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 75*e25bfc92SYoichi 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 621a86c7f72SDavid Daney help 622a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 623a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 624a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 625a86c7f72SDavid Daney Some of the supported boards are: 626a86c7f72SDavid Daney EBT3000 627a86c7f72SDavid Daney EBH3000 628a86c7f72SDavid Daney EBH3100 629a86c7f72SDavid Daney Thunder 630a86c7f72SDavid Daney Kodama 631a86c7f72SDavid Daney Hikari 632a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 633a86c7f72SDavid Daney 6341da177e4SLinus Torvaldsendchoice 6351da177e4SLinus Torvalds 636e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 6379c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 6385e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6391f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6405e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 64129c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 64238b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 64322b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 6445e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 645a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 64638b18f72SRalf Baechle 6475e83d430SRalf Baechleendmenu 6485e83d430SRalf Baechle 6491da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6501da177e4SLinus Torvalds bool 6511da177e4SLinus Torvalds default y 6521da177e4SLinus Torvalds 6531da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6541da177e4SLinus Torvalds bool 6551da177e4SLinus Torvalds 656f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 657f0d1b0b3SDavid Howells bool 658f0d1b0b3SDavid Howells default n 659f0d1b0b3SDavid Howells 660f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 661f0d1b0b3SDavid Howells bool 662f0d1b0b3SDavid Howells default n 663f0d1b0b3SDavid Howells 66400a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 66500a58253SRalf Baechle bool 66600a58253SRalf Baechle default y if !MIPS_MT_SMTC 66700a58253SRalf Baechle 6683c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6693c9ee7efSAkinobu Mita bool 6703c9ee7efSAkinobu Mita default y 6713c9ee7efSAkinobu Mita 6723c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6733c9ee7efSAkinobu Mita bool 6743c9ee7efSAkinobu Mita default y 6753c9ee7efSAkinobu Mita 6761da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6771da177e4SLinus Torvalds bool 6781da177e4SLinus Torvalds default y 6791da177e4SLinus Torvalds 6807bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 6817bcf7717SRalf Baechle bool 6827bcf7717SRalf Baechle default y 6837bcf7717SRalf Baechle 6848db02010SRalf Baechleconfig GENERIC_TIME 6858db02010SRalf Baechle bool 6868db02010SRalf Baechle default y 6878db02010SRalf Baechle 688f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 689f5ff0a28SRalf Baechle bool 690f5ff0a28SRalf Baechle default y 691f5ff0a28SRalf Baechle 692ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 6931cc89038SAtsushi Nemoto bool 6941cc89038SAtsushi Nemoto default y 6951cc89038SAtsushi Nemoto 696e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 697c87e0909SRalf Baechle def_bool y 698e77c232cSFranck Bui-Huu 6991da177e4SLinus Torvalds# 7001da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7011da177e4SLinus Torvalds# 7021da177e4SLinus Torvaldsconfig ARC 7031da177e4SLinus Torvalds bool 7041da177e4SLinus Torvalds 70561ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 70661ed242dSRalf Baechle bool 70761ed242dSRalf Baechle 7089267a30dSMarc St-Jeanconfig BOOT_RAW 7099267a30dSMarc St-Jean bool 7109267a30dSMarc St-Jean 711217dd11eSRalf Baechleconfig CEVT_BCM1480 712217dd11eSRalf Baechle bool 713217dd11eSRalf Baechle 7146457d9fcSYoichi Yuasaconfig CEVT_DS1287 7156457d9fcSYoichi Yuasa bool 7166457d9fcSYoichi Yuasa 7171097c6acSYoichi Yuasaconfig CEVT_GT641XX 7181097c6acSYoichi Yuasa bool 7191097c6acSYoichi Yuasa 720779e7d41SManuel Laussconfig CEVT_R4K_LIB 721779e7d41SManuel Lauss bool 722779e7d41SManuel Lauss 72342f77542SRalf Baechleconfig CEVT_R4K 724779e7d41SManuel Lauss select CEVT_R4K_LIB 72542f77542SRalf Baechle bool 72642f77542SRalf Baechle 727217dd11eSRalf Baechleconfig CEVT_SB1250 728217dd11eSRalf Baechle bool 729217dd11eSRalf Baechle 730229f773eSAtsushi Nemotoconfig CEVT_TXX9 731229f773eSAtsushi Nemoto bool 732229f773eSAtsushi Nemoto 733217dd11eSRalf Baechleconfig CSRC_BCM1480 734217dd11eSRalf Baechle bool 735217dd11eSRalf Baechle 7364247417dSYoichi Yuasaconfig CSRC_IOASIC 7374247417dSYoichi Yuasa bool 7384247417dSYoichi Yuasa 739779e7d41SManuel Laussconfig CSRC_R4K_LIB 740779e7d41SManuel Lauss bool 741779e7d41SManuel Lauss 742940f6b48SRalf Baechleconfig CSRC_R4K 743779e7d41SManuel Lauss select CSRC_R4K_LIB 744940f6b48SRalf Baechle bool 745940f6b48SRalf Baechle 746217dd11eSRalf Baechleconfig CSRC_SB1250 747217dd11eSRalf Baechle bool 748217dd11eSRalf Baechle 749a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 750a9aec7feSAtsushi Nemoto select GENERIC_GPIO 7517444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 752a9aec7feSAtsushi Nemoto bool 753a9aec7feSAtsushi Nemoto 754df78b5c8SAurelien Jarnoconfig CFE 755df78b5c8SAurelien Jarno bool 756df78b5c8SAurelien Jarno 7571da177e4SLinus Torvaldsconfig DMA_COHERENT 7581da177e4SLinus Torvalds bool 7591da177e4SLinus Torvalds 7601da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7611da177e4SLinus Torvalds bool 7624ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7634ce588cdSRalf Baechle 7644ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7654ce588cdSRalf Baechle bool 7661da177e4SLinus Torvalds 7671da177e4SLinus Torvaldsconfig EARLY_PRINTK 76836a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 76936a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 77036a88530SRalf Baechle default y 77136a88530SRalf Baechle help 77236a88530SRalf Baechle This option enables special console drivers which allow the kernel 77336a88530SRalf Baechle to print messages very early in the bootup process. 77436a88530SRalf Baechle 77536a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 776490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 777490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 778490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 77936a88530SRalf Baechle unless you want to debug such a crash. 78036a88530SRalf Baechle 78136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7821da177e4SLinus Torvalds bool 7831da177e4SLinus Torvalds 784dbb74540SRalf Baechleconfig HOTPLUG_CPU 785dbb74540SRalf Baechle bool 786dbb74540SRalf Baechle default n 787dbb74540SRalf Baechle 7881da177e4SLinus Torvaldsconfig I8259 7891da177e4SLinus Torvalds bool 7901da177e4SLinus Torvalds 7911da177e4SLinus Torvaldsconfig MIPS_BONITO64 7921da177e4SLinus Torvalds bool 7931da177e4SLinus Torvalds 7941da177e4SLinus Torvaldsconfig MIPS_MSC 7951da177e4SLinus Torvalds bool 7961da177e4SLinus Torvalds 7971f21d2bdSBrian Murphyconfig MIPS_NILE4 7981f21d2bdSBrian Murphy bool 7991f21d2bdSBrian Murphy 8001da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8011da177e4SLinus Torvalds bool 8021da177e4SLinus Torvalds 80339b8d525SRalf Baechleconfig SYNC_R4K 80439b8d525SRalf Baechle bool 80539b8d525SRalf Baechle 806d388d685SMaciej W. Rozyckiconfig NO_IOPORT 807d388d685SMaciej W. Rozycki def_bool n 808d388d685SMaciej W. Rozycki 8098313da30SRalf Baechleconfig GENERIC_ISA_DMA 8108313da30SRalf Baechle bool 8118313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8128313da30SRalf Baechle 813aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 814aa414dffSRalf Baechle bool 8158313da30SRalf Baechle select GENERIC_ISA_DMA 816aa414dffSRalf Baechle 81709663335SYoichi Yuasaconfig GENERIC_GPIO 81809663335SYoichi Yuasa bool 81909663335SYoichi Yuasa 8205e83d430SRalf Baechle# 8213cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8225e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8235e83d430SRalf Baechle# choice statement should be more obvious to the user. 8245e83d430SRalf Baechle# 8255e83d430SRalf Baechlechoice 8265e83d430SRalf Baechle prompt "Endianess selection" 8271da177e4SLinus Torvalds help 8281da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8295e83d430SRalf Baechle byte order. These modes require different kernels and a different 8303cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8315e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8323dde6ad8SDavid Sterba one or the other endianness. 8335e83d430SRalf Baechle 8345e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8355e83d430SRalf Baechle bool "Big endian" 8365e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8375e83d430SRalf Baechle 8385e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8395e83d430SRalf Baechle bool "Little endian" 8405e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8415e83d430SRalf Baechle help 8425e83d430SRalf Baechle 8435e83d430SRalf Baechleendchoice 8445e83d430SRalf Baechle 8452116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8462116245eSRalf Baechle bool 8472116245eSRalf Baechle 8485e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8495e83d430SRalf Baechle bool 8505e83d430SRalf Baechle 8515e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8525e83d430SRalf Baechle bool 8531da177e4SLinus Torvalds 8541da177e4SLinus Torvaldsconfig IRQ_CPU 8551da177e4SLinus Torvalds bool 8561da177e4SLinus Torvalds 8571da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8581da177e4SLinus Torvalds bool 8591da177e4SLinus Torvalds 8605e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8615e83d430SRalf Baechle bool 8625e83d430SRalf Baechle 8639267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8649267a30dSMarc St-Jean bool 8659267a30dSMarc St-Jean 8669267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8679267a30dSMarc St-Jean bool 8689267a30dSMarc St-Jean 8698420fd00SAtsushi Nemotoconfig IRQ_TXX9 8708420fd00SAtsushi Nemoto bool 8718420fd00SAtsushi Nemoto 872d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 873d5ab1a69SYoichi Yuasa bool 874d5ab1a69SYoichi Yuasa 87539b8d525SRalf Baechleconfig IRQ_GIC 87639b8d525SRalf Baechle bool 87739b8d525SRalf Baechle 878a86c7f72SDavid Daneyconfig IRQ_CPU_OCTEON 879a86c7f72SDavid Daney bool 880a86c7f72SDavid Daney 8811da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8821da177e4SLinus Torvalds bool 8831da177e4SLinus Torvalds 884252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8851da177e4SLinus Torvalds bool 8861da177e4SLinus Torvalds 8879267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8889267a30dSMarc St-Jean bool 8899267a30dSMarc St-Jean 890663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 891663c3d90Sthomas@koeller.dyndns.org bool 892663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 893663c3d90Sthomas@koeller.dyndns.org 894a83860c2SRalf Baechleconfig SOC_EMMA2RH 895a83860c2SRalf Baechle bool 896a83860c2SRalf Baechle select CEVT_R4K 897a83860c2SRalf Baechle select CSRC_R4K 898a83860c2SRalf Baechle select DMA_NONCOHERENT 899a83860c2SRalf Baechle select IRQ_CPU 900a83860c2SRalf Baechle select SWAP_IO_SPACE 901a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 902a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 903a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 904a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 905a83860c2SRalf Baechle 906edb6310aSDaniel Lairdconfig SOC_PNX833X 907edb6310aSDaniel Laird bool 908edb6310aSDaniel Laird select CEVT_R4K 909edb6310aSDaniel Laird select CSRC_R4K 910edb6310aSDaniel Laird select IRQ_CPU 911edb6310aSDaniel Laird select DMA_NONCOHERENT 912edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 913edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 914edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 915edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 916edb6310aSDaniel Laird select GENERIC_GPIO 917edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 918edb6310aSDaniel Laird 919edb6310aSDaniel Lairdconfig SOC_PNX8335 920edb6310aSDaniel Laird bool 921edb6310aSDaniel Laird select SOC_PNX833X 922edb6310aSDaniel Laird 923bdf21b18SPete Popovconfig PNX8550 924bdf21b18SPete Popov bool 925bdf21b18SPete Popov select SOC_PNX8550 926bdf21b18SPete Popov 927bdf21b18SPete Popovconfig SOC_PNX8550 928bdf21b18SPete Popov bool 929bdf21b18SPete Popov select DMA_NONCOHERENT 930bdf21b18SPete Popov select HW_HAS_PCI 931b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 93236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9337cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 9344ead1681SFlorian Fainelli select GENERIC_GPIO 935bdf21b18SPete Popov 9361da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9371da177e4SLinus Torvalds bool 9381da177e4SLinus Torvalds 939663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 940663c3d90Sthomas@koeller.dyndns.org bool 941663c3d90Sthomas@koeller.dyndns.org 942e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 943e2defae5SThomas Bogendoerfer bool 944e2defae5SThomas Bogendoerfer 9455b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 9465b438c44SThomas Bogendoerfer bool 9475b438c44SThomas Bogendoerfer 948e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 949e2defae5SThomas Bogendoerfer bool 950e2defae5SThomas Bogendoerfer 951e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 952e2defae5SThomas Bogendoerfer bool 953e2defae5SThomas Bogendoerfer 954e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 955e2defae5SThomas Bogendoerfer bool 956e2defae5SThomas Bogendoerfer 957e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 958e2defae5SThomas Bogendoerfer bool 959e2defae5SThomas Bogendoerfer 960e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 961e2defae5SThomas Bogendoerfer bool 962e2defae5SThomas Bogendoerfer 9635e83d430SRalf Baechleconfig ARC32 9645e83d430SRalf Baechle bool 9655e83d430SRalf Baechle 966231a35d3SThomas Bogendoerferconfig SNIPROM 967231a35d3SThomas Bogendoerfer bool 968231a35d3SThomas Bogendoerfer 9691da177e4SLinus Torvaldsconfig BOOT_ELF32 9701da177e4SLinus Torvalds bool 9711da177e4SLinus Torvalds 9721da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9731da177e4SLinus Torvalds int 97473b4390fSRalf Baechle default "4" if MACH_DECSTATION || MIKROTIK_RB532 975a86c7f72SDavid Daney default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 9769267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9771da177e4SLinus Torvalds default "5" 9781da177e4SLinus Torvalds 9791da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9801da177e4SLinus Torvalds bool 9811da177e4SLinus Torvalds 9821da177e4SLinus Torvaldsconfig ARC_CONSOLE 9831da177e4SLinus Torvalds bool "ARC console support" 984e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 9851da177e4SLinus Torvalds 9861da177e4SLinus Torvaldsconfig ARC_MEMORY 9871da177e4SLinus Torvalds bool 98814b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 9891da177e4SLinus Torvalds default y 9901da177e4SLinus Torvalds 9911da177e4SLinus Torvaldsconfig ARC_PROMLIB 9921da177e4SLinus Torvalds bool 993e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 9941da177e4SLinus Torvalds default y 9951da177e4SLinus Torvalds 9961da177e4SLinus Torvaldsconfig ARC64 9971da177e4SLinus Torvalds bool 9981da177e4SLinus Torvalds 9991da177e4SLinus Torvaldsconfig BOOT_ELF64 10001da177e4SLinus Torvalds bool 10011da177e4SLinus Torvalds 10021da177e4SLinus Torvaldsmenu "CPU selection" 10031da177e4SLinus Torvalds 10041da177e4SLinus Torvaldschoice 10051da177e4SLinus Torvalds prompt "CPU type" 10061da177e4SLinus Torvalds default CPU_R4X00 10071da177e4SLinus Torvalds 10082a21c730SFuxin Zhangconfig CPU_LOONGSON2 10092a21c730SFuxin Zhang bool "Loongson 2" 10102a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10112a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10122a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10132a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10142a21c730SFuxin Zhang help 10152a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10162a21c730SFuxin Zhang with many extensions. 10172a21c730SFuxin Zhang 10186e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10196e760c8dSRalf Baechle bool "MIPS32 Release 1" 10207cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1021f7062ddbSRalf Baechle select CPU_HAS_LLSC 10226e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1023797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1024ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10256e760c8dSRalf Baechle help 10265e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10271e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10281e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10291e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10301e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10311e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10321e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10331e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10341e5f1caaSRalf Baechle performance. 10351e5f1caaSRalf Baechle 10361e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10371e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10387cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1039f7062ddbSRalf Baechle select CPU_HAS_LLSC 10401e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1041797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1042ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10431e5f1caaSRalf Baechle help 10445e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10456e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10466e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10476e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10486e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10491da177e4SLinus Torvalds 10506e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10516e760c8dSRalf Baechle bool "MIPS64 Release 1" 10527cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1053f7062ddbSRalf Baechle select CPU_HAS_LLSC 1054797798c1SRalf Baechle select CPU_HAS_PREFETCH 1055ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1056ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1057ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10586e760c8dSRalf Baechle help 10596e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10606e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10616e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10626e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10636e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10641e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10651e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10661e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10671e5f1caaSRalf Baechle performance. 10681e5f1caaSRalf Baechle 10691e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10701e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10717cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1072f7062ddbSRalf Baechle select CPU_HAS_LLSC 1073797798c1SRalf Baechle select CPU_HAS_PREFETCH 10741e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10751e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1076ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10771e5f1caaSRalf Baechle help 10781e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10791e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10801e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10811e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10821e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10831da177e4SLinus Torvalds 10841da177e4SLinus Torvaldsconfig CPU_R3000 10851da177e4SLinus Torvalds bool "R3000" 10867cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1087f7062ddbSRalf Baechle select CPU_HAS_WB 1088ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1089797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10901da177e4SLinus Torvalds help 10911da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 10921da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 10931da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 10941da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 10951da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 10961da177e4SLinus Torvalds try to recompile with R3000. 10971da177e4SLinus Torvalds 10981da177e4SLinus Torvaldsconfig CPU_TX39XX 10991da177e4SLinus Torvalds bool "R39XX" 11007cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1101ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11021da177e4SLinus Torvalds 11031da177e4SLinus Torvaldsconfig CPU_VR41XX 11041da177e4SLinus Torvalds bool "R41xx" 11057cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1106ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1107ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11081da177e4SLinus Torvalds help 11095e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11101da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11111da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11121da177e4SLinus Torvalds processor or vice versa. 11131da177e4SLinus Torvalds 11141da177e4SLinus Torvaldsconfig CPU_R4300 11151da177e4SLinus Torvalds bool "R4300" 11167cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1117f7062ddbSRalf Baechle select CPU_HAS_LLSC 1118ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1119ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11201da177e4SLinus Torvalds help 11211da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11221da177e4SLinus Torvalds 11231da177e4SLinus Torvaldsconfig CPU_R4X00 11241da177e4SLinus Torvalds bool "R4x00" 11257cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 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 R4000-series processors other than 4300, including 11311da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11321da177e4SLinus Torvalds 11331da177e4SLinus Torvaldsconfig CPU_TX49XX 11341da177e4SLinus Torvalds bool "R49XX" 11357cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1136f7062ddbSRalf Baechle select CPU_HAS_LLSC 1137de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1138ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1139ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11401da177e4SLinus Torvalds 11411da177e4SLinus Torvaldsconfig CPU_R5000 11421da177e4SLinus Torvalds bool "R5000" 11437cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1144f7062ddbSRalf Baechle select CPU_HAS_LLSC 1145ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1146ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11471da177e4SLinus Torvalds help 11481da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11491da177e4SLinus Torvalds 11501da177e4SLinus Torvaldsconfig CPU_R5432 11511da177e4SLinus Torvalds bool "R5432" 11527cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1153f7062ddbSRalf Baechle select CPU_HAS_LLSC 11545e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11555e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11561da177e4SLinus Torvalds 1157542c1020SShinya Kuribayashiconfig CPU_R5500 1158542c1020SShinya Kuribayashi bool "R5500" 1159542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1160542c1020SShinya Kuribayashi select CPU_HAS_LLSC 1161542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1162542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 1163542c1020SShinya Kuribayashi help 1164542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1165542c1020SShinya Kuribayashi instruction set. 1166542c1020SShinya Kuribayashi 11671da177e4SLinus Torvaldsconfig CPU_R6000 11681da177e4SLinus Torvalds bool "R6000" 1169ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1170f7062ddbSRalf Baechle select CPU_HAS_LLSC 11717cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1172ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11731da177e4SLinus Torvalds help 11741da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1175c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11761da177e4SLinus Torvalds 11771da177e4SLinus Torvaldsconfig CPU_NEVADA 11781da177e4SLinus Torvalds bool "RM52xx" 11797cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1180f7062ddbSRalf Baechle select CPU_HAS_LLSC 1181ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1182ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11831da177e4SLinus Torvalds help 11841da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11851da177e4SLinus Torvalds 11861da177e4SLinus Torvaldsconfig CPU_R8000 11871da177e4SLinus Torvalds bool "R8000" 1188ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11897cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1190f7062ddbSRalf Baechle select CPU_HAS_LLSC 11915e83d430SRalf Baechle select CPU_HAS_PREFETCH 1192ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11931da177e4SLinus Torvalds help 11941da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 11951da177e4SLinus Torvalds uncommon and the support for them is incomplete. 11961da177e4SLinus Torvalds 11971da177e4SLinus Torvaldsconfig CPU_R10000 11981da177e4SLinus Torvalds bool "R10000" 11997cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1200f7062ddbSRalf Baechle select CPU_HAS_LLSC 12015e83d430SRalf Baechle select CPU_HAS_PREFETCH 1202ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1203ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1204797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12051da177e4SLinus Torvalds help 12061da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12071da177e4SLinus Torvalds 12081da177e4SLinus Torvaldsconfig CPU_RM7000 12091da177e4SLinus Torvalds bool "RM7000" 12107cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1211f7062ddbSRalf Baechle select CPU_HAS_LLSC 12125e83d430SRalf Baechle select CPU_HAS_PREFETCH 1213ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1214ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1215797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12161da177e4SLinus Torvalds 12171da177e4SLinus Torvaldsconfig CPU_RM9000 12181da177e4SLinus Torvalds bool "RM9000" 12197cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1220f7062ddbSRalf Baechle select CPU_HAS_LLSC 12215e83d430SRalf Baechle select CPU_HAS_PREFETCH 1222ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1223ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1224797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12250004a9dfSRalf Baechle select WEAK_ORDERING 12261da177e4SLinus Torvalds 12271da177e4SLinus Torvaldsconfig CPU_SB1 12281da177e4SLinus Torvalds bool "SB1" 12297cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1230f7062ddbSRalf Baechle select CPU_HAS_LLSC 1231ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1232ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1233797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12340004a9dfSRalf Baechle select WEAK_ORDERING 12351da177e4SLinus Torvalds 1236a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1237a86c7f72SDavid Daney bool "Cavium Octeon processor" 12385e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1239a86c7f72SDavid Daney select IRQ_CPU 1240a86c7f72SDavid Daney select IRQ_CPU_OCTEON 1241a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1242a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1243a86c7f72SDavid Daney select SYS_SUPPORTS_SMP 1244a86c7f72SDavid Daney select NR_CPUS_DEFAULT_16 1245a86c7f72SDavid Daney select WEAK_ORDERING 1246a86c7f72SDavid Daney select WEAK_REORDERING_BEYOND_LLSC 1247a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 1248a86c7f72SDavid Daney help 1249a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1250a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1251a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1252a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1253a86c7f72SDavid Daney 12541da177e4SLinus Torvaldsendchoice 12551da177e4SLinus Torvalds 12562a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12572a21c730SFuxin Zhang bool 12582a21c730SFuxin Zhang 12597cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12607cf8053bSRalf Baechle bool 12617cf8053bSRalf Baechle 12627cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12637cf8053bSRalf Baechle bool 12647cf8053bSRalf Baechle 12657cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12667cf8053bSRalf Baechle bool 12677cf8053bSRalf Baechle 12687cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12697cf8053bSRalf Baechle bool 12707cf8053bSRalf Baechle 12717cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12727cf8053bSRalf Baechle bool 12737cf8053bSRalf Baechle 12747cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12757cf8053bSRalf Baechle bool 12767cf8053bSRalf Baechle 12777cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12787cf8053bSRalf Baechle bool 12797cf8053bSRalf Baechle 12807cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12817cf8053bSRalf Baechle bool 12827cf8053bSRalf Baechle 12837cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12847cf8053bSRalf Baechle bool 12857cf8053bSRalf Baechle 12867cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12877cf8053bSRalf Baechle bool 12887cf8053bSRalf Baechle 12897cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12907cf8053bSRalf Baechle bool 12917cf8053bSRalf Baechle 12927cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12937cf8053bSRalf Baechle bool 12947cf8053bSRalf Baechle 1295542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1296542c1020SShinya Kuribayashi bool 1297542c1020SShinya Kuribayashi 12987cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 12997cf8053bSRalf Baechle bool 13007cf8053bSRalf Baechle 13017cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 13027cf8053bSRalf Baechle bool 13037cf8053bSRalf Baechle 13047cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 13057cf8053bSRalf Baechle bool 13067cf8053bSRalf Baechle 13077cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 13087cf8053bSRalf Baechle bool 13097cf8053bSRalf Baechle 13107cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13117cf8053bSRalf Baechle bool 13127cf8053bSRalf Baechle 13137cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13147cf8053bSRalf Baechle bool 13157cf8053bSRalf Baechle 13167cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13177cf8053bSRalf Baechle bool 13187cf8053bSRalf Baechle 13195e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 13205e683389SDavid Daney bool 13215e683389SDavid Daney 132217099b11SRalf Baechle# 132317099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 132417099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 132517099b11SRalf Baechle# 13260004a9dfSRalf Baechleconfig WEAK_ORDERING 13270004a9dfSRalf Baechle bool 132817099b11SRalf Baechle 132917099b11SRalf Baechle# 133017099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 133117099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 133217099b11SRalf Baechle# 133317099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 133417099b11SRalf Baechle bool 13355e83d430SRalf Baechleendmenu 13365e83d430SRalf Baechle 13375e83d430SRalf Baechle# 13385e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13395e83d430SRalf Baechle# 13405e83d430SRalf Baechleconfig CPU_MIPS32 13415e83d430SRalf Baechle bool 13425e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13435e83d430SRalf Baechle 13445e83d430SRalf Baechleconfig CPU_MIPS64 13455e83d430SRalf Baechle bool 13465e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13475e83d430SRalf Baechle 13485e83d430SRalf Baechle# 1349c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13505e83d430SRalf Baechle# 13515e83d430SRalf Baechleconfig CPU_MIPSR1 13525e83d430SRalf Baechle bool 13535e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13545e83d430SRalf Baechle 13555e83d430SRalf Baechleconfig CPU_MIPSR2 13565e83d430SRalf Baechle bool 1357a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 13585e83d430SRalf Baechle 13595e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13605e83d430SRalf Baechle bool 13615e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13625e83d430SRalf Baechle bool 13635e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13645e83d430SRalf Baechle bool 13655e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13665e83d430SRalf Baechle bool 13675e83d430SRalf Baechle 13688192c9eaSDavid Daney# 13698192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 13708192c9eaSDavid Daney# 13718192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 13728192c9eaSDavid Daney bool 1373f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 13748192c9eaSDavid Daney 13755e83d430SRalf Baechlemenu "Kernel type" 13765e83d430SRalf Baechle 13775e83d430SRalf Baechlechoice 13785e83d430SRalf Baechle 13795e83d430SRalf Baechle prompt "Kernel code model" 13805e83d430SRalf Baechle help 13815e83d430SRalf Baechle You should only select this option if you have a workload that 13825e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13835e83d430SRalf Baechle large memory. You will only be presented a single option in this 13845e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13855e83d430SRalf Baechle 13865e83d430SRalf Baechleconfig 32BIT 13875e83d430SRalf Baechle bool "32-bit kernel" 13885e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13895e83d430SRalf Baechle select TRAD_SIGNALS 13905e83d430SRalf Baechle help 13915e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13925e83d430SRalf Baechleconfig 64BIT 13935e83d430SRalf Baechle bool "64-bit kernel" 13945e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1395dbda6ac0SRalf Baechle select HAVE_SYSCALL_WRAPPERS 13965e83d430SRalf Baechle help 13975e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13985e83d430SRalf Baechle 13995e83d430SRalf Baechleendchoice 14005e83d430SRalf Baechle 14011da177e4SLinus Torvaldschoice 14021da177e4SLinus Torvalds prompt "Kernel page size" 14031da177e4SLinus Torvalds default PAGE_SIZE_4KB 14041da177e4SLinus Torvalds 14051da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 14061da177e4SLinus Torvalds bool "4kB" 14071da177e4SLinus Torvalds help 14081da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 14091da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 14101da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 14111da177e4SLinus Torvalds recommended for low memory systems. 14121da177e4SLinus Torvalds 14131da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 14141da177e4SLinus Torvalds bool "8kB" 1415c52399beSRalf Baechle depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 14161da177e4SLinus Torvalds help 14171da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 14181da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1419c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1420c52399beSRalf Baechle suitable Linux distribution to support this. 14211da177e4SLinus Torvalds 14221da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14231da177e4SLinus Torvalds bool "16kB" 1424714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14251da177e4SLinus Torvalds help 14261da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14271da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1428714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1429714bfad6SRalf Baechle Linux distribution to support this. 14301da177e4SLinus Torvalds 1431c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1432c52399beSRalf Baechle bool "32kB" 1433c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1434c52399beSRalf Baechle help 1435c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1436c52399beSRalf Baechle the price of higher memory consumption. This option is available 1437c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1438c52399beSRalf Baechle distribution to support this. 1439c52399beSRalf Baechle 14401da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14411da177e4SLinus Torvalds bool "64kB" 14421da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14431da177e4SLinus Torvalds help 14441da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14451da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14461da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1447714bfad6SRalf Baechle writing this option is still high experimental. 14481da177e4SLinus Torvalds 14491da177e4SLinus Torvaldsendchoice 14501da177e4SLinus Torvalds 14511da177e4SLinus Torvaldsconfig BOARD_SCACHE 14521da177e4SLinus Torvalds bool 14531da177e4SLinus Torvalds 14541da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14551da177e4SLinus Torvalds bool 14561da177e4SLinus Torvalds select BOARD_SCACHE 14571da177e4SLinus Torvalds 14589318c51aSChris Dearman# 14599318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14609318c51aSChris Dearman# 14619318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14629318c51aSChris Dearman bool 14639318c51aSChris Dearman select BOARD_SCACHE 14649318c51aSChris Dearman 14651da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14661da177e4SLinus Torvalds bool 14671da177e4SLinus Torvalds select BOARD_SCACHE 14681da177e4SLinus Torvalds 14691da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14701da177e4SLinus Torvalds bool 14711da177e4SLinus Torvalds select BOARD_SCACHE 14721da177e4SLinus Torvalds 14731da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14741da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14751da177e4SLinus Torvalds depends on CPU_SB1 14761da177e4SLinus Torvalds help 14771da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14781da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14791da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14801da177e4SLinus Torvalds 14811da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1482c8094b53SRalf Baechle bool 14831da177e4SLinus Torvalds 1484340ee4b9SRalf Baechlechoice 1485340ee4b9SRalf Baechle prompt "MIPS MT options" 1486f41ae0b2SRalf Baechle 1487f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1488f41ae0b2SRalf Baechle bool "Disable multithreading support." 1489f41ae0b2SRalf Baechle help 1490f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1491f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1492f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1493f41ae0b2SRalf Baechle option in this menu. 1494340ee4b9SRalf Baechle 149559d6ab86SRalf Baechleconfig MIPS_MT_SMP 149659d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 149759d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 149859d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1499d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 150059d6ab86SRalf Baechle select MIPS_MT 1501f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 150259d6ab86SRalf Baechle select SMP 15030ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 150459d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 150587353d8aSRalf Baechle select SMP_UP 150659d6ab86SRalf Baechle help 150759d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 150859d6ab86SRalf Baechle has been marketesed into SMVP. 150959d6ab86SRalf Baechle 151041c594abSRalf Baechleconfig MIPS_MT_SMTC 151141c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1512f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1513f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1514f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1515f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1516d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1517f41ae0b2SRalf Baechle select MIPS_MT 1518130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 151941c594abSRalf Baechle select SMP 152073b76c78SRalf Baechle select SYS_SUPPORTS_SMP 152187353d8aSRalf Baechle select SMP_UP 1522f41ae0b2SRalf Baechle help 1523f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1524f41ae0b2SRalf Baechle marketesed into SMVP. 152541c594abSRalf Baechle 1526340ee4b9SRalf Baechleendchoice 1527340ee4b9SRalf Baechle 1528f41ae0b2SRalf Baechleconfig MIPS_MT 1529f41ae0b2SRalf Baechle bool 1530f41ae0b2SRalf Baechle 15310ab7aefcSRalf Baechleconfig SCHED_SMT 15320ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15330ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15340ab7aefcSRalf Baechle default n 15350ab7aefcSRalf Baechle help 15360ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15370ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15380ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15390ab7aefcSRalf Baechle 15400ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15410ab7aefcSRalf Baechle bool 15420ab7aefcSRalf Baechle 15430ab7aefcSRalf Baechle 1544f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1545f41ae0b2SRalf Baechle bool 1546f41ae0b2SRalf Baechle 1547f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1548f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1549f088fc84SRalf Baechle default y 155007cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 155107cc0c9eSRalf Baechle 155207cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 155307cc0c9eSRalf Baechle bool "VPE loader support." 155407cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 155507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 155607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 155707cc0c9eSRalf Baechle select MIPS_MT 155807cc0c9eSRalf Baechle help 155907cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 156007cc0c9eSRalf Baechle onto another VPE and running it. 1561f088fc84SRalf Baechle 15620db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15630db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15640db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15658531a35eSKevin D. Kissell default n 15660db34215SKevin D. Kissell help 15670db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15680db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15690db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15700db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15710db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15728531a35eSKevin D. Kissell impact on interrupt service overhead. 15730db34215SKevin D. Kissell 1574f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1575f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1576f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1577f571eff0SKevin D. Kissell default n 1578f571eff0SKevin D. Kissell help 1579f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1580f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1581f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 15828531a35eSKevin D. Kissell platform code. Adds some overhead to interrupt dispatch, and 15838531a35eSKevin D. Kissell should be used only if you know what you are doing. 1584f571eff0SKevin D. Kissell 1585e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1586e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1587e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1588e01402b1SRalf Baechle default y 1589e01402b1SRalf Baechle help 1590e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1591e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1592e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1593e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1594e01402b1SRalf Baechle 1595e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1596e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1597e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1598e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 15995e83d430SRalf Baechle help 1600e01402b1SRalf Baechle 16012600990eSRalf Baechleconfig MIPS_APSP_KSPD 16022600990eSRalf Baechle bool "Enable KSPD" 16032600990eSRalf Baechle depends on MIPS_VPE_APSP_API 16042600990eSRalf Baechle default y 16052600990eSRalf Baechle help 16062600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 16072600990eSRalf Baechle side, actions them and returns the results. It also handles the 16082600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 16092600990eSRalf Baechle exiting. You probably want to say yes here. 16102600990eSRalf Baechle 16114a16ff4cSRalf Baechleconfig MIPS_CMP 16124a16ff4cSRalf Baechle bool "MIPS CMP framework support" 16134a16ff4cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 16144a16ff4cSRalf Baechle select SYNC_R4K if BROKEN 16154a16ff4cSRalf Baechle select SYS_SUPPORTS_SMP 16164a16ff4cSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 16174a16ff4cSRalf Baechle select WEAK_ORDERING 16184a16ff4cSRalf Baechle default n 16194a16ff4cSRalf Baechle help 16204a16ff4cSRalf Baechle This is a placeholder option for the GCMP work. It will need to 16214a16ff4cSRalf Baechle be handled differently... 16224a16ff4cSRalf Baechle 16231da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16241da177e4SLinus Torvalds bool 16251da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16261da177e4SLinus Torvalds default y 16271da177e4SLinus Torvalds 16281da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16291da177e4SLinus Torvalds bool 16301da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16311da177e4SLinus Torvalds default y 16321da177e4SLinus Torvalds 16331da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16341da177e4SLinus Torvalds bool 16351da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16361da177e4SLinus Torvalds default y 16371da177e4SLinus Torvalds 16381da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1639d806cb2bSRalf Baechle bool 16401da177e4SLinus Torvalds 16411da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1642f7062ddbSRalf Baechle bool 16431da177e4SLinus Torvalds 16449693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16459693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16469693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16479693a853SFranck Bui-Huu help 16489693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16499693a853SFranck Bui-Huu increased security at both hardware and software level for 16509693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16519693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16529693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16539693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16549693a853SFranck Bui-Huu here. 16559693a853SFranck Bui-Huu 16561da177e4SLinus Torvaldsconfig CPU_HAS_WB 1657f7062ddbSRalf Baechle bool 1658e01402b1SRalf Baechle 1659f41ae0b2SRalf Baechle# 1660f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1661f41ae0b2SRalf Baechle# 1662e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1663f41ae0b2SRalf Baechle bool 1664e01402b1SRalf Baechle 1665f41ae0b2SRalf Baechle# 1666f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1667f41ae0b2SRalf Baechle# 1668e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1669f41ae0b2SRalf Baechle bool 1670e01402b1SRalf Baechle 16711da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16721da177e4SLinus Torvalds bool 16731da177e4SLinus Torvalds depends on !CPU_R3000 16741da177e4SLinus Torvalds default y 16751da177e4SLinus Torvalds 1676ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1677ea580401SRalf Baechle bool 1678ea580401SRalf Baechle 16791da177e4SLinus Torvalds# 168020d60d99SMaciej W. Rozycki# CPU non-features 168120d60d99SMaciej W. Rozycki# 168220d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 168320d60d99SMaciej W. Rozycki bool 168420d60d99SMaciej W. Rozycki 168520d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 168620d60d99SMaciej W. Rozycki bool 168720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 168820d60d99SMaciej W. Rozycki 168920d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 169020d60d99SMaciej W. Rozycki bool 169120d60d99SMaciej W. Rozycki 169220d60d99SMaciej W. Rozycki# 1693797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1694797798c1SRalf Baechle# 1695797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1696797798c1SRalf Baechle bool 1697797798c1SRalf Baechle default y 1698797798c1SRalf Baechle 1699797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1700797798c1SRalf Baechle bool 1701797798c1SRalf Baechle default y 1702797798c1SRalf Baechle 17030d7012a9SIngo Molnarconfig IRQ_PER_CPU 17040d7012a9SIngo Molnar bool 17050d7012a9SIngo Molnar 1706797798c1SRalf Baechle# 17071da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 17081da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 17091da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 17101da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 17111da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 17121da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 17131da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 17141da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1715797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1716797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1717797798c1SRalf Baechle# support. 17181da177e4SLinus Torvalds# 17191da177e4SLinus Torvaldsconfig HIGHMEM 17201da177e4SLinus Torvalds bool "High Memory Support" 1721797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1722797798c1SRalf Baechle 1723797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1724797798c1SRalf Baechle bool 1725797798c1SRalf Baechle 1726797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1727797798c1SRalf Baechle bool 17281da177e4SLinus Torvalds 17299693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17309693a853SFranck Bui-Huu bool 17319693a853SFranck Bui-Huu 1732b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1733b4819b59SYoichi Yuasa def_bool y 1734b4819b59SYoichi Yuasa depends on !NUMA 1735b4819b59SYoichi Yuasa 1736d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1737d8cb4e11SRalf Baechle bool 1738d8cb4e11SRalf Baechle default y if SGI_IP27 1739d8cb4e11SRalf Baechle help 17403dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1741d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1742d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1743d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1744d8cb4e11SRalf Baechle 1745cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1746cce335aeSRalf Baechle def_bool y 1747cce335aeSRalf Baechle 1748b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1749b1c6cd42SAtsushi Nemoto bool 17507de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 175131473747SAtsushi Nemoto 1752d8cb4e11SRalf Baechleconfig NUMA 1753d8cb4e11SRalf Baechle bool "NUMA Support" 1754d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1755d8cb4e11SRalf Baechle help 1756d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1757d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1758d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1759d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1760d8cb4e11SRalf Baechle disabled. 1761d8cb4e11SRalf Baechle 1762d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1763d8cb4e11SRalf Baechle bool 1764d8cb4e11SRalf Baechle 1765c80d79d7SYasunori Gotoconfig NODES_SHIFT 1766c80d79d7SYasunori Goto int 1767c80d79d7SYasunori Goto default "6" 1768c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1769c80d79d7SYasunori Goto 1770b4819b59SYoichi Yuasasource "mm/Kconfig" 1771b4819b59SYoichi Yuasa 17721da177e4SLinus Torvaldsconfig SMP 17731da177e4SLinus Torvalds bool "Multi-Processing support" 1774e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1775b4b30a5aSRalf Baechle select IRQ_PER_CPU 17762f304c0aSJens Axboe select USE_GENERIC_SMP_HELPERS 1777e73ea273SRalf Baechle help 17781da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17791da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17801da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17811da177e4SLinus Torvalds 17821da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17831da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17841da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17851da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17861da177e4SLinus Torvalds will run faster if you say N here. 17871da177e4SLinus Torvalds 17881da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17891da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17901da177e4SLinus Torvalds 179103502faaSAdrian Bunk See also the SMP-HOWTO available at 179203502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 17931da177e4SLinus Torvalds 17941da177e4SLinus Torvalds If you don't know what to do here, say N. 17951da177e4SLinus Torvalds 179687353d8aSRalf Baechleconfig SMP_UP 179787353d8aSRalf Baechle bool 179887353d8aSRalf Baechle 17994a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 18004a16ff4cSRalf Baechle bool 18014a16ff4cSRalf Baechle 1802e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1803e73ea273SRalf Baechle bool 1804e73ea273SRalf Baechle 180572ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 180672ede9b1SAtsushi Nemoto bool 180772ede9b1SAtsushi Nemoto 1808130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1809130e2fb7SRalf Baechle bool 1810130e2fb7SRalf Baechle 1811130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1812130e2fb7SRalf Baechle bool 1813130e2fb7SRalf Baechle 1814130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1815130e2fb7SRalf Baechle bool 1816130e2fb7SRalf Baechle 1817130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1818130e2fb7SRalf Baechle bool 1819130e2fb7SRalf Baechle 1820130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1821130e2fb7SRalf Baechle bool 1822130e2fb7SRalf Baechle 1823130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1824130e2fb7SRalf Baechle bool 1825130e2fb7SRalf Baechle 18261da177e4SLinus Torvaldsconfig NR_CPUS 18271da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 182872ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 18291da177e4SLinus Torvalds depends on SMP 183072ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1831130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1832130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1833130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1834130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1835130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1836130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18371da177e4SLinus Torvalds help 18381da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18391da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18401da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 184172ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 184272ede9b1SAtsushi Nemoto and 2 for all others. 18431da177e4SLinus Torvalds 18441da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 184572ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 184672ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 184772ede9b1SAtsushi Nemoto power of two. 18481da177e4SLinus Torvalds 1849c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1850c4eee283SAtsushi Nemoto 18511723b4a3SAtsushi Nemoto# 18521723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18531723b4a3SAtsushi Nemoto# 18541723b4a3SAtsushi Nemoto 18551723b4a3SAtsushi Nemotochoice 18561723b4a3SAtsushi Nemoto prompt "Timer frequency" 18571723b4a3SAtsushi Nemoto default HZ_250 18581723b4a3SAtsushi Nemoto help 18591723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18601723b4a3SAtsushi Nemoto 18611723b4a3SAtsushi Nemoto config HZ_48 18620f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 18631723b4a3SAtsushi Nemoto 18641723b4a3SAtsushi Nemoto config HZ_100 18651723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18661723b4a3SAtsushi Nemoto 18671723b4a3SAtsushi Nemoto config HZ_128 18681723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18691723b4a3SAtsushi Nemoto 18701723b4a3SAtsushi Nemoto config HZ_250 18711723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18721723b4a3SAtsushi Nemoto 18731723b4a3SAtsushi Nemoto config HZ_256 18741723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18751723b4a3SAtsushi Nemoto 18761723b4a3SAtsushi Nemoto config HZ_1000 18771723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18781723b4a3SAtsushi Nemoto 18791723b4a3SAtsushi Nemoto config HZ_1024 18801723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18811723b4a3SAtsushi Nemoto 18821723b4a3SAtsushi Nemotoendchoice 18831723b4a3SAtsushi Nemoto 18841723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18851723b4a3SAtsushi Nemoto bool 18861723b4a3SAtsushi Nemoto 18871723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18881723b4a3SAtsushi Nemoto bool 18891723b4a3SAtsushi Nemoto 18901723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18911723b4a3SAtsushi Nemoto bool 18921723b4a3SAtsushi Nemoto 18931723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18941723b4a3SAtsushi Nemoto bool 18951723b4a3SAtsushi Nemoto 18961723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18971723b4a3SAtsushi Nemoto bool 18981723b4a3SAtsushi Nemoto 18991723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 19001723b4a3SAtsushi Nemoto bool 19011723b4a3SAtsushi Nemoto 19021723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 19031723b4a3SAtsushi Nemoto bool 19041723b4a3SAtsushi Nemoto 19051723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 19061723b4a3SAtsushi Nemoto bool 19071723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 19081723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 19091723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 19101723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 19111723b4a3SAtsushi Nemoto 19121723b4a3SAtsushi Nemotoconfig HZ 19131723b4a3SAtsushi Nemoto int 19141723b4a3SAtsushi Nemoto default 48 if HZ_48 19151723b4a3SAtsushi Nemoto default 100 if HZ_100 19161723b4a3SAtsushi Nemoto default 128 if HZ_128 19171723b4a3SAtsushi Nemoto default 250 if HZ_250 19181723b4a3SAtsushi Nemoto default 256 if HZ_256 19191723b4a3SAtsushi Nemoto default 1000 if HZ_1000 19201723b4a3SAtsushi Nemoto default 1024 if HZ_1024 19211723b4a3SAtsushi Nemoto 1922e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 19231da177e4SLinus Torvalds 19241da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 19251da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1926875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 19271da177e4SLinus Torvalds help 19281da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 19291da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 19301da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 19311da177e4SLinus Torvalds This will result in additional memory usage, so it is not 19321da177e4SLinus Torvalds recommended for normal users. 19331da177e4SLinus Torvalds 1934ea6e942bSAtsushi Nemotoconfig KEXEC 1935ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1936ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1937ea6e942bSAtsushi Nemoto help 1938ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1939ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19403dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1941ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1942ea6e942bSAtsushi Nemoto 194301dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1944ea6e942bSAtsushi Nemoto 1945ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1946ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1947ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1948ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1949ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1950ea6e942bSAtsushi Nemoto 1951ea6e942bSAtsushi Nemotoconfig SECCOMP 1952ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1953293c5bd1SRalf Baechle depends on PROC_FS 1954ea6e942bSAtsushi Nemoto default y 1955ea6e942bSAtsushi Nemoto help 1956ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1957ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1958ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1959ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1960ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1961ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1962ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1963ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1964ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1965ea6e942bSAtsushi Nemoto 1966ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1967ea6e942bSAtsushi Nemoto 19685e83d430SRalf Baechleendmenu 19695e83d430SRalf Baechle 19701df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19711df0f0ffSAtsushi Nemoto bool 19721df0f0ffSAtsushi Nemoto default y 19731df0f0ffSAtsushi Nemoto 19741df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19751df0f0ffSAtsushi Nemoto bool 19761df0f0ffSAtsushi Nemoto default y 19771df0f0ffSAtsushi Nemoto 1978b6c3539bSRalf Baechlesource "init/Kconfig" 1979b6c3539bSRalf Baechle 19800011036bSAtsushi Nemotoconfig PROBE_INITRD_HEADER 19810011036bSAtsushi Nemoto bool "Probe initrd header created by addinitrd" 19820011036bSAtsushi Nemoto depends on BLK_DEV_INITRD 19830011036bSAtsushi Nemoto help 19840011036bSAtsushi Nemoto Probe initrd header at the last page of kernel image. 19850011036bSAtsushi Nemoto Say Y here if you are using arch/mips/boot/addinitrd.c to 19860011036bSAtsushi Nemoto add initrd or initramfs image to the kernel image. 19870011036bSAtsushi Nemoto Otherwise, say N. 19880011036bSAtsushi Nemoto 1989dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 1990dc52ddc0SMatt Helsley 19911da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19921da177e4SLinus Torvalds 19935e83d430SRalf Baechleconfig HW_HAS_EISA 19945e83d430SRalf Baechle bool 19951da177e4SLinus Torvaldsconfig HW_HAS_PCI 19961da177e4SLinus Torvalds bool 19971da177e4SLinus Torvalds 19981da177e4SLinus Torvaldsconfig PCI 19991da177e4SLinus Torvalds bool "Support for PCI controller" 20001da177e4SLinus Torvalds depends on HW_HAS_PCI 2001abb4ae46SRalf Baechle select PCI_DOMAINS 20021da177e4SLinus Torvalds help 20031da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 20041da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 20051da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 20061da177e4SLinus Torvalds say Y, otherwise N. 20071da177e4SLinus Torvalds 20081da177e4SLinus Torvaldsconfig PCI_DOMAINS 20091da177e4SLinus Torvalds bool 20101da177e4SLinus Torvalds 20111da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 20121da177e4SLinus Torvalds 20131da177e4SLinus Torvalds# 20141da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 20151da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 20161da177e4SLinus Torvalds# users to choose the right thing ... 20171da177e4SLinus Torvalds# 20181da177e4SLinus Torvaldsconfig ISA 20191da177e4SLinus Torvalds bool 20201da177e4SLinus Torvalds 20211da177e4SLinus Torvaldsconfig EISA 20221da177e4SLinus Torvalds bool "EISA support" 20235e83d430SRalf Baechle depends on HW_HAS_EISA 20241da177e4SLinus Torvalds select ISA 2025aa414dffSRalf Baechle select GENERIC_ISA_DMA 20261da177e4SLinus Torvalds ---help--- 20271da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20281da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20291da177e4SLinus Torvalds 20301da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20311da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20321da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20331da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20341da177e4SLinus Torvalds 20351da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20361da177e4SLinus Torvalds 20371da177e4SLinus Torvalds Otherwise, say N. 20381da177e4SLinus Torvalds 20391da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20401da177e4SLinus Torvalds 20411da177e4SLinus Torvaldsconfig TC 20421da177e4SLinus Torvalds bool "TURBOchannel support" 20431da177e4SLinus Torvalds depends on MACH_DECSTATION 20441da177e4SLinus Torvalds help 20451da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20461da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20471da177e4SLinus Torvalds is available at: 20481da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20491da177e4SLinus Torvalds 20501da177e4SLinus Torvalds#config ACCESSBUS 20511da177e4SLinus Torvalds# bool "Access.Bus support" 20521da177e4SLinus Torvalds# depends on TC 20531da177e4SLinus Torvalds 20541da177e4SLinus Torvaldsconfig MMU 20551da177e4SLinus Torvalds bool 20561da177e4SLinus Torvalds default y 20571da177e4SLinus Torvalds 2058d865bea4SRalf Baechleconfig I8253 2059d865bea4SRalf Baechle bool 2060d865bea4SRalf Baechle 2061cce335aeSRalf Baechleconfig ZONE_DMA32 2062cce335aeSRalf Baechle bool 2063cce335aeSRalf Baechle 20641da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20651da177e4SLinus Torvalds 20661da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20671da177e4SLinus Torvalds 20681da177e4SLinus Torvaldsendmenu 20691da177e4SLinus Torvalds 20701da177e4SLinus Torvaldsmenu "Executable file formats" 20711da177e4SLinus Torvalds 20721da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20731da177e4SLinus Torvalds 20741da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20751da177e4SLinus Torvalds bool 20761da177e4SLinus Torvalds 20771da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20781da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2079875d43e7SRalf Baechle depends on 64BIT 20801da177e4SLinus Torvalds help 20811da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20821da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20831da177e4SLinus Torvalds currently 32-bit you should say Y here. 20841da177e4SLinus Torvalds 20851da177e4SLinus Torvaldsconfig COMPAT 20861da177e4SLinus Torvalds bool 20871da177e4SLinus Torvalds depends on MIPS32_COMPAT 20881da177e4SLinus Torvalds default y 20891da177e4SLinus Torvalds 209005e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 209105e43966SAtsushi Nemoto bool 209205e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 209305e43966SAtsushi Nemoto default y 209405e43966SAtsushi Nemoto 20951da177e4SLinus Torvaldsconfig MIPS32_O32 20961da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20971da177e4SLinus Torvalds depends on MIPS32_COMPAT 20981da177e4SLinus Torvalds help 20991da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 21001da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 21011da177e4SLinus Torvalds existing binaries are in this format. 21021da177e4SLinus Torvalds 21031da177e4SLinus Torvalds If unsure, say Y. 21041da177e4SLinus Torvalds 21051da177e4SLinus Torvaldsconfig MIPS32_N32 21061da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 21071da177e4SLinus Torvalds depends on MIPS32_COMPAT 21081da177e4SLinus Torvalds help 21091da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 21101da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 21111da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 21121da177e4SLinus Torvalds cases. 21131da177e4SLinus Torvalds 21141da177e4SLinus Torvalds If unsure, say N. 21151da177e4SLinus Torvalds 21161da177e4SLinus Torvaldsconfig BINFMT_ELF32 21171da177e4SLinus Torvalds bool 21181da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 21191da177e4SLinus Torvalds 21202116245eSRalf Baechleendmenu 21211da177e4SLinus Torvalds 21222116245eSRalf Baechlemenu "Power management options" 2123952fa954SRodolfo Giometti 2124f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2125f4cb5700SJohannes Berg def_bool y 2126f4cb5700SJohannes Berg depends on !SMP 2127f4cb5700SJohannes Berg 21282116245eSRalf Baechlesource "kernel/power/Kconfig" 2129952fa954SRodolfo Giometti 21301da177e4SLinus Torvaldsendmenu 21311da177e4SLinus Torvalds 2132d5950b43SSam Ravnborgsource "net/Kconfig" 2133d5950b43SSam Ravnborg 21341da177e4SLinus Torvaldssource "drivers/Kconfig" 21351da177e4SLinus Torvalds 21361da177e4SLinus Torvaldssource "fs/Kconfig" 21371da177e4SLinus Torvalds 21381da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21391da177e4SLinus Torvalds 21401da177e4SLinus Torvaldssource "security/Kconfig" 21411da177e4SLinus Torvalds 21421da177e4SLinus Torvaldssource "crypto/Kconfig" 21431da177e4SLinus Torvalds 21441da177e4SLinus Torvaldssource "lib/Kconfig" 2145