU_HAS_LLSC 12115e83d430SRalf Baechle select CPU_HAS_PREFETCH 1212ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1213ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1214797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12151da177e4SLinus Torvalds help 12161da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12171da177e4SLinus Torvalds 12181da177e4SLinus Torvaldsconfig CPU_RM7000 12191da177e4SLinus Torvalds bool "RM7000" 12207cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1221f7062ddbSRalf Baechle select CPU_HAS_LLSC 12225e83d430SRalf Baechle select CPU_HAS_PREFETCH 1223ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1224ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1225797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12261da177e4SLinus Torvalds 12271da177e4SLinus Torvaldsconfig CPU_RM9000 12281da177e4SLinus Torvalds bool "RM9000" 12297cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1230f7062ddbSRalf Baechle select CPU_HAS_LLSC 12315e83d430SRalf Baechle select CPU_HAS_PREFETCH 1232ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1233ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1234797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12350004a9dfSRalf Baechle select WEAK_ORDERING 12361da177e4SLinus Torvalds 12371da177e4SLinus Torvaldsconfig CPU_SB1 12381da177e4SLinus Torvalds bool "SB1" 12397cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1240f7062ddbSRalf Baechle select CPU_HAS_LLSC 1241ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1242ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1243797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12440004a9dfSRalf Baechle select WEAK_ORDERING 12451da177e4SLinus Torvalds 1246a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1247a86c7f72SDavid Daney bool "Cavium Octeon processor" 12485e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1249a86c7f72SDavid Daney select IRQ_CPU 1250a86c7f72SDavid Daney select IRQ_CPU_OCTEON 1251a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1252a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1253a86c7f72SDavid Daney select SYS_SUPPORTS_SMP 1254a86c7f72SDavid Daney select NR_CPUS_DEFAULT_16 1255a86c7f72SDavid Daney select WEAK_ORDERING 1256a86c7f72SDavid Daney select WEAK_REORDERING_BEYOND_LLSC 1257a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 12589cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1259a86c7f72SDavid Daney help 1260a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1261a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1262a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1263a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1264a86c7f72SDavid Daney 12651da177e4SLinus Torvaldsendchoice 12661da177e4SLinus Torvalds 12672a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12682a21c730SFuxin Zhang bool 12692a21c730SFuxin Zhang 12707cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12717cf8053bSRalf Baechle bool 12727cf8053bSRalf Baechle 12737cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12747cf8053bSRalf Baechle bool 12757cf8053bSRalf Baechle 12767cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12777cf8053bSRalf Baechle bool 12787cf8053bSRalf Baechle 12797cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12807cf8053bSRalf Baechle bool 12817cf8053bSRalf Baechle 12827cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12837cf8053bSRalf Baechle bool 12847cf8053bSRalf Baechle 12857cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12867cf8053bSRalf Baechle bool 12877cf8053bSRalf Baechle 12887cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12897cf8053bSRalf Baechle bool 12907cf8053bSRalf Baechle 12917cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12927cf8053bSRalf Baechle bool 12937cf8053bSRalf Baechle 12947cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12957cf8053bSRalf Baechle bool 12967cf8053bSRalf Baechle 12977cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12987cf8053bSRalf Baechle bool 12997cf8053bSRalf Baechle 13007cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 13017cf8053bSRalf Baechle bool 13027cf8053bSRalf Baechle 13037cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 13047cf8053bSRalf Baechle bool 13057cf8053bSRalf Baechle 1306542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1307542c1020SShinya Kuribayashi bool 1308542c1020SShinya Kuribayashi 13097cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 13107cf8053bSRalf Baechle bool 13117cf8053bSRalf Baechle 13127cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 13137cf8053bSRalf Baechle bool 13147cf8053bSRalf Baechle 13157cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 13167cf8053bSRalf Baechle bool 13177cf8053bSRalf Baechle 13187cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 13197cf8053bSRalf Baechle bool 13207cf8053bSRalf Baechle 13217cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13227cf8053bSRalf Baechle bool 13237cf8053bSRalf Baechle 13247cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13257cf8053bSRalf Baechle bool 13267cf8053bSRalf Baechle 13277cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13287cf8053bSRalf Baechle bool 13297cf8053bSRalf Baechle 13305e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 13315e683389SDavid Daney bool 13325e683389SDavid Daney 133317099b11SRalf Baechle# 133417099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 133517099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 133617099b11SRalf Baechle# 13370004a9dfSRalf Baechleconfig WEAK_ORDERING 13380004a9dfSRalf Baechle bool 133917099b11SRalf Baechle 134017099b11SRalf Baechle# 134117099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 134217099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 134317099b11SRalf Baechle# 134417099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 134517099b11SRalf Baechle bool 13465e83d430SRalf Baechleendmenu 13475e83d430SRalf Baechle 13485e83d430SRalf Baechle# 13495e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13505e83d430SRalf Baechle# 13515e83d430SRalf Baechleconfig CPU_MIPS32 13525e83d430SRalf Baechle bool 13535e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13545e83d430SRalf Baechle 13555e83d430SRalf Baechleconfig CPU_MIPS64 13565e83d430SRalf Baechle bool 13575e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13585e83d430SRalf Baechle 13595e83d430SRalf Baechle# 1360c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13615e83d430SRalf Baechle# 13625e83d430SRalf Baechleconfig CPU_MIPSR1 13635e83d430SRalf Baechle bool 13645e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13655e83d430SRalf Baechle 13665e83d430SRalf Baechleconfig CPU_MIPSR2 13675e83d430SRalf Baechle bool 1368a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 13695e83d430SRalf Baechle 13705e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13715e83d430SRalf Baechle bool 13725e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13735e83d430SRalf Baechle bool 13745e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13755e83d430SRalf Baechle bool 13765e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13775e83d430SRalf Baechle bool 13789cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 13799cffd154SDavid Daney bool 13805e83d430SRalf Baechle 13818192c9eaSDavid Daney# 13828192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 13838192c9eaSDavid Daney# 13848192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 13858192c9eaSDavid Daney bool 1386f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 13878192c9eaSDavid Daney 13885e83d430SRalf Baechlemenu "Kernel type" 13895e83d430SRalf Baechle 13905e83d430SRalf Baechlechoice 13915e83d430SRalf Baechle 13925e83d430SRalf Baechle prompt "Kernel code model" 13935e83d430SRalf Baechle help 13945e83d430SRalf Baechle You should only select this option if you have a workload that 13955e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13965e83d430SRalf Baechle large memory. You will only be presented a single option in this 13975e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13985e83d430SRalf Baechle 13995e83d430SRalf Baechleconfig 32BIT 14005e83d430SRalf Baechle bool "32-bit kernel" 14015e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 14025e83d430SRalf Baechle select TRAD_SIGNALS 14035e83d430SRalf Baechle help 14045e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 14055e83d430SRalf Baechleconfig 64BIT 14065e83d430SRalf Baechle bool "64-bit kernel" 14075e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1408dbda6ac0SRalf Baechle select HAVE_SYSCALL_WRAPPERS 14095e83d430SRalf Baechle help 14105e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 14115e83d430SRalf Baechle 14125e83d430SRalf Baechleendchoice 14135e83d430SRalf Baechle 14141da177e4SLinus Torvaldschoice 14151da177e4SLinus Torvalds prompt "Kernel page size" 14161da177e4SLinus Torvalds default PAGE_SIZE_4KB 14171da177e4SLinus Torvalds 14181da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 14191da177e4SLinus Torvalds bool "4kB" 14201da177e4SLinus Torvalds help 14211da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 14221da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 14231da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 14241da177e4SLinus Torvalds recommended for low memory systems. 14251da177e4SLinus Torvalds 14261da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 14271da177e4SLinus Torvalds bool "8kB" 1428c52399beSRalf Baechle depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 14291da177e4SLinus Torvalds help 14301da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 14311da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1432c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1433c52399beSRalf Baechle suitable Linux distribution to support this. 14341da177e4SLinus Torvalds 14351da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14361da177e4SLinus Torvalds bool "16kB" 1437714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14381da177e4SLinus Torvalds help 14391da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14401da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1441714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1442714bfad6SRalf Baechle Linux distribution to support this. 14431da177e4SLinus Torvalds 1444c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1445c52399beSRalf Baechle bool "32kB" 1446c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1447c52399beSRalf Baechle help 1448c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1449c52399beSRalf Baechle the price of higher memory consumption. This option is available 1450c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1451c52399beSRalf Baechle distribution to support this. 1452c52399beSRalf Baechle 14531da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14541da177e4SLinus Torvalds bool "64kB" 14551da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14561da177e4SLinus Torvalds help 14571da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14581da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14591da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1460714bfad6SRalf Baechle writing this option is still high experimental. 14611da177e4SLinus Torvalds 14621da177e4SLinus Torvaldsendchoice 14631da177e4SLinus Torvalds 14641da177e4SLinus Torvaldsconfig BOARD_SCACHE 14651da177e4SLinus Torvalds bool 14661da177e4SLinus Torvalds 14671da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14681da177e4SLinus Torvalds bool 14691da177e4SLinus Torvalds select BOARD_SCACHE 14701da177e4SLinus Torvalds 14719318c51aSChris Dearman# 14729318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14739318c51aSChris Dearman# 14749318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14759318c51aSChris Dearman bool 14769318c51aSChris Dearman select BOARD_SCACHE 14779318c51aSChris Dearman 14781da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14791da177e4SLinus Torvalds bool 14801da177e4SLinus Torvalds select BOARD_SCACHE 14811da177e4SLinus Torvalds 14821da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14831da177e4SLinus Torvalds bool 14841da177e4SLinus Torvalds select BOARD_SCACHE 14851da177e4SLinus Torvalds 14861da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14871da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14881da177e4SLinus Torvalds depends on CPU_SB1 14891da177e4SLinus Torvalds help 14901da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14911da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14921da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14931da177e4SLinus Torvalds 14941da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1495c8094b53SRalf Baechle bool 14961da177e4SLinus Torvalds 1497340ee4b9SRalf Baechlechoice 1498340ee4b9SRalf Baechle prompt "MIPS MT options" 1499f41ae0b2SRalf Baechle 1500f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1501f41ae0b2SRalf Baechle bool "Disable multithreading support." 1502f41ae0b2SRalf Baechle help 1503f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1504f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1505f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1506f41ae0b2SRalf Baechle option in this menu. 1507340ee4b9SRalf Baechle 150859d6ab86SRalf Baechleconfig MIPS_MT_SMP 150959d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 151059d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 151159d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1512d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 151359d6ab86SRalf Baechle select MIPS_MT 1514f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 151559d6ab86SRalf Baechle select SMP 15160ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 151759d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 151887353d8aSRalf Baechle select SMP_UP 151959d6ab86SRalf Baechle help 152059d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 152159d6ab86SRalf Baechle has been marketesed into SMVP. 152259d6ab86SRalf Baechle 152341c594abSRalf Baechleconfig MIPS_MT_SMTC 152441c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1525f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1526f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1527f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1528f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1529d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1530f41ae0b2SRalf Baechle select MIPS_MT 1531130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 153241c594abSRalf Baechle select SMP 153373b76c78SRalf Baechle select SYS_SUPPORTS_SMP 153487353d8aSRalf Baechle select SMP_UP 1535f41ae0b2SRalf Baechle help 1536f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1537f41ae0b2SRalf Baechle marketesed into SMVP. 153841c594abSRalf Baechle 1539340ee4b9SRalf Baechleendchoice 1540340ee4b9SRalf Baechle 1541f41ae0b2SRalf Baechleconfig MIPS_MT 1542f41ae0b2SRalf Baechle bool 1543f41ae0b2SRalf Baechle 15440ab7aefcSRalf Baechleconfig SCHED_SMT 15450ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15460ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15470ab7aefcSRalf Baechle default n 15480ab7aefcSRalf Baechle help 15490ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15500ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15510ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15520ab7aefcSRalf Baechle 15530ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15540ab7aefcSRalf Baechle bool 15550ab7aefcSRalf Baechle 15560ab7aefcSRalf Baechle 1557f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1558f41ae0b2SRalf Baechle bool 1559f41ae0b2SRalf Baechle 1560f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1561f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1562f088fc84SRalf Baechle default y 156307cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 156407cc0c9eSRalf Baechle 156507cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 156607cc0c9eSRalf Baechle bool "VPE loader support." 156707cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 156807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 156907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 157007cc0c9eSRalf Baechle select MIPS_MT 157107cc0c9eSRalf Baechle help 157207cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 157307cc0c9eSRalf Baechle onto another VPE and running it. 1574f088fc84SRalf Baechle 15750db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15760db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15770db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15788531a35eSKevin D. Kissell default n 15790db34215SKevin D. Kissell help 15800db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15810db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15820db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15830db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15840db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15858531a35eSKevin D. Kissell impact on interrupt service overhead. 15860db34215SKevin D. Kissell 1587f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1588f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1589f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1590f571eff0SKevin D. Kissell default n 1591f571eff0SKevin D. Kissell help 1592f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1593f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1594f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 15958531a35eSKevin D. Kissell platform code. Adds some overhead to interrupt dispatch, and 15968531a35eSKevin D. Kissell should be used only if you know what you are doing. 1597f571eff0SKevin D. Kissell 1598e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1599e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1600e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1601e01402b1SRalf Baechle default y 1602e01402b1SRalf Baechle help 1603e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1604e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1605e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1606e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1607e01402b1SRalf Baechle 1608e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1609e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1610e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1611e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 16125e83d430SRalf Baechle help 1613e01402b1SRalf Baechle 16142600990eSRalf Baechleconfig MIPS_APSP_KSPD 16152600990eSRalf Baechle bool "Enable KSPD" 16162600990eSRalf Baechle depends on MIPS_VPE_APSP_API 16172600990eSRalf Baechle default y 16182600990eSRalf Baechle help 16192600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 16202600990eSRalf Baechle side, actions them and returns the results. It also handles the 16212600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 16222600990eSRalf Baechle exiting. You probably want to say yes here. 16232600990eSRalf Baechle 16244a16ff4cSRalf Baechleconfig MIPS_CMP 16254a16ff4cSRalf Baechle bool "MIPS CMP framework support" 16264a16ff4cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 16274a16ff4cSRalf Baechle select SYNC_R4K if BROKEN 16284a16ff4cSRalf Baechle select SYS_SUPPORTS_SMP 16294a16ff4cSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 16304a16ff4cSRalf Baechle select WEAK_ORDERING 16314a16ff4cSRalf Baechle default n 16324a16ff4cSRalf Baechle help 16334a16ff4cSRalf Baechle This is a placeholder option for the GCMP work. It will need to 16344a16ff4cSRalf Baechle be handled differently... 16354a16ff4cSRalf Baechle 16361da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16371da177e4SLinus Torvalds bool 16381da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16391da177e4SLinus Torvalds default y 16401da177e4SLinus Torvalds 16411da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16421da177e4SLinus Torvalds bool 16431da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16441da177e4SLinus Torvalds default y 16451da177e4SLinus Torvalds 16461da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16471da177e4SLinus Torvalds bool 16481da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16491da177e4SLinus Torvalds default y 16501da177e4SLinus Torvalds 16511da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1652d806cb2bSRalf Baechle bool 16531da177e4SLinus Torvalds 16541da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1655f7062ddbSRalf Baechle bool 16561da177e4SLinus Torvalds 16579693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16589693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16599693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16609693a853SFranck Bui-Huu help 16619693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16629693a853SFranck Bui-Huu increased security at both hardware and software level for 16639693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16649693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16659693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16669693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16679693a853SFranck Bui-Huu here. 16689693a853SFranck Bui-Huu 16691da177e4SLinus Torvaldsconfig CPU_HAS_WB 1670f7062ddbSRalf Baechle bool 1671e01402b1SRalf Baechle 1672f41ae0b2SRalf Baechle# 1673f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1674f41ae0b2SRalf Baechle# 1675e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1676f41ae0b2SRalf Baechle bool 1677e01402b1SRalf Baechle 1678f41ae0b2SRalf Baechle# 1679f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1680f41ae0b2SRalf Baechle# 1681e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1682f41ae0b2SRalf Baechle bool 1683e01402b1SRalf Baechle 16841da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16851da177e4SLinus Torvalds bool 16861da177e4SLinus Torvalds depends on !CPU_R3000 16871da177e4SLinus Torvalds default y 16881da177e4SLinus Torvalds 1689ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1690ea580401SRalf Baechle bool 1691ea580401SRalf Baechle 16921da177e4SLinus Torvalds# 169320d60d99SMaciej W. Rozycki# CPU non-features 169420d60d99SMaciej W. Rozycki# 169520d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 169620d60d99SMaciej W. Rozycki bool 169720d60d99SMaciej W. Rozycki 169820d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 169920d60d99SMaciej W. Rozycki bool 170020d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 170120d60d99SMaciej W. Rozycki 170220d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 170320d60d99SMaciej W. Rozycki bool 170420d60d99SMaciej W. Rozycki 170520d60d99SMaciej W. Rozycki# 1706797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1707797798c1SRalf Baechle# 1708797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1709797798c1SRalf Baechle bool 1710797798c1SRalf Baechle default y 1711797798c1SRalf Baechle 1712797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1713797798c1SRalf Baechle bool 1714797798c1SRalf Baechle default y 1715797798c1SRalf Baechle 17160d7012a9SIngo Molnarconfig IRQ_PER_CPU 17170d7012a9SIngo Molnar bool 17180d7012a9SIngo Molnar 1719797798c1SRalf Baechle# 17201da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 17211da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 17221da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 17231da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 17241da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 17251da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 17261da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 17271da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1728797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1729797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1730797798c1SRalf Baechle# support. 17311da177e4SLinus Torvalds# 17321da177e4SLinus Torvaldsconfig HIGHMEM 17331da177e4SLinus Torvalds bool "High Memory Support" 1734797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1735797798c1SRalf Baechle 1736797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1737797798c1SRalf Baechle bool 1738797798c1SRalf Baechle 1739797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1740797798c1SRalf Baechle bool 17411da177e4SLinus Torvalds 17429693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17439693a853SFranck Bui-Huu bool 17449693a853SFranck Bui-Huu 1745b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1746b4819b59SYoichi Yuasa def_bool y 1747b4819b59SYoichi Yuasa depends on !NUMA 1748b4819b59SYoichi Yuasa 1749d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1750d8cb4e11SRalf Baechle bool 1751d8cb4e11SRalf Baechle default y if SGI_IP27 1752d8cb4e11SRalf Baechle help 17533dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1754d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1755d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1756d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1757d8cb4e11SRalf Baechle 1758cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1759cce335aeSRalf Baechle def_bool y 1760cce335aeSRalf Baechle 1761b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1762b1c6cd42SAtsushi Nemoto bool 17637de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 176431473747SAtsushi Nemoto 1765d8cb4e11SRalf Baechleconfig NUMA 1766d8cb4e11SRalf Baechle bool "NUMA Support" 1767d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1768d8cb4e11SRalf Baechle help 1769d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1770d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1771d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1772d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1773d8cb4e11SRalf Baechle disabled. 1774d8cb4e11SRalf Baechle 1775d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1776d8cb4e11SRalf Baechle bool 1777d8cb4e11SRalf Baechle 1778c80d79d7SYasunori Gotoconfig NODES_SHIFT 1779c80d79d7SYasunori Goto int 1780c80d79d7SYasunori Goto default "6" 1781c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1782c80d79d7SYasunori Goto 1783b4819b59SYoichi Yuasasource "mm/Kconfig" 1784b4819b59SYoichi Yuasa 17851da177e4SLinus Torvaldsconfig SMP 17861da177e4SLinus Torvalds bool "Multi-Processing support" 1787e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1788b4b30a5aSRalf Baechle select IRQ_PER_CPU 17892f304c0aSJens Axboe select USE_GENERIC_SMP_HELPERS 1790e73ea273SRalf Baechle help 17911da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17921da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17931da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17941da177e4SLinus Torvalds 17951da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17961da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17971da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17981da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17991da177e4SLinus Torvalds will run faster if you say N here. 18001da177e4SLinus Torvalds 18011da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 18021da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 18031da177e4SLinus Torvalds 180403502faaSAdrian Bunk See also the SMP-HOWTO available at 180503502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 18061da177e4SLinus Torvalds 18071da177e4SLinus Torvalds If you don't know what to do here, say N. 18081da177e4SLinus Torvalds 180987353d8aSRalf Baechleconfig SMP_UP 181087353d8aSRalf Baechle bool 181187353d8aSRalf Baechle 18124a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 18134a16ff4cSRalf Baechle bool 18144a16ff4cSRalf Baechle 1815e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1816e73ea273SRalf Baechle bool 1817e73ea273SRalf Baechle 181872ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 181972ede9b1SAtsushi Nemoto bool 182072ede9b1SAtsushi Nemoto 1821130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1822130e2fb7SRalf Baechle bool 1823130e2fb7SRalf Baechle 1824130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1825130e2fb7SRalf Baechle bool 1826130e2fb7SRalf Baechle 1827130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1828130e2fb7SRalf Baechle bool 1829130e2fb7SRalf Baechle 1830130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1831130e2fb7SRalf Baechle bool 1832130e2fb7SRalf Baechle 1833130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1834130e2fb7SRalf Baechle bool 1835130e2fb7SRalf Baechle 1836130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1837130e2fb7SRalf Baechle bool 1838130e2fb7SRalf Baechle 18391da177e4SLinus Torvaldsconfig NR_CPUS 18401da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 184172ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 18421da177e4SLinus Torvalds depends on SMP 184372ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1844130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1845130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1846130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1847130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1848130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1849130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18501da177e4SLinus Torvalds help 18511da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18521da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18531da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 185472ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 185572ede9b1SAtsushi Nemoto and 2 for all others. 18561da177e4SLinus Torvalds 18571da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 185872ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 185972ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 186072ede9b1SAtsushi Nemoto power of two. 18611da177e4SLinus Torvalds 1862c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1863c4eee283SAtsushi Nemoto 18641723b4a3SAtsushi Nemoto# 18651723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18661723b4a3SAtsushi Nemoto# 18671723b4a3SAtsushi Nemoto 18681723b4a3SAtsushi Nemotochoice 18691723b4a3SAtsushi Nemoto prompt "Timer frequency" 18701723b4a3SAtsushi Nemoto default HZ_250 18711723b4a3SAtsushi Nemoto help 18721723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18731723b4a3SAtsushi Nemoto 18741723b4a3SAtsushi Nemoto config HZ_48 18750f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 18761723b4a3SAtsushi Nemoto 18771723b4a3SAtsushi Nemoto config HZ_100 18781723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18791723b4a3SAtsushi Nemoto 18801723b4a3SAtsushi Nemoto config HZ_128 18811723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18821723b4a3SAtsushi Nemoto 18831723b4a3SAtsushi Nemoto config HZ_250 18841723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18851723b4a3SAtsushi Nemoto 18861723b4a3SAtsushi Nemoto config HZ_256 18871723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18881723b4a3SAtsushi Nemoto 18891723b4a3SAtsushi Nemoto config HZ_1000 18901723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18911723b4a3SAtsushi Nemoto 18921723b4a3SAtsushi Nemoto config HZ_1024 18931723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18941723b4a3SAtsushi Nemoto 18951723b4a3SAtsushi Nemotoendchoice 18961723b4a3SAtsushi Nemoto 18971723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18981723b4a3SAtsushi Nemoto bool 18991723b4a3SAtsushi Nemoto 19001723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 19011723b4a3SAtsushi Nemoto bool 19021723b4a3SAtsushi Nemoto 19031723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 19041723b4a3SAtsushi Nemoto bool 19051723b4a3SAtsushi Nemoto 19061723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 19071723b4a3SAtsushi Nemoto bool 19081723b4a3SAtsushi Nemoto 19091723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 19101723b4a3SAtsushi Nemoto bool 19111723b4a3SAtsushi Nemoto 19121723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 19131723b4a3SAtsushi Nemoto bool 19141723b4a3SAtsushi Nemoto 19151723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 19161723b4a3SAtsushi Nemoto bool 19171723b4a3SAtsushi Nemoto 19181723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 19191723b4a3SAtsushi Nemoto bool 19201723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 19211723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 19221723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 19231723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 19241723b4a3SAtsushi Nemoto 19251723b4a3SAtsushi Nemotoconfig HZ 19261723b4a3SAtsushi Nemoto int 19271723b4a3SAtsushi Nemoto default 48 if HZ_48 19281723b4a3SAtsushi Nemoto default 100 if HZ_100 19291723b4a3SAtsushi Nemoto default 128 if HZ_128 19301723b4a3SAtsushi Nemoto default 250 if HZ_250 19311723b4a3SAtsushi Nemoto default 256 if HZ_256 19321723b4a3SAtsushi Nemoto default 1000 if HZ_1000 19331723b4a3SAtsushi Nemoto default 1024 if HZ_1024 19341723b4a3SAtsushi Nemoto 1935e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 19361da177e4SLinus Torvalds 19371da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 19381da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1939875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 19401da177e4SLinus Torvalds help 19411da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 19421da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 19431da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 19441da177e4SLinus Torvalds This will result in additional memory usage, so it is not 19451da177e4SLinus Torvalds recommended for normal users. 19461da177e4SLinus Torvalds 1947ea6e942bSAtsushi Nemotoconfig KEXEC 1948ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1949ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1950ea6e942bSAtsushi Nemoto help 1951ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1952ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19533dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1954ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1955ea6e942bSAtsushi Nemoto 195601dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1957ea6e942bSAtsushi Nemoto 1958ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1959ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1960ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1961ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1962ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1963ea6e942bSAtsushi Nemoto 1964ea6e942bSAtsushi Nemotoconfig SECCOMP 1965ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1966293c5bd1SRalf Baechle depends on PROC_FS 1967ea6e942bSAtsushi Nemoto default y 1968ea6e942bSAtsushi Nemoto help 1969ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1970ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1971ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1972ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1973ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1974ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1975ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1976ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1977ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1978ea6e942bSAtsushi Nemoto 1979ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1980ea6e942bSAtsushi Nemoto 19815e83d430SRalf Baechleendmenu 19825e83d430SRalf Baechle 19831df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19841df0f0ffSAtsushi Nemoto bool 19851df0f0ffSAtsushi Nemoto default y 19861df0f0ffSAtsushi Nemoto 19871df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19881df0f0ffSAtsushi Nemoto bool 19891df0f0ffSAtsushi Nemoto default y 19901df0f0ffSAtsushi Nemoto 1991b6c3539bSRalf Baechlesource "init/Kconfig" 1992b6c3539bSRalf Baechle 19930011036bSAtsushi Nemotoconfig PROBE_INITRD_HEADER 19940011036bSAtsushi Nemoto bool "Probe initrd header created by addinitrd" 19950011036bSAtsushi Nemoto depends on BLK_DEV_INITRD 19960011036bSAtsushi Nemoto help 19970011036bSAtsushi Nemoto Probe initrd header at the last page of kernel image. 19980011036bSAtsushi Nemoto Say Y here if you are using arch/mips/boot/addinitrd.c to 19990011036bSAtsushi Nemoto add initrd or initramfs image to the kernel image. 20000011036bSAtsushi Nemoto Otherwise, say N. 20010011036bSAtsushi Nemoto 2002dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2003dc52ddc0SMatt Helsley 20041da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 20051da177e4SLinus Torvalds 20065e83d430SRalf Baechleconfig HW_HAS_EISA 20075e83d430SRalf Baechle bool 20081da177e4SLinus Torvaldsconfig HW_HAS_PCI 20091da177e4SLinus Torvalds bool 20101da177e4SLinus Torvalds 20111da177e4SLinus Torvaldsconfig PCI 20121da177e4SLinus Torvalds bool "Support for PCI controller" 20131da177e4SLinus Torvalds depends on HW_HAS_PCI 2014abb4ae46SRalf Baechle select PCI_DOMAINS 20151da177e4SLinus Torvalds help 20161da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 20171da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 20181da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 20191da177e4SLinus Torvalds say Y, otherwise N. 20201da177e4SLinus Torvalds 20211da177e4SLinus Torvaldsconfig PCI_DOMAINS 20221da177e4SLinus Torvalds bool 20231da177e4SLinus Torvalds 20241da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 20251da177e4SLinus Torvalds 20261da177e4SLinus Torvalds# 20271da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 20281da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 20291da177e4SLinus Torvalds# users to choose the right thing ... 20301da177e4SLinus Torvalds# 20311da177e4SLinus Torvaldsconfig ISA 20321da177e4SLinus Torvalds bool 20331da177e4SLinus Torvalds 20341da177e4SLinus Torvaldsconfig EISA 20351da177e4SLinus Torvalds bool "EISA support" 20365e83d430SRalf Baechle depends on HW_HAS_EISA 20371da177e4SLinus Torvalds select ISA 2038aa414dffSRalf Baechle select GENERIC_ISA_DMA 20391da177e4SLinus Torvalds ---help--- 20401da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20411da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20421da177e4SLinus Torvalds 20431da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20441da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20451da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20461da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20471da177e4SLinus Torvalds 20481da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20491da177e4SLinus Torvalds 20501da177e4SLinus Torvalds Otherwise, say N. 20511da177e4SLinus Torvalds 20521da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20531da177e4SLinus Torvalds 20541da177e4SLinus Torvaldsconfig TC 20551da177e4SLinus Torvalds bool "TURBOchannel support" 20561da177e4SLinus Torvalds depends on MACH_DECSTATION 20571da177e4SLinus Torvalds help 20581da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20591da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20601da177e4SLinus Torvalds is available at: 20611da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20621da177e4SLinus Torvalds 20631da177e4SLinus Torvalds#config ACCESSBUS 20641da177e4SLinus Torvalds# bool "Access.Bus support" 20651da177e4SLinus Torvalds# depends on TC 20661da177e4SLinus Torvalds 20671da177e4SLinus Torvaldsconfig MMU 20681da177e4SLinus Torvalds bool 20691da177e4SLinus Torvalds default y 20701da177e4SLinus Torvalds 2071d865bea4SRalf Baechleconfig I8253 2072d865bea4SRalf Baechle bool 2073d865bea4SRalf Baechle 2074cce335aeSRalf Baechleconfig ZONE_DMA32 2075cce335aeSRalf Baechle bool 2076cce335aeSRalf Baechle 20771da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20781da177e4SLinus Torvalds 20791da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20801da177e4SLinus Torvalds 20811da177e4SLinus Torvaldsendmenu 20821da177e4SLinus Torvalds 20831da177e4SLinus Torvaldsmenu "Executable file formats" 20841da177e4SLinus Torvalds 20851da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20861da177e4SLinus Torvalds 20871da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20881da177e4SLinus Torvalds bool 20891da177e4SLinus Torvalds 20901da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20911da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2092875d43e7SRalf Baechle depends on 64BIT 20931da177e4SLinus Torvalds help 20941da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20951da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20961da177e4SLinus Torvalds currently 32-bit you should say Y here. 20971da177e4SLinus Torvalds 20981da177e4SLinus Torvaldsconfig COMPAT 20991da177e4SLinus Torvalds bool 21001da177e4SLinus Torvalds depends on MIPS32_COMPAT 21011da177e4SLinus Torvalds default y 21021da177e4SLinus Torvalds 210305e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 210405e43966SAtsushi Nemoto bool 210505e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 210605e43966SAtsushi Nemoto default y 210705e43966SAtsushi Nemoto 21081da177e4SLinus Torvaldsconfig MIPS32_O32 21091da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 21101da177e4SLinus Torvalds depends on MIPS32_COMPAT 21111da177e4SLinus Torvalds help 21121da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 21131da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 21141da177e4SLinus Torvalds existing binaries are in this format. 21151da177e4SLinus Torvalds 21161da177e4SLinus Torvalds If unsure, say Y. 21171da177e4SLinus Torvalds 21181da177e4SLinus Torvaldsconfig MIPS32_N32 21191da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 21201da177e4SLinus Torvalds depends on MIPS32_COMPAT 21211da177e4SLinus Torvalds help 21221da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 21231da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 21241da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 21251da177e4SLinus Torvalds cases. 21261da177e4SLinus Torvalds 21271da177e4SLinus Torvalds If unsure, say N. 21281da177e4SLinus Torvalds 21291da177e4SLinus Torvaldsconfig BINFMT_ELF32 21301da177e4SLinus Torvalds bool 21311da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 21321da177e4SLinus Torvalds 21332116245eSRalf Baechleendmenu 21341da177e4SLinus Torvalds 21352116245eSRalf Baechlemenu "Power management options" 2136952fa954SRodolfo Giometti 2137*363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2138*363c55caSWu Zhangjin def_bool y 2139*363c55caSWu Zhangjin depends on !SMP 2140*363c55caSWu Zhangjin 2141f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2142f4cb5700SJohannes Berg def_bool y 2143f4cb5700SJohannes Berg depends on !SMP 2144f4cb5700SJohannes Berg 21452116245eSRalf Baechlesource "kernel/power/Kconfig" 2146952fa954SRodolfo Giometti 21471da177e4SLinus Torvaldsendmenu 21481da177e4SLinus Torvalds 2149d5950b43SSam Ravnborgsource "net/Kconfig" 2150d5950b43SSam Ravnborg 21511da177e4SLinus Torvaldssource "drivers/Kconfig" 21521da177e4SLinus Torvalds 21531da177e4SLinus Torvaldssource "fs/Kconfig" 21541da177e4SLinus Torvalds 21551da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21561da177e4SLinus Torvalds 21571da177e4SLinus Torvaldssource "security/Kconfig" 21581da177e4SLinus Torvalds 21591da177e4SLinus Torvaldssource "crypto/Kconfig" 21601da177e4SLinus Torvalds 21611da177e4SLinus Torvaldssource "lib/Kconfig" 2162