11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4ec7748b5SSam Ravnborg select HAVE_IDE 542d4b839SMathieu Desnoyers select HAVE_OPROFILE 688547001SJason Wessel select HAVE_ARCH_KGDB 71da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 81da177e4SLinus Torvalds select EMBEDDED 990b02340SRalf Baechle select RTC_LIB 101da177e4SLinus Torvalds 111da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 121da177e4SLinus Torvalds 131da177e4SLinus Torvaldsmenu "Machine selection" 141da177e4SLinus Torvalds 155ac6da66SChristoph Lameterconfig ZONE_DMA 165ac6da66SChristoph Lameter bool 175ac6da66SChristoph Lameter 185e83d430SRalf Baechlechoice 195e83d430SRalf Baechle prompt "System type" 205e83d430SRalf Baechle default SGI_IP22 211da177e4SLinus Torvalds 22c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 23c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 241da177e4SLinus Torvalds 2535189fadSRalf Baechleconfig BASLER_EXCITE 26be91589eSThomas Koeller bool "Basler eXcite smart camera" 2742f77542SRalf Baechle select CEVT_R4K 28940f6b48SRalf Baechle select CSRC_R4K 2935189fadSRalf Baechle select DMA_COHERENT 3035189fadSRalf Baechle select HW_HAS_PCI 3135189fadSRalf Baechle select IRQ_CPU 3235189fadSRalf Baechle select IRQ_CPU_RM7K 3335189fadSRalf Baechle select IRQ_CPU_RM9K 34663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3535189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3635189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3735189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3835189fadSRalf Baechle help 3935189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 40be91589eSThomas Koeller Basler Vision Technologies AG. 4135189fadSRalf Baechle 421c0c13ebSAurelien Jarnoconfig BCM47XX 431c0c13ebSAurelien Jarno bool "BCM47XX based boards" 4442f77542SRalf Baechle select CEVT_R4K 45940f6b48SRalf Baechle select CSRC_R4K 461c0c13ebSAurelien Jarno select DMA_NONCOHERENT 471c0c13ebSAurelien Jarno select HW_HAS_PCI 481c0c13ebSAurelien Jarno select IRQ_CPU 491c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 501c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 511c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 521c0c13ebSAurelien Jarno select SSB 531c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 542f02c15aSAurelien Jarno select SSB_DRIVER_EXTIF 55b06f3e19SAurelien Jarno select SSB_EMBEDDED 562f02c15aSAurelien Jarno select SSB_PCICORE_HOSTMODE if PCI 571c0c13ebSAurelien Jarno select GENERIC_GPIO 5825e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 5925e5fb97SAurelien Jarno select CFE 601c0c13ebSAurelien Jarno help 611c0c13ebSAurelien Jarno Support for BCM47XX based boards 621c0c13ebSAurelien Jarno 631da177e4SLinus Torvaldsconfig MIPS_COBALT 643fa986faSMartin Michlmayr bool "Cobalt Server" 6542f77542SRalf Baechle select CEVT_R4K 66940f6b48SRalf Baechle select CSRC_R4K 671097c6acSYoichi Yuasa select CEVT_GT641XX 681da177e4SLinus Torvalds select DMA_NONCOHERENT 691da177e4SLinus Torvalds select HW_HAS_PCI 70d865bea4SRalf Baechle select I8253 711da177e4SLinus Torvalds select I8259 721da177e4SLinus Torvalds select IRQ_CPU 73d5ab1a69SYoichi Yuasa select IRQ_GT641XX 74252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 75e25bfc92SYoichi Yuasa select PCI 767cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 770a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 78ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 790e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 805e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 811da177e4SLinus Torvalds 821da177e4SLinus Torvaldsconfig MACH_DECSTATION 833fa986faSMartin Michlmayr bool "DECstations" 841da177e4SLinus Torvalds select BOOT_ELF32 856457d9fcSYoichi Yuasa select CEVT_DS1287 8642f77542SRalf Baechle select CEVT_R4K 874247417dSYoichi Yuasa select CSRC_IOASIC 88940f6b48SRalf Baechle select CSRC_R4K 8920d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 9020d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 9120d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 921da177e4SLinus Torvalds select DMA_NONCOHERENT 93d388d685SMaciej W. Rozycki select NO_IOPORT 941da177e4SLinus Torvalds select IRQ_CPU 957cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 967cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 97ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 98ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 995e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1001723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 1011723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 1021723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 1035e83d430SRalf Baechle help 1041da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1051da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1061da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1071da177e4SLinus Torvalds 1081da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1091da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1101da177e4SLinus Torvalds 1111da177e4SLinus Torvalds DECstation 5000/50 1121da177e4SLinus Torvalds DECstation 5000/150 1131da177e4SLinus Torvalds DECstation 5000/260 1141da177e4SLinus Torvalds DECsystem 5900/260 1151da177e4SLinus Torvalds 1161da177e4SLinus Torvalds otherwise choose R3000. 1171da177e4SLinus Torvalds 1185e83d430SRalf Baechleconfig MACH_JAZZ 1193fa986faSMartin Michlmayr bool "Jazz family of machines" 1205e83d430SRalf Baechle select ARC 1215e83d430SRalf Baechle select ARC32 1225e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 12342f77542SRalf Baechle select CEVT_R4K 124940f6b48SRalf Baechle select CSRC_R4K 125e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1265e83d430SRalf Baechle select GENERIC_ISA_DMA 127ea202c63SThomas Bogendoerfer select IRQ_CPU 128d865bea4SRalf Baechle select I8253 1295e83d430SRalf Baechle select I8259 1305e83d430SRalf Baechle select ISA 1317cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1325e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1335e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1341723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1351da177e4SLinus Torvalds help 1365e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1375e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 138692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 1395e83d430SRalf Baechle Olivetti M700-10 workstations. 1405e83d430SRalf Baechle 1411f21d2bdSBrian Murphyconfig LASAT 1421f21d2bdSBrian Murphy bool "LASAT Networks platforms" 14342f77542SRalf Baechle select CEVT_R4K 144940f6b48SRalf Baechle select CSRC_R4K 1451f21d2bdSBrian Murphy select DMA_NONCOHERENT 1461f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1471f21d2bdSBrian Murphy select HW_HAS_PCI 148a5ccfe5cSRalf Baechle select IRQ_CPU 1491f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1501f21d2bdSBrian Murphy select MIPS_NILE4 1511f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1521f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1531f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1541f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1551f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1561f21d2bdSBrian Murphy 157ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 158ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 159ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 16042f77542SRalf Baechle select CEVT_R4K 161940f6b48SRalf Baechle select CSRC_R4K 162ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 163ade299d8SYoichi Yuasa select DMA_NONCOHERENT 164ade299d8SYoichi Yuasa select BOOT_ELF32 165ade299d8SYoichi Yuasa select BOARD_SCACHE 166ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 167ade299d8SYoichi Yuasa select HW_HAS_PCI 168ade299d8SYoichi Yuasa select I8259 169ade299d8SYoichi Yuasa select ISA 170ade299d8SYoichi Yuasa select IRQ_CPU 171ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 172ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 173ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 174ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 175ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 17623dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 177ade299d8SYoichi Yuasa select CPU_HAS_WB 178ade299d8SYoichi Yuasa help 179ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 180ade299d8SYoichi Yuasa an FPGA northbridge 181ade299d8SYoichi Yuasa 1821da177e4SLinus Torvaldsconfig MIPS_MALTA 1833fa986faSMartin Michlmayr bool "MIPS Malta board" 18461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1851da177e4SLinus Torvalds select BOOT_ELF32 186fa71c960SRalf Baechle select BOOT_RAW 18742f77542SRalf Baechle select CEVT_R4K 188940f6b48SRalf Baechle select CSRC_R4K 1891da177e4SLinus Torvalds select DMA_NONCOHERENT 1901da177e4SLinus Torvalds select GENERIC_ISA_DMA 191aa414dffSRalf Baechle select IRQ_CPU 19239b8d525SRalf Baechle select IRQ_GIC 1931da177e4SLinus Torvalds select HW_HAS_PCI 194d865bea4SRalf Baechle select I8253 1951da177e4SLinus Torvalds select I8259 1965e83d430SRalf Baechle select MIPS_BOARDS_GEN 1975e83d430SRalf Baechle select MIPS_BONITO64 1989318c51aSChris Dearman select MIPS_CPU_SCACHE 199252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2005e83d430SRalf Baechle select MIPS_MSC 2011da177e4SLinus Torvalds select SWAP_IO_SPACE 2027cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2037cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2047cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2057cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2067cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 20736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 208ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 209ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2105e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2115e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2124a16ff4cSRalf Baechle select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken 213f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2149693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2151da177e4SLinus Torvalds help 216f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2171da177e4SLinus Torvalds board. 2181da177e4SLinus Torvalds 219c78cbf49SRalf Baechleconfig MIPS_SIM 2203fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 22142f77542SRalf Baechle select CEVT_R4K 222940f6b48SRalf Baechle select CSRC_R4K 223c78cbf49SRalf Baechle select DMA_NONCOHERENT 22436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 225c78cbf49SRalf Baechle select IRQ_CPU 2269267a30dSMarc St-Jean select BOOT_RAW 2277cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2287cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 22936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 230c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 231c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 232f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 233c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 234c78cbf49SRalf Baechle help 235c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 236c78cbf49SRalf Baechle emulator. 237c78cbf49SRalf Baechle 238a83860c2SRalf Baechleconfig NEC_MARKEINS 239a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 240a83860c2SRalf Baechle select SOC_EMMA2RH 241a83860c2SRalf Baechle select HW_HAS_PCI 242a83860c2SRalf Baechle help 243a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 244ade299d8SYoichi Yuasa 2455e83d430SRalf Baechleconfig MACH_VR41XX 24674142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 24742f77542SRalf Baechle select CEVT_R4K 248940f6b48SRalf Baechle select CSRC_R4K 2497cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2505e83d430SRalf Baechle 251edb6310aSDaniel Lairdconfig NXP_STB220 252edb6310aSDaniel Laird bool "NXP STB220 board" 253edb6310aSDaniel Laird select SOC_PNX833X 254edb6310aSDaniel Laird help 255edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 256edb6310aSDaniel Laird 257edb6310aSDaniel Lairdconfig NXP_STB225 258edb6310aSDaniel Laird bool "NXP 225 board" 259edb6310aSDaniel Laird select SOC_PNX833X 260edb6310aSDaniel Laird select SOC_PNX8335 261edb6310aSDaniel Laird help 262edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 263edb6310aSDaniel Laird 264ade299d8SYoichi Yuasaconfig PNX8550_JBS 265a92b0588SDaniel Laird bool "NXP PNX8550 based JBS board" 266ade299d8SYoichi Yuasa select PNX8550 267ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 268ade299d8SYoichi Yuasa 269ade299d8SYoichi Yuasaconfig PNX8550_STB810 270a92b0588SDaniel Laird bool "NXP PNX8550 based STB810 board" 271ade299d8SYoichi Yuasa select PNX8550 272ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 273ade299d8SYoichi Yuasa 2749267a30dSMarc St-Jeanconfig PMC_MSP 2759267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 2769267a30dSMarc St-Jean depends on EXPERIMENTAL 2779267a30dSMarc St-Jean select DMA_NONCOHERENT 2789267a30dSMarc St-Jean select SWAP_IO_SPACE 2799267a30dSMarc St-Jean select NO_EXCEPT_FILL 2809267a30dSMarc St-Jean select BOOT_RAW 2819267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 2829267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 2839267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 2849267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 2859267a30dSMarc St-Jean select IRQ_CPU 2869267a30dSMarc St-Jean select SERIAL_8250 2879267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 2889267a30dSMarc St-Jean help 2899267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 2909267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 2919267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 2929267a30dSMarc St-Jean a variety of MIPS cores. 2939267a30dSMarc St-Jean 2945e83d430SRalf Baechleconfig PMC_YOSEMITE 2953fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 29642f77542SRalf Baechle select CEVT_R4K 297940f6b48SRalf Baechle select CSRC_R4K 2985e83d430SRalf Baechle select DMA_COHERENT 2995e83d430SRalf Baechle select HW_HAS_PCI 3005e83d430SRalf Baechle select IRQ_CPU 3015e83d430SRalf Baechle select IRQ_CPU_RM7K 3025e83d430SRalf Baechle select IRQ_CPU_RM9K 3035e83d430SRalf Baechle select SWAP_IO_SPACE 3047cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 30536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3065e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3075e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3085e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3095e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 310e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3115e83d430SRalf Baechle help 3125e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3135e83d430SRalf Baechle manufactured by PMC-Sierra. 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvaldsconfig SGI_IP22 3163fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3171da177e4SLinus Torvalds select ARC 3181da177e4SLinus Torvalds select ARC32 3191da177e4SLinus Torvalds select BOOT_ELF32 32042f77542SRalf Baechle select CEVT_R4K 321940f6b48SRalf Baechle select CSRC_R4K 322e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3231da177e4SLinus Torvalds select DMA_NONCOHERENT 3245e83d430SRalf Baechle select HW_HAS_EISA 325d865bea4SRalf Baechle select I8253 32668de4803SThomas Bogendoerfer select I8259 3271da177e4SLinus Torvalds select IP22_CPU_SCACHE 3281da177e4SLinus Torvalds select IRQ_CPU 329aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 330e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 331e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 33236e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 333e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 334e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 335e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3361da177e4SLinus Torvalds select SWAP_IO_SPACE 3377cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3387cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 33936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 340ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 341ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3425e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3431da177e4SLinus Torvalds help 3441da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3451da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3461da177e4SLinus Torvalds that runs on these, say Y here. 3471da177e4SLinus Torvalds 3481da177e4SLinus Torvaldsconfig SGI_IP27 3493fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3501da177e4SLinus Torvalds select ARC 3511da177e4SLinus Torvalds select ARC64 3525e83d430SRalf Baechle select BOOT_ELF64 353e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 354634286f1SRalf Baechle select DMA_COHERENT 35536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3561da177e4SLinus Torvalds select HW_HAS_PCI 357130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3587cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 359ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3605e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 361d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3621a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 3631da177e4SLinus Torvalds help 3641da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3651da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3661da177e4SLinus Torvalds here. 3671da177e4SLinus Torvalds 368e2defae5SThomas Bogendoerferconfig SGI_IP28 369e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 370e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 371e2defae5SThomas Bogendoerfer select ARC 372e2defae5SThomas Bogendoerfer select ARC64 373e2defae5SThomas Bogendoerfer select BOOT_ELF64 374e2defae5SThomas Bogendoerfer select CEVT_R4K 375e2defae5SThomas Bogendoerfer select CSRC_R4K 376e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 377e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 378e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 379e2defae5SThomas Bogendoerfer select IRQ_CPU 380e2defae5SThomas Bogendoerfer select HW_HAS_EISA 381e2defae5SThomas Bogendoerfer select I8253 382e2defae5SThomas Bogendoerfer select I8259 383e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 384e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 3855b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 386e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 387e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 388e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 389e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 390e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 391e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 392e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 393e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 394e2defae5SThomas Bogendoerfer help 395e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 396e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 397e2defae5SThomas Bogendoerfer 3981da177e4SLinus Torvaldsconfig SGI_IP32 399cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4001da177e4SLinus Torvalds select ARC 4011da177e4SLinus Torvalds select ARC32 4021da177e4SLinus Torvalds select BOOT_ELF32 40342f77542SRalf Baechle select CEVT_R4K 404940f6b48SRalf Baechle select CSRC_R4K 4051da177e4SLinus Torvalds select DMA_NONCOHERENT 4061da177e4SLinus Torvalds select HW_HAS_PCI 407dd67b155SRalf Baechle select IRQ_CPU 4081da177e4SLinus Torvalds select R5000_CPU_SCACHE 4091da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4107cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4117cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4127cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 413dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 414ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4155e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4161da177e4SLinus Torvalds help 4171da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4181da177e4SLinus Torvalds 419ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 420ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4215e83d430SRalf Baechle depends on EXPERIMENTAL 4225e83d430SRalf Baechle select BOOT_ELF32 4235e83d430SRalf Baechle select DMA_COHERENT 4245e83d430SRalf Baechle select SIBYTE_BCM1120 4255e83d430SRalf Baechle select SWAP_IO_SPACE 4267cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4275e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4285e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4295e83d430SRalf Baechle 430ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 431ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4325e83d430SRalf Baechle depends on EXPERIMENTAL 4335e83d430SRalf Baechle select BOOT_ELF32 4345e83d430SRalf Baechle select DMA_COHERENT 4355e83d430SRalf Baechle select SIBYTE_BCM1120 4365e83d430SRalf Baechle select SWAP_IO_SPACE 4377cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4385e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4405e83d430SRalf Baechle 4415e83d430SRalf Baechleconfig SIBYTE_CRHONE 4423fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4435e83d430SRalf Baechle depends on EXPERIMENTAL 4445e83d430SRalf Baechle select BOOT_ELF32 4455e83d430SRalf Baechle select DMA_COHERENT 4465e83d430SRalf Baechle select SIBYTE_BCM1125 4475e83d430SRalf Baechle select SWAP_IO_SPACE 4487cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4495e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4505e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4515e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4525e83d430SRalf Baechle 453ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 454ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 455ade299d8SYoichi Yuasa depends on EXPERIMENTAL 456ade299d8SYoichi Yuasa select BOOT_ELF32 457ade299d8SYoichi Yuasa select DMA_COHERENT 458ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 459ade299d8SYoichi Yuasa select SWAP_IO_SPACE 460ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 461ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 462ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 463ade299d8SYoichi Yuasa 464ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 465ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 466ade299d8SYoichi Yuasa select BOOT_ELF32 467ade299d8SYoichi Yuasa select DMA_COHERENT 468ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 469ade299d8SYoichi Yuasa select SIBYTE_SB1250 470ade299d8SYoichi Yuasa select SWAP_IO_SPACE 471ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 472ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 473ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 474ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 475cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 476ade299d8SYoichi Yuasa 477ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 478ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 479ade299d8SYoichi Yuasa depends on EXPERIMENTAL 480ade299d8SYoichi Yuasa select BOOT_ELF32 481ade299d8SYoichi Yuasa select DMA_COHERENT 482ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 483ade299d8SYoichi Yuasa select SIBYTE_SB1250 484ade299d8SYoichi Yuasa select SWAP_IO_SPACE 485ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 486ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 487ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 488ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 489ade299d8SYoichi Yuasa 490ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 491ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 492ade299d8SYoichi Yuasa depends on EXPERIMENTAL 493ade299d8SYoichi Yuasa select BOOT_ELF32 494ade299d8SYoichi Yuasa select DMA_COHERENT 495ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 496ade299d8SYoichi Yuasa select SIBYTE_SB1250 497ade299d8SYoichi Yuasa select SWAP_IO_SPACE 498ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 499ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 500ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 501ade299d8SYoichi Yuasa 502ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 503ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 504ade299d8SYoichi Yuasa select BOOT_ELF32 505ade299d8SYoichi Yuasa select DMA_COHERENT 506ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 507ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 508ade299d8SYoichi Yuasa select SWAP_IO_SPACE 509ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 510ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 511651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 512ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 513cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 514ade299d8SYoichi Yuasa 51514b36af4SThomas Bogendoerferconfig SNI_RM 51614b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5174a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5184a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 519231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5205e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5215e83d430SRalf Baechle select BOOT_ELF32 52242f77542SRalf Baechle select CEVT_R4K 523940f6b48SRalf Baechle select CSRC_R4K 524e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5255e83d430SRalf Baechle select DMA_NONCOHERENT 5265e83d430SRalf Baechle select GENERIC_ISA_DMA 5275e83d430SRalf Baechle select HW_HAS_EISA 5285e83d430SRalf Baechle select HW_HAS_PCI 529c066a32aSThomas Bogendoerfer select IRQ_CPU 530d865bea4SRalf Baechle select I8253 5315e83d430SRalf Baechle select I8259 5325e83d430SRalf Baechle select ISA 5334a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5347cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5354a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 536c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5374a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 53836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 539ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5405e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5414a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5425e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5441da177e4SLinus Torvalds help 54514b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 54614b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5475e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5485e83d430SRalf Baechle support this machine type. 5491da177e4SLinus Torvalds 550edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 551edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 5525e83d430SRalf Baechle 553edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 554edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 55523fbee9dSRalf Baechle 55673b4390fSRalf Baechleconfig MIKROTIK_RB532 55773b4390fSRalf Baechle bool "Mikrotik RB532 boards" 55873b4390fSRalf Baechle select CEVT_R4K 55973b4390fSRalf Baechle select CSRC_R4K 56073b4390fSRalf Baechle select DMA_NONCOHERENT 56173b4390fSRalf Baechle select HW_HAS_PCI 56273b4390fSRalf Baechle select IRQ_CPU 56373b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 56473b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 56573b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 56673b4390fSRalf Baechle select SWAP_IO_SPACE 56773b4390fSRalf Baechle select BOOT_RAW 568d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 56973b4390fSRalf Baechle help 57073b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 57173b4390fSRalf Baechle based on the IDT RC32434 SoC. 57273b4390fSRalf Baechle 573ade299d8SYoichi Yuasaconfig WR_PPMC 574ade299d8SYoichi Yuasa bool "Wind River PPMC board" 57542f77542SRalf Baechle select CEVT_R4K 576940f6b48SRalf Baechle select CSRC_R4K 577ade299d8SYoichi Yuasa select IRQ_CPU 578ade299d8SYoichi Yuasa select BOOT_ELF32 579ade299d8SYoichi Yuasa select DMA_NONCOHERENT 580ade299d8SYoichi Yuasa select HW_HAS_PCI 581ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 582ade299d8SYoichi Yuasa select SWAP_IO_SPACE 583ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 584ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 585ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 586ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 587ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 588ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 589ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 590ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 591ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 592ade299d8SYoichi Yuasa help 593ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 594ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 595ade299d8SYoichi Yuasa 596a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_SIMULATOR 597c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon Simulator" 598a86c7f72SDavid Daney select CEVT_R4K 599a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 600a86c7f72SDavid Daney select DMA_COHERENT 601a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 602a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 603a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 604*773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 6055e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 606a86c7f72SDavid Daney help 607a86c7f72SDavid Daney The Octeon simulator is software performance model of the Cavium 608a86c7f72SDavid Daney Octeon Processor. It supports simulating Octeon processors on x86 609a86c7f72SDavid Daney hardware. 610a86c7f72SDavid Daney 611a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_REFERENCE_BOARD 612c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon reference board" 613a86c7f72SDavid Daney select CEVT_R4K 614a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 615a86c7f72SDavid Daney select DMA_COHERENT 616a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 617a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 618a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 619*773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 620a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 6215e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 622a86c7f72SDavid Daney select SWAP_IO_SPACE 623e8635b48SDavid Daney select HW_HAS_PCI 624e8635b48SDavid Daney select ARCH_SUPPORTS_MSI 625a86c7f72SDavid Daney help 626a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 627a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 628a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 629a86c7f72SDavid Daney Some of the supported boards are: 630a86c7f72SDavid Daney EBT3000 631a86c7f72SDavid Daney EBH3000 632a86c7f72SDavid Daney EBH3100 633a86c7f72SDavid Daney Thunder 634a86c7f72SDavid Daney Kodama 635a86c7f72SDavid Daney Hikari 636a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 637a86c7f72SDavid Daney 6381da177e4SLinus Torvaldsendchoice 6391da177e4SLinus Torvalds 640e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 6419c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 6425e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6431f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6445e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 64529c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 64638b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 64722b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 6485e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 649a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 65038b18f72SRalf Baechle 6515e83d430SRalf Baechleendmenu 6525e83d430SRalf Baechle 6531da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6541da177e4SLinus Torvalds bool 6551da177e4SLinus Torvalds default y 6561da177e4SLinus Torvalds 6571da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6581da177e4SLinus Torvalds bool 6591da177e4SLinus Torvalds 660f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 661f0d1b0b3SDavid Howells bool 662f0d1b0b3SDavid Howells default n 663f0d1b0b3SDavid Howells 664f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 665f0d1b0b3SDavid Howells bool 666f0d1b0b3SDavid Howells default n 667f0d1b0b3SDavid Howells 66800a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 66900a58253SRalf Baechle bool 67000a58253SRalf Baechle default y if !MIPS_MT_SMTC 67100a58253SRalf Baechle 6723c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6733c9ee7efSAkinobu Mita bool 6743c9ee7efSAkinobu Mita default y 6753c9ee7efSAkinobu Mita 6763c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6773c9ee7efSAkinobu Mita bool 6783c9ee7efSAkinobu Mita default y 6793c9ee7efSAkinobu Mita 6801da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6811da177e4SLinus Torvalds bool 6821da177e4SLinus Torvalds default y 6831da177e4SLinus Torvalds 6847bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 6857bcf7717SRalf Baechle bool 6867bcf7717SRalf Baechle default y 6877bcf7717SRalf Baechle 6888db02010SRalf Baechleconfig GENERIC_TIME 6898db02010SRalf Baechle bool 6908db02010SRalf Baechle default y 6918db02010SRalf Baechle 692f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 693f5ff0a28SRalf Baechle bool 694f5ff0a28SRalf Baechle default y 695f5ff0a28SRalf Baechle 696ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 6971cc89038SAtsushi Nemoto bool 6981cc89038SAtsushi Nemoto default y 6991cc89038SAtsushi Nemoto 700e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 701c87e0909SRalf Baechle def_bool y 702e77c232cSFranck Bui-Huu 7031da177e4SLinus Torvalds# 7041da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7051da177e4SLinus Torvalds# 7061da177e4SLinus Torvaldsconfig ARC 7071da177e4SLinus Torvalds bool 7081da177e4SLinus Torvalds 70961ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 71061ed242dSRalf Baechle bool 71161ed242dSRalf Baechle 7129267a30dSMarc St-Jeanconfig BOOT_RAW 7139267a30dSMarc St-Jean bool 7149267a30dSMarc St-Jean 715217dd11eSRalf Baechleconfig CEVT_BCM1480 716217dd11eSRalf Baechle bool 717217dd11eSRalf Baechle 7186457d9fcSYoichi Yuasaconfig CEVT_DS1287 7196457d9fcSYoichi Yuasa bool 7206457d9fcSYoichi Yuasa 7211097c6acSYoichi Yuasaconfig CEVT_GT641XX 7221097c6acSYoichi Yuasa bool 7231097c6acSYoichi Yuasa 724779e7d41SManuel Laussconfig CEVT_R4K_LIB 725779e7d41SManuel Lauss bool 726779e7d41SManuel Lauss 72742f77542SRalf Baechleconfig CEVT_R4K 728779e7d41SManuel Lauss select CEVT_R4K_LIB 72942f77542SRalf Baechle bool 73042f77542SRalf Baechle 731217dd11eSRalf Baechleconfig CEVT_SB1250 732217dd11eSRalf Baechle bool 733217dd11eSRalf Baechle 734229f773eSAtsushi Nemotoconfig CEVT_TXX9 735229f773eSAtsushi Nemoto bool 736229f773eSAtsushi Nemoto 737217dd11eSRalf Baechleconfig CSRC_BCM1480 738217dd11eSRalf Baechle bool 739217dd11eSRalf Baechle 7404247417dSYoichi Yuasaconfig CSRC_IOASIC 7414247417dSYoichi Yuasa bool 7424247417dSYoichi Yuasa 743779e7d41SManuel Laussconfig CSRC_R4K_LIB 744779e7d41SManuel Lauss bool 745779e7d41SManuel Lauss 746940f6b48SRalf Baechleconfig CSRC_R4K 747779e7d41SManuel Lauss select CSRC_R4K_LIB 748940f6b48SRalf Baechle bool 749940f6b48SRalf Baechle 750217dd11eSRalf Baechleconfig CSRC_SB1250 751217dd11eSRalf Baechle bool 752217dd11eSRalf Baechle 753a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 754a9aec7feSAtsushi Nemoto select GENERIC_GPIO 7557444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 756a9aec7feSAtsushi Nemoto bool 757a9aec7feSAtsushi Nemoto 758df78b5c8SAurelien Jarnoconfig CFE 759df78b5c8SAurelien Jarno bool 760df78b5c8SAurelien Jarno 7611da177e4SLinus Torvaldsconfig DMA_COHERENT 7621da177e4SLinus Torvalds bool 7631da177e4SLinus Torvalds 7641da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7651da177e4SLinus Torvalds bool 7664ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7674ce588cdSRalf Baechle 7684ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7694ce588cdSRalf Baechle bool 7701da177e4SLinus Torvalds 7711da177e4SLinus Torvaldsconfig EARLY_PRINTK 77236a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 77336a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 77436a88530SRalf Baechle default y 77536a88530SRalf Baechle help 77636a88530SRalf Baechle This option enables special console drivers which allow the kernel 77736a88530SRalf Baechle to print messages very early in the bootup process. 77836a88530SRalf Baechle 77936a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 780490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 781490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 782490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 78336a88530SRalf Baechle unless you want to debug such a crash. 78436a88530SRalf Baechle 78536a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7861da177e4SLinus Torvalds bool 7871da177e4SLinus Torvalds 788dbb74540SRalf Baechleconfig HOTPLUG_CPU 7891b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 7901b2bc75cSRalf Baechle depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU 7911b2bc75cSRalf Baechle help 7921b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 7931b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 7941b2bc75cSRalf Baechle (Note: power management support will enable this option 7951b2bc75cSRalf Baechle automatically on SMP systems. ) 7961b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 7971b2bc75cSRalf Baechle 7981b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 799dbb74540SRalf Baechle bool 800dbb74540SRalf Baechle 8011da177e4SLinus Torvaldsconfig I8259 8021da177e4SLinus Torvalds bool 8031da177e4SLinus Torvalds 8041da177e4SLinus Torvaldsconfig MIPS_BONITO64 8051da177e4SLinus Torvalds bool 8061da177e4SLinus Torvalds 8071da177e4SLinus Torvaldsconfig MIPS_MSC 8081da177e4SLinus Torvalds bool 8091da177e4SLinus Torvalds 8101f21d2bdSBrian Murphyconfig MIPS_NILE4 8111f21d2bdSBrian Murphy bool 8121f21d2bdSBrian Murphy 8131da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8141da177e4SLinus Torvalds bool 8151da177e4SLinus Torvalds 81639b8d525SRalf Baechleconfig SYNC_R4K 81739b8d525SRalf Baechle bool 81839b8d525SRalf Baechle 819d388d685SMaciej W. Rozyckiconfig NO_IOPORT 820d388d685SMaciej W. Rozycki def_bool n 821d388d685SMaciej W. Rozycki 8228313da30SRalf Baechleconfig GENERIC_ISA_DMA 8238313da30SRalf Baechle bool 8248313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8258313da30SRalf Baechle 826aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 827aa414dffSRalf Baechle bool 8288313da30SRalf Baechle select GENERIC_ISA_DMA 829aa414dffSRalf Baechle 83009663335SYoichi Yuasaconfig GENERIC_GPIO 83109663335SYoichi Yuasa bool 83209663335SYoichi Yuasa 8335e83d430SRalf Baechle# 8343cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8355e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8365e83d430SRalf Baechle# choice statement should be more obvious to the user. 8375e83d430SRalf Baechle# 8385e83d430SRalf Baechlechoice 8395e83d430SRalf Baechle prompt "Endianess selection" 8401da177e4SLinus Torvalds help 8411da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8425e83d430SRalf Baechle byte order. These modes require different kernels and a different 8433cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8445e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8453dde6ad8SDavid Sterba one or the other endianness. 8465e83d430SRalf Baechle 8475e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8485e83d430SRalf Baechle bool "Big endian" 8495e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8505e83d430SRalf Baechle 8515e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8525e83d430SRalf Baechle bool "Little endian" 8535e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8545e83d430SRalf Baechle help 8555e83d430SRalf Baechle 8565e83d430SRalf Baechleendchoice 8575e83d430SRalf Baechle 8582116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8592116245eSRalf Baechle bool 8602116245eSRalf Baechle 8615e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8625e83d430SRalf Baechle bool 8635e83d430SRalf Baechle 8645e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8655e83d430SRalf Baechle bool 8661da177e4SLinus Torvalds 8679cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 8689cffd154SDavid Daney bool 8699cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 8709cffd154SDavid Daney default y 8719cffd154SDavid Daney 8721da177e4SLinus Torvaldsconfig IRQ_CPU 8731da177e4SLinus Torvalds bool 8741da177e4SLinus Torvalds 8751da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8761da177e4SLinus Torvalds bool 8771da177e4SLinus Torvalds 8785e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8795e83d430SRalf Baechle bool 8805e83d430SRalf Baechle 8819267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8829267a30dSMarc St-Jean bool 8839267a30dSMarc St-Jean 8849267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8859267a30dSMarc St-Jean bool 8869267a30dSMarc St-Jean 8878420fd00SAtsushi Nemotoconfig IRQ_TXX9 8888420fd00SAtsushi Nemoto bool 8898420fd00SAtsushi Nemoto 890d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 891d5ab1a69SYoichi Yuasa bool 892d5ab1a69SYoichi Yuasa 89339b8d525SRalf Baechleconfig IRQ_GIC 89439b8d525SRalf Baechle bool 89539b8d525SRalf Baechle 896a86c7f72SDavid Daneyconfig IRQ_CPU_OCTEON 897a86c7f72SDavid Daney bool 898a86c7f72SDavid Daney 8991da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9001da177e4SLinus Torvalds bool 9011da177e4SLinus Torvalds 902252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9031da177e4SLinus Torvalds bool 9041da177e4SLinus Torvalds 9059267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9069267a30dSMarc St-Jean bool 9079267a30dSMarc St-Jean 908663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 909663c3d90Sthomas@koeller.dyndns.org bool 910663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 911663c3d90Sthomas@koeller.dyndns.org 912a83860c2SRalf Baechleconfig SOC_EMMA2RH 913a83860c2SRalf Baechle bool 914a83860c2SRalf Baechle select CEVT_R4K 915a83860c2SRalf Baechle select CSRC_R4K 916a83860c2SRalf Baechle select DMA_NONCOHERENT 917a83860c2SRalf Baechle select IRQ_CPU 918a83860c2SRalf Baechle select SWAP_IO_SPACE 919a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 920a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 921a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 922a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 923a83860c2SRalf Baechle 924edb6310aSDaniel Lairdconfig SOC_PNX833X 925edb6310aSDaniel Laird bool 926edb6310aSDaniel Laird select CEVT_R4K 927edb6310aSDaniel Laird select CSRC_R4K 928edb6310aSDaniel Laird select IRQ_CPU 929edb6310aSDaniel Laird select DMA_NONCOHERENT 930edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 931edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 932edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 933edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 934edb6310aSDaniel Laird select GENERIC_GPIO 935edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 936edb6310aSDaniel Laird 937edb6310aSDaniel Lairdconfig SOC_PNX8335 938edb6310aSDaniel Laird bool 939edb6310aSDaniel Laird select SOC_PNX833X 940edb6310aSDaniel Laird 941bdf21b18SPete Popovconfig PNX8550 942bdf21b18SPete Popov bool 943bdf21b18SPete Popov select SOC_PNX8550 944bdf21b18SPete Popov 945bdf21b18SPete Popovconfig SOC_PNX8550 946bdf21b18SPete Popov bool 947bdf21b18SPete Popov select DMA_NONCOHERENT 948bdf21b18SPete Popov select HW_HAS_PCI 949b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 95036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9517cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 9524ead1681SFlorian Fainelli select GENERIC_GPIO 953bdf21b18SPete Popov 9541da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9551da177e4SLinus Torvalds bool 9561da177e4SLinus Torvalds 957663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 958663c3d90Sthomas@koeller.dyndns.org bool 959663c3d90Sthomas@koeller.dyndns.org 960e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 961e2defae5SThomas Bogendoerfer bool 962e2defae5SThomas Bogendoerfer 9635b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 9645b438c44SThomas Bogendoerfer bool 9655b438c44SThomas Bogendoerfer 966e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 967e2defae5SThomas Bogendoerfer bool 968e2defae5SThomas Bogendoerfer 969e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 970e2defae5SThomas Bogendoerfer bool 971e2defae5SThomas Bogendoerfer 972e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 973e2defae5SThomas Bogendoerfer bool 974e2defae5SThomas Bogendoerfer 975e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 976e2defae5SThomas Bogendoerfer bool 977e2defae5SThomas Bogendoerfer 978e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 979e2defae5SThomas Bogendoerfer bool 980e2defae5SThomas Bogendoerfer 9815e83d430SRalf Baechleconfig ARC32 9825e83d430SRalf Baechle bool 9835e83d430SRalf Baechle 984231a35d3SThomas Bogendoerferconfig SNIPROM 985231a35d3SThomas Bogendoerfer bool 986231a35d3SThomas Bogendoerfer 9871da177e4SLinus Torvaldsconfig BOOT_ELF32 9881da177e4SLinus Torvalds bool 9891da177e4SLinus Torvalds 9901da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9911da177e4SLinus Torvalds int 99273b4390fSRalf Baechle default "4" if MACH_DECSTATION || MIKROTIK_RB532 993a86c7f72SDavid Daney default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 9949267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9951da177e4SLinus Torvalds default "5" 9961da177e4SLinus Torvalds 9971da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9981da177e4SLinus Torvalds bool 9991da177e4SLinus Torvalds 10001da177e4SLinus Torvaldsconfig ARC_CONSOLE 10011da177e4SLinus Torvalds bool "ARC console support" 1002e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 10031da177e4SLinus Torvalds 10041da177e4SLinus Torvaldsconfig ARC_MEMORY 10051da177e4SLinus Torvalds bool 100614b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10071da177e4SLinus Torvalds default y 10081da177e4SLinus Torvalds 10091da177e4SLinus Torvaldsconfig ARC_PROMLIB 10101da177e4SLinus Torvalds bool 1011e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10121da177e4SLinus Torvalds default y 10131da177e4SLinus Torvalds 10141da177e4SLinus Torvaldsconfig ARC64 10151da177e4SLinus Torvalds bool 10161da177e4SLinus Torvalds 10171da177e4SLinus Torvaldsconfig BOOT_ELF64 10181da177e4SLinus Torvalds bool 10191da177e4SLinus Torvalds 10201da177e4SLinus Torvaldsmenu "CPU selection" 10211da177e4SLinus Torvalds 10221da177e4SLinus Torvaldschoice 10231da177e4SLinus Torvalds prompt "CPU type" 10241da177e4SLinus Torvalds default CPU_R4X00 10251da177e4SLinus Torvalds 10262a21c730SFuxin Zhangconfig CPU_LOONGSON2 10272a21c730SFuxin Zhang bool "Loongson 2" 10282a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10292a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10302a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10312a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10322a21c730SFuxin Zhang help 10332a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10342a21c730SFuxin Zhang with many extensions. 10352a21c730SFuxin Zhang 10366e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10376e760c8dSRalf Baechle bool "MIPS32 Release 1" 10387cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1039f7062ddbSRalf Baechle select CPU_HAS_LLSC 10406e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1041797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1042ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10436e760c8dSRalf Baechle help 10445e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10451e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10461e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10471e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10481e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10491e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10501e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10511e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10521e5f1caaSRalf Baechle performance. 10531e5f1caaSRalf Baechle 10541e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10551e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10567cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1057f7062ddbSRalf Baechle select CPU_HAS_LLSC 10581e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1059797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1060ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10611e5f1caaSRalf Baechle help 10625e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10636e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10646e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10656e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10666e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10671da177e4SLinus Torvalds 10686e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10696e760c8dSRalf Baechle bool "MIPS64 Release 1" 10707cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1071f7062ddbSRalf Baechle select CPU_HAS_LLSC 1072797798c1SRalf Baechle select CPU_HAS_PREFETCH 1073ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1074ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1075ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10769cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 10776e760c8dSRalf Baechle help 10786e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10796e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10806e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10816e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10826e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10831e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10841e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10851e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10861e5f1caaSRalf Baechle performance. 10871e5f1caaSRalf Baechle 10881e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10891e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10907cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1091f7062ddbSRalf Baechle select CPU_HAS_LLSC 1092797798c1SRalf Baechle select CPU_HAS_PREFETCH 10931e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10941e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1095ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10969cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 10971e5f1caaSRalf Baechle help 10981e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10991e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11001e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11011e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11021e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11031da177e4SLinus Torvalds 11041da177e4SLinus Torvaldsconfig CPU_R3000 11051da177e4SLinus Torvalds bool "R3000" 11067cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1107f7062ddbSRalf Baechle select CPU_HAS_WB 1108ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1109797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11101da177e4SLinus Torvalds help 11111da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11121da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11131da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11141da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11151da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11161da177e4SLinus Torvalds try to recompile with R3000. 11171da177e4SLinus Torvalds 11181da177e4SLinus Torvaldsconfig CPU_TX39XX 11191da177e4SLinus Torvalds bool "R39XX" 11207cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1121ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11221da177e4SLinus Torvalds 11231da177e4SLinus Torvaldsconfig CPU_VR41XX 11241da177e4SLinus Torvalds bool "R41xx" 11257cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1126ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1127ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11281da177e4SLinus Torvalds help 11295e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11301da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11311da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11321da177e4SLinus Torvalds processor or vice versa. 11331da177e4SLinus Torvalds 11341da177e4SLinus Torvaldsconfig CPU_R4300 11351da177e4SLinus Torvalds bool "R4300" 11367cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1137f7062ddbSRalf Baechle select CPU_HAS_LLSC 1138ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1139ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11401da177e4SLinus Torvalds help 11411da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11421da177e4SLinus Torvalds 11431da177e4SLinus Torvaldsconfig CPU_R4X00 11441da177e4SLinus Torvalds bool "R4x00" 11457cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1146f7062ddbSRalf Baechle select CPU_HAS_LLSC 1147ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1148ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11491da177e4SLinus Torvalds help 11501da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11511da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11521da177e4SLinus Torvalds 11531da177e4SLinus Torvaldsconfig CPU_TX49XX 11541da177e4SLinus Torvalds bool "R49XX" 11557cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1156f7062ddbSRalf Baechle select CPU_HAS_LLSC 1157de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1158ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1159ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11601da177e4SLinus Torvalds 11611da177e4SLinus Torvaldsconfig CPU_R5000 11621da177e4SLinus Torvalds bool "R5000" 11637cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1164f7062ddbSRalf Baechle select CPU_HAS_LLSC 1165ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1166ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11671da177e4SLinus Torvalds help 11681da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11691da177e4SLinus Torvalds 11701da177e4SLinus Torvaldsconfig CPU_R5432 11711da177e4SLinus Torvalds bool "R5432" 11727cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1173f7062ddbSRalf Baechle select CPU_HAS_LLSC 11745e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11755e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11761da177e4SLinus Torvalds 1177542c1020SShinya Kuribayashiconfig CPU_R5500 1178542c1020SShinya Kuribayashi bool "R5500" 1179542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1180542c1020SShinya Kuribayashi select CPU_HAS_LLSC 1181542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1182542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 11839cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1184542c1020SShinya Kuribayashi help 1185542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1186542c1020SShinya Kuribayashi instruction set. 1187542c1020SShinya Kuribayashi 11881da177e4SLinus Torvaldsconfig CPU_R6000 11891da177e4SLinus Torvalds bool "R6000" 1190ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1191f7062ddbSRalf Baechle select CPU_HAS_LLSC 11927cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1193ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11941da177e4SLinus Torvalds help 11951da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1196c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11971da177e4SLinus Torvalds 11981da177e4SLinus Torvaldsconfig CPU_NEVADA 11991da177e4SLinus Torvalds bool "RM52xx" 12007cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1201f7062ddbSRalf Baechle select CPU_HAS_LLSC 1202ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1203ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12041da177e4SLinus Torvalds help 12051da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvaldsconfig CPU_R8000 12081da177e4SLinus Torvalds bool "R8000" 1209ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12107cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1211f7062ddbSRalf Baechle select CPU_HAS_LLSC 12125e83d430SRalf Baechle select CPU_HAS_PREFETCH 1213ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12141da177e4SLinus Torvalds help 12151da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12161da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12171da177e4SLinus Torvalds 12181da177e4SLinus Torvaldsconfig CPU_R10000 12191da177e4SLinus Torvalds bool "R10000" 12207cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1221f7062ddbSRalf Baechle select CPU_HAS_LLSC 12225e83d430SRalf Baechle select CPU_HAS_PREFETCH 1223ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1224ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1225797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12261da177e4SLinus Torvalds help 12271da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12281da177e4SLinus Torvalds 12291da177e4SLinus Torvaldsconfig CPU_RM7000 12301da177e4SLinus Torvalds bool "RM7000" 12317cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1232f7062ddbSRalf Baechle select CPU_HAS_LLSC 12335e83d430SRalf Baechle select CPU_HAS_PREFETCH 1234ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1235ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1236797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12371da177e4SLinus Torvalds 12381da177e4SLinus Torvaldsconfig CPU_RM9000 12391da177e4SLinus Torvalds bool "RM9000" 12407cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1241f7062ddbSRalf Baechle select CPU_HAS_LLSC 12425e83d430SRalf Baechle select CPU_HAS_PREFETCH 1243ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1244ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1245797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12460004a9dfSRalf Baechle select WEAK_ORDERING 12471da177e4SLinus Torvalds 12481da177e4SLinus Torvaldsconfig CPU_SB1 12491da177e4SLinus Torvalds bool "SB1" 12507cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1251f7062ddbSRalf Baechle select CPU_HAS_LLSC 1252ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1253ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1254797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12550004a9dfSRalf Baechle select WEAK_ORDERING 12561da177e4SLinus Torvalds 1257a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1258a86c7f72SDavid Daney bool "Cavium Octeon processor" 12595e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1260a86c7f72SDavid Daney select IRQ_CPU 1261a86c7f72SDavid Daney select IRQ_CPU_OCTEON 1262a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1263a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1264a86c7f72SDavid Daney select SYS_SUPPORTS_SMP 1265a86c7f72SDavid Daney select NR_CPUS_DEFAULT_16 1266a86c7f72SDavid Daney select WEAK_ORDERING 1267a86c7f72SDavid Daney select WEAK_REORDERING_BEYOND_LLSC 1268a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 12699cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1270a86c7f72SDavid Daney help 1271a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1272a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1273a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1274a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1275a86c7f72SDavid Daney 12761da177e4SLinus Torvaldsendchoice 12771da177e4SLinus Torvalds 12782a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12792a21c730SFuxin Zhang bool 12802a21c730SFuxin Zhang 12817cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12827cf8053bSRalf Baechle bool 12837cf8053bSRalf Baechle 12847cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12857cf8053bSRalf Baechle bool 12867cf8053bSRalf Baechle 12877cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12887cf8053bSRalf Baechle bool 12897cf8053bSRalf Baechle 12907cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12917cf8053bSRalf Baechle bool 12927cf8053bSRalf Baechle 12937cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12947cf8053bSRalf Baechle bool 12957cf8053bSRalf Baechle 12967cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12977cf8053bSRalf Baechle bool 12987cf8053bSRalf Baechle 12997cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 13007cf8053bSRalf Baechle bool 13017cf8053bSRalf Baechle 13027cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 13037cf8053bSRalf Baechle bool 13047cf8053bSRalf Baechle 13057cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 13067cf8053bSRalf Baechle bool 13077cf8053bSRalf Baechle 13087cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 13097cf8053bSRalf Baechle bool 13107cf8053bSRalf Baechle 13117cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 13127cf8053bSRalf Baechle bool 13137cf8053bSRalf Baechle 13147cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 13157cf8053bSRalf Baechle bool 13167cf8053bSRalf Baechle 1317542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1318542c1020SShinya Kuribayashi bool 1319542c1020SShinya Kuribayashi 13207cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 13217cf8053bSRalf Baechle bool 13227cf8053bSRalf Baechle 13237cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 13247cf8053bSRalf Baechle bool 13257cf8053bSRalf Baechle 13267cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 13277cf8053bSRalf Baechle bool 13287cf8053bSRalf Baechle 13297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 13307cf8053bSRalf Baechle bool 13317cf8053bSRalf Baechle 13327cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13337cf8053bSRalf Baechle bool 13347cf8053bSRalf Baechle 13357cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13367cf8053bSRalf Baechle bool 13377cf8053bSRalf Baechle 13387cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13397cf8053bSRalf Baechle bool 13407cf8053bSRalf Baechle 13415e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 13425e683389SDavid Daney bool 13435e683389SDavid Daney 134417099b11SRalf Baechle# 134517099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 134617099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 134717099b11SRalf Baechle# 13480004a9dfSRalf Baechleconfig WEAK_ORDERING 13490004a9dfSRalf Baechle bool 135017099b11SRalf Baechle 135117099b11SRalf Baechle# 135217099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 135317099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 135417099b11SRalf Baechle# 135517099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 135617099b11SRalf Baechle bool 13575e83d430SRalf Baechleendmenu 13585e83d430SRalf Baechle 13595e83d430SRalf Baechle# 13605e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13615e83d430SRalf Baechle# 13625e83d430SRalf Baechleconfig CPU_MIPS32 13635e83d430SRalf Baechle bool 13645e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13655e83d430SRalf Baechle 13665e83d430SRalf Baechleconfig CPU_MIPS64 13675e83d430SRalf Baechle bool 13685e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13695e83d430SRalf Baechle 13705e83d430SRalf Baechle# 1371c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13725e83d430SRalf Baechle# 13735e83d430SRalf Baechleconfig CPU_MIPSR1 13745e83d430SRalf Baechle bool 13755e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13765e83d430SRalf Baechle 13775e83d430SRalf Baechleconfig CPU_MIPSR2 13785e83d430SRalf Baechle bool 1379a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 13805e83d430SRalf Baechle 13815e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13825e83d430SRalf Baechle bool 13835e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13845e83d430SRalf Baechle bool 13855e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13865e83d430SRalf Baechle bool 13875e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13885e83d430SRalf Baechle bool 13899cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 13909cffd154SDavid Daney bool 13915e83d430SRalf Baechle 13928192c9eaSDavid Daney# 13938192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 13948192c9eaSDavid Daney# 13958192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 13968192c9eaSDavid Daney bool 1397f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 13988192c9eaSDavid Daney 13995e83d430SRalf Baechlemenu "Kernel type" 14005e83d430SRalf Baechle 14015e83d430SRalf Baechlechoice 14025e83d430SRalf Baechle 14035e83d430SRalf Baechle prompt "Kernel code model" 14045e83d430SRalf Baechle help 14055e83d430SRalf Baechle You should only select this option if you have a workload that 14065e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 14075e83d430SRalf Baechle large memory. You will only be presented a single option in this 14085e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 14095e83d430SRalf Baechle 14105e83d430SRalf Baechleconfig 32BIT 14115e83d430SRalf Baechle bool "32-bit kernel" 14125e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 14135e83d430SRalf Baechle select TRAD_SIGNALS 14145e83d430SRalf Baechle help 14155e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 14165e83d430SRalf Baechleconfig 64BIT 14175e83d430SRalf Baechle bool "64-bit kernel" 14185e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1419dbda6ac0SRalf Baechle select HAVE_SYSCALL_WRAPPERS 14205e83d430SRalf Baechle help 14215e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 14225e83d430SRalf Baechle 14235e83d430SRalf Baechleendchoice 14245e83d430SRalf Baechle 14251da177e4SLinus Torvaldschoice 14261da177e4SLinus Torvalds prompt "Kernel page size" 14271da177e4SLinus Torvalds default PAGE_SIZE_4KB 14281da177e4SLinus Torvalds 14291da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 14301da177e4SLinus Torvalds bool "4kB" 14311da177e4SLinus Torvalds help 14321da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 14331da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 14341da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 14351da177e4SLinus Torvalds recommended for low memory systems. 14361da177e4SLinus Torvalds 14371da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 14381da177e4SLinus Torvalds bool "8kB" 1439c52399beSRalf Baechle depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 14401da177e4SLinus Torvalds help 14411da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 14421da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1443c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1444c52399beSRalf Baechle suitable Linux distribution to support this. 14451da177e4SLinus Torvalds 14461da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14471da177e4SLinus Torvalds bool "16kB" 1448714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14491da177e4SLinus Torvalds help 14501da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14511da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1452714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1453714bfad6SRalf Baechle Linux distribution to support this. 14541da177e4SLinus Torvalds 1455c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1456c52399beSRalf Baechle bool "32kB" 1457c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1458c52399beSRalf Baechle help 1459c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1460c52399beSRalf Baechle the price of higher memory consumption. This option is available 1461c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1462c52399beSRalf Baechle distribution to support this. 1463c52399beSRalf Baechle 14641da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14651da177e4SLinus Torvalds bool "64kB" 14661da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14671da177e4SLinus Torvalds help 14681da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14691da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14701da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1471714bfad6SRalf Baechle writing this option is still high experimental. 14721da177e4SLinus Torvalds 14731da177e4SLinus Torvaldsendchoice 14741da177e4SLinus Torvalds 14751da177e4SLinus Torvaldsconfig BOARD_SCACHE 14761da177e4SLinus Torvalds bool 14771da177e4SLinus Torvalds 14781da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14791da177e4SLinus Torvalds bool 14801da177e4SLinus Torvalds select BOARD_SCACHE 14811da177e4SLinus Torvalds 14829318c51aSChris Dearman# 14839318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14849318c51aSChris Dearman# 14859318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14869318c51aSChris Dearman bool 14879318c51aSChris Dearman select BOARD_SCACHE 14889318c51aSChris Dearman 14891da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14901da177e4SLinus Torvalds bool 14911da177e4SLinus Torvalds select BOARD_SCACHE 14921da177e4SLinus Torvalds 14931da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14941da177e4SLinus Torvalds bool 14951da177e4SLinus Torvalds select BOARD_SCACHE 14961da177e4SLinus Torvalds 14971da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14981da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14991da177e4SLinus Torvalds depends on CPU_SB1 15001da177e4SLinus Torvalds help 15011da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 15021da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 15031da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 15041da177e4SLinus Torvalds 15051da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1506c8094b53SRalf Baechle bool 15071da177e4SLinus Torvalds 1508340ee4b9SRalf Baechlechoice 1509340ee4b9SRalf Baechle prompt "MIPS MT options" 1510f41ae0b2SRalf Baechle 1511f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1512f41ae0b2SRalf Baechle bool "Disable multithreading support." 1513f41ae0b2SRalf Baechle help 1514f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1515f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1516f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1517f41ae0b2SRalf Baechle option in this menu. 1518340ee4b9SRalf Baechle 151959d6ab86SRalf Baechleconfig MIPS_MT_SMP 152059d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 152159d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 152259d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1523d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 152459d6ab86SRalf Baechle select MIPS_MT 1525f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 152659d6ab86SRalf Baechle select SMP 15270ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 152859d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 152987353d8aSRalf Baechle select SMP_UP 153059d6ab86SRalf Baechle help 153159d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 153259d6ab86SRalf Baechle has been marketesed into SMVP. 153359d6ab86SRalf Baechle 153441c594abSRalf Baechleconfig MIPS_MT_SMTC 153541c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1536f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1537f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1538f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1539f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1540d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1541f41ae0b2SRalf Baechle select MIPS_MT 1542130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 154341c594abSRalf Baechle select SMP 154473b76c78SRalf Baechle select SYS_SUPPORTS_SMP 154587353d8aSRalf Baechle select SMP_UP 1546f41ae0b2SRalf Baechle help 1547f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1548f41ae0b2SRalf Baechle marketesed into SMVP. 154941c594abSRalf Baechle 1550340ee4b9SRalf Baechleendchoice 1551340ee4b9SRalf Baechle 1552f41ae0b2SRalf Baechleconfig MIPS_MT 1553f41ae0b2SRalf Baechle bool 1554f41ae0b2SRalf Baechle 15550ab7aefcSRalf Baechleconfig SCHED_SMT 15560ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15570ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15580ab7aefcSRalf Baechle default n 15590ab7aefcSRalf Baechle help 15600ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15610ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15620ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15630ab7aefcSRalf Baechle 15640ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15650ab7aefcSRalf Baechle bool 15660ab7aefcSRalf Baechle 15670ab7aefcSRalf Baechle 1568f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1569f41ae0b2SRalf Baechle bool 1570f41ae0b2SRalf Baechle 1571f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1572f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1573f088fc84SRalf Baechle default y 157407cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 157507cc0c9eSRalf Baechle 157607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 157707cc0c9eSRalf Baechle bool "VPE loader support." 157807cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 157907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 158007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 158107cc0c9eSRalf Baechle select MIPS_MT 158207cc0c9eSRalf Baechle help 158307cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 158407cc0c9eSRalf Baechle onto another VPE and running it. 1585f088fc84SRalf Baechle 15860db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15870db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15880db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15898531a35eSKevin D. Kissell default n 15900db34215SKevin D. Kissell help 15910db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15920db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15930db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15940db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15950db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15968531a35eSKevin D. Kissell impact on interrupt service overhead. 15970db34215SKevin D. Kissell 1598f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1599f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1600f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1601f571eff0SKevin D. Kissell default n 1602f571eff0SKevin D. Kissell help 1603f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1604f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1605f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 16068531a35eSKevin D. Kissell platform code. Adds some overhead to interrupt dispatch, and 16078531a35eSKevin D. Kissell should be used only if you know what you are doing. 1608f571eff0SKevin D. Kissell 1609e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1610e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1611e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1612e01402b1SRalf Baechle default y 1613e01402b1SRalf Baechle help 1614e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1615e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1616e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1617e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1618e01402b1SRalf Baechle 1619e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1620e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1621e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1622e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 16235e83d430SRalf Baechle help 1624e01402b1SRalf Baechle 16252600990eSRalf Baechleconfig MIPS_APSP_KSPD 16262600990eSRalf Baechle bool "Enable KSPD" 16272600990eSRalf Baechle depends on MIPS_VPE_APSP_API 16282600990eSRalf Baechle default y 16292600990eSRalf Baechle help 16302600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 16312600990eSRalf Baechle side, actions them and returns the results. It also handles the 16322600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 16332600990eSRalf Baechle exiting. You probably want to say yes here. 16342600990eSRalf Baechle 16354a16ff4cSRalf Baechleconfig MIPS_CMP 16364a16ff4cSRalf Baechle bool "MIPS CMP framework support" 16374a16ff4cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 16384a16ff4cSRalf Baechle select SYNC_R4K if BROKEN 16394a16ff4cSRalf Baechle select SYS_SUPPORTS_SMP 16404a16ff4cSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 16414a16ff4cSRalf Baechle select WEAK_ORDERING 16424a16ff4cSRalf Baechle default n 16434a16ff4cSRalf Baechle help 16444a16ff4cSRalf Baechle This is a placeholder option for the GCMP work. It will need to 16454a16ff4cSRalf Baechle be handled differently... 16464a16ff4cSRalf Baechle 16471da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16481da177e4SLinus Torvalds bool 16491da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16501da177e4SLinus Torvalds default y 16511da177e4SLinus Torvalds 16521da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16531da177e4SLinus Torvalds bool 16541da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16551da177e4SLinus Torvalds default y 16561da177e4SLinus Torvalds 16571da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16581da177e4SLinus Torvalds bool 16591da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16601da177e4SLinus Torvalds default y 16611da177e4SLinus Torvalds 16621da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1663d806cb2bSRalf Baechle bool 16641da177e4SLinus Torvalds 16651da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1666f7062ddbSRalf Baechle bool 16671da177e4SLinus Torvalds 16689693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16699693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16709693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16719693a853SFranck Bui-Huu help 16729693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16739693a853SFranck Bui-Huu increased security at both hardware and software level for 16749693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16759693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16769693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16779693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16789693a853SFranck Bui-Huu here. 16799693a853SFranck Bui-Huu 16801da177e4SLinus Torvaldsconfig CPU_HAS_WB 1681f7062ddbSRalf Baechle bool 1682e01402b1SRalf Baechle 1683f41ae0b2SRalf Baechle# 1684f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1685f41ae0b2SRalf Baechle# 1686e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1687f41ae0b2SRalf Baechle bool 1688e01402b1SRalf Baechle 1689f41ae0b2SRalf Baechle# 1690f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1691f41ae0b2SRalf Baechle# 1692e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1693f41ae0b2SRalf Baechle bool 1694e01402b1SRalf Baechle 16951da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16961da177e4SLinus Torvalds bool 16971da177e4SLinus Torvalds depends on !CPU_R3000 16981da177e4SLinus Torvalds default y 16991da177e4SLinus Torvalds 1700ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1701ea580401SRalf Baechle bool 1702ea580401SRalf Baechle 17031da177e4SLinus Torvalds# 170420d60d99SMaciej W. Rozycki# CPU non-features 170520d60d99SMaciej W. Rozycki# 170620d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 170720d60d99SMaciej W. Rozycki bool 170820d60d99SMaciej W. Rozycki 170920d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 171020d60d99SMaciej W. Rozycki bool 171120d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 171220d60d99SMaciej W. Rozycki 171320d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 171420d60d99SMaciej W. Rozycki bool 171520d60d99SMaciej W. Rozycki 171620d60d99SMaciej W. Rozycki# 1717797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1718797798c1SRalf Baechle# 1719797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1720797798c1SRalf Baechle bool 1721797798c1SRalf Baechle default y 1722797798c1SRalf Baechle 1723797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1724797798c1SRalf Baechle bool 1725797798c1SRalf Baechle default y 1726797798c1SRalf Baechle 17270d7012a9SIngo Molnarconfig IRQ_PER_CPU 17280d7012a9SIngo Molnar bool 17290d7012a9SIngo Molnar 1730797798c1SRalf Baechle# 17311da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 17321da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 17331da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 17341da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 17351da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 17361da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 17371da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 17381da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1739797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1740797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1741797798c1SRalf Baechle# support. 17421da177e4SLinus Torvalds# 17431da177e4SLinus Torvaldsconfig HIGHMEM 17441da177e4SLinus Torvalds bool "High Memory Support" 1745797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1746797798c1SRalf Baechle 1747797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1748797798c1SRalf Baechle bool 1749797798c1SRalf Baechle 1750797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1751797798c1SRalf Baechle bool 17521da177e4SLinus Torvalds 17539693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17549693a853SFranck Bui-Huu bool 17559693a853SFranck Bui-Huu 1756b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1757b4819b59SYoichi Yuasa def_bool y 1758b4819b59SYoichi Yuasa depends on !NUMA 1759b4819b59SYoichi Yuasa 1760d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1761d8cb4e11SRalf Baechle bool 1762d8cb4e11SRalf Baechle default y if SGI_IP27 1763d8cb4e11SRalf Baechle help 17643dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1765d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1766d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1767d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1768d8cb4e11SRalf Baechle 1769cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1770cce335aeSRalf Baechle def_bool y 1771cce335aeSRalf Baechle 1772b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1773b1c6cd42SAtsushi Nemoto bool 17747de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 177531473747SAtsushi Nemoto 1776d8cb4e11SRalf Baechleconfig NUMA 1777d8cb4e11SRalf Baechle bool "NUMA Support" 1778d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1779d8cb4e11SRalf Baechle help 1780d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1781d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1782d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1783d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1784d8cb4e11SRalf Baechle disabled. 1785d8cb4e11SRalf Baechle 1786d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1787d8cb4e11SRalf Baechle bool 1788d8cb4e11SRalf Baechle 1789c80d79d7SYasunori Gotoconfig NODES_SHIFT 1790c80d79d7SYasunori Goto int 1791c80d79d7SYasunori Goto default "6" 1792c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1793c80d79d7SYasunori Goto 1794b4819b59SYoichi Yuasasource "mm/Kconfig" 1795b4819b59SYoichi Yuasa 17961da177e4SLinus Torvaldsconfig SMP 17971da177e4SLinus Torvalds bool "Multi-Processing support" 1798e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1799b4b30a5aSRalf Baechle select IRQ_PER_CPU 18002f304c0aSJens Axboe select USE_GENERIC_SMP_HELPERS 1801e73ea273SRalf Baechle help 18021da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 18031da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 18041da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 18051da177e4SLinus Torvalds 18061da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 18071da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 18081da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 18091da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 18101da177e4SLinus Torvalds will run faster if you say N here. 18111da177e4SLinus Torvalds 18121da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 18131da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 18141da177e4SLinus Torvalds 181503502faaSAdrian Bunk See also the SMP-HOWTO available at 181603502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 18171da177e4SLinus Torvalds 18181da177e4SLinus Torvalds If you don't know what to do here, say N. 18191da177e4SLinus Torvalds 182087353d8aSRalf Baechleconfig SMP_UP 182187353d8aSRalf Baechle bool 182287353d8aSRalf Baechle 18234a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 18244a16ff4cSRalf Baechle bool 18254a16ff4cSRalf Baechle 1826e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1827e73ea273SRalf Baechle bool 1828e73ea273SRalf Baechle 182972ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 183072ede9b1SAtsushi Nemoto bool 183172ede9b1SAtsushi Nemoto 1832130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1833130e2fb7SRalf Baechle bool 1834130e2fb7SRalf Baechle 1835130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1836130e2fb7SRalf Baechle bool 1837130e2fb7SRalf Baechle 1838130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1839130e2fb7SRalf Baechle bool 1840130e2fb7SRalf Baechle 1841130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1842130e2fb7SRalf Baechle bool 1843130e2fb7SRalf Baechle 1844130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1845130e2fb7SRalf Baechle bool 1846130e2fb7SRalf Baechle 1847130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1848130e2fb7SRalf Baechle bool 1849130e2fb7SRalf Baechle 18501da177e4SLinus Torvaldsconfig NR_CPUS 18511da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 185272ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 18531da177e4SLinus Torvalds depends on SMP 185472ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1855130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1856130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1857130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1858130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1859130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1860130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18611da177e4SLinus Torvalds help 18621da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18631da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18641da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 186572ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 186672ede9b1SAtsushi Nemoto and 2 for all others. 18671da177e4SLinus Torvalds 18681da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 186972ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 187072ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 187172ede9b1SAtsushi Nemoto power of two. 18721da177e4SLinus Torvalds 1873c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1874c4eee283SAtsushi Nemoto 18751723b4a3SAtsushi Nemoto# 18761723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18771723b4a3SAtsushi Nemoto# 18781723b4a3SAtsushi Nemoto 18791723b4a3SAtsushi Nemotochoice 18801723b4a3SAtsushi Nemoto prompt "Timer frequency" 18811723b4a3SAtsushi Nemoto default HZ_250 18821723b4a3SAtsushi Nemoto help 18831723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18841723b4a3SAtsushi Nemoto 18851723b4a3SAtsushi Nemoto config HZ_48 18860f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 18871723b4a3SAtsushi Nemoto 18881723b4a3SAtsushi Nemoto config HZ_100 18891723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18901723b4a3SAtsushi Nemoto 18911723b4a3SAtsushi Nemoto config HZ_128 18921723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18931723b4a3SAtsushi Nemoto 18941723b4a3SAtsushi Nemoto config HZ_250 18951723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18961723b4a3SAtsushi Nemoto 18971723b4a3SAtsushi Nemoto config HZ_256 18981723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18991723b4a3SAtsushi Nemoto 19001723b4a3SAtsushi Nemoto config HZ_1000 19011723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 19021723b4a3SAtsushi Nemoto 19031723b4a3SAtsushi Nemoto config HZ_1024 19041723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 19051723b4a3SAtsushi Nemoto 19061723b4a3SAtsushi Nemotoendchoice 19071723b4a3SAtsushi Nemoto 19081723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 19091723b4a3SAtsushi Nemoto bool 19101723b4a3SAtsushi Nemoto 19111723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 19121723b4a3SAtsushi Nemoto bool 19131723b4a3SAtsushi Nemoto 19141723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 19151723b4a3SAtsushi Nemoto bool 19161723b4a3SAtsushi Nemoto 19171723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 19181723b4a3SAtsushi Nemoto bool 19191723b4a3SAtsushi Nemoto 19201723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 19211723b4a3SAtsushi Nemoto bool 19221723b4a3SAtsushi Nemoto 19231723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 19241723b4a3SAtsushi Nemoto bool 19251723b4a3SAtsushi Nemoto 19261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 19271723b4a3SAtsushi Nemoto bool 19281723b4a3SAtsushi Nemoto 19291723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 19301723b4a3SAtsushi Nemoto bool 19311723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 19321723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 19331723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 19341723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 19351723b4a3SAtsushi Nemoto 19361723b4a3SAtsushi Nemotoconfig HZ 19371723b4a3SAtsushi Nemoto int 19381723b4a3SAtsushi Nemoto default 48 if HZ_48 19391723b4a3SAtsushi Nemoto default 100 if HZ_100 19401723b4a3SAtsushi Nemoto default 128 if HZ_128 19411723b4a3SAtsushi Nemoto default 250 if HZ_250 19421723b4a3SAtsushi Nemoto default 256 if HZ_256 19431723b4a3SAtsushi Nemoto default 1000 if HZ_1000 19441723b4a3SAtsushi Nemoto default 1024 if HZ_1024 19451723b4a3SAtsushi Nemoto 1946e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 19471da177e4SLinus Torvalds 19481da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 19491da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1950875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 19511da177e4SLinus Torvalds help 19521da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 19531da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 19541da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 19551da177e4SLinus Torvalds This will result in additional memory usage, so it is not 19561da177e4SLinus Torvalds recommended for normal users. 19571da177e4SLinus Torvalds 1958ea6e942bSAtsushi Nemotoconfig KEXEC 1959ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1960ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1961ea6e942bSAtsushi Nemoto help 1962ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1963ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19643dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1965ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1966ea6e942bSAtsushi Nemoto 196701dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1968ea6e942bSAtsushi Nemoto 1969ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1970ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1971ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1972ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1973ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1974ea6e942bSAtsushi Nemoto 1975ea6e942bSAtsushi Nemotoconfig SECCOMP 1976ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1977293c5bd1SRalf Baechle depends on PROC_FS 1978ea6e942bSAtsushi Nemoto default y 1979ea6e942bSAtsushi Nemoto help 1980ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1981ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1982ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1983ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1984ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1985ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1986ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1987ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1988ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1989ea6e942bSAtsushi Nemoto 1990ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1991ea6e942bSAtsushi Nemoto 19925e83d430SRalf Baechleendmenu 19935e83d430SRalf Baechle 19941df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19951df0f0ffSAtsushi Nemoto bool 19961df0f0ffSAtsushi Nemoto default y 19971df0f0ffSAtsushi Nemoto 19981df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19991df0f0ffSAtsushi Nemoto bool 20001df0f0ffSAtsushi Nemoto default y 20011df0f0ffSAtsushi Nemoto 2002b6c3539bSRalf Baechlesource "init/Kconfig" 2003b6c3539bSRalf Baechle 20040011036bSAtsushi Nemotoconfig PROBE_INITRD_HEADER 20050011036bSAtsushi Nemoto bool "Probe initrd header created by addinitrd" 20060011036bSAtsushi Nemoto depends on BLK_DEV_INITRD 20070011036bSAtsushi Nemoto help 20080011036bSAtsushi Nemoto Probe initrd header at the last page of kernel image. 20090011036bSAtsushi Nemoto Say Y here if you are using arch/mips/boot/addinitrd.c to 20100011036bSAtsushi Nemoto add initrd or initramfs image to the kernel image. 20110011036bSAtsushi Nemoto Otherwise, say N. 20120011036bSAtsushi Nemoto 2013dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2014dc52ddc0SMatt Helsley 20151da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 20161da177e4SLinus Torvalds 20175e83d430SRalf Baechleconfig HW_HAS_EISA 20185e83d430SRalf Baechle bool 20191da177e4SLinus Torvaldsconfig HW_HAS_PCI 20201da177e4SLinus Torvalds bool 20211da177e4SLinus Torvalds 20221da177e4SLinus Torvaldsconfig PCI 20231da177e4SLinus Torvalds bool "Support for PCI controller" 20241da177e4SLinus Torvalds depends on HW_HAS_PCI 2025abb4ae46SRalf Baechle select PCI_DOMAINS 20261da177e4SLinus Torvalds help 20271da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 20281da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 20291da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 20301da177e4SLinus Torvalds say Y, otherwise N. 20311da177e4SLinus Torvalds 20321da177e4SLinus Torvaldsconfig PCI_DOMAINS 20331da177e4SLinus Torvalds bool 20341da177e4SLinus Torvalds 20351da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 20361da177e4SLinus Torvalds 20371da177e4SLinus Torvalds# 20381da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 20391da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 20401da177e4SLinus Torvalds# users to choose the right thing ... 20411da177e4SLinus Torvalds# 20421da177e4SLinus Torvaldsconfig ISA 20431da177e4SLinus Torvalds bool 20441da177e4SLinus Torvalds 20451da177e4SLinus Torvaldsconfig EISA 20461da177e4SLinus Torvalds bool "EISA support" 20475e83d430SRalf Baechle depends on HW_HAS_EISA 20481da177e4SLinus Torvalds select ISA 2049aa414dffSRalf Baechle select GENERIC_ISA_DMA 20501da177e4SLinus Torvalds ---help--- 20511da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20521da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20531da177e4SLinus Torvalds 20541da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20551da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20561da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20571da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20581da177e4SLinus Torvalds 20591da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20601da177e4SLinus Torvalds 20611da177e4SLinus Torvalds Otherwise, say N. 20621da177e4SLinus Torvalds 20631da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20641da177e4SLinus Torvalds 20651da177e4SLinus Torvaldsconfig TC 20661da177e4SLinus Torvalds bool "TURBOchannel support" 20671da177e4SLinus Torvalds depends on MACH_DECSTATION 20681da177e4SLinus Torvalds help 20691da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20701da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20711da177e4SLinus Torvalds is available at: 20721da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20731da177e4SLinus Torvalds 20741da177e4SLinus Torvalds#config ACCESSBUS 20751da177e4SLinus Torvalds# bool "Access.Bus support" 20761da177e4SLinus Torvalds# depends on TC 20771da177e4SLinus Torvalds 20781da177e4SLinus Torvaldsconfig MMU 20791da177e4SLinus Torvalds bool 20801da177e4SLinus Torvalds default y 20811da177e4SLinus Torvalds 2082d865bea4SRalf Baechleconfig I8253 2083d865bea4SRalf Baechle bool 2084d865bea4SRalf Baechle 2085cce335aeSRalf Baechleconfig ZONE_DMA32 2086cce335aeSRalf Baechle bool 2087cce335aeSRalf Baechle 20881da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20891da177e4SLinus Torvalds 20901da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20911da177e4SLinus Torvalds 20921da177e4SLinus Torvaldsendmenu 20931da177e4SLinus Torvalds 20941da177e4SLinus Torvaldsmenu "Executable file formats" 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20971da177e4SLinus Torvalds 20981da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20991da177e4SLinus Torvalds bool 21001da177e4SLinus Torvalds 21011da177e4SLinus Torvaldsconfig MIPS32_COMPAT 21021da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2103875d43e7SRalf Baechle depends on 64BIT 21041da177e4SLinus Torvalds help 21051da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 21061da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 21071da177e4SLinus Torvalds currently 32-bit you should say Y here. 21081da177e4SLinus Torvalds 21091da177e4SLinus Torvaldsconfig COMPAT 21101da177e4SLinus Torvalds bool 21111da177e4SLinus Torvalds depends on MIPS32_COMPAT 21121da177e4SLinus Torvalds default y 21131da177e4SLinus Torvalds 211405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 211505e43966SAtsushi Nemoto bool 211605e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 211705e43966SAtsushi Nemoto default y 211805e43966SAtsushi Nemoto 21191da177e4SLinus Torvaldsconfig MIPS32_O32 21201da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 21211da177e4SLinus Torvalds depends on MIPS32_COMPAT 21221da177e4SLinus Torvalds help 21231da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 21241da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 21251da177e4SLinus Torvalds existing binaries are in this format. 21261da177e4SLinus Torvalds 21271da177e4SLinus Torvalds If unsure, say Y. 21281da177e4SLinus Torvalds 21291da177e4SLinus Torvaldsconfig MIPS32_N32 21301da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 21311da177e4SLinus Torvalds depends on MIPS32_COMPAT 21321da177e4SLinus Torvalds help 21331da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 21341da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 21351da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 21361da177e4SLinus Torvalds cases. 21371da177e4SLinus Torvalds 21381da177e4SLinus Torvalds If unsure, say N. 21391da177e4SLinus Torvalds 21401da177e4SLinus Torvaldsconfig BINFMT_ELF32 21411da177e4SLinus Torvalds bool 21421da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 21431da177e4SLinus Torvalds 21442116245eSRalf Baechleendmenu 21451da177e4SLinus Torvalds 21462116245eSRalf Baechlemenu "Power management options" 2147952fa954SRodolfo Giometti 2148363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2149363c55caSWu Zhangjin def_bool y 21509801b321SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU 2151363c55caSWu Zhangjin 2152f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2153f4cb5700SJohannes Berg def_bool y 21549801b321SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU 2155f4cb5700SJohannes Berg 21562116245eSRalf Baechlesource "kernel/power/Kconfig" 2157952fa954SRodolfo Giometti 21581da177e4SLinus Torvaldsendmenu 21591da177e4SLinus Torvalds 2160d5950b43SSam Ravnborgsource "net/Kconfig" 2161d5950b43SSam Ravnborg 21621da177e4SLinus Torvaldssource "drivers/Kconfig" 21631da177e4SLinus Torvalds 21641da177e4SLinus Torvaldssource "fs/Kconfig" 21651da177e4SLinus Torvalds 21661da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21671da177e4SLinus Torvalds 21681da177e4SLinus Torvaldssource "security/Kconfig" 21691da177e4SLinus Torvalds 21701da177e4SLinus Torvaldssource "crypto/Kconfig" 21711da177e4SLinus Torvalds 21721da177e4SLinus Torvaldssource "lib/Kconfig" 2173