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 241da177e4SLinus Torvalds 251da177e4SLinus Torvaldsmenu "Machine selection" 261da177e4SLinus Torvalds 275ac6da66SChristoph Lameterconfig ZONE_DMA 285ac6da66SChristoph Lameter bool 295ac6da66SChristoph Lameter 305e83d430SRalf Baechlechoice 315e83d430SRalf Baechle prompt "System type" 325e83d430SRalf Baechle default SGI_IP22 331da177e4SLinus Torvalds 3442a4f17dSManuel Laussconfig MIPS_ALCHEMY 35c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 3642a4f17dSManuel Lauss select 64BIT_PHYS_ADDR 3742a4f17dSManuel Lauss select CEVT_R4K_LIB 3842a4f17dSManuel Lauss select CSRC_R4K_LIB 3942a4f17dSManuel Lauss select IRQ_CPU 4042a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 4142a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 4242a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 4342a4f17dSManuel Lauss select GENERIC_GPIO 4442a4f17dSManuel Lauss select ARCH_WANT_OPTIONAL_GPIOLIB 451b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 461da177e4SLinus Torvalds 477ca5dc14SFlorian Fainelliconfig AR7 487ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 497ca5dc14SFlorian Fainelli select BOOT_ELF32 507ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 517ca5dc14SFlorian Fainelli select CEVT_R4K 527ca5dc14SFlorian Fainelli select CSRC_R4K 537ca5dc14SFlorian Fainelli select IRQ_CPU 547ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 557ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 567ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 577ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 587ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 597ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 601b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 615f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 627ca5dc14SFlorian Fainelli select GCD 637ca5dc14SFlorian Fainelli select VLYNQ 647ca5dc14SFlorian Fainelli help 657ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 667ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 677ca5dc14SFlorian Fainelli 681c0c13ebSAurelien Jarnoconfig BCM47XX 69c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 7042f77542SRalf Baechle select CEVT_R4K 71940f6b48SRalf Baechle select CSRC_R4K 721c0c13ebSAurelien Jarno select DMA_NONCOHERENT 731c0c13ebSAurelien Jarno select HW_HAS_PCI 741c0c13ebSAurelien Jarno select IRQ_CPU 751c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 761c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 771c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 781c0c13ebSAurelien Jarno select SSB 791c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 802f02c15aSAurelien Jarno select SSB_DRIVER_EXTIF 81b06f3e19SAurelien Jarno select SSB_EMBEDDED 82220937b1SHauke Mehrtens select SSB_B43_PCI_BRIDGE if PCI 832f02c15aSAurelien Jarno select SSB_PCICORE_HOSTMODE if PCI 841c0c13ebSAurelien Jarno select GENERIC_GPIO 8525e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 8625e5fb97SAurelien Jarno select CFE 871c0c13ebSAurelien Jarno help 881c0c13ebSAurelien Jarno Support for BCM47XX based boards 891c0c13ebSAurelien Jarno 90e7300d04SMaxime Bizonconfig BCM63XX 91e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 92e7300d04SMaxime Bizon select CEVT_R4K 93e7300d04SMaxime Bizon select CSRC_R4K 94e7300d04SMaxime Bizon select DMA_NONCOHERENT 95e7300d04SMaxime Bizon select IRQ_CPU 96e7300d04SMaxime Bizon select SYS_HAS_CPU_MIPS32_R1 97e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 98e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 99e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 100e7300d04SMaxime Bizon select SWAP_IO_SPACE 101e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 102e7300d04SMaxime Bizon help 103e7300d04SMaxime Bizon Support for BCM63XX based boards 104e7300d04SMaxime Bizon 1051da177e4SLinus Torvaldsconfig MIPS_COBALT 1063fa986faSMartin Michlmayr bool "Cobalt Server" 10742f77542SRalf Baechle select CEVT_R4K 108940f6b48SRalf Baechle select CSRC_R4K 1091097c6acSYoichi Yuasa select CEVT_GT641XX 1101da177e4SLinus Torvalds select DMA_NONCOHERENT 1111da177e4SLinus Torvalds select HW_HAS_PCI 112d865bea4SRalf Baechle select I8253 1131da177e4SLinus Torvalds select I8259 1141da177e4SLinus Torvalds select IRQ_CPU 115d5ab1a69SYoichi Yuasa select IRQ_GT641XX 116252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 117e25bfc92SYoichi Yuasa select PCI 1187cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1190a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 120ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 1210e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 1225e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1231da177e4SLinus Torvalds 1241da177e4SLinus Torvaldsconfig MACH_DECSTATION 1253fa986faSMartin Michlmayr bool "DECstations" 1261da177e4SLinus Torvalds select BOOT_ELF32 1276457d9fcSYoichi Yuasa select CEVT_DS1287 12842f77542SRalf Baechle select CEVT_R4K 1294247417dSYoichi Yuasa select CSRC_IOASIC 130940f6b48SRalf Baechle select CSRC_R4K 13120d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 13220d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 13320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 1341da177e4SLinus Torvalds select DMA_NONCOHERENT 135d388d685SMaciej W. Rozycki select NO_IOPORT 1361da177e4SLinus Torvalds select IRQ_CPU 1377cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 1387cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 139ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 140ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1421723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 1431723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 1441723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 1455e83d430SRalf Baechle help 1461da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1471da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1481da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1491da177e4SLinus Torvalds 1501da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1511da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1521da177e4SLinus Torvalds 1531da177e4SLinus Torvalds DECstation 5000/50 1541da177e4SLinus Torvalds DECstation 5000/150 1551da177e4SLinus Torvalds DECstation 5000/260 1561da177e4SLinus Torvalds DECsystem 5900/260 1571da177e4SLinus Torvalds 1581da177e4SLinus Torvalds otherwise choose R3000. 1591da177e4SLinus Torvalds 1605e83d430SRalf Baechleconfig MACH_JAZZ 1613fa986faSMartin Michlmayr bool "Jazz family of machines" 1625e83d430SRalf Baechle select ARC 1635e83d430SRalf Baechle select ARC32 1645e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 16542f77542SRalf Baechle select CEVT_R4K 166940f6b48SRalf Baechle select CSRC_R4K 167e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 1685e83d430SRalf Baechle select GENERIC_ISA_DMA 169ea202c63SThomas Bogendoerfer select IRQ_CPU 170d865bea4SRalf Baechle select I8253 1715e83d430SRalf Baechle select I8259 1725e83d430SRalf Baechle select ISA 1737cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1745e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1755e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1761723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1771da177e4SLinus Torvalds help 1785e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1795e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 180692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 1815e83d430SRalf Baechle Olivetti M700-10 workstations. 1825e83d430SRalf Baechle 1835ebabe59SLars-Peter Clausenconfig MACH_JZ4740 1845ebabe59SLars-Peter Clausen bool "Ingenic JZ4740 based machines" 1855ebabe59SLars-Peter Clausen select SYS_HAS_CPU_MIPS32_R1 1865ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 1875ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 1885ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 1895ebabe59SLars-Peter Clausen select IRQ_CPU 1905ebabe59SLars-Peter Clausen select GENERIC_GPIO 1915ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 1925ebabe59SLars-Peter Clausen select SYS_HAS_EARLY_PRINTK 1935ebabe59SLars-Peter Clausen select HAVE_PWM 1945ebabe59SLars-Peter Clausen 1951f21d2bdSBrian Murphyconfig LASAT 1961f21d2bdSBrian Murphy bool "LASAT Networks platforms" 19742f77542SRalf Baechle select CEVT_R4K 198940f6b48SRalf Baechle select CSRC_R4K 1991f21d2bdSBrian Murphy select DMA_NONCOHERENT 2001f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 2011f21d2bdSBrian Murphy select HW_HAS_PCI 202a5ccfe5cSRalf Baechle select IRQ_CPU 2031f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 2041f21d2bdSBrian Murphy select MIPS_NILE4 2051f21d2bdSBrian Murphy select R5000_CPU_SCACHE 2061f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 2071f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 2081f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 2091f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 2101f21d2bdSBrian Murphy 21185749d24SWu Zhangjinconfig MACH_LOONGSON 21285749d24SWu Zhangjin bool "Loongson family of machines" 213c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 214ade299d8SYoichi Yuasa help 21585749d24SWu Zhangjin This enables the support of Loongson family of machines. 21685749d24SWu Zhangjin 21785749d24SWu Zhangjin Loongson is a family of general-purpose MIPS-compatible CPUs. 21885749d24SWu Zhangjin developed at Institute of Computing Technology (ICT), 21985749d24SWu Zhangjin Chinese Academy of Sciences (CAS) in the People's Republic 22085749d24SWu Zhangjin of China. The chief architect is Professor Weiwu Hu. 221ade299d8SYoichi Yuasa 2221da177e4SLinus Torvaldsconfig MIPS_MALTA 2233fa986faSMartin Michlmayr bool "MIPS Malta board" 22461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2251da177e4SLinus Torvalds select BOOT_ELF32 226fa71c960SRalf Baechle select BOOT_RAW 22742f77542SRalf Baechle select CEVT_R4K 228940f6b48SRalf Baechle select CSRC_R4K 2291da177e4SLinus Torvalds select DMA_NONCOHERENT 2301da177e4SLinus Torvalds select GENERIC_ISA_DMA 231aa414dffSRalf Baechle select IRQ_CPU 23239b8d525SRalf Baechle select IRQ_GIC 2331da177e4SLinus Torvalds select HW_HAS_PCI 234d865bea4SRalf Baechle select I8253 2351da177e4SLinus Torvalds select I8259 2365e83d430SRalf Baechle select MIPS_BOARDS_GEN 2375e83d430SRalf Baechle select MIPS_BONITO64 2389318c51aSChris Dearman select MIPS_CPU_SCACHE 239252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2405e83d430SRalf Baechle select MIPS_MSC 2411da177e4SLinus Torvalds select SWAP_IO_SPACE 2427cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2437cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2447cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2457cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2467cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 24736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 248ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 249ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2505e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2515e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2520365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 253f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2549693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2551b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 2561da177e4SLinus Torvalds help 257f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2581da177e4SLinus Torvalds board. 2591da177e4SLinus Torvalds 260c78cbf49SRalf Baechleconfig MIPS_SIM 2613fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 26242f77542SRalf Baechle select CEVT_R4K 263940f6b48SRalf Baechle select CSRC_R4K 264c78cbf49SRalf Baechle select DMA_NONCOHERENT 26536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 266c78cbf49SRalf Baechle select IRQ_CPU 2679267a30dSMarc St-Jean select BOOT_RAW 2687cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2697cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 27036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 271c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 272c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 273f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 274c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 275c78cbf49SRalf Baechle help 276c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 277c78cbf49SRalf Baechle emulator. 278c78cbf49SRalf Baechle 279a83860c2SRalf Baechleconfig NEC_MARKEINS 280a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 281a83860c2SRalf Baechle select SOC_EMMA2RH 282a83860c2SRalf Baechle select HW_HAS_PCI 283a83860c2SRalf Baechle help 284a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 285ade299d8SYoichi Yuasa 2865e83d430SRalf Baechleconfig MACH_VR41XX 28774142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 28842f77542SRalf Baechle select CEVT_R4K 289940f6b48SRalf Baechle select CSRC_R4K 2907cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 29127fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 2925e83d430SRalf Baechle 293edb6310aSDaniel Lairdconfig NXP_STB220 294edb6310aSDaniel Laird bool "NXP STB220 board" 295edb6310aSDaniel Laird select SOC_PNX833X 296edb6310aSDaniel Laird help 297edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 298edb6310aSDaniel Laird 299edb6310aSDaniel Lairdconfig NXP_STB225 300edb6310aSDaniel Laird bool "NXP 225 board" 301edb6310aSDaniel Laird select SOC_PNX833X 302edb6310aSDaniel Laird select SOC_PNX8335 303edb6310aSDaniel Laird help 304edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 305edb6310aSDaniel Laird 306ade299d8SYoichi Yuasaconfig PNX8550_JBS 307a92b0588SDaniel Laird bool "NXP PNX8550 based JBS board" 308ade299d8SYoichi Yuasa select PNX8550 309ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 310ade299d8SYoichi Yuasa 311ade299d8SYoichi Yuasaconfig PNX8550_STB810 312a92b0588SDaniel Laird bool "NXP PNX8550 based STB810 board" 313ade299d8SYoichi Yuasa select PNX8550 314ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 315ade299d8SYoichi Yuasa 3169267a30dSMarc St-Jeanconfig PMC_MSP 3179267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 3189267a30dSMarc St-Jean depends on EXPERIMENTAL 3199267a30dSMarc St-Jean select DMA_NONCOHERENT 3209267a30dSMarc St-Jean select SWAP_IO_SPACE 3219267a30dSMarc St-Jean select NO_EXCEPT_FILL 3229267a30dSMarc St-Jean select BOOT_RAW 3239267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 3249267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 3259267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3269267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3279267a30dSMarc St-Jean select IRQ_CPU 3289267a30dSMarc St-Jean select SERIAL_8250 3299267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3309267a30dSMarc St-Jean help 3319267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3329267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3339267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3349267a30dSMarc St-Jean a variety of MIPS cores. 3359267a30dSMarc St-Jean 3365e83d430SRalf Baechleconfig PMC_YOSEMITE 3373fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 33842f77542SRalf Baechle select CEVT_R4K 339940f6b48SRalf Baechle select CSRC_R4K 3405e83d430SRalf Baechle select DMA_COHERENT 3415e83d430SRalf Baechle select HW_HAS_PCI 3425e83d430SRalf Baechle select IRQ_CPU 3435e83d430SRalf Baechle select IRQ_CPU_RM7K 3445e83d430SRalf Baechle select IRQ_CPU_RM9K 3455e83d430SRalf Baechle select SWAP_IO_SPACE 3467cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 34736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3485e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3495e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3505e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3515e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 352e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3535e83d430SRalf Baechle help 3545e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3555e83d430SRalf Baechle manufactured by PMC-Sierra. 3561da177e4SLinus Torvalds 357a3a0f8c8SDavid VomLehnconfig POWERTV 358a3a0f8c8SDavid VomLehn bool "Cisco PowerTV" 359a3a0f8c8SDavid VomLehn select BOOT_ELF32 360a3a0f8c8SDavid VomLehn select CEVT_R4K 361a3a0f8c8SDavid VomLehn select CPU_MIPSR2_IRQ_VI 362a3a0f8c8SDavid VomLehn select CPU_MIPSR2_IRQ_EI 363a3a0f8c8SDavid VomLehn select CSRC_POWERTV 364a3a0f8c8SDavid VomLehn select DMA_NONCOHERENT 365a3a0f8c8SDavid VomLehn select HW_HAS_PCI 366a3a0f8c8SDavid VomLehn select SYS_HAS_EARLY_PRINTK 367a3a0f8c8SDavid VomLehn select SYS_HAS_CPU_MIPS32_R2 368a3a0f8c8SDavid VomLehn select SYS_SUPPORTS_32BIT_KERNEL 369a3a0f8c8SDavid VomLehn select SYS_SUPPORTS_BIG_ENDIAN 370a3a0f8c8SDavid VomLehn select SYS_SUPPORTS_HIGHMEM 371a3a0f8c8SDavid VomLehn select USB_OHCI_LITTLE_ENDIAN 372a3a0f8c8SDavid VomLehn help 373a3a0f8c8SDavid VomLehn This enables support for the Cisco PowerTV Platform. 374a3a0f8c8SDavid VomLehn 3751da177e4SLinus Torvaldsconfig SGI_IP22 3763fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3771da177e4SLinus Torvalds select ARC 3781da177e4SLinus Torvalds select ARC32 3791da177e4SLinus Torvalds select BOOT_ELF32 38042f77542SRalf Baechle select CEVT_R4K 381940f6b48SRalf Baechle select CSRC_R4K 382e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 3831da177e4SLinus Torvalds select DMA_NONCOHERENT 3845e83d430SRalf Baechle select HW_HAS_EISA 385d865bea4SRalf Baechle select I8253 38668de4803SThomas Bogendoerfer select I8259 3871da177e4SLinus Torvalds select IP22_CPU_SCACHE 3881da177e4SLinus Torvalds select IRQ_CPU 389aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 390e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 391e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 39236e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 393e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 394e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 395e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 3961da177e4SLinus Torvalds select SWAP_IO_SPACE 3977cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3987cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 3992b5e63f6SMartin Michlmayr # 4002b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 4012b5e63f6SMartin Michlmayr # memory during early boot on some machines. 4022b5e63f6SMartin Michlmayr # 4032b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 4042b5e63f6SMartin Michlmayr # for a more details discussion 4052b5e63f6SMartin Michlmayr # 4062b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 407ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 408ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4095e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4101da177e4SLinus Torvalds help 4111da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 4121da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 4131da177e4SLinus Torvalds that runs on these, say Y here. 4141da177e4SLinus Torvalds 4151da177e4SLinus Torvaldsconfig SGI_IP27 4163fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 4171da177e4SLinus Torvalds select ARC 4181da177e4SLinus Torvalds select ARC64 4195e83d430SRalf Baechle select BOOT_ELF64 420e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 421634286f1SRalf Baechle select DMA_COHERENT 42236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 4231da177e4SLinus Torvalds select HW_HAS_PCI 424130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 4257cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 426ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4275e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 428d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 4291a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 4301da177e4SLinus Torvalds help 4311da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 4321da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 4331da177e4SLinus Torvalds here. 4341da177e4SLinus Torvalds 435e2defae5SThomas Bogendoerferconfig SGI_IP28 436e2defae5SThomas Bogendoerfer bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" 437e2defae5SThomas Bogendoerfer depends on EXPERIMENTAL 438e2defae5SThomas Bogendoerfer select ARC 439e2defae5SThomas Bogendoerfer select ARC64 440e2defae5SThomas Bogendoerfer select BOOT_ELF64 441e2defae5SThomas Bogendoerfer select CEVT_R4K 442e2defae5SThomas Bogendoerfer select CSRC_R4K 443e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 444e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 445e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 446e2defae5SThomas Bogendoerfer select IRQ_CPU 447e2defae5SThomas Bogendoerfer select HW_HAS_EISA 448e2defae5SThomas Bogendoerfer select I8253 449e2defae5SThomas Bogendoerfer select I8259 450e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 451e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 4525b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 453e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 454e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 455e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 456e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 457e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 4582b5e63f6SMartin Michlmayr # 4592b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 4602b5e63f6SMartin Michlmayr # memory during early boot on some machines. 4612b5e63f6SMartin Michlmayr # 4622b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 4632b5e63f6SMartin Michlmayr # for a more details discussion 4642b5e63f6SMartin Michlmayr # 4652b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 466e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 467e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 468e2defae5SThomas Bogendoerfer help 469e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 470e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 471e2defae5SThomas Bogendoerfer 4721da177e4SLinus Torvaldsconfig SGI_IP32 473cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4741da177e4SLinus Torvalds select ARC 4751da177e4SLinus Torvalds select ARC32 4761da177e4SLinus Torvalds select BOOT_ELF32 47742f77542SRalf Baechle select CEVT_R4K 478940f6b48SRalf Baechle select CSRC_R4K 4791da177e4SLinus Torvalds select DMA_NONCOHERENT 4801da177e4SLinus Torvalds select HW_HAS_PCI 481dd67b155SRalf Baechle select IRQ_CPU 4821da177e4SLinus Torvalds select R5000_CPU_SCACHE 4831da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4847cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4857cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4867cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 487dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 488ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4895e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4901da177e4SLinus Torvalds help 4911da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4921da177e4SLinus Torvalds 493ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 494ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4955e83d430SRalf Baechle depends on EXPERIMENTAL 4965e83d430SRalf Baechle select BOOT_ELF32 4975e83d430SRalf Baechle select DMA_COHERENT 4985e83d430SRalf Baechle select SIBYTE_BCM1120 4995e83d430SRalf Baechle select SWAP_IO_SPACE 5007cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5015e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5025e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5035e83d430SRalf Baechle 504ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 505ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 5065e83d430SRalf Baechle depends on EXPERIMENTAL 5075e83d430SRalf Baechle select BOOT_ELF32 5085e83d430SRalf Baechle select DMA_COHERENT 5095e83d430SRalf Baechle select SIBYTE_BCM1120 5105e83d430SRalf Baechle select SWAP_IO_SPACE 5117cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5125e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5135e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5145e83d430SRalf Baechle 5155e83d430SRalf Baechleconfig SIBYTE_CRHONE 5163fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 5175e83d430SRalf Baechle depends on EXPERIMENTAL 5185e83d430SRalf Baechle select BOOT_ELF32 5195e83d430SRalf Baechle select DMA_COHERENT 5205e83d430SRalf Baechle select SIBYTE_BCM1125 5215e83d430SRalf Baechle select SWAP_IO_SPACE 5227cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5235e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5245e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5255e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5265e83d430SRalf Baechle 527ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 528ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 529ade299d8SYoichi Yuasa depends on EXPERIMENTAL 530ade299d8SYoichi Yuasa select BOOT_ELF32 531ade299d8SYoichi Yuasa select DMA_COHERENT 532ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 533ade299d8SYoichi Yuasa select SWAP_IO_SPACE 534ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 535ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 536ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 537ade299d8SYoichi Yuasa 538ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 539ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 540ade299d8SYoichi Yuasa select BOOT_ELF32 541ade299d8SYoichi Yuasa select DMA_COHERENT 542fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 543ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 544ade299d8SYoichi Yuasa select SIBYTE_SB1250 545ade299d8SYoichi Yuasa select SWAP_IO_SPACE 546ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 547ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 548ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 549ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 550cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 551ade299d8SYoichi Yuasa 552ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 553ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 554ade299d8SYoichi Yuasa depends on EXPERIMENTAL 555ade299d8SYoichi Yuasa select BOOT_ELF32 556ade299d8SYoichi Yuasa select DMA_COHERENT 557fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 558ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 559ade299d8SYoichi Yuasa select SIBYTE_SB1250 560ade299d8SYoichi Yuasa select SWAP_IO_SPACE 561ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 562ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 563ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 564ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 565ade299d8SYoichi Yuasa 566ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 567ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 568ade299d8SYoichi Yuasa depends on EXPERIMENTAL 569ade299d8SYoichi Yuasa select BOOT_ELF32 570ade299d8SYoichi Yuasa select DMA_COHERENT 571ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 572ade299d8SYoichi Yuasa select SIBYTE_SB1250 573ade299d8SYoichi Yuasa select SWAP_IO_SPACE 574ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 575ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 576ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 577ade299d8SYoichi Yuasa 578ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 579ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 580ade299d8SYoichi Yuasa select BOOT_ELF32 581ade299d8SYoichi Yuasa select DMA_COHERENT 582ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 583ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 584ade299d8SYoichi Yuasa select SWAP_IO_SPACE 585ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 586ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 587651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 588ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 589cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 590ade299d8SYoichi Yuasa 59114b36af4SThomas Bogendoerferconfig SNI_RM 59214b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5934a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5944a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 595231a35d3SThomas Bogendoerfer select SNIPROM if CPU_BIG_ENDIAN 5965e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5975e83d430SRalf Baechle select BOOT_ELF32 59842f77542SRalf Baechle select CEVT_R4K 599940f6b48SRalf Baechle select CSRC_R4K 600e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 6015e83d430SRalf Baechle select DMA_NONCOHERENT 6025e83d430SRalf Baechle select GENERIC_ISA_DMA 6035e83d430SRalf Baechle select HW_HAS_EISA 6045e83d430SRalf Baechle select HW_HAS_PCI 605c066a32aSThomas Bogendoerfer select IRQ_CPU 606d865bea4SRalf Baechle select I8253 6075e83d430SRalf Baechle select I8259 6085e83d430SRalf Baechle select ISA 6094a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 6107cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6114a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 612c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 6134a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 61436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 615ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 6165e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 6174a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 6185e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6195e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6201da177e4SLinus Torvalds help 62114b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 62214b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 6235e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 6245e83d430SRalf Baechle support this machine type. 6251da177e4SLinus Torvalds 626edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 627edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 6285e83d430SRalf Baechle 629edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 630edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 63123fbee9dSRalf Baechle 63273b4390fSRalf Baechleconfig MIKROTIK_RB532 63373b4390fSRalf Baechle bool "Mikrotik RB532 boards" 63473b4390fSRalf Baechle select CEVT_R4K 63573b4390fSRalf Baechle select CSRC_R4K 63673b4390fSRalf Baechle select DMA_NONCOHERENT 63773b4390fSRalf Baechle select HW_HAS_PCI 63873b4390fSRalf Baechle select IRQ_CPU 63973b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 64073b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 64173b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 64273b4390fSRalf Baechle select SWAP_IO_SPACE 64373b4390fSRalf Baechle select BOOT_RAW 644d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 64573b4390fSRalf Baechle help 64673b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 64773b4390fSRalf Baechle based on the IDT RC32434 SoC. 64873b4390fSRalf Baechle 649ade299d8SYoichi Yuasaconfig WR_PPMC 650ade299d8SYoichi Yuasa bool "Wind River PPMC board" 65142f77542SRalf Baechle select CEVT_R4K 652940f6b48SRalf Baechle select CSRC_R4K 653ade299d8SYoichi Yuasa select IRQ_CPU 654ade299d8SYoichi Yuasa select BOOT_ELF32 655ade299d8SYoichi Yuasa select DMA_NONCOHERENT 656ade299d8SYoichi Yuasa select HW_HAS_PCI 657ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 658ade299d8SYoichi Yuasa select SWAP_IO_SPACE 659ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 660ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 661ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 662ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 663ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 664ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 665ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 666ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 667ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 668ade299d8SYoichi Yuasa help 669ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 670ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 671ade299d8SYoichi Yuasa 672a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_SIMULATOR 673c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon Simulator" 674a86c7f72SDavid Daney select CEVT_R4K 675a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 676a86c7f72SDavid Daney select DMA_COHERENT 677a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 678a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 679a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 680773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 6815e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 682a86c7f72SDavid Daney help 683a86c7f72SDavid Daney The Octeon simulator is software performance model of the Cavium 684a86c7f72SDavid Daney Octeon Processor. It supports simulating Octeon processors on x86 685a86c7f72SDavid Daney hardware. 686a86c7f72SDavid Daney 687a86c7f72SDavid Daneyconfig CAVIUM_OCTEON_REFERENCE_BOARD 688c9d89d97SYoichi Yuasa bool "Cavium Networks Octeon reference board" 689a86c7f72SDavid Daney select CEVT_R4K 690a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 691a86c7f72SDavid Daney select DMA_COHERENT 692a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 693a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 694a86c7f72SDavid Daney select SYS_SUPPORTS_HIGHMEM 695773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 696a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 6975e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 698a86c7f72SDavid Daney select SWAP_IO_SPACE 699e8635b48SDavid Daney select HW_HAS_PCI 700e8635b48SDavid Daney select ARCH_SUPPORTS_MSI 701f00e001eSDavid Daney select ZONE_DMA32 702340fbb8bSDavid Daney select USB_ARCH_HAS_OHCI 703340fbb8bSDavid Daney select USB_ARCH_HAS_EHCI 704a86c7f72SDavid Daney help 705a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 706a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 707a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 708a86c7f72SDavid Daney Some of the supported boards are: 709a86c7f72SDavid Daney EBT3000 710a86c7f72SDavid Daney EBH3000 711a86c7f72SDavid Daney EBH3100 712a86c7f72SDavid Daney Thunder 713a86c7f72SDavid Daney Kodama 714a86c7f72SDavid Daney Hikari 715a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 716a86c7f72SDavid Daney 7171da177e4SLinus Torvaldsendchoice 7181da177e4SLinus Torvalds 719e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 720e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 7215e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 7225ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 7231f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 7245e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 725a3a0f8c8SDavid VomLehnsource "arch/mips/powertv/Kconfig" 72629c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 72738b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 72822b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 7295e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 730a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 73185749d24SWu Zhangjinsource "arch/mips/loongson/Kconfig" 73238b18f72SRalf Baechle 7335e83d430SRalf Baechleendmenu 7345e83d430SRalf Baechle 7351da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 7361da177e4SLinus Torvalds bool 7371da177e4SLinus Torvalds default y 7381da177e4SLinus Torvalds 7391da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 7401da177e4SLinus Torvalds bool 7411da177e4SLinus Torvalds 742f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 743f0d1b0b3SDavid Howells bool 744f0d1b0b3SDavid Howells default n 745f0d1b0b3SDavid Howells 746f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 747f0d1b0b3SDavid Howells bool 748f0d1b0b3SDavid Howells default n 749f0d1b0b3SDavid Howells 75000a58253SRalf Baechleconfig ARCH_SUPPORTS_OPROFILE 75100a58253SRalf Baechle bool 75200a58253SRalf Baechle default y if !MIPS_MT_SMTC 75300a58253SRalf Baechle 7543c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 7553c9ee7efSAkinobu Mita bool 7563c9ee7efSAkinobu Mita default y 7573c9ee7efSAkinobu Mita 7583c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 7593c9ee7efSAkinobu Mita bool 7603c9ee7efSAkinobu Mita default y 7613c9ee7efSAkinobu Mita 7621da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 7631da177e4SLinus Torvalds bool 7641da177e4SLinus Torvalds default y 7651da177e4SLinus Torvalds 7667bcf7717SRalf Baechleconfig GENERIC_CLOCKEVENTS 7677bcf7717SRalf Baechle bool 7687bcf7717SRalf Baechle default y 7697bcf7717SRalf Baechle 770f5ff0a28SRalf Baechleconfig GENERIC_CMOS_UPDATE 771f5ff0a28SRalf Baechle bool 772f5ff0a28SRalf Baechle default y 773f5ff0a28SRalf Baechle 774ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 7751cc89038SAtsushi Nemoto bool 7761cc89038SAtsushi Nemoto default y 7771cc89038SAtsushi Nemoto 778e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 779c87e0909SRalf Baechle def_bool y 780e77c232cSFranck Bui-Huu 7811da177e4SLinus Torvalds# 7821da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 7831da177e4SLinus Torvalds# 7841da177e4SLinus Torvaldsconfig ARC 7851da177e4SLinus Torvalds bool 7861da177e4SLinus Torvalds 78761ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 78861ed242dSRalf Baechle bool 78961ed242dSRalf Baechle 7909267a30dSMarc St-Jeanconfig BOOT_RAW 7919267a30dSMarc St-Jean bool 7929267a30dSMarc St-Jean 793217dd11eSRalf Baechleconfig CEVT_BCM1480 794217dd11eSRalf Baechle bool 795217dd11eSRalf Baechle 7966457d9fcSYoichi Yuasaconfig CEVT_DS1287 7976457d9fcSYoichi Yuasa bool 7986457d9fcSYoichi Yuasa 7991097c6acSYoichi Yuasaconfig CEVT_GT641XX 8001097c6acSYoichi Yuasa bool 8011097c6acSYoichi Yuasa 802779e7d41SManuel Laussconfig CEVT_R4K_LIB 803779e7d41SManuel Lauss bool 804779e7d41SManuel Lauss 80542f77542SRalf Baechleconfig CEVT_R4K 806779e7d41SManuel Lauss select CEVT_R4K_LIB 80742f77542SRalf Baechle bool 80842f77542SRalf Baechle 809217dd11eSRalf Baechleconfig CEVT_SB1250 810217dd11eSRalf Baechle bool 811217dd11eSRalf Baechle 812229f773eSAtsushi Nemotoconfig CEVT_TXX9 813229f773eSAtsushi Nemoto bool 814229f773eSAtsushi Nemoto 815217dd11eSRalf Baechleconfig CSRC_BCM1480 816217dd11eSRalf Baechle bool 817217dd11eSRalf Baechle 8184247417dSYoichi Yuasaconfig CSRC_IOASIC 8194247417dSYoichi Yuasa bool 8204247417dSYoichi Yuasa 821a3a0f8c8SDavid VomLehnconfig CSRC_POWERTV 822a3a0f8c8SDavid VomLehn bool 823a3a0f8c8SDavid VomLehn 824779e7d41SManuel Laussconfig CSRC_R4K_LIB 825779e7d41SManuel Lauss bool 826779e7d41SManuel Lauss 827940f6b48SRalf Baechleconfig CSRC_R4K 828779e7d41SManuel Lauss select CSRC_R4K_LIB 829940f6b48SRalf Baechle bool 830940f6b48SRalf Baechle 831217dd11eSRalf Baechleconfig CSRC_SB1250 832217dd11eSRalf Baechle bool 833217dd11eSRalf Baechle 834a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 835a9aec7feSAtsushi Nemoto select GENERIC_GPIO 8367444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 837a9aec7feSAtsushi Nemoto bool 838a9aec7feSAtsushi Nemoto 839df78b5c8SAurelien Jarnoconfig CFE 840df78b5c8SAurelien Jarno bool 841df78b5c8SAurelien Jarno 8421da177e4SLinus Torvaldsconfig DMA_COHERENT 8431da177e4SLinus Torvalds bool 8441da177e4SLinus Torvalds 8451da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 8461da177e4SLinus Torvalds bool 847e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 8484ce588cdSRalf Baechle 849e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 8504ce588cdSRalf Baechle bool 8511da177e4SLinus Torvalds 85236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 8531da177e4SLinus Torvalds bool 8541da177e4SLinus Torvalds 855dbb74540SRalf Baechleconfig HOTPLUG_CPU 8561b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 8571b2bc75cSRalf Baechle depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU 8581b2bc75cSRalf Baechle help 8591b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 8601b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 8611b2bc75cSRalf Baechle (Note: power management support will enable this option 8621b2bc75cSRalf Baechle automatically on SMP systems. ) 8631b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 8641b2bc75cSRalf Baechle 8651b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 866dbb74540SRalf Baechle bool 867dbb74540SRalf Baechle 8681da177e4SLinus Torvaldsconfig I8259 8691da177e4SLinus Torvalds bool 8701da177e4SLinus Torvalds 8711da177e4SLinus Torvaldsconfig MIPS_BONITO64 8721da177e4SLinus Torvalds bool 8731da177e4SLinus Torvalds 8741da177e4SLinus Torvaldsconfig MIPS_MSC 8751da177e4SLinus Torvalds bool 8761da177e4SLinus Torvalds 8771f21d2bdSBrian Murphyconfig MIPS_NILE4 8781f21d2bdSBrian Murphy bool 8791f21d2bdSBrian Murphy 8801da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8811da177e4SLinus Torvalds bool 8821da177e4SLinus Torvalds 88339b8d525SRalf Baechleconfig SYNC_R4K 88439b8d525SRalf Baechle bool 88539b8d525SRalf Baechle 886*487d70d0SGabor Juhosconfig MIPS_MACHINE 887*487d70d0SGabor Juhos def_bool n 888*487d70d0SGabor Juhos 889d388d685SMaciej W. Rozyckiconfig NO_IOPORT 890d388d685SMaciej W. Rozycki def_bool n 891d388d685SMaciej W. Rozycki 8928313da30SRalf Baechleconfig GENERIC_ISA_DMA 8938313da30SRalf Baechle bool 8948313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 895a35bee8aSNamhyung Kim select ISA_DMA_API 8968313da30SRalf Baechle 897aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 898aa414dffSRalf Baechle bool 8998313da30SRalf Baechle select GENERIC_ISA_DMA 900aa414dffSRalf Baechle 901a35bee8aSNamhyung Kimconfig ISA_DMA_API 902a35bee8aSNamhyung Kim bool 903a35bee8aSNamhyung Kim 90409663335SYoichi Yuasaconfig GENERIC_GPIO 90509663335SYoichi Yuasa bool 90609663335SYoichi Yuasa 9075e83d430SRalf Baechle# 9083cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 9095e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 9105e83d430SRalf Baechle# choice statement should be more obvious to the user. 9115e83d430SRalf Baechle# 9125e83d430SRalf Baechlechoice 9135e83d430SRalf Baechle prompt "Endianess selection" 9141da177e4SLinus Torvalds help 9151da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 9165e83d430SRalf Baechle byte order. These modes require different kernels and a different 9173cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 9185e83d430SRalf Baechle particular system but some systems are just as commonly used in the 9193dde6ad8SDavid Sterba one or the other endianness. 9205e83d430SRalf Baechle 9215e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 9225e83d430SRalf Baechle bool "Big endian" 9235e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 9245e83d430SRalf Baechle 9255e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 9265e83d430SRalf Baechle bool "Little endian" 9275e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 9285e83d430SRalf Baechle help 9295e83d430SRalf Baechle 9305e83d430SRalf Baechleendchoice 9315e83d430SRalf Baechle 93222b0763aSDavid Daneyconfig EXPORT_UASM 93322b0763aSDavid Daney bool 93422b0763aSDavid Daney 9352116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 9362116245eSRalf Baechle bool 9372116245eSRalf Baechle 9385e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 9395e83d430SRalf Baechle bool 9405e83d430SRalf Baechle 9415e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 9425e83d430SRalf Baechle bool 9431da177e4SLinus Torvalds 9449cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 9459cffd154SDavid Daney bool 9469cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 9479cffd154SDavid Daney default y 9489cffd154SDavid Daney 9491da177e4SLinus Torvaldsconfig IRQ_CPU 9501da177e4SLinus Torvalds bool 9511da177e4SLinus Torvalds 9521da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 9531da177e4SLinus Torvalds bool 9541da177e4SLinus Torvalds 9555e83d430SRalf Baechleconfig IRQ_CPU_RM9K 9565e83d430SRalf Baechle bool 9575e83d430SRalf Baechle 9589267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 9599267a30dSMarc St-Jean bool 9609267a30dSMarc St-Jean 9619267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9629267a30dSMarc St-Jean bool 9639267a30dSMarc St-Jean 9648420fd00SAtsushi Nemotoconfig IRQ_TXX9 9658420fd00SAtsushi Nemoto bool 9668420fd00SAtsushi Nemoto 967d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 968d5ab1a69SYoichi Yuasa bool 969d5ab1a69SYoichi Yuasa 97039b8d525SRalf Baechleconfig IRQ_GIC 97139b8d525SRalf Baechle bool 97239b8d525SRalf Baechle 973a86c7f72SDavid Daneyconfig IRQ_CPU_OCTEON 974a86c7f72SDavid Daney bool 975a86c7f72SDavid Daney 9761da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9771da177e4SLinus Torvalds bool 9781da177e4SLinus Torvalds 979252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9801da177e4SLinus Torvalds bool 9811da177e4SLinus Torvalds 9829267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9839267a30dSMarc St-Jean bool 9849267a30dSMarc St-Jean 985663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 986663c3d90Sthomas@koeller.dyndns.org bool 987663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 988663c3d90Sthomas@koeller.dyndns.org 989a83860c2SRalf Baechleconfig SOC_EMMA2RH 990a83860c2SRalf Baechle bool 991a83860c2SRalf Baechle select CEVT_R4K 992a83860c2SRalf Baechle select CSRC_R4K 993a83860c2SRalf Baechle select DMA_NONCOHERENT 994a83860c2SRalf Baechle select IRQ_CPU 995a83860c2SRalf Baechle select SWAP_IO_SPACE 996a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 997a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 998a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 999a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1000a83860c2SRalf Baechle 1001edb6310aSDaniel Lairdconfig SOC_PNX833X 1002edb6310aSDaniel Laird bool 1003edb6310aSDaniel Laird select CEVT_R4K 1004edb6310aSDaniel Laird select CSRC_R4K 1005edb6310aSDaniel Laird select IRQ_CPU 1006edb6310aSDaniel Laird select DMA_NONCOHERENT 1007edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1008edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1009edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1010edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1011edb6310aSDaniel Laird select GENERIC_GPIO 1012edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1013edb6310aSDaniel Laird 1014edb6310aSDaniel Lairdconfig SOC_PNX8335 1015edb6310aSDaniel Laird bool 1016edb6310aSDaniel Laird select SOC_PNX833X 1017edb6310aSDaniel Laird 1018bdf21b18SPete Popovconfig PNX8550 1019bdf21b18SPete Popov bool 1020bdf21b18SPete Popov select SOC_PNX8550 1021bdf21b18SPete Popov 1022bdf21b18SPete Popovconfig SOC_PNX8550 1023bdf21b18SPete Popov bool 1024bdf21b18SPete Popov select DMA_NONCOHERENT 1025bdf21b18SPete Popov select HW_HAS_PCI 1026b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 102736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 10287cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 10294ead1681SFlorian Fainelli select GENERIC_GPIO 1030bdf21b18SPete Popov 10311da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 10321da177e4SLinus Torvalds bool 10331da177e4SLinus Torvalds 1034663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 1035663c3d90Sthomas@koeller.dyndns.org bool 1036663c3d90Sthomas@koeller.dyndns.org 1037e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1038e2defae5SThomas Bogendoerfer bool 1039e2defae5SThomas Bogendoerfer 10405b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 10415b438c44SThomas Bogendoerfer bool 10425b438c44SThomas Bogendoerfer 1043e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1044e2defae5SThomas Bogendoerfer bool 1045e2defae5SThomas Bogendoerfer 1046e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1047e2defae5SThomas Bogendoerfer bool 1048e2defae5SThomas Bogendoerfer 1049e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1050e2defae5SThomas Bogendoerfer bool 1051e2defae5SThomas Bogendoerfer 1052e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1053e2defae5SThomas Bogendoerfer bool 1054e2defae5SThomas Bogendoerfer 1055e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1056e2defae5SThomas Bogendoerfer bool 1057e2defae5SThomas Bogendoerfer 10585e83d430SRalf Baechleconfig ARC32 10595e83d430SRalf Baechle bool 10605e83d430SRalf Baechle 1061231a35d3SThomas Bogendoerferconfig SNIPROM 1062231a35d3SThomas Bogendoerfer bool 1063231a35d3SThomas Bogendoerfer 10641da177e4SLinus Torvaldsconfig BOOT_ELF32 10651da177e4SLinus Torvalds bool 10661da177e4SLinus Torvalds 10671da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 10681da177e4SLinus Torvalds int 1069c7088755SRalf Baechle default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL 10700db2b74eSRalf Baechle default "6" if MIPS_CPU_SCACHE 1071a86c7f72SDavid Daney default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 10721da177e4SLinus Torvalds default "5" 10731da177e4SLinus Torvalds 10741da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 10751da177e4SLinus Torvalds bool 10761da177e4SLinus Torvalds 10771da177e4SLinus Torvaldsconfig ARC_CONSOLE 10781da177e4SLinus Torvalds bool "ARC console support" 1079e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 10801da177e4SLinus Torvalds 10811da177e4SLinus Torvaldsconfig ARC_MEMORY 10821da177e4SLinus Torvalds bool 108314b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10841da177e4SLinus Torvalds default y 10851da177e4SLinus Torvalds 10861da177e4SLinus Torvaldsconfig ARC_PROMLIB 10871da177e4SLinus Torvalds bool 1088e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10891da177e4SLinus Torvalds default y 10901da177e4SLinus Torvalds 10911da177e4SLinus Torvaldsconfig ARC64 10921da177e4SLinus Torvalds bool 10931da177e4SLinus Torvalds 10941da177e4SLinus Torvaldsconfig BOOT_ELF64 10951da177e4SLinus Torvalds bool 10961da177e4SLinus Torvalds 10971da177e4SLinus Torvaldsmenu "CPU selection" 10981da177e4SLinus Torvalds 10991da177e4SLinus Torvaldschoice 11001da177e4SLinus Torvalds prompt "CPU type" 11011da177e4SLinus Torvalds default CPU_R4X00 11021da177e4SLinus Torvalds 11033702bba5SWu Zhangjinconfig CPU_LOONGSON2E 11043702bba5SWu Zhangjin bool "Loongson 2E" 11053702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 11063702bba5SWu Zhangjin select CPU_LOONGSON2 11072a21c730SFuxin Zhang help 11082a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 11092a21c730SFuxin Zhang with many extensions. 11102a21c730SFuxin Zhang 11116f7a251aSWu Zhangjin It has an internal FPGA northbridge, which is compatiable to 11126f7a251aSWu Zhangjin bonito64. 11136f7a251aSWu Zhangjin 11146f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 11156f7a251aSWu Zhangjin bool "Loongson 2F" 11166f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 11176f7a251aSWu Zhangjin select CPU_LOONGSON2 1118c197da91SArnaud Patard select GENERIC_GPIO 1119c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 11206f7a251aSWu Zhangjin help 11216f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 11226f7a251aSWu Zhangjin with many extensions. 11236f7a251aSWu Zhangjin 11246f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 11256f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 11266f7a251aSWu Zhangjin Loongson2E. 11276f7a251aSWu Zhangjin 11286e760c8dSRalf Baechleconfig CPU_MIPS32_R1 11296e760c8dSRalf Baechle bool "MIPS32 Release 1" 11307cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 11316e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1132797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1133ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11346e760c8dSRalf Baechle help 11355e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 11361e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 11371e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 11381e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11391e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 11401e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 11411e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 11421e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 11431e5f1caaSRalf Baechle performance. 11441e5f1caaSRalf Baechle 11451e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 11461e5f1caaSRalf Baechle bool "MIPS32 Release 2" 11477cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 11481e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1149797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1150ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11511e5f1caaSRalf Baechle help 11525e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 11536e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 11546e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 11556e760c8dSRalf Baechle specific type of processor in your system, choose those that one 11566e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 11571da177e4SLinus Torvalds 11586e760c8dSRalf Baechleconfig CPU_MIPS64_R1 11596e760c8dSRalf Baechle bool "MIPS64 Release 1" 11607cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1161797798c1SRalf Baechle select CPU_HAS_PREFETCH 1162ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1163ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1164ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11659cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 11666e760c8dSRalf Baechle help 11676e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 11686e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11696e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11706e760c8dSRalf Baechle specific type of processor in your system, choose those that one 11716e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11721e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 11731e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 11741e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 11751e5f1caaSRalf Baechle performance. 11761e5f1caaSRalf Baechle 11771e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 11781e5f1caaSRalf Baechle bool "MIPS64 Release 2" 11797cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1180797798c1SRalf Baechle select CPU_HAS_PREFETCH 11811e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11821e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1183ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11849cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 11851e5f1caaSRalf Baechle help 11861e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 11871e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11881e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11891e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11901e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11911da177e4SLinus Torvalds 11921da177e4SLinus Torvaldsconfig CPU_R3000 11931da177e4SLinus Torvalds bool "R3000" 11947cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1195f7062ddbSRalf Baechle select CPU_HAS_WB 1196ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1197797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11981da177e4SLinus Torvalds help 11991da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 12001da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 12011da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 12021da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 12031da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 12041da177e4SLinus Torvalds try to recompile with R3000. 12051da177e4SLinus Torvalds 12061da177e4SLinus Torvaldsconfig CPU_TX39XX 12071da177e4SLinus Torvalds bool "R39XX" 12087cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1209ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 12101da177e4SLinus Torvalds 12111da177e4SLinus Torvaldsconfig CPU_VR41XX 12121da177e4SLinus Torvalds bool "R41xx" 12137cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1214ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1215ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12161da177e4SLinus Torvalds help 12175e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 12181da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 12191da177e4SLinus Torvalds kernel built with this option will not run on any other type of 12201da177e4SLinus Torvalds processor or vice versa. 12211da177e4SLinus Torvalds 12221da177e4SLinus Torvaldsconfig CPU_R4300 12231da177e4SLinus Torvalds bool "R4300" 12247cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1225ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1226ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12271da177e4SLinus Torvalds help 12281da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 12291da177e4SLinus Torvalds 12301da177e4SLinus Torvaldsconfig CPU_R4X00 12311da177e4SLinus Torvalds bool "R4x00" 12327cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1233ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1234ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12351da177e4SLinus Torvalds help 12361da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 12371da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 12381da177e4SLinus Torvalds 12391da177e4SLinus Torvaldsconfig CPU_TX49XX 12401da177e4SLinus Torvalds bool "R49XX" 12417cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1242de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1243ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1244ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12451da177e4SLinus Torvalds 12461da177e4SLinus Torvaldsconfig CPU_R5000 12471da177e4SLinus Torvalds bool "R5000" 12487cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1249ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1250ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12511da177e4SLinus Torvalds help 12521da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 12531da177e4SLinus Torvalds 12541da177e4SLinus Torvaldsconfig CPU_R5432 12551da177e4SLinus Torvalds bool "R5432" 12567cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 12575e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 12585e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 12591da177e4SLinus Torvalds 1260542c1020SShinya Kuribayashiconfig CPU_R5500 1261542c1020SShinya Kuribayashi bool "R5500" 1262542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1263542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1264542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 12659cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1266542c1020SShinya Kuribayashi help 1267542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1268542c1020SShinya Kuribayashi instruction set. 1269542c1020SShinya Kuribayashi 12701da177e4SLinus Torvaldsconfig CPU_R6000 12711da177e4SLinus Torvalds bool "R6000" 1272ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12737cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1274ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 12751da177e4SLinus Torvalds help 12761da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1277c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 12781da177e4SLinus Torvalds 12791da177e4SLinus Torvaldsconfig CPU_NEVADA 12801da177e4SLinus Torvalds bool "RM52xx" 12817cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1282ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1283ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12841da177e4SLinus Torvalds help 12851da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 12861da177e4SLinus Torvalds 12871da177e4SLinus Torvaldsconfig CPU_R8000 12881da177e4SLinus Torvalds bool "R8000" 1289ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12907cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 12915e83d430SRalf Baechle select CPU_HAS_PREFETCH 1292ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12931da177e4SLinus Torvalds help 12941da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12951da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12961da177e4SLinus Torvalds 12971da177e4SLinus Torvaldsconfig CPU_R10000 12981da177e4SLinus Torvalds bool "R10000" 12997cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 13005e83d430SRalf Baechle select CPU_HAS_PREFETCH 1301ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1302ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1303797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13041da177e4SLinus Torvalds help 13051da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 13061da177e4SLinus Torvalds 13071da177e4SLinus Torvaldsconfig CPU_RM7000 13081da177e4SLinus Torvalds bool "RM7000" 13097cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 13105e83d430SRalf Baechle select CPU_HAS_PREFETCH 1311ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1312ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1313797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13141da177e4SLinus Torvalds 13151da177e4SLinus Torvaldsconfig CPU_RM9000 13161da177e4SLinus Torvalds bool "RM9000" 13177cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 13185e83d430SRalf Baechle select CPU_HAS_PREFETCH 1319ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1320ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1321797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13220004a9dfSRalf Baechle select WEAK_ORDERING 13231da177e4SLinus Torvalds 13241da177e4SLinus Torvaldsconfig CPU_SB1 13251da177e4SLinus Torvalds bool "SB1" 13267cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1327ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1328ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1329797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13300004a9dfSRalf Baechle select WEAK_ORDERING 13311da177e4SLinus Torvalds 1332a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1333a86c7f72SDavid Daney bool "Cavium Octeon processor" 13345e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1335a86c7f72SDavid Daney select IRQ_CPU 1336a86c7f72SDavid Daney select IRQ_CPU_OCTEON 1337a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1338a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1339a86c7f72SDavid Daney select SYS_SUPPORTS_SMP 1340a86c7f72SDavid Daney select NR_CPUS_DEFAULT_16 1341a86c7f72SDavid Daney select WEAK_ORDERING 1342a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 13439cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1344a86c7f72SDavid Daney help 1345a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1346a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1347a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1348a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1349a86c7f72SDavid Daney 1350c1c0c461SKevin Cernekeeconfig CPU_BMIPS3300 1351c1c0c461SKevin Cernekee bool "BMIPS3300" 1352c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS3300 1353c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1354c1c0c461SKevin Cernekee select IRQ_CPU 1355c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1356c1c0c461SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 1357c1c0c461SKevin Cernekee select WEAK_ORDERING 1358c1c0c461SKevin Cernekee help 1359c1c0c461SKevin Cernekee Broadcom BMIPS3300 processors. 1360c1c0c461SKevin Cernekee 1361c1c0c461SKevin Cernekeeconfig CPU_BMIPS4350 1362c1c0c461SKevin Cernekee bool "BMIPS4350" 1363c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS4350 1364c1c0c461SKevin Cernekee select CPU_SUPPORTS_32BIT_KERNEL 1365c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1366c1c0c461SKevin Cernekee select IRQ_CPU 1367c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1368c1c0c461SKevin Cernekee select SYS_SUPPORTS_SMP 1369c1c0c461SKevin Cernekee select SYS_SUPPORTS_HOTPLUG_CPU 1370c1c0c461SKevin Cernekee select WEAK_ORDERING 1371c1c0c461SKevin Cernekee help 1372c1c0c461SKevin Cernekee Broadcom BMIPS4350 ("VIPER") processors. 1373c1c0c461SKevin Cernekee 1374c1c0c461SKevin Cernekeeconfig CPU_BMIPS4380 1375c1c0c461SKevin Cernekee bool "BMIPS4380" 1376c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS4380 1377c1c0c461SKevin Cernekee select CPU_SUPPORTS_32BIT_KERNEL 1378c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1379c1c0c461SKevin Cernekee select IRQ_CPU 1380c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1381c1c0c461SKevin Cernekee select SYS_SUPPORTS_SMP 1382c1c0c461SKevin Cernekee select SYS_SUPPORTS_HOTPLUG_CPU 1383c1c0c461SKevin Cernekee select WEAK_ORDERING 1384c1c0c461SKevin Cernekee help 1385c1c0c461SKevin Cernekee Broadcom BMIPS4380 processors. 1386c1c0c461SKevin Cernekee 1387c1c0c461SKevin Cernekeeconfig CPU_BMIPS5000 1388c1c0c461SKevin Cernekee bool "BMIPS5000" 1389c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS5000 1390c1c0c461SKevin Cernekee select CPU_SUPPORTS_32BIT_KERNEL 1391c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 1392c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1393c1c0c461SKevin Cernekee select IRQ_CPU 1394c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1395c1c0c461SKevin Cernekee select SYS_SUPPORTS_SMP 1396c1c0c461SKevin Cernekee select SYS_SUPPORTS_HOTPLUG_CPU 1397c1c0c461SKevin Cernekee select WEAK_ORDERING 1398c1c0c461SKevin Cernekee help 1399c1c0c461SKevin Cernekee Broadcom BMIPS5000 processors. 1400c1c0c461SKevin Cernekee 14011da177e4SLinus Torvaldsendchoice 14021da177e4SLinus Torvalds 1403622844bfSWu Zhangjinif CPU_LOONGSON2F 1404622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1405622844bfSWu Zhangjin bool 1406622844bfSWu Zhangjin 1407622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1408622844bfSWu Zhangjin bool 1409622844bfSWu Zhangjin 1410622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1411622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1412622844bfSWu Zhangjin default y 1413622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1414622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1415622844bfSWu Zhangjin help 1416622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1417622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1418622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1419622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1420622844bfSWu Zhangjin 1421622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1422622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1423622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1424622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1425622844bfSWu Zhangjin systems. 1426622844bfSWu Zhangjin 1427622844bfSWu Zhangjin If unsure, please say Y. 1428622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1429622844bfSWu Zhangjin 14301b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 14311b93b3c3SWu Zhangjin bool 14321b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 14331b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 14341b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1435fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 14361b93b3c3SWu Zhangjin 14371b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 14381b93b3c3SWu Zhangjin bool 14391b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 14401b93b3c3SWu Zhangjin 14413702bba5SWu Zhangjinconfig CPU_LOONGSON2 14423702bba5SWu Zhangjin bool 14433702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 14443702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 14453702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 14463702bba5SWu Zhangjin 14473702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 14482a21c730SFuxin Zhang bool 14492a21c730SFuxin Zhang 14506f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 14516f7a251aSWu Zhangjin bool 145255045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 145355045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 145422f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 14556f7a251aSWu Zhangjin 14567cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 14577cf8053bSRalf Baechle bool 14587cf8053bSRalf Baechle 14597cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 14607cf8053bSRalf Baechle bool 14617cf8053bSRalf Baechle 14627cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 14637cf8053bSRalf Baechle bool 14647cf8053bSRalf Baechle 14657cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 14667cf8053bSRalf Baechle bool 14677cf8053bSRalf Baechle 14687cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 14697cf8053bSRalf Baechle bool 14707cf8053bSRalf Baechle 14717cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 14727cf8053bSRalf Baechle bool 14737cf8053bSRalf Baechle 14747cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 14757cf8053bSRalf Baechle bool 14767cf8053bSRalf Baechle 14777cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 14787cf8053bSRalf Baechle bool 14797cf8053bSRalf Baechle 14807cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 14817cf8053bSRalf Baechle bool 14827cf8053bSRalf Baechle 14837cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 14847cf8053bSRalf Baechle bool 14857cf8053bSRalf Baechle 14867cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 14877cf8053bSRalf Baechle bool 14887cf8053bSRalf Baechle 14897cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 14907cf8053bSRalf Baechle bool 14917cf8053bSRalf Baechle 1492542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1493542c1020SShinya Kuribayashi bool 1494542c1020SShinya Kuribayashi 14957cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 14967cf8053bSRalf Baechle bool 14977cf8053bSRalf Baechle 14987cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 14997cf8053bSRalf Baechle bool 15007cf8053bSRalf Baechle 15017cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 15027cf8053bSRalf Baechle bool 15037cf8053bSRalf Baechle 15047cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 15057cf8053bSRalf Baechle bool 15067cf8053bSRalf Baechle 15077cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 15087cf8053bSRalf Baechle bool 15097cf8053bSRalf Baechle 15107cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 15117cf8053bSRalf Baechle bool 15127cf8053bSRalf Baechle 15137cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 15147cf8053bSRalf Baechle bool 15157cf8053bSRalf Baechle 15165e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 15175e683389SDavid Daney bool 15185e683389SDavid Daney 1519c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS3300 1520c1c0c461SKevin Cernekee bool 1521c1c0c461SKevin Cernekee 1522c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1523c1c0c461SKevin Cernekee bool 1524c1c0c461SKevin Cernekee 1525c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1526c1c0c461SKevin Cernekee bool 1527c1c0c461SKevin Cernekee 1528c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1529c1c0c461SKevin Cernekee bool 1530c1c0c461SKevin Cernekee 153117099b11SRalf Baechle# 153217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 153317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 153417099b11SRalf Baechle# 15350004a9dfSRalf Baechleconfig WEAK_ORDERING 15360004a9dfSRalf Baechle bool 153717099b11SRalf Baechle 153817099b11SRalf Baechle# 153917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 154017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 154117099b11SRalf Baechle# 154217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 154317099b11SRalf Baechle bool 15445e83d430SRalf Baechleendmenu 15455e83d430SRalf Baechle 15465e83d430SRalf Baechle# 15475e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 15485e83d430SRalf Baechle# 15495e83d430SRalf Baechleconfig CPU_MIPS32 15505e83d430SRalf Baechle bool 15515e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 15525e83d430SRalf Baechle 15535e83d430SRalf Baechleconfig CPU_MIPS64 15545e83d430SRalf Baechle bool 15555e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 15565e83d430SRalf Baechle 15575e83d430SRalf Baechle# 1558c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 15595e83d430SRalf Baechle# 15605e83d430SRalf Baechleconfig CPU_MIPSR1 15615e83d430SRalf Baechle bool 15625e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 15635e83d430SRalf Baechle 15645e83d430SRalf Baechleconfig CPU_MIPSR2 15655e83d430SRalf Baechle bool 1566a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 15675e83d430SRalf Baechle 15685e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 15695e83d430SRalf Baechle bool 15705e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 15715e83d430SRalf Baechle bool 15725e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 15735e83d430SRalf Baechle bool 15745e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 15755e83d430SRalf Baechle bool 157655045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 157755045ff5SWu Zhangjin bool 157855045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 157955045ff5SWu Zhangjin bool 15809cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 15819cffd154SDavid Daney bool 158222f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 158322f1fdfdSWu Zhangjin bool 158482622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 158582622284SDavid Daney bool 158682622284SDavid Daney default y if 64BIT && CPU_MIPSR2 15875e83d430SRalf Baechle 15888192c9eaSDavid Daney# 15898192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 15908192c9eaSDavid Daney# 15918192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 15928192c9eaSDavid Daney bool 1593f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 15948192c9eaSDavid Daney 15955e83d430SRalf Baechlemenu "Kernel type" 15965e83d430SRalf Baechle 15975e83d430SRalf Baechlechoice 15985e83d430SRalf Baechle 15995e83d430SRalf Baechle prompt "Kernel code model" 16005e83d430SRalf Baechle help 16015e83d430SRalf Baechle You should only select this option if you have a workload that 16025e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 16035e83d430SRalf Baechle large memory. You will only be presented a single option in this 16045e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 16055e83d430SRalf Baechle 16065e83d430SRalf Baechleconfig 32BIT 16075e83d430SRalf Baechle bool "32-bit kernel" 16085e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 16095e83d430SRalf Baechle select TRAD_SIGNALS 16105e83d430SRalf Baechle help 16115e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 16125e83d430SRalf Baechleconfig 64BIT 16135e83d430SRalf Baechle bool "64-bit kernel" 16145e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1615dbda6ac0SRalf Baechle select HAVE_SYSCALL_WRAPPERS 16165e83d430SRalf Baechle help 16175e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 16185e83d430SRalf Baechle 16195e83d430SRalf Baechleendchoice 16205e83d430SRalf Baechle 16211da177e4SLinus Torvaldschoice 16221da177e4SLinus Torvalds prompt "Kernel page size" 16231da177e4SLinus Torvalds default PAGE_SIZE_4KB 16241da177e4SLinus Torvalds 16251da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 16261da177e4SLinus Torvalds bool "4kB" 1627315fe625SWu Zhangjin depends on !CPU_LOONGSON2 16281da177e4SLinus Torvalds help 16291da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 16301da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 16311da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 16321da177e4SLinus Torvalds recommended for low memory systems. 16331da177e4SLinus Torvalds 16341da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 16351da177e4SLinus Torvalds bool "8kB" 1636c52399beSRalf Baechle depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 16371da177e4SLinus Torvalds help 16381da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 16391da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1640c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1641c52399beSRalf Baechle suitable Linux distribution to support this. 16421da177e4SLinus Torvalds 16431da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 16441da177e4SLinus Torvalds bool "16kB" 1645714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 16461da177e4SLinus Torvalds help 16471da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 16481da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1649714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1650714bfad6SRalf Baechle Linux distribution to support this. 16511da177e4SLinus Torvalds 1652c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1653c52399beSRalf Baechle bool "32kB" 1654c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1655c52399beSRalf Baechle help 1656c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1657c52399beSRalf Baechle the price of higher memory consumption. This option is available 1658c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1659c52399beSRalf Baechle distribution to support this. 1660c52399beSRalf Baechle 16611da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 16621da177e4SLinus Torvalds bool "64kB" 16631da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 16641da177e4SLinus Torvalds help 16651da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 16661da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 16671da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1668714bfad6SRalf Baechle writing this option is still high experimental. 16691da177e4SLinus Torvalds 16701da177e4SLinus Torvaldsendchoice 16711da177e4SLinus Torvalds 1672c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 1673c9bace7cSDavid Daney int "Maximum zone order" 1674c9bace7cSDavid Daney range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB 1675c9bace7cSDavid Daney default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB 1676c9bace7cSDavid Daney range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB 1677c9bace7cSDavid Daney default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB 1678c9bace7cSDavid Daney range 11 64 1679c9bace7cSDavid Daney default "11" 1680c9bace7cSDavid Daney help 1681c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 1682c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 1683c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 1684c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 1685c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 1686c9bace7cSDavid Daney increase this value. 1687c9bace7cSDavid Daney 1688c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 1689c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 1690c9bace7cSDavid Daney 1691c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 1692c9bace7cSDavid Daney when choosing a value for this option. 1693c9bace7cSDavid Daney 16941da177e4SLinus Torvaldsconfig BOARD_SCACHE 16951da177e4SLinus Torvalds bool 16961da177e4SLinus Torvalds 16971da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 16981da177e4SLinus Torvalds bool 16991da177e4SLinus Torvalds select BOARD_SCACHE 17001da177e4SLinus Torvalds 17019318c51aSChris Dearman# 17029318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 17039318c51aSChris Dearman# 17049318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 17059318c51aSChris Dearman bool 17069318c51aSChris Dearman select BOARD_SCACHE 17079318c51aSChris Dearman 17081da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 17091da177e4SLinus Torvalds bool 17101da177e4SLinus Torvalds select BOARD_SCACHE 17111da177e4SLinus Torvalds 17121da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 17131da177e4SLinus Torvalds bool 17141da177e4SLinus Torvalds select BOARD_SCACHE 17151da177e4SLinus Torvalds 17161da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 17171da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 17181da177e4SLinus Torvalds depends on CPU_SB1 17191da177e4SLinus Torvalds help 17201da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 17211da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 17221da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 17231da177e4SLinus Torvalds 17241da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1725c8094b53SRalf Baechle bool 17261da177e4SLinus Torvalds 1727340ee4b9SRalf Baechlechoice 1728340ee4b9SRalf Baechle prompt "MIPS MT options" 1729f41ae0b2SRalf Baechle 1730f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1731f41ae0b2SRalf Baechle bool "Disable multithreading support." 1732f41ae0b2SRalf Baechle help 1733f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1734f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1735f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1736f41ae0b2SRalf Baechle option in this menu. 1737340ee4b9SRalf Baechle 173859d6ab86SRalf Baechleconfig MIPS_MT_SMP 173959d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 174059d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 174159d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1742d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 174359d6ab86SRalf Baechle select MIPS_MT 1744f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 174559d6ab86SRalf Baechle select SMP 17460ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 174759d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 174887353d8aSRalf Baechle select SMP_UP 174959d6ab86SRalf Baechle help 175025f12b33SRalf Baechle This is a kernel model which is known a VSMP but lately has been 175125f12b33SRalf Baechle marketesed into SMVP. 175225f12b33SRalf Baechle Virtual SMP uses the processor's VPEs to implement virtual 175325f12b33SRalf Baechle processors. In currently available configuration of the 34K processor 175425f12b33SRalf Baechle this allows for a dual processor. Both processors will share the same 175525f12b33SRalf Baechle primary caches; each will obtain the half of the TLB for it's own 175625f12b33SRalf Baechle exclusive use. For a layman this model can be described as similar to 175725f12b33SRalf Baechle what Intel calls Hyperthreading. 175825f12b33SRalf Baechle 175925f12b33SRalf Baechle For further information see http://www.linux-mips.org/wiki/34K#VSMP 176059d6ab86SRalf Baechle 176141c594abSRalf Baechleconfig MIPS_MT_SMTC 176241c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1763f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1764f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1765f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1766f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1767d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1768f41ae0b2SRalf Baechle select MIPS_MT 1769130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 177041c594abSRalf Baechle select SMP 177173b76c78SRalf Baechle select SYS_SUPPORTS_SMP 177287353d8aSRalf Baechle select SMP_UP 1773f41ae0b2SRalf Baechle help 1774f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1775f41ae0b2SRalf Baechle marketesed into SMVP. 177625f12b33SRalf Baechle is presenting the available TC's of the core as processors to Linux. 177725f12b33SRalf Baechle On currently available 34K processors this means a Linux system will 177825f12b33SRalf Baechle see up to 5 processors. The implementation of the SMTC kernel differs 177925f12b33SRalf Baechle significantly from VSMP and cannot efficiently coexist in the same 178025f12b33SRalf Baechle kernel binary so the choice between VSMP and SMTC is a compile time 178125f12b33SRalf Baechle decision. 178225f12b33SRalf Baechle 178325f12b33SRalf Baechle For further information see http://www.linux-mips.org/wiki/34K#SMTC 178441c594abSRalf Baechle 1785340ee4b9SRalf Baechleendchoice 1786340ee4b9SRalf Baechle 1787f41ae0b2SRalf Baechleconfig MIPS_MT 1788f41ae0b2SRalf Baechle bool 1789f41ae0b2SRalf Baechle 17900ab7aefcSRalf Baechleconfig SCHED_SMT 17910ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 17920ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 17930ab7aefcSRalf Baechle default n 17940ab7aefcSRalf Baechle help 17950ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 17960ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 17970ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 17980ab7aefcSRalf Baechle 17990ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 18000ab7aefcSRalf Baechle bool 18010ab7aefcSRalf Baechle 18020ab7aefcSRalf Baechle 1803f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1804f41ae0b2SRalf Baechle bool 1805f41ae0b2SRalf Baechle 1806f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1807f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1808f088fc84SRalf Baechle default y 180907cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 181007cc0c9eSRalf Baechle 181107cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 181207cc0c9eSRalf Baechle bool "VPE loader support." 181307cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 181407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 181507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 181607cc0c9eSRalf Baechle select MIPS_MT 181707cc0c9eSRalf Baechle help 181807cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 181907cc0c9eSRalf Baechle onto another VPE and running it. 1820f088fc84SRalf Baechle 18210db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 18220db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 18230db34215SKevin D. Kissell depends on MIPS_MT_SMTC 18248531a35eSKevin D. Kissell default n 18250db34215SKevin D. Kissell help 18260db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 18270db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 18280db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 18290db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 18300db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 18318531a35eSKevin D. Kissell impact on interrupt service overhead. 18320db34215SKevin D. Kissell 1833f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1834f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1835f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1836f571eff0SKevin D. Kissell default n 1837f571eff0SKevin D. Kissell help 1838f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1839f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1840f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 18418531a35eSKevin D. Kissell platform code. Adds some overhead to interrupt dispatch, and 18428531a35eSKevin D. Kissell should be used only if you know what you are doing. 1843f571eff0SKevin D. Kissell 1844e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1845e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1846e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1847e01402b1SRalf Baechle default y 1848e01402b1SRalf Baechle help 1849e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1850e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1851e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1852e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1853e01402b1SRalf Baechle 1854e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1855e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1856e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1857e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 18585e83d430SRalf Baechle help 1859e01402b1SRalf Baechle 18602600990eSRalf Baechleconfig MIPS_APSP_KSPD 18612600990eSRalf Baechle bool "Enable KSPD" 18622600990eSRalf Baechle depends on MIPS_VPE_APSP_API 18632600990eSRalf Baechle default y 18642600990eSRalf Baechle help 18652600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 18662600990eSRalf Baechle side, actions them and returns the results. It also handles the 18672600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 18682600990eSRalf Baechle exiting. You probably want to say yes here. 18692600990eSRalf Baechle 18704a16ff4cSRalf Baechleconfig MIPS_CMP 18714a16ff4cSRalf Baechle bool "MIPS CMP framework support" 18724a16ff4cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 1873eb9b5141STim Anderson select SYNC_R4K 18744a16ff4cSRalf Baechle select SYS_SUPPORTS_SMP 18754a16ff4cSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 18764a16ff4cSRalf Baechle select WEAK_ORDERING 18774a16ff4cSRalf Baechle default n 18784a16ff4cSRalf Baechle help 18794a16ff4cSRalf Baechle This is a placeholder option for the GCMP work. It will need to 18804a16ff4cSRalf Baechle be handled differently... 18814a16ff4cSRalf Baechle 18821da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 18831da177e4SLinus Torvalds bool 18841da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 18851da177e4SLinus Torvalds default y 18861da177e4SLinus Torvalds 18871da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 18881da177e4SLinus Torvalds bool 18891da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 18901da177e4SLinus Torvalds default y 18911da177e4SLinus Torvalds 18921da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 18931da177e4SLinus Torvalds bool 18941da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 18951da177e4SLinus Torvalds default y 18961da177e4SLinus Torvalds 18971da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1898d806cb2bSRalf Baechle bool 18991da177e4SLinus Torvalds 190060ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 190160ec6571Spascal@pabr.org def_bool 64BIT_PHYS_ADDR 190260ec6571Spascal@pabr.org 19039693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 19049693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 19059693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 19069693a853SFranck Bui-Huu help 19079693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 19089693a853SFranck Bui-Huu increased security at both hardware and software level for 19099693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 19109693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 19119693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 19129693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 19139693a853SFranck Bui-Huu here. 19149693a853SFranck Bui-Huu 19151da177e4SLinus Torvaldsconfig CPU_HAS_WB 1916f7062ddbSRalf Baechle bool 1917e01402b1SRalf Baechle 1918f41ae0b2SRalf Baechle# 1919f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1920f41ae0b2SRalf Baechle# 1921e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1922f41ae0b2SRalf Baechle bool 1923e01402b1SRalf Baechle 1924f41ae0b2SRalf Baechle# 1925f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1926f41ae0b2SRalf Baechle# 1927e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1928f41ae0b2SRalf Baechle bool 1929e01402b1SRalf Baechle 19301da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 19311da177e4SLinus Torvalds bool 19321da177e4SLinus Torvalds depends on !CPU_R3000 19331da177e4SLinus Torvalds default y 19341da177e4SLinus Torvalds 1935ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1936ea580401SRalf Baechle bool 1937ea580401SRalf Baechle 19381da177e4SLinus Torvalds# 193920d60d99SMaciej W. Rozycki# CPU non-features 194020d60d99SMaciej W. Rozycki# 194120d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 194220d60d99SMaciej W. Rozycki bool 194320d60d99SMaciej W. Rozycki 194420d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 194520d60d99SMaciej W. Rozycki bool 194620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 194720d60d99SMaciej W. Rozycki 194820d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 194920d60d99SMaciej W. Rozycki bool 195020d60d99SMaciej W. Rozycki 195120d60d99SMaciej W. Rozycki# 19521da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 19531da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 19541da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 19551da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 19561da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 19571da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 19581da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 19591da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1960797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1961797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1962797798c1SRalf Baechle# support. 19631da177e4SLinus Torvalds# 19641da177e4SLinus Torvaldsconfig HIGHMEM 19651da177e4SLinus Torvalds bool "High Memory Support" 1966797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1967797798c1SRalf Baechle 1968797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1969797798c1SRalf Baechle bool 1970797798c1SRalf Baechle 1971797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1972797798c1SRalf Baechle bool 19731da177e4SLinus Torvalds 19749693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 19759693a853SFranck Bui-Huu bool 19769693a853SFranck Bui-Huu 1977b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1978b4819b59SYoichi Yuasa def_bool y 1979f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 1980b4819b59SYoichi Yuasa 1981d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1982d8cb4e11SRalf Baechle bool 1983d8cb4e11SRalf Baechle default y if SGI_IP27 1984d8cb4e11SRalf Baechle help 19853dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1986d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1987d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1988d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1989d8cb4e11SRalf Baechle 1990cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1991cce335aeSRalf Baechle def_bool y 1992cce335aeSRalf Baechle 1993b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1994b1c6cd42SAtsushi Nemoto bool 19957de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 199631473747SAtsushi Nemoto 1997d8cb4e11SRalf Baechleconfig NUMA 1998d8cb4e11SRalf Baechle bool "NUMA Support" 1999d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2000d8cb4e11SRalf Baechle help 2001d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2002d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2003d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2004d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2005d8cb4e11SRalf Baechle disabled. 2006d8cb4e11SRalf Baechle 2007d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2008d8cb4e11SRalf Baechle bool 2009d8cb4e11SRalf Baechle 2010c80d79d7SYasunori Gotoconfig NODES_SHIFT 2011c80d79d7SYasunori Goto int 2012c80d79d7SYasunori Goto default "6" 2013c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2014c80d79d7SYasunori Goto 201514f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 201614f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 201714f70012SDeng-Cheng Zhu depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32 201814f70012SDeng-Cheng Zhu default y 201914f70012SDeng-Cheng Zhu help 202014f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 202114f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 202214f70012SDeng-Cheng Zhu 2023b4819b59SYoichi Yuasasource "mm/Kconfig" 2024b4819b59SYoichi Yuasa 20251da177e4SLinus Torvaldsconfig SMP 20261da177e4SLinus Torvalds bool "Multi-Processing support" 2027e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2028b4b30a5aSRalf Baechle select IRQ_PER_CPU 20292f304c0aSJens Axboe select USE_GENERIC_SMP_HELPERS 2030e73ea273SRalf Baechle help 20311da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 20321da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 20331da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 20341da177e4SLinus Torvalds 20351da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 20361da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 20371da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 20381da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 20391da177e4SLinus Torvalds will run faster if you say N here. 20401da177e4SLinus Torvalds 20411da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 20421da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 20431da177e4SLinus Torvalds 204403502faaSAdrian Bunk See also the SMP-HOWTO available at 204503502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 20461da177e4SLinus Torvalds 20471da177e4SLinus Torvalds If you don't know what to do here, say N. 20481da177e4SLinus Torvalds 204987353d8aSRalf Baechleconfig SMP_UP 205087353d8aSRalf Baechle bool 205187353d8aSRalf Baechle 20524a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 20534a16ff4cSRalf Baechle bool 20544a16ff4cSRalf Baechle 2055e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2056e73ea273SRalf Baechle bool 2057e73ea273SRalf Baechle 205872ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 205972ede9b1SAtsushi Nemoto bool 206072ede9b1SAtsushi Nemoto 2061130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 2062130e2fb7SRalf Baechle bool 2063130e2fb7SRalf Baechle 2064130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2065130e2fb7SRalf Baechle bool 2066130e2fb7SRalf Baechle 2067130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2068130e2fb7SRalf Baechle bool 2069130e2fb7SRalf Baechle 2070130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2071130e2fb7SRalf Baechle bool 2072130e2fb7SRalf Baechle 2073130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2074130e2fb7SRalf Baechle bool 2075130e2fb7SRalf Baechle 2076130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2077130e2fb7SRalf Baechle bool 2078130e2fb7SRalf Baechle 20791da177e4SLinus Torvaldsconfig NR_CPUS 20801da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 208172ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 20821da177e4SLinus Torvalds depends on SMP 208372ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 2084130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 2085130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2086130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2087130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2088130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2089130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 20901da177e4SLinus Torvalds help 20911da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 20921da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 20931da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 209472ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 209572ede9b1SAtsushi Nemoto and 2 for all others. 20961da177e4SLinus Torvalds 20971da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 209872ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 209972ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 210072ede9b1SAtsushi Nemoto power of two. 21011da177e4SLinus Torvalds 2102c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 2103c4eee283SAtsushi Nemoto 21041723b4a3SAtsushi Nemoto# 21051723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 21061723b4a3SAtsushi Nemoto# 21071723b4a3SAtsushi Nemoto 21081723b4a3SAtsushi Nemotochoice 21091723b4a3SAtsushi Nemoto prompt "Timer frequency" 21101723b4a3SAtsushi Nemoto default HZ_250 21111723b4a3SAtsushi Nemoto help 21121723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 21131723b4a3SAtsushi Nemoto 21141723b4a3SAtsushi Nemoto config HZ_48 21150f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 21161723b4a3SAtsushi Nemoto 21171723b4a3SAtsushi Nemoto config HZ_100 21181723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 21191723b4a3SAtsushi Nemoto 21201723b4a3SAtsushi Nemoto config HZ_128 21211723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 21221723b4a3SAtsushi Nemoto 21231723b4a3SAtsushi Nemoto config HZ_250 21241723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 21251723b4a3SAtsushi Nemoto 21261723b4a3SAtsushi Nemoto config HZ_256 21271723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 21281723b4a3SAtsushi Nemoto 21291723b4a3SAtsushi Nemoto config HZ_1000 21301723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 21311723b4a3SAtsushi Nemoto 21321723b4a3SAtsushi Nemoto config HZ_1024 21331723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 21341723b4a3SAtsushi Nemoto 21351723b4a3SAtsushi Nemotoendchoice 21361723b4a3SAtsushi Nemoto 21371723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 21381723b4a3SAtsushi Nemoto bool 21391723b4a3SAtsushi Nemoto 21401723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 21411723b4a3SAtsushi Nemoto bool 21421723b4a3SAtsushi Nemoto 21431723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 21441723b4a3SAtsushi Nemoto bool 21451723b4a3SAtsushi Nemoto 21461723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 21471723b4a3SAtsushi Nemoto bool 21481723b4a3SAtsushi Nemoto 21491723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 21501723b4a3SAtsushi Nemoto bool 21511723b4a3SAtsushi Nemoto 21521723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 21531723b4a3SAtsushi Nemoto bool 21541723b4a3SAtsushi Nemoto 21551723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 21561723b4a3SAtsushi Nemoto bool 21571723b4a3SAtsushi Nemoto 21581723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 21591723b4a3SAtsushi Nemoto bool 21601723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 21611723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 21621723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 21631723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 21641723b4a3SAtsushi Nemoto 21651723b4a3SAtsushi Nemotoconfig HZ 21661723b4a3SAtsushi Nemoto int 21671723b4a3SAtsushi Nemoto default 48 if HZ_48 21681723b4a3SAtsushi Nemoto default 100 if HZ_100 21691723b4a3SAtsushi Nemoto default 128 if HZ_128 21701723b4a3SAtsushi Nemoto default 250 if HZ_250 21711723b4a3SAtsushi Nemoto default 256 if HZ_256 21721723b4a3SAtsushi Nemoto default 1000 if HZ_1000 21731723b4a3SAtsushi Nemoto default 1024 if HZ_1024 21741723b4a3SAtsushi Nemoto 2175e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 21761da177e4SLinus Torvalds 21771da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 21781da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 2179875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 21801da177e4SLinus Torvalds help 21811da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 21821da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 21831da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 21841da177e4SLinus Torvalds This will result in additional memory usage, so it is not 21851da177e4SLinus Torvalds recommended for normal users. 21861da177e4SLinus Torvalds 2187ea6e942bSAtsushi Nemotoconfig KEXEC 2188ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 2189ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 2190ea6e942bSAtsushi Nemoto help 2191ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2192ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 21933dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2194ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2195ea6e942bSAtsushi Nemoto 219601dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2197ea6e942bSAtsushi Nemoto 2198ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2199ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2200ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 2201ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 2202ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 2203ea6e942bSAtsushi Nemoto 2204ea6e942bSAtsushi Nemotoconfig SECCOMP 2205ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2206293c5bd1SRalf Baechle depends on PROC_FS 2207ea6e942bSAtsushi Nemoto default y 2208ea6e942bSAtsushi Nemoto help 2209ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2210ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2211ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2212ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2213ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2214ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2215ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2216ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2217ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2218ea6e942bSAtsushi Nemoto 2219ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2220ea6e942bSAtsushi Nemoto 2221f2ffa5abSDezhong Diaoconfig USE_OF 2222f2ffa5abSDezhong Diao bool "Flattened Device Tree support" 2223f2ffa5abSDezhong Diao select OF 2224e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2225f2ffa5abSDezhong Diao help 2226f2ffa5abSDezhong Diao Include support for flattened device tree machine descriptions. 2227f2ffa5abSDezhong Diao 22285e83d430SRalf Baechleendmenu 22295e83d430SRalf Baechle 22301df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 22311df0f0ffSAtsushi Nemoto bool 22321df0f0ffSAtsushi Nemoto default y 22331df0f0ffSAtsushi Nemoto 22341df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 22351df0f0ffSAtsushi Nemoto bool 22361df0f0ffSAtsushi Nemoto default y 22371df0f0ffSAtsushi Nemoto 2238b6c3539bSRalf Baechlesource "init/Kconfig" 2239b6c3539bSRalf Baechle 2240dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2241dc52ddc0SMatt Helsley 22421da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 22431da177e4SLinus Torvalds 22445e83d430SRalf Baechleconfig HW_HAS_EISA 22455e83d430SRalf Baechle bool 22461da177e4SLinus Torvaldsconfig HW_HAS_PCI 22471da177e4SLinus Torvalds bool 22481da177e4SLinus Torvalds 22491da177e4SLinus Torvaldsconfig PCI 22501da177e4SLinus Torvalds bool "Support for PCI controller" 22511da177e4SLinus Torvalds depends on HW_HAS_PCI 2252abb4ae46SRalf Baechle select PCI_DOMAINS 22531da177e4SLinus Torvalds help 22541da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 22551da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 22561da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 22571da177e4SLinus Torvalds say Y, otherwise N. 22581da177e4SLinus Torvalds 22591da177e4SLinus Torvaldsconfig PCI_DOMAINS 22601da177e4SLinus Torvalds bool 22611da177e4SLinus Torvalds 22621da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 22631da177e4SLinus Torvalds 22641da177e4SLinus Torvalds# 22651da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 22661da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 22671da177e4SLinus Torvalds# users to choose the right thing ... 22681da177e4SLinus Torvalds# 22691da177e4SLinus Torvaldsconfig ISA 22701da177e4SLinus Torvalds bool 22711da177e4SLinus Torvalds 22721da177e4SLinus Torvaldsconfig EISA 22731da177e4SLinus Torvalds bool "EISA support" 22745e83d430SRalf Baechle depends on HW_HAS_EISA 22751da177e4SLinus Torvalds select ISA 2276aa414dffSRalf Baechle select GENERIC_ISA_DMA 22771da177e4SLinus Torvalds ---help--- 22781da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 22791da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 22801da177e4SLinus Torvalds 22811da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 22821da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 22831da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 22841da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 22851da177e4SLinus Torvalds 22861da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 22871da177e4SLinus Torvalds 22881da177e4SLinus Torvalds Otherwise, say N. 22891da177e4SLinus Torvalds 22901da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 22911da177e4SLinus Torvalds 22921da177e4SLinus Torvaldsconfig TC 22931da177e4SLinus Torvalds bool "TURBOchannel support" 22941da177e4SLinus Torvalds depends on MACH_DECSTATION 22951da177e4SLinus Torvalds help 229650a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 229750a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 229850a23e6eSJustin P. Mattock at: 229950a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 230050a23e6eSJustin P. Mattock and: 230150a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 230250a23e6eSJustin P. Mattock Linux driver support status is documented at: 230350a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 23041da177e4SLinus Torvalds 23051da177e4SLinus Torvalds#config ACCESSBUS 23061da177e4SLinus Torvalds# bool "Access.Bus support" 23071da177e4SLinus Torvalds# depends on TC 23081da177e4SLinus Torvalds 23091da177e4SLinus Torvaldsconfig MMU 23101da177e4SLinus Torvalds bool 23111da177e4SLinus Torvalds default y 23121da177e4SLinus Torvalds 2313d865bea4SRalf Baechleconfig I8253 2314d865bea4SRalf Baechle bool 23159726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2316d865bea4SRalf Baechle 2317cce335aeSRalf Baechleconfig ZONE_DMA32 2318cce335aeSRalf Baechle bool 2319cce335aeSRalf Baechle 23201da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 23211da177e4SLinus Torvalds 23221da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 23231da177e4SLinus Torvalds 23241da177e4SLinus Torvaldsendmenu 23251da177e4SLinus Torvalds 23261da177e4SLinus Torvaldsmenu "Executable file formats" 23271da177e4SLinus Torvalds 23281da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 23291da177e4SLinus Torvalds 23301da177e4SLinus Torvaldsconfig TRAD_SIGNALS 23311da177e4SLinus Torvalds bool 23321da177e4SLinus Torvalds 23331da177e4SLinus Torvaldsconfig MIPS32_COMPAT 23341da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2335875d43e7SRalf Baechle depends on 64BIT 23361da177e4SLinus Torvalds help 23371da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 23381da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 23391da177e4SLinus Torvalds currently 32-bit you should say Y here. 23401da177e4SLinus Torvalds 23411da177e4SLinus Torvaldsconfig COMPAT 23421da177e4SLinus Torvalds bool 23431da177e4SLinus Torvalds depends on MIPS32_COMPAT 23441da177e4SLinus Torvalds default y 23451da177e4SLinus Torvalds 234605e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 234705e43966SAtsushi Nemoto bool 234805e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 234905e43966SAtsushi Nemoto default y 235005e43966SAtsushi Nemoto 23511da177e4SLinus Torvaldsconfig MIPS32_O32 23521da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 23531da177e4SLinus Torvalds depends on MIPS32_COMPAT 23541da177e4SLinus Torvalds help 23551da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 23561da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 23571da177e4SLinus Torvalds existing binaries are in this format. 23581da177e4SLinus Torvalds 23591da177e4SLinus Torvalds If unsure, say Y. 23601da177e4SLinus Torvalds 23611da177e4SLinus Torvaldsconfig MIPS32_N32 23621da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 23631da177e4SLinus Torvalds depends on MIPS32_COMPAT 23641da177e4SLinus Torvalds help 23651da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 23661da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 23671da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 23681da177e4SLinus Torvalds cases. 23691da177e4SLinus Torvalds 23701da177e4SLinus Torvalds If unsure, say N. 23711da177e4SLinus Torvalds 23721da177e4SLinus Torvaldsconfig BINFMT_ELF32 23731da177e4SLinus Torvalds bool 23741da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 23751da177e4SLinus Torvalds 23762116245eSRalf Baechleendmenu 23771da177e4SLinus Torvalds 23782116245eSRalf Baechlemenu "Power management options" 2379952fa954SRodolfo Giometti 2380363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2381363c55caSWu Zhangjin def_bool y 23823f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2383363c55caSWu Zhangjin 2384f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2385f4cb5700SJohannes Berg def_bool y 23863f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2387f4cb5700SJohannes Berg 23882116245eSRalf Baechlesource "kernel/power/Kconfig" 2389952fa954SRodolfo Giometti 23901da177e4SLinus Torvaldsendmenu 23911da177e4SLinus Torvalds 23929726b43aSWu Zhangjinsource "arch/mips/kernel/cpufreq/Kconfig" 23939726b43aSWu Zhangjin 2394d5950b43SSam Ravnborgsource "net/Kconfig" 2395d5950b43SSam Ravnborg 23961da177e4SLinus Torvaldssource "drivers/Kconfig" 23971da177e4SLinus Torvalds 23981da177e4SLinus Torvaldssource "fs/Kconfig" 23991da177e4SLinus Torvalds 24001da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 24011da177e4SLinus Torvalds 24021da177e4SLinus Torvaldssource "security/Kconfig" 24031da177e4SLinus Torvalds 24041da177e4SLinus Torvaldssource "crypto/Kconfig" 24051da177e4SLinus Torvalds 24061da177e4SLinus Torvaldssource "lib/Kconfig" 2407