11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4ec7748b5SSam Ravnborg select HAVE_IDE 542d4b839SMathieu Desnoyers select HAVE_OPROFILE 688547001SJason Wessel select HAVE_ARCH_KGDB 71da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 81da177e4SLinus Torvalds select EMBEDDED 990b02340SRalf Baechle select RTC_LIB 101da177e4SLinus Torvalds 111da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 121da177e4SLinus Torvalds 131da177e4SLinus Torvaldsmenu "Machine selection" 141da177e4SLinus Torvalds 155ac6da66SChristoph Lameterconfig ZONE_DMA 165ac6da66SChristoph Lameter bool 175ac6da66SChristoph Lameter 185e83d430SRalf Baechlechoice 195e83d430SRalf Baechle prompt "System type" 205e83d430SRalf Baechle default SGI_IP22 211da177e4SLinus Torvalds 22c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 23c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 241da177e4SLinus Torvalds 2535189fadSRalf Baechleconfig BASLER_EXCITE 26be91589eSThomas Koeller bool "Basler eXcite smart camera" 2742f77542SRalf Baechle select CEVT_R4K 28940f6b48SRalf Baechle select CSRC_R4K 2935189fadSRalf Baechle select DMA_COHERENT 3035189fadSRalf Baechle select HW_HAS_PCI 3135189fadSRalf Baechle select IRQ_CPU 3235189fadSRalf Baechle select IRQ_CPU_RM7K 3335189fadSRalf Baechle select IRQ_CPU_RM9K 34663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 3535189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3635189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3735189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3835189fadSRalf Baechle help 3935189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 40be91589eSThomas Koeller Basler Vision Technologies AG. 4135189fadSRalf Baechle 421c0c13ebSAurelien Jarnoconfig BCM47XX 431c0c13ebSAurelien Jarno bool "BCM47XX based boards" 4442f77542SRalf Baechle select CEVT_R4K 45940f6b48SRalf Baechle select CSRC_R4K 461c0c13ebSAurelien Jarno select DMA_NONCOHERENT 471c0c13ebSAurelien Jarno select HW_HAS_PCI 481c0c13ebSAurelien Jarno select IRQ_CPU 491c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 501c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 511c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 521c0c13ebSAurelien Jarno select SSB 531c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 542f02c15aSAurelien Jarno select SSB_DRIVER_EXTIF 55b06f3e19SAurelien Jarno select SSB_EMBEDDED 562f02c15aSAurelien Jarno select SSB_PCICORE_HOSTMODE if PCI 571c0c13ebSAurelien Jarno select GENERIC_GPIO 5825e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 5925e5fb97SAurelien Jarno select CFE 601c0c13ebSAurelien Jarno help 611c0c13ebSAurelien Jarno Support for BCM47XX based boards 621c0c13ebSAurelien Jarno 631da177e4SLinus Torvaldsconfig MIPS_COBALT 643fa986faSMartin Michlmayr bool "Cobalt Server" 6542f77542SRalf Baechle select CEVT_R4K 66940f6b48SRalf Baechle select CSRC_R4K 671097c6acSYoichi Yuasa select CEVT_GT641XX 681da177e4SLinus Torvalds select DMA_NONCOHERENT 691da177e4SLinus Torvalds select HW_HAS_PCI 70d865bea4SRalf Baechle select I8253 711da177e4SLinus Torvalds select I8259 721da177e4SLinus Torvalds select IRQ_CPU 73d5ab1a69SYoichi Yuasa select IRQ_GT641XX 74252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 757cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 760a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 77ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 780e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 795e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 801da177e4SLinus Torvalds 811da177e4SLinus Torvaldsconfig MACH_DECSTATION 823fa986faSMartin Michlmayr bool "DECstations" 831da177e4SLinus Torvalds select BOOT_ELF32 846457d9fcSYoichi Yuasa select CEVT_DS1287 8542f77542SRalf Baechle select CEVT_R4K 864247417dSYoichi Yuasa select CSRC_IOASIC 87940f6b48SRalf Baechle select CSRC_R4K 8820d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 8920d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 9020d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 911da177e4SLinus Torvalds select DMA_NONCOHERENT 92d388d685SMaciej W. Rozycki select NO_IOPORT 931da177e4SLinus Torvalds select IRQ_CPU 947cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 957cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 96ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 97ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 985e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 991723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 1001723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 1011723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 1025e83d430SRalf Baechle help 1031da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1041da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1051da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1081da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1091da177e4SLinus Torvalds 1101da177e4SLinus Torvalds DECstation 5000/50 1111da177e4SLinus Torvalds DECstation 5000/150 1121da177e4SLinus Torvalds DECstation 5000/260 1131da177e4SLinus Torvalds DECsystem 5900/260 1141da177e4SLinus Torvalds 1151da177e4SLinus Torvalds otherwise choose R3000. 1161da177e4SLinus Torvalds 1175e83d430SRalf Baechleconfig MACH_JAZZ 1183fa986faSMartin Michlmayr bool "Jazz family of machines" 1195e83d430SRalf Baechle select ARC 1205e83d430SRalf Baechle select ARC32 1215e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 12242f77542SRalf Baechle select CEVT_R4K 123940f6b48SRalf Baechle select CSRC_R4K 124e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1255e83d430SRalf Baechle select GENERIC_ISA_DMA 126ea202c63SThomas Bogendoerfer select IRQ_CPU 127d865bea4SRalf Baechle select I8253 1285e83d430SRalf Baechle select I8259 1295e83d430SRalf Baechle select ISA 1307cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1315e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1325e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1331723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1341da177e4SLinus Torvalds help 1355e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1365e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 137692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 1385e83d430SRalf Baechle Olivetti M700-10 workstations. 1395e83d430SRalf Baechle 1401f21d2bdSBrian Murphyconfig LASAT 1411f21d2bdSBrian Murphy bool "LASAT Networks platforms" 14242f77542SRalf Baechle select CEVT_R4K 143940f6b48SRalf Baechle select CSRC_R4K 1441f21d2bdSBrian Murphy select DMA_NONCOHERENT 1451f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1461f21d2bdSBrian Murphy select HW_HAS_PCI 147a5ccfe5cSRalf Baechle select IRQ_CPU 1481f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1491f21d2bdSBrian Murphy select MIPS_NILE4 1501f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1511f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1521f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1531f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1541f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1551f21d2bdSBrian Murphy 156ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 157ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 158ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 15942f77542SRalf Baechle select CEVT_R4K 160940f6b48SRalf Baechle select CSRC_R4K 161ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 162ade299d8SYoichi Yuasa select DMA_NONCOHERENT 163ade299d8SYoichi Yuasa select BOOT_ELF32 164ade299d8SYoichi Yuasa select BOARD_SCACHE 165ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 166ade299d8SYoichi Yuasa select HW_HAS_PCI 167ade299d8SYoichi Yuasa select I8259 168ade299d8SYoichi Yuasa select ISA 169ade299d8SYoichi Yuasa select IRQ_CPU 170ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 171ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 172ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 173ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 174ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 17523dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 176ade299d8SYoichi Yuasa select CPU_HAS_WB 177ade299d8SYoichi Yuasa help 178ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 179ade299d8SYoichi Yuasa an FPGA northbridge 180ade299d8SYoichi Yuasa 1811da177e4SLinus Torvaldsconfig MIPS_MALTA 1823fa986faSMartin Michlmayr bool "MIPS Malta board" 18361ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1841da177e4SLinus Torvalds select BOOT_ELF32 185fa71c960SRalf Baechle select BOOT_RAW 18642f77542SRalf Baechle select CEVT_R4K 187940f6b48SRalf Baechle select CSRC_R4K 1881da177e4SLinus Torvalds select DMA_NONCOHERENT 1891da177e4SLinus Torvalds select GENERIC_ISA_DMA 190aa414dffSRalf Baechle select IRQ_CPU 19139b8d525SRalf Baechle select IRQ_GIC 1921da177e4SLinus Torvalds select HW_HAS_PCI 193d865bea4SRalf Baechle select I8253 1941da177e4SLinus Torvalds select I8259 1955e83d430SRalf Baechle select MIPS_BOARDS_GEN 1965e83d430SRalf Baechle select MIPS_BONITO64 1979318c51aSChris Dearman select MIPS_CPU_SCACHE 198252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1995e83d430SRalf Baechle select MIPS_MSC 2001da177e4SLinus Torvalds select SWAP_IO_SPACE 2017cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2027cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2037cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2047cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2057cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 20636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 207ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 208ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2095e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2105e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2114a16ff4cSRalf Baechle select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken 212f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2139693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2141da177e4SLinus Torvalds help 215f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2161da177e4SLinus Torvalds board. 2171da177e4SLinus Torvalds 218c78cbf49SRalf Baechleconfig MIPS_SIM 2193fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 22042f77542SRalf Baechle select CEVT_R4K 221940f6b48SRalf Baechle select CSRC_R4K 222c78cbf49SRalf Baechle select DMA_NONCOHERENT 22336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 224c78cbf49SRalf Baechle select IRQ_CPU 2259267a30dSMarc St-Jean select BOOT_RAW 2267cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2277cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 22836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 229c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 230c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 231f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 232c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 233c78cbf49SRalf Baechle help 234c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 235c78cbf49SRalf Baechle emulator. 236c78cbf49SRalf Baechle 237a83860c2SRalf Baechleconfig NEC_MARKEINS 238a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 239a83860c2SRalf Baechle select SOC_EMMA2RH 240a83860c2SRalf Baechle select HW_HAS_PCI 241a83860c2SRalf Baechle help 242a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 243ade299d8SYoichi Yuasa 2445e83d430SRalf Baechleconfig MACH_VR41XX 24574142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 24642f77542SRalf Baechle select CEVT_R4K 247940f6b48SRalf Baechle select CSRC_R4K 2487cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2495e83d430SRalf Baechle 250edb6310aSDaniel Lairdconfig NXP_STB220 251edb6310aSDaniel Laird bool "NXP STB220 board" 252edb6310aSDaniel Laird select SOC_PNX833X 253edb6310aSDaniel Laird help 254edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 255edb6310aSDaniel Laird 256edb6310aSDaniel Lairdconfig NXP_STB225 257edb6310aSDaniel Laird bool "NXP 225 board" 258edb6310aSDaniel Laird select SOC_PNX833X 259edb6310aSDaniel Laird select SOC_PNX8335 260edb6310aSDaniel Laird help 261edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 262edb6310aSDaniel Laird 263ade299d8SYoichi Yuasaconfig PNX8550_JBS 264a92b0588SDaniel Laird bool "NXP PNX8550 based JBS board" 265ade299d8SYoichi Yuasa select PNX8550 266ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 267ade299d8SYoichi Yuasa 268ade299d8SYoichi Yuasaconfig PNX8550_STB810 269a92b0588SDaniel Laird bool "NXP PNX8550 based STB810 board" 270ade299d8SYoichi Yuasa select PNX8550 271ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 272ade299d8SYoichi Yuasa 2739267a30dSMarc St-Jeanconfig PMC_MSP 2749267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 2759267a30dSMarc St-Jean depends on EXPERIMENTAL 2769267a30dSMarc St-Jean select DMA_NONCOHERENT 2779267a30dSMarc St-Jean select SWAP_IO_SPACE 2789267a30dSMarc St-Jean select NO_EXCEPT_FILL 2799267a30dSMarc St-Jean select BOOT_RAW 2809267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 2819267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 2829267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 2839267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 2849267a30dSMarc St-Jean select IRQ_CPU 2859267a30dSMarc St-Jean select SERIAL_8250 2869267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 2879267a30dSMarc St-Jean help 2889267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 2899267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 2909267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 2919267a30dSMarc St-Jean a variety of MIPS cores. 2929267a30dSMarc St-Jean 2935e83d430SRalf Baechleconfig PMC_YOSEMITE 2943fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 29542f77542SRalf Baechle select CEVT_R4K 296940f6b48SRalf Baechle select CSRC_R4K 2975e83d430SRalf Baechle select DMA_COHERENT 2985e83d430SRalf Baechle select HW_HAS_PCI 2995e83d430SRalf Baechle select IRQ_CPU 3005e83d430SRalf Baechle select IRQ_CPU_RM7K 3015e83d430SRalf Baechle select IRQ_CPU_RM9K 3025e83d430SRalf Baechle select SWAP_IO_SPACE 3037cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 30436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3055e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3065e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3075e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3085e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 309e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3105e83d430SRalf Baechle help 3115e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3125e83d430SRalf Baechle manufactured by PMC-Sierra. 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvaldsconfig SGI_IP22 3153fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3161da177e4SLinus Torvalds select ARC 3171da177e4SLinus Torvalds select ARC32 3181da177e4SLinus Torvalds select BOOT_ELF32 31942f77542SRalf Baechle select CEVT_R4K 320940f6b48SRalf Baechle select CSRC_R4K 321e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3221da177e4SLinus Torvalds select DMA_NONCOHERENT 3235e83d430SRalf Baechle select HW_HAS_EISA 324d865bea4SRalf Baechle select I8253 32568de4803SThomas Bogendoerfer select I8259 3261da177e4SLinus Torvalds select IP22_CPU_SCACHE 3271da177e4SLinus Torvalds select IRQ_CPU 328aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 329e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 330e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 33136e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 332e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 333e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 334e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3351da177e4SLinus Torvalds select SWAP_IO_SPACE 3367cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3377cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 33836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 339ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 340ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3415e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3421da177e4SLinus Torvalds help 3431da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3441da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3451da177e4SLinus Torvalds that runs on these, say Y here. 3461da177e4SLinus Torvalds 3471da177e4SLinus Torvaldsconfig SGI_IP27 3483fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3491da177e4SLinus Torvalds select ARC 3501da177e4SLinus Torvalds select ARC64 3515e83d430SRalf Baechle select BOOT_ELF64 352e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 353634286f1SRalf Baechle select DMA_COHERENT 35436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3551da177e4SLinus Torvalds select HW_HAS_PCI 356130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3577cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 358ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3595e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 360d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3611a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 3621da177e4SLinus Torvalds help 3631da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3641da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3651da177e4SLinus Torvalds here. 3661da177e4SLinus Torvalds 367e2defae5SThomas Bogendoerferconfig SGI_IP28 368e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 369e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 370e2defae5SThomas Bogendoerfer select ARC 371e2defae5SThomas Bogendoerfer select ARC64 372e2defae5SThomas Bogendoerfer select BOOT_ELF64 373e2defae5SThomas Bogendoerfer select CEVT_R4K 374e2defae5SThomas Bogendoerfer select CSRC_R4K 375e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 376e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 377e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 378e2defae5SThomas Bogendoerfer select IRQ_CPU 379e2defae5SThomas Bogendoerfer select HW_HAS_EISA 380e2defae5SThomas Bogendoerfer select I8253 381e2defae5SThomas Bogendoerfer select I8259 382e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 383e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 3845b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 385e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 386e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 387e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 388e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 389e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 390e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 391e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 392e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 393e2defae5SThomas Bogendoerfer help 394e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 395e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 396e2defae5SThomas Bogendoerfer 3971da177e4SLinus Torvaldsconfig SGI_IP32 398cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 3991da177e4SLinus Torvalds select ARC 4001da177e4SLinus Torvalds select ARC32 4011da177e4SLinus Torvalds select BOOT_ELF32 40242f77542SRalf Baechle select CEVT_R4K 403940f6b48SRalf Baechle select CSRC_R4K 4041da177e4SLinus Torvalds select DMA_NONCOHERENT 4051da177e4SLinus Torvalds select HW_HAS_PCI 406dd67b155SRalf Baechle select IRQ_CPU 4071da177e4SLinus Torvalds select R5000_CPU_SCACHE 4081da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4097cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4107cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4117cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 412dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 413ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4145e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4151da177e4SLinus Torvalds help 4161da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4171da177e4SLinus Torvalds 418ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 419ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4205e83d430SRalf Baechle depends on EXPERIMENTAL 4215e83d430SRalf Baechle select BOOT_ELF32 4225e83d430SRalf Baechle select DMA_COHERENT 4235e83d430SRalf Baechle select SIBYTE_BCM1120 4245e83d430SRalf Baechle select SWAP_IO_SPACE 4257cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4265e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4275e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4285e83d430SRalf Baechle 429ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 430ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4315e83d430SRalf Baechle depends on EXPERIMENTAL 4325e83d430SRalf Baechle select BOOT_ELF32 4335e83d430SRalf Baechle select DMA_COHERENT 4345e83d430SRalf Baechle select SIBYTE_BCM1120 4355e83d430SRalf Baechle select SWAP_IO_SPACE 4367cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4375e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4385e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4395e83d430SRalf Baechle 4405e83d430SRalf Baechleconfig SIBYTE_CRHONE 4413fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4425e83d430SRalf Baechle depends on EXPERIMENTAL 4435e83d430SRalf Baechle select BOOT_ELF32 4445e83d430SRalf Baechle select DMA_COHERENT 4455e83d430SRalf Baechle select SIBYTE_BCM1125 4465e83d430SRalf Baechle select SWAP_IO_SPACE 4477cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4485e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4495e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4505e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4515e83d430SRalf Baechle 452ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 453ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 454ade299d8SYoichi Yuasa depends on EXPERIMENTAL 455ade299d8SYoichi Yuasa select BOOT_ELF32 456ade299d8SYoichi Yuasa select DMA_COHERENT 457ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 458ade299d8SYoichi Yuasa select SWAP_IO_SPACE 459ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 460ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 461ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 462ade299d8SYoichi Yuasa 463ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 464ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 465ade299d8SYoichi Yuasa select BOOT_ELF32 466ade299d8SYoichi Yuasa select DMA_COHERENT 467ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 468ade299d8SYoichi Yuasa select SIBYTE_SB1250 469ade299d8SYoichi Yuasa select SWAP_IO_SPACE 470ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 471ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 472ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 473ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 474cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 475ade299d8SYoichi Yuasa 476ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 477ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 478ade299d8SYoichi Yuasa depends on EXPERIMENTAL 479ade299d8SYoichi Yuasa select BOOT_ELF32 480ade299d8SYoichi Yuasa select DMA_COHERENT 481ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 482ade299d8SYoichi Yuasa select SIBYTE_SB1250 483ade299d8SYoichi Yuasa select SWAP_IO_SPACE 484ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 485ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 486ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 487ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 488ade299d8SYoichi Yuasa 489ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 490ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 491ade299d8SYoichi Yuasa depends on EXPERIMENTAL 492ade299d8SYoichi Yuasa select BOOT_ELF32 493ade299d8SYoichi Yuasa select DMA_COHERENT 494ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 495ade299d8SYoichi Yuasa select SIBYTE_SB1250 496ade299d8SYoichi Yuasa select SWAP_IO_SPACE 497ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 498ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 499ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 500ade299d8SYoichi Yuasa 501ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 502ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 503ade299d8SYoichi Yuasa select BOOT_ELF32 504ade299d8SYoichi Yuasa select DMA_COHERENT 505ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 506ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 507ade299d8SYoichi Yuasa select SWAP_IO_SPACE 508ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 509ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 510651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 511ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 512cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 513ade299d8SYoichi Yuasa 51414b36af4SThomas Bogendoerferconfig SNI_RM 51514b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5164a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5174a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 518231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5195e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5205e83d430SRalf Baechle select BOOT_ELF32 52142f77542SRalf Baechle select CEVT_R4K 522940f6b48SRalf Baechle select CSRC_R4K 523e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5245e83d430SRalf Baechle select DMA_NONCOHERENT 5255e83d430SRalf Baechle select GENERIC_ISA_DMA 5265e83d430SRalf Baechle select HW_HAS_EISA 5275e83d430SRalf Baechle select HW_HAS_PCI 528c066a32aSThomas Bogendoerfer select IRQ_CPU 529d865bea4SRalf Baechle select I8253 5305e83d430SRalf Baechle select I8259 5315e83d430SRalf Baechle select ISA 5324a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5337cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5344a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 535c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5364a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 53736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 538ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5395e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5404a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5415e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5425e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5431da177e4SLinus Torvalds help 54414b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 54514b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5465e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5475e83d430SRalf Baechle support this machine type. 5481da177e4SLinus Torvalds 549edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 550edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 5515e83d430SRalf Baechle 552edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 553edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 55423fbee9dSRalf Baechle 55573b4390fSRalf Baechleconfig MIKROTIK_RB532 55673b4390fSRalf Baechle bool "Mikrotik RB532 boards" 55773b4390fSRalf Baechle select CEVT_R4K 55873b4390fSRalf Baechle select CSRC_R4K 55973b4390fSRalf Baechle select DMA_NONCOHERENT 56073b4390fSRalf Baechle select HW_HAS_PCI 56173b4390fSRalf Baechle select IRQ_CPU 56273b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 56373b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 56473b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 56573b4390fSRalf Baechle select SWAP_IO_SPACE 56673b4390fSRalf Baechle select BOOT_RAW 567d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 56873b4390fSRalf Baechle help 56973b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 57073b4390fSRalf Baechle based on the IDT RC32434 SoC. 57173b4390fSRalf Baechle 572ade299d8SYoichi Yuasaconfig WR_PPMC 573ade299d8SYoichi Yuasa bool "Wind River PPMC board" 57442f77542SRalf Baechle select CEVT_R4K 575940f6b48SRalf Baechle select CSRC_R4K 576ade299d8SYoichi Yuasa select IRQ_CPU 577ade299d8SYoichi Yuasa select BOOT_ELF32 578ade299d8SYoichi Yuasa select DMA_NONCOHERENT 579ade299d8SYoichi Yuasa select HW_HAS_PCI 580ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 581ade299d8SYoichi Yuasa select SWAP_IO_SPACE 582ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 583ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 584ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 585ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 586ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 587ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 588ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 589ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 590ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 591ade299d8SYoichi Yuasa help 592ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 593ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 594ade299d8SYoichi Yuasa 595a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_SIMULATOR 596*c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon Simulator" 597a86c7f72SDavid Daney select CEVT_R4K 598a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 599a86c7f72SDavid Daney select DMA_COHERENT 600a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 601a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 602a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 6035e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 604a86c7f72SDavid Daney help 605a86c7f72SDavid Daney The Octeon simulator is software performance model of the Cavium 606a86c7f72SDavid Daney Octeon Processor. It supports simulating Octeon processors on x86 607a86c7f72SDavid Daney hardware. 608a86c7f72SDavid Daney 609a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_REFERENCE_BOARD 610*c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon reference board" 611a86c7f72SDavid Daney select CEVT_R4K 612a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 613a86c7f72SDavid Daney select DMA_COHERENT 614a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 615a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 616a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 617a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 6185e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 619a86c7f72SDavid Daney select SWAP_IO_SPACE 620a86c7f72SDavid Daney help 621a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 622a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 623a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 624a86c7f72SDavid Daney Some of the supported boards are: 625a86c7f72SDavid Daney EBT3000 626a86c7f72SDavid Daney EBH3000 627a86c7f72SDavid Daney EBH3100 628a86c7f72SDavid Daney Thunder 629a86c7f72SDavid Daney Kodama 630a86c7f72SDavid Daney Hikari 631a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 632a86c7f72SDavid Daney 6331da177e4SLinus Torvaldsendchoice 6341da177e4SLinus Torvalds 635e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 6369c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 6375e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6381f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6395e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 64029c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 64138b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 64222b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 6435e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 644a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 64538b18f72SRalf Baechle 6465e83d430SRalf Baechleendmenu 6475e83d430SRalf Baechle 6481da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6491da177e4SLinus Torvalds bool 6501da177e4SLinus Torvalds default y 6511da177e4SLinus Torvalds 6521da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6531da177e4SLinus Torvalds bool 6541da177e4SLinus Torvalds 655f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 656f0d1b0b3SDavid Howells bool 657f0d1b0b3SDavid Howells default n 658f0d1b0b3SDavid Howells 659f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 660f0d1b0b3SDavid Howells bool 661f0d1b0b3SDavid Howells default n 662f0d1b0b3SDavid Howells 66300a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 66400a58253SRalf Baechle bool 66500a58253SRalf Baechle default y if !MIPS_MT_SMTC 66600a58253SRalf Baechle 6673c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6683c9ee7efSAkinobu Mita bool 6693c9ee7efSAkinobu Mita default y 6703c9ee7efSAkinobu Mita 6713c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6723c9ee7efSAkinobu Mita bool 6733c9ee7efSAkinobu Mita default y 6743c9ee7efSAkinobu Mita 6751da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6761da177e4SLinus Torvalds bool 6771da177e4SLinus Torvalds default y 6781da177e4SLinus Torvalds 6797bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 6807bcf7717SRalf Baechle bool 6817bcf7717SRalf Baechle default y 6827bcf7717SRalf Baechle 6838db02010SRalf Baechleconfig GENERIC_TIME 6848db02010SRalf Baechle bool 6858db02010SRalf Baechle default y 6868db02010SRalf Baechle 687f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 688f5ff0a28SRalf Baechle bool 689f5ff0a28SRalf Baechle default y 690f5ff0a28SRalf Baechle 691ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 6921cc89038SAtsushi Nemoto bool 6931cc89038SAtsushi Nemoto default y 6941cc89038SAtsushi Nemoto 695e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 696c87e0909SRalf Baechle def_bool y 697e77c232cSFranck Bui-Huu 6981da177e4SLinus Torvalds# 6991da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7001da177e4SLinus Torvalds# 7011da177e4SLinus Torvaldsconfig ARC 7021da177e4SLinus Torvalds bool 7031da177e4SLinus Torvalds 70461ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 70561ed242dSRalf Baechle bool 70661ed242dSRalf Baechle 7079267a30dSMarc St-Jeanconfig BOOT_RAW 7089267a30dSMarc St-Jean bool 7099267a30dSMarc St-Jean 710217dd11eSRalf Baechleconfig CEVT_BCM1480 711217dd11eSRalf Baechle bool 712217dd11eSRalf Baechle 7136457d9fcSYoichi Yuasaconfig CEVT_DS1287 7146457d9fcSYoichi Yuasa bool 7156457d9fcSYoichi Yuasa 7161097c6acSYoichi Yuasaconfig CEVT_GT641XX 7171097c6acSYoichi Yuasa bool 7181097c6acSYoichi Yuasa 719779e7d41SManuel Laussconfig CEVT_R4K_LIB 720779e7d41SManuel Lauss bool 721779e7d41SManuel Lauss 72242f77542SRalf Baechleconfig CEVT_R4K 723779e7d41SManuel Lauss select CEVT_R4K_LIB 72442f77542SRalf Baechle bool 72542f77542SRalf Baechle 726217dd11eSRalf Baechleconfig CEVT_SB1250 727217dd11eSRalf Baechle bool 728217dd11eSRalf Baechle 729229f773eSAtsushi Nemotoconfig CEVT_TXX9 730229f773eSAtsushi Nemoto bool 731229f773eSAtsushi Nemoto 732217dd11eSRalf Baechleconfig CSRC_BCM1480 733217dd11eSRalf Baechle bool 734217dd11eSRalf Baechle 7354247417dSYoichi Yuasaconfig CSRC_IOASIC 7364247417dSYoichi Yuasa bool 7374247417dSYoichi Yuasa 738779e7d41SManuel Laussconfig CSRC_R4K_LIB 739779e7d41SManuel Lauss bool 740779e7d41SManuel Lauss 741940f6b48SRalf Baechleconfig CSRC_R4K 742779e7d41SManuel Lauss select CSRC_R4K_LIB 743940f6b48SRalf Baechle bool 744940f6b48SRalf Baechle 745217dd11eSRalf Baechleconfig CSRC_SB1250 746217dd11eSRalf Baechle bool 747217dd11eSRalf Baechle 748a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 749a9aec7feSAtsushi Nemoto select GENERIC_GPIO 7507444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 751a9aec7feSAtsushi Nemoto bool 752a9aec7feSAtsushi Nemoto 753df78b5c8SAurelien Jarnoconfig CFE 754df78b5c8SAurelien Jarno bool 755df78b5c8SAurelien Jarno 7561da177e4SLinus Torvaldsconfig DMA_COHERENT 7571da177e4SLinus Torvalds bool 7581da177e4SLinus Torvalds 7591da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7601da177e4SLinus Torvalds bool 7614ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7624ce588cdSRalf Baechle 7634ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7644ce588cdSRalf Baechle bool 7651da177e4SLinus Torvalds 7661da177e4SLinus Torvaldsconfig EARLY_PRINTK 76736a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 76836a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 76936a88530SRalf Baechle default y 77036a88530SRalf Baechle help 77136a88530SRalf Baechle This option enables special console drivers which allow the kernel 77236a88530SRalf Baechle to print messages very early in the bootup process. 77336a88530SRalf Baechle 77436a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 775490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 776490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 777490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 77836a88530SRalf Baechle unless you want to debug such a crash. 77936a88530SRalf Baechle 78036a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7811da177e4SLinus Torvalds bool 7821da177e4SLinus Torvalds 783dbb74540SRalf Baechleconfig HOTPLUG_CPU 784dbb74540SRalf Baechle bool 785dbb74540SRalf Baechle default n 786dbb74540SRalf Baechle 7871da177e4SLinus Torvaldsconfig I8259 7881da177e4SLinus Torvalds bool 7891da177e4SLinus Torvalds 7901da177e4SLinus Torvaldsconfig MIPS_BONITO64 7911da177e4SLinus Torvalds bool 7921da177e4SLinus Torvalds 7931da177e4SLinus Torvaldsconfig MIPS_MSC 7941da177e4SLinus Torvalds bool 7951da177e4SLinus Torvalds 7961f21d2bdSBrian Murphyconfig MIPS_NILE4 7971f21d2bdSBrian Murphy bool 7981f21d2bdSBrian Murphy 7991da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8001da177e4SLinus Torvalds bool 8011da177e4SLinus Torvalds 80239b8d525SRalf Baechleconfig SYNC_R4K 80339b8d525SRalf Baechle bool 80439b8d525SRalf Baechle 805d388d685SMaciej W. Rozyckiconfig NO_IOPORT 806d388d685SMaciej W. Rozycki def_bool n 807d388d685SMaciej W. Rozycki 8088313da30SRalf Baechleconfig GENERIC_ISA_DMA 8098313da30SRalf Baechle bool 8108313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8118313da30SRalf Baechle 812aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 813aa414dffSRalf Baechle bool 8148313da30SRalf Baechle select GENERIC_ISA_DMA 815aa414dffSRalf Baechle 81609663335SYoichi Yuasaconfig GENERIC_GPIO 81709663335SYoichi Yuasa bool 81809663335SYoichi Yuasa 8195e83d430SRalf Baechle# 8203cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8215e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8225e83d430SRalf Baechle# choice statement should be more obvious to the user. 8235e83d430SRalf Baechle# 8245e83d430SRalf Baechlechoice 8255e83d430SRalf Baechle prompt "Endianess selection" 8261da177e4SLinus Torvalds help 8271da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8285e83d430SRalf Baechle byte order. These modes require different kernels and a different 8293cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8305e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8313dde6ad8SDavid Sterba one or the other endianness. 8325e83d430SRalf Baechle 8335e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8345e83d430SRalf Baechle bool "Big endian" 8355e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8365e83d430SRalf Baechle 8375e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8385e83d430SRalf Baechle bool "Little endian" 8395e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8405e83d430SRalf Baechle help 8415e83d430SRalf Baechle 8425e83d430SRalf Baechleendchoice 8435e83d430SRalf Baechle 8442116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8452116245eSRalf Baechle bool 8462116245eSRalf Baechle 8475e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8485e83d430SRalf Baechle bool 8495e83d430SRalf Baechle 8505e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8515e83d430SRalf Baechle bool 8521da177e4SLinus Torvalds 8531da177e4SLinus Torvaldsconfig IRQ_CPU 8541da177e4SLinus Torvalds bool 8551da177e4SLinus Torvalds 8561da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8571da177e4SLinus Torvalds bool 8581da177e4SLinus Torvalds 8595e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8605e83d430SRalf Baechle bool 8615e83d430SRalf Baechle 8629267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8639267a30dSMarc St-Jean bool 8649267a30dSMarc St-Jean 8659267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8669267a30dSMarc St-Jean bool 8679267a30dSMarc St-Jean 8688420fd00SAtsushi Nemotoconfig IRQ_TXX9 8698420fd00SAtsushi Nemoto bool 8708420fd00SAtsushi Nemoto 871d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 872d5ab1a69SYoichi Yuasa bool 873d5ab1a69SYoichi Yuasa 87439b8d525SRalf Baechleconfig IRQ_GIC 87539b8d525SRalf Baechle bool 87639b8d525SRalf Baechle 877a86c7f72SDavid Daneyconfig IRQ_CPU_OCTEON 878a86c7f72SDavid Daney bool 879a86c7f72SDavid Daney 8801da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8811da177e4SLinus Torvalds bool 8821da177e4SLinus Torvalds 883252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8841da177e4SLinus Torvalds bool 8851da177e4SLinus Torvalds 8869267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8879267a30dSMarc St-Jean bool 8889267a30dSMarc St-Jean 889663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 890663c3d90Sthomas@koeller.dyndns.org bool 891663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 892663c3d90Sthomas@koeller.dyndns.org 893a83860c2SRalf Baechleconfig SOC_EMMA2RH 894a83860c2SRalf Baechle bool 895a83860c2SRalf Baechle select CEVT_R4K 896a83860c2SRalf Baechle select CSRC_R4K 897a83860c2SRalf Baechle select DMA_NONCOHERENT 898a83860c2SRalf Baechle select IRQ_CPU 899a83860c2SRalf Baechle select SWAP_IO_SPACE 900a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 901a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 902a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 903a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 904a83860c2SRalf Baechle 905edb6310aSDaniel Lairdconfig SOC_PNX833X 906edb6310aSDaniel Laird bool 907edb6310aSDaniel Laird select CEVT_R4K 908edb6310aSDaniel Laird select CSRC_R4K 909edb6310aSDaniel Laird select IRQ_CPU 910edb6310aSDaniel Laird select DMA_NONCOHERENT 911edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 912edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 913edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 914edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 915edb6310aSDaniel Laird select GENERIC_GPIO 916edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 917edb6310aSDaniel Laird 918edb6310aSDaniel Lairdconfig SOC_PNX8335 919edb6310aSDaniel Laird bool 920edb6310aSDaniel Laird select SOC_PNX833X 921edb6310aSDaniel Laird 922bdf21b18SPete Popovconfig PNX8550 923bdf21b18SPete Popov bool 924bdf21b18SPete Popov select SOC_PNX8550 925bdf21b18SPete Popov 926bdf21b18SPete Popovconfig SOC_PNX8550 927bdf21b18SPete Popov bool 928bdf21b18SPete Popov select DMA_NONCOHERENT 929bdf21b18SPete Popov select HW_HAS_PCI 930b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 93136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9327cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 9334ead1681SFlorian Fainelli select GENERIC_GPIO 934bdf21b18SPete Popov 9351da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9361da177e4SLinus Torvalds bool 9371da177e4SLinus Torvalds 938663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 939663c3d90Sthomas@koeller.dyndns.org bool 940663c3d90Sthomas@koeller.dyndns.org 941e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 942e2defae5SThomas Bogendoerfer bool 943e2defae5SThomas Bogendoerfer 9445b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 9455b438c44SThomas Bogendoerfer bool 9465b438c44SThomas Bogendoerfer 947e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 948e2defae5SThomas Bogendoerfer bool 949e2defae5SThomas Bogendoerfer 950e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 951e2defae5SThomas Bogendoerfer bool 952e2defae5SThomas Bogendoerfer 953e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 954e2defae5SThomas Bogendoerfer bool 955e2defae5SThomas Bogendoerfer 956e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 957e2defae5SThomas Bogendoerfer bool 958e2defae5SThomas Bogendoerfer 959e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 960e2defae5SThomas Bogendoerfer bool 961e2defae5SThomas Bogendoerfer 9625e83d430SRalf Baechleconfig ARC32 9635e83d430SRalf Baechle bool 9645e83d430SRalf Baechle 965231a35d3SThomas Bogendoerferconfig SNIPROM 966231a35d3SThomas Bogendoerfer bool 967231a35d3SThomas Bogendoerfer 9681da177e4SLinus Torvaldsconfig BOOT_ELF32 9691da177e4SLinus Torvalds bool 9701da177e4SLinus Torvalds 9711da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 9721da177e4SLinus Torvalds int 97373b4390fSRalf Baechle default "4" if MACH_DECSTATION || MIKROTIK_RB532 974a86c7f72SDavid Daney default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 9759267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 9761da177e4SLinus Torvalds default "5" 9771da177e4SLinus Torvalds 9781da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 9791da177e4SLinus Torvalds bool 9801da177e4SLinus Torvalds 9811da177e4SLinus Torvaldsconfig ARC_CONSOLE 9821da177e4SLinus Torvalds bool "ARC console support" 983e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 9841da177e4SLinus Torvalds 9851da177e4SLinus Torvaldsconfig ARC_MEMORY 9861da177e4SLinus Torvalds bool 98714b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 9881da177e4SLinus Torvalds default y 9891da177e4SLinus Torvalds 9901da177e4SLinus Torvaldsconfig ARC_PROMLIB 9911da177e4SLinus Torvalds bool 992e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 9931da177e4SLinus Torvalds default y 9941da177e4SLinus Torvalds 9951da177e4SLinus Torvaldsconfig ARC64 9961da177e4SLinus Torvalds bool 9971da177e4SLinus Torvalds 9981da177e4SLinus Torvaldsconfig BOOT_ELF64 9991da177e4SLinus Torvalds bool 10001da177e4SLinus Torvalds 10011da177e4SLinus Torvaldsmenu "CPU selection" 10021da177e4SLinus Torvalds 10031da177e4SLinus Torvaldschoice 10041da177e4SLinus Torvalds prompt "CPU type" 10051da177e4SLinus Torvalds default CPU_R4X00 10061da177e4SLinus Torvalds 10072a21c730SFuxin Zhangconfig CPU_LOONGSON2 10082a21c730SFuxin Zhang bool "Loongson 2" 10092a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 10102a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 10112a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 10122a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 10132a21c730SFuxin Zhang help 10142a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10152a21c730SFuxin Zhang with many extensions. 10162a21c730SFuxin Zhang 10176e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10186e760c8dSRalf Baechle bool "MIPS32 Release 1" 10197cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 1020f7062ddbSRalf Baechle select CPU_HAS_LLSC 10216e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1022797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1023ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10246e760c8dSRalf Baechle help 10255e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10261e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10271e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10281e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10291e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10301e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10311e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10321e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10331e5f1caaSRalf Baechle performance. 10341e5f1caaSRalf Baechle 10351e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10361e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10377cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 1038f7062ddbSRalf Baechle select CPU_HAS_LLSC 10391e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1040797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1041ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10421e5f1caaSRalf Baechle help 10435e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10446e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10456e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10466e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10476e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10481da177e4SLinus Torvalds 10496e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10506e760c8dSRalf Baechle bool "MIPS64 Release 1" 10517cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1052f7062ddbSRalf Baechle select CPU_HAS_LLSC 1053797798c1SRalf Baechle select CPU_HAS_PREFETCH 1054ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1055ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1056ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10576e760c8dSRalf Baechle help 10586e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10596e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10606e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10616e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10626e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10631e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10641e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10651e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10661e5f1caaSRalf Baechle performance. 10671e5f1caaSRalf Baechle 10681e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10691e5f1caaSRalf Baechle bool "MIPS64 Release 2" 10707cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1071f7062ddbSRalf Baechle select CPU_HAS_LLSC 1072797798c1SRalf Baechle select CPU_HAS_PREFETCH 10731e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10741e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1075ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10761e5f1caaSRalf Baechle help 10771e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 10781e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10791e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10801e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10811e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10821da177e4SLinus Torvalds 10831da177e4SLinus Torvaldsconfig CPU_R3000 10841da177e4SLinus Torvalds bool "R3000" 10857cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1086f7062ddbSRalf Baechle select CPU_HAS_WB 1087ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1088797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10891da177e4SLinus Torvalds help 10901da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 10911da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 10921da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 10931da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 10941da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 10951da177e4SLinus Torvalds try to recompile with R3000. 10961da177e4SLinus Torvalds 10971da177e4SLinus Torvaldsconfig CPU_TX39XX 10981da177e4SLinus Torvalds bool "R39XX" 10997cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1100ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11011da177e4SLinus Torvalds 11021da177e4SLinus Torvaldsconfig CPU_VR41XX 11031da177e4SLinus Torvalds bool "R41xx" 11047cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1105ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1106ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11071da177e4SLinus Torvalds help 11085e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11091da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11101da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11111da177e4SLinus Torvalds processor or vice versa. 11121da177e4SLinus Torvalds 11131da177e4SLinus Torvaldsconfig CPU_R4300 11141da177e4SLinus Torvalds bool "R4300" 11157cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1116f7062ddbSRalf Baechle select CPU_HAS_LLSC 1117ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1118ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11191da177e4SLinus Torvalds help 11201da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11211da177e4SLinus Torvalds 11221da177e4SLinus Torvaldsconfig CPU_R4X00 11231da177e4SLinus Torvalds bool "R4x00" 11247cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1125f7062ddbSRalf Baechle select CPU_HAS_LLSC 1126ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1127ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11281da177e4SLinus Torvalds help 11291da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11301da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11311da177e4SLinus Torvalds 11321da177e4SLinus Torvaldsconfig CPU_TX49XX 11331da177e4SLinus Torvalds bool "R49XX" 11347cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1135f7062ddbSRalf Baechle select CPU_HAS_LLSC 1136de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1137ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1138ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11391da177e4SLinus Torvalds 11401da177e4SLinus Torvaldsconfig CPU_R5000 11411da177e4SLinus Torvalds bool "R5000" 11427cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1143f7062ddbSRalf Baechle select CPU_HAS_LLSC 1144ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1145ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11461da177e4SLinus Torvalds help 11471da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11481da177e4SLinus Torvalds 11491da177e4SLinus Torvaldsconfig CPU_R5432 11501da177e4SLinus Torvalds bool "R5432" 11517cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1152f7062ddbSRalf Baechle select CPU_HAS_LLSC 11535e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11545e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11551da177e4SLinus Torvalds 1156542c1020SShinya Kuribayashiconfig CPU_R5500 1157542c1020SShinya Kuribayashi bool "R5500" 1158542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1159542c1020SShinya Kuribayashi select CPU_HAS_LLSC 1160542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1161542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 1162542c1020SShinya Kuribayashi help 1163542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1164542c1020SShinya Kuribayashi instruction set. 1165542c1020SShinya Kuribayashi 11661da177e4SLinus Torvaldsconfig CPU_R6000 11671da177e4SLinus Torvalds bool "R6000" 1168ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1169f7062ddbSRalf Baechle select CPU_HAS_LLSC 11707cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1171ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11721da177e4SLinus Torvalds help 11731da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1174c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 11751da177e4SLinus Torvalds 11761da177e4SLinus Torvaldsconfig CPU_NEVADA 11771da177e4SLinus Torvalds bool "RM52xx" 11787cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1179f7062ddbSRalf Baechle select CPU_HAS_LLSC 1180ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1181ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11821da177e4SLinus Torvalds help 11831da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11841da177e4SLinus Torvalds 11851da177e4SLinus Torvaldsconfig CPU_R8000 11861da177e4SLinus Torvalds bool "R8000" 1187ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 11887cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1189f7062ddbSRalf Baechle select CPU_HAS_LLSC 11905e83d430SRalf Baechle select CPU_HAS_PREFETCH 1191ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11921da177e4SLinus Torvalds help 11931da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 11941da177e4SLinus Torvalds uncommon and the support for them is incomplete. 11951da177e4SLinus Torvalds 11961da177e4SLinus Torvaldsconfig CPU_R10000 11971da177e4SLinus Torvalds bool "R10000" 11987cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1199f7062ddbSRalf Baechle select CPU_HAS_LLSC 12005e83d430SRalf Baechle select CPU_HAS_PREFETCH 1201ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1202ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1203797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12041da177e4SLinus Torvalds help 12051da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvaldsconfig CPU_RM7000 12081da177e4SLinus Torvalds bool "RM7000" 12097cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1210f7062ddbSRalf Baechle select CPU_HAS_LLSC 12115e83d430SRalf Baechle select CPU_HAS_PREFETCH 1212ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1213ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1214797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12151da177e4SLinus Torvalds 12161da177e4SLinus Torvaldsconfig CPU_RM9000 12171da177e4SLinus Torvalds bool "RM9000" 12187cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1219f7062ddbSRalf Baechle select CPU_HAS_LLSC 12205e83d430SRalf Baechle select CPU_HAS_PREFETCH 1221ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1222ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1223797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12240004a9dfSRalf Baechle select WEAK_ORDERING 12251da177e4SLinus Torvalds 12261da177e4SLinus Torvaldsconfig CPU_SB1 12271da177e4SLinus Torvalds bool "SB1" 12287cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1229f7062ddbSRalf Baechle select CPU_HAS_LLSC 1230ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1231ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1232797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12330004a9dfSRalf Baechle select WEAK_ORDERING 12341da177e4SLinus Torvalds 1235a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1236a86c7f72SDavid Daney bool "Cavium Octeon processor" 12375e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1238a86c7f72SDavid Daney select IRQ_CPU 1239a86c7f72SDavid Daney select IRQ_CPU_OCTEON 1240a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1241a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1242a86c7f72SDavid Daney select SYS_SUPPORTS_SMP 1243a86c7f72SDavid Daney select NR_CPUS_DEFAULT_16 1244a86c7f72SDavid Daney select WEAK_ORDERING 1245a86c7f72SDavid Daney select WEAK_REORDERING_BEYOND_LLSC 1246a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 1247a86c7f72SDavid Daney help 1248a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1249a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1250a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1251a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1252a86c7f72SDavid Daney 12531da177e4SLinus Torvaldsendchoice 12541da177e4SLinus Torvalds 12552a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 12562a21c730SFuxin Zhang bool 12572a21c730SFuxin Zhang 12587cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12597cf8053bSRalf Baechle bool 12607cf8053bSRalf Baechle 12617cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12627cf8053bSRalf Baechle bool 12637cf8053bSRalf Baechle 12647cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12657cf8053bSRalf Baechle bool 12667cf8053bSRalf Baechle 12677cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 12687cf8053bSRalf Baechle bool 12697cf8053bSRalf Baechle 12707cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 12717cf8053bSRalf Baechle bool 12727cf8053bSRalf Baechle 12737cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 12747cf8053bSRalf Baechle bool 12757cf8053bSRalf Baechle 12767cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 12777cf8053bSRalf Baechle bool 12787cf8053bSRalf Baechle 12797cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 12807cf8053bSRalf Baechle bool 12817cf8053bSRalf Baechle 12827cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 12837cf8053bSRalf Baechle bool 12847cf8053bSRalf Baechle 12857cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 12867cf8053bSRalf Baechle bool 12877cf8053bSRalf Baechle 12887cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 12897cf8053bSRalf Baechle bool 12907cf8053bSRalf Baechle 12917cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 12927cf8053bSRalf Baechle bool 12937cf8053bSRalf Baechle 1294542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1295542c1020SShinya Kuribayashi bool 1296542c1020SShinya Kuribayashi 12977cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 12987cf8053bSRalf Baechle bool 12997cf8053bSRalf Baechle 13007cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 13017cf8053bSRalf Baechle bool 13027cf8053bSRalf Baechle 13037cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 13047cf8053bSRalf Baechle bool 13057cf8053bSRalf Baechle 13067cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 13077cf8053bSRalf Baechle bool 13087cf8053bSRalf Baechle 13097cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13107cf8053bSRalf Baechle bool 13117cf8053bSRalf Baechle 13127cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13137cf8053bSRalf Baechle bool 13147cf8053bSRalf Baechle 13157cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13167cf8053bSRalf Baechle bool 13177cf8053bSRalf Baechle 13185e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 13195e683389SDavid Daney bool 13205e683389SDavid Daney 132117099b11SRalf Baechle# 132217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 132317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 132417099b11SRalf Baechle# 13250004a9dfSRalf Baechleconfig WEAK_ORDERING 13260004a9dfSRalf Baechle bool 132717099b11SRalf Baechle 132817099b11SRalf Baechle# 132917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 133017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 133117099b11SRalf Baechle# 133217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 133317099b11SRalf Baechle bool 13345e83d430SRalf Baechleendmenu 13355e83d430SRalf Baechle 13365e83d430SRalf Baechle# 13375e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13385e83d430SRalf Baechle# 13395e83d430SRalf Baechleconfig CPU_MIPS32 13405e83d430SRalf Baechle bool 13415e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13425e83d430SRalf Baechle 13435e83d430SRalf Baechleconfig CPU_MIPS64 13445e83d430SRalf Baechle bool 13455e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13465e83d430SRalf Baechle 13475e83d430SRalf Baechle# 1348c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13495e83d430SRalf Baechle# 13505e83d430SRalf Baechleconfig CPU_MIPSR1 13515e83d430SRalf Baechle bool 13525e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13535e83d430SRalf Baechle 13545e83d430SRalf Baechleconfig CPU_MIPSR2 13555e83d430SRalf Baechle bool 1356a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 13575e83d430SRalf Baechle 13585e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13595e83d430SRalf Baechle bool 13605e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13615e83d430SRalf Baechle bool 13625e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13635e83d430SRalf Baechle bool 13645e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13655e83d430SRalf Baechle bool 13665e83d430SRalf Baechle 13678192c9eaSDavid Daney# 13688192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 13698192c9eaSDavid Daney# 13708192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 13718192c9eaSDavid Daney bool 1372f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 13738192c9eaSDavid Daney 13745e83d430SRalf Baechlemenu "Kernel type" 13755e83d430SRalf Baechle 13765e83d430SRalf Baechlechoice 13775e83d430SRalf Baechle 13785e83d430SRalf Baechle prompt "Kernel code model" 13795e83d430SRalf Baechle help 13805e83d430SRalf Baechle You should only select this option if you have a workload that 13815e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13825e83d430SRalf Baechle large memory. You will only be presented a single option in this 13835e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13845e83d430SRalf Baechle 13855e83d430SRalf Baechleconfig 32BIT 13865e83d430SRalf Baechle bool "32-bit kernel" 13875e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13885e83d430SRalf Baechle select TRAD_SIGNALS 13895e83d430SRalf Baechle help 13905e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13915e83d430SRalf Baechleconfig 64BIT 13925e83d430SRalf Baechle bool "64-bit kernel" 13935e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1394dbda6ac0SRalf Baechle select HAVE_SYSCALL_WRAPPERS 13955e83d430SRalf Baechle help 13965e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13975e83d430SRalf Baechle 13985e83d430SRalf Baechleendchoice 13995e83d430SRalf Baechle 14001da177e4SLinus Torvaldschoice 14011da177e4SLinus Torvalds prompt "Kernel page size" 14021da177e4SLinus Torvalds default PAGE_SIZE_4KB 14031da177e4SLinus Torvalds 14041da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 14051da177e4SLinus Torvalds bool "4kB" 14061da177e4SLinus Torvalds help 14071da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 14081da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 14091da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 14101da177e4SLinus Torvalds recommended for low memory systems. 14111da177e4SLinus Torvalds 14121da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 14131da177e4SLinus Torvalds bool "8kB" 1414c52399beSRalf Baechle depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 14151da177e4SLinus Torvalds help 14161da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 14171da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1418c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1419c52399beSRalf Baechle suitable Linux distribution to support this. 14201da177e4SLinus Torvalds 14211da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14221da177e4SLinus Torvalds bool "16kB" 1423714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14241da177e4SLinus Torvalds help 14251da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14261da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1427714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1428714bfad6SRalf Baechle Linux distribution to support this. 14291da177e4SLinus Torvalds 1430c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1431c52399beSRalf Baechle bool "32kB" 1432c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1433c52399beSRalf Baechle help 1434c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1435c52399beSRalf Baechle the price of higher memory consumption. This option is available 1436c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1437c52399beSRalf Baechle distribution to support this. 1438c52399beSRalf Baechle 14391da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14401da177e4SLinus Torvalds bool "64kB" 14411da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14421da177e4SLinus Torvalds help 14431da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14441da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14451da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1446714bfad6SRalf Baechle writing this option is still high experimental. 14471da177e4SLinus Torvalds 14481da177e4SLinus Torvaldsendchoice 14491da177e4SLinus Torvalds 14501da177e4SLinus Torvaldsconfig BOARD_SCACHE 14511da177e4SLinus Torvalds bool 14521da177e4SLinus Torvalds 14531da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14541da177e4SLinus Torvalds bool 14551da177e4SLinus Torvalds select BOARD_SCACHE 14561da177e4SLinus Torvalds 14579318c51aSChris Dearman# 14589318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14599318c51aSChris Dearman# 14609318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14619318c51aSChris Dearman bool 14629318c51aSChris Dearman select BOARD_SCACHE 14639318c51aSChris Dearman 14641da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14651da177e4SLinus Torvalds bool 14661da177e4SLinus Torvalds select BOARD_SCACHE 14671da177e4SLinus Torvalds 14681da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14691da177e4SLinus Torvalds bool 14701da177e4SLinus Torvalds select BOARD_SCACHE 14711da177e4SLinus Torvalds 14721da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14731da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14741da177e4SLinus Torvalds depends on CPU_SB1 14751da177e4SLinus Torvalds help 14761da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14771da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14781da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14791da177e4SLinus Torvalds 14801da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1481c8094b53SRalf Baechle bool 14821da177e4SLinus Torvalds 1483340ee4b9SRalf Baechlechoice 1484340ee4b9SRalf Baechle prompt "MIPS MT options" 1485f41ae0b2SRalf Baechle 1486f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1487f41ae0b2SRalf Baechle bool "Disable multithreading support." 1488f41ae0b2SRalf Baechle help 1489f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1490f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1491f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1492f41ae0b2SRalf Baechle option in this menu. 1493340ee4b9SRalf Baechle 149459d6ab86SRalf Baechleconfig MIPS_MT_SMP 149559d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 149659d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 149759d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1498d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 149959d6ab86SRalf Baechle select MIPS_MT 1500f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 150159d6ab86SRalf Baechle select SMP 15020ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 150359d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 150487353d8aSRalf Baechle select SMP_UP 150559d6ab86SRalf Baechle help 150659d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 150759d6ab86SRalf Baechle has been marketesed into SMVP. 150859d6ab86SRalf Baechle 150941c594abSRalf Baechleconfig MIPS_MT_SMTC 151041c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1511f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1512f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1513f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1514f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1515d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1516f41ae0b2SRalf Baechle select MIPS_MT 1517130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 151841c594abSRalf Baechle select SMP 151973b76c78SRalf Baechle select SYS_SUPPORTS_SMP 152087353d8aSRalf Baechle select SMP_UP 1521f41ae0b2SRalf Baechle help 1522f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1523f41ae0b2SRalf Baechle marketesed into SMVP. 152441c594abSRalf Baechle 1525340ee4b9SRalf Baechleendchoice 1526340ee4b9SRalf Baechle 1527f41ae0b2SRalf Baechleconfig MIPS_MT 1528f41ae0b2SRalf Baechle bool 1529f41ae0b2SRalf Baechle 15300ab7aefcSRalf Baechleconfig SCHED_SMT 15310ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15320ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15330ab7aefcSRalf Baechle default n 15340ab7aefcSRalf Baechle help 15350ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15360ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15370ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15380ab7aefcSRalf Baechle 15390ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15400ab7aefcSRalf Baechle bool 15410ab7aefcSRalf Baechle 15420ab7aefcSRalf Baechle 1543f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1544f41ae0b2SRalf Baechle bool 1545f41ae0b2SRalf Baechle 1546f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1547f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1548f088fc84SRalf Baechle default y 154907cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 155007cc0c9eSRalf Baechle 155107cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 155207cc0c9eSRalf Baechle bool "VPE loader support." 155307cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 155407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 155507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 155607cc0c9eSRalf Baechle select MIPS_MT 155707cc0c9eSRalf Baechle help 155807cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 155907cc0c9eSRalf Baechle onto another VPE and running it. 1560f088fc84SRalf Baechle 15610db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15620db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15630db34215SKevin D. Kissell depends on MIPS_MT_SMTC 15648531a35eSKevin D. Kissell default n 15650db34215SKevin D. Kissell help 15660db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 15670db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 15680db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 15690db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 15700db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 15718531a35eSKevin D. Kissell impact on interrupt service overhead. 15720db34215SKevin D. Kissell 1573f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1574f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1575f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1576f571eff0SKevin D. Kissell default n 1577f571eff0SKevin D. Kissell help 1578f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1579f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1580f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 15818531a35eSKevin D. Kissell platform code. Adds some overhead to interrupt dispatch, and 15828531a35eSKevin D. Kissell should be used only if you know what you are doing. 1583f571eff0SKevin D. Kissell 1584e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1585e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1586e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1587e01402b1SRalf Baechle default y 1588e01402b1SRalf Baechle help 1589e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1590e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1591e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1592e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1593e01402b1SRalf Baechle 1594e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1595e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1596e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1597e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 15985e83d430SRalf Baechle help 1599e01402b1SRalf Baechle 16002600990eSRalf Baechleconfig MIPS_APSP_KSPD 16012600990eSRalf Baechle bool "Enable KSPD" 16022600990eSRalf Baechle depends on MIPS_VPE_APSP_API 16032600990eSRalf Baechle default y 16042600990eSRalf Baechle help 16052600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 16062600990eSRalf Baechle side, actions them and returns the results. It also handles the 16072600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 16082600990eSRalf Baechle exiting. You probably want to say yes here. 16092600990eSRalf Baechle 16104a16ff4cSRalf Baechleconfig MIPS_CMP 16114a16ff4cSRalf Baechle bool "MIPS CMP framework support" 16124a16ff4cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 16134a16ff4cSRalf Baechle select SYNC_R4K if BROKEN 16144a16ff4cSRalf Baechle select SYS_SUPPORTS_SMP 16154a16ff4cSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 16164a16ff4cSRalf Baechle select WEAK_ORDERING 16174a16ff4cSRalf Baechle default n 16184a16ff4cSRalf Baechle help 16194a16ff4cSRalf Baechle This is a placeholder option for the GCMP work. It will need to 16204a16ff4cSRalf Baechle be handled differently... 16214a16ff4cSRalf Baechle 16221da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16231da177e4SLinus Torvalds bool 16241da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16251da177e4SLinus Torvalds default y 16261da177e4SLinus Torvalds 16271da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16281da177e4SLinus Torvalds bool 16291da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16301da177e4SLinus Torvalds default y 16311da177e4SLinus Torvalds 16321da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16331da177e4SLinus Torvalds bool 16341da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16351da177e4SLinus Torvalds default y 16361da177e4SLinus Torvalds 16371da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1638d806cb2bSRalf Baechle bool 16391da177e4SLinus Torvalds 16401da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1641f7062ddbSRalf Baechle bool 16421da177e4SLinus Torvalds 16439693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16449693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16459693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16469693a853SFranck Bui-Huu help 16479693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16489693a853SFranck Bui-Huu increased security at both hardware and software level for 16499693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16509693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16519693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16529693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16539693a853SFranck Bui-Huu here. 16549693a853SFranck Bui-Huu 16551da177e4SLinus Torvaldsconfig CPU_HAS_WB 1656f7062ddbSRalf Baechle bool 1657e01402b1SRalf Baechle 1658f41ae0b2SRalf Baechle# 1659f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1660f41ae0b2SRalf Baechle# 1661e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1662f41ae0b2SRalf Baechle bool 1663e01402b1SRalf Baechle 1664f41ae0b2SRalf Baechle# 1665f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1666f41ae0b2SRalf Baechle# 1667e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1668f41ae0b2SRalf Baechle bool 1669e01402b1SRalf Baechle 16701da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 16711da177e4SLinus Torvalds bool 16721da177e4SLinus Torvalds depends on !CPU_R3000 16731da177e4SLinus Torvalds default y 16741da177e4SLinus Torvalds 1675ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1676ea580401SRalf Baechle bool 1677ea580401SRalf Baechle 16781da177e4SLinus Torvalds# 167920d60d99SMaciej W. Rozycki# CPU non-features 168020d60d99SMaciej W. Rozycki# 168120d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 168220d60d99SMaciej W. Rozycki bool 168320d60d99SMaciej W. Rozycki 168420d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 168520d60d99SMaciej W. Rozycki bool 168620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 168720d60d99SMaciej W. Rozycki 168820d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 168920d60d99SMaciej W. Rozycki bool 169020d60d99SMaciej W. Rozycki 169120d60d99SMaciej W. Rozycki# 1692797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1693797798c1SRalf Baechle# 1694797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1695797798c1SRalf Baechle bool 1696797798c1SRalf Baechle default y 1697797798c1SRalf Baechle 1698797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1699797798c1SRalf Baechle bool 1700797798c1SRalf Baechle default y 1701797798c1SRalf Baechle 17020d7012a9SIngo Molnarconfig IRQ_PER_CPU 17030d7012a9SIngo Molnar bool 17040d7012a9SIngo Molnar 1705797798c1SRalf Baechle# 17061da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 17071da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 17081da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 17091da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 17101da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 17111da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 17121da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 17131da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1714797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1715797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1716797798c1SRalf Baechle# support. 17171da177e4SLinus Torvalds# 17181da177e4SLinus Torvaldsconfig HIGHMEM 17191da177e4SLinus Torvalds bool "High Memory Support" 1720797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1721797798c1SRalf Baechle 1722797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1723797798c1SRalf Baechle bool 1724797798c1SRalf Baechle 1725797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1726797798c1SRalf Baechle bool 17271da177e4SLinus Torvalds 17289693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17299693a853SFranck Bui-Huu bool 17309693a853SFranck Bui-Huu 1731b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1732b4819b59SYoichi Yuasa def_bool y 1733b4819b59SYoichi Yuasa depends on !NUMA 1734b4819b59SYoichi Yuasa 1735d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1736d8cb4e11SRalf Baechle bool 1737d8cb4e11SRalf Baechle default y if SGI_IP27 1738d8cb4e11SRalf Baechle help 17393dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1740d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1741d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1742d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1743d8cb4e11SRalf Baechle 1744cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1745cce335aeSRalf Baechle def_bool y 1746cce335aeSRalf Baechle 1747b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1748b1c6cd42SAtsushi Nemoto bool 17497de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 175031473747SAtsushi Nemoto 1751d8cb4e11SRalf Baechleconfig NUMA 1752d8cb4e11SRalf Baechle bool "NUMA Support" 1753d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1754d8cb4e11SRalf Baechle help 1755d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1756d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1757d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1758d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1759d8cb4e11SRalf Baechle disabled. 1760d8cb4e11SRalf Baechle 1761d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1762d8cb4e11SRalf Baechle bool 1763d8cb4e11SRalf Baechle 1764c80d79d7SYasunori Gotoconfig NODES_SHIFT 1765c80d79d7SYasunori Goto int 1766c80d79d7SYasunori Goto default "6" 1767c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1768c80d79d7SYasunori Goto 1769b4819b59SYoichi Yuasasource "mm/Kconfig" 1770b4819b59SYoichi Yuasa 17711da177e4SLinus Torvaldsconfig SMP 17721da177e4SLinus Torvalds bool "Multi-Processing support" 1773e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1774b4b30a5aSRalf Baechle select IRQ_PER_CPU 17752f304c0aSJens Axboe select USE_GENERIC_SMP_HELPERS 1776e73ea273SRalf Baechle help 17771da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 17781da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 17791da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 17801da177e4SLinus Torvalds 17811da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 17821da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 17831da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 17841da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 17851da177e4SLinus Torvalds will run faster if you say N here. 17861da177e4SLinus Torvalds 17871da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 17881da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 17891da177e4SLinus Torvalds 179003502faaSAdrian Bunk See also the SMP-HOWTO available at 179103502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 17921da177e4SLinus Torvalds 17931da177e4SLinus Torvalds If you don't know what to do here, say N. 17941da177e4SLinus Torvalds 179587353d8aSRalf Baechleconfig SMP_UP 179687353d8aSRalf Baechle bool 179787353d8aSRalf Baechle 17984a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 17994a16ff4cSRalf Baechle bool 18004a16ff4cSRalf Baechle 1801e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1802e73ea273SRalf Baechle bool 1803e73ea273SRalf Baechle 180472ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 180572ede9b1SAtsushi Nemoto bool 180672ede9b1SAtsushi Nemoto 1807130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1808130e2fb7SRalf Baechle bool 1809130e2fb7SRalf Baechle 1810130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1811130e2fb7SRalf Baechle bool 1812130e2fb7SRalf Baechle 1813130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1814130e2fb7SRalf Baechle bool 1815130e2fb7SRalf Baechle 1816130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1817130e2fb7SRalf Baechle bool 1818130e2fb7SRalf Baechle 1819130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1820130e2fb7SRalf Baechle bool 1821130e2fb7SRalf Baechle 1822130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1823130e2fb7SRalf Baechle bool 1824130e2fb7SRalf Baechle 18251da177e4SLinus Torvaldsconfig NR_CPUS 18261da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 182772ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 18281da177e4SLinus Torvalds depends on SMP 182972ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1830130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1831130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1832130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1833130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1834130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1835130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18361da177e4SLinus Torvalds help 18371da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18381da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18391da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 184072ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 184172ede9b1SAtsushi Nemoto and 2 for all others. 18421da177e4SLinus Torvalds 18431da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 184472ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 184572ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 184672ede9b1SAtsushi Nemoto power of two. 18471da177e4SLinus Torvalds 1848c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1849c4eee283SAtsushi Nemoto 18501723b4a3SAtsushi Nemoto# 18511723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18521723b4a3SAtsushi Nemoto# 18531723b4a3SAtsushi Nemoto 18541723b4a3SAtsushi Nemotochoice 18551723b4a3SAtsushi Nemoto prompt "Timer frequency" 18561723b4a3SAtsushi Nemoto default HZ_250 18571723b4a3SAtsushi Nemoto help 18581723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18591723b4a3SAtsushi Nemoto 18601723b4a3SAtsushi Nemoto config HZ_48 18610f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 18621723b4a3SAtsushi Nemoto 18631723b4a3SAtsushi Nemoto config HZ_100 18641723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18651723b4a3SAtsushi Nemoto 18661723b4a3SAtsushi Nemoto config HZ_128 18671723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 18681723b4a3SAtsushi Nemoto 18691723b4a3SAtsushi Nemoto config HZ_250 18701723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 18711723b4a3SAtsushi Nemoto 18721723b4a3SAtsushi Nemoto config HZ_256 18731723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 18741723b4a3SAtsushi Nemoto 18751723b4a3SAtsushi Nemoto config HZ_1000 18761723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 18771723b4a3SAtsushi Nemoto 18781723b4a3SAtsushi Nemoto config HZ_1024 18791723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 18801723b4a3SAtsushi Nemoto 18811723b4a3SAtsushi Nemotoendchoice 18821723b4a3SAtsushi Nemoto 18831723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 18841723b4a3SAtsushi Nemoto bool 18851723b4a3SAtsushi Nemoto 18861723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 18871723b4a3SAtsushi Nemoto bool 18881723b4a3SAtsushi Nemoto 18891723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 18901723b4a3SAtsushi Nemoto bool 18911723b4a3SAtsushi Nemoto 18921723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 18931723b4a3SAtsushi Nemoto bool 18941723b4a3SAtsushi Nemoto 18951723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 18961723b4a3SAtsushi Nemoto bool 18971723b4a3SAtsushi Nemoto 18981723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 18991723b4a3SAtsushi Nemoto bool 19001723b4a3SAtsushi Nemoto 19011723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 19021723b4a3SAtsushi Nemoto bool 19031723b4a3SAtsushi Nemoto 19041723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 19051723b4a3SAtsushi Nemoto bool 19061723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 19071723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 19081723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 19091723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 19101723b4a3SAtsushi Nemoto 19111723b4a3SAtsushi Nemotoconfig HZ 19121723b4a3SAtsushi Nemoto int 19131723b4a3SAtsushi Nemoto default 48 if HZ_48 19141723b4a3SAtsushi Nemoto default 100 if HZ_100 19151723b4a3SAtsushi Nemoto default 128 if HZ_128 19161723b4a3SAtsushi Nemoto default 250 if HZ_250 19171723b4a3SAtsushi Nemoto default 256 if HZ_256 19181723b4a3SAtsushi Nemoto default 1000 if HZ_1000 19191723b4a3SAtsushi Nemoto default 1024 if HZ_1024 19201723b4a3SAtsushi Nemoto 1921e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 19221da177e4SLinus Torvalds 19231da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 19241da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1925875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 19261da177e4SLinus Torvalds help 19271da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 19281da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 19291da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 19301da177e4SLinus Torvalds This will result in additional memory usage, so it is not 19311da177e4SLinus Torvalds recommended for normal users. 19321da177e4SLinus Torvalds 1933ea6e942bSAtsushi Nemotoconfig KEXEC 1934ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1935ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1936ea6e942bSAtsushi Nemoto help 1937ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1938ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19393dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1940ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1941ea6e942bSAtsushi Nemoto 194201dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1943ea6e942bSAtsushi Nemoto 1944ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1945ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1946ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1947ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1948ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1949ea6e942bSAtsushi Nemoto 1950ea6e942bSAtsushi Nemotoconfig SECCOMP 1951ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1952293c5bd1SRalf Baechle depends on PROC_FS 1953ea6e942bSAtsushi Nemoto default y 1954ea6e942bSAtsushi Nemoto help 1955ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1956ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1957ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1958ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1959ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1960ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1961ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1962ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1963ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1964ea6e942bSAtsushi Nemoto 1965ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1966ea6e942bSAtsushi Nemoto 19675e83d430SRalf Baechleendmenu 19685e83d430SRalf Baechle 19691df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 19701df0f0ffSAtsushi Nemoto bool 19711df0f0ffSAtsushi Nemoto default y 19721df0f0ffSAtsushi Nemoto 19731df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 19741df0f0ffSAtsushi Nemoto bool 19751df0f0ffSAtsushi Nemoto default y 19761df0f0ffSAtsushi Nemoto 1977b6c3539bSRalf Baechlesource "init/Kconfig" 1978b6c3539bSRalf Baechle 19790011036bSAtsushi Nemotoconfig PROBE_INITRD_HEADER 19800011036bSAtsushi Nemoto bool "Probe initrd header created by addinitrd" 19810011036bSAtsushi Nemoto depends on BLK_DEV_INITRD 19820011036bSAtsushi Nemoto help 19830011036bSAtsushi Nemoto Probe initrd header at the last page of kernel image. 19840011036bSAtsushi Nemoto Say Y here if you are using arch/mips/boot/addinitrd.c to 19850011036bSAtsushi Nemoto add initrd or initramfs image to the kernel image. 19860011036bSAtsushi Nemoto Otherwise, say N. 19870011036bSAtsushi Nemoto 1988dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 1989dc52ddc0SMatt Helsley 19901da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 19911da177e4SLinus Torvalds 19925e83d430SRalf Baechleconfig HW_HAS_EISA 19935e83d430SRalf Baechle bool 19941da177e4SLinus Torvaldsconfig HW_HAS_PCI 19951da177e4SLinus Torvalds bool 19961da177e4SLinus Torvalds 19971da177e4SLinus Torvaldsconfig PCI 19981da177e4SLinus Torvalds bool "Support for PCI controller" 19991da177e4SLinus Torvalds depends on HW_HAS_PCI 2000abb4ae46SRalf Baechle select PCI_DOMAINS 20011da177e4SLinus Torvalds help 20021da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 20031da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 20041da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 20051da177e4SLinus Torvalds say Y, otherwise N. 20061da177e4SLinus Torvalds 20071da177e4SLinus Torvaldsconfig PCI_DOMAINS 20081da177e4SLinus Torvalds bool 20091da177e4SLinus Torvalds 20101da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 20111da177e4SLinus Torvalds 20121da177e4SLinus Torvalds# 20131da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 20141da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 20151da177e4SLinus Torvalds# users to choose the right thing ... 20161da177e4SLinus Torvalds# 20171da177e4SLinus Torvaldsconfig ISA 20181da177e4SLinus Torvalds bool 20191da177e4SLinus Torvalds 20201da177e4SLinus Torvaldsconfig EISA 20211da177e4SLinus Torvalds bool "EISA support" 20225e83d430SRalf Baechle depends on HW_HAS_EISA 20231da177e4SLinus Torvalds select ISA 2024aa414dffSRalf Baechle select GENERIC_ISA_DMA 20251da177e4SLinus Torvalds ---help--- 20261da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20271da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20281da177e4SLinus Torvalds 20291da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20301da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20311da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20321da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20331da177e4SLinus Torvalds 20341da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20351da177e4SLinus Torvalds 20361da177e4SLinus Torvalds Otherwise, say N. 20371da177e4SLinus Torvalds 20381da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20391da177e4SLinus Torvalds 20401da177e4SLinus Torvaldsconfig TC 20411da177e4SLinus Torvalds bool "TURBOchannel support" 20421da177e4SLinus Torvalds depends on MACH_DECSTATION 20431da177e4SLinus Torvalds help 20441da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20451da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20461da177e4SLinus Torvalds is available at: 20471da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20481da177e4SLinus Torvalds 20491da177e4SLinus Torvalds#config ACCESSBUS 20501da177e4SLinus Torvalds# bool "Access.Bus support" 20511da177e4SLinus Torvalds# depends on TC 20521da177e4SLinus Torvalds 20531da177e4SLinus Torvaldsconfig MMU 20541da177e4SLinus Torvalds bool 20551da177e4SLinus Torvalds default y 20561da177e4SLinus Torvalds 2057d865bea4SRalf Baechleconfig I8253 2058d865bea4SRalf Baechle bool 2059d865bea4SRalf Baechle 2060cce335aeSRalf Baechleconfig ZONE_DMA32 2061cce335aeSRalf Baechle bool 2062cce335aeSRalf Baechle 20631da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20641da177e4SLinus Torvalds 20651da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20661da177e4SLinus Torvalds 20671da177e4SLinus Torvaldsendmenu 20681da177e4SLinus Torvalds 20691da177e4SLinus Torvaldsmenu "Executable file formats" 20701da177e4SLinus Torvalds 20711da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 20721da177e4SLinus Torvalds 20731da177e4SLinus Torvaldsconfig TRAD_SIGNALS 20741da177e4SLinus Torvalds bool 20751da177e4SLinus Torvalds 20761da177e4SLinus Torvaldsconfig MIPS32_COMPAT 20771da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2078875d43e7SRalf Baechle depends on 64BIT 20791da177e4SLinus Torvalds help 20801da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 20811da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 20821da177e4SLinus Torvalds currently 32-bit you should say Y here. 20831da177e4SLinus Torvalds 20841da177e4SLinus Torvaldsconfig COMPAT 20851da177e4SLinus Torvalds bool 20861da177e4SLinus Torvalds depends on MIPS32_COMPAT 20871da177e4SLinus Torvalds default y 20881da177e4SLinus Torvalds 208905e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 209005e43966SAtsushi Nemoto bool 209105e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 209205e43966SAtsushi Nemoto default y 209305e43966SAtsushi Nemoto 20941da177e4SLinus Torvaldsconfig MIPS32_O32 20951da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 20961da177e4SLinus Torvalds depends on MIPS32_COMPAT 20971da177e4SLinus Torvalds help 20981da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 20991da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 21001da177e4SLinus Torvalds existing binaries are in this format. 21011da177e4SLinus Torvalds 21021da177e4SLinus Torvalds If unsure, say Y. 21031da177e4SLinus Torvalds 21041da177e4SLinus Torvaldsconfig MIPS32_N32 21051da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 21061da177e4SLinus Torvalds depends on MIPS32_COMPAT 21071da177e4SLinus Torvalds help 21081da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 21091da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 21101da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 21111da177e4SLinus Torvalds cases. 21121da177e4SLinus Torvalds 21131da177e4SLinus Torvalds If unsure, say N. 21141da177e4SLinus Torvalds 21151da177e4SLinus Torvaldsconfig BINFMT_ELF32 21161da177e4SLinus Torvalds bool 21171da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 21181da177e4SLinus Torvalds 21192116245eSRalf Baechleendmenu 21201da177e4SLinus Torvalds 21212116245eSRalf Baechlemenu "Power management options" 2122952fa954SRodolfo Giometti 2123f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2124f4cb5700SJohannes Berg def_bool y 2125f4cb5700SJohannes Berg depends on !SMP 2126f4cb5700SJohannes Berg 21272116245eSRalf Baechlesource "kernel/power/Kconfig" 2128952fa954SRodolfo Giometti 21291da177e4SLinus Torvaldsendmenu 21301da177e4SLinus Torvalds 2131d5950b43SSam Ravnborgsource "net/Kconfig" 2132d5950b43SSam Ravnborg 21331da177e4SLinus Torvaldssource "drivers/Kconfig" 21341da177e4SLinus Torvalds 21351da177e4SLinus Torvaldssource "fs/Kconfig" 21361da177e4SLinus Torvalds 21371da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21381da177e4SLinus Torvalds 21391da177e4SLinus Torvaldssource "security/Kconfig" 21401da177e4SLinus Torvalds 21411da177e4SLinus Torvaldssource "crypto/Kconfig" 21421da177e4SLinus Torvalds 21431da177e4SLinus Torvaldssource "lib/Kconfig" 2144