11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 5ec7748b5SSam Ravnborg select HAVE_IDE 642d4b839SMathieu Desnoyers select HAVE_OPROFILE 77f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 87f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 988547001SJason Wessel select HAVE_ARCH_KGDB 10d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 1169a7d1b3SWu Zhangjin select HAVE_FUNCTION_TRACE_MCOUNT_TEST 12538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 13538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 1464575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 1529c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 16c1bf207dSDavid Daney select HAVE_KPROBES 17c1bf207dSDavid Daney select HAVE_KRETPROBES 1821a41faaSWu Zhangjin select RTC_LIB if !MACH_LOONGSON 192b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 2048e1fd5aSDavid Daney select HAVE_DMA_ATTRS 2148e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 223bd27e32SDavid Daney select HAVE_GENERIC_HARDIRQS 233bd27e32SDavid Daney select GENERIC_IRQ_PROBE 24*94bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 251da177e4SLinus Torvalds 261da177e4SLinus Torvaldsmenu "Machine selection" 271da177e4SLinus Torvalds 285ac6da66SChristoph Lameterconfig ZONE_DMA 295ac6da66SChristoph Lameter bool 305ac6da66SChristoph Lameter 315e83d430SRalf Baechlechoice 325e83d430SRalf Baechle prompt "System type" 335e83d430SRalf Baechle default SGI_IP22 341da177e4SLinus Torvalds 3542a4f17dSManuel Laussconfig MIPS_ALCHEMY 36c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 3742a4f17dSManuel Lauss select 64BIT_PHYS_ADDR 3842a4f17dSManuel Lauss select CEVT_R4K_LIB 3942a4f17dSManuel Lauss select CSRC_R4K_LIB 4042a4f17dSManuel Lauss select IRQ_CPU 4142a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 4242a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 4342a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 4442a4f17dSManuel Lauss select GENERIC_GPIO 4542a4f17dSManuel Lauss select ARCH_WANT_OPTIONAL_GPIOLIB 461b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 471da177e4SLinus Torvalds 487ca5dc14SFlorian Fainelliconfig AR7 497ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 507ca5dc14SFlorian Fainelli select BOOT_ELF32 517ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 527ca5dc14SFlorian Fainelli select CEVT_R4K 537ca5dc14SFlorian Fainelli select CSRC_R4K 547ca5dc14SFlorian Fainelli select IRQ_CPU 557ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 567ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 577ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 587ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 597ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 607ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 611b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 625f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 637ca5dc14SFlorian Fainelli select GCD 647ca5dc14SFlorian Fainelli select VLYNQ 657ca5dc14SFlorian Fainelli help 667ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 677ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 687ca5dc14SFlorian Fainelli 691c0c13ebSAurelien Jarnoconfig BCM47XX 70c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 7142f77542SRalf Baechle select CEVT_R4K 72940f6b48SRalf Baechle select CSRC_R4K 731c0c13ebSAurelien Jarno select DMA_NONCOHERENT 741c0c13ebSAurelien Jarno select HW_HAS_PCI 751c0c13ebSAurelien Jarno select IRQ_CPU 761c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 771c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 781c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 791c0c13ebSAurelien Jarno select SSB 801c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 812f02c15aSAurelien Jarno select SSB_DRIVER_EXTIF 82b06f3e19SAurelien Jarno select SSB_EMBEDDED 83220937b1SHauke Mehrtens select SSB_B43_PCI_BRIDGE if PCI 842f02c15aSAurelien Jarno select SSB_PCICORE_HOSTMODE if PCI 851c0c13ebSAurelien Jarno select GENERIC_GPIO 8625e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 8725e5fb97SAurelien Jarno select CFE 881c0c13ebSAurelien Jarno help 891c0c13ebSAurelien Jarno Support for BCM47XX based boards 901c0c13ebSAurelien Jarno 91e7300d04SMaxime Bizonconfig BCM63XX 92e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 93e7300d04SMaxime Bizon select CEVT_R4K 94e7300d04SMaxime Bizon select CSRC_R4K 95e7300d04SMaxime Bizon select DMA_NONCOHERENT 96e7300d04SMaxime Bizon select IRQ_CPU 97e7300d04SMaxime Bizon select SYS_HAS_CPU_MIPS32_R1 98e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 99e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 100e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 101e7300d04SMaxime Bizon select SWAP_IO_SPACE 102e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 103e7300d04SMaxime Bizon help 104e7300d04SMaxime Bizon Support for BCM63XX based boards 105e7300d04SMaxime Bizon 1061da177e4SLinus Torvaldsconfig MIPS_COBALT 1073fa986faSMartin Michlmayr bool "Cobalt Server" 10842f77542SRalf Baechle select CEVT_R4K 109940f6b48SRalf Baechle select CSRC_R4K 1101097c6acSYoichi Yuasa select CEVT_GT641XX 1111da177e4SLinus Torvalds select DMA_NONCOHERENT 1121da177e4SLinus Torvalds select HW_HAS_PCI 113d865bea4SRalf Baechle select I8253 1141da177e4SLinus Torvalds select I8259 1151da177e4SLinus Torvalds select IRQ_CPU 116d5ab1a69SYoichi Yuasa select IRQ_GT641XX 117252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 118e25bfc92SYoichi Yuasa select PCI 1197cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1200a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 121ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 1220e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 1235e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1241da177e4SLinus Torvalds 1251da177e4SLinus Torvaldsconfig MACH_DECSTATION 1263fa986faSMartin Michlmayr bool "DECstations" 1271da177e4SLinus Torvalds select BOOT_ELF32 1286457d9fcSYoichi Yuasa select CEVT_DS1287 12942f77542SRalf Baechle select CEVT_R4K 1304247417dSYoichi Yuasa select CSRC_IOASIC 131940f6b48SRalf Baechle select CSRC_R4K 13220d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 13320d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 13420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 1351da177e4SLinus Torvalds select DMA_NONCOHERENT 136d388d685SMaciej W. Rozycki select NO_IOPORT 1371da177e4SLinus Torvalds select IRQ_CPU 1387cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 1397cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 140ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 141ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1425e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1431723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 1441723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 1451723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 1465e83d430SRalf Baechle help 1471da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1481da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1491da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1501da177e4SLinus Torvalds 1511da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1521da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1531da177e4SLinus Torvalds 1541da177e4SLinus Torvalds DECstation 5000/50 1551da177e4SLinus Torvalds DECstation 5000/150 1561da177e4SLinus Torvalds DECstation 5000/260 1571da177e4SLinus Torvalds DECsystem 5900/260 1581da177e4SLinus Torvalds 1591da177e4SLinus Torvalds otherwise choose R3000. 1601da177e4SLinus Torvalds 1615e83d430SRalf Baechleconfig MACH_JAZZ 1623fa986faSMartin Michlmayr bool "Jazz family of machines" 1635e83d430SRalf Baechle select ARC 1645e83d430SRalf Baechle select ARC32 1655e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 16642f77542SRalf Baechle select CEVT_R4K 167940f6b48SRalf Baechle select CSRC_R4K 168e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1695e83d430SRalf Baechle select GENERIC_ISA_DMA 170ea202c63SThomas Bogendoerfer select IRQ_CPU 171d865bea4SRalf Baechle select I8253 1725e83d430SRalf Baechle select I8259 1735e83d430SRalf Baechle select ISA 1747cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1755e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1765e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1771723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1781da177e4SLinus Torvalds help 1795e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1805e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 181692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 1825e83d430SRalf Baechle Olivetti M700-10 workstations. 1835e83d430SRalf Baechle 1845ebabe59SLars-Peter Clausenconfig MACH_JZ4740 1855ebabe59SLars-Peter Clausen bool "Ingenic JZ4740 based machines" 1865ebabe59SLars-Peter Clausen select SYS_HAS_CPU_MIPS32_R1 1875ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 1885ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 1895ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 1905ebabe59SLars-Peter Clausen select IRQ_CPU 1915ebabe59SLars-Peter Clausen select GENERIC_GPIO 1925ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 1935ebabe59SLars-Peter Clausen select SYS_HAS_EARLY_PRINTK 1945ebabe59SLars-Peter Clausen select HAVE_PWM 1955ebabe59SLars-Peter Clausen 1961f21d2bdSBrian Murphyconfig LASAT 1971f21d2bdSBrian Murphy bool "LASAT Networks platforms" 19842f77542SRalf Baechle select CEVT_R4K 199940f6b48SRalf Baechle select CSRC_R4K 2001f21d2bdSBrian Murphy select DMA_NONCOHERENT 2011f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 2021f21d2bdSBrian Murphy select HW_HAS_PCI 203a5ccfe5cSRalf Baechle select IRQ_CPU 2041f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 2051f21d2bdSBrian Murphy select MIPS_NILE4 2061f21d2bdSBrian Murphy select R5000_CPU_SCACHE 2071f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 2081f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 2091f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 2101f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 2111f21d2bdSBrian Murphy 21285749d24SWu Zhangjinconfig MACH_LOONGSON 21385749d24SWu Zhangjin bool "Loongson family of machines" 214c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 215ade299d8SYoichi Yuasa help 21685749d24SWu Zhangjin This enables the support of Loongson family of machines. 21785749d24SWu Zhangjin 21885749d24SWu Zhangjin Loongson is a family of general-purpose MIPS-compatible CPUs. 21985749d24SWu Zhangjin developed at Institute of Computing Technology (ICT), 22085749d24SWu Zhangjin Chinese Academy of Sciences (CAS) in the People's Republic 22185749d24SWu Zhangjin of China. The chief architect is Professor Weiwu Hu. 222ade299d8SYoichi Yuasa 2231da177e4SLinus Torvaldsconfig MIPS_MALTA 2243fa986faSMartin Michlmayr bool "MIPS Malta board" 22561ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2261da177e4SLinus Torvalds select BOOT_ELF32 227fa71c960SRalf Baechle select BOOT_RAW 22842f77542SRalf Baechle select CEVT_R4K 229940f6b48SRalf Baechle select CSRC_R4K 2301da177e4SLinus Torvalds select DMA_NONCOHERENT 2311da177e4SLinus Torvalds select GENERIC_ISA_DMA 232aa414dffSRalf Baechle select IRQ_CPU 23339b8d525SRalf Baechle select IRQ_GIC 2341da177e4SLinus Torvalds select HW_HAS_PCI 235d865bea4SRalf Baechle select I8253 2361da177e4SLinus Torvalds select I8259 2375e83d430SRalf Baechle select MIPS_BOARDS_GEN 2385e83d430SRalf Baechle select MIPS_BONITO64 2399318c51aSChris Dearman select MIPS_CPU_SCACHE 240252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2415e83d430SRalf Baechle select MIPS_MSC 2421da177e4SLinus Torvalds select SWAP_IO_SPACE 2437cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2447cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2457cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2467cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2477cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 24836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 249ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 250ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2515e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2525e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2530365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 254f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2559693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2561b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 2571da177e4SLinus Torvalds help 258f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2591da177e4SLinus Torvalds board. 2601da177e4SLinus Torvalds 261c78cbf49SRalf Baechleconfig MIPS_SIM 2623fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 26342f77542SRalf Baechle select CEVT_R4K 264940f6b48SRalf Baechle select CSRC_R4K 265c78cbf49SRalf Baechle select DMA_NONCOHERENT 26636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 267c78cbf49SRalf Baechle select IRQ_CPU 2689267a30dSMarc St-Jean select BOOT_RAW 2697cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2707cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 27136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 272c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 273c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 274f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 275c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 276c78cbf49SRalf Baechle help 277c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 278c78cbf49SRalf Baechle emulator. 279c78cbf49SRalf Baechle 280a83860c2SRalf Baechleconfig NEC_MARKEINS 281a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 282a83860c2SRalf Baechle select SOC_EMMA2RH 283a83860c2SRalf Baechle select HW_HAS_PCI 284a83860c2SRalf Baechle help 285a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 286ade299d8SYoichi Yuasa 2875e83d430SRalf Baechleconfig MACH_VR41XX 28874142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 28942f77542SRalf Baechle select CEVT_R4K 290940f6b48SRalf Baechle select CSRC_R4K 2917cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 29227fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 2935e83d430SRalf Baechle 294edb6310aSDaniel Lairdconfig NXP_STB220 295edb6310aSDaniel Laird bool "NXP STB220 board" 296edb6310aSDaniel Laird select SOC_PNX833X 297edb6310aSDaniel Laird help 298edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 299edb6310aSDaniel Laird 300edb6310aSDaniel Lairdconfig NXP_STB225 301edb6310aSDaniel Laird bool "NXP 225 board" 302edb6310aSDaniel Laird select SOC_PNX833X 303edb6310aSDaniel Laird select SOC_PNX8335 304edb6310aSDaniel Laird help 305edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 306edb6310aSDaniel Laird 307ade299d8SYoichi Yuasaconfig PNX8550_JBS 308a92b0588SDaniel Laird bool "NXP PNX8550 based JBS board" 309ade299d8SYoichi Yuasa select PNX8550 310ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 311ade299d8SYoichi Yuasa 312ade299d8SYoichi Yuasaconfig PNX8550_STB810 313a92b0588SDaniel Laird bool "NXP PNX8550 based STB810 board" 314ade299d8SYoichi Yuasa select PNX8550 315ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 316ade299d8SYoichi Yuasa 3179267a30dSMarc St-Jeanconfig PMC_MSP 3189267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 3199267a30dSMarc St-Jean depends on EXPERIMENTAL 3209267a30dSMarc St-Jean select DMA_NONCOHERENT 3219267a30dSMarc St-Jean select SWAP_IO_SPACE 3229267a30dSMarc St-Jean select NO_EXCEPT_FILL 3239267a30dSMarc St-Jean select BOOT_RAW 3249267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3259267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3269267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3279267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3289267a30dSMarc St-Jean select IRQ_CPU 3299267a30dSMarc St-Jean select SERIAL_8250 3309267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3319267a30dSMarc St-Jean help 3329267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3339267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3349267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3359267a30dSMarc St-Jean a variety of MIPS cores. 3369267a30dSMarc St-Jean 3375e83d430SRalf Baechleconfig PMC_YOSEMITE 3383fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 33942f77542SRalf Baechle select CEVT_R4K 340940f6b48SRalf Baechle select CSRC_R4K 3415e83d430SRalf Baechle select DMA_COHERENT 3425e83d430SRalf Baechle select HW_HAS_PCI 3435e83d430SRalf Baechle select IRQ_CPU 3445e83d430SRalf Baechle select IRQ_CPU_RM7K 3455e83d430SRalf Baechle select IRQ_CPU_RM9K 3465e83d430SRalf Baechle select SWAP_IO_SPACE 3477cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 34836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3495e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3505e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3515e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3525e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 353e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3545e83d430SRalf Baechle help 3555e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3565e83d430SRalf Baechle manufactured by PMC-Sierra. 3571da177e4SLinus Torvalds 358a3a0f8c8SDavid VomLehnconfig POWERTV 359a3a0f8c8SDavid VomLehn bool "Cisco PowerTV" 360a3a0f8c8SDavid VomLehn select BOOT_ELF32 361a3a0f8c8SDavid VomLehn select CEVT_R4K 362a3a0f8c8SDavid VomLehn select CPU_MIPSR2_IRQ_VI 363a3a0f8c8SDavid VomLehn select CPU_MIPSR2_IRQ_EI 364a3a0f8c8SDavid VomLehn select CSRC_POWERTV 365a3a0f8c8SDavid VomLehn select DMA_NONCOHERENT 366a3a0f8c8SDavid VomLehn select HW_HAS_PCI 367a3a0f8c8SDavid VomLehn select SYS_HAS_EARLY_PRINTK 368a3a0f8c8SDavid VomLehn select SYS_HAS_CPU_MIPS32_R2 369a3a0f8c8SDavid VomLehn select SYS_SUPPORTS_32BIT_KERNEL 370a3a0f8c8SDavid VomLehn select SYS_SUPPORTS_BIG_ENDIAN 371a3a0f8c8SDavid VomLehn select SYS_SUPPORTS_HIGHMEM 372a3a0f8c8SDavid VomLehn select USB_OHCI_LITTLE_ENDIAN 373a3a0f8c8SDavid VomLehn help 374a3a0f8c8SDavid VomLehn This enables support for the Cisco PowerTV Platform. 375a3a0f8c8SDavid VomLehn 3761da177e4SLinus Torvaldsconfig SGI_IP22 3773fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3781da177e4SLinus Torvalds select ARC 3791da177e4SLinus Torvalds select ARC32 3801da177e4SLinus Torvalds select BOOT_ELF32 38142f77542SRalf Baechle select CEVT_R4K 382940f6b48SRalf Baechle select CSRC_R4K 383e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3841da177e4SLinus Torvalds select DMA_NONCOHERENT 3855e83d430SRalf Baechle select HW_HAS_EISA 386d865bea4SRalf Baechle select I8253 38768de4803SThomas Bogendoerfer select I8259 3881da177e4SLinus Torvalds select IP22_CPU_SCACHE 3891da177e4SLinus Torvalds select IRQ_CPU 390aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 391e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 392e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 39336e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 394e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 395e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 396e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3971da177e4SLinus Torvalds select SWAP_IO_SPACE 3987cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3997cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4002b5e63f6SMartin Michlmayr # 4012b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 4022b5e63f6SMartin Michlmayr # memory during early boot on some machines. 4032b5e63f6SMartin Michlmayr # 4042b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 4052b5e63f6SMartin Michlmayr # for a more details discussion 4062b5e63f6SMartin Michlmayr # 4072b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 408ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 409ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4105e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4111da177e4SLinus Torvalds help 4121da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 4131da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 4141da177e4SLinus Torvalds that runs on these, say Y here. 4151da177e4SLinus Torvalds 4161da177e4SLinus Torvaldsconfig SGI_IP27 4173fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 4181da177e4SLinus Torvalds select ARC 4191da177e4SLinus Torvalds select ARC64 4205e83d430SRalf Baechle select BOOT_ELF64 421e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 422634286f1SRalf Baechle select DMA_COHERENT 42336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 4241da177e4SLinus Torvalds select HW_HAS_PCI 425130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 4267cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 427ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4285e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 429d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4301a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 4311da177e4SLinus Torvalds help 4321da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4331da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4341da177e4SLinus Torvalds here. 4351da177e4SLinus Torvalds 436e2defae5SThomas Bogendoerferconfig SGI_IP28 437e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 438e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 439e2defae5SThomas Bogendoerfer select ARC 440e2defae5SThomas Bogendoerfer select ARC64 441e2defae5SThomas Bogendoerfer select BOOT_ELF64 442e2defae5SThomas Bogendoerfer select CEVT_R4K 443e2defae5SThomas Bogendoerfer select CSRC_R4K 444e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 445e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 446e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 447e2defae5SThomas Bogendoerfer select IRQ_CPU 448e2defae5SThomas Bogendoerfer select HW_HAS_EISA 449e2defae5SThomas Bogendoerfer select I8253 450e2defae5SThomas Bogendoerfer select I8259 451e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 452e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 4535b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 454e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 455e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 456e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 457e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 458e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 4592b5e63f6SMartin Michlmayr # 4602b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 4612b5e63f6SMartin Michlmayr # memory during early boot on some machines. 4622b5e63f6SMartin Michlmayr # 4632b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 4642b5e63f6SMartin Michlmayr # for a more details discussion 4652b5e63f6SMartin Michlmayr # 4662b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 467e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 468e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 469e2defae5SThomas Bogendoerfer help 470e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 471e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 472e2defae5SThomas Bogendoerfer 4731da177e4SLinus Torvaldsconfig SGI_IP32 474cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4751da177e4SLinus Torvalds select ARC 4761da177e4SLinus Torvalds select ARC32 4771da177e4SLinus Torvalds select BOOT_ELF32 47842f77542SRalf Baechle select CEVT_R4K 479940f6b48SRalf Baechle select CSRC_R4K 4801da177e4SLinus Torvalds select DMA_NONCOHERENT 4811da177e4SLinus Torvalds select HW_HAS_PCI 482dd67b155SRalf Baechle select IRQ_CPU 4831da177e4SLinus Torvalds select R5000_CPU_SCACHE 4841da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4857cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4867cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4877cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 488dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 489ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4905e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4911da177e4SLinus Torvalds help 4921da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4931da177e4SLinus Torvalds 494ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 495ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4965e83d430SRalf Baechle depends on EXPERIMENTAL 4975e83d430SRalf Baechle select BOOT_ELF32 4985e83d430SRalf Baechle select DMA_COHERENT 4995e83d430SRalf Baechle select SIBYTE_BCM1120 5005e83d430SRalf Baechle select SWAP_IO_SPACE 5017cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5025e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5035e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5045e83d430SRalf Baechle 505ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 506ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 5075e83d430SRalf Baechle depends on EXPERIMENTAL 5085e83d430SRalf Baechle select BOOT_ELF32 5095e83d430SRalf Baechle select DMA_COHERENT 5105e83d430SRalf Baechle select SIBYTE_BCM1120 5115e83d430SRalf Baechle select SWAP_IO_SPACE 5127cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5135e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5145e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5155e83d430SRalf Baechle 5165e83d430SRalf Baechleconfig SIBYTE_CRHONE 5173fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 5185e83d430SRalf Baechle depends on EXPERIMENTAL 5195e83d430SRalf Baechle select BOOT_ELF32 5205e83d430SRalf Baechle select DMA_COHERENT 5215e83d430SRalf Baechle select SIBYTE_BCM1125 5225e83d430SRalf Baechle select SWAP_IO_SPACE 5237cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5245e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5255e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5265e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5275e83d430SRalf Baechle 528ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 529ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 530ade299d8SYoichi Yuasa depends on EXPERIMENTAL 531ade299d8SYoichi Yuasa select BOOT_ELF32 532ade299d8SYoichi Yuasa select DMA_COHERENT 533ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 534ade299d8SYoichi Yuasa select SWAP_IO_SPACE 535ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 536ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 537ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 538ade299d8SYoichi Yuasa 539ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 540ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 541ade299d8SYoichi Yuasa select BOOT_ELF32 542ade299d8SYoichi Yuasa select DMA_COHERENT 543fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 544ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 545ade299d8SYoichi Yuasa select SIBYTE_SB1250 546ade299d8SYoichi Yuasa select SWAP_IO_SPACE 547ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 548ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 549ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 550ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 551cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 552ade299d8SYoichi Yuasa 553ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 554ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 555ade299d8SYoichi Yuasa depends on EXPERIMENTAL 556ade299d8SYoichi Yuasa select BOOT_ELF32 557ade299d8SYoichi Yuasa select DMA_COHERENT 558fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 559ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 560ade299d8SYoichi Yuasa select SIBYTE_SB1250 561ade299d8SYoichi Yuasa select SWAP_IO_SPACE 562ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 563ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 564ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 565ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 566ade299d8SYoichi Yuasa 567ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 568ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 569ade299d8SYoichi Yuasa depends on EXPERIMENTAL 570ade299d8SYoichi Yuasa select BOOT_ELF32 571ade299d8SYoichi Yuasa select DMA_COHERENT 572ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 573ade299d8SYoichi Yuasa select SIBYTE_SB1250 574ade299d8SYoichi Yuasa select SWAP_IO_SPACE 575ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 576ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 577ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 578ade299d8SYoichi Yuasa 579ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 580ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 581ade299d8SYoichi Yuasa select BOOT_ELF32 582ade299d8SYoichi Yuasa select DMA_COHERENT 583ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 584ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 585ade299d8SYoichi Yuasa select SWAP_IO_SPACE 586ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 587ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 588651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 589ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 590cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 591ade299d8SYoichi Yuasa 59214b36af4SThomas Bogendoerferconfig SNI_RM 59314b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5944a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5954a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 596231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5975e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5985e83d430SRalf Baechle select BOOT_ELF32 59942f77542SRalf Baechle select CEVT_R4K 600940f6b48SRalf Baechle select CSRC_R4K 601e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 6025e83d430SRalf Baechle select DMA_NONCOHERENT 6035e83d430SRalf Baechle select GENERIC_ISA_DMA 6045e83d430SRalf Baechle select HW_HAS_EISA 6055e83d430SRalf Baechle select HW_HAS_PCI 606c066a32aSThomas Bogendoerfer select IRQ_CPU 607d865bea4SRalf Baechle select I8253 6085e83d430SRalf Baechle select I8259 6095e83d430SRalf Baechle select ISA 6104a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 6117cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6124a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 613c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 6144a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 61536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 616ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 6175e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 6184a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 6195e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6205e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6211da177e4SLinus Torvalds help 62214b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 62314b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 6245e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 6255e83d430SRalf Baechle support this machine type. 6261da177e4SLinus Torvalds 627edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 628edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 6295e83d430SRalf Baechle 630edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 631edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 63223fbee9dSRalf Baechle 63373b4390fSRalf Baechleconfig MIKROTIK_RB532 63473b4390fSRalf Baechle bool "Mikrotik RB532 boards" 63573b4390fSRalf Baechle select CEVT_R4K 63673b4390fSRalf Baechle select CSRC_R4K 63773b4390fSRalf Baechle select DMA_NONCOHERENT 63873b4390fSRalf Baechle select HW_HAS_PCI 63973b4390fSRalf Baechle select IRQ_CPU 64073b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 64173b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 64273b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 64373b4390fSRalf Baechle select SWAP_IO_SPACE 64473b4390fSRalf Baechle select BOOT_RAW 645d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 64673b4390fSRalf Baechle help 64773b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 64873b4390fSRalf Baechle based on the IDT RC32434 SoC. 64973b4390fSRalf Baechle 650ade299d8SYoichi Yuasaconfig WR_PPMC 651ade299d8SYoichi Yuasa bool "Wind River PPMC board" 65242f77542SRalf Baechle select CEVT_R4K 653940f6b48SRalf Baechle select CSRC_R4K 654ade299d8SYoichi Yuasa select IRQ_CPU 655ade299d8SYoichi Yuasa select BOOT_ELF32 656ade299d8SYoichi Yuasa select DMA_NONCOHERENT 657ade299d8SYoichi Yuasa select HW_HAS_PCI 658ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 659ade299d8SYoichi Yuasa select SWAP_IO_SPACE 660ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 661ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 662ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 663ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 664ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 665ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 666ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 667ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 668ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 669ade299d8SYoichi Yuasa help 670ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 671ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 672ade299d8SYoichi Yuasa 673a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_SIMULATOR 674c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon Simulator" 675a86c7f72SDavid Daney select CEVT_R4K 676a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 677a86c7f72SDavid Daney select DMA_COHERENT 678a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 679a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 680a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 681773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 6825e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 683a86c7f72SDavid Daney help 684a86c7f72SDavid Daney The Octeon simulator is software performance model of the Cavium 685a86c7f72SDavid Daney Octeon Processor. It supports simulating Octeon processors on x86 686a86c7f72SDavid Daney hardware. 687a86c7f72SDavid Daney 688a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_REFERENCE_BOARD 689c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon reference board" 690a86c7f72SDavid Daney select CEVT_R4K 691a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 692a86c7f72SDavid Daney select DMA_COHERENT 693a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 694a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 695a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 696773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 697a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 6985e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 699a86c7f72SDavid Daney select SWAP_IO_SPACE 700e8635b48SDavid Daney select HW_HAS_PCI 701e8635b48SDavid Daney select ARCH_SUPPORTS_MSI 702f00e001eSDavid Daney select ZONE_DMA32 703340fbb8bSDavid Daney select USB_ARCH_HAS_OHCI 704340fbb8bSDavid Daney select USB_ARCH_HAS_EHCI 705a86c7f72SDavid Daney help 706a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 707a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 708a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 709a86c7f72SDavid Daney Some of the supported boards are: 710a86c7f72SDavid Daney EBT3000 711a86c7f72SDavid Daney EBH3000 712a86c7f72SDavid Daney EBH3100 713a86c7f72SDavid Daney Thunder 714a86c7f72SDavid Daney Kodama 715a86c7f72SDavid Daney Hikari 716a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 717a86c7f72SDavid Daney 7181da177e4SLinus Torvaldsendchoice 7191da177e4SLinus Torvalds 720e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 721e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 7225e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 7235ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 7241f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 7255e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 726a3a0f8c8SDavid VomLehnsource "arch/mips/powertv/Kconfig" 72729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 72838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 72922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 7305e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 731a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 73285749d24SWu Zhangjinsource "arch/mips/loongson/Kconfig" 73338b18f72SRalf Baechle 7345e83d430SRalf Baechleendmenu 7355e83d430SRalf Baechle 7361da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 7371da177e4SLinus Torvalds bool 7381da177e4SLinus Torvalds default y 7391da177e4SLinus Torvalds 7401da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 7411da177e4SLinus Torvalds bool 7421da177e4SLinus Torvalds 743f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 744f0d1b0b3SDavid Howells bool 745f0d1b0b3SDavid Howells default n 746f0d1b0b3SDavid Howells 747f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 748f0d1b0b3SDavid Howells bool 749f0d1b0b3SDavid Howells default n 750f0d1b0b3SDavid Howells 75100a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 75200a58253SRalf Baechle bool 75300a58253SRalf Baechle default y if !MIPS_MT_SMTC 75400a58253SRalf Baechle 7553c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 7563c9ee7efSAkinobu Mita bool 7573c9ee7efSAkinobu Mita default y 7583c9ee7efSAkinobu Mita 7593c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 7603c9ee7efSAkinobu Mita bool 7613c9ee7efSAkinobu Mita default y 7623c9ee7efSAkinobu Mita 7631da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7641da177e4SLinus Torvalds bool 7651da177e4SLinus Torvalds default y 7661da177e4SLinus Torvalds 7677bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7687bcf7717SRalf Baechle bool 7697bcf7717SRalf Baechle default y 7707bcf7717SRalf Baechle 771f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 772f5ff0a28SRalf Baechle bool 773f5ff0a28SRalf Baechle default y 774f5ff0a28SRalf Baechle 775ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 7761cc89038SAtsushi Nemoto bool 7771cc89038SAtsushi Nemoto default y 7781cc89038SAtsushi Nemoto 779e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 780c87e0909SRalf Baechle def_bool y 781e77c232cSFranck Bui-Huu 7821da177e4SLinus Torvalds# 7831da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7841da177e4SLinus Torvalds# 7851da177e4SLinus Torvaldsconfig ARC 7861da177e4SLinus Torvalds bool 7871da177e4SLinus Torvalds 78861ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 78961ed242dSRalf Baechle bool 79061ed242dSRalf Baechle 7919267a30dSMarc St-Jeanconfig BOOT_RAW 7929267a30dSMarc St-Jean bool 7939267a30dSMarc St-Jean 794217dd11eSRalf Baechleconfig CEVT_BCM1480 795217dd11eSRalf Baechle bool 796217dd11eSRalf Baechle 7976457d9fcSYoichi Yuasaconfig CEVT_DS1287 7986457d9fcSYoichi Yuasa bool 7996457d9fcSYoichi Yuasa 8001097c6acSYoichi Yuasaconfig CEVT_GT641XX 8011097c6acSYoichi Yuasa bool 8021097c6acSYoichi Yuasa 803779e7d41SManuel Laussconfig CEVT_R4K_LIB 804779e7d41SManuel Lauss bool 805779e7d41SManuel Lauss 80642f77542SRalf Baechleconfig CEVT_R4K 807779e7d41SManuel Lauss select CEVT_R4K_LIB 80842f77542SRalf Baechle bool 80942f77542SRalf Baechle 810217dd11eSRalf Baechleconfig CEVT_SB1250 811217dd11eSRalf Baechle bool 812217dd11eSRalf Baechle 813229f773eSAtsushi Nemotoconfig CEVT_TXX9 814229f773eSAtsushi Nemoto bool 815229f773eSAtsushi Nemoto 816217dd11eSRalf Baechleconfig CSRC_BCM1480 817217dd11eSRalf Baechle bool 818217dd11eSRalf Baechle 8194247417dSYoichi Yuasaconfig CSRC_IOASIC 8204247417dSYoichi Yuasa bool 8214247417dSYoichi Yuasa 822a3a0f8c8SDavid VomLehnconfig CSRC_POWERTV 823a3a0f8c8SDavid VomLehn bool 824a3a0f8c8SDavid VomLehn 825779e7d41SManuel Laussconfig CSRC_R4K_LIB 826779e7d41SManuel Lauss bool 827779e7d41SManuel Lauss 828940f6b48SRalf Baechleconfig CSRC_R4K 829779e7d41SManuel Lauss select CSRC_R4K_LIB 830940f6b48SRalf Baechle bool 831940f6b48SRalf Baechle 832217dd11eSRalf Baechleconfig CSRC_SB1250 833217dd11eSRalf Baechle bool 834217dd11eSRalf Baechle 835a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 836a9aec7feSAtsushi Nemoto select GENERIC_GPIO 8377444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 838a9aec7feSAtsushi Nemoto bool 839a9aec7feSAtsushi Nemoto 840df78b5c8SAurelien Jarnoconfig CFE 841df78b5c8SAurelien Jarno bool 842df78b5c8SAurelien Jarno 8431da177e4SLinus Torvaldsconfig DMA_COHERENT 8441da177e4SLinus Torvalds bool 8451da177e4SLinus Torvalds 8461da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 8471da177e4SLinus Torvalds bool 848e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 8494ce588cdSRalf Baechle 850e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 8514ce588cdSRalf Baechle bool 8521da177e4SLinus Torvalds 85336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 8541da177e4SLinus Torvalds bool 8551da177e4SLinus Torvalds 856dbb74540SRalf Baechleconfig HOTPLUG_CPU 8571b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 8581b2bc75cSRalf Baechle depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU 8591b2bc75cSRalf Baechle help 8601b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 8611b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 8621b2bc75cSRalf Baechle (Note: power management support will enable this option 8631b2bc75cSRalf Baechle automatically on SMP systems. ) 8641b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 8651b2bc75cSRalf Baechle 8661b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 867dbb74540SRalf Baechle bool 868dbb74540SRalf Baechle 8691da177e4SLinus Torvaldsconfig I8259 8701da177e4SLinus Torvalds bool 8711da177e4SLinus Torvalds 8721da177e4SLinus Torvaldsconfig MIPS_BONITO64 8731da177e4SLinus Torvalds bool 8741da177e4SLinus Torvalds 8751da177e4SLinus Torvaldsconfig MIPS_MSC 8761da177e4SLinus Torvalds bool 8771da177e4SLinus Torvalds 8781f21d2bdSBrian Murphyconfig MIPS_NILE4 8791f21d2bdSBrian Murphy bool 8801f21d2bdSBrian Murphy 8811da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8821da177e4SLinus Torvalds bool 8831da177e4SLinus Torvalds 88439b8d525SRalf Baechleconfig SYNC_R4K 88539b8d525SRalf Baechle bool 88639b8d525SRalf Baechle 887487d70d0SGabor Juhosconfig MIPS_MACHINE 888487d70d0SGabor Juhos def_bool n 889487d70d0SGabor Juhos 890d388d685SMaciej W. Rozyckiconfig NO_IOPORT 891d388d685SMaciej W. Rozycki def_bool n 892d388d685SMaciej W. Rozycki 8938313da30SRalf Baechleconfig GENERIC_ISA_DMA 8948313da30SRalf Baechle bool 8958313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 896a35bee8aSNamhyung Kim select ISA_DMA_API 8978313da30SRalf Baechle 898aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 899aa414dffSRalf Baechle bool 9008313da30SRalf Baechle select GENERIC_ISA_DMA 901aa414dffSRalf Baechle 902a35bee8aSNamhyung Kimconfig ISA_DMA_API 903a35bee8aSNamhyung Kim bool 904a35bee8aSNamhyung Kim 90509663335SYoichi Yuasaconfig GENERIC_GPIO 90609663335SYoichi Yuasa bool 90709663335SYoichi Yuasa 9085e83d430SRalf Baechle# 9093cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 9105e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 9115e83d430SRalf Baechle# choice statement should be more obvious to the user. 9125e83d430SRalf Baechle# 9135e83d430SRalf Baechlechoice 9145e83d430SRalf Baechle prompt "Endianess selection" 9151da177e4SLinus Torvalds help 9161da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 9175e83d430SRalf Baechle byte order. These modes require different kernels and a different 9183cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 9195e83d430SRalf Baechle particular system but some systems are just as commonly used in the 9203dde6ad8SDavid Sterba one or the other endianness. 9215e83d430SRalf Baechle 9225e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 9235e83d430SRalf Baechle bool "Big endian" 9245e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 9255e83d430SRalf Baechle 9265e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 9275e83d430SRalf Baechle bool "Little endian" 9285e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 9295e83d430SRalf Baechle help 9305e83d430SRalf Baechle 9315e83d430SRalf Baechleendchoice 9325e83d430SRalf Baechle 93322b0763aSDavid Daneyconfig EXPORT_UASM 93422b0763aSDavid Daney bool 93522b0763aSDavid Daney 9362116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 9372116245eSRalf Baechle bool 9382116245eSRalf Baechle 9395e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 9405e83d430SRalf Baechle bool 9415e83d430SRalf Baechle 9425e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 9435e83d430SRalf Baechle bool 9441da177e4SLinus Torvalds 9459cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 9469cffd154SDavid Daney bool 9479cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 9489cffd154SDavid Daney default y 9499cffd154SDavid Daney 9501da177e4SLinus Torvaldsconfig IRQ_CPU 9511da177e4SLinus Torvalds bool 9521da177e4SLinus Torvalds 9531da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 9541da177e4SLinus Torvalds bool 9551da177e4SLinus Torvalds 9565e83d430SRalf Baechleconfig IRQ_CPU_RM9K 9575e83d430SRalf Baechle bool 9585e83d430SRalf Baechle 9599267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 9609267a30dSMarc St-Jean bool 9619267a30dSMarc St-Jean 9629267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9639267a30dSMarc St-Jean bool 9649267a30dSMarc St-Jean 9658420fd00SAtsushi Nemotoconfig IRQ_TXX9 9668420fd00SAtsushi Nemoto bool 9678420fd00SAtsushi Nemoto 968d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 969d5ab1a69SYoichi Yuasa bool 970d5ab1a69SYoichi Yuasa 97139b8d525SRalf Baechleconfig IRQ_GIC 97239b8d525SRalf Baechle bool 97339b8d525SRalf Baechle 974a86c7f72SDavid Daneyconfig IRQ_CPU_OCTEON 975a86c7f72SDavid Daney bool 976a86c7f72SDavid Daney 9771da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9781da177e4SLinus Torvalds bool 9791da177e4SLinus Torvalds 980252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9811da177e4SLinus Torvalds bool 9821da177e4SLinus Torvalds 9839267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9849267a30dSMarc St-Jean bool 9859267a30dSMarc St-Jean 986663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 987663c3d90Sthomas@koeller.dyndns.org bool 988663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 989663c3d90Sthomas@koeller.dyndns.org 990a83860c2SRalf Baechleconfig SOC_EMMA2RH 991a83860c2SRalf Baechle bool 992a83860c2SRalf Baechle select CEVT_R4K 993a83860c2SRalf Baechle select CSRC_R4K 994a83860c2SRalf Baechle select DMA_NONCOHERENT 995a83860c2SRalf Baechle select IRQ_CPU 996a83860c2SRalf Baechle select SWAP_IO_SPACE 997a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 998a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 999a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1000a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1001a83860c2SRalf Baechle 1002edb6310aSDaniel Lairdconfig SOC_PNX833X 1003edb6310aSDaniel Laird bool 1004edb6310aSDaniel Laird select CEVT_R4K 1005edb6310aSDaniel Laird select CSRC_R4K 1006edb6310aSDaniel Laird select IRQ_CPU 1007edb6310aSDaniel Laird select DMA_NONCOHERENT 1008edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1009edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1010edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1011edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1012edb6310aSDaniel Laird select GENERIC_GPIO 1013edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1014edb6310aSDaniel Laird 1015edb6310aSDaniel Lairdconfig SOC_PNX8335 1016edb6310aSDaniel Laird bool 1017edb6310aSDaniel Laird select SOC_PNX833X 1018edb6310aSDaniel Laird 1019bdf21b18SPete Popovconfig PNX8550 1020bdf21b18SPete Popov bool 1021bdf21b18SPete Popov select SOC_PNX8550 1022bdf21b18SPete Popov 1023bdf21b18SPete Popovconfig SOC_PNX8550 1024bdf21b18SPete Popov bool 1025bdf21b18SPete Popov select DMA_NONCOHERENT 1026bdf21b18SPete Popov select HW_HAS_PCI 1027b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 102836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 10297cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 10304ead1681SFlorian Fainelli select GENERIC_GPIO 1031bdf21b18SPete Popov 10321da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 10331da177e4SLinus Torvalds bool 10341da177e4SLinus Torvalds 1035663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 1036663c3d90Sthomas@koeller.dyndns.org bool 1037663c3d90Sthomas@koeller.dyndns.org 1038e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1039e2defae5SThomas Bogendoerfer bool 1040e2defae5SThomas Bogendoerfer 10415b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 10425b438c44SThomas Bogendoerfer bool 10435b438c44SThomas Bogendoerfer 1044e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1045e2defae5SThomas Bogendoerfer bool 1046e2defae5SThomas Bogendoerfer 1047e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1048e2defae5SThomas Bogendoerfer bool 1049e2defae5SThomas Bogendoerfer 1050e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1051e2defae5SThomas Bogendoerfer bool 1052e2defae5SThomas Bogendoerfer 1053e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1054e2defae5SThomas Bogendoerfer bool 1055e2defae5SThomas Bogendoerfer 1056e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1057e2defae5SThomas Bogendoerfer bool 1058e2defae5SThomas Bogendoerfer 10595e83d430SRalf Baechleconfig ARC32 10605e83d430SRalf Baechle bool 10615e83d430SRalf Baechle 1062231a35d3SThomas Bogendoerferconfig SNIPROM 1063231a35d3SThomas Bogendoerfer bool 1064231a35d3SThomas Bogendoerfer 10651da177e4SLinus Torvaldsconfig BOOT_ELF32 10661da177e4SLinus Torvalds bool 10671da177e4SLinus Torvalds 10681da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 10691da177e4SLinus Torvalds int 1070c7088755SRalf Baechle default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL 10710db2b74eSRalf Baechle default "6" if MIPS_CPU_SCACHE 1072a86c7f72SDavid Daney default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 10731da177e4SLinus Torvalds default "5" 10741da177e4SLinus Torvalds 10751da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 10761da177e4SLinus Torvalds bool 10771da177e4SLinus Torvalds 10781da177e4SLinus Torvaldsconfig ARC_CONSOLE 10791da177e4SLinus Torvalds bool "ARC console support" 1080e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 10811da177e4SLinus Torvalds 10821da177e4SLinus Torvaldsconfig ARC_MEMORY 10831da177e4SLinus Torvalds bool 108414b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10851da177e4SLinus Torvalds default y 10861da177e4SLinus Torvalds 10871da177e4SLinus Torvaldsconfig ARC_PROMLIB 10881da177e4SLinus Torvalds bool 1089e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10901da177e4SLinus Torvalds default y 10911da177e4SLinus Torvalds 10921da177e4SLinus Torvaldsconfig ARC64 10931da177e4SLinus Torvalds bool 10941da177e4SLinus Torvalds 10951da177e4SLinus Torvaldsconfig BOOT_ELF64 10961da177e4SLinus Torvalds bool 10971da177e4SLinus Torvalds 10981da177e4SLinus Torvaldsmenu "CPU selection" 10991da177e4SLinus Torvalds 11001da177e4SLinus Torvaldschoice 11011da177e4SLinus Torvalds prompt "CPU type" 11021da177e4SLinus Torvalds default CPU_R4X00 11031da177e4SLinus Torvalds 11043702bba5SWu Zhangjinconfig CPU_LOONGSON2E 11053702bba5SWu Zhangjin bool "Loongson 2E" 11063702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 11073702bba5SWu Zhangjin select CPU_LOONGSON2 11082a21c730SFuxin Zhang help 11092a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 11102a21c730SFuxin Zhang with many extensions. 11112a21c730SFuxin Zhang 11126f7a251aSWu Zhangjin It has an internal FPGA northbridge, which is compatiable to 11136f7a251aSWu Zhangjin bonito64. 11146f7a251aSWu Zhangjin 11156f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 11166f7a251aSWu Zhangjin bool "Loongson 2F" 11176f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 11186f7a251aSWu Zhangjin select CPU_LOONGSON2 1119c197da91SArnaud Patard select GENERIC_GPIO 1120c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 11216f7a251aSWu Zhangjin help 11226f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 11236f7a251aSWu Zhangjin with many extensions. 11246f7a251aSWu Zhangjin 11256f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 11266f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 11276f7a251aSWu Zhangjin Loongson2E. 11286f7a251aSWu Zhangjin 11296e760c8dSRalf Baechleconfig CPU_MIPS32_R1 11306e760c8dSRalf Baechle bool "MIPS32 Release 1" 11317cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 11326e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1133797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1134ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11356e760c8dSRalf Baechle help 11365e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 11371e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 11381e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 11391e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11401e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 11411e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 11421e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 11431e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 11441e5f1caaSRalf Baechle performance. 11451e5f1caaSRalf Baechle 11461e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 11471e5f1caaSRalf Baechle bool "MIPS32 Release 2" 11487cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 11491e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1150797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1151ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11521e5f1caaSRalf Baechle help 11535e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 11546e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 11556e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 11566e760c8dSRalf Baechle specific type of processor in your system, choose those that one 11576e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 11581da177e4SLinus Torvalds 11596e760c8dSRalf Baechleconfig CPU_MIPS64_R1 11606e760c8dSRalf Baechle bool "MIPS64 Release 1" 11617cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1162797798c1SRalf Baechle select CPU_HAS_PREFETCH 1163ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1164ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1165ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11669cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 11676e760c8dSRalf Baechle help 11686e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 11696e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11706e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11716e760c8dSRalf Baechle specific type of processor in your system, choose those that one 11726e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11731e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 11741e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 11751e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 11761e5f1caaSRalf Baechle performance. 11771e5f1caaSRalf Baechle 11781e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 11791e5f1caaSRalf Baechle bool "MIPS64 Release 2" 11807cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1181797798c1SRalf Baechle select CPU_HAS_PREFETCH 11821e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11831e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1184ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11859cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 11861e5f1caaSRalf Baechle help 11871e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 11881e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11891e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11901e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11911e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11921da177e4SLinus Torvalds 11931da177e4SLinus Torvaldsconfig CPU_R3000 11941da177e4SLinus Torvalds bool "R3000" 11957cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1196f7062ddbSRalf Baechle select CPU_HAS_WB 1197ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1198797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11991da177e4SLinus Torvalds help 12001da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 12011da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 12021da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 12031da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 12041da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 12051da177e4SLinus Torvalds try to recompile with R3000. 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvaldsconfig CPU_TX39XX 12081da177e4SLinus Torvalds bool "R39XX" 12097cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1210ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 12111da177e4SLinus Torvalds 12121da177e4SLinus Torvaldsconfig CPU_VR41XX 12131da177e4SLinus Torvalds bool "R41xx" 12147cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1215ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1216ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12171da177e4SLinus Torvalds help 12185e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 12191da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 12201da177e4SLinus Torvalds kernel built with this option will not run on any other type of 12211da177e4SLinus Torvalds processor or vice versa. 12221da177e4SLinus Torvalds 12231da177e4SLinus Torvaldsconfig CPU_R4300 12241da177e4SLinus Torvalds bool "R4300" 12257cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1226ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1227ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12281da177e4SLinus Torvalds help 12291da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 12301da177e4SLinus Torvalds 12311da177e4SLinus Torvaldsconfig CPU_R4X00 12321da177e4SLinus Torvalds bool "R4x00" 12337cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1234ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1235ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12361da177e4SLinus Torvalds help 12371da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 12381da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 12391da177e4SLinus Torvalds 12401da177e4SLinus Torvaldsconfig CPU_TX49XX 12411da177e4SLinus Torvalds bool "R49XX" 12427cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1243de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1244ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1245ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12461da177e4SLinus Torvalds 12471da177e4SLinus Torvaldsconfig CPU_R5000 12481da177e4SLinus Torvalds bool "R5000" 12497cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1250ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1251ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12521da177e4SLinus Torvalds help 12531da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 12541da177e4SLinus Torvalds 12551da177e4SLinus Torvaldsconfig CPU_R5432 12561da177e4SLinus Torvalds bool "R5432" 12577cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 12585e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 12595e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 12601da177e4SLinus Torvalds 1261542c1020SShinya Kuribayashiconfig CPU_R5500 1262542c1020SShinya Kuribayashi bool "R5500" 1263542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1264542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1265542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 12669cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1267542c1020SShinya Kuribayashi help 1268542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1269542c1020SShinya Kuribayashi instruction set. 1270542c1020SShinya Kuribayashi 12711da177e4SLinus Torvaldsconfig CPU_R6000 12721da177e4SLinus Torvalds bool "R6000" 1273ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12747cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1275ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 12761da177e4SLinus Torvalds help 12771da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1278c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 12791da177e4SLinus Torvalds 12801da177e4SLinus Torvaldsconfig CPU_NEVADA 12811da177e4SLinus Torvalds bool "RM52xx" 12827cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1283ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1284ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12851da177e4SLinus Torvalds help 12861da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 12871da177e4SLinus Torvalds 12881da177e4SLinus Torvaldsconfig CPU_R8000 12891da177e4SLinus Torvalds bool "R8000" 1290ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12917cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 12925e83d430SRalf Baechle select CPU_HAS_PREFETCH 1293ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12941da177e4SLinus Torvalds help 12951da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12961da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12971da177e4SLinus Torvalds 12981da177e4SLinus Torvaldsconfig CPU_R10000 12991da177e4SLinus Torvalds bool "R10000" 13007cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 13015e83d430SRalf Baechle select CPU_HAS_PREFETCH 1302ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1303ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1304797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13051da177e4SLinus Torvalds help 13061da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 13071da177e4SLinus Torvalds 13081da177e4SLinus Torvaldsconfig CPU_RM7000 13091da177e4SLinus Torvalds bool "RM7000" 13107cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 13115e83d430SRalf Baechle select CPU_HAS_PREFETCH 1312ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1313ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1314797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13151da177e4SLinus Torvalds 13161da177e4SLinus Torvaldsconfig CPU_RM9000 13171da177e4SLinus Torvalds bool "RM9000" 13187cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 13195e83d430SRalf Baechle select CPU_HAS_PREFETCH 1320ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1321ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1322797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13230004a9dfSRalf Baechle select WEAK_ORDERING 13241da177e4SLinus Torvalds 13251da177e4SLinus Torvaldsconfig CPU_SB1 13261da177e4SLinus Torvalds bool "SB1" 13277cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1328ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1329ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1330797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13310004a9dfSRalf Baechle select WEAK_ORDERING 13321da177e4SLinus Torvalds 1333a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1334a86c7f72SDavid Daney bool "Cavium Octeon processor" 13355e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1336a86c7f72SDavid Daney select IRQ_CPU 1337a86c7f72SDavid Daney select IRQ_CPU_OCTEON 1338a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1339a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1340a86c7f72SDavid Daney select SYS_SUPPORTS_SMP 1341a86c7f72SDavid Daney select NR_CPUS_DEFAULT_16 1342a86c7f72SDavid Daney select WEAK_ORDERING 1343a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 13449cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1345a86c7f72SDavid Daney help 1346a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1347a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1348a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1349a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1350a86c7f72SDavid Daney 1351c1c0c461SKevin Cernekeeconfig CPU_BMIPS3300 1352c1c0c461SKevin Cernekee bool "BMIPS3300" 1353c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS3300 1354c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1355c1c0c461SKevin Cernekee select IRQ_CPU 1356c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1357c1c0c461SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 1358c1c0c461SKevin Cernekee select WEAK_ORDERING 1359c1c0c461SKevin Cernekee help 1360c1c0c461SKevin Cernekee Broadcom BMIPS3300 processors. 1361c1c0c461SKevin Cernekee 1362c1c0c461SKevin Cernekeeconfig CPU_BMIPS4350 1363c1c0c461SKevin Cernekee bool "BMIPS4350" 1364c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS4350 1365c1c0c461SKevin Cernekee select CPU_SUPPORTS_32BIT_KERNEL 1366c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1367c1c0c461SKevin Cernekee select IRQ_CPU 1368c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1369c1c0c461SKevin Cernekee select SYS_SUPPORTS_SMP 1370c1c0c461SKevin Cernekee select SYS_SUPPORTS_HOTPLUG_CPU 1371c1c0c461SKevin Cernekee select WEAK_ORDERING 1372c1c0c461SKevin Cernekee help 1373c1c0c461SKevin Cernekee Broadcom BMIPS4350 ("VIPER") processors. 1374c1c0c461SKevin Cernekee 1375c1c0c461SKevin Cernekeeconfig CPU_BMIPS4380 1376c1c0c461SKevin Cernekee bool "BMIPS4380" 1377c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS4380 1378c1c0c461SKevin Cernekee select CPU_SUPPORTS_32BIT_KERNEL 1379c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1380c1c0c461SKevin Cernekee select IRQ_CPU 1381c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1382c1c0c461SKevin Cernekee select SYS_SUPPORTS_SMP 1383c1c0c461SKevin Cernekee select SYS_SUPPORTS_HOTPLUG_CPU 1384c1c0c461SKevin Cernekee select WEAK_ORDERING 1385c1c0c461SKevin Cernekee help 1386c1c0c461SKevin Cernekee Broadcom BMIPS4380 processors. 1387c1c0c461SKevin Cernekee 1388c1c0c461SKevin Cernekeeconfig CPU_BMIPS5000 1389c1c0c461SKevin Cernekee bool "BMIPS5000" 1390c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS5000 1391c1c0c461SKevin Cernekee select CPU_SUPPORTS_32BIT_KERNEL 1392c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 1393c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1394c1c0c461SKevin Cernekee select IRQ_CPU 1395c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1396c1c0c461SKevin Cernekee select SYS_SUPPORTS_SMP 1397c1c0c461SKevin Cernekee select SYS_SUPPORTS_HOTPLUG_CPU 1398c1c0c461SKevin Cernekee select WEAK_ORDERING 1399c1c0c461SKevin Cernekee help 1400c1c0c461SKevin Cernekee Broadcom BMIPS5000 processors. 1401c1c0c461SKevin Cernekee 14021da177e4SLinus Torvaldsendchoice 14031da177e4SLinus Torvalds 1404622844bfSWu Zhangjinif CPU_LOONGSON2F 1405622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1406622844bfSWu Zhangjin bool 1407622844bfSWu Zhangjin 1408622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1409622844bfSWu Zhangjin bool 1410622844bfSWu Zhangjin 1411622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1412622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1413622844bfSWu Zhangjin default y 1414622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1415622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1416622844bfSWu Zhangjin help 1417622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1418622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1419622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1420622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1421622844bfSWu Zhangjin 1422622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1423622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1424622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1425622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1426622844bfSWu Zhangjin systems. 1427622844bfSWu Zhangjin 1428622844bfSWu Zhangjin If unsure, please say Y. 1429622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1430622844bfSWu Zhangjin 14311b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 14321b93b3c3SWu Zhangjin bool 14331b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 14341b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 14351b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1436fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 14371b93b3c3SWu Zhangjin 14381b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 14391b93b3c3SWu Zhangjin bool 14401b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 14411b93b3c3SWu Zhangjin 14423702bba5SWu Zhangjinconfig CPU_LOONGSON2 14433702bba5SWu Zhangjin bool 14443702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 14453702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 14463702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 14473702bba5SWu Zhangjin 14483702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 14492a21c730SFuxin Zhang bool 14502a21c730SFuxin Zhang 14516f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 14526f7a251aSWu Zhangjin bool 145355045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 145455045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 145522f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 14566f7a251aSWu Zhangjin 14577cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 14587cf8053bSRalf Baechle bool 14597cf8053bSRalf Baechle 14607cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 14617cf8053bSRalf Baechle bool 14627cf8053bSRalf Baechle 14637cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 14647cf8053bSRalf Baechle bool 14657cf8053bSRalf Baechle 14667cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 14677cf8053bSRalf Baechle bool 14687cf8053bSRalf Baechle 14697cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 14707cf8053bSRalf Baechle bool 14717cf8053bSRalf Baechle 14727cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 14737cf8053bSRalf Baechle bool 14747cf8053bSRalf Baechle 14757cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 14767cf8053bSRalf Baechle bool 14777cf8053bSRalf Baechle 14787cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 14797cf8053bSRalf Baechle bool 14807cf8053bSRalf Baechle 14817cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 14827cf8053bSRalf Baechle bool 14837cf8053bSRalf Baechle 14847cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 14857cf8053bSRalf Baechle bool 14867cf8053bSRalf Baechle 14877cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 14887cf8053bSRalf Baechle bool 14897cf8053bSRalf Baechle 14907cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 14917cf8053bSRalf Baechle bool 14927cf8053bSRalf Baechle 1493542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1494542c1020SShinya Kuribayashi bool 1495542c1020SShinya Kuribayashi 14967cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 14977cf8053bSRalf Baechle bool 14987cf8053bSRalf Baechle 14997cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 15007cf8053bSRalf Baechle bool 15017cf8053bSRalf Baechle 15027cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 15037cf8053bSRalf Baechle bool 15047cf8053bSRalf Baechle 15057cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 15067cf8053bSRalf Baechle bool 15077cf8053bSRalf Baechle 15087cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 15097cf8053bSRalf Baechle bool 15107cf8053bSRalf Baechle 15117cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 15127cf8053bSRalf Baechle bool 15137cf8053bSRalf Baechle 15147cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 15157cf8053bSRalf Baechle bool 15167cf8053bSRalf Baechle 15175e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 15185e683389SDavid Daney bool 15195e683389SDavid Daney 1520c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS3300 1521c1c0c461SKevin Cernekee bool 1522c1c0c461SKevin Cernekee 1523c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1524c1c0c461SKevin Cernekee bool 1525c1c0c461SKevin Cernekee 1526c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1527c1c0c461SKevin Cernekee bool 1528c1c0c461SKevin Cernekee 1529c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1530c1c0c461SKevin Cernekee bool 1531c1c0c461SKevin Cernekee 153217099b11SRalf Baechle# 153317099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 153417099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 153517099b11SRalf Baechle# 15360004a9dfSRalf Baechleconfig WEAK_ORDERING 15370004a9dfSRalf Baechle bool 153817099b11SRalf Baechle 153917099b11SRalf Baechle# 154017099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 154117099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 154217099b11SRalf Baechle# 154317099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 154417099b11SRalf Baechle bool 15455e83d430SRalf Baechleendmenu 15465e83d430SRalf Baechle 15475e83d430SRalf Baechle# 15485e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 15495e83d430SRalf Baechle# 15505e83d430SRalf Baechleconfig CPU_MIPS32 15515e83d430SRalf Baechle bool 15525e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 15535e83d430SRalf Baechle 15545e83d430SRalf Baechleconfig CPU_MIPS64 15555e83d430SRalf Baechle bool 15565e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 15575e83d430SRalf Baechle 15585e83d430SRalf Baechle# 1559c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 15605e83d430SRalf Baechle# 15615e83d430SRalf Baechleconfig CPU_MIPSR1 15625e83d430SRalf Baechle bool 15635e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 15645e83d430SRalf Baechle 15655e83d430SRalf Baechleconfig CPU_MIPSR2 15665e83d430SRalf Baechle bool 1567a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 15685e83d430SRalf Baechle 15695e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 15705e83d430SRalf Baechle bool 15715e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 15725e83d430SRalf Baechle bool 15735e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 15745e83d430SRalf Baechle bool 15755e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 15765e83d430SRalf Baechle bool 157755045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 157855045ff5SWu Zhangjin bool 157955045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 158055045ff5SWu Zhangjin bool 15819cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 15829cffd154SDavid Daney bool 158322f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 158422f1fdfdSWu Zhangjin bool 158582622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 158682622284SDavid Daney bool 158782622284SDavid Daney default y if 64BIT && CPU_MIPSR2 15885e83d430SRalf Baechle 15898192c9eaSDavid Daney# 15908192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 15918192c9eaSDavid Daney# 15928192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 15938192c9eaSDavid Daney bool 1594f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 15958192c9eaSDavid Daney 15965e83d430SRalf Baechlemenu "Kernel type" 15975e83d430SRalf Baechle 15985e83d430SRalf Baechlechoice 15995e83d430SRalf Baechle 16005e83d430SRalf Baechle prompt "Kernel code model" 16015e83d430SRalf Baechle help 16025e83d430SRalf Baechle You should only select this option if you have a workload that 16035e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 16045e83d430SRalf Baechle large memory. You will only be presented a single option in this 16055e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 16065e83d430SRalf Baechle 16075e83d430SRalf Baechleconfig 32BIT 16085e83d430SRalf Baechle bool "32-bit kernel" 16095e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 16105e83d430SRalf Baechle select TRAD_SIGNALS 16115e83d430SRalf Baechle help 16125e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 16135e83d430SRalf Baechleconfig 64BIT 16145e83d430SRalf Baechle bool "64-bit kernel" 16155e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1616dbda6ac0SRalf Baechle select HAVE_SYSCALL_WRAPPERS 16175e83d430SRalf Baechle help 16185e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 16195e83d430SRalf Baechle 16205e83d430SRalf Baechleendchoice 16215e83d430SRalf Baechle 16221da177e4SLinus Torvaldschoice 16231da177e4SLinus Torvalds prompt "Kernel page size" 16241da177e4SLinus Torvalds default PAGE_SIZE_4KB 16251da177e4SLinus Torvalds 16261da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 16271da177e4SLinus Torvalds bool "4kB" 1628315fe625SWu Zhangjin depends on !CPU_LOONGSON2 16291da177e4SLinus Torvalds help 16301da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 16311da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 16321da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 16331da177e4SLinus Torvalds recommended for low memory systems. 16341da177e4SLinus Torvalds 16351da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 16361da177e4SLinus Torvalds bool "8kB" 1637c52399beSRalf Baechle depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 16381da177e4SLinus Torvalds help 16391da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 16401da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1641c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1642c52399beSRalf Baechle suitable Linux distribution to support this. 16431da177e4SLinus Torvalds 16441da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 16451da177e4SLinus Torvalds bool "16kB" 1646714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 16471da177e4SLinus Torvalds help 16481da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 16491da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1650714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1651714bfad6SRalf Baechle Linux distribution to support this. 16521da177e4SLinus Torvalds 1653c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1654c52399beSRalf Baechle bool "32kB" 1655c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1656c52399beSRalf Baechle help 1657c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1658c52399beSRalf Baechle the price of higher memory consumption. This option is available 1659c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1660c52399beSRalf Baechle distribution to support this. 1661c52399beSRalf Baechle 16621da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 16631da177e4SLinus Torvalds bool "64kB" 16641da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 16651da177e4SLinus Torvalds help 16661da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 16671da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 16681da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1669714bfad6SRalf Baechle writing this option is still high experimental. 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvaldsendchoice 16721da177e4SLinus Torvalds 1673c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 1674c9bace7cSDavid Daney int "Maximum zone order" 1675c9bace7cSDavid Daney range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB 1676c9bace7cSDavid Daney default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB 1677c9bace7cSDavid Daney range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB 1678c9bace7cSDavid Daney default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB 1679c9bace7cSDavid Daney range 11 64 1680c9bace7cSDavid Daney default "11" 1681c9bace7cSDavid Daney help 1682c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 1683c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 1684c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 1685c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 1686c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 1687c9bace7cSDavid Daney increase this value. 1688c9bace7cSDavid Daney 1689c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 1690c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 1691c9bace7cSDavid Daney 1692c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 1693c9bace7cSDavid Daney when choosing a value for this option. 1694c9bace7cSDavid Daney 16951da177e4SLinus Torvaldsconfig BOARD_SCACHE 16961da177e4SLinus Torvalds bool 16971da177e4SLinus Torvalds 16981da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 16991da177e4SLinus Torvalds bool 17001da177e4SLinus Torvalds select BOARD_SCACHE 17011da177e4SLinus Torvalds 17029318c51aSChris Dearman# 17039318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 17049318c51aSChris Dearman# 17059318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 17069318c51aSChris Dearman bool 17079318c51aSChris Dearman select BOARD_SCACHE 17089318c51aSChris Dearman 17091da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 17101da177e4SLinus Torvalds bool 17111da177e4SLinus Torvalds select BOARD_SCACHE 17121da177e4SLinus Torvalds 17131da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 17141da177e4SLinus Torvalds bool 17151da177e4SLinus Torvalds select BOARD_SCACHE 17161da177e4SLinus Torvalds 17171da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 17181da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 17191da177e4SLinus Torvalds depends on CPU_SB1 17201da177e4SLinus Torvalds help 17211da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 17221da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 17231da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 17241da177e4SLinus Torvalds 17251da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1726c8094b53SRalf Baechle bool 17271da177e4SLinus Torvalds 1728340ee4b9SRalf Baechlechoice 1729340ee4b9SRalf Baechle prompt "MIPS MT options" 1730f41ae0b2SRalf Baechle 1731f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1732f41ae0b2SRalf Baechle bool "Disable multithreading support." 1733f41ae0b2SRalf Baechle help 1734f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1735f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1736f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1737f41ae0b2SRalf Baechle option in this menu. 1738340ee4b9SRalf Baechle 173959d6ab86SRalf Baechleconfig MIPS_MT_SMP 174059d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 174159d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 174259d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1743d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 174459d6ab86SRalf Baechle select MIPS_MT 1745f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 174659d6ab86SRalf Baechle select SMP 17470ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 174859d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 174987353d8aSRalf Baechle select SMP_UP 175059d6ab86SRalf Baechle help 175125f12b33SRalf Baechle This is a kernel model which is known a VSMP but lately has been 175225f12b33SRalf Baechle marketesed into SMVP. 175325f12b33SRalf Baechle Virtual SMP uses the processor's VPEs to implement virtual 175425f12b33SRalf Baechle processors. In currently available configuration of the 34K processor 175525f12b33SRalf Baechle this allows for a dual processor. Both processors will share the same 175625f12b33SRalf Baechle primary caches; each will obtain the half of the TLB for it's own 175725f12b33SRalf Baechle exclusive use. For a layman this model can be described as similar to 175825f12b33SRalf Baechle what Intel calls Hyperthreading. 175925f12b33SRalf Baechle 176025f12b33SRalf Baechle For further information see http://www.linux-mips.org/wiki/34K#VSMP 176159d6ab86SRalf Baechle 176241c594abSRalf Baechleconfig MIPS_MT_SMTC 176341c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1764f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1765f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1766f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1767f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1768d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1769f41ae0b2SRalf Baechle select MIPS_MT 1770130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 177141c594abSRalf Baechle select SMP 177273b76c78SRalf Baechle select SYS_SUPPORTS_SMP 177387353d8aSRalf Baechle select SMP_UP 1774f41ae0b2SRalf Baechle help 1775f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1776f41ae0b2SRalf Baechle marketesed into SMVP. 177725f12b33SRalf Baechle is presenting the available TC's of the core as processors to Linux. 177825f12b33SRalf Baechle On currently available 34K processors this means a Linux system will 177925f12b33SRalf Baechle see up to 5 processors. The implementation of the SMTC kernel differs 178025f12b33SRalf Baechle significantly from VSMP and cannot efficiently coexist in the same 178125f12b33SRalf Baechle kernel binary so the choice between VSMP and SMTC is a compile time 178225f12b33SRalf Baechle decision. 178325f12b33SRalf Baechle 178425f12b33SRalf Baechle For further information see http://www.linux-mips.org/wiki/34K#SMTC 178541c594abSRalf Baechle 1786340ee4b9SRalf Baechleendchoice 1787340ee4b9SRalf Baechle 1788f41ae0b2SRalf Baechleconfig MIPS_MT 1789f41ae0b2SRalf Baechle bool 1790f41ae0b2SRalf Baechle 17910ab7aefcSRalf Baechleconfig SCHED_SMT 17920ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 17930ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 17940ab7aefcSRalf Baechle default n 17950ab7aefcSRalf Baechle help 17960ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 17970ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 17980ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 17990ab7aefcSRalf Baechle 18000ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 18010ab7aefcSRalf Baechle bool 18020ab7aefcSRalf Baechle 18030ab7aefcSRalf Baechle 1804f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1805f41ae0b2SRalf Baechle bool 1806f41ae0b2SRalf Baechle 1807f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1808f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1809f088fc84SRalf Baechle default y 181007cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 181107cc0c9eSRalf Baechle 181207cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 181307cc0c9eSRalf Baechle bool "VPE loader support." 181407cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 181507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 181607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 181707cc0c9eSRalf Baechle select MIPS_MT 181807cc0c9eSRalf Baechle help 181907cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 182007cc0c9eSRalf Baechle onto another VPE and running it. 1821f088fc84SRalf Baechle 18220db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 18230db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 18240db34215SKevin D. Kissell depends on MIPS_MT_SMTC 18258531a35eSKevin D. Kissell default n 18260db34215SKevin D. Kissell help 18270db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 18280db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 18290db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 18300db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 18310db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 18328531a35eSKevin D. Kissell impact on interrupt service overhead. 18330db34215SKevin D. Kissell 1834f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1835f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1836f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1837f571eff0SKevin D. Kissell default n 1838f571eff0SKevin D. Kissell help 1839f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1840f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1841f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 18428531a35eSKevin D. Kissell platform code. Adds some overhead to interrupt dispatch, and 18438531a35eSKevin D. Kissell should be used only if you know what you are doing. 1844f571eff0SKevin D. Kissell 1845e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1846e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1847e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1848e01402b1SRalf Baechle default y 1849e01402b1SRalf Baechle help 1850e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1851e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1852e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1853e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1854e01402b1SRalf Baechle 1855e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1856e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1857e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1858e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 18595e83d430SRalf Baechle help 1860e01402b1SRalf Baechle 18612600990eSRalf Baechleconfig MIPS_APSP_KSPD 18622600990eSRalf Baechle bool "Enable KSPD" 18632600990eSRalf Baechle depends on MIPS_VPE_APSP_API 18642600990eSRalf Baechle default y 18652600990eSRalf Baechle help 18662600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 18672600990eSRalf Baechle side, actions them and returns the results. It also handles the 18682600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 18692600990eSRalf Baechle exiting. You probably want to say yes here. 18702600990eSRalf Baechle 18714a16ff4cSRalf Baechleconfig MIPS_CMP 18724a16ff4cSRalf Baechle bool "MIPS CMP framework support" 18734a16ff4cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 1874eb9b5141STim Anderson select SYNC_R4K 18754a16ff4cSRalf Baechle select SYS_SUPPORTS_SMP 18764a16ff4cSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 18774a16ff4cSRalf Baechle select WEAK_ORDERING 18784a16ff4cSRalf Baechle default n 18794a16ff4cSRalf Baechle help 18804a16ff4cSRalf Baechle This is a placeholder option for the GCMP work. It will need to 18814a16ff4cSRalf Baechle be handled differently... 18824a16ff4cSRalf Baechle 18831da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 18841da177e4SLinus Torvalds bool 18851da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 18861da177e4SLinus Torvalds default y 18871da177e4SLinus Torvalds 18881da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 18891da177e4SLinus Torvalds bool 18901da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 18911da177e4SLinus Torvalds default y 18921da177e4SLinus Torvalds 18931da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 18941da177e4SLinus Torvalds bool 18951da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 18961da177e4SLinus Torvalds default y 18971da177e4SLinus Torvalds 18981da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1899d806cb2bSRalf Baechle bool 19001da177e4SLinus Torvalds 190160ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 190260ec6571Spascal@pabr.org def_bool 64BIT_PHYS_ADDR 190360ec6571Spascal@pabr.org 19049693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 19059693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 19069693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 19079693a853SFranck Bui-Huu help 19089693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 19099693a853SFranck Bui-Huu increased security at both hardware and software level for 19109693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 19119693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 19129693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 19139693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 19149693a853SFranck Bui-Huu here. 19159693a853SFranck Bui-Huu 19161da177e4SLinus Torvaldsconfig CPU_HAS_WB 1917f7062ddbSRalf Baechle bool 1918e01402b1SRalf Baechle 1919f41ae0b2SRalf Baechle# 1920f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1921f41ae0b2SRalf Baechle# 1922e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1923f41ae0b2SRalf Baechle bool 1924e01402b1SRalf Baechle 1925f41ae0b2SRalf Baechle# 1926f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1927f41ae0b2SRalf Baechle# 1928e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1929f41ae0b2SRalf Baechle bool 1930e01402b1SRalf Baechle 19311da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 19321da177e4SLinus Torvalds bool 19331da177e4SLinus Torvalds depends on !CPU_R3000 19341da177e4SLinus Torvalds default y 19351da177e4SLinus Torvalds 1936ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1937ea580401SRalf Baechle bool 1938ea580401SRalf Baechle 19391da177e4SLinus Torvalds# 194020d60d99SMaciej W. Rozycki# CPU non-features 194120d60d99SMaciej W. Rozycki# 194220d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 194320d60d99SMaciej W. Rozycki bool 194420d60d99SMaciej W. Rozycki 194520d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 194620d60d99SMaciej W. Rozycki bool 194720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 194820d60d99SMaciej W. Rozycki 194920d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 195020d60d99SMaciej W. Rozycki bool 195120d60d99SMaciej W. Rozycki 195220d60d99SMaciej W. Rozycki# 19531da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 19541da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 19551da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 19561da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 19571da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 19581da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 19591da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 19601da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1961797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1962797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1963797798c1SRalf Baechle# support. 19641da177e4SLinus Torvalds# 19651da177e4SLinus Torvaldsconfig HIGHMEM 19661da177e4SLinus Torvalds bool "High Memory Support" 1967797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1968797798c1SRalf Baechle 1969797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1970797798c1SRalf Baechle bool 1971797798c1SRalf Baechle 1972797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1973797798c1SRalf Baechle bool 19741da177e4SLinus Torvalds 19759693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 19769693a853SFranck Bui-Huu bool 19779693a853SFranck Bui-Huu 1978b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1979b4819b59SYoichi Yuasa def_bool y 1980f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 1981b4819b59SYoichi Yuasa 1982d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1983d8cb4e11SRalf Baechle bool 1984d8cb4e11SRalf Baechle default y if SGI_IP27 1985d8cb4e11SRalf Baechle help 19863dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1987d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1988d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1989d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1990d8cb4e11SRalf Baechle 1991cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1992cce335aeSRalf Baechle def_bool y 1993cce335aeSRalf Baechle 1994b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1995b1c6cd42SAtsushi Nemoto bool 19967de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 199731473747SAtsushi Nemoto 1998d8cb4e11SRalf Baechleconfig NUMA 1999d8cb4e11SRalf Baechle bool "NUMA Support" 2000d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2001d8cb4e11SRalf Baechle help 2002d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2003d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2004d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2005d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2006d8cb4e11SRalf Baechle disabled. 2007d8cb4e11SRalf Baechle 2008d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2009d8cb4e11SRalf Baechle bool 2010d8cb4e11SRalf Baechle 2011c80d79d7SYasunori Gotoconfig NODES_SHIFT 2012c80d79d7SYasunori Goto int 2013c80d79d7SYasunori Goto default "6" 2014c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2015c80d79d7SYasunori Goto 201614f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 201714f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 201814f70012SDeng-Cheng Zhu depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32 201914f70012SDeng-Cheng Zhu default y 202014f70012SDeng-Cheng Zhu help 202114f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 202214f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 202314f70012SDeng-Cheng Zhu 2024b4819b59SYoichi Yuasasource "mm/Kconfig" 2025b4819b59SYoichi Yuasa 20261da177e4SLinus Torvaldsconfig SMP 20271da177e4SLinus Torvalds bool "Multi-Processing support" 2028e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2029b4b30a5aSRalf Baechle select IRQ_PER_CPU 20302f304c0aSJens Axboe select USE_GENERIC_SMP_HELPERS 2031e73ea273SRalf Baechle help 20321da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 20331da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 20341da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 20351da177e4SLinus Torvalds 20361da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 20371da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 20381da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 20391da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 20401da177e4SLinus Torvalds will run faster if you say N here. 20411da177e4SLinus Torvalds 20421da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 20431da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 20441da177e4SLinus Torvalds 204503502faaSAdrian Bunk See also the SMP-HOWTO available at 204603502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 20471da177e4SLinus Torvalds 20481da177e4SLinus Torvalds If you don't know what to do here, say N. 20491da177e4SLinus Torvalds 205087353d8aSRalf Baechleconfig SMP_UP 205187353d8aSRalf Baechle bool 205287353d8aSRalf Baechle 20534a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 20544a16ff4cSRalf Baechle bool 20554a16ff4cSRalf Baechle 2056e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2057e73ea273SRalf Baechle bool 2058e73ea273SRalf Baechle 205972ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 206072ede9b1SAtsushi Nemoto bool 206172ede9b1SAtsushi Nemoto 2062130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 2063130e2fb7SRalf Baechle bool 2064130e2fb7SRalf Baechle 2065130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2066130e2fb7SRalf Baechle bool 2067130e2fb7SRalf Baechle 2068130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2069130e2fb7SRalf Baechle bool 2070130e2fb7SRalf Baechle 2071130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2072130e2fb7SRalf Baechle bool 2073130e2fb7SRalf Baechle 2074130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2075130e2fb7SRalf Baechle bool 2076130e2fb7SRalf Baechle 2077130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2078130e2fb7SRalf Baechle bool 2079130e2fb7SRalf Baechle 20801da177e4SLinus Torvaldsconfig NR_CPUS 20811da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 208272ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 20831da177e4SLinus Torvalds depends on SMP 208472ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 2085130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 2086130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2087130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2088130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2089130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2090130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 20911da177e4SLinus Torvalds help 20921da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 20931da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 20941da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 209572ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 209672ede9b1SAtsushi Nemoto and 2 for all others. 20971da177e4SLinus Torvalds 20981da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 209972ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 210072ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 210172ede9b1SAtsushi Nemoto power of two. 21021da177e4SLinus Torvalds 2103c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 2104c4eee283SAtsushi Nemoto 21051723b4a3SAtsushi Nemoto# 21061723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 21071723b4a3SAtsushi Nemoto# 21081723b4a3SAtsushi Nemoto 21091723b4a3SAtsushi Nemotochoice 21101723b4a3SAtsushi Nemoto prompt "Timer frequency" 21111723b4a3SAtsushi Nemoto default HZ_250 21121723b4a3SAtsushi Nemoto help 21131723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 21141723b4a3SAtsushi Nemoto 21151723b4a3SAtsushi Nemoto config HZ_48 21160f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 21171723b4a3SAtsushi Nemoto 21181723b4a3SAtsushi Nemoto config HZ_100 21191723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 21201723b4a3SAtsushi Nemoto 21211723b4a3SAtsushi Nemoto config HZ_128 21221723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 21231723b4a3SAtsushi Nemoto 21241723b4a3SAtsushi Nemoto config HZ_250 21251723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 21261723b4a3SAtsushi Nemoto 21271723b4a3SAtsushi Nemoto config HZ_256 21281723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 21291723b4a3SAtsushi Nemoto 21301723b4a3SAtsushi Nemoto config HZ_1000 21311723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 21321723b4a3SAtsushi Nemoto 21331723b4a3SAtsushi Nemoto config HZ_1024 21341723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 21351723b4a3SAtsushi Nemoto 21361723b4a3SAtsushi Nemotoendchoice 21371723b4a3SAtsushi Nemoto 21381723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 21391723b4a3SAtsushi Nemoto bool 21401723b4a3SAtsushi Nemoto 21411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 21421723b4a3SAtsushi Nemoto bool 21431723b4a3SAtsushi Nemoto 21441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 21451723b4a3SAtsushi Nemoto bool 21461723b4a3SAtsushi Nemoto 21471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 21481723b4a3SAtsushi Nemoto bool 21491723b4a3SAtsushi Nemoto 21501723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 21511723b4a3SAtsushi Nemoto bool 21521723b4a3SAtsushi Nemoto 21531723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 21541723b4a3SAtsushi Nemoto bool 21551723b4a3SAtsushi Nemoto 21561723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 21571723b4a3SAtsushi Nemoto bool 21581723b4a3SAtsushi Nemoto 21591723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 21601723b4a3SAtsushi Nemoto bool 21611723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 21621723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 21631723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 21641723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 21651723b4a3SAtsushi Nemoto 21661723b4a3SAtsushi Nemotoconfig HZ 21671723b4a3SAtsushi Nemoto int 21681723b4a3SAtsushi Nemoto default 48 if HZ_48 21691723b4a3SAtsushi Nemoto default 100 if HZ_100 21701723b4a3SAtsushi Nemoto default 128 if HZ_128 21711723b4a3SAtsushi Nemoto default 250 if HZ_250 21721723b4a3SAtsushi Nemoto default 256 if HZ_256 21731723b4a3SAtsushi Nemoto default 1000 if HZ_1000 21741723b4a3SAtsushi Nemoto default 1024 if HZ_1024 21751723b4a3SAtsushi Nemoto 2176e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 21771da177e4SLinus Torvalds 21781da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 21791da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 2180875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 21811da177e4SLinus Torvalds help 21821da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 21831da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 21841da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 21851da177e4SLinus Torvalds This will result in additional memory usage, so it is not 21861da177e4SLinus Torvalds recommended for normal users. 21871da177e4SLinus Torvalds 2188ea6e942bSAtsushi Nemotoconfig KEXEC 2189ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 2190ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 2191ea6e942bSAtsushi Nemoto help 2192ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2193ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 21943dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2195ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2196ea6e942bSAtsushi Nemoto 219701dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2198ea6e942bSAtsushi Nemoto 2199ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2200ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2201ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 2202ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 2203ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 2204ea6e942bSAtsushi Nemoto 2205ea6e942bSAtsushi Nemotoconfig SECCOMP 2206ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2207293c5bd1SRalf Baechle depends on PROC_FS 2208ea6e942bSAtsushi Nemoto default y 2209ea6e942bSAtsushi Nemoto help 2210ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2211ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2212ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2213ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2214ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2215ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2216ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2217ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2218ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2219ea6e942bSAtsushi Nemoto 2220ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2221ea6e942bSAtsushi Nemoto 2222f2ffa5abSDezhong Diaoconfig USE_OF 2223f2ffa5abSDezhong Diao bool "Flattened Device Tree support" 2224f2ffa5abSDezhong Diao select OF 2225e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2226f2ffa5abSDezhong Diao help 2227f2ffa5abSDezhong Diao Include support for flattened device tree machine descriptions. 2228f2ffa5abSDezhong Diao 22295e83d430SRalf Baechleendmenu 22305e83d430SRalf Baechle 22311df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 22321df0f0ffSAtsushi Nemoto bool 22331df0f0ffSAtsushi Nemoto default y 22341df0f0ffSAtsushi Nemoto 22351df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 22361df0f0ffSAtsushi Nemoto bool 22371df0f0ffSAtsushi Nemoto default y 22381df0f0ffSAtsushi Nemoto 2239b6c3539bSRalf Baechlesource "init/Kconfig" 2240b6c3539bSRalf Baechle 2241dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2242dc52ddc0SMatt Helsley 22431da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 22441da177e4SLinus Torvalds 22455e83d430SRalf Baechleconfig HW_HAS_EISA 22465e83d430SRalf Baechle bool 22471da177e4SLinus Torvaldsconfig HW_HAS_PCI 22481da177e4SLinus Torvalds bool 22491da177e4SLinus Torvalds 22501da177e4SLinus Torvaldsconfig PCI 22511da177e4SLinus Torvalds bool "Support for PCI controller" 22521da177e4SLinus Torvalds depends on HW_HAS_PCI 2253abb4ae46SRalf Baechle select PCI_DOMAINS 22541da177e4SLinus Torvalds help 22551da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 22561da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 22571da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 22581da177e4SLinus Torvalds say Y, otherwise N. 22591da177e4SLinus Torvalds 22601da177e4SLinus Torvaldsconfig PCI_DOMAINS 22611da177e4SLinus Torvalds bool 22621da177e4SLinus Torvalds 22631da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 22641da177e4SLinus Torvalds 22651da177e4SLinus Torvalds# 22661da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 22671da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 22681da177e4SLinus Torvalds# users to choose the right thing ... 22691da177e4SLinus Torvalds# 22701da177e4SLinus Torvaldsconfig ISA 22711da177e4SLinus Torvalds bool 22721da177e4SLinus Torvalds 22731da177e4SLinus Torvaldsconfig EISA 22741da177e4SLinus Torvalds bool "EISA support" 22755e83d430SRalf Baechle depends on HW_HAS_EISA 22761da177e4SLinus Torvalds select ISA 2277aa414dffSRalf Baechle select GENERIC_ISA_DMA 22781da177e4SLinus Torvalds ---help--- 22791da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 22801da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 22811da177e4SLinus Torvalds 22821da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 22831da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 22841da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 22851da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 22861da177e4SLinus Torvalds 22871da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 22881da177e4SLinus Torvalds 22891da177e4SLinus Torvalds Otherwise, say N. 22901da177e4SLinus Torvalds 22911da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 22921da177e4SLinus Torvalds 22931da177e4SLinus Torvaldsconfig TC 22941da177e4SLinus Torvalds bool "TURBOchannel support" 22951da177e4SLinus Torvalds depends on MACH_DECSTATION 22961da177e4SLinus Torvalds help 229750a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 229850a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 229950a23e6eSJustin P. Mattock at: 230050a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 230150a23e6eSJustin P. Mattock and: 230250a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 230350a23e6eSJustin P. Mattock Linux driver support status is documented at: 230450a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 23051da177e4SLinus Torvalds 23061da177e4SLinus Torvalds#config ACCESSBUS 23071da177e4SLinus Torvalds# bool "Access.Bus support" 23081da177e4SLinus Torvalds# depends on TC 23091da177e4SLinus Torvalds 23101da177e4SLinus Torvaldsconfig MMU 23111da177e4SLinus Torvalds bool 23121da177e4SLinus Torvalds default y 23131da177e4SLinus Torvalds 2314d865bea4SRalf Baechleconfig I8253 2315d865bea4SRalf Baechle bool 23169726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2317d865bea4SRalf Baechle 2318cce335aeSRalf Baechleconfig ZONE_DMA32 2319cce335aeSRalf Baechle bool 2320cce335aeSRalf Baechle 23211da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 23221da177e4SLinus Torvalds 23231da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 23241da177e4SLinus Torvalds 23251da177e4SLinus Torvaldsendmenu 23261da177e4SLinus Torvalds 23271da177e4SLinus Torvaldsmenu "Executable file formats" 23281da177e4SLinus Torvalds 23291da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 23301da177e4SLinus Torvalds 23311da177e4SLinus Torvaldsconfig TRAD_SIGNALS 23321da177e4SLinus Torvalds bool 23331da177e4SLinus Torvalds 23341da177e4SLinus Torvaldsconfig MIPS32_COMPAT 23351da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2336875d43e7SRalf Baechle depends on 64BIT 23371da177e4SLinus Torvalds help 23381da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 23391da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 23401da177e4SLinus Torvalds currently 32-bit you should say Y here. 23411da177e4SLinus Torvalds 23421da177e4SLinus Torvaldsconfig COMPAT 23431da177e4SLinus Torvalds bool 23441da177e4SLinus Torvalds depends on MIPS32_COMPAT 23451da177e4SLinus Torvalds default y 23461da177e4SLinus Torvalds 234705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 234805e43966SAtsushi Nemoto bool 234905e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 235005e43966SAtsushi Nemoto default y 235105e43966SAtsushi Nemoto 23521da177e4SLinus Torvaldsconfig MIPS32_O32 23531da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 23541da177e4SLinus Torvalds depends on MIPS32_COMPAT 23551da177e4SLinus Torvalds help 23561da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 23571da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 23581da177e4SLinus Torvalds existing binaries are in this format. 23591da177e4SLinus Torvalds 23601da177e4SLinus Torvalds If unsure, say Y. 23611da177e4SLinus Torvalds 23621da177e4SLinus Torvaldsconfig MIPS32_N32 23631da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 23641da177e4SLinus Torvalds depends on MIPS32_COMPAT 23651da177e4SLinus Torvalds help 23661da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 23671da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 23681da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 23691da177e4SLinus Torvalds cases. 23701da177e4SLinus Torvalds 23711da177e4SLinus Torvalds If unsure, say N. 23721da177e4SLinus Torvalds 23731da177e4SLinus Torvaldsconfig BINFMT_ELF32 23741da177e4SLinus Torvalds bool 23751da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 23761da177e4SLinus Torvalds 23772116245eSRalf Baechleendmenu 23781da177e4SLinus Torvalds 23792116245eSRalf Baechlemenu "Power management options" 2380952fa954SRodolfo Giometti 2381363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2382363c55caSWu Zhangjin def_bool y 23833f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2384363c55caSWu Zhangjin 2385f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2386f4cb5700SJohannes Berg def_bool y 23873f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2388f4cb5700SJohannes Berg 23892116245eSRalf Baechlesource "kernel/power/Kconfig" 2390952fa954SRodolfo Giometti 23911da177e4SLinus Torvaldsendmenu 23921da177e4SLinus Torvalds 23939726b43aSWu Zhangjinsource "arch/mips/kernel/cpufreq/Kconfig" 23949726b43aSWu Zhangjin 2395d5950b43SSam Ravnborgsource "net/Kconfig" 2396d5950b43SSam Ravnborg 23971da177e4SLinus Torvaldssource "drivers/Kconfig" 23981da177e4SLinus Torvalds 23991da177e4SLinus Torvaldssource "fs/Kconfig" 24001da177e4SLinus Torvalds 24011da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 24021da177e4SLinus Torvalds 24031da177e4SLinus Torvaldssource "security/Kconfig" 24041da177e4SLinus Torvalds 24051da177e4SLinus Torvaldssource "crypto/Kconfig" 24061da177e4SLinus Torvalds 24071da177e4SLinus Torvaldssource "lib/Kconfig" 2408