11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4*f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 5ec7748b5SSam Ravnborg select HAVE_IDE 642d4b839SMathieu Desnoyers select HAVE_OPROFILE 788547001SJason Wessel select HAVE_ARCH_KGDB 81da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 91da177e4SLinus Torvalds select EMBEDDED 108e497117SWu Zhangjin select RTC_LIB if !LEMOTE_FULOONG2E 111da177e4SLinus Torvalds 121da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 131da177e4SLinus Torvalds 141da177e4SLinus Torvaldsmenu "Machine selection" 151da177e4SLinus Torvalds 165ac6da66SChristoph Lameterconfig ZONE_DMA 175ac6da66SChristoph Lameter bool 185ac6da66SChristoph Lameter 195e83d430SRalf Baechlechoice 205e83d430SRalf Baechle prompt "System type" 215e83d430SRalf Baechle default SGI_IP22 221da177e4SLinus Torvalds 23c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 24c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 251da177e4SLinus Torvalds 267ca5dc14SFlorian Fainelliconfig AR7 277ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 287ca5dc14SFlorian Fainelli select BOOT_ELF32 297ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 307ca5dc14SFlorian Fainelli select CEVT_R4K 317ca5dc14SFlorian Fainelli select CSRC_R4K 327ca5dc14SFlorian Fainelli select IRQ_CPU 337ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 347ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 357ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 367ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 377ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 387ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 397ca5dc14SFlorian Fainelli select GENERIC_GPIO 407ca5dc14SFlorian Fainelli select GCD 417ca5dc14SFlorian Fainelli select VLYNQ 427ca5dc14SFlorian Fainelli help 437ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 447ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 457ca5dc14SFlorian Fainelli 4635189fadSRalf Baechleconfig BASLER_EXCITE 47be91589eSThomas Koeller bool "Basler eXcite smart camera" 4842f77542SRalf Baechle select CEVT_R4K 49940f6b48SRalf Baechle select CSRC_R4K 5035189fadSRalf Baechle select DMA_COHERENT 5135189fadSRalf Baechle select HW_HAS_PCI 5235189fadSRalf Baechle select IRQ_CPU 5335189fadSRalf Baechle select IRQ_CPU_RM7K 5435189fadSRalf Baechle select IRQ_CPU_RM9K 55663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 5635189fadSRalf Baechle select SYS_HAS_CPU_RM9000 5735189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5835189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5935189fadSRalf Baechle help 6035189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 61be91589eSThomas Koeller Basler Vision Technologies AG. 6235189fadSRalf Baechle 631c0c13ebSAurelien Jarnoconfig BCM47XX 641c0c13ebSAurelien Jarno bool "BCM47XX based boards" 6542f77542SRalf Baechle select CEVT_R4K 66940f6b48SRalf Baechle select CSRC_R4K 671c0c13ebSAurelien Jarno select DMA_NONCOHERENT 681c0c13ebSAurelien Jarno select HW_HAS_PCI 691c0c13ebSAurelien Jarno select IRQ_CPU 701c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 711c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 721c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 731c0c13ebSAurelien Jarno select SSB 741c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 752f02c15aSAurelien Jarno select SSB_DRIVER_EXTIF 76b06f3e19SAurelien Jarno select SSB_EMBEDDED 772f02c15aSAurelien Jarno select SSB_PCICORE_HOSTMODE if PCI 781c0c13ebSAurelien Jarno select GENERIC_GPIO 7925e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 8025e5fb97SAurelien Jarno select CFE 811c0c13ebSAurelien Jarno help 821c0c13ebSAurelien Jarno Support for BCM47XX based boards 831c0c13ebSAurelien Jarno 84e7300d04SMaxime Bizonconfig BCM63XX 85e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 86e7300d04SMaxime Bizon select CEVT_R4K 87e7300d04SMaxime Bizon select CSRC_R4K 88e7300d04SMaxime Bizon select DMA_NONCOHERENT 89e7300d04SMaxime Bizon select IRQ_CPU 90e7300d04SMaxime Bizon select SYS_HAS_CPU_MIPS32_R1 91e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 92e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 93e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 94e7300d04SMaxime Bizon select SWAP_IO_SPACE 95e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 96e7300d04SMaxime Bizon help 97e7300d04SMaxime Bizon Support for BCM63XX based boards 98e7300d04SMaxime Bizon 991da177e4SLinus Torvaldsconfig MIPS_COBALT 1003fa986faSMartin Michlmayr bool "Cobalt Server" 10142f77542SRalf Baechle select CEVT_R4K 102940f6b48SRalf Baechle select CSRC_R4K 1031097c6acSYoichi Yuasa select CEVT_GT641XX 1041da177e4SLinus Torvalds select DMA_NONCOHERENT 1051da177e4SLinus Torvalds select HW_HAS_PCI 106d865bea4SRalf Baechle select I8253 1071da177e4SLinus Torvalds select I8259 1081da177e4SLinus Torvalds select IRQ_CPU 109d5ab1a69SYoichi Yuasa select IRQ_GT641XX 110252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 111e25bfc92SYoichi Yuasa select PCI 1127cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1130a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 114ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 1150e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 1165e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1171da177e4SLinus Torvalds 1181da177e4SLinus Torvaldsconfig MACH_DECSTATION 1193fa986faSMartin Michlmayr bool "DECstations" 1201da177e4SLinus Torvalds select BOOT_ELF32 1216457d9fcSYoichi Yuasa select CEVT_DS1287 12242f77542SRalf Baechle select CEVT_R4K 1234247417dSYoichi Yuasa select CSRC_IOASIC 124940f6b48SRalf Baechle select CSRC_R4K 12520d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 12620d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 12720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 1281da177e4SLinus Torvalds select DMA_NONCOHERENT 129d388d685SMaciej W. Rozycki select NO_IOPORT 1301da177e4SLinus Torvalds select IRQ_CPU 1317cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 1327cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 133ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 134ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1355e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1361723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 1371723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 1381723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 1395e83d430SRalf Baechle help 1401da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1411da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1421da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1431da177e4SLinus Torvalds 1441da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1451da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1461da177e4SLinus Torvalds 1471da177e4SLinus Torvalds DECstation 5000/50 1481da177e4SLinus Torvalds DECstation 5000/150 1491da177e4SLinus Torvalds DECstation 5000/260 1501da177e4SLinus Torvalds DECsystem 5900/260 1511da177e4SLinus Torvalds 1521da177e4SLinus Torvalds otherwise choose R3000. 1531da177e4SLinus Torvalds 1545e83d430SRalf Baechleconfig MACH_JAZZ 1553fa986faSMartin Michlmayr bool "Jazz family of machines" 1565e83d430SRalf Baechle select ARC 1575e83d430SRalf Baechle select ARC32 1585e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 15942f77542SRalf Baechle select CEVT_R4K 160940f6b48SRalf Baechle select CSRC_R4K 161e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1625e83d430SRalf Baechle select GENERIC_ISA_DMA 163ea202c63SThomas Bogendoerfer select IRQ_CPU 164d865bea4SRalf Baechle select I8253 1655e83d430SRalf Baechle select I8259 1665e83d430SRalf Baechle select ISA 1677cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1685e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1695e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1701723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1711da177e4SLinus Torvalds help 1725e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1735e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 174692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 1755e83d430SRalf Baechle Olivetti M700-10 workstations. 1765e83d430SRalf Baechle 1771f21d2bdSBrian Murphyconfig LASAT 1781f21d2bdSBrian Murphy bool "LASAT Networks platforms" 17942f77542SRalf Baechle select CEVT_R4K 180940f6b48SRalf Baechle select CSRC_R4K 1811f21d2bdSBrian Murphy select DMA_NONCOHERENT 1821f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1831f21d2bdSBrian Murphy select HW_HAS_PCI 184a5ccfe5cSRalf Baechle select IRQ_CPU 1851f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1861f21d2bdSBrian Murphy select MIPS_NILE4 1871f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1881f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1891f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1901f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1911f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1921f21d2bdSBrian Murphy 19385749d24SWu Zhangjinconfig MACH_LOONGSON 19485749d24SWu Zhangjin bool "Loongson family of machines" 195ade299d8SYoichi Yuasa help 19685749d24SWu Zhangjin This enables the support of Loongson family of machines. 19785749d24SWu Zhangjin 19885749d24SWu Zhangjin Loongson is a family of general-purpose MIPS-compatible CPUs. 19985749d24SWu Zhangjin developed at Institute of Computing Technology (ICT), 20085749d24SWu Zhangjin Chinese Academy of Sciences (CAS) in the People's Republic 20185749d24SWu Zhangjin of China. The chief architect is Professor Weiwu Hu. 202ade299d8SYoichi Yuasa 2031da177e4SLinus Torvaldsconfig MIPS_MALTA 2043fa986faSMartin Michlmayr bool "MIPS Malta board" 20561ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2061da177e4SLinus Torvalds select BOOT_ELF32 207fa71c960SRalf Baechle select BOOT_RAW 20842f77542SRalf Baechle select CEVT_R4K 209940f6b48SRalf Baechle select CSRC_R4K 2101da177e4SLinus Torvalds select DMA_NONCOHERENT 2111da177e4SLinus Torvalds select GENERIC_ISA_DMA 212aa414dffSRalf Baechle select IRQ_CPU 21339b8d525SRalf Baechle select IRQ_GIC 2141da177e4SLinus Torvalds select HW_HAS_PCI 215d865bea4SRalf Baechle select I8253 2161da177e4SLinus Torvalds select I8259 2175e83d430SRalf Baechle select MIPS_BOARDS_GEN 2185e83d430SRalf Baechle select MIPS_BONITO64 2199318c51aSChris Dearman select MIPS_CPU_SCACHE 220252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2215e83d430SRalf Baechle select MIPS_MSC 2221da177e4SLinus Torvalds select SWAP_IO_SPACE 2237cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2247cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2257cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2267cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2277cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 22836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 229ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 230ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2315e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2325e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2330365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 234f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2359693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2361da177e4SLinus Torvalds help 237f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2381da177e4SLinus Torvalds board. 2391da177e4SLinus Torvalds 240c78cbf49SRalf Baechleconfig MIPS_SIM 2413fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 24242f77542SRalf Baechle select CEVT_R4K 243940f6b48SRalf Baechle select CSRC_R4K 244c78cbf49SRalf Baechle select DMA_NONCOHERENT 24536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 246c78cbf49SRalf Baechle select IRQ_CPU 2479267a30dSMarc St-Jean select BOOT_RAW 2487cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2497cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 25036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 251c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 252c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 253f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 254c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 255c78cbf49SRalf Baechle help 256c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 257c78cbf49SRalf Baechle emulator. 258c78cbf49SRalf Baechle 259a83860c2SRalf Baechleconfig NEC_MARKEINS 260a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 261a83860c2SRalf Baechle select SOC_EMMA2RH 262a83860c2SRalf Baechle select HW_HAS_PCI 263a83860c2SRalf Baechle help 264a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 265ade299d8SYoichi Yuasa 2665e83d430SRalf Baechleconfig MACH_VR41XX 26774142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 26842f77542SRalf Baechle select CEVT_R4K 269940f6b48SRalf Baechle select CSRC_R4K 2707cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 27127fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 2725e83d430SRalf Baechle 273edb6310aSDaniel Lairdconfig NXP_STB220 274edb6310aSDaniel Laird bool "NXP STB220 board" 275edb6310aSDaniel Laird select SOC_PNX833X 276edb6310aSDaniel Laird help 277edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 278edb6310aSDaniel Laird 279edb6310aSDaniel Lairdconfig NXP_STB225 280edb6310aSDaniel Laird bool "NXP 225 board" 281edb6310aSDaniel Laird select SOC_PNX833X 282edb6310aSDaniel Laird select SOC_PNX8335 283edb6310aSDaniel Laird help 284edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 285edb6310aSDaniel Laird 286ade299d8SYoichi Yuasaconfig PNX8550_JBS 287a92b0588SDaniel Laird bool "NXP PNX8550 based JBS board" 288ade299d8SYoichi Yuasa select PNX8550 289ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 290ade299d8SYoichi Yuasa 291ade299d8SYoichi Yuasaconfig PNX8550_STB810 292a92b0588SDaniel Laird bool "NXP PNX8550 based STB810 board" 293ade299d8SYoichi Yuasa select PNX8550 294ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 295ade299d8SYoichi Yuasa 2969267a30dSMarc St-Jeanconfig PMC_MSP 2979267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 2989267a30dSMarc St-Jean depends on EXPERIMENTAL 2999267a30dSMarc St-Jean select DMA_NONCOHERENT 3009267a30dSMarc St-Jean select SWAP_IO_SPACE 3019267a30dSMarc St-Jean select NO_EXCEPT_FILL 3029267a30dSMarc St-Jean select BOOT_RAW 3039267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3049267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3059267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3069267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3079267a30dSMarc St-Jean select IRQ_CPU 3089267a30dSMarc St-Jean select SERIAL_8250 3099267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3109267a30dSMarc St-Jean help 3119267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3129267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3139267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3149267a30dSMarc St-Jean a variety of MIPS cores. 3159267a30dSMarc St-Jean 3165e83d430SRalf Baechleconfig PMC_YOSEMITE 3173fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 31842f77542SRalf Baechle select CEVT_R4K 319940f6b48SRalf Baechle select CSRC_R4K 3205e83d430SRalf Baechle select DMA_COHERENT 3215e83d430SRalf Baechle select HW_HAS_PCI 3225e83d430SRalf Baechle select IRQ_CPU 3235e83d430SRalf Baechle select IRQ_CPU_RM7K 3245e83d430SRalf Baechle select IRQ_CPU_RM9K 3255e83d430SRalf Baechle select SWAP_IO_SPACE 3267cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 32736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3285e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3295e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3305e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3315e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 332e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3335e83d430SRalf Baechle help 3345e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3355e83d430SRalf Baechle manufactured by PMC-Sierra. 3361da177e4SLinus Torvalds 3371da177e4SLinus Torvaldsconfig SGI_IP22 3383fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3391da177e4SLinus Torvalds select ARC 3401da177e4SLinus Torvalds select ARC32 3411da177e4SLinus Torvalds select BOOT_ELF32 34242f77542SRalf Baechle select CEVT_R4K 343940f6b48SRalf Baechle select CSRC_R4K 344e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3451da177e4SLinus Torvalds select DMA_NONCOHERENT 3465e83d430SRalf Baechle select HW_HAS_EISA 347d865bea4SRalf Baechle select I8253 34868de4803SThomas Bogendoerfer select I8259 3491da177e4SLinus Torvalds select IP22_CPU_SCACHE 3501da177e4SLinus Torvalds select IRQ_CPU 351aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 352e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 353e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 35436e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 355e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 356e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 357e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3581da177e4SLinus Torvalds select SWAP_IO_SPACE 3597cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3607cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 36136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 362ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 363ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3645e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3651da177e4SLinus Torvalds help 3661da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3671da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3681da177e4SLinus Torvalds that runs on these, say Y here. 3691da177e4SLinus Torvalds 3701da177e4SLinus Torvaldsconfig SGI_IP27 3713fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3721da177e4SLinus Torvalds select ARC 3731da177e4SLinus Torvalds select ARC64 3745e83d430SRalf Baechle select BOOT_ELF64 375e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 376634286f1SRalf Baechle select DMA_COHERENT 37736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3781da177e4SLinus Torvalds select HW_HAS_PCI 379130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3807cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 381ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3825e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 383d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3841a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 3851da177e4SLinus Torvalds help 3861da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3871da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3881da177e4SLinus Torvalds here. 3891da177e4SLinus Torvalds 390e2defae5SThomas Bogendoerferconfig SGI_IP28 391e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 392e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 393e2defae5SThomas Bogendoerfer select ARC 394e2defae5SThomas Bogendoerfer select ARC64 395e2defae5SThomas Bogendoerfer select BOOT_ELF64 396e2defae5SThomas Bogendoerfer select CEVT_R4K 397e2defae5SThomas Bogendoerfer select CSRC_R4K 398e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 399e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 400e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 401e2defae5SThomas Bogendoerfer select IRQ_CPU 402e2defae5SThomas Bogendoerfer select HW_HAS_EISA 403e2defae5SThomas Bogendoerfer select I8253 404e2defae5SThomas Bogendoerfer select I8259 405e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 406e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 4075b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 408e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 409e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 410e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 411e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 412e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 413e2defae5SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 414e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 415e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 416e2defae5SThomas Bogendoerfer help 417e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 418e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 419e2defae5SThomas Bogendoerfer 4201da177e4SLinus Torvaldsconfig SGI_IP32 421cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4221da177e4SLinus Torvalds select ARC 4231da177e4SLinus Torvalds select ARC32 4241da177e4SLinus Torvalds select BOOT_ELF32 42542f77542SRalf Baechle select CEVT_R4K 426940f6b48SRalf Baechle select CSRC_R4K 4271da177e4SLinus Torvalds select DMA_NONCOHERENT 4281da177e4SLinus Torvalds select HW_HAS_PCI 429dd67b155SRalf Baechle select IRQ_CPU 4301da177e4SLinus Torvalds select R5000_CPU_SCACHE 4311da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4327cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4337cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4347cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 435dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 436ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4375e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4381da177e4SLinus Torvalds help 4391da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4401da177e4SLinus Torvalds 441ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 442ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4435e83d430SRalf Baechle depends on EXPERIMENTAL 4445e83d430SRalf Baechle select BOOT_ELF32 4455e83d430SRalf Baechle select DMA_COHERENT 4465e83d430SRalf Baechle select SIBYTE_BCM1120 4475e83d430SRalf Baechle select SWAP_IO_SPACE 4487cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4495e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4505e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4515e83d430SRalf Baechle 452ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 453ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4545e83d430SRalf Baechle depends on EXPERIMENTAL 4555e83d430SRalf Baechle select BOOT_ELF32 4565e83d430SRalf Baechle select DMA_COHERENT 4575e83d430SRalf Baechle select SIBYTE_BCM1120 4585e83d430SRalf Baechle select SWAP_IO_SPACE 4597cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4605e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4615e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4625e83d430SRalf Baechle 4635e83d430SRalf Baechleconfig SIBYTE_CRHONE 4643fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4655e83d430SRalf Baechle depends on EXPERIMENTAL 4665e83d430SRalf Baechle select BOOT_ELF32 4675e83d430SRalf Baechle select DMA_COHERENT 4685e83d430SRalf Baechle select SIBYTE_BCM1125 4695e83d430SRalf Baechle select SWAP_IO_SPACE 4707cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4715e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4725e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4735e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4745e83d430SRalf Baechle 475ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 476ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 477ade299d8SYoichi Yuasa depends on EXPERIMENTAL 478ade299d8SYoichi Yuasa select BOOT_ELF32 479ade299d8SYoichi Yuasa select DMA_COHERENT 480ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 481ade299d8SYoichi Yuasa select SWAP_IO_SPACE 482ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 483ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 484ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 485ade299d8SYoichi Yuasa 486ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 487ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 488ade299d8SYoichi Yuasa select BOOT_ELF32 489ade299d8SYoichi Yuasa select DMA_COHERENT 490ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 491ade299d8SYoichi Yuasa select SIBYTE_SB1250 492ade299d8SYoichi Yuasa select SWAP_IO_SPACE 493ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 494ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 495ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 496ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 497cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 498ade299d8SYoichi Yuasa 499ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 500ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 501ade299d8SYoichi Yuasa depends on EXPERIMENTAL 502ade299d8SYoichi Yuasa select BOOT_ELF32 503ade299d8SYoichi Yuasa select DMA_COHERENT 504ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 505ade299d8SYoichi Yuasa select SIBYTE_SB1250 506ade299d8SYoichi Yuasa select SWAP_IO_SPACE 507ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 508ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 509ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 510ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 511ade299d8SYoichi Yuasa 512ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 513ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 514ade299d8SYoichi Yuasa depends on EXPERIMENTAL 515ade299d8SYoichi Yuasa select BOOT_ELF32 516ade299d8SYoichi Yuasa select DMA_COHERENT 517ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 518ade299d8SYoichi Yuasa select SIBYTE_SB1250 519ade299d8SYoichi Yuasa select SWAP_IO_SPACE 520ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 521ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 522ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 523ade299d8SYoichi Yuasa 524ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 525ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 526ade299d8SYoichi Yuasa select BOOT_ELF32 527ade299d8SYoichi Yuasa select DMA_COHERENT 528ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 529ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 530ade299d8SYoichi Yuasa select SWAP_IO_SPACE 531ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 532ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 533651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 534ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 535cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 536ade299d8SYoichi Yuasa 53714b36af4SThomas Bogendoerferconfig SNI_RM 53814b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5394a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5404a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 541231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5425e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5435e83d430SRalf Baechle select BOOT_ELF32 54442f77542SRalf Baechle select CEVT_R4K 545940f6b48SRalf Baechle select CSRC_R4K 546e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 5475e83d430SRalf Baechle select DMA_NONCOHERENT 5485e83d430SRalf Baechle select GENERIC_ISA_DMA 5495e83d430SRalf Baechle select HW_HAS_EISA 5505e83d430SRalf Baechle select HW_HAS_PCI 551c066a32aSThomas Bogendoerfer select IRQ_CPU 552d865bea4SRalf Baechle select I8253 5535e83d430SRalf Baechle select I8259 5545e83d430SRalf Baechle select ISA 5554a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5567cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5574a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 558c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5594a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 56036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 561ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5625e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5634a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5645e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5655e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5661da177e4SLinus Torvalds help 56714b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 56814b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5695e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5705e83d430SRalf Baechle support this machine type. 5711da177e4SLinus Torvalds 572edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 573edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 5745e83d430SRalf Baechle 575edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 576edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 57723fbee9dSRalf Baechle 57873b4390fSRalf Baechleconfig MIKROTIK_RB532 57973b4390fSRalf Baechle bool "Mikrotik RB532 boards" 58073b4390fSRalf Baechle select CEVT_R4K 58173b4390fSRalf Baechle select CSRC_R4K 58273b4390fSRalf Baechle select DMA_NONCOHERENT 58373b4390fSRalf Baechle select HW_HAS_PCI 58473b4390fSRalf Baechle select IRQ_CPU 58573b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 58673b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 58773b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 58873b4390fSRalf Baechle select SWAP_IO_SPACE 58973b4390fSRalf Baechle select BOOT_RAW 590d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 59173b4390fSRalf Baechle help 59273b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 59373b4390fSRalf Baechle based on the IDT RC32434 SoC. 59473b4390fSRalf Baechle 595ade299d8SYoichi Yuasaconfig WR_PPMC 596ade299d8SYoichi Yuasa bool "Wind River PPMC board" 59742f77542SRalf Baechle select CEVT_R4K 598940f6b48SRalf Baechle select CSRC_R4K 599ade299d8SYoichi Yuasa select IRQ_CPU 600ade299d8SYoichi Yuasa select BOOT_ELF32 601ade299d8SYoichi Yuasa select DMA_NONCOHERENT 602ade299d8SYoichi Yuasa select HW_HAS_PCI 603ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 604ade299d8SYoichi Yuasa select SWAP_IO_SPACE 605ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 606ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 607ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 608ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 609ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 610ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 611ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 612ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 613ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 614ade299d8SYoichi Yuasa help 615ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 616ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 617ade299d8SYoichi Yuasa 618a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_SIMULATOR 619c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon Simulator" 620a86c7f72SDavid Daney select CEVT_R4K 621a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 622a86c7f72SDavid Daney select DMA_COHERENT 623a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 624a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 625a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 626773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 6275e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 628a86c7f72SDavid Daney help 629a86c7f72SDavid Daney The Octeon simulator is software performance model of the Cavium 630a86c7f72SDavid Daney Octeon Processor. It supports simulating Octeon processors on x86 631a86c7f72SDavid Daney hardware. 632a86c7f72SDavid Daney 633a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_REFERENCE_BOARD 634c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon reference board" 635a86c7f72SDavid Daney select CEVT_R4K 636a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 637a86c7f72SDavid Daney select DMA_COHERENT 638a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 639a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 640a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 641773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 642a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 6435e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 644a86c7f72SDavid Daney select SWAP_IO_SPACE 645e8635b48SDavid Daney select HW_HAS_PCI 646e8635b48SDavid Daney select ARCH_SUPPORTS_MSI 647a86c7f72SDavid Daney help 648a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 649a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 650a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 651a86c7f72SDavid Daney Some of the supported boards are: 652a86c7f72SDavid Daney EBT3000 653a86c7f72SDavid Daney EBH3000 654a86c7f72SDavid Daney EBH3100 655a86c7f72SDavid Daney Thunder 656a86c7f72SDavid Daney Kodama 657a86c7f72SDavid Daney Hikari 658a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 659a86c7f72SDavid Daney 6601da177e4SLinus Torvaldsendchoice 6611da177e4SLinus Torvalds 662e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 6639c746edbSYoichi Yuasasource "arch/mips/basler/excite/Kconfig" 664e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 6655e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6661f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6675e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 66829c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 66938b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 67022b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 6715e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 672a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 67385749d24SWu Zhangjinsource "arch/mips/loongson/Kconfig" 67438b18f72SRalf Baechle 6755e83d430SRalf Baechleendmenu 6765e83d430SRalf Baechle 6771da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6781da177e4SLinus Torvalds bool 6791da177e4SLinus Torvalds default y 6801da177e4SLinus Torvalds 6811da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6821da177e4SLinus Torvalds bool 6831da177e4SLinus Torvalds 684f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 685f0d1b0b3SDavid Howells bool 686f0d1b0b3SDavid Howells default n 687f0d1b0b3SDavid Howells 688f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 689f0d1b0b3SDavid Howells bool 690f0d1b0b3SDavid Howells default n 691f0d1b0b3SDavid Howells 69200a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 69300a58253SRalf Baechle bool 69400a58253SRalf Baechle default y if !MIPS_MT_SMTC 69500a58253SRalf Baechle 6963c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6973c9ee7efSAkinobu Mita bool 6983c9ee7efSAkinobu Mita default y 6993c9ee7efSAkinobu Mita 7003c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 7013c9ee7efSAkinobu Mita bool 7023c9ee7efSAkinobu Mita default y 7033c9ee7efSAkinobu Mita 7041da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7051da177e4SLinus Torvalds bool 7061da177e4SLinus Torvalds default y 7071da177e4SLinus Torvalds 7087bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7097bcf7717SRalf Baechle bool 7107bcf7717SRalf Baechle default y 7117bcf7717SRalf Baechle 7128db02010SRalf Baechleconfig GENERIC_TIME 7138db02010SRalf Baechle bool 7148db02010SRalf Baechle default y 7158db02010SRalf Baechle 716f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 717f5ff0a28SRalf Baechle bool 718f5ff0a28SRalf Baechle default y 719f5ff0a28SRalf Baechle 720ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 7211cc89038SAtsushi Nemoto bool 7221cc89038SAtsushi Nemoto default y 7231cc89038SAtsushi Nemoto 724e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 725c87e0909SRalf Baechle def_bool y 726e77c232cSFranck Bui-Huu 7271da177e4SLinus Torvalds# 7281da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7291da177e4SLinus Torvalds# 7301da177e4SLinus Torvaldsconfig ARC 7311da177e4SLinus Torvalds bool 7321da177e4SLinus Torvalds 73361ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 73461ed242dSRalf Baechle bool 73561ed242dSRalf Baechle 7369267a30dSMarc St-Jeanconfig BOOT_RAW 7379267a30dSMarc St-Jean bool 7389267a30dSMarc St-Jean 739217dd11eSRalf Baechleconfig CEVT_BCM1480 740217dd11eSRalf Baechle bool 741217dd11eSRalf Baechle 7426457d9fcSYoichi Yuasaconfig CEVT_DS1287 7436457d9fcSYoichi Yuasa bool 7446457d9fcSYoichi Yuasa 7451097c6acSYoichi Yuasaconfig CEVT_GT641XX 7461097c6acSYoichi Yuasa bool 7471097c6acSYoichi Yuasa 748779e7d41SManuel Laussconfig CEVT_R4K_LIB 749779e7d41SManuel Lauss bool 750779e7d41SManuel Lauss 75142f77542SRalf Baechleconfig CEVT_R4K 752779e7d41SManuel Lauss select CEVT_R4K_LIB 75342f77542SRalf Baechle bool 75442f77542SRalf Baechle 755217dd11eSRalf Baechleconfig CEVT_SB1250 756217dd11eSRalf Baechle bool 757217dd11eSRalf Baechle 758229f773eSAtsushi Nemotoconfig CEVT_TXX9 759229f773eSAtsushi Nemoto bool 760229f773eSAtsushi Nemoto 761217dd11eSRalf Baechleconfig CSRC_BCM1480 762217dd11eSRalf Baechle bool 763217dd11eSRalf Baechle 7644247417dSYoichi Yuasaconfig CSRC_IOASIC 7654247417dSYoichi Yuasa bool 7664247417dSYoichi Yuasa 767779e7d41SManuel Laussconfig CSRC_R4K_LIB 768779e7d41SManuel Lauss bool 769779e7d41SManuel Lauss 770940f6b48SRalf Baechleconfig CSRC_R4K 771779e7d41SManuel Lauss select CSRC_R4K_LIB 772940f6b48SRalf Baechle bool 773940f6b48SRalf Baechle 774217dd11eSRalf Baechleconfig CSRC_SB1250 775217dd11eSRalf Baechle bool 776217dd11eSRalf Baechle 777a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 778a9aec7feSAtsushi Nemoto select GENERIC_GPIO 7797444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 780a9aec7feSAtsushi Nemoto bool 781a9aec7feSAtsushi Nemoto 782df78b5c8SAurelien Jarnoconfig CFE 783df78b5c8SAurelien Jarno bool 784df78b5c8SAurelien Jarno 7851da177e4SLinus Torvaldsconfig DMA_COHERENT 7861da177e4SLinus Torvalds bool 7871da177e4SLinus Torvalds 7881da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7891da177e4SLinus Torvalds bool 7904ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7914ce588cdSRalf Baechle 7924ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7934ce588cdSRalf Baechle bool 7941da177e4SLinus Torvalds 7951da177e4SLinus Torvaldsconfig EARLY_PRINTK 79636a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 79736a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 79836a88530SRalf Baechle default y 79936a88530SRalf Baechle help 80036a88530SRalf Baechle This option enables special console drivers which allow the kernel 80136a88530SRalf Baechle to print messages very early in the bootup process. 80236a88530SRalf Baechle 80336a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 804490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 805490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 806490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 80736a88530SRalf Baechle unless you want to debug such a crash. 80836a88530SRalf Baechle 80936a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 8101da177e4SLinus Torvalds bool 8111da177e4SLinus Torvalds 812dbb74540SRalf Baechleconfig HOTPLUG_CPU 8131b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 8141b2bc75cSRalf Baechle depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU 8151b2bc75cSRalf Baechle help 8161b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 8171b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 8181b2bc75cSRalf Baechle (Note: power management support will enable this option 8191b2bc75cSRalf Baechle automatically on SMP systems. ) 8201b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 8211b2bc75cSRalf Baechle 8221b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 823dbb74540SRalf Baechle bool 824dbb74540SRalf Baechle 8251da177e4SLinus Torvaldsconfig I8259 8261da177e4SLinus Torvalds bool 8271da177e4SLinus Torvalds 8281da177e4SLinus Torvaldsconfig MIPS_BONITO64 8291da177e4SLinus Torvalds bool 8301da177e4SLinus Torvalds 8311da177e4SLinus Torvaldsconfig MIPS_MSC 8321da177e4SLinus Torvalds bool 8331da177e4SLinus Torvalds 8341f21d2bdSBrian Murphyconfig MIPS_NILE4 8351f21d2bdSBrian Murphy bool 8361f21d2bdSBrian Murphy 8371da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8381da177e4SLinus Torvalds bool 8391da177e4SLinus Torvalds 84039b8d525SRalf Baechleconfig SYNC_R4K 84139b8d525SRalf Baechle bool 84239b8d525SRalf Baechle 843d388d685SMaciej W. Rozyckiconfig NO_IOPORT 844d388d685SMaciej W. Rozycki def_bool n 845d388d685SMaciej W. Rozycki 8468313da30SRalf Baechleconfig GENERIC_ISA_DMA 8478313da30SRalf Baechle bool 8488313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 8498313da30SRalf Baechle 850aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 851aa414dffSRalf Baechle bool 8528313da30SRalf Baechle select GENERIC_ISA_DMA 853aa414dffSRalf Baechle 85409663335SYoichi Yuasaconfig GENERIC_GPIO 85509663335SYoichi Yuasa bool 85609663335SYoichi Yuasa 8575e83d430SRalf Baechle# 8583cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 8595e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8605e83d430SRalf Baechle# choice statement should be more obvious to the user. 8615e83d430SRalf Baechle# 8625e83d430SRalf Baechlechoice 8635e83d430SRalf Baechle prompt "Endianess selection" 8641da177e4SLinus Torvalds help 8651da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8665e83d430SRalf Baechle byte order. These modes require different kernels and a different 8673cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 8685e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8693dde6ad8SDavid Sterba one or the other endianness. 8705e83d430SRalf Baechle 8715e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8725e83d430SRalf Baechle bool "Big endian" 8735e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8745e83d430SRalf Baechle 8755e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8765e83d430SRalf Baechle bool "Little endian" 8775e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8785e83d430SRalf Baechle help 8795e83d430SRalf Baechle 8805e83d430SRalf Baechleendchoice 8815e83d430SRalf Baechle 8822116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 8832116245eSRalf Baechle bool 8842116245eSRalf Baechle 8855e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8865e83d430SRalf Baechle bool 8875e83d430SRalf Baechle 8885e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8895e83d430SRalf Baechle bool 8901da177e4SLinus Torvalds 8919cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 8929cffd154SDavid Daney bool 8939cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 8949cffd154SDavid Daney default y 8959cffd154SDavid Daney 8961da177e4SLinus Torvaldsconfig IRQ_CPU 8971da177e4SLinus Torvalds bool 8981da177e4SLinus Torvalds 8991da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 9001da177e4SLinus Torvalds bool 9011da177e4SLinus Torvalds 9025e83d430SRalf Baechleconfig IRQ_CPU_RM9K 9035e83d430SRalf Baechle bool 9045e83d430SRalf Baechle 9059267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 9069267a30dSMarc St-Jean bool 9079267a30dSMarc St-Jean 9089267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9099267a30dSMarc St-Jean bool 9109267a30dSMarc St-Jean 9118420fd00SAtsushi Nemotoconfig IRQ_TXX9 9128420fd00SAtsushi Nemoto bool 9138420fd00SAtsushi Nemoto 914d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 915d5ab1a69SYoichi Yuasa bool 916d5ab1a69SYoichi Yuasa 91739b8d525SRalf Baechleconfig IRQ_GIC 91839b8d525SRalf Baechle bool 91939b8d525SRalf Baechle 920a86c7f72SDavid Daneyconfig IRQ_CPU_OCTEON 921a86c7f72SDavid Daney bool 922a86c7f72SDavid Daney 9231da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9241da177e4SLinus Torvalds bool 9251da177e4SLinus Torvalds 926252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9271da177e4SLinus Torvalds bool 9281da177e4SLinus Torvalds 9299267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9309267a30dSMarc St-Jean bool 9319267a30dSMarc St-Jean 932663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 933663c3d90Sthomas@koeller.dyndns.org bool 934663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 935663c3d90Sthomas@koeller.dyndns.org 936a83860c2SRalf Baechleconfig SOC_EMMA2RH 937a83860c2SRalf Baechle bool 938a83860c2SRalf Baechle select CEVT_R4K 939a83860c2SRalf Baechle select CSRC_R4K 940a83860c2SRalf Baechle select DMA_NONCOHERENT 941a83860c2SRalf Baechle select IRQ_CPU 942a83860c2SRalf Baechle select SWAP_IO_SPACE 943a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 944a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 945a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 946a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 947a83860c2SRalf Baechle 948edb6310aSDaniel Lairdconfig SOC_PNX833X 949edb6310aSDaniel Laird bool 950edb6310aSDaniel Laird select CEVT_R4K 951edb6310aSDaniel Laird select CSRC_R4K 952edb6310aSDaniel Laird select IRQ_CPU 953edb6310aSDaniel Laird select DMA_NONCOHERENT 954edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 955edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 956edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 957edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 958edb6310aSDaniel Laird select GENERIC_GPIO 959edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 960edb6310aSDaniel Laird 961edb6310aSDaniel Lairdconfig SOC_PNX8335 962edb6310aSDaniel Laird bool 963edb6310aSDaniel Laird select SOC_PNX833X 964edb6310aSDaniel Laird 965bdf21b18SPete Popovconfig PNX8550 966bdf21b18SPete Popov bool 967bdf21b18SPete Popov select SOC_PNX8550 968bdf21b18SPete Popov 969bdf21b18SPete Popovconfig SOC_PNX8550 970bdf21b18SPete Popov bool 971bdf21b18SPete Popov select DMA_NONCOHERENT 972bdf21b18SPete Popov select HW_HAS_PCI 973b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 97436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 9757cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 9764ead1681SFlorian Fainelli select GENERIC_GPIO 977bdf21b18SPete Popov 9781da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9791da177e4SLinus Torvalds bool 9801da177e4SLinus Torvalds 981663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 982663c3d90Sthomas@koeller.dyndns.org bool 983663c3d90Sthomas@koeller.dyndns.org 984e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 985e2defae5SThomas Bogendoerfer bool 986e2defae5SThomas Bogendoerfer 9875b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 9885b438c44SThomas Bogendoerfer bool 9895b438c44SThomas Bogendoerfer 990e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 991e2defae5SThomas Bogendoerfer bool 992e2defae5SThomas Bogendoerfer 993e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 994e2defae5SThomas Bogendoerfer bool 995e2defae5SThomas Bogendoerfer 996e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 997e2defae5SThomas Bogendoerfer bool 998e2defae5SThomas Bogendoerfer 999e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1000e2defae5SThomas Bogendoerfer bool 1001e2defae5SThomas Bogendoerfer 1002e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1003e2defae5SThomas Bogendoerfer bool 1004e2defae5SThomas Bogendoerfer 10055e83d430SRalf Baechleconfig ARC32 10065e83d430SRalf Baechle bool 10075e83d430SRalf Baechle 1008231a35d3SThomas Bogendoerferconfig SNIPROM 1009231a35d3SThomas Bogendoerfer bool 1010231a35d3SThomas Bogendoerfer 10111da177e4SLinus Torvaldsconfig BOOT_ELF32 10121da177e4SLinus Torvalds bool 10131da177e4SLinus Torvalds 10141da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 10151da177e4SLinus Torvalds int 1016c7088755SRalf Baechle default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL 10170db2b74eSRalf Baechle default "6" if MIPS_CPU_SCACHE 1018a86c7f72SDavid Daney default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 10191da177e4SLinus Torvalds default "5" 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 10221da177e4SLinus Torvalds bool 10231da177e4SLinus Torvalds 10241da177e4SLinus Torvaldsconfig ARC_CONSOLE 10251da177e4SLinus Torvalds bool "ARC console support" 1026e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 10271da177e4SLinus Torvalds 10281da177e4SLinus Torvaldsconfig ARC_MEMORY 10291da177e4SLinus Torvalds bool 103014b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10311da177e4SLinus Torvalds default y 10321da177e4SLinus Torvalds 10331da177e4SLinus Torvaldsconfig ARC_PROMLIB 10341da177e4SLinus Torvalds bool 1035e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10361da177e4SLinus Torvalds default y 10371da177e4SLinus Torvalds 10381da177e4SLinus Torvaldsconfig ARC64 10391da177e4SLinus Torvalds bool 10401da177e4SLinus Torvalds 10411da177e4SLinus Torvaldsconfig BOOT_ELF64 10421da177e4SLinus Torvalds bool 10431da177e4SLinus Torvalds 10441da177e4SLinus Torvaldsmenu "CPU selection" 10451da177e4SLinus Torvalds 10461da177e4SLinus Torvaldschoice 10471da177e4SLinus Torvalds prompt "CPU type" 10481da177e4SLinus Torvalds default CPU_R4X00 10491da177e4SLinus Torvalds 10503702bba5SWu Zhangjinconfig CPU_LOONGSON2E 10513702bba5SWu Zhangjin bool "Loongson 2E" 10523702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 10533702bba5SWu Zhangjin select CPU_LOONGSON2 10542a21c730SFuxin Zhang help 10552a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 10562a21c730SFuxin Zhang with many extensions. 10572a21c730SFuxin Zhang 10586e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10596e760c8dSRalf Baechle bool "MIPS32 Release 1" 10607cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 10616e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1062797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1063ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10646e760c8dSRalf Baechle help 10655e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10661e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10671e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10681e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10691e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10701e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10711e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10721e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10731e5f1caaSRalf Baechle performance. 10741e5f1caaSRalf Baechle 10751e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10761e5f1caaSRalf Baechle bool "MIPS32 Release 2" 10777cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 10781e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1079797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1080ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10811e5f1caaSRalf Baechle help 10825e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10836e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10846e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10856e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10866e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10871da177e4SLinus Torvalds 10886e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10896e760c8dSRalf Baechle bool "MIPS64 Release 1" 10907cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1091797798c1SRalf Baechle select CPU_HAS_PREFETCH 1092ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1093ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1094ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10959cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 10966e760c8dSRalf Baechle help 10976e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10986e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10996e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11006e760c8dSRalf Baechle specific type of processor in your system, choose those that one 11016e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11021e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 11031e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 11041e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 11051e5f1caaSRalf Baechle performance. 11061e5f1caaSRalf Baechle 11071e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 11081e5f1caaSRalf Baechle bool "MIPS64 Release 2" 11097cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1110797798c1SRalf Baechle select CPU_HAS_PREFETCH 11111e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11121e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1113ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11149cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 11151e5f1caaSRalf Baechle help 11161e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 11171e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11181e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11191e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11201e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11211da177e4SLinus Torvalds 11221da177e4SLinus Torvaldsconfig CPU_R3000 11231da177e4SLinus Torvalds bool "R3000" 11247cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1125f7062ddbSRalf Baechle select CPU_HAS_WB 1126ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1127797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11281da177e4SLinus Torvalds help 11291da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11301da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11311da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11321da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11331da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11341da177e4SLinus Torvalds try to recompile with R3000. 11351da177e4SLinus Torvalds 11361da177e4SLinus Torvaldsconfig CPU_TX39XX 11371da177e4SLinus Torvalds bool "R39XX" 11387cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1139ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11401da177e4SLinus Torvalds 11411da177e4SLinus Torvaldsconfig CPU_VR41XX 11421da177e4SLinus Torvalds bool "R41xx" 11437cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1144ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1145ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11461da177e4SLinus Torvalds help 11475e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11481da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11491da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11501da177e4SLinus Torvalds processor or vice versa. 11511da177e4SLinus Torvalds 11521da177e4SLinus Torvaldsconfig CPU_R4300 11531da177e4SLinus Torvalds bool "R4300" 11547cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1155ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1156ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11571da177e4SLinus Torvalds help 11581da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11591da177e4SLinus Torvalds 11601da177e4SLinus Torvaldsconfig CPU_R4X00 11611da177e4SLinus Torvalds bool "R4x00" 11627cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1163ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1164ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11651da177e4SLinus Torvalds help 11661da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11671da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11681da177e4SLinus Torvalds 11691da177e4SLinus Torvaldsconfig CPU_TX49XX 11701da177e4SLinus Torvalds bool "R49XX" 11717cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1172de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1173ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1174ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11751da177e4SLinus Torvalds 11761da177e4SLinus Torvaldsconfig CPU_R5000 11771da177e4SLinus Torvalds bool "R5000" 11787cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1179ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1180ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11811da177e4SLinus Torvalds help 11821da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11831da177e4SLinus Torvalds 11841da177e4SLinus Torvaldsconfig CPU_R5432 11851da177e4SLinus Torvalds bool "R5432" 11867cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 11875e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11885e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11891da177e4SLinus Torvalds 1190542c1020SShinya Kuribayashiconfig CPU_R5500 1191542c1020SShinya Kuribayashi bool "R5500" 1192542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1193542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1194542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 11959cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1196542c1020SShinya Kuribayashi help 1197542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1198542c1020SShinya Kuribayashi instruction set. 1199542c1020SShinya Kuribayashi 12001da177e4SLinus Torvaldsconfig CPU_R6000 12011da177e4SLinus Torvalds bool "R6000" 1202ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12037cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1204ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 12051da177e4SLinus Torvalds help 12061da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1207c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 12081da177e4SLinus Torvalds 12091da177e4SLinus Torvaldsconfig CPU_NEVADA 12101da177e4SLinus Torvalds bool "RM52xx" 12117cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1212ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1213ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12141da177e4SLinus Torvalds help 12151da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 12161da177e4SLinus Torvalds 12171da177e4SLinus Torvaldsconfig CPU_R8000 12181da177e4SLinus Torvalds bool "R8000" 1219ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12207cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 12215e83d430SRalf Baechle select CPU_HAS_PREFETCH 1222ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12231da177e4SLinus Torvalds help 12241da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12251da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12261da177e4SLinus Torvalds 12271da177e4SLinus Torvaldsconfig CPU_R10000 12281da177e4SLinus Torvalds bool "R10000" 12297cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 12305e83d430SRalf Baechle select CPU_HAS_PREFETCH 1231ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1232ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1233797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12341da177e4SLinus Torvalds help 12351da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12361da177e4SLinus Torvalds 12371da177e4SLinus Torvaldsconfig CPU_RM7000 12381da177e4SLinus Torvalds bool "RM7000" 12397cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 12405e83d430SRalf Baechle select CPU_HAS_PREFETCH 1241ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1242ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1243797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12441da177e4SLinus Torvalds 12451da177e4SLinus Torvaldsconfig CPU_RM9000 12461da177e4SLinus Torvalds bool "RM9000" 12477cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 12485e83d430SRalf Baechle select CPU_HAS_PREFETCH 1249ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1250ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1251797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12520004a9dfSRalf Baechle select WEAK_ORDERING 12531da177e4SLinus Torvalds 12541da177e4SLinus Torvaldsconfig CPU_SB1 12551da177e4SLinus Torvalds bool "SB1" 12567cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1257ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1258ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1259797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12600004a9dfSRalf Baechle select WEAK_ORDERING 12611da177e4SLinus Torvalds 1262a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1263a86c7f72SDavid Daney bool "Cavium Octeon processor" 12645e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1265a86c7f72SDavid Daney select IRQ_CPU 1266a86c7f72SDavid Daney select IRQ_CPU_OCTEON 1267a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1268a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1269a86c7f72SDavid Daney select SYS_SUPPORTS_SMP 1270a86c7f72SDavid Daney select NR_CPUS_DEFAULT_16 1271a86c7f72SDavid Daney select WEAK_ORDERING 1272a86c7f72SDavid Daney select WEAK_REORDERING_BEYOND_LLSC 1273a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 12749cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1275a86c7f72SDavid Daney help 1276a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1277a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1278a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1279a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1280a86c7f72SDavid Daney 12811da177e4SLinus Torvaldsendchoice 12821da177e4SLinus Torvalds 12833702bba5SWu Zhangjinconfig CPU_LOONGSON2 12843702bba5SWu Zhangjin bool 12853702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 12863702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 12873702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 12883702bba5SWu Zhangjin 12893702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 12902a21c730SFuxin Zhang bool 12912a21c730SFuxin Zhang 12927cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 12937cf8053bSRalf Baechle bool 12947cf8053bSRalf Baechle 12957cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 12967cf8053bSRalf Baechle bool 12977cf8053bSRalf Baechle 12987cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 12997cf8053bSRalf Baechle bool 13007cf8053bSRalf Baechle 13017cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 13027cf8053bSRalf Baechle bool 13037cf8053bSRalf Baechle 13047cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 13057cf8053bSRalf Baechle bool 13067cf8053bSRalf Baechle 13077cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 13087cf8053bSRalf Baechle bool 13097cf8053bSRalf Baechle 13107cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 13117cf8053bSRalf Baechle bool 13127cf8053bSRalf Baechle 13137cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 13147cf8053bSRalf Baechle bool 13157cf8053bSRalf Baechle 13167cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 13177cf8053bSRalf Baechle bool 13187cf8053bSRalf Baechle 13197cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 13207cf8053bSRalf Baechle bool 13217cf8053bSRalf Baechle 13227cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 13237cf8053bSRalf Baechle bool 13247cf8053bSRalf Baechle 13257cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 13267cf8053bSRalf Baechle bool 13277cf8053bSRalf Baechle 1328542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1329542c1020SShinya Kuribayashi bool 1330542c1020SShinya Kuribayashi 13317cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 13327cf8053bSRalf Baechle bool 13337cf8053bSRalf Baechle 13347cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 13357cf8053bSRalf Baechle bool 13367cf8053bSRalf Baechle 13377cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 13387cf8053bSRalf Baechle bool 13397cf8053bSRalf Baechle 13407cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 13417cf8053bSRalf Baechle bool 13427cf8053bSRalf Baechle 13437cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 13447cf8053bSRalf Baechle bool 13457cf8053bSRalf Baechle 13467cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 13477cf8053bSRalf Baechle bool 13487cf8053bSRalf Baechle 13497cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 13507cf8053bSRalf Baechle bool 13517cf8053bSRalf Baechle 13525e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 13535e683389SDavid Daney bool 13545e683389SDavid Daney 135517099b11SRalf Baechle# 135617099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 135717099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 135817099b11SRalf Baechle# 13590004a9dfSRalf Baechleconfig WEAK_ORDERING 13600004a9dfSRalf Baechle bool 136117099b11SRalf Baechle 136217099b11SRalf Baechle# 136317099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 136417099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 136517099b11SRalf Baechle# 136617099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 136717099b11SRalf Baechle bool 13685e83d430SRalf Baechleendmenu 13695e83d430SRalf Baechle 13705e83d430SRalf Baechle# 13715e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 13725e83d430SRalf Baechle# 13735e83d430SRalf Baechleconfig CPU_MIPS32 13745e83d430SRalf Baechle bool 13755e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13765e83d430SRalf Baechle 13775e83d430SRalf Baechleconfig CPU_MIPS64 13785e83d430SRalf Baechle bool 13795e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13805e83d430SRalf Baechle 13815e83d430SRalf Baechle# 1382c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 13835e83d430SRalf Baechle# 13845e83d430SRalf Baechleconfig CPU_MIPSR1 13855e83d430SRalf Baechle bool 13865e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13875e83d430SRalf Baechle 13885e83d430SRalf Baechleconfig CPU_MIPSR2 13895e83d430SRalf Baechle bool 1390a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 13915e83d430SRalf Baechle 13925e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13935e83d430SRalf Baechle bool 13945e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13955e83d430SRalf Baechle bool 13965e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13975e83d430SRalf Baechle bool 13985e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13995e83d430SRalf Baechle bool 14009cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 14019cffd154SDavid Daney bool 14025e83d430SRalf Baechle 14038192c9eaSDavid Daney# 14048192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 14058192c9eaSDavid Daney# 14068192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 14078192c9eaSDavid Daney bool 1408f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 14098192c9eaSDavid Daney 14105e83d430SRalf Baechlemenu "Kernel type" 14115e83d430SRalf Baechle 14125e83d430SRalf Baechlechoice 14135e83d430SRalf Baechle 14145e83d430SRalf Baechle prompt "Kernel code model" 14155e83d430SRalf Baechle help 14165e83d430SRalf Baechle You should only select this option if you have a workload that 14175e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 14185e83d430SRalf Baechle large memory. You will only be presented a single option in this 14195e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 14205e83d430SRalf Baechle 14215e83d430SRalf Baechleconfig 32BIT 14225e83d430SRalf Baechle bool "32-bit kernel" 14235e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 14245e83d430SRalf Baechle select TRAD_SIGNALS 14255e83d430SRalf Baechle help 14265e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 14275e83d430SRalf Baechleconfig 64BIT 14285e83d430SRalf Baechle bool "64-bit kernel" 14295e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1430dbda6ac0SRalf Baechle select HAVE_SYSCALL_WRAPPERS 14315e83d430SRalf Baechle help 14325e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 14335e83d430SRalf Baechle 14345e83d430SRalf Baechleendchoice 14355e83d430SRalf Baechle 14361da177e4SLinus Torvaldschoice 14371da177e4SLinus Torvalds prompt "Kernel page size" 14381da177e4SLinus Torvalds default PAGE_SIZE_4KB 14391da177e4SLinus Torvalds 14401da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 14411da177e4SLinus Torvalds bool "4kB" 14421da177e4SLinus Torvalds help 14431da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 14441da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 14451da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 14461da177e4SLinus Torvalds recommended for low memory systems. 14471da177e4SLinus Torvalds 14481da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 14491da177e4SLinus Torvalds bool "8kB" 1450c52399beSRalf Baechle depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 14511da177e4SLinus Torvalds help 14521da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 14531da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1454c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1455c52399beSRalf Baechle suitable Linux distribution to support this. 14561da177e4SLinus Torvalds 14571da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 14581da177e4SLinus Torvalds bool "16kB" 1459714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 14601da177e4SLinus Torvalds help 14611da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 14621da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1463714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1464714bfad6SRalf Baechle Linux distribution to support this. 14651da177e4SLinus Torvalds 1466c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1467c52399beSRalf Baechle bool "32kB" 1468c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1469c52399beSRalf Baechle help 1470c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1471c52399beSRalf Baechle the price of higher memory consumption. This option is available 1472c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1473c52399beSRalf Baechle distribution to support this. 1474c52399beSRalf Baechle 14751da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 14761da177e4SLinus Torvalds bool "64kB" 14771da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 14781da177e4SLinus Torvalds help 14791da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 14801da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 14811da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1482714bfad6SRalf Baechle writing this option is still high experimental. 14831da177e4SLinus Torvalds 14841da177e4SLinus Torvaldsendchoice 14851da177e4SLinus Torvalds 14861da177e4SLinus Torvaldsconfig BOARD_SCACHE 14871da177e4SLinus Torvalds bool 14881da177e4SLinus Torvalds 14891da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14901da177e4SLinus Torvalds bool 14911da177e4SLinus Torvalds select BOARD_SCACHE 14921da177e4SLinus Torvalds 14939318c51aSChris Dearman# 14949318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 14959318c51aSChris Dearman# 14969318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 14979318c51aSChris Dearman bool 14989318c51aSChris Dearman select BOARD_SCACHE 14999318c51aSChris Dearman 15001da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 15011da177e4SLinus Torvalds bool 15021da177e4SLinus Torvalds select BOARD_SCACHE 15031da177e4SLinus Torvalds 15041da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 15051da177e4SLinus Torvalds bool 15061da177e4SLinus Torvalds select BOARD_SCACHE 15071da177e4SLinus Torvalds 15081da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 15091da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 15101da177e4SLinus Torvalds depends on CPU_SB1 15111da177e4SLinus Torvalds help 15121da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 15131da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 15141da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 15151da177e4SLinus Torvalds 15161da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1517c8094b53SRalf Baechle bool 15181da177e4SLinus Torvalds 1519340ee4b9SRalf Baechlechoice 1520340ee4b9SRalf Baechle prompt "MIPS MT options" 1521f41ae0b2SRalf Baechle 1522f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1523f41ae0b2SRalf Baechle bool "Disable multithreading support." 1524f41ae0b2SRalf Baechle help 1525f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1526f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1527f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1528f41ae0b2SRalf Baechle option in this menu. 1529340ee4b9SRalf Baechle 153059d6ab86SRalf Baechleconfig MIPS_MT_SMP 153159d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 153259d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 153359d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1534d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 153559d6ab86SRalf Baechle select MIPS_MT 1536f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 153759d6ab86SRalf Baechle select SMP 15380ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 153959d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 154087353d8aSRalf Baechle select SMP_UP 154159d6ab86SRalf Baechle help 154259d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 154359d6ab86SRalf Baechle has been marketesed into SMVP. 154459d6ab86SRalf Baechle 154541c594abSRalf Baechleconfig MIPS_MT_SMTC 154641c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1547f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1548f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1549f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1550f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1551d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1552f41ae0b2SRalf Baechle select MIPS_MT 1553130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 155441c594abSRalf Baechle select SMP 155573b76c78SRalf Baechle select SYS_SUPPORTS_SMP 155687353d8aSRalf Baechle select SMP_UP 1557f41ae0b2SRalf Baechle help 1558f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1559f41ae0b2SRalf Baechle marketesed into SMVP. 156041c594abSRalf Baechle 1561340ee4b9SRalf Baechleendchoice 1562340ee4b9SRalf Baechle 1563f41ae0b2SRalf Baechleconfig MIPS_MT 1564f41ae0b2SRalf Baechle bool 1565f41ae0b2SRalf Baechle 15660ab7aefcSRalf Baechleconfig SCHED_SMT 15670ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 15680ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 15690ab7aefcSRalf Baechle default n 15700ab7aefcSRalf Baechle help 15710ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 15720ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 15730ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 15740ab7aefcSRalf Baechle 15750ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 15760ab7aefcSRalf Baechle bool 15770ab7aefcSRalf Baechle 15780ab7aefcSRalf Baechle 1579f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1580f41ae0b2SRalf Baechle bool 1581f41ae0b2SRalf Baechle 1582f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1583f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1584f088fc84SRalf Baechle default y 158507cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 158607cc0c9eSRalf Baechle 158707cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 158807cc0c9eSRalf Baechle bool "VPE loader support." 158907cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 159007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 159107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 159207cc0c9eSRalf Baechle select MIPS_MT 159307cc0c9eSRalf Baechle help 159407cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 159507cc0c9eSRalf Baechle onto another VPE and running it. 1596f088fc84SRalf Baechle 15970db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 15980db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 15990db34215SKevin D. Kissell depends on MIPS_MT_SMTC 16008531a35eSKevin D. Kissell default n 16010db34215SKevin D. Kissell help 16020db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 16030db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 16040db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 16050db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 16060db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 16078531a35eSKevin D. Kissell impact on interrupt service overhead. 16080db34215SKevin D. Kissell 1609f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1610f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1611f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1612f571eff0SKevin D. Kissell default n 1613f571eff0SKevin D. Kissell help 1614f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1615f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1616f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 16178531a35eSKevin D. Kissell platform code. Adds some overhead to interrupt dispatch, and 16188531a35eSKevin D. Kissell should be used only if you know what you are doing. 1619f571eff0SKevin D. Kissell 1620e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1621e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1622e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1623e01402b1SRalf Baechle default y 1624e01402b1SRalf Baechle help 1625e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1626e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1627e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1628e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1629e01402b1SRalf Baechle 1630e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1631e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1632e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1633e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 16345e83d430SRalf Baechle help 1635e01402b1SRalf Baechle 16362600990eSRalf Baechleconfig MIPS_APSP_KSPD 16372600990eSRalf Baechle bool "Enable KSPD" 16382600990eSRalf Baechle depends on MIPS_VPE_APSP_API 16392600990eSRalf Baechle default y 16402600990eSRalf Baechle help 16412600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 16422600990eSRalf Baechle side, actions them and returns the results. It also handles the 16432600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 16442600990eSRalf Baechle exiting. You probably want to say yes here. 16452600990eSRalf Baechle 16464a16ff4cSRalf Baechleconfig MIPS_CMP 16474a16ff4cSRalf Baechle bool "MIPS CMP framework support" 16484a16ff4cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 1649eb9b5141STim Anderson select SYNC_R4K 16504a16ff4cSRalf Baechle select SYS_SUPPORTS_SMP 16514a16ff4cSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 16524a16ff4cSRalf Baechle select WEAK_ORDERING 16534a16ff4cSRalf Baechle default n 16544a16ff4cSRalf Baechle help 16554a16ff4cSRalf Baechle This is a placeholder option for the GCMP work. It will need to 16564a16ff4cSRalf Baechle be handled differently... 16574a16ff4cSRalf Baechle 16581da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 16591da177e4SLinus Torvalds bool 16601da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 16611da177e4SLinus Torvalds default y 16621da177e4SLinus Torvalds 16631da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 16641da177e4SLinus Torvalds bool 16651da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 16661da177e4SLinus Torvalds default y 16671da177e4SLinus Torvalds 16681da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 16691da177e4SLinus Torvalds bool 16701da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 16711da177e4SLinus Torvalds default y 16721da177e4SLinus Torvalds 16731da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1674d806cb2bSRalf Baechle bool 16751da177e4SLinus Torvalds 16769693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 16779693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 16789693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 16799693a853SFranck Bui-Huu help 16809693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 16819693a853SFranck Bui-Huu increased security at both hardware and software level for 16829693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 16839693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 16849693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 16859693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 16869693a853SFranck Bui-Huu here. 16879693a853SFranck Bui-Huu 16881da177e4SLinus Torvaldsconfig CPU_HAS_WB 1689f7062ddbSRalf Baechle bool 1690e01402b1SRalf Baechle 1691f41ae0b2SRalf Baechle# 1692f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1693f41ae0b2SRalf Baechle# 1694e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1695f41ae0b2SRalf Baechle bool 1696e01402b1SRalf Baechle 1697f41ae0b2SRalf Baechle# 1698f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1699f41ae0b2SRalf Baechle# 1700e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1701f41ae0b2SRalf Baechle bool 1702e01402b1SRalf Baechle 17031da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 17041da177e4SLinus Torvalds bool 17051da177e4SLinus Torvalds depends on !CPU_R3000 17061da177e4SLinus Torvalds default y 17071da177e4SLinus Torvalds 1708ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1709ea580401SRalf Baechle bool 1710ea580401SRalf Baechle 17111da177e4SLinus Torvalds# 171220d60d99SMaciej W. Rozycki# CPU non-features 171320d60d99SMaciej W. Rozycki# 171420d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 171520d60d99SMaciej W. Rozycki bool 171620d60d99SMaciej W. Rozycki 171720d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 171820d60d99SMaciej W. Rozycki bool 171920d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 172020d60d99SMaciej W. Rozycki 172120d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 172220d60d99SMaciej W. Rozycki bool 172320d60d99SMaciej W. Rozycki 172420d60d99SMaciej W. Rozycki# 1725797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1726797798c1SRalf Baechle# 1727797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1728797798c1SRalf Baechle bool 1729797798c1SRalf Baechle default y 1730797798c1SRalf Baechle 1731797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1732797798c1SRalf Baechle bool 1733797798c1SRalf Baechle default y 1734797798c1SRalf Baechle 17350d7012a9SIngo Molnarconfig IRQ_PER_CPU 17360d7012a9SIngo Molnar bool 17370d7012a9SIngo Molnar 1738797798c1SRalf Baechle# 17391da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 17401da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 17411da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 17421da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 17431da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 17441da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 17451da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 17461da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1747797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1748797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1749797798c1SRalf Baechle# support. 17501da177e4SLinus Torvalds# 17511da177e4SLinus Torvaldsconfig HIGHMEM 17521da177e4SLinus Torvalds bool "High Memory Support" 1753797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1754797798c1SRalf Baechle 1755797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1756797798c1SRalf Baechle bool 1757797798c1SRalf Baechle 1758797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1759797798c1SRalf Baechle bool 17601da177e4SLinus Torvalds 17619693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 17629693a853SFranck Bui-Huu bool 17639693a853SFranck Bui-Huu 1764b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1765b4819b59SYoichi Yuasa def_bool y 1766b4819b59SYoichi Yuasa depends on !NUMA 1767b4819b59SYoichi Yuasa 1768d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1769d8cb4e11SRalf Baechle bool 1770d8cb4e11SRalf Baechle default y if SGI_IP27 1771d8cb4e11SRalf Baechle help 17723dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1773d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1774d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1775d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1776d8cb4e11SRalf Baechle 1777cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1778cce335aeSRalf Baechle def_bool y 1779cce335aeSRalf Baechle 1780b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1781b1c6cd42SAtsushi Nemoto bool 17827de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 178331473747SAtsushi Nemoto 1784d8cb4e11SRalf Baechleconfig NUMA 1785d8cb4e11SRalf Baechle bool "NUMA Support" 1786d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1787d8cb4e11SRalf Baechle help 1788d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1789d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1790d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1791d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1792d8cb4e11SRalf Baechle disabled. 1793d8cb4e11SRalf Baechle 1794d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1795d8cb4e11SRalf Baechle bool 1796d8cb4e11SRalf Baechle 1797c80d79d7SYasunori Gotoconfig NODES_SHIFT 1798c80d79d7SYasunori Goto int 1799c80d79d7SYasunori Goto default "6" 1800c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1801c80d79d7SYasunori Goto 1802b4819b59SYoichi Yuasasource "mm/Kconfig" 1803b4819b59SYoichi Yuasa 18041da177e4SLinus Torvaldsconfig SMP 18051da177e4SLinus Torvalds bool "Multi-Processing support" 1806e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1807b4b30a5aSRalf Baechle select IRQ_PER_CPU 18082f304c0aSJens Axboe select USE_GENERIC_SMP_HELPERS 1809e73ea273SRalf Baechle help 18101da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 18111da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 18121da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 18131da177e4SLinus Torvalds 18141da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 18151da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 18161da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 18171da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 18181da177e4SLinus Torvalds will run faster if you say N here. 18191da177e4SLinus Torvalds 18201da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 18211da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 18221da177e4SLinus Torvalds 182303502faaSAdrian Bunk See also the SMP-HOWTO available at 182403502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 18251da177e4SLinus Torvalds 18261da177e4SLinus Torvalds If you don't know what to do here, say N. 18271da177e4SLinus Torvalds 182887353d8aSRalf Baechleconfig SMP_UP 182987353d8aSRalf Baechle bool 183087353d8aSRalf Baechle 18314a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 18324a16ff4cSRalf Baechle bool 18334a16ff4cSRalf Baechle 1834e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1835e73ea273SRalf Baechle bool 1836e73ea273SRalf Baechle 183772ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 183872ede9b1SAtsushi Nemoto bool 183972ede9b1SAtsushi Nemoto 1840130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1841130e2fb7SRalf Baechle bool 1842130e2fb7SRalf Baechle 1843130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1844130e2fb7SRalf Baechle bool 1845130e2fb7SRalf Baechle 1846130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1847130e2fb7SRalf Baechle bool 1848130e2fb7SRalf Baechle 1849130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1850130e2fb7SRalf Baechle bool 1851130e2fb7SRalf Baechle 1852130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1853130e2fb7SRalf Baechle bool 1854130e2fb7SRalf Baechle 1855130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1856130e2fb7SRalf Baechle bool 1857130e2fb7SRalf Baechle 18581da177e4SLinus Torvaldsconfig NR_CPUS 18591da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 186072ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 18611da177e4SLinus Torvalds depends on SMP 186272ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1863130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1864130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1865130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1866130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1867130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1868130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 18691da177e4SLinus Torvalds help 18701da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 18711da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 18721da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 187372ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 187472ede9b1SAtsushi Nemoto and 2 for all others. 18751da177e4SLinus Torvalds 18761da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 187772ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 187872ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 187972ede9b1SAtsushi Nemoto power of two. 18801da177e4SLinus Torvalds 1881c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 1882c4eee283SAtsushi Nemoto 18831723b4a3SAtsushi Nemoto# 18841723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 18851723b4a3SAtsushi Nemoto# 18861723b4a3SAtsushi Nemoto 18871723b4a3SAtsushi Nemotochoice 18881723b4a3SAtsushi Nemoto prompt "Timer frequency" 18891723b4a3SAtsushi Nemoto default HZ_250 18901723b4a3SAtsushi Nemoto help 18911723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 18921723b4a3SAtsushi Nemoto 18931723b4a3SAtsushi Nemoto config HZ_48 18940f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 18951723b4a3SAtsushi Nemoto 18961723b4a3SAtsushi Nemoto config HZ_100 18971723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 18981723b4a3SAtsushi Nemoto 18991723b4a3SAtsushi Nemoto config HZ_128 19001723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 19011723b4a3SAtsushi Nemoto 19021723b4a3SAtsushi Nemoto config HZ_250 19031723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 19041723b4a3SAtsushi Nemoto 19051723b4a3SAtsushi Nemoto config HZ_256 19061723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 19071723b4a3SAtsushi Nemoto 19081723b4a3SAtsushi Nemoto config HZ_1000 19091723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 19101723b4a3SAtsushi Nemoto 19111723b4a3SAtsushi Nemoto config HZ_1024 19121723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 19131723b4a3SAtsushi Nemoto 19141723b4a3SAtsushi Nemotoendchoice 19151723b4a3SAtsushi Nemoto 19161723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 19171723b4a3SAtsushi Nemoto bool 19181723b4a3SAtsushi Nemoto 19191723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 19201723b4a3SAtsushi Nemoto bool 19211723b4a3SAtsushi Nemoto 19221723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 19231723b4a3SAtsushi Nemoto bool 19241723b4a3SAtsushi Nemoto 19251723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 19261723b4a3SAtsushi Nemoto bool 19271723b4a3SAtsushi Nemoto 19281723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 19291723b4a3SAtsushi Nemoto bool 19301723b4a3SAtsushi Nemoto 19311723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 19321723b4a3SAtsushi Nemoto bool 19331723b4a3SAtsushi Nemoto 19341723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 19351723b4a3SAtsushi Nemoto bool 19361723b4a3SAtsushi Nemoto 19371723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 19381723b4a3SAtsushi Nemoto bool 19391723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 19401723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 19411723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 19421723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 19431723b4a3SAtsushi Nemoto 19441723b4a3SAtsushi Nemotoconfig HZ 19451723b4a3SAtsushi Nemoto int 19461723b4a3SAtsushi Nemoto default 48 if HZ_48 19471723b4a3SAtsushi Nemoto default 100 if HZ_100 19481723b4a3SAtsushi Nemoto default 128 if HZ_128 19491723b4a3SAtsushi Nemoto default 250 if HZ_250 19501723b4a3SAtsushi Nemoto default 256 if HZ_256 19511723b4a3SAtsushi Nemoto default 1000 if HZ_1000 19521723b4a3SAtsushi Nemoto default 1024 if HZ_1024 19531723b4a3SAtsushi Nemoto 1954e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 19551da177e4SLinus Torvalds 19561da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 19571da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1958875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 19591da177e4SLinus Torvalds help 19601da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 19611da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 19621da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 19631da177e4SLinus Torvalds This will result in additional memory usage, so it is not 19641da177e4SLinus Torvalds recommended for normal users. 19651da177e4SLinus Torvalds 1966ea6e942bSAtsushi Nemotoconfig KEXEC 1967ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1968ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1969ea6e942bSAtsushi Nemoto help 1970ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1971ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 19723dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1973ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1974ea6e942bSAtsushi Nemoto 197501dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 1976ea6e942bSAtsushi Nemoto 1977ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1978ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1979ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1980ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1981ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1982ea6e942bSAtsushi Nemoto 1983ea6e942bSAtsushi Nemotoconfig SECCOMP 1984ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1985293c5bd1SRalf Baechle depends on PROC_FS 1986ea6e942bSAtsushi Nemoto default y 1987ea6e942bSAtsushi Nemoto help 1988ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1989ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1990ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1991ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1992ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1993ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1994ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1995ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1996ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1997ea6e942bSAtsushi Nemoto 1998ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1999ea6e942bSAtsushi Nemoto 20005e83d430SRalf Baechleendmenu 20015e83d430SRalf Baechle 20021df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 20031df0f0ffSAtsushi Nemoto bool 20041df0f0ffSAtsushi Nemoto default y 20051df0f0ffSAtsushi Nemoto 20061df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 20071df0f0ffSAtsushi Nemoto bool 20081df0f0ffSAtsushi Nemoto default y 20091df0f0ffSAtsushi Nemoto 2010b6c3539bSRalf Baechlesource "init/Kconfig" 2011b6c3539bSRalf Baechle 20120011036bSAtsushi Nemotoconfig PROBE_INITRD_HEADER 20130011036bSAtsushi Nemoto bool "Probe initrd header created by addinitrd" 20140011036bSAtsushi Nemoto depends on BLK_DEV_INITRD 20150011036bSAtsushi Nemoto help 20160011036bSAtsushi Nemoto Probe initrd header at the last page of kernel image. 20170011036bSAtsushi Nemoto Say Y here if you are using arch/mips/boot/addinitrd.c to 20180011036bSAtsushi Nemoto add initrd or initramfs image to the kernel image. 20190011036bSAtsushi Nemoto Otherwise, say N. 20200011036bSAtsushi Nemoto 2021dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2022dc52ddc0SMatt Helsley 20231da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 20241da177e4SLinus Torvalds 20255e83d430SRalf Baechleconfig HW_HAS_EISA 20265e83d430SRalf Baechle bool 20271da177e4SLinus Torvaldsconfig HW_HAS_PCI 20281da177e4SLinus Torvalds bool 20291da177e4SLinus Torvalds 20301da177e4SLinus Torvaldsconfig PCI 20311da177e4SLinus Torvalds bool "Support for PCI controller" 20321da177e4SLinus Torvalds depends on HW_HAS_PCI 2033abb4ae46SRalf Baechle select PCI_DOMAINS 20341da177e4SLinus Torvalds help 20351da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 20361da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 20371da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 20381da177e4SLinus Torvalds say Y, otherwise N. 20391da177e4SLinus Torvalds 20401da177e4SLinus Torvaldsconfig PCI_DOMAINS 20411da177e4SLinus Torvalds bool 20421da177e4SLinus Torvalds 20431da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 20441da177e4SLinus Torvalds 20451da177e4SLinus Torvalds# 20461da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 20471da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 20481da177e4SLinus Torvalds# users to choose the right thing ... 20491da177e4SLinus Torvalds# 20501da177e4SLinus Torvaldsconfig ISA 20511da177e4SLinus Torvalds bool 20521da177e4SLinus Torvalds 20531da177e4SLinus Torvaldsconfig EISA 20541da177e4SLinus Torvalds bool "EISA support" 20555e83d430SRalf Baechle depends on HW_HAS_EISA 20561da177e4SLinus Torvalds select ISA 2057aa414dffSRalf Baechle select GENERIC_ISA_DMA 20581da177e4SLinus Torvalds ---help--- 20591da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 20601da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 20611da177e4SLinus Torvalds 20621da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 20631da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 20641da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 20651da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 20661da177e4SLinus Torvalds 20671da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 20681da177e4SLinus Torvalds 20691da177e4SLinus Torvalds Otherwise, say N. 20701da177e4SLinus Torvalds 20711da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 20721da177e4SLinus Torvalds 20731da177e4SLinus Torvaldsconfig TC 20741da177e4SLinus Torvalds bool "TURBOchannel support" 20751da177e4SLinus Torvalds depends on MACH_DECSTATION 20761da177e4SLinus Torvalds help 20771da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 20781da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 20791da177e4SLinus Torvalds is available at: 20801da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 20811da177e4SLinus Torvalds 20821da177e4SLinus Torvalds#config ACCESSBUS 20831da177e4SLinus Torvalds# bool "Access.Bus support" 20841da177e4SLinus Torvalds# depends on TC 20851da177e4SLinus Torvalds 20861da177e4SLinus Torvaldsconfig MMU 20871da177e4SLinus Torvalds bool 20881da177e4SLinus Torvalds default y 20891da177e4SLinus Torvalds 2090d865bea4SRalf Baechleconfig I8253 2091d865bea4SRalf Baechle bool 2092d865bea4SRalf Baechle 2093cce335aeSRalf Baechleconfig ZONE_DMA32 2094cce335aeSRalf Baechle bool 2095cce335aeSRalf Baechle 20961da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 20971da177e4SLinus Torvalds 20981da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 20991da177e4SLinus Torvalds 21001da177e4SLinus Torvaldsendmenu 21011da177e4SLinus Torvalds 21021da177e4SLinus Torvaldsmenu "Executable file formats" 21031da177e4SLinus Torvalds 21041da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 21051da177e4SLinus Torvalds 21061da177e4SLinus Torvaldsconfig TRAD_SIGNALS 21071da177e4SLinus Torvalds bool 21081da177e4SLinus Torvalds 21091da177e4SLinus Torvaldsconfig MIPS32_COMPAT 21101da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2111875d43e7SRalf Baechle depends on 64BIT 21121da177e4SLinus Torvalds help 21131da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 21141da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 21151da177e4SLinus Torvalds currently 32-bit you should say Y here. 21161da177e4SLinus Torvalds 21171da177e4SLinus Torvaldsconfig COMPAT 21181da177e4SLinus Torvalds bool 21191da177e4SLinus Torvalds depends on MIPS32_COMPAT 21201da177e4SLinus Torvalds default y 21211da177e4SLinus Torvalds 212205e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 212305e43966SAtsushi Nemoto bool 212405e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 212505e43966SAtsushi Nemoto default y 212605e43966SAtsushi Nemoto 21271da177e4SLinus Torvaldsconfig MIPS32_O32 21281da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 21291da177e4SLinus Torvalds depends on MIPS32_COMPAT 21301da177e4SLinus Torvalds help 21311da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 21321da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 21331da177e4SLinus Torvalds existing binaries are in this format. 21341da177e4SLinus Torvalds 21351da177e4SLinus Torvalds If unsure, say Y. 21361da177e4SLinus Torvalds 21371da177e4SLinus Torvaldsconfig MIPS32_N32 21381da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 21391da177e4SLinus Torvalds depends on MIPS32_COMPAT 21401da177e4SLinus Torvalds help 21411da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 21421da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 21431da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 21441da177e4SLinus Torvalds cases. 21451da177e4SLinus Torvalds 21461da177e4SLinus Torvalds If unsure, say N. 21471da177e4SLinus Torvalds 21481da177e4SLinus Torvaldsconfig BINFMT_ELF32 21491da177e4SLinus Torvalds bool 21501da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 21511da177e4SLinus Torvalds 21522116245eSRalf Baechleendmenu 21531da177e4SLinus Torvalds 21542116245eSRalf Baechlemenu "Power management options" 2155952fa954SRodolfo Giometti 2156363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2157363c55caSWu Zhangjin def_bool y 21583f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2159363c55caSWu Zhangjin 2160f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2161f4cb5700SJohannes Berg def_bool y 21623f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2163f4cb5700SJohannes Berg 21642116245eSRalf Baechlesource "kernel/power/Kconfig" 2165952fa954SRodolfo Giometti 21661da177e4SLinus Torvaldsendmenu 21671da177e4SLinus Torvalds 2168d5950b43SSam Ravnborgsource "net/Kconfig" 2169d5950b43SSam Ravnborg 21701da177e4SLinus Torvaldssource "drivers/Kconfig" 21711da177e4SLinus Torvalds 21721da177e4SLinus Torvaldssource "fs/Kconfig" 21731da177e4SLinus Torvalds 21741da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 21751da177e4SLinus Torvalds 21761da177e4SLinus Torvaldssource "security/Kconfig" 21771da177e4SLinus Torvalds 21781da177e4SLinus Torvaldssource "crypto/Kconfig" 21791da177e4SLinus Torvalds 21801da177e4SLinus Torvaldssource "lib/Kconfig" 2181