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 886d388d685SMaciej W. Rozyckiconfig NO_IOPORT 887d388d685SMaciej W. Rozycki def_bool n 888d388d685SMaciej W. Rozycki 8898313da30SRalf Baechleconfig GENERIC_ISA_DMA 8908313da30SRalf Baechle bool 8918313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 892a35bee8aSNamhyung Kim select ISA_DMA_API 8938313da30SRalf Baechle 894aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 895aa414dffSRalf Baechle bool 8968313da30SRalf Baechle select GENERIC_ISA_DMA 897aa414dffSRalf Baechle 898a35bee8aSNamhyung Kimconfig ISA_DMA_API 899a35bee8aSNamhyung Kim bool 900a35bee8aSNamhyung Kim 90109663335SYoichi Yuasaconfig GENERIC_GPIO 90209663335SYoichi Yuasa bool 90309663335SYoichi Yuasa 9045e83d430SRalf Baechle# 9053cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 9065e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 9075e83d430SRalf Baechle# choice statement should be more obvious to the user. 9085e83d430SRalf Baechle# 9095e83d430SRalf Baechlechoice 9105e83d430SRalf Baechle prompt "Endianess selection" 9111da177e4SLinus Torvalds help 9121da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 9135e83d430SRalf Baechle byte order. These modes require different kernels and a different 9143cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 9155e83d430SRalf Baechle particular system but some systems are just as commonly used in the 9163dde6ad8SDavid Sterba one or the other endianness. 9175e83d430SRalf Baechle 9185e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 9195e83d430SRalf Baechle bool "Big endian" 9205e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 9215e83d430SRalf Baechle 9225e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 9235e83d430SRalf Baechle bool "Little endian" 9245e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 9255e83d430SRalf Baechle help 9265e83d430SRalf Baechle 9275e83d430SRalf Baechleendchoice 9285e83d430SRalf Baechle 92922b0763aSDavid Daneyconfig EXPORT_UASM 93022b0763aSDavid Daney bool 93122b0763aSDavid Daney 9322116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 9332116245eSRalf Baechle bool 9342116245eSRalf Baechle 9355e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 9365e83d430SRalf Baechle bool 9375e83d430SRalf Baechle 9385e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 9395e83d430SRalf Baechle bool 9401da177e4SLinus Torvalds 9419cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 9429cffd154SDavid Daney bool 9439cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 9449cffd154SDavid Daney default y 9459cffd154SDavid Daney 9461da177e4SLinus Torvaldsconfig IRQ_CPU 9471da177e4SLinus Torvalds bool 9481da177e4SLinus Torvalds 9491da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 9501da177e4SLinus Torvalds bool 9511da177e4SLinus Torvalds 9525e83d430SRalf Baechleconfig IRQ_CPU_RM9K 9535e83d430SRalf Baechle bool 9545e83d430SRalf Baechle 9559267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 9569267a30dSMarc St-Jean bool 9579267a30dSMarc St-Jean 9589267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 9599267a30dSMarc St-Jean bool 9609267a30dSMarc St-Jean 9618420fd00SAtsushi Nemotoconfig IRQ_TXX9 9628420fd00SAtsushi Nemoto bool 9638420fd00SAtsushi Nemoto 964d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 965d5ab1a69SYoichi Yuasa bool 966d5ab1a69SYoichi Yuasa 96739b8d525SRalf Baechleconfig IRQ_GIC 96839b8d525SRalf Baechle bool 96939b8d525SRalf Baechle 970a86c7f72SDavid Daneyconfig IRQ_CPU_OCTEON 971a86c7f72SDavid Daney bool 972a86c7f72SDavid Daney 9731da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9741da177e4SLinus Torvalds bool 9751da177e4SLinus Torvalds 976252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 9771da177e4SLinus Torvalds bool 9781da177e4SLinus Torvalds 9799267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 9809267a30dSMarc St-Jean bool 9819267a30dSMarc St-Jean 982663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 983663c3d90Sthomas@koeller.dyndns.org bool 984663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 985663c3d90Sthomas@koeller.dyndns.org 986a83860c2SRalf Baechleconfig SOC_EMMA2RH 987a83860c2SRalf Baechle bool 988a83860c2SRalf Baechle select CEVT_R4K 989a83860c2SRalf Baechle select CSRC_R4K 990a83860c2SRalf Baechle select DMA_NONCOHERENT 991a83860c2SRalf Baechle select IRQ_CPU 992a83860c2SRalf Baechle select SWAP_IO_SPACE 993a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 994a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 995a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 996a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 997a83860c2SRalf Baechle 998edb6310aSDaniel Lairdconfig SOC_PNX833X 999edb6310aSDaniel Laird bool 1000edb6310aSDaniel Laird select CEVT_R4K 1001edb6310aSDaniel Laird select CSRC_R4K 1002edb6310aSDaniel Laird select IRQ_CPU 1003edb6310aSDaniel Laird select DMA_NONCOHERENT 1004edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1005edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1006edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1007edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1008edb6310aSDaniel Laird select GENERIC_GPIO 1009edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1010edb6310aSDaniel Laird 1011edb6310aSDaniel Lairdconfig SOC_PNX8335 1012edb6310aSDaniel Laird bool 1013edb6310aSDaniel Laird select SOC_PNX833X 1014edb6310aSDaniel Laird 1015bdf21b18SPete Popovconfig PNX8550 1016bdf21b18SPete Popov bool 1017bdf21b18SPete Popov select SOC_PNX8550 1018bdf21b18SPete Popov 1019bdf21b18SPete Popovconfig SOC_PNX8550 1020bdf21b18SPete Popov bool 1021bdf21b18SPete Popov select DMA_NONCOHERENT 1022bdf21b18SPete Popov select HW_HAS_PCI 1023b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 102436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 10257cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 10264ead1681SFlorian Fainelli select GENERIC_GPIO 1027bdf21b18SPete Popov 10281da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 10291da177e4SLinus Torvalds bool 10301da177e4SLinus Torvalds 1031663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 1032663c3d90Sthomas@koeller.dyndns.org bool 1033663c3d90Sthomas@koeller.dyndns.org 1034e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1035e2defae5SThomas Bogendoerfer bool 1036e2defae5SThomas Bogendoerfer 10375b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 10385b438c44SThomas Bogendoerfer bool 10395b438c44SThomas Bogendoerfer 1040e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1041e2defae5SThomas Bogendoerfer bool 1042e2defae5SThomas Bogendoerfer 1043e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1044e2defae5SThomas Bogendoerfer bool 1045e2defae5SThomas Bogendoerfer 1046e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1047e2defae5SThomas Bogendoerfer bool 1048e2defae5SThomas Bogendoerfer 1049e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1050e2defae5SThomas Bogendoerfer bool 1051e2defae5SThomas Bogendoerfer 1052e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1053e2defae5SThomas Bogendoerfer bool 1054e2defae5SThomas Bogendoerfer 10555e83d430SRalf Baechleconfig ARC32 10565e83d430SRalf Baechle bool 10575e83d430SRalf Baechle 1058231a35d3SThomas Bogendoerferconfig SNIPROM 1059231a35d3SThomas Bogendoerfer bool 1060231a35d3SThomas Bogendoerfer 10611da177e4SLinus Torvaldsconfig BOOT_ELF32 10621da177e4SLinus Torvalds bool 10631da177e4SLinus Torvalds 10641da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 10651da177e4SLinus Torvalds int 1066c7088755SRalf Baechle default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL 10670db2b74eSRalf Baechle default "6" if MIPS_CPU_SCACHE 1068a86c7f72SDavid Daney default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON 10691da177e4SLinus Torvalds default "5" 10701da177e4SLinus Torvalds 10711da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 10721da177e4SLinus Torvalds bool 10731da177e4SLinus Torvalds 10741da177e4SLinus Torvaldsconfig ARC_CONSOLE 10751da177e4SLinus Torvalds bool "ARC console support" 1076e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 10771da177e4SLinus Torvalds 10781da177e4SLinus Torvaldsconfig ARC_MEMORY 10791da177e4SLinus Torvalds bool 108014b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 10811da177e4SLinus Torvalds default y 10821da177e4SLinus Torvalds 10831da177e4SLinus Torvaldsconfig ARC_PROMLIB 10841da177e4SLinus Torvalds bool 1085e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 10861da177e4SLinus Torvalds default y 10871da177e4SLinus Torvalds 10881da177e4SLinus Torvaldsconfig ARC64 10891da177e4SLinus Torvalds bool 10901da177e4SLinus Torvalds 10911da177e4SLinus Torvaldsconfig BOOT_ELF64 10921da177e4SLinus Torvalds bool 10931da177e4SLinus Torvalds 10941da177e4SLinus Torvaldsmenu "CPU selection" 10951da177e4SLinus Torvalds 10961da177e4SLinus Torvaldschoice 10971da177e4SLinus Torvalds prompt "CPU type" 10981da177e4SLinus Torvalds default CPU_R4X00 10991da177e4SLinus Torvalds 11003702bba5SWu Zhangjinconfig CPU_LOONGSON2E 11013702bba5SWu Zhangjin bool "Loongson 2E" 11023702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 11033702bba5SWu Zhangjin select CPU_LOONGSON2 11042a21c730SFuxin Zhang help 11052a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 11062a21c730SFuxin Zhang with many extensions. 11072a21c730SFuxin Zhang 11086f7a251aSWu Zhangjin It has an internal FPGA northbridge, which is compatiable to 11096f7a251aSWu Zhangjin bonito64. 11106f7a251aSWu Zhangjin 11116f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 11126f7a251aSWu Zhangjin bool "Loongson 2F" 11136f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 11146f7a251aSWu Zhangjin select CPU_LOONGSON2 1115c197da91SArnaud Patard select GENERIC_GPIO 1116c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 11176f7a251aSWu Zhangjin help 11186f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 11196f7a251aSWu Zhangjin with many extensions. 11206f7a251aSWu Zhangjin 11216f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 11226f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 11236f7a251aSWu Zhangjin Loongson2E. 11246f7a251aSWu Zhangjin 11256e760c8dSRalf Baechleconfig CPU_MIPS32_R1 11266e760c8dSRalf Baechle bool "MIPS32 Release 1" 11277cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 11286e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1129797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1130ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11316e760c8dSRalf Baechle help 11325e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 11331e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 11341e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 11351e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11361e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 11371e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 11381e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 11391e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 11401e5f1caaSRalf Baechle performance. 11411e5f1caaSRalf Baechle 11421e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 11431e5f1caaSRalf Baechle bool "MIPS32 Release 2" 11447cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 11451e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1146797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1147ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11481e5f1caaSRalf Baechle help 11495e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 11506e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 11516e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 11526e760c8dSRalf Baechle specific type of processor in your system, choose those that one 11536e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 11541da177e4SLinus Torvalds 11556e760c8dSRalf Baechleconfig CPU_MIPS64_R1 11566e760c8dSRalf Baechle bool "MIPS64 Release 1" 11577cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1158797798c1SRalf Baechle select CPU_HAS_PREFETCH 1159ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1160ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1161ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11629cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 11636e760c8dSRalf Baechle help 11646e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 11656e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11666e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11676e760c8dSRalf Baechle specific type of processor in your system, choose those that one 11686e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11691e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 11701e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 11711e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 11721e5f1caaSRalf Baechle performance. 11731e5f1caaSRalf Baechle 11741e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 11751e5f1caaSRalf Baechle bool "MIPS64 Release 2" 11767cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1177797798c1SRalf Baechle select CPU_HAS_PREFETCH 11781e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11791e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1180ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11819cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 11821e5f1caaSRalf Baechle help 11831e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 11841e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11851e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11861e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11871e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11881da177e4SLinus Torvalds 11891da177e4SLinus Torvaldsconfig CPU_R3000 11901da177e4SLinus Torvalds bool "R3000" 11917cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1192f7062ddbSRalf Baechle select CPU_HAS_WB 1193ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1194797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11951da177e4SLinus Torvalds help 11961da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11971da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11981da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11991da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 12001da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 12011da177e4SLinus Torvalds try to recompile with R3000. 12021da177e4SLinus Torvalds 12031da177e4SLinus Torvaldsconfig CPU_TX39XX 12041da177e4SLinus Torvalds bool "R39XX" 12057cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1206ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 12071da177e4SLinus Torvalds 12081da177e4SLinus Torvaldsconfig CPU_VR41XX 12091da177e4SLinus Torvalds bool "R41xx" 12107cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1211ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1212ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12131da177e4SLinus Torvalds help 12145e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 12151da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 12161da177e4SLinus Torvalds kernel built with this option will not run on any other type of 12171da177e4SLinus Torvalds processor or vice versa. 12181da177e4SLinus Torvalds 12191da177e4SLinus Torvaldsconfig CPU_R4300 12201da177e4SLinus Torvalds bool "R4300" 12217cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1222ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1223ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12241da177e4SLinus Torvalds help 12251da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 12261da177e4SLinus Torvalds 12271da177e4SLinus Torvaldsconfig CPU_R4X00 12281da177e4SLinus Torvalds bool "R4x00" 12297cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1230ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1231ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12321da177e4SLinus Torvalds help 12331da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 12341da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 12351da177e4SLinus Torvalds 12361da177e4SLinus Torvaldsconfig CPU_TX49XX 12371da177e4SLinus Torvalds bool "R49XX" 12387cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1239de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1240ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1241ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12421da177e4SLinus Torvalds 12431da177e4SLinus Torvaldsconfig CPU_R5000 12441da177e4SLinus Torvalds bool "R5000" 12457cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1246ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1247ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12481da177e4SLinus Torvalds help 12491da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 12501da177e4SLinus Torvalds 12511da177e4SLinus Torvaldsconfig CPU_R5432 12521da177e4SLinus Torvalds bool "R5432" 12537cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 12545e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 12555e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 12561da177e4SLinus Torvalds 1257542c1020SShinya Kuribayashiconfig CPU_R5500 1258542c1020SShinya Kuribayashi bool "R5500" 1259542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1260542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1261542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 12629cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1263542c1020SShinya Kuribayashi help 1264542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1265542c1020SShinya Kuribayashi instruction set. 1266542c1020SShinya Kuribayashi 12671da177e4SLinus Torvaldsconfig CPU_R6000 12681da177e4SLinus Torvalds bool "R6000" 1269ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12707cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1271ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 12721da177e4SLinus Torvalds help 12731da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1274c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 12751da177e4SLinus Torvalds 12761da177e4SLinus Torvaldsconfig CPU_NEVADA 12771da177e4SLinus Torvalds bool "RM52xx" 12787cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1279ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1280ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12811da177e4SLinus Torvalds help 12821da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 12831da177e4SLinus Torvalds 12841da177e4SLinus Torvaldsconfig CPU_R8000 12851da177e4SLinus Torvalds bool "R8000" 1286ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 12877cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 12885e83d430SRalf Baechle select CPU_HAS_PREFETCH 1289ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 12901da177e4SLinus Torvalds help 12911da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12921da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12931da177e4SLinus Torvalds 12941da177e4SLinus Torvaldsconfig CPU_R10000 12951da177e4SLinus Torvalds bool "R10000" 12967cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 12975e83d430SRalf Baechle select CPU_HAS_PREFETCH 1298ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1299ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1300797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13011da177e4SLinus Torvalds help 13021da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 13031da177e4SLinus Torvalds 13041da177e4SLinus Torvaldsconfig CPU_RM7000 13051da177e4SLinus Torvalds bool "RM7000" 13067cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 13075e83d430SRalf Baechle select CPU_HAS_PREFETCH 1308ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1309ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1310797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13111da177e4SLinus Torvalds 13121da177e4SLinus Torvaldsconfig CPU_RM9000 13131da177e4SLinus Torvalds bool "RM9000" 13147cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 13155e83d430SRalf Baechle select CPU_HAS_PREFETCH 1316ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1317ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1318797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13190004a9dfSRalf Baechle select WEAK_ORDERING 13201da177e4SLinus Torvalds 13211da177e4SLinus Torvaldsconfig CPU_SB1 13221da177e4SLinus Torvalds bool "SB1" 13237cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1324ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1325ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1326797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13270004a9dfSRalf Baechle select WEAK_ORDERING 13281da177e4SLinus Torvalds 1329a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1330a86c7f72SDavid Daney bool "Cavium Octeon processor" 13315e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1332a86c7f72SDavid Daney select IRQ_CPU 1333a86c7f72SDavid Daney select IRQ_CPU_OCTEON 1334a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1335a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1336a86c7f72SDavid Daney select SYS_SUPPORTS_SMP 1337a86c7f72SDavid Daney select NR_CPUS_DEFAULT_16 1338a86c7f72SDavid Daney select WEAK_ORDERING 1339a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 13409cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1341a86c7f72SDavid Daney help 1342a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1343a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1344a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1345a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1346a86c7f72SDavid Daney 1347c1c0c461SKevin Cernekeeconfig CPU_BMIPS3300 1348c1c0c461SKevin Cernekee bool "BMIPS3300" 1349c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS3300 1350c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1351c1c0c461SKevin Cernekee select IRQ_CPU 1352c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1353c1c0c461SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 1354c1c0c461SKevin Cernekee select WEAK_ORDERING 1355c1c0c461SKevin Cernekee help 1356c1c0c461SKevin Cernekee Broadcom BMIPS3300 processors. 1357c1c0c461SKevin Cernekee 1358c1c0c461SKevin Cernekeeconfig CPU_BMIPS4350 1359c1c0c461SKevin Cernekee bool "BMIPS4350" 1360c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS4350 1361c1c0c461SKevin Cernekee select CPU_SUPPORTS_32BIT_KERNEL 1362c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1363c1c0c461SKevin Cernekee select IRQ_CPU 1364c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1365c1c0c461SKevin Cernekee select SYS_SUPPORTS_SMP 1366c1c0c461SKevin Cernekee select SYS_SUPPORTS_HOTPLUG_CPU 1367c1c0c461SKevin Cernekee select WEAK_ORDERING 1368c1c0c461SKevin Cernekee help 1369c1c0c461SKevin Cernekee Broadcom BMIPS4350 ("VIPER") processors. 1370c1c0c461SKevin Cernekee 1371c1c0c461SKevin Cernekeeconfig CPU_BMIPS4380 1372c1c0c461SKevin Cernekee bool "BMIPS4380" 1373c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS4380 1374c1c0c461SKevin Cernekee select CPU_SUPPORTS_32BIT_KERNEL 1375c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1376c1c0c461SKevin Cernekee select IRQ_CPU 1377c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1378c1c0c461SKevin Cernekee select SYS_SUPPORTS_SMP 1379c1c0c461SKevin Cernekee select SYS_SUPPORTS_HOTPLUG_CPU 1380c1c0c461SKevin Cernekee select WEAK_ORDERING 1381c1c0c461SKevin Cernekee help 1382c1c0c461SKevin Cernekee Broadcom BMIPS4380 processors. 1383c1c0c461SKevin Cernekee 1384c1c0c461SKevin Cernekeeconfig CPU_BMIPS5000 1385c1c0c461SKevin Cernekee bool "BMIPS5000" 1386c1c0c461SKevin Cernekee depends on SYS_HAS_CPU_BMIPS5000 1387c1c0c461SKevin Cernekee select CPU_SUPPORTS_32BIT_KERNEL 1388c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 1389c1c0c461SKevin Cernekee select DMA_NONCOHERENT 1390c1c0c461SKevin Cernekee select IRQ_CPU 1391c1c0c461SKevin Cernekee select SWAP_IO_SPACE 1392c1c0c461SKevin Cernekee select SYS_SUPPORTS_SMP 1393c1c0c461SKevin Cernekee select SYS_SUPPORTS_HOTPLUG_CPU 1394c1c0c461SKevin Cernekee select WEAK_ORDERING 1395c1c0c461SKevin Cernekee help 1396c1c0c461SKevin Cernekee Broadcom BMIPS5000 processors. 1397c1c0c461SKevin Cernekee 13981da177e4SLinus Torvaldsendchoice 13991da177e4SLinus Torvalds 1400622844bfSWu Zhangjinif CPU_LOONGSON2F 1401622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1402622844bfSWu Zhangjin bool 1403622844bfSWu Zhangjin 1404622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1405622844bfSWu Zhangjin bool 1406622844bfSWu Zhangjin 1407622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1408622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1409622844bfSWu Zhangjin default y 1410622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1411622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1412622844bfSWu Zhangjin help 1413622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1414622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1415622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1416622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1417622844bfSWu Zhangjin 1418622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1419622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1420622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1421622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1422622844bfSWu Zhangjin systems. 1423622844bfSWu Zhangjin 1424622844bfSWu Zhangjin If unsure, please say Y. 1425622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1426622844bfSWu Zhangjin 14271b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 14281b93b3c3SWu Zhangjin bool 14291b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 14301b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 14311b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1432fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 14331b93b3c3SWu Zhangjin 14341b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 14351b93b3c3SWu Zhangjin bool 14361b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 14371b93b3c3SWu Zhangjin 14383702bba5SWu Zhangjinconfig CPU_LOONGSON2 14393702bba5SWu Zhangjin bool 14403702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 14413702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 14423702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 14433702bba5SWu Zhangjin 14443702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 14452a21c730SFuxin Zhang bool 14462a21c730SFuxin Zhang 14476f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 14486f7a251aSWu Zhangjin bool 144955045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 145055045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 145122f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 14526f7a251aSWu Zhangjin 14537cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 14547cf8053bSRalf Baechle bool 14557cf8053bSRalf Baechle 14567cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 14577cf8053bSRalf Baechle bool 14587cf8053bSRalf Baechle 14597cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 14607cf8053bSRalf Baechle bool 14617cf8053bSRalf Baechle 14627cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 14637cf8053bSRalf Baechle bool 14647cf8053bSRalf Baechle 14657cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 14667cf8053bSRalf Baechle bool 14677cf8053bSRalf Baechle 14687cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 14697cf8053bSRalf Baechle bool 14707cf8053bSRalf Baechle 14717cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 14727cf8053bSRalf Baechle bool 14737cf8053bSRalf Baechle 14747cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 14757cf8053bSRalf Baechle bool 14767cf8053bSRalf Baechle 14777cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 14787cf8053bSRalf Baechle bool 14797cf8053bSRalf Baechle 14807cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 14817cf8053bSRalf Baechle bool 14827cf8053bSRalf Baechle 14837cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 14847cf8053bSRalf Baechle bool 14857cf8053bSRalf Baechle 14867cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 14877cf8053bSRalf Baechle bool 14887cf8053bSRalf Baechle 1489542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1490542c1020SShinya Kuribayashi bool 1491542c1020SShinya Kuribayashi 14927cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 14937cf8053bSRalf Baechle bool 14947cf8053bSRalf Baechle 14957cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 14967cf8053bSRalf Baechle bool 14977cf8053bSRalf Baechle 14987cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 14997cf8053bSRalf Baechle bool 15007cf8053bSRalf Baechle 15017cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 15027cf8053bSRalf Baechle bool 15037cf8053bSRalf Baechle 15047cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 15057cf8053bSRalf Baechle bool 15067cf8053bSRalf Baechle 15077cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 15087cf8053bSRalf Baechle bool 15097cf8053bSRalf Baechle 15107cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 15117cf8053bSRalf Baechle bool 15127cf8053bSRalf Baechle 15135e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 15145e683389SDavid Daney bool 15155e683389SDavid Daney 1516c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS3300 1517c1c0c461SKevin Cernekee bool 1518c1c0c461SKevin Cernekee 1519c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1520c1c0c461SKevin Cernekee bool 1521c1c0c461SKevin Cernekee 1522c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1523c1c0c461SKevin Cernekee bool 1524c1c0c461SKevin Cernekee 1525c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1526c1c0c461SKevin Cernekee bool 1527c1c0c461SKevin Cernekee 152817099b11SRalf Baechle# 152917099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 153017099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 153117099b11SRalf Baechle# 15320004a9dfSRalf Baechleconfig WEAK_ORDERING 15330004a9dfSRalf Baechle bool 153417099b11SRalf Baechle 153517099b11SRalf Baechle# 153617099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 153717099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 153817099b11SRalf Baechle# 153917099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 154017099b11SRalf Baechle bool 15415e83d430SRalf Baechleendmenu 15425e83d430SRalf Baechle 15435e83d430SRalf Baechle# 15445e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 15455e83d430SRalf Baechle# 15465e83d430SRalf Baechleconfig CPU_MIPS32 15475e83d430SRalf Baechle bool 15485e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 15495e83d430SRalf Baechle 15505e83d430SRalf Baechleconfig CPU_MIPS64 15515e83d430SRalf Baechle bool 15525e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 15535e83d430SRalf Baechle 15545e83d430SRalf Baechle# 1555c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 15565e83d430SRalf Baechle# 15575e83d430SRalf Baechleconfig CPU_MIPSR1 15585e83d430SRalf Baechle bool 15595e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 15605e83d430SRalf Baechle 15615e83d430SRalf Baechleconfig CPU_MIPSR2 15625e83d430SRalf Baechle bool 1563a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 15645e83d430SRalf Baechle 15655e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 15665e83d430SRalf Baechle bool 15675e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 15685e83d430SRalf Baechle bool 15695e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 15705e83d430SRalf Baechle bool 15715e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 15725e83d430SRalf Baechle bool 157355045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 157455045ff5SWu Zhangjin bool 157555045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 157655045ff5SWu Zhangjin bool 15779cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 15789cffd154SDavid Daney bool 157922f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 158022f1fdfdSWu Zhangjin bool 158182622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 158282622284SDavid Daney bool 158382622284SDavid Daney default y if 64BIT && CPU_MIPSR2 15845e83d430SRalf Baechle 15858192c9eaSDavid Daney# 15868192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 15878192c9eaSDavid Daney# 15888192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 15898192c9eaSDavid Daney bool 1590f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 15918192c9eaSDavid Daney 15925e83d430SRalf Baechlemenu "Kernel type" 15935e83d430SRalf Baechle 15945e83d430SRalf Baechlechoice 15955e83d430SRalf Baechle 15965e83d430SRalf Baechle prompt "Kernel code model" 15975e83d430SRalf Baechle help 15985e83d430SRalf Baechle You should only select this option if you have a workload that 15995e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 16005e83d430SRalf Baechle large memory. You will only be presented a single option in this 16015e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 16025e83d430SRalf Baechle 16035e83d430SRalf Baechleconfig 32BIT 16045e83d430SRalf Baechle bool "32-bit kernel" 16055e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 16065e83d430SRalf Baechle select TRAD_SIGNALS 16075e83d430SRalf Baechle help 16085e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 16095e83d430SRalf Baechleconfig 64BIT 16105e83d430SRalf Baechle bool "64-bit kernel" 16115e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 1612dbda6ac0SRalf Baechle select HAVE_SYSCALL_WRAPPERS 16135e83d430SRalf Baechle help 16145e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 16155e83d430SRalf Baechle 16165e83d430SRalf Baechleendchoice 16175e83d430SRalf Baechle 16181da177e4SLinus Torvaldschoice 16191da177e4SLinus Torvalds prompt "Kernel page size" 16201da177e4SLinus Torvalds default PAGE_SIZE_4KB 16211da177e4SLinus Torvalds 16221da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 16231da177e4SLinus Torvalds bool "4kB" 1624315fe625SWu Zhangjin depends on !CPU_LOONGSON2 16251da177e4SLinus Torvalds help 16261da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 16271da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 16281da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 16291da177e4SLinus Torvalds recommended for low memory systems. 16301da177e4SLinus Torvalds 16311da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 16321da177e4SLinus Torvalds bool "8kB" 1633c52399beSRalf Baechle depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON 16341da177e4SLinus Torvalds help 16351da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 16361da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1637c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1638c52399beSRalf Baechle suitable Linux distribution to support this. 16391da177e4SLinus Torvalds 16401da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 16411da177e4SLinus Torvalds bool "16kB" 1642714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 16431da177e4SLinus Torvalds help 16441da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 16451da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1646714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1647714bfad6SRalf Baechle Linux distribution to support this. 16481da177e4SLinus Torvalds 1649c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1650c52399beSRalf Baechle bool "32kB" 1651c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1652c52399beSRalf Baechle help 1653c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1654c52399beSRalf Baechle the price of higher memory consumption. This option is available 1655c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1656c52399beSRalf Baechle distribution to support this. 1657c52399beSRalf Baechle 16581da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 16591da177e4SLinus Torvalds bool "64kB" 16601da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 16611da177e4SLinus Torvalds help 16621da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 16631da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 16641da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1665714bfad6SRalf Baechle writing this option is still high experimental. 16661da177e4SLinus Torvalds 16671da177e4SLinus Torvaldsendchoice 16681da177e4SLinus Torvalds 1669c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 1670c9bace7cSDavid Daney int "Maximum zone order" 1671c9bace7cSDavid Daney range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB 1672c9bace7cSDavid Daney default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB 1673c9bace7cSDavid Daney range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB 1674c9bace7cSDavid Daney default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB 1675c9bace7cSDavid Daney range 11 64 1676c9bace7cSDavid Daney default "11" 1677c9bace7cSDavid Daney help 1678c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 1679c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 1680c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 1681c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 1682c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 1683c9bace7cSDavid Daney increase this value. 1684c9bace7cSDavid Daney 1685c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 1686c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 1687c9bace7cSDavid Daney 1688c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 1689c9bace7cSDavid Daney when choosing a value for this option. 1690c9bace7cSDavid Daney 16911da177e4SLinus Torvaldsconfig BOARD_SCACHE 16921da177e4SLinus Torvalds bool 16931da177e4SLinus Torvalds 16941da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 16951da177e4SLinus Torvalds bool 16961da177e4SLinus Torvalds select BOARD_SCACHE 16971da177e4SLinus Torvalds 16989318c51aSChris Dearman# 16999318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 17009318c51aSChris Dearman# 17019318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 17029318c51aSChris Dearman bool 17039318c51aSChris Dearman select BOARD_SCACHE 17049318c51aSChris Dearman 17051da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 17061da177e4SLinus Torvalds bool 17071da177e4SLinus Torvalds select BOARD_SCACHE 17081da177e4SLinus Torvalds 17091da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 17101da177e4SLinus Torvalds bool 17111da177e4SLinus Torvalds select BOARD_SCACHE 17121da177e4SLinus Torvalds 17131da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 17141da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 17151da177e4SLinus Torvalds depends on CPU_SB1 17161da177e4SLinus Torvalds help 17171da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 17181da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 17191da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 17201da177e4SLinus Torvalds 17211da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1722c8094b53SRalf Baechle bool 17231da177e4SLinus Torvalds 1724340ee4b9SRalf Baechlechoice 1725340ee4b9SRalf Baechle prompt "MIPS MT options" 1726f41ae0b2SRalf Baechle 1727f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1728f41ae0b2SRalf Baechle bool "Disable multithreading support." 1729f41ae0b2SRalf Baechle help 1730f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1731f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1732f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1733f41ae0b2SRalf Baechle option in this menu. 1734340ee4b9SRalf Baechle 173559d6ab86SRalf Baechleconfig MIPS_MT_SMP 173659d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 173759d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 173859d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1739d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 174059d6ab86SRalf Baechle select MIPS_MT 1741f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 174259d6ab86SRalf Baechle select SMP 17430ab7aefcSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 174459d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 174587353d8aSRalf Baechle select SMP_UP 174659d6ab86SRalf Baechle help 174725f12b33SRalf Baechle This is a kernel model which is known a VSMP but lately has been 174825f12b33SRalf Baechle marketesed into SMVP. 174925f12b33SRalf Baechle Virtual SMP uses the processor's VPEs to implement virtual 175025f12b33SRalf Baechle processors. In currently available configuration of the 34K processor 175125f12b33SRalf Baechle this allows for a dual processor. Both processors will share the same 175225f12b33SRalf Baechle primary caches; each will obtain the half of the TLB for it's own 175325f12b33SRalf Baechle exclusive use. For a layman this model can be described as similar to 175425f12b33SRalf Baechle what Intel calls Hyperthreading. 175525f12b33SRalf Baechle 175625f12b33SRalf Baechle For further information see http://www.linux-mips.org/wiki/34K#VSMP 175759d6ab86SRalf Baechle 175841c594abSRalf Baechleconfig MIPS_MT_SMTC 175941c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1760f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1761f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1762f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1763f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1764d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1765f41ae0b2SRalf Baechle select MIPS_MT 1766130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 176741c594abSRalf Baechle select SMP 176873b76c78SRalf Baechle select SYS_SUPPORTS_SMP 176987353d8aSRalf Baechle select SMP_UP 1770f41ae0b2SRalf Baechle help 1771f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1772f41ae0b2SRalf Baechle marketesed into SMVP. 177325f12b33SRalf Baechle is presenting the available TC's of the core as processors to Linux. 177425f12b33SRalf Baechle On currently available 34K processors this means a Linux system will 177525f12b33SRalf Baechle see up to 5 processors. The implementation of the SMTC kernel differs 177625f12b33SRalf Baechle significantly from VSMP and cannot efficiently coexist in the same 177725f12b33SRalf Baechle kernel binary so the choice between VSMP and SMTC is a compile time 177825f12b33SRalf Baechle decision. 177925f12b33SRalf Baechle 178025f12b33SRalf Baechle For further information see http://www.linux-mips.org/wiki/34K#SMTC 178141c594abSRalf Baechle 1782340ee4b9SRalf Baechleendchoice 1783340ee4b9SRalf Baechle 1784f41ae0b2SRalf Baechleconfig MIPS_MT 1785f41ae0b2SRalf Baechle bool 1786f41ae0b2SRalf Baechle 17870ab7aefcSRalf Baechleconfig SCHED_SMT 17880ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 17890ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 17900ab7aefcSRalf Baechle default n 17910ab7aefcSRalf Baechle help 17920ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 17930ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 17940ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 17950ab7aefcSRalf Baechle 17960ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 17970ab7aefcSRalf Baechle bool 17980ab7aefcSRalf Baechle 17990ab7aefcSRalf Baechle 1800f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1801f41ae0b2SRalf Baechle bool 1802f41ae0b2SRalf Baechle 1803f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1804f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1805f088fc84SRalf Baechle default y 180607cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 180707cc0c9eSRalf Baechle 180807cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 180907cc0c9eSRalf Baechle bool "VPE loader support." 181007cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 181107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 181207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 181307cc0c9eSRalf Baechle select MIPS_MT 181407cc0c9eSRalf Baechle help 181507cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 181607cc0c9eSRalf Baechle onto another VPE and running it. 1817f088fc84SRalf Baechle 18180db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 18190db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 18200db34215SKevin D. Kissell depends on MIPS_MT_SMTC 18218531a35eSKevin D. Kissell default n 18220db34215SKevin D. Kissell help 18230db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 18240db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 18250db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 18260db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 18270db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 18288531a35eSKevin D. Kissell impact on interrupt service overhead. 18290db34215SKevin D. Kissell 1830f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1831f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1832f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1833f571eff0SKevin D. Kissell default n 1834f571eff0SKevin D. Kissell help 1835f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1836f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1837f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 18388531a35eSKevin D. Kissell platform code. Adds some overhead to interrupt dispatch, and 18398531a35eSKevin D. Kissell should be used only if you know what you are doing. 1840f571eff0SKevin D. Kissell 1841e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1842e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1843e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1844e01402b1SRalf Baechle default y 1845e01402b1SRalf Baechle help 1846e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1847e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1848e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1849e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1850e01402b1SRalf Baechle 1851e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1852e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1853e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1854e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 18555e83d430SRalf Baechle help 1856e01402b1SRalf Baechle 18572600990eSRalf Baechleconfig MIPS_APSP_KSPD 18582600990eSRalf Baechle bool "Enable KSPD" 18592600990eSRalf Baechle depends on MIPS_VPE_APSP_API 18602600990eSRalf Baechle default y 18612600990eSRalf Baechle help 18622600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 18632600990eSRalf Baechle side, actions them and returns the results. It also handles the 18642600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 18652600990eSRalf Baechle exiting. You probably want to say yes here. 18662600990eSRalf Baechle 18674a16ff4cSRalf Baechleconfig MIPS_CMP 18684a16ff4cSRalf Baechle bool "MIPS CMP framework support" 18694a16ff4cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 1870eb9b5141STim Anderson select SYNC_R4K 18714a16ff4cSRalf Baechle select SYS_SUPPORTS_SMP 18724a16ff4cSRalf Baechle select SYS_SUPPORTS_SCHED_SMT if SMP 18734a16ff4cSRalf Baechle select WEAK_ORDERING 18744a16ff4cSRalf Baechle default n 18754a16ff4cSRalf Baechle help 18764a16ff4cSRalf Baechle This is a placeholder option for the GCMP work. It will need to 18774a16ff4cSRalf Baechle be handled differently... 18784a16ff4cSRalf Baechle 18791da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 18801da177e4SLinus Torvalds bool 18811da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 18821da177e4SLinus Torvalds default y 18831da177e4SLinus Torvalds 18841da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 18851da177e4SLinus Torvalds bool 18861da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 18871da177e4SLinus Torvalds default y 18881da177e4SLinus Torvalds 18891da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 18901da177e4SLinus Torvalds bool 18911da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 18921da177e4SLinus Torvalds default y 18931da177e4SLinus Torvalds 18941da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1895d806cb2bSRalf Baechle bool 18961da177e4SLinus Torvalds 189760ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 189860ec6571Spascal@pabr.org def_bool 64BIT_PHYS_ADDR 189960ec6571Spascal@pabr.org 19009693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 19019693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 19029693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 19039693a853SFranck Bui-Huu help 19049693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 19059693a853SFranck Bui-Huu increased security at both hardware and software level for 19069693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 19079693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 19089693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 19099693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 19109693a853SFranck Bui-Huu here. 19119693a853SFranck Bui-Huu 19121da177e4SLinus Torvaldsconfig CPU_HAS_WB 1913f7062ddbSRalf Baechle bool 1914e01402b1SRalf Baechle 1915f41ae0b2SRalf Baechle# 1916f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1917f41ae0b2SRalf Baechle# 1918e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1919f41ae0b2SRalf Baechle bool 1920e01402b1SRalf Baechle 1921f41ae0b2SRalf Baechle# 1922f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1923f41ae0b2SRalf Baechle# 1924e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1925f41ae0b2SRalf Baechle bool 1926e01402b1SRalf Baechle 19271da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 19281da177e4SLinus Torvalds bool 19291da177e4SLinus Torvalds depends on !CPU_R3000 19301da177e4SLinus Torvalds default y 19311da177e4SLinus Torvalds 1932ea580401SRalf Baechleconfig GENERIC_CLOCKEVENTS_BROADCAST 1933ea580401SRalf Baechle bool 1934ea580401SRalf Baechle 19351da177e4SLinus Torvalds# 193620d60d99SMaciej W. Rozycki# CPU non-features 193720d60d99SMaciej W. Rozycki# 193820d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 193920d60d99SMaciej W. Rozycki bool 194020d60d99SMaciej W. Rozycki 194120d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 194220d60d99SMaciej W. Rozycki bool 194320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 194420d60d99SMaciej W. Rozycki 194520d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 194620d60d99SMaciej W. Rozycki bool 194720d60d99SMaciej W. Rozycki 194820d60d99SMaciej W. Rozycki# 19491da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 19501da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 19511da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 19521da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 19531da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 19541da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 19551da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 19561da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1957797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1958797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1959797798c1SRalf Baechle# support. 19601da177e4SLinus Torvalds# 19611da177e4SLinus Torvaldsconfig HIGHMEM 19621da177e4SLinus Torvalds bool "High Memory Support" 1963797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1964797798c1SRalf Baechle 1965797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1966797798c1SRalf Baechle bool 1967797798c1SRalf Baechle 1968797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1969797798c1SRalf Baechle bool 19701da177e4SLinus Torvalds 19719693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 19729693a853SFranck Bui-Huu bool 19739693a853SFranck Bui-Huu 1974b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1975b4819b59SYoichi Yuasa def_bool y 1976f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 1977b4819b59SYoichi Yuasa 1978d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1979d8cb4e11SRalf Baechle bool 1980d8cb4e11SRalf Baechle default y if SGI_IP27 1981d8cb4e11SRalf Baechle help 19823dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1983d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1984d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1985d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1986d8cb4e11SRalf Baechle 1987cce335aeSRalf Baechleconfig ARCH_POPULATES_NODE_MAP 1988cce335aeSRalf Baechle def_bool y 1989cce335aeSRalf Baechle 1990b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1991b1c6cd42SAtsushi Nemoto bool 19927de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 199331473747SAtsushi Nemoto 1994d8cb4e11SRalf Baechleconfig NUMA 1995d8cb4e11SRalf Baechle bool "NUMA Support" 1996d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1997d8cb4e11SRalf Baechle help 1998d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1999d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2000d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2001d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2002d8cb4e11SRalf Baechle disabled. 2003d8cb4e11SRalf Baechle 2004d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2005d8cb4e11SRalf Baechle bool 2006d8cb4e11SRalf Baechle 2007c80d79d7SYasunori Gotoconfig NODES_SHIFT 2008c80d79d7SYasunori Goto int 2009c80d79d7SYasunori Goto default "6" 2010c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2011c80d79d7SYasunori Goto 201214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 201314f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 201414f70012SDeng-Cheng Zhu depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32 201514f70012SDeng-Cheng Zhu default y 201614f70012SDeng-Cheng Zhu help 201714f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 201814f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 201914f70012SDeng-Cheng Zhu 2020b4819b59SYoichi Yuasasource "mm/Kconfig" 2021b4819b59SYoichi Yuasa 20221da177e4SLinus Torvaldsconfig SMP 20231da177e4SLinus Torvalds bool "Multi-Processing support" 2024e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2025b4b30a5aSRalf Baechle select IRQ_PER_CPU 20262f304c0aSJens Axboe select USE_GENERIC_SMP_HELPERS 2027e73ea273SRalf Baechle help 20281da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 20291da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 20301da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 20311da177e4SLinus Torvalds 20321da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 20331da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 20341da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 20351da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 20361da177e4SLinus Torvalds will run faster if you say N here. 20371da177e4SLinus Torvalds 20381da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 20391da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 20401da177e4SLinus Torvalds 204103502faaSAdrian Bunk See also the SMP-HOWTO available at 204203502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 20431da177e4SLinus Torvalds 20441da177e4SLinus Torvalds If you don't know what to do here, say N. 20451da177e4SLinus Torvalds 204687353d8aSRalf Baechleconfig SMP_UP 204787353d8aSRalf Baechle bool 204887353d8aSRalf Baechle 20494a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 20504a16ff4cSRalf Baechle bool 20514a16ff4cSRalf Baechle 2052e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2053e73ea273SRalf Baechle bool 2054e73ea273SRalf Baechle 205572ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 205672ede9b1SAtsushi Nemoto bool 205772ede9b1SAtsushi Nemoto 2058130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 2059130e2fb7SRalf Baechle bool 2060130e2fb7SRalf Baechle 2061130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2062130e2fb7SRalf Baechle bool 2063130e2fb7SRalf Baechle 2064130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2065130e2fb7SRalf Baechle bool 2066130e2fb7SRalf Baechle 2067130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2068130e2fb7SRalf Baechle bool 2069130e2fb7SRalf Baechle 2070130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2071130e2fb7SRalf Baechle bool 2072130e2fb7SRalf Baechle 2073130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2074130e2fb7SRalf Baechle bool 2075130e2fb7SRalf Baechle 20761da177e4SLinus Torvaldsconfig NR_CPUS 20771da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 207872ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 20791da177e4SLinus Torvalds depends on SMP 208072ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 2081130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 2082130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2083130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2084130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2085130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2086130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 20871da177e4SLinus Torvalds help 20881da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 20891da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 20901da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 209172ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 209272ede9b1SAtsushi Nemoto and 2 for all others. 20931da177e4SLinus Torvalds 20941da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 209572ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 209672ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 209772ede9b1SAtsushi Nemoto power of two. 20981da177e4SLinus Torvalds 2099c4eee283SAtsushi Nemotosource "kernel/time/Kconfig" 2100c4eee283SAtsushi Nemoto 21011723b4a3SAtsushi Nemoto# 21021723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 21031723b4a3SAtsushi Nemoto# 21041723b4a3SAtsushi Nemoto 21051723b4a3SAtsushi Nemotochoice 21061723b4a3SAtsushi Nemoto prompt "Timer frequency" 21071723b4a3SAtsushi Nemoto default HZ_250 21081723b4a3SAtsushi Nemoto help 21091723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 21101723b4a3SAtsushi Nemoto 21111723b4a3SAtsushi Nemoto config HZ_48 21120f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 21131723b4a3SAtsushi Nemoto 21141723b4a3SAtsushi Nemoto config HZ_100 21151723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 21161723b4a3SAtsushi Nemoto 21171723b4a3SAtsushi Nemoto config HZ_128 21181723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 21191723b4a3SAtsushi Nemoto 21201723b4a3SAtsushi Nemoto config HZ_250 21211723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 21221723b4a3SAtsushi Nemoto 21231723b4a3SAtsushi Nemoto config HZ_256 21241723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 21251723b4a3SAtsushi Nemoto 21261723b4a3SAtsushi Nemoto config HZ_1000 21271723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 21281723b4a3SAtsushi Nemoto 21291723b4a3SAtsushi Nemoto config HZ_1024 21301723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 21311723b4a3SAtsushi Nemoto 21321723b4a3SAtsushi Nemotoendchoice 21331723b4a3SAtsushi Nemoto 21341723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 21351723b4a3SAtsushi Nemoto bool 21361723b4a3SAtsushi Nemoto 21371723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 21381723b4a3SAtsushi Nemoto bool 21391723b4a3SAtsushi Nemoto 21401723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 21411723b4a3SAtsushi Nemoto bool 21421723b4a3SAtsushi Nemoto 21431723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 21441723b4a3SAtsushi Nemoto bool 21451723b4a3SAtsushi Nemoto 21461723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 21471723b4a3SAtsushi Nemoto bool 21481723b4a3SAtsushi Nemoto 21491723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 21501723b4a3SAtsushi Nemoto bool 21511723b4a3SAtsushi Nemoto 21521723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 21531723b4a3SAtsushi Nemoto bool 21541723b4a3SAtsushi Nemoto 21551723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 21561723b4a3SAtsushi Nemoto bool 21571723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 21581723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 21591723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 21601723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 21611723b4a3SAtsushi Nemoto 21621723b4a3SAtsushi Nemotoconfig HZ 21631723b4a3SAtsushi Nemoto int 21641723b4a3SAtsushi Nemoto default 48 if HZ_48 21651723b4a3SAtsushi Nemoto default 100 if HZ_100 21661723b4a3SAtsushi Nemoto default 128 if HZ_128 21671723b4a3SAtsushi Nemoto default 250 if HZ_250 21681723b4a3SAtsushi Nemoto default 256 if HZ_256 21691723b4a3SAtsushi Nemoto default 1000 if HZ_1000 21701723b4a3SAtsushi Nemoto default 1024 if HZ_1024 21711723b4a3SAtsushi Nemoto 2172e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 21731da177e4SLinus Torvalds 21741da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 21751da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 2176875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 21771da177e4SLinus Torvalds help 21781da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 21791da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 21801da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 21811da177e4SLinus Torvalds This will result in additional memory usage, so it is not 21821da177e4SLinus Torvalds recommended for normal users. 21831da177e4SLinus Torvalds 2184ea6e942bSAtsushi Nemotoconfig KEXEC 2185ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 2186ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 2187ea6e942bSAtsushi Nemoto help 2188ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2189ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 21903dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2191ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2192ea6e942bSAtsushi Nemoto 219301dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2194ea6e942bSAtsushi Nemoto 2195ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2196ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2197ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 2198ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 2199ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 2200ea6e942bSAtsushi Nemoto 2201ea6e942bSAtsushi Nemotoconfig SECCOMP 2202ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2203293c5bd1SRalf Baechle depends on PROC_FS 2204ea6e942bSAtsushi Nemoto default y 2205ea6e942bSAtsushi Nemoto help 2206ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2207ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2208ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2209ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2210ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2211ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2212ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2213ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2214ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2215ea6e942bSAtsushi Nemoto 2216ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2217ea6e942bSAtsushi Nemoto 2218f2ffa5abSDezhong Diaoconfig USE_OF 2219f2ffa5abSDezhong Diao bool "Flattened Device Tree support" 2220f2ffa5abSDezhong Diao select OF 2221*e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2222f2ffa5abSDezhong Diao help 2223f2ffa5abSDezhong Diao Include support for flattened device tree machine descriptions. 2224f2ffa5abSDezhong Diao 22255e83d430SRalf Baechleendmenu 22265e83d430SRalf Baechle 22271df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 22281df0f0ffSAtsushi Nemoto bool 22291df0f0ffSAtsushi Nemoto default y 22301df0f0ffSAtsushi Nemoto 22311df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 22321df0f0ffSAtsushi Nemoto bool 22331df0f0ffSAtsushi Nemoto default y 22341df0f0ffSAtsushi Nemoto 2235b6c3539bSRalf Baechlesource "init/Kconfig" 2236b6c3539bSRalf Baechle 2237dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2238dc52ddc0SMatt Helsley 22391da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 22401da177e4SLinus Torvalds 22415e83d430SRalf Baechleconfig HW_HAS_EISA 22425e83d430SRalf Baechle bool 22431da177e4SLinus Torvaldsconfig HW_HAS_PCI 22441da177e4SLinus Torvalds bool 22451da177e4SLinus Torvalds 22461da177e4SLinus Torvaldsconfig PCI 22471da177e4SLinus Torvalds bool "Support for PCI controller" 22481da177e4SLinus Torvalds depends on HW_HAS_PCI 2249abb4ae46SRalf Baechle select PCI_DOMAINS 22501da177e4SLinus Torvalds help 22511da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 22521da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 22531da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 22541da177e4SLinus Torvalds say Y, otherwise N. 22551da177e4SLinus Torvalds 22561da177e4SLinus Torvaldsconfig PCI_DOMAINS 22571da177e4SLinus Torvalds bool 22581da177e4SLinus Torvalds 22591da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 22601da177e4SLinus Torvalds 22611da177e4SLinus Torvalds# 22621da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 22631da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 22641da177e4SLinus Torvalds# users to choose the right thing ... 22651da177e4SLinus Torvalds# 22661da177e4SLinus Torvaldsconfig ISA 22671da177e4SLinus Torvalds bool 22681da177e4SLinus Torvalds 22691da177e4SLinus Torvaldsconfig EISA 22701da177e4SLinus Torvalds bool "EISA support" 22715e83d430SRalf Baechle depends on HW_HAS_EISA 22721da177e4SLinus Torvalds select ISA 2273aa414dffSRalf Baechle select GENERIC_ISA_DMA 22741da177e4SLinus Torvalds ---help--- 22751da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 22761da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 22771da177e4SLinus Torvalds 22781da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 22791da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 22801da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 22811da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 22821da177e4SLinus Torvalds 22831da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 22841da177e4SLinus Torvalds 22851da177e4SLinus Torvalds Otherwise, say N. 22861da177e4SLinus Torvalds 22871da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 22881da177e4SLinus Torvalds 22891da177e4SLinus Torvaldsconfig TC 22901da177e4SLinus Torvalds bool "TURBOchannel support" 22911da177e4SLinus Torvalds depends on MACH_DECSTATION 22921da177e4SLinus Torvalds help 229350a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 229450a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 229550a23e6eSJustin P. Mattock at: 229650a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 229750a23e6eSJustin P. Mattock and: 229850a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 229950a23e6eSJustin P. Mattock Linux driver support status is documented at: 230050a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 23011da177e4SLinus Torvalds 23021da177e4SLinus Torvalds#config ACCESSBUS 23031da177e4SLinus Torvalds# bool "Access.Bus support" 23041da177e4SLinus Torvalds# depends on TC 23051da177e4SLinus Torvalds 23061da177e4SLinus Torvaldsconfig MMU 23071da177e4SLinus Torvalds bool 23081da177e4SLinus Torvalds default y 23091da177e4SLinus Torvalds 2310d865bea4SRalf Baechleconfig I8253 2311d865bea4SRalf Baechle bool 23129726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2313d865bea4SRalf Baechle 2314cce335aeSRalf Baechleconfig ZONE_DMA32 2315cce335aeSRalf Baechle bool 2316cce335aeSRalf Baechle 23171da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 23181da177e4SLinus Torvalds 23191da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 23201da177e4SLinus Torvalds 23211da177e4SLinus Torvaldsendmenu 23221da177e4SLinus Torvalds 23231da177e4SLinus Torvaldsmenu "Executable file formats" 23241da177e4SLinus Torvalds 23251da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 23261da177e4SLinus Torvalds 23271da177e4SLinus Torvaldsconfig TRAD_SIGNALS 23281da177e4SLinus Torvalds bool 23291da177e4SLinus Torvalds 23301da177e4SLinus Torvaldsconfig MIPS32_COMPAT 23311da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2332875d43e7SRalf Baechle depends on 64BIT 23331da177e4SLinus Torvalds help 23341da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 23351da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 23361da177e4SLinus Torvalds currently 32-bit you should say Y here. 23371da177e4SLinus Torvalds 23381da177e4SLinus Torvaldsconfig COMPAT 23391da177e4SLinus Torvalds bool 23401da177e4SLinus Torvalds depends on MIPS32_COMPAT 23411da177e4SLinus Torvalds default y 23421da177e4SLinus Torvalds 234305e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 234405e43966SAtsushi Nemoto bool 234505e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 234605e43966SAtsushi Nemoto default y 234705e43966SAtsushi Nemoto 23481da177e4SLinus Torvaldsconfig MIPS32_O32 23491da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 23501da177e4SLinus Torvalds depends on MIPS32_COMPAT 23511da177e4SLinus Torvalds help 23521da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 23531da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 23541da177e4SLinus Torvalds existing binaries are in this format. 23551da177e4SLinus Torvalds 23561da177e4SLinus Torvalds If unsure, say Y. 23571da177e4SLinus Torvalds 23581da177e4SLinus Torvaldsconfig MIPS32_N32 23591da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 23601da177e4SLinus Torvalds depends on MIPS32_COMPAT 23611da177e4SLinus Torvalds help 23621da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 23631da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 23641da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 23651da177e4SLinus Torvalds cases. 23661da177e4SLinus Torvalds 23671da177e4SLinus Torvalds If unsure, say N. 23681da177e4SLinus Torvalds 23691da177e4SLinus Torvaldsconfig BINFMT_ELF32 23701da177e4SLinus Torvalds bool 23711da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 23721da177e4SLinus Torvalds 23732116245eSRalf Baechleendmenu 23741da177e4SLinus Torvalds 23752116245eSRalf Baechlemenu "Power management options" 2376952fa954SRodolfo Giometti 2377363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2378363c55caSWu Zhangjin def_bool y 23793f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2380363c55caSWu Zhangjin 2381f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2382f4cb5700SJohannes Berg def_bool y 23833f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2384f4cb5700SJohannes Berg 23852116245eSRalf Baechlesource "kernel/power/Kconfig" 2386952fa954SRodolfo Giometti 23871da177e4SLinus Torvaldsendmenu 23881da177e4SLinus Torvalds 23899726b43aSWu Zhangjinsource "arch/mips/kernel/cpufreq/Kconfig" 23909726b43aSWu Zhangjin 2391d5950b43SSam Ravnborgsource "net/Kconfig" 2392d5950b43SSam Ravnborg 23931da177e4SLinus Torvaldssource "drivers/Kconfig" 23941da177e4SLinus Torvalds 23951da177e4SLinus Torvaldssource "fs/Kconfig" 23961da177e4SLinus Torvalds 23971da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 23981da177e4SLinus Torvalds 23991da177e4SLinus Torvaldssource "security/Kconfig" 24001da177e4SLinus Torvalds 24011da177e4SLinus Torvaldssource "crypto/Kconfig" 24021da177e4SLinus Torvalds 24031da177e4SLinus Torvaldssource "lib/Kconfig" 2404