11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 5393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 6c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 7f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 8ec7748b5SSam Ravnborg select HAVE_IDE 942d4b839SMathieu Desnoyers select HAVE_OPROFILE 107f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 117f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1288547001SJason Wessel select HAVE_ARCH_KGDB 13490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 14c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 153f5fdb4bSMarkos Chandras select HAVE_BPF_JIT if !CPU_MICROMIPS 167563bbf8SMark Brown select ARCH_HAVE_CUSTOM_GPIO_H 17d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 18538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 19538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2064575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2129c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 22c1bf207dSDavid Daney select HAVE_KPROBES 23c1bf207dSDavid Daney select HAVE_KRETPROBES 24b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 251d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 26e26d196cSDavid Daney select ARCH_BINFMT_ELF_RANDOMIZE_PIE 27383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 2821a41faaSWu Zhangjin select RTC_LIB if !MACH_LOONGSON 292b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 307463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 3148e1fd5aSDavid Daney select HAVE_DMA_ATTRS 32f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3348e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 343bd27e32SDavid Daney select GENERIC_IRQ_PROBE 35f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 3678857614SMarkos Chandras select GENERIC_PCI_IOMAP 3794bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 38c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 390f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 409d15ffc8STejun Heo select HAVE_MEMBLOCK 419d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 429d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 43360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 444b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 45cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 46cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 47786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 484febd95aSStephen Rothwell select VIRT_TO_BUS 492f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 502f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5150150d2bSAl Viro select CLONE_BACKWARDS 52d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5319952a92SKees Cook select HAVE_CC_STACKPROTECTOR 54b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 55cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 5690cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 571da177e4SLinus Torvalds 581da177e4SLinus Torvaldsmenu "Machine selection" 591da177e4SLinus Torvalds 605e83d430SRalf Baechlechoice 615e83d430SRalf Baechle prompt "System type" 625e83d430SRalf Baechle default SGI_IP22 631da177e4SLinus Torvalds 6442a4f17dSManuel Laussconfig MIPS_ALCHEMY 65c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 6642a4f17dSManuel Lauss select 64BIT_PHYS_ADDR 67f772cdb2SRalf Baechle select CEVT_R4K 68d7ea335cSSteven J. Hill select CSRC_R4K 6942a4f17dSManuel Lauss select IRQ_CPU 7088e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 7142a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 7242a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 7342a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 74efb12436SAlexandre Courbot select ARCH_REQUIRE_GPIOLIB 751b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 7647440229SManuel Lauss select COMMON_CLK 771da177e4SLinus Torvalds 787ca5dc14SFlorian Fainelliconfig AR7 797ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 807ca5dc14SFlorian Fainelli select BOOT_ELF32 817ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 827ca5dc14SFlorian Fainelli select CEVT_R4K 837ca5dc14SFlorian Fainelli select CSRC_R4K 847ca5dc14SFlorian Fainelli select IRQ_CPU 857ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 867ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 877ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 887ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 897ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 907ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 91377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 921b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 935f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 947ca5dc14SFlorian Fainelli select VLYNQ 958551fb64SYoichi Yuasa select HAVE_CLK 967ca5dc14SFlorian Fainelli help 977ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 987ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 997ca5dc14SFlorian Fainelli 100d4a67d9dSGabor Juhosconfig ATH79 101d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 1026eae43c5SGabor Juhos select ARCH_REQUIRE_GPIOLIB 103d4a67d9dSGabor Juhos select BOOT_RAW 104d4a67d9dSGabor Juhos select CEVT_R4K 105d4a67d9dSGabor Juhos select CSRC_R4K 106d4a67d9dSGabor Juhos select DMA_NONCOHERENT 10794638067SGabor Juhos select HAVE_CLK 1082c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 109d4a67d9dSGabor Juhos select IRQ_CPU 1100aabf1a4SGabor Juhos select MIPS_MACHINE 111d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 112d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 113d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 114d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 115377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 116d4a67d9dSGabor Juhos help 117d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 118d4a67d9dSGabor Juhos 1191c0c13ebSAurelien Jarnoconfig BCM47XX 120c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 1212da4c74dSHauke Mehrtens select ARCH_WANT_OPTIONAL_GPIOLIB 122fe08f8c2SHauke Mehrtens select BOOT_RAW 12342f77542SRalf Baechle select CEVT_R4K 124940f6b48SRalf Baechle select CSRC_R4K 1251c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1261c0c13ebSAurelien Jarno select HW_HAS_PCI 1271c0c13ebSAurelien Jarno select IRQ_CPU 128314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 129dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1301c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1311c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 132377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 13325e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 134e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 135c949c0bcSRafał Miłecki select GPIOLIB 136c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 1371c0c13ebSAurelien Jarno help 1381c0c13ebSAurelien Jarno Support for BCM47XX based boards 1391c0c13ebSAurelien Jarno 140e7300d04SMaxime Bizonconfig BCM63XX 141e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 142ae8de61cSFlorian Fainelli select BOOT_RAW 143e7300d04SMaxime Bizon select CEVT_R4K 144e7300d04SMaxime Bizon select CSRC_R4K 145fc264022SJonas Gorski select SYNC_R4K 146e7300d04SMaxime Bizon select DMA_NONCOHERENT 147e7300d04SMaxime Bizon select IRQ_CPU 148e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 149e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 150e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 151e7300d04SMaxime Bizon select SWAP_IO_SPACE 152e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 1533e82eeebSYoichi Yuasa select HAVE_CLK 154af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 155e7300d04SMaxime Bizon help 156e7300d04SMaxime Bizon Support for BCM63XX based boards 157e7300d04SMaxime Bizon 1581da177e4SLinus Torvaldsconfig MIPS_COBALT 1593fa986faSMartin Michlmayr bool "Cobalt Server" 16042f77542SRalf Baechle select CEVT_R4K 161940f6b48SRalf Baechle select CSRC_R4K 1621097c6acSYoichi Yuasa select CEVT_GT641XX 1631da177e4SLinus Torvalds select DMA_NONCOHERENT 1641da177e4SLinus Torvalds select HW_HAS_PCI 165d865bea4SRalf Baechle select I8253 1661da177e4SLinus Torvalds select I8259 1671da177e4SLinus Torvalds select IRQ_CPU 168d5ab1a69SYoichi Yuasa select IRQ_GT641XX 169252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 170e25bfc92SYoichi Yuasa select PCI 1717cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1720a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 173ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 1740e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 1755e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 176e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 1771da177e4SLinus Torvalds 1781da177e4SLinus Torvaldsconfig MACH_DECSTATION 1793fa986faSMartin Michlmayr bool "DECstations" 1801da177e4SLinus Torvalds select BOOT_ELF32 1816457d9fcSYoichi Yuasa select CEVT_DS1287 18281d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 1834247417dSYoichi Yuasa select CSRC_IOASIC 18481d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 18520d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 18620d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 18720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 1881da177e4SLinus Torvalds select DMA_NONCOHERENT 189ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 1901da177e4SLinus Torvalds select IRQ_CPU 1917cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 1927cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 193ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 1947d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 1955e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1961723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 1971723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 1981723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 199930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2005e83d430SRalf Baechle help 2011da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2021da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2031da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2041da177e4SLinus Torvalds 2051da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2061da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2071da177e4SLinus Torvalds 2081da177e4SLinus Torvalds DECstation 5000/50 2091da177e4SLinus Torvalds DECstation 5000/150 2101da177e4SLinus Torvalds DECstation 5000/260 2111da177e4SLinus Torvalds DECsystem 5900/260 2121da177e4SLinus Torvalds 2131da177e4SLinus Torvalds otherwise choose R3000. 2141da177e4SLinus Torvalds 2155e83d430SRalf Baechleconfig MACH_JAZZ 2163fa986faSMartin Michlmayr bool "Jazz family of machines" 2170e2794b0SRalf Baechle select FW_ARC 2180e2794b0SRalf Baechle select FW_ARC32 2195e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 22042f77542SRalf Baechle select CEVT_R4K 221940f6b48SRalf Baechle select CSRC_R4K 222e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2235e83d430SRalf Baechle select GENERIC_ISA_DMA 2248a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 225ea202c63SThomas Bogendoerfer select IRQ_CPU 226d865bea4SRalf Baechle select I8253 2275e83d430SRalf Baechle select I8259 2285e83d430SRalf Baechle select ISA 2297cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2305e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2317d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2321723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2331da177e4SLinus Torvalds help 2345e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2355e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 236692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 2375e83d430SRalf Baechle Olivetti M700-10 workstations. 2385e83d430SRalf Baechle 2395ebabe59SLars-Peter Clausenconfig MACH_JZ4740 2405ebabe59SLars-Peter Clausen bool "Ingenic JZ4740 based machines" 2415ebabe59SLars-Peter Clausen select SYS_HAS_CPU_MIPS32_R1 2425ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 2435ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 244f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 2455ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 2465ebabe59SLars-Peter Clausen select IRQ_CPU 2475ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 2485ebabe59SLars-Peter Clausen select SYS_HAS_EARLY_PRINTK 249ab5330ebSMaurus Cuelenaere select HAVE_CLK 25083bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 2515ebabe59SLars-Peter Clausen 252171bb2f1SJohn Crispinconfig LANTIQ 253171bb2f1SJohn Crispin bool "Lantiq based platforms" 254171bb2f1SJohn Crispin select DMA_NONCOHERENT 255171bb2f1SJohn Crispin select IRQ_CPU 256171bb2f1SJohn Crispin select CEVT_R4K 257171bb2f1SJohn Crispin select CSRC_R4K 258171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 259171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 260171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 261171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 262377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 263171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 264171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 265171bb2f1SJohn Crispin select ARCH_REQUIRE_GPIOLIB 266171bb2f1SJohn Crispin select SWAP_IO_SPACE 267171bb2f1SJohn Crispin select BOOT_RAW 268287e3f3fSJohn Crispin select HAVE_MACH_CLKDEV 269287e3f3fSJohn Crispin select CLKDEV_LOOKUP 270a0392222SJohn Crispin select USE_OF 2713f8c50c9SJohn Crispin select PINCTRL 2723f8c50c9SJohn Crispin select PINCTRL_LANTIQ 273171bb2f1SJohn Crispin 2741f21d2bdSBrian Murphyconfig LASAT 2751f21d2bdSBrian Murphy bool "LASAT Networks platforms" 27642f77542SRalf Baechle select CEVT_R4K 27716f0bbbcSRalf Baechle select CRC32 278940f6b48SRalf Baechle select CSRC_R4K 2791f21d2bdSBrian Murphy select DMA_NONCOHERENT 2801f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 2811f21d2bdSBrian Murphy select HW_HAS_PCI 282a5ccfe5cSRalf Baechle select IRQ_CPU 2831f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 2841f21d2bdSBrian Murphy select MIPS_NILE4 2851f21d2bdSBrian Murphy select R5000_CPU_SCACHE 2861f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 2871f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 2881f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 2891f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 2901f21d2bdSBrian Murphy 29185749d24SWu Zhangjinconfig MACH_LOONGSON 29285749d24SWu Zhangjin bool "Loongson family of machines" 293c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 294ade299d8SYoichi Yuasa help 29585749d24SWu Zhangjin This enables the support of Loongson family of machines. 29685749d24SWu Zhangjin 29785749d24SWu Zhangjin Loongson is a family of general-purpose MIPS-compatible CPUs. 29885749d24SWu Zhangjin developed at Institute of Computing Technology (ICT), 29985749d24SWu Zhangjin Chinese Academy of Sciences (CAS) in the People's Republic 30085749d24SWu Zhangjin of China. The chief architect is Professor Weiwu Hu. 301ade299d8SYoichi Yuasa 302ca585cf9SKelvin Cheungconfig MACH_LOONGSON1 303ca585cf9SKelvin Cheung bool "Loongson 1 family of machines" 304ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 305ca585cf9SKelvin Cheung help 306ca585cf9SKelvin Cheung This enables support for the Loongson 1 based machines. 307ca585cf9SKelvin Cheung 308ca585cf9SKelvin Cheung Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by 309ca585cf9SKelvin Cheung the ICT (Institute of Computing Technology) and the Chinese Academy 310ca585cf9SKelvin Cheung of Sciences. 311ca585cf9SKelvin Cheung 3121da177e4SLinus Torvaldsconfig MIPS_MALTA 3133fa986faSMartin Michlmayr bool "MIPS Malta board" 31461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 3151da177e4SLinus Torvalds select BOOT_ELF32 316fa71c960SRalf Baechle select BOOT_RAW 31742f77542SRalf Baechle select CEVT_R4K 318940f6b48SRalf Baechle select CSRC_R4K 319778eeb1bSSteven J. Hill select CSRC_GIC 320885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 3211da177e4SLinus Torvalds select GENERIC_ISA_DMA 3228a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 323aa414dffSRalf Baechle select IRQ_CPU 3248a19b8f1SAndrew Bresticker select MIPS_GIC 3251da177e4SLinus Torvalds select HW_HAS_PCI 326d865bea4SRalf Baechle select I8253 3271da177e4SLinus Torvalds select I8259 3285e83d430SRalf Baechle select MIPS_BONITO64 3299318c51aSChris Dearman select MIPS_CPU_SCACHE 330*a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 331252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3325e83d430SRalf Baechle select MIPS_MSC 3331da177e4SLinus Torvalds select SWAP_IO_SPACE 3347cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 3357cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 336bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 3377cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 3385d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 3397cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3407cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 341ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 342ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3435e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3445e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3450365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 346e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 347377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 348f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 3499693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 3501b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 3511da177e4SLinus Torvalds help 352f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 3531da177e4SLinus Torvalds board. 3541da177e4SLinus Torvalds 355ec47b274SSteven J. Hillconfig MIPS_SEAD3 356ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 357ec47b274SSteven J. Hill select BOOT_ELF32 358ec47b274SSteven J. Hill select BOOT_RAW 359f262b5f2SAndrew Bresticker select BUILTIN_DTB 360ec47b274SSteven J. Hill select CEVT_R4K 361ec47b274SSteven J. Hill select CSRC_R4K 362dfa762e1SSteven J. Hill select CSRC_GIC 363ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 364ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 365ec47b274SSteven J. Hill select DMA_NONCOHERENT 366ec47b274SSteven J. Hill select IRQ_CPU 3678a19b8f1SAndrew Bresticker select MIPS_GIC 36844327236SQais Yousef select LIBFDT 369ec47b274SSteven J. Hill select MIPS_MSC 370ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 371ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 372ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 373ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 374ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 375ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 376ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 377ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 378ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 379a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 380377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 381ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 382ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 3839b731009SSteven J. Hill select USE_OF 384ec47b274SSteven J. Hill help 385ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 386ec47b274SSteven J. Hill board. 387ec47b274SSteven J. Hill 388a83860c2SRalf Baechleconfig NEC_MARKEINS 389a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 390a83860c2SRalf Baechle select SOC_EMMA2RH 391a83860c2SRalf Baechle select HW_HAS_PCI 392a83860c2SRalf Baechle help 393a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 394ade299d8SYoichi Yuasa 3955e83d430SRalf Baechleconfig MACH_VR41XX 39674142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 39742f77542SRalf Baechle select CEVT_R4K 398940f6b48SRalf Baechle select CSRC_R4K 3997cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 400377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 40127fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 4025e83d430SRalf Baechle 403edb6310aSDaniel Lairdconfig NXP_STB220 404edb6310aSDaniel Laird bool "NXP STB220 board" 405edb6310aSDaniel Laird select SOC_PNX833X 406edb6310aSDaniel Laird help 407edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 408edb6310aSDaniel Laird 409edb6310aSDaniel Lairdconfig NXP_STB225 410edb6310aSDaniel Laird bool "NXP 225 board" 411edb6310aSDaniel Laird select SOC_PNX833X 412edb6310aSDaniel Laird select SOC_PNX8335 413edb6310aSDaniel Laird help 414edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 415edb6310aSDaniel Laird 4169267a30dSMarc St-Jeanconfig PMC_MSP 4179267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 41839d30c13SAnoop P A select CEVT_R4K 41939d30c13SAnoop P A select CSRC_R4K 4209267a30dSMarc St-Jean select DMA_NONCOHERENT 4219267a30dSMarc St-Jean select SWAP_IO_SPACE 4229267a30dSMarc St-Jean select NO_EXCEPT_FILL 4239267a30dSMarc St-Jean select BOOT_RAW 4249267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 4259267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 4269267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 4279267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 428377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 4299267a30dSMarc St-Jean select IRQ_CPU 4309267a30dSMarc St-Jean select SERIAL_8250 4319267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 4329296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 4339296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 4349267a30dSMarc St-Jean help 4359267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 4369267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 4379267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 4389267a30dSMarc St-Jean a variety of MIPS cores. 4399267a30dSMarc St-Jean 440ae2b5bb6SJohn Crispinconfig RALINK 441ae2b5bb6SJohn Crispin bool "Ralink based machines" 442ae2b5bb6SJohn Crispin select CEVT_R4K 443ae2b5bb6SJohn Crispin select CSRC_R4K 444ae2b5bb6SJohn Crispin select BOOT_RAW 445ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 446ae2b5bb6SJohn Crispin select IRQ_CPU 447ae2b5bb6SJohn Crispin select USE_OF 448ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 449ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 450ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 451ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 452377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 453ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 454ae2b5bb6SJohn Crispin select HAVE_MACH_CLKDEV 455ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 4562a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 4572a153f1cSJohn Crispin select RESET_CONTROLLER 458ae2b5bb6SJohn Crispin 4591da177e4SLinus Torvaldsconfig SGI_IP22 4603fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 4610e2794b0SRalf Baechle select FW_ARC 4620e2794b0SRalf Baechle select FW_ARC32 4631da177e4SLinus Torvalds select BOOT_ELF32 46442f77542SRalf Baechle select CEVT_R4K 465940f6b48SRalf Baechle select CSRC_R4K 466e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4671da177e4SLinus Torvalds select DMA_NONCOHERENT 4685e83d430SRalf Baechle select HW_HAS_EISA 469d865bea4SRalf Baechle select I8253 47068de4803SThomas Bogendoerfer select I8259 4711da177e4SLinus Torvalds select IP22_CPU_SCACHE 4721da177e4SLinus Torvalds select IRQ_CPU 473aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 474e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 475e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 47636e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 477e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 478e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 479e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 4801da177e4SLinus Torvalds select SWAP_IO_SPACE 4817cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4827cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4832b5e63f6SMartin Michlmayr # 4842b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 4852b5e63f6SMartin Michlmayr # memory during early boot on some machines. 4862b5e63f6SMartin Michlmayr # 4872b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 4882b5e63f6SMartin Michlmayr # for a more details discussion 4892b5e63f6SMartin Michlmayr # 4902b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 491ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 492ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4935e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 494930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 4951da177e4SLinus Torvalds help 4961da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 4971da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 4981da177e4SLinus Torvalds that runs on these, say Y here. 4991da177e4SLinus Torvalds 5001da177e4SLinus Torvaldsconfig SGI_IP27 5013fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 5020e2794b0SRalf Baechle select FW_ARC 5030e2794b0SRalf Baechle select FW_ARC64 5045e83d430SRalf Baechle select BOOT_ELF64 505e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 506634286f1SRalf Baechle select DMA_COHERENT 50736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 5081da177e4SLinus Torvalds select HW_HAS_PCI 509130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 5107cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 511ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5125e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 513d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 5141a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 515930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5161da177e4SLinus Torvalds help 5171da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 5181da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 5191da177e4SLinus Torvalds here. 5201da177e4SLinus Torvalds 521e2defae5SThomas Bogendoerferconfig SGI_IP28 5227d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 5230e2794b0SRalf Baechle select FW_ARC 5240e2794b0SRalf Baechle select FW_ARC64 525e2defae5SThomas Bogendoerfer select BOOT_ELF64 526e2defae5SThomas Bogendoerfer select CEVT_R4K 527e2defae5SThomas Bogendoerfer select CSRC_R4K 528e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 529e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 530e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 531e2defae5SThomas Bogendoerfer select IRQ_CPU 532e2defae5SThomas Bogendoerfer select HW_HAS_EISA 533e2defae5SThomas Bogendoerfer select I8253 534e2defae5SThomas Bogendoerfer select I8259 535e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 536e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 5375b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 538e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 539e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 540e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 541e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 542e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 5432b5e63f6SMartin Michlmayr # 5442b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5452b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5462b5e63f6SMartin Michlmayr # 5472b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5482b5e63f6SMartin Michlmayr # for a more details discussion 5492b5e63f6SMartin Michlmayr # 5502b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 551e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 552e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 553dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 554e2defae5SThomas Bogendoerfer help 555e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 556e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 557e2defae5SThomas Bogendoerfer 5581da177e4SLinus Torvaldsconfig SGI_IP32 559cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 5600e2794b0SRalf Baechle select FW_ARC 5610e2794b0SRalf Baechle select FW_ARC32 5621da177e4SLinus Torvalds select BOOT_ELF32 56342f77542SRalf Baechle select CEVT_R4K 564940f6b48SRalf Baechle select CSRC_R4K 5651da177e4SLinus Torvalds select DMA_NONCOHERENT 5661da177e4SLinus Torvalds select HW_HAS_PCI 567dd67b155SRalf Baechle select IRQ_CPU 5681da177e4SLinus Torvalds select R5000_CPU_SCACHE 5691da177e4SLinus Torvalds select RM7000_CPU_SCACHE 5707cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 5717cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 5727cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 573dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 574ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5755e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5761da177e4SLinus Torvalds help 5771da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 5781da177e4SLinus Torvalds 579ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 580ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 5815e83d430SRalf Baechle select BOOT_ELF32 5825e83d430SRalf Baechle select DMA_COHERENT 5835e83d430SRalf Baechle select SIBYTE_BCM1120 5845e83d430SRalf Baechle select SWAP_IO_SPACE 5857cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5865e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5875e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5885e83d430SRalf Baechle 589ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 590ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 5915e83d430SRalf Baechle select BOOT_ELF32 5925e83d430SRalf Baechle select DMA_COHERENT 5935e83d430SRalf Baechle select SIBYTE_BCM1120 5945e83d430SRalf Baechle select SWAP_IO_SPACE 5957cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5965e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5975e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5985e83d430SRalf Baechle 5995e83d430SRalf Baechleconfig SIBYTE_CRHONE 6003fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 6015e83d430SRalf Baechle select BOOT_ELF32 6025e83d430SRalf Baechle select DMA_COHERENT 6035e83d430SRalf Baechle select SIBYTE_BCM1125 6045e83d430SRalf Baechle select SWAP_IO_SPACE 6057cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6065e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6075e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6085e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6095e83d430SRalf Baechle 610ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 611ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 612ade299d8SYoichi Yuasa select BOOT_ELF32 613ade299d8SYoichi Yuasa select DMA_COHERENT 614ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 615ade299d8SYoichi Yuasa select SWAP_IO_SPACE 616ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 617ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 618ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 619ade299d8SYoichi Yuasa 620ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 621ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 622ade299d8SYoichi Yuasa select BOOT_ELF32 623ade299d8SYoichi Yuasa select DMA_COHERENT 624fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 625ade299d8SYoichi Yuasa select SIBYTE_SB1250 626ade299d8SYoichi Yuasa select SWAP_IO_SPACE 627ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 628ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 629ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 630ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 631cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 632ade299d8SYoichi Yuasa 633ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 634ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 635ade299d8SYoichi Yuasa select BOOT_ELF32 636ade299d8SYoichi Yuasa select DMA_COHERENT 637fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 638ade299d8SYoichi Yuasa select SIBYTE_SB1250 639ade299d8SYoichi Yuasa select SWAP_IO_SPACE 640ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 641ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 642ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 643ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 644ade299d8SYoichi Yuasa 645ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 646ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 647ade299d8SYoichi Yuasa select BOOT_ELF32 648ade299d8SYoichi Yuasa select DMA_COHERENT 649ade299d8SYoichi Yuasa select SIBYTE_SB1250 650ade299d8SYoichi Yuasa select SWAP_IO_SPACE 651ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 652ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 653ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 654ade299d8SYoichi Yuasa 655ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 656ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 657ade299d8SYoichi Yuasa select BOOT_ELF32 658ade299d8SYoichi Yuasa select DMA_COHERENT 659ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 660ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 661ade299d8SYoichi Yuasa select SWAP_IO_SPACE 662ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 663ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 664651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 665ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 666cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 667ade299d8SYoichi Yuasa 66814b36af4SThomas Bogendoerferconfig SNI_RM 66914b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 6700e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 6710e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 672aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 6735e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 6745e83d430SRalf Baechle select BOOT_ELF32 67542f77542SRalf Baechle select CEVT_R4K 676940f6b48SRalf Baechle select CSRC_R4K 677e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 6785e83d430SRalf Baechle select DMA_NONCOHERENT 6795e83d430SRalf Baechle select GENERIC_ISA_DMA 6808a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 6815e83d430SRalf Baechle select HW_HAS_EISA 6825e83d430SRalf Baechle select HW_HAS_PCI 683c066a32aSThomas Bogendoerfer select IRQ_CPU 684d865bea4SRalf Baechle select I8253 6855e83d430SRalf Baechle select I8259 6865e83d430SRalf Baechle select ISA 6874a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 6887cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6894a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 690c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 6914a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 69236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 693ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 6947d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 6954a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 6965e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6975e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6981da177e4SLinus Torvalds help 69914b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 70014b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 7015e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 7025e83d430SRalf Baechle support this machine type. 7031da177e4SLinus Torvalds 704edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 705edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 7065e83d430SRalf Baechle 707edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 708edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 70923fbee9dSRalf Baechle 71073b4390fSRalf Baechleconfig MIKROTIK_RB532 71173b4390fSRalf Baechle bool "Mikrotik RB532 boards" 71273b4390fSRalf Baechle select CEVT_R4K 71373b4390fSRalf Baechle select CSRC_R4K 71473b4390fSRalf Baechle select DMA_NONCOHERENT 71573b4390fSRalf Baechle select HW_HAS_PCI 71673b4390fSRalf Baechle select IRQ_CPU 71773b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 71873b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 71973b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 72073b4390fSRalf Baechle select SWAP_IO_SPACE 72173b4390fSRalf Baechle select BOOT_RAW 722d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 723930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 72473b4390fSRalf Baechle help 72573b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 72673b4390fSRalf Baechle based on the IDT RC32434 SoC. 72773b4390fSRalf Baechle 7289ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 7299ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 730a86c7f72SDavid Daney select CEVT_R4K 731a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 732a86c7f72SDavid Daney select DMA_COHERENT 733a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 734a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 735f65aad41SRalf Baechle select EDAC_SUPPORT 736773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 737a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 7385e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 739a86c7f72SDavid Daney select SWAP_IO_SPACE 740e8635b48SDavid Daney select HW_HAS_PCI 741f00e001eSDavid Daney select ZONE_DMA32 742465aaed0SDavid Daney select HOLES_IN_ZONE 74399cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 7446e511163SDavid Daney select LIBFDT 7456e511163SDavid Daney select USE_OF 7466e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 7476e511163SDavid Daney select SYS_SUPPORTS_SMP 7486e511163SDavid Daney select NR_CPUS_DEFAULT_16 749e326479fSAndrew Bresticker select BUILTIN_DTB 750a86c7f72SDavid Daney help 751a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 752a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 753a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 754a86c7f72SDavid Daney Some of the supported boards are: 755a86c7f72SDavid Daney EBT3000 756a86c7f72SDavid Daney EBH3000 757a86c7f72SDavid Daney EBH3100 758a86c7f72SDavid Daney Thunder 759a86c7f72SDavid Daney Kodama 760a86c7f72SDavid Daney Hikari 761a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 762a86c7f72SDavid Daney 7637f058e85SJayachandran Cconfig NLM_XLR_BOARD 7647f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 7657f058e85SJayachandran C select BOOT_ELF32 7667f058e85SJayachandran C select NLM_COMMON 7677f058e85SJayachandran C select SYS_HAS_CPU_XLR 7687f058e85SJayachandran C select SYS_SUPPORTS_SMP 7697f058e85SJayachandran C select HW_HAS_PCI 7707f058e85SJayachandran C select SWAP_IO_SPACE 7717f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 7727f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 7737f058e85SJayachandran C select 64BIT_PHYS_ADDR 7747f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 7757f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 7767f058e85SJayachandran C select DMA_COHERENT 7777f058e85SJayachandran C select NR_CPUS_DEFAULT_32 7787f058e85SJayachandran C select CEVT_R4K 7797f058e85SJayachandran C select CSRC_R4K 7807f058e85SJayachandran C select IRQ_CPU 781b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 7827f058e85SJayachandran C select SYNC_R4K 7837f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 7848f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 7858f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 7867f058e85SJayachandran C help 7877f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 7887f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 7897f058e85SJayachandran C 7901c773ea4SJayachandran Cconfig NLM_XLP_BOARD 7911c773ea4SJayachandran C bool "Netlogic XLP based systems" 7921c773ea4SJayachandran C select BOOT_ELF32 7931c773ea4SJayachandran C select NLM_COMMON 7941c773ea4SJayachandran C select SYS_HAS_CPU_XLP 7951c773ea4SJayachandran C select SYS_SUPPORTS_SMP 7961c773ea4SJayachandran C select HW_HAS_PCI 7971c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 7981c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 7991c773ea4SJayachandran C select 64BIT_PHYS_ADDR 8001c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8011c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 8021c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 8031c773ea4SJayachandran C select DMA_COHERENT 8041c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 8051c773ea4SJayachandran C select CEVT_R4K 8061c773ea4SJayachandran C select CSRC_R4K 8071c773ea4SJayachandran C select IRQ_CPU 808b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8091c773ea4SJayachandran C select SYNC_R4K 8101c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 8112f6528e1SJayachandran C select USE_OF 8128f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8138f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8141c773ea4SJayachandran C help 8151c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 8161c773ea4SJayachandran C Say Y here if you have a XLP based board. 8171c773ea4SJayachandran C 8189bc463beSDavid Daneyconfig MIPS_PARAVIRT 8199bc463beSDavid Daney bool "Para-Virtualized guest system" 8209bc463beSDavid Daney select CEVT_R4K 8219bc463beSDavid Daney select CSRC_R4K 8229bc463beSDavid Daney select DMA_COHERENT 8239bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 8249bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 8259bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 8269bc463beSDavid Daney select SYS_SUPPORTS_SMP 8279bc463beSDavid Daney select NR_CPUS_DEFAULT_4 8289bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 8299bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 8309bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 8319bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 8329bc463beSDavid Daney select HW_HAS_PCI 8339bc463beSDavid Daney select SWAP_IO_SPACE 8349bc463beSDavid Daney help 8359bc463beSDavid Daney This option supports guest running under ???? 8369bc463beSDavid Daney 8371da177e4SLinus Torvaldsendchoice 8381da177e4SLinus Torvalds 839e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 840d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 841a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 842e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 8435e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 8445ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 8458ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 8461f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 8470f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 848ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 84929c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 85038b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 85122b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 8525e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 853a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 85485749d24SWu Zhangjinsource "arch/mips/loongson/Kconfig" 855ca585cf9SKelvin Cheungsource "arch/mips/loongson1/Kconfig" 8567f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 857ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 85838b18f72SRalf Baechle 8595e83d430SRalf Baechleendmenu 8605e83d430SRalf Baechle 8611da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 8621da177e4SLinus Torvalds bool 8631da177e4SLinus Torvalds default y 8641da177e4SLinus Torvalds 8651da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 8661da177e4SLinus Torvalds bool 8671da177e4SLinus Torvalds 868f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 869f0d1b0b3SDavid Howells bool 870f0d1b0b3SDavid Howells default n 871f0d1b0b3SDavid Howells 872f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 873f0d1b0b3SDavid Howells bool 874f0d1b0b3SDavid Howells default n 875f0d1b0b3SDavid Howells 8763c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 8773c9ee7efSAkinobu Mita bool 8783c9ee7efSAkinobu Mita default y 8793c9ee7efSAkinobu Mita 8801da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 8811da177e4SLinus Torvalds bool 8821da177e4SLinus Torvalds default y 8831da177e4SLinus Torvalds 884ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 8851cc89038SAtsushi Nemoto bool 8861cc89038SAtsushi Nemoto default y 8871cc89038SAtsushi Nemoto 8881da177e4SLinus Torvalds# 8891da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 8901da177e4SLinus Torvalds# 8910e2794b0SRalf Baechleconfig FW_ARC 8921da177e4SLinus Torvalds bool 8931da177e4SLinus Torvalds 89461ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 89561ed242dSRalf Baechle bool 89661ed242dSRalf Baechle 8979267a30dSMarc St-Jeanconfig BOOT_RAW 8989267a30dSMarc St-Jean bool 8999267a30dSMarc St-Jean 900217dd11eSRalf Baechleconfig CEVT_BCM1480 901217dd11eSRalf Baechle bool 902217dd11eSRalf Baechle 9036457d9fcSYoichi Yuasaconfig CEVT_DS1287 9046457d9fcSYoichi Yuasa bool 9056457d9fcSYoichi Yuasa 9061097c6acSYoichi Yuasaconfig CEVT_GT641XX 9071097c6acSYoichi Yuasa bool 9081097c6acSYoichi Yuasa 90942f77542SRalf Baechleconfig CEVT_R4K 91042f77542SRalf Baechle bool 91142f77542SRalf Baechle 9120ab2b7d0SRaghu Gandhamconfig CEVT_GIC 913237036deSPaul Burton select MIPS_CM 9140ab2b7d0SRaghu Gandham bool 9150ab2b7d0SRaghu Gandham 916217dd11eSRalf Baechleconfig CEVT_SB1250 917217dd11eSRalf Baechle bool 918217dd11eSRalf Baechle 919229f773eSAtsushi Nemotoconfig CEVT_TXX9 920229f773eSAtsushi Nemoto bool 921229f773eSAtsushi Nemoto 922217dd11eSRalf Baechleconfig CSRC_BCM1480 923217dd11eSRalf Baechle bool 924217dd11eSRalf Baechle 9254247417dSYoichi Yuasaconfig CSRC_IOASIC 9264247417dSYoichi Yuasa bool 9274247417dSYoichi Yuasa 928940f6b48SRalf Baechleconfig CSRC_R4K 929940f6b48SRalf Baechle bool 930940f6b48SRalf Baechle 931778eeb1bSSteven J. Hillconfig CSRC_GIC 932237036deSPaul Burton select MIPS_CM 933778eeb1bSSteven J. Hill bool 934778eeb1bSSteven J. Hill 935217dd11eSRalf Baechleconfig CSRC_SB1250 936217dd11eSRalf Baechle bool 937217dd11eSRalf Baechle 938a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 9397444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 940a9aec7feSAtsushi Nemoto bool 941a9aec7feSAtsushi Nemoto 9420e2794b0SRalf Baechleconfig FW_CFE 943df78b5c8SAurelien Jarno bool 944df78b5c8SAurelien Jarno 9454bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 9464bafad92SFUJITA Tomonori def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT 9474bafad92SFUJITA Tomonori 948885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 949885014bcSFelix Fietkau select DMA_NONCOHERENT 950885014bcSFelix Fietkau bool 951885014bcSFelix Fietkau 9521da177e4SLinus Torvaldsconfig DMA_COHERENT 9531da177e4SLinus Torvalds bool 9541da177e4SLinus Torvalds 9551da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 9561da177e4SLinus Torvalds bool 957e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 9584ce588cdSRalf Baechle 959e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 9604ce588cdSRalf Baechle bool 9611da177e4SLinus Torvalds 96236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 9631da177e4SLinus Torvalds bool 9641da177e4SLinus Torvalds 965dbb74540SRalf Baechleconfig HOTPLUG_CPU 9661b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 96740b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 9681b2bc75cSRalf Baechle help 9691b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 9701b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 9711b2bc75cSRalf Baechle (Note: power management support will enable this option 9721b2bc75cSRalf Baechle automatically on SMP systems. ) 9731b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 9741b2bc75cSRalf Baechle 9751b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 976dbb74540SRalf Baechle bool 977dbb74540SRalf Baechle 9781da177e4SLinus Torvaldsconfig I8259 9791da177e4SLinus Torvalds bool 980079a4601SAndrew Bresticker select IRQ_DOMAIN 9811da177e4SLinus Torvalds 9821da177e4SLinus Torvaldsconfig MIPS_BONITO64 9831da177e4SLinus Torvalds bool 9841da177e4SLinus Torvalds 9851da177e4SLinus Torvaldsconfig MIPS_MSC 9861da177e4SLinus Torvalds bool 9871da177e4SLinus Torvalds 9881f21d2bdSBrian Murphyconfig MIPS_NILE4 9891f21d2bdSBrian Murphy bool 9901f21d2bdSBrian Murphy 99139b8d525SRalf Baechleconfig SYNC_R4K 99239b8d525SRalf Baechle bool 99339b8d525SRalf Baechle 994487d70d0SGabor Juhosconfig MIPS_MACHINE 995487d70d0SGabor Juhos def_bool n 996487d70d0SGabor Juhos 997ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 998d388d685SMaciej W. Rozycki def_bool n 999d388d685SMaciej W. Rozycki 10008313da30SRalf Baechleconfig GENERIC_ISA_DMA 10018313da30SRalf Baechle bool 10028313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1003a35bee8aSNamhyung Kim select ISA_DMA_API 10048313da30SRalf Baechle 1005aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1006aa414dffSRalf Baechle bool 10078313da30SRalf Baechle select GENERIC_ISA_DMA 1008aa414dffSRalf Baechle 1009a35bee8aSNamhyung Kimconfig ISA_DMA_API 1010a35bee8aSNamhyung Kim bool 1011a35bee8aSNamhyung Kim 1012465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1013465aaed0SDavid Daney bool 1014465aaed0SDavid Daney 10155e83d430SRalf Baechle# 10166b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 10175e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 10185e83d430SRalf Baechle# choice statement should be more obvious to the user. 10195e83d430SRalf Baechle# 10205e83d430SRalf Baechlechoice 10216b2aac42SMasanari Iida prompt "Endianness selection" 10221da177e4SLinus Torvalds help 10231da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 10245e83d430SRalf Baechle byte order. These modes require different kernels and a different 10253cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 10265e83d430SRalf Baechle particular system but some systems are just as commonly used in the 10273dde6ad8SDavid Sterba one or the other endianness. 10285e83d430SRalf Baechle 10295e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 10305e83d430SRalf Baechle bool "Big endian" 10315e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 10325e83d430SRalf Baechle 10335e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 10345e83d430SRalf Baechle bool "Little endian" 10355e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 10365e83d430SRalf Baechle 10375e83d430SRalf Baechleendchoice 10385e83d430SRalf Baechle 103922b0763aSDavid Daneyconfig EXPORT_UASM 104022b0763aSDavid Daney bool 104122b0763aSDavid Daney 10422116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 10432116245eSRalf Baechle bool 10442116245eSRalf Baechle 10455e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 10465e83d430SRalf Baechle bool 10475e83d430SRalf Baechle 10485e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 10495e83d430SRalf Baechle bool 10501da177e4SLinus Torvalds 10519cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 10529cffd154SDavid Daney bool 10539cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 10549cffd154SDavid Daney default y 10559cffd154SDavid Daney 1056aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1057aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1058aa1762f4SDavid Daney 10591da177e4SLinus Torvaldsconfig IRQ_CPU 10601da177e4SLinus Torvalds bool 10610f84c305SAndrew Bresticker select IRQ_DOMAIN 10621da177e4SLinus Torvalds 10631da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 10641da177e4SLinus Torvalds bool 10651da177e4SLinus Torvalds 10669267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 10679267a30dSMarc St-Jean bool 10689267a30dSMarc St-Jean 10699267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 10709267a30dSMarc St-Jean bool 10719267a30dSMarc St-Jean 10728420fd00SAtsushi Nemotoconfig IRQ_TXX9 10738420fd00SAtsushi Nemoto bool 10748420fd00SAtsushi Nemoto 1075d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1076d5ab1a69SYoichi Yuasa bool 1077d5ab1a69SYoichi Yuasa 1078252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 10791da177e4SLinus Torvalds bool 10801da177e4SLinus Torvalds 10819267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 10829267a30dSMarc St-Jean bool 10839267a30dSMarc St-Jean 1084a83860c2SRalf Baechleconfig SOC_EMMA2RH 1085a83860c2SRalf Baechle bool 1086a83860c2SRalf Baechle select CEVT_R4K 1087a83860c2SRalf Baechle select CSRC_R4K 1088a83860c2SRalf Baechle select DMA_NONCOHERENT 1089a83860c2SRalf Baechle select IRQ_CPU 1090a83860c2SRalf Baechle select SWAP_IO_SPACE 1091a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1092a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1093a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1094a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1095a83860c2SRalf Baechle 1096edb6310aSDaniel Lairdconfig SOC_PNX833X 1097edb6310aSDaniel Laird bool 1098edb6310aSDaniel Laird select CEVT_R4K 1099edb6310aSDaniel Laird select CSRC_R4K 1100edb6310aSDaniel Laird select IRQ_CPU 1101edb6310aSDaniel Laird select DMA_NONCOHERENT 1102edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1103edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1104edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1105edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1106377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1107edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1108edb6310aSDaniel Laird 1109edb6310aSDaniel Lairdconfig SOC_PNX8335 1110edb6310aSDaniel Laird bool 1111edb6310aSDaniel Laird select SOC_PNX833X 1112edb6310aSDaniel Laird 11131da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 11141da177e4SLinus Torvalds bool 11151da177e4SLinus Torvalds 1116e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1117e2defae5SThomas Bogendoerfer bool 1118e2defae5SThomas Bogendoerfer 11195b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 11205b438c44SThomas Bogendoerfer bool 11215b438c44SThomas Bogendoerfer 1122e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1123e2defae5SThomas Bogendoerfer bool 1124e2defae5SThomas Bogendoerfer 1125e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1126e2defae5SThomas Bogendoerfer bool 1127e2defae5SThomas Bogendoerfer 1128e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1129e2defae5SThomas Bogendoerfer bool 1130e2defae5SThomas Bogendoerfer 1131e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1132e2defae5SThomas Bogendoerfer bool 1133e2defae5SThomas Bogendoerfer 1134e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1135e2defae5SThomas Bogendoerfer bool 1136e2defae5SThomas Bogendoerfer 11370e2794b0SRalf Baechleconfig FW_ARC32 11385e83d430SRalf Baechle bool 11395e83d430SRalf Baechle 1140aaa9fad3SPaul Bolleconfig FW_SNIPROM 1141231a35d3SThomas Bogendoerfer bool 1142231a35d3SThomas Bogendoerfer 11431da177e4SLinus Torvaldsconfig BOOT_ELF32 11441da177e4SLinus Torvalds bool 11451da177e4SLinus Torvalds 1146930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1147930beb5aSFlorian Fainelli bool 1148930beb5aSFlorian Fainelli 1149930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1150930beb5aSFlorian Fainelli bool 1151930beb5aSFlorian Fainelli 1152930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1153930beb5aSFlorian Fainelli bool 1154930beb5aSFlorian Fainelli 1155930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1156930beb5aSFlorian Fainelli bool 1157930beb5aSFlorian Fainelli 11581da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 11591da177e4SLinus Torvalds int 1160a4c0201eSFlorian Fainelli default "4" if MIPS_L1_CACHE_SHIFT_4 1161a4c0201eSFlorian Fainelli default "5" if MIPS_L1_CACHE_SHIFT_5 1162a4c0201eSFlorian Fainelli default "6" if MIPS_L1_CACHE_SHIFT_6 1163a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 11641da177e4SLinus Torvalds default "5" 11651da177e4SLinus Torvalds 11661da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 11671da177e4SLinus Torvalds bool 11681da177e4SLinus Torvalds 11691da177e4SLinus Torvaldsconfig ARC_CONSOLE 11701da177e4SLinus Torvalds bool "ARC console support" 1171e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 11721da177e4SLinus Torvalds 11731da177e4SLinus Torvaldsconfig ARC_MEMORY 11741da177e4SLinus Torvalds bool 117514b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 11761da177e4SLinus Torvalds default y 11771da177e4SLinus Torvalds 11781da177e4SLinus Torvaldsconfig ARC_PROMLIB 11791da177e4SLinus Torvalds bool 1180e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 11811da177e4SLinus Torvalds default y 11821da177e4SLinus Torvalds 11830e2794b0SRalf Baechleconfig FW_ARC64 11841da177e4SLinus Torvalds bool 11851da177e4SLinus Torvalds 11861da177e4SLinus Torvaldsconfig BOOT_ELF64 11871da177e4SLinus Torvalds bool 11881da177e4SLinus Torvalds 11891da177e4SLinus Torvaldsmenu "CPU selection" 11901da177e4SLinus Torvalds 11911da177e4SLinus Torvaldschoice 11921da177e4SLinus Torvalds prompt "CPU type" 11931da177e4SLinus Torvalds default CPU_R4X00 11941da177e4SLinus Torvalds 11950e476d91SHuacai Chenconfig CPU_LOONGSON3 11960e476d91SHuacai Chen bool "Loongson 3 CPU" 11970e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 11980e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 11990e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 12000e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 12010e476d91SHuacai Chen select WEAK_ORDERING 12020e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 12030e476d91SHuacai Chen help 12040e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 12050e476d91SHuacai Chen set with many extensions. 12060e476d91SHuacai Chen 12073702bba5SWu Zhangjinconfig CPU_LOONGSON2E 12083702bba5SWu Zhangjin bool "Loongson 2E" 12093702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 12103702bba5SWu Zhangjin select CPU_LOONGSON2 12112a21c730SFuxin Zhang help 12122a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 12132a21c730SFuxin Zhang with many extensions. 12142a21c730SFuxin Zhang 121525985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 12166f7a251aSWu Zhangjin bonito64. 12176f7a251aSWu Zhangjin 12186f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 12196f7a251aSWu Zhangjin bool "Loongson 2F" 12206f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 12216f7a251aSWu Zhangjin select CPU_LOONGSON2 1222c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 12236f7a251aSWu Zhangjin help 12246f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 12256f7a251aSWu Zhangjin with many extensions. 12266f7a251aSWu Zhangjin 12276f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 12286f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 12296f7a251aSWu Zhangjin Loongson2E. 12306f7a251aSWu Zhangjin 1231ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1232ca585cf9SKelvin Cheung bool "Loongson 1B" 1233ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1234ca585cf9SKelvin Cheung select CPU_LOONGSON1 1235ca585cf9SKelvin Cheung help 1236ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1237ca585cf9SKelvin Cheung release 2 instruction set. 1238ca585cf9SKelvin Cheung 12396e760c8dSRalf Baechleconfig CPU_MIPS32_R1 12406e760c8dSRalf Baechle bool "MIPS32 Release 1" 12417cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 12426e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1243797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1244ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12456e760c8dSRalf Baechle help 12465e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 12471e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 12481e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 12491e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 12501e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 12511e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 12521e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 12531e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 12541e5f1caaSRalf Baechle performance. 12551e5f1caaSRalf Baechle 12561e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 12571e5f1caaSRalf Baechle bool "MIPS32 Release 2" 12587cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 12591e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1260797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1261ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1262a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 12632235a54dSSanjay Lal select HAVE_KVM 12641e5f1caaSRalf Baechle help 12655e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 12666e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 12676e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 12686e760c8dSRalf Baechle specific type of processor in your system, choose those that one 12696e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 12701da177e4SLinus Torvalds 12716e760c8dSRalf Baechleconfig CPU_MIPS64_R1 12726e760c8dSRalf Baechle bool "MIPS64 Release 1" 12737cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1274797798c1SRalf Baechle select CPU_HAS_PREFETCH 1275ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1276ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1277ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12789cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 12796e760c8dSRalf Baechle help 12806e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 12816e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 12826e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 12836e760c8dSRalf Baechle specific type of processor in your system, choose those that one 12846e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 12851e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 12861e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 12871e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 12881e5f1caaSRalf Baechle performance. 12891e5f1caaSRalf Baechle 12901e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 12911e5f1caaSRalf Baechle bool "MIPS64 Release 2" 12927cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1293797798c1SRalf Baechle select CPU_HAS_PREFETCH 12941e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 12951e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1296ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12979cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1298a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 12991e5f1caaSRalf Baechle help 13001e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 13011e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13021e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13031e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13041e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13051da177e4SLinus Torvalds 13061da177e4SLinus Torvaldsconfig CPU_R3000 13071da177e4SLinus Torvalds bool "R3000" 13087cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1309f7062ddbSRalf Baechle select CPU_HAS_WB 1310ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1311797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13121da177e4SLinus Torvalds help 13131da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 13141da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 13151da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 13161da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 13171da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 13181da177e4SLinus Torvalds try to recompile with R3000. 13191da177e4SLinus Torvalds 13201da177e4SLinus Torvaldsconfig CPU_TX39XX 13211da177e4SLinus Torvalds bool "R39XX" 13227cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1323ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 13241da177e4SLinus Torvalds 13251da177e4SLinus Torvaldsconfig CPU_VR41XX 13261da177e4SLinus Torvalds bool "R41xx" 13277cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1328ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1329ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 13301da177e4SLinus Torvalds help 13315e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 13321da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 13331da177e4SLinus Torvalds kernel built with this option will not run on any other type of 13341da177e4SLinus Torvalds processor or vice versa. 13351da177e4SLinus Torvalds 13361da177e4SLinus Torvaldsconfig CPU_R4300 13371da177e4SLinus Torvalds bool "R4300" 13387cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1339ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1340ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 13411da177e4SLinus Torvalds help 13421da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 13431da177e4SLinus Torvalds 13441da177e4SLinus Torvaldsconfig CPU_R4X00 13451da177e4SLinus Torvalds bool "R4x00" 13467cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1347ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1348ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1349970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13501da177e4SLinus Torvalds help 13511da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 13521da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 13531da177e4SLinus Torvalds 13541da177e4SLinus Torvaldsconfig CPU_TX49XX 13551da177e4SLinus Torvalds bool "R49XX" 13567cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1357de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1358ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1359ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1360970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13611da177e4SLinus Torvalds 13621da177e4SLinus Torvaldsconfig CPU_R5000 13631da177e4SLinus Torvalds bool "R5000" 13647cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1365ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1366ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1367970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13681da177e4SLinus Torvalds help 13691da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 13701da177e4SLinus Torvalds 13711da177e4SLinus Torvaldsconfig CPU_R5432 13721da177e4SLinus Torvalds bool "R5432" 13737cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 13745e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 13755e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1376970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13771da177e4SLinus Torvalds 1378542c1020SShinya Kuribayashiconfig CPU_R5500 1379542c1020SShinya Kuribayashi bool "R5500" 1380542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1381542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1382542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 13839cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1384542c1020SShinya Kuribayashi help 1385542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1386542c1020SShinya Kuribayashi instruction set. 1387542c1020SShinya Kuribayashi 13881da177e4SLinus Torvaldsconfig CPU_R6000 13891da177e4SLinus Torvalds bool "R6000" 13907cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1391ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 13921da177e4SLinus Torvalds help 13931da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1394c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 13951da177e4SLinus Torvalds 13961da177e4SLinus Torvaldsconfig CPU_NEVADA 13971da177e4SLinus Torvalds bool "RM52xx" 13987cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1399ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1400ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1401970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14021da177e4SLinus Torvalds help 14031da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 14041da177e4SLinus Torvalds 14051da177e4SLinus Torvaldsconfig CPU_R8000 14061da177e4SLinus Torvalds bool "R8000" 14077cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 14085e83d430SRalf Baechle select CPU_HAS_PREFETCH 1409ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14101da177e4SLinus Torvalds help 14111da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 14121da177e4SLinus Torvalds uncommon and the support for them is incomplete. 14131da177e4SLinus Torvalds 14141da177e4SLinus Torvaldsconfig CPU_R10000 14151da177e4SLinus Torvalds bool "R10000" 14167cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 14175e83d430SRalf Baechle select CPU_HAS_PREFETCH 1418ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1419ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1420797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1421970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14221da177e4SLinus Torvalds help 14231da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 14241da177e4SLinus Torvalds 14251da177e4SLinus Torvaldsconfig CPU_RM7000 14261da177e4SLinus Torvalds bool "RM7000" 14277cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 14285e83d430SRalf Baechle select CPU_HAS_PREFETCH 1429ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1430ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1431797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1432970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14331da177e4SLinus Torvalds 14341da177e4SLinus Torvaldsconfig CPU_SB1 14351da177e4SLinus Torvalds bool "SB1" 14367cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1437ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1438ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1439797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1440970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14410004a9dfSRalf Baechle select WEAK_ORDERING 14421da177e4SLinus Torvalds 1443a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1444a86c7f72SDavid Daney bool "Cavium Octeon processor" 14455e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1446a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1447a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1448a86c7f72SDavid Daney select WEAK_ORDERING 1449a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 14509cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14519296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 1452930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1453a86c7f72SDavid Daney help 1454a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1455a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1456a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1457a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1458a86c7f72SDavid Daney 1459cd746249SJonas Gorskiconfig CPU_BMIPS 1460cd746249SJonas Gorski bool "Broadcom BMIPS" 1461cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1462cd746249SJonas Gorski select CPU_MIPS32 1463fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1464cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1465cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1466cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1467cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1468cd746249SJonas Gorski select DMA_NONCOHERENT 1469cd746249SJonas Gorski select IRQ_CPU 1470cd746249SJonas Gorski select SWAP_IO_SPACE 1471cd746249SJonas Gorski select WEAK_ORDERING 1472c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 147369aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1474c1c0c461SKevin Cernekee help 1475fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1476c1c0c461SKevin Cernekee 14777f058e85SJayachandran Cconfig CPU_XLR 14787f058e85SJayachandran C bool "Netlogic XLR SoC" 14797f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 14807f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 14817f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 14827f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1483970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14847f058e85SJayachandran C select WEAK_ORDERING 14857f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 14867f058e85SJayachandran C help 14877f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 14881c773ea4SJayachandran C 14891c773ea4SJayachandran Cconfig CPU_XLP 14901c773ea4SJayachandran C bool "Netlogic XLP SoC" 14911c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 14921c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 14931c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 14941c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 14951c773ea4SJayachandran C select WEAK_ORDERING 14961c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 14971c773ea4SJayachandran C select CPU_HAS_PREFETCH 1498d6504846SJayachandran C select CPU_MIPSR2 14991c773ea4SJayachandran C help 15001c773ea4SJayachandran C Netlogic Microsystems XLP processors. 15011da177e4SLinus Torvaldsendchoice 15021da177e4SLinus Torvalds 1503a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1504a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1505a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1506a6e18781SLeonid Yegoshin depends on CPU_MIPS32_R2 1507a6e18781SLeonid Yegoshin help 1508a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1509a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1510a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1511a6e18781SLeonid Yegoshin 1512a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1513a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1514a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1515a6e18781SLeonid Yegoshin select EVA 1516a6e18781SLeonid Yegoshin default y 1517a6e18781SLeonid Yegoshin help 1518a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1519a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1520a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1521a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1522a6e18781SLeonid Yegoshin 1523622844bfSWu Zhangjinif CPU_LOONGSON2F 1524622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1525622844bfSWu Zhangjin bool 1526622844bfSWu Zhangjin 1527622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1528622844bfSWu Zhangjin bool 1529622844bfSWu Zhangjin 1530622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1531622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1532622844bfSWu Zhangjin default y 1533622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1534622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1535622844bfSWu Zhangjin help 1536622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1537622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1538622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1539622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1540622844bfSWu Zhangjin 1541622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1542622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1543622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1544622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1545622844bfSWu Zhangjin systems. 1546622844bfSWu Zhangjin 1547622844bfSWu Zhangjin If unsure, please say Y. 1548622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1549622844bfSWu Zhangjin 15501b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 15511b93b3c3SWu Zhangjin bool 15521b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 15531b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 155431c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 15551b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1556fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 15574e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 15581b93b3c3SWu Zhangjin 15591b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 15601b93b3c3SWu Zhangjin bool 15611b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 15621b93b3c3SWu Zhangjin 15633702bba5SWu Zhangjinconfig CPU_LOONGSON2 15643702bba5SWu Zhangjin bool 15653702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 15663702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 15673702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1568970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15693702bba5SWu Zhangjin 1570ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1571ca585cf9SKelvin Cheung bool 1572ca585cf9SKelvin Cheung select CPU_MIPS32 1573ca585cf9SKelvin Cheung select CPU_MIPSR2 1574ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1575ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1576ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1577f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1578ca585cf9SKelvin Cheung 1579fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 158004fa8bf7SJonas Gorski select SMP_UP if SMP 15811bbb6c1bSKevin Cernekee bool 1582cd746249SJonas Gorski 1583cd746249SJonas Gorskiconfig CPU_BMIPS4350 1584cd746249SJonas Gorski bool 1585cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1586cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1587cd746249SJonas Gorski 1588cd746249SJonas Gorskiconfig CPU_BMIPS4380 1589cd746249SJonas Gorski bool 1590cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1591cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1592cd746249SJonas Gorski 1593cd746249SJonas Gorskiconfig CPU_BMIPS5000 1594cd746249SJonas Gorski bool 1595cd746249SJonas Gorski select MIPS_CPU_SCACHE 1596cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1597cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 15981bbb6c1bSKevin Cernekee 15990e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 16000e476d91SHuacai Chen bool 16010e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 16020e476d91SHuacai Chen 16033702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 16042a21c730SFuxin Zhang bool 16052a21c730SFuxin Zhang 16066f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 16076f7a251aSWu Zhangjin bool 160855045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 160955045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 161022f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 16116f7a251aSWu Zhangjin 1612ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1613ca585cf9SKelvin Cheung bool 1614ca585cf9SKelvin Cheung 16157cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 16167cf8053bSRalf Baechle bool 16177cf8053bSRalf Baechle 16187cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 16197cf8053bSRalf Baechle bool 16207cf8053bSRalf Baechle 1621a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1622a6e18781SLeonid Yegoshin bool 1623a6e18781SLeonid Yegoshin 16247cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 16257cf8053bSRalf Baechle bool 16267cf8053bSRalf Baechle 16277cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 16287cf8053bSRalf Baechle bool 16297cf8053bSRalf Baechle 16307cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 16317cf8053bSRalf Baechle bool 16327cf8053bSRalf Baechle 16337cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 16347cf8053bSRalf Baechle bool 16357cf8053bSRalf Baechle 16367cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 16377cf8053bSRalf Baechle bool 16387cf8053bSRalf Baechle 16397cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 16407cf8053bSRalf Baechle bool 16417cf8053bSRalf Baechle 16427cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 16437cf8053bSRalf Baechle bool 16447cf8053bSRalf Baechle 16457cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 16467cf8053bSRalf Baechle bool 16477cf8053bSRalf Baechle 16487cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 16497cf8053bSRalf Baechle bool 16507cf8053bSRalf Baechle 16517cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 16527cf8053bSRalf Baechle bool 16537cf8053bSRalf Baechle 1654542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1655542c1020SShinya Kuribayashi bool 1656542c1020SShinya Kuribayashi 16577cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 16587cf8053bSRalf Baechle bool 16597cf8053bSRalf Baechle 16607cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 16617cf8053bSRalf Baechle bool 16627cf8053bSRalf Baechle 16637cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 16647cf8053bSRalf Baechle bool 16657cf8053bSRalf Baechle 16667cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 16677cf8053bSRalf Baechle bool 16687cf8053bSRalf Baechle 16697cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 16707cf8053bSRalf Baechle bool 16717cf8053bSRalf Baechle 16727cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 16737cf8053bSRalf Baechle bool 16747cf8053bSRalf Baechle 16755e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 16765e683389SDavid Daney bool 16775e683389SDavid Daney 1678cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1679c1c0c461SKevin Cernekee bool 1680c1c0c461SKevin Cernekee 1681fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1682c1c0c461SKevin Cernekee bool 1683cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1684c1c0c461SKevin Cernekee 1685c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1686c1c0c461SKevin Cernekee bool 1687cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1688c1c0c461SKevin Cernekee 1689c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1690c1c0c461SKevin Cernekee bool 1691cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1692c1c0c461SKevin Cernekee 1693c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1694c1c0c461SKevin Cernekee bool 1695cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1696c1c0c461SKevin Cernekee 16977f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 16987f058e85SJayachandran C bool 16997f058e85SJayachandran C 17001c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 17011c773ea4SJayachandran C bool 17021c773ea4SJayachandran C 1703b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1704b6911bbaSPaul Burton depends on MIPS_MALTA 1705b6911bbaSPaul Burton depends on PCI 1706b6911bbaSPaul Burton bool 1707b6911bbaSPaul Burton default y 1708b6911bbaSPaul Burton 170917099b11SRalf Baechle# 171017099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 171117099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 171217099b11SRalf Baechle# 17130004a9dfSRalf Baechleconfig WEAK_ORDERING 17140004a9dfSRalf Baechle bool 171517099b11SRalf Baechle 171617099b11SRalf Baechle# 171717099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 171817099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 171917099b11SRalf Baechle# 172017099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 172117099b11SRalf Baechle bool 17225e83d430SRalf Baechleendmenu 17235e83d430SRalf Baechle 17245e83d430SRalf Baechle# 17255e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 17265e83d430SRalf Baechle# 17275e83d430SRalf Baechleconfig CPU_MIPS32 17285e83d430SRalf Baechle bool 17295e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 17305e83d430SRalf Baechle 17315e83d430SRalf Baechleconfig CPU_MIPS64 17325e83d430SRalf Baechle bool 17335e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 17345e83d430SRalf Baechle 17355e83d430SRalf Baechle# 1736c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 17375e83d430SRalf Baechle# 17385e83d430SRalf Baechleconfig CPU_MIPSR1 17395e83d430SRalf Baechle bool 17405e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 17415e83d430SRalf Baechle 17425e83d430SRalf Baechleconfig CPU_MIPSR2 17435e83d430SRalf Baechle bool 1744a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 17455e83d430SRalf Baechle 1746a6e18781SLeonid Yegoshinconfig EVA 1747a6e18781SLeonid Yegoshin bool 1748a6e18781SLeonid Yegoshin 17495e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 17505e83d430SRalf Baechle bool 17515e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 17525e83d430SRalf Baechle bool 17535e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 17545e83d430SRalf Baechle bool 17555e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 17565e83d430SRalf Baechle bool 175755045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 175855045ff5SWu Zhangjin bool 175955045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 176055045ff5SWu Zhangjin bool 17619cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 17629cffd154SDavid Daney bool 176322f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 176422f1fdfdSWu Zhangjin bool 176582622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 176682622284SDavid Daney bool 1767d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 17685e83d430SRalf Baechle 17698192c9eaSDavid Daney# 17708192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 17718192c9eaSDavid Daney# 17728192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 17738192c9eaSDavid Daney bool 1774f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 17758192c9eaSDavid Daney 17765e83d430SRalf Baechlemenu "Kernel type" 17775e83d430SRalf Baechle 17785e83d430SRalf Baechlechoice 17795e83d430SRalf Baechle prompt "Kernel code model" 17805e83d430SRalf Baechle help 17815e83d430SRalf Baechle You should only select this option if you have a workload that 17825e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 17835e83d430SRalf Baechle large memory. You will only be presented a single option in this 17845e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 17855e83d430SRalf Baechle 17865e83d430SRalf Baechleconfig 32BIT 17875e83d430SRalf Baechle bool "32-bit kernel" 17885e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 17895e83d430SRalf Baechle select TRAD_SIGNALS 17905e83d430SRalf Baechle help 17915e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 17925e83d430SRalf Baechleconfig 64BIT 17935e83d430SRalf Baechle bool "64-bit kernel" 17945e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 17955e83d430SRalf Baechle help 17965e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 17975e83d430SRalf Baechle 17985e83d430SRalf Baechleendchoice 17995e83d430SRalf Baechle 18002235a54dSSanjay Lalconfig KVM_GUEST 18012235a54dSSanjay Lal bool "KVM Guest Kernel" 1802f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 18032235a54dSSanjay Lal help 18042235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 18052235a54dSSanjay Lal 1806eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1807eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 18082235a54dSSanjay Lal depends on KVM_GUEST 1809eda3d33cSJames Hogan default 100 18102235a54dSSanjay Lal help 1811eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 1812eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 1813eda3d33cSJames Hogan timer frequency is specified directly. 18142235a54dSSanjay Lal 18151da177e4SLinus Torvaldschoice 18161da177e4SLinus Torvalds prompt "Kernel page size" 18171da177e4SLinus Torvalds default PAGE_SIZE_4KB 18181da177e4SLinus Torvalds 18191da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 18201da177e4SLinus Torvalds bool "4kB" 18210e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 18221da177e4SLinus Torvalds help 18231da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 18241da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 18251da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 18261da177e4SLinus Torvalds recommended for low memory systems. 18271da177e4SLinus Torvalds 18281da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 18291da177e4SLinus Torvalds bool "8kB" 18307d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 18311da177e4SLinus Torvalds help 18321da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 18331da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1834c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1835c52399beSRalf Baechle suitable Linux distribution to support this. 18361da177e4SLinus Torvalds 18371da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 18381da177e4SLinus Torvalds bool "16kB" 1839714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 18401da177e4SLinus Torvalds help 18411da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 18421da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1843714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1844714bfad6SRalf Baechle Linux distribution to support this. 18451da177e4SLinus Torvalds 1846c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1847c52399beSRalf Baechle bool "32kB" 1848c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1849c52399beSRalf Baechle help 1850c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1851c52399beSRalf Baechle the price of higher memory consumption. This option is available 1852c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1853c52399beSRalf Baechle distribution to support this. 1854c52399beSRalf Baechle 18551da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 18561da177e4SLinus Torvalds bool "64kB" 18577d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 18581da177e4SLinus Torvalds help 18591da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 18601da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 18611da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1862714bfad6SRalf Baechle writing this option is still high experimental. 18631da177e4SLinus Torvalds 18641da177e4SLinus Torvaldsendchoice 18651da177e4SLinus Torvalds 1866c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 1867c9bace7cSDavid Daney int "Maximum zone order" 1868e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1869e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1870e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1871e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1872e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1873e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1874c9bace7cSDavid Daney range 11 64 1875c9bace7cSDavid Daney default "11" 1876c9bace7cSDavid Daney help 1877c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 1878c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 1879c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 1880c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 1881c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 1882c9bace7cSDavid Daney increase this value. 1883c9bace7cSDavid Daney 1884c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 1885c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 1886c9bace7cSDavid Daney 1887c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 1888c9bace7cSDavid Daney when choosing a value for this option. 1889c9bace7cSDavid Daney 18900ab2b7d0SRaghu Gandhamconfig CEVT_GIC 18910ab2b7d0SRaghu Gandham bool "Use GIC global counter for clock events" 18928a19b8f1SAndrew Bresticker depends on MIPS_GIC && !MIPS_SEAD3 18930ab2b7d0SRaghu Gandham help 18940ab2b7d0SRaghu Gandham Use the GIC global counter for the clock events. The R4K clock 18950ab2b7d0SRaghu Gandham event driver is always present, so if the platform ends up not 18960ab2b7d0SRaghu Gandham detecting a GIC, it will fall back to the R4K timer for the 18970ab2b7d0SRaghu Gandham generation of clock events. 18980ab2b7d0SRaghu Gandham 18991da177e4SLinus Torvaldsconfig BOARD_SCACHE 19001da177e4SLinus Torvalds bool 19011da177e4SLinus Torvalds 19021da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 19031da177e4SLinus Torvalds bool 19041da177e4SLinus Torvalds select BOARD_SCACHE 19051da177e4SLinus Torvalds 19069318c51aSChris Dearman# 19079318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 19089318c51aSChris Dearman# 19099318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 19109318c51aSChris Dearman bool 19119318c51aSChris Dearman select BOARD_SCACHE 19129318c51aSChris Dearman 19131da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 19141da177e4SLinus Torvalds bool 19151da177e4SLinus Torvalds select BOARD_SCACHE 19161da177e4SLinus Torvalds 19171da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 19181da177e4SLinus Torvalds bool 19191da177e4SLinus Torvalds select BOARD_SCACHE 19201da177e4SLinus Torvalds 19211da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 19221da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 19231da177e4SLinus Torvalds depends on CPU_SB1 19241da177e4SLinus Torvalds help 19251da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 19261da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 19271da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 19281da177e4SLinus Torvalds 19291da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1930c8094b53SRalf Baechle bool 19311da177e4SLinus Torvalds 19323165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 19333165c846SFlorian Fainelli bool 19343165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 19353165c846SFlorian Fainelli 193691405eb6SFlorian Fainelliconfig CPU_R4K_FPU 193791405eb6SFlorian Fainelli bool 193891405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 193991405eb6SFlorian Fainelli 194062cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 194162cedc4fSFlorian Fainelli bool 194262cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 194362cedc4fSFlorian Fainelli 194459d6ab86SRalf Baechleconfig MIPS_MT_SMP 1945a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 194659d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 194759d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1948d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1949c080faa5SSteven J. Hill select SYNC_R4K 19500c2cb004SPaul Burton select MIPS_GIC_IPI 195159d6ab86SRalf Baechle select MIPS_MT 195259d6ab86SRalf Baechle select SMP 195387353d8aSRalf Baechle select SMP_UP 1954c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 1955c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 1956399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 195759d6ab86SRalf Baechle help 1958c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 1959c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 1960c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 1961c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 1962c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 196359d6ab86SRalf Baechle 1964f41ae0b2SRalf Baechleconfig MIPS_MT 1965f41ae0b2SRalf Baechle bool 1966f41ae0b2SRalf Baechle 19670ab7aefcSRalf Baechleconfig SCHED_SMT 19680ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 19690ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 19700ab7aefcSRalf Baechle default n 19710ab7aefcSRalf Baechle help 19720ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 19730ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 19740ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 19750ab7aefcSRalf Baechle 19760ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 19770ab7aefcSRalf Baechle bool 19780ab7aefcSRalf Baechle 1979f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1980f41ae0b2SRalf Baechle bool 1981f41ae0b2SRalf Baechle 1982f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1983f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1984f088fc84SRalf Baechle default y 1985b633648cSRalf Baechle depends on MIPS_MT_SMP 198607cc0c9eSRalf Baechle 198707cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 198807cc0c9eSRalf Baechle bool "VPE loader support." 1989704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 199007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 199107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 199207cc0c9eSRalf Baechle select MIPS_MT 199307cc0c9eSRalf Baechle help 199407cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 199507cc0c9eSRalf Baechle onto another VPE and running it. 1996f088fc84SRalf Baechle 199717a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 199817a1d523SDeng-Cheng Zhu bool 199917a1d523SDeng-Cheng Zhu default "y" 200017a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 200117a1d523SDeng-Cheng Zhu 20021a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 20031a2a6d7eSDeng-Cheng Zhu bool 20041a2a6d7eSDeng-Cheng Zhu default "y" 20051a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 20061a2a6d7eSDeng-Cheng Zhu 2007e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2008e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2009e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2010e01402b1SRalf Baechle default y 2011e01402b1SRalf Baechle help 2012e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2013e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2014e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2015e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2016e01402b1SRalf Baechle 2017e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2018e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2019e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 20205e83d430SRalf Baechle help 2021e01402b1SRalf Baechle 2022da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2023da615cf6SDeng-Cheng Zhu bool 2024da615cf6SDeng-Cheng Zhu default "y" 2025da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2026da615cf6SDeng-Cheng Zhu 20272c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 20282c973ef0SDeng-Cheng Zhu bool 20292c973ef0SDeng-Cheng Zhu default "y" 20302c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 20312c973ef0SDeng-Cheng Zhu 20324a16ff4cSRalf Baechleconfig MIPS_CMP 20335cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 2034b633648cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 203572e20142SPaul Burton select MIPS_GIC_IPI 2036b10b43baSMarkos Chandras select SMP 2037eb9b5141STim Anderson select SYNC_R4K 2038b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 20394a16ff4cSRalf Baechle select WEAK_ORDERING 20404a16ff4cSRalf Baechle default n 20414a16ff4cSRalf Baechle help 2042044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2043044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2044044505c7SPaul Burton its ability to start secondary CPUs. 20454a16ff4cSRalf Baechle 20465cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 20475cac93b3SPaul Burton instead of this. 20485cac93b3SPaul Burton 20490ee958e1SPaul Burtonconfig MIPS_CPS 20500ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 20510ee958e1SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 20520ee958e1SPaul Burton select MIPS_CM 20530ee958e1SPaul Burton select MIPS_CPC 20541d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 20550ee958e1SPaul Burton select MIPS_GIC_IPI 20560ee958e1SPaul Burton select SMP 20570ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 20581d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 20590ee958e1SPaul Burton select SYS_SUPPORTS_SMP 20600ee958e1SPaul Burton select WEAK_ORDERING 20610ee958e1SPaul Burton help 20620ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 20630ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 20640ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 20650ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 20660ee958e1SPaul Burton support is unavailable. 20670ee958e1SPaul Burton 20683179d37eSPaul Burtonconfig MIPS_CPS_PM 206939a59593SMarkos Chandras depends on MIPS_CPS 2070a8b84677SPaul Burton select MIPS_CPC 20713179d37eSPaul Burton bool 20723179d37eSPaul Burton 207372e20142SPaul Burtonconfig MIPS_GIC_IPI 207472e20142SPaul Burton bool 207572e20142SPaul Burton 20769f98f3ddSPaul Burtonconfig MIPS_CM 20779f98f3ddSPaul Burton bool 20789f98f3ddSPaul Burton 20799c38cf44SPaul Burtonconfig MIPS_CPC 20809c38cf44SPaul Burton bool 20812600990eSRalf Baechle 20821da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 20831da177e4SLinus Torvalds bool 20841da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 20851da177e4SLinus Torvalds default y 20861da177e4SLinus Torvalds 20871da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 20881da177e4SLinus Torvalds bool 20891da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 20901da177e4SLinus Torvalds default y 20911da177e4SLinus Torvalds 20921da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 20931da177e4SLinus Torvalds bool 20941da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 20951da177e4SLinus Torvalds default y 20961da177e4SLinus Torvalds 20972235a54dSSanjay Lal 20981da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 2099d806cb2bSRalf Baechle bool 21001da177e4SLinus Torvalds 210160ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 210260ec6571Spascal@pabr.org def_bool 64BIT_PHYS_ADDR 210360ec6571Spascal@pabr.org 21049693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 21059693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 21069693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 21079693a853SFranck Bui-Huu help 21089693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 21099693a853SFranck Bui-Huu increased security at both hardware and software level for 21109693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 21119693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 21129693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 21139693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 21149693a853SFranck Bui-Huu here. 21159693a853SFranck Bui-Huu 2116bce86083SSteven J. Hillconfig CPU_MICROMIPS 2117bce86083SSteven J. Hill depends on SYS_SUPPORTS_MICROMIPS 2118bce86083SSteven J. Hill bool "Build kernel using microMIPS ISA" 2119bce86083SSteven J. Hill help 2120bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2121bce86083SSteven J. Hill microMIPS ISA 2122bce86083SSteven J. Hill 2123a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 21244af94d5dSPaul Burton bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" 2125a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 21262a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2127a5e9a69eSPaul Burton help 2128a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2129a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 21301db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 21311db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 21321db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 21331db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 21341db1af84SPaul Burton the size & complexity of your kernel. 2135a5e9a69eSPaul Burton 2136a5e9a69eSPaul Burton If unsure, say Y. 2137a5e9a69eSPaul Burton 21381da177e4SLinus Torvaldsconfig CPU_HAS_WB 2139f7062ddbSRalf Baechle bool 2140e01402b1SRalf Baechle 2141df0ac8a4SKevin Cernekeeconfig XKS01 2142df0ac8a4SKevin Cernekee bool 2143df0ac8a4SKevin Cernekee 2144f41ae0b2SRalf Baechle# 2145f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2146f41ae0b2SRalf Baechle# 2147e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2148f41ae0b2SRalf Baechle bool 2149e01402b1SRalf Baechle 2150f41ae0b2SRalf Baechle# 2151f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2152f41ae0b2SRalf Baechle# 2153e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2154f41ae0b2SRalf Baechle bool 2155e01402b1SRalf Baechle 21561da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 21571da177e4SLinus Torvalds bool 21581da177e4SLinus Torvalds depends on !CPU_R3000 21591da177e4SLinus Torvalds default y 21601da177e4SLinus Torvalds 21611da177e4SLinus Torvalds# 216220d60d99SMaciej W. Rozycki# CPU non-features 216320d60d99SMaciej W. Rozycki# 216420d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 216520d60d99SMaciej W. Rozycki bool 216620d60d99SMaciej W. Rozycki 216720d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 216820d60d99SMaciej W. Rozycki bool 216920d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 217020d60d99SMaciej W. Rozycki 217120d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 217220d60d99SMaciej W. Rozycki bool 217320d60d99SMaciej W. Rozycki 217420d60d99SMaciej W. Rozycki# 21751da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 21761da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 21771da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 21781da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 21791da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 21801da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 21811da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 21821da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2183797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2184797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2185797798c1SRalf Baechle# support. 21861da177e4SLinus Torvalds# 21871da177e4SLinus Torvaldsconfig HIGHMEM 21881da177e4SLinus Torvalds bool "High Memory Support" 2189a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2190797798c1SRalf Baechle 2191797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2192797798c1SRalf Baechle bool 2193797798c1SRalf Baechle 2194797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2195797798c1SRalf Baechle bool 21961da177e4SLinus Torvalds 21979693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 21989693a853SFranck Bui-Huu bool 21999693a853SFranck Bui-Huu 2200a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2201a6a4834cSSteven J. Hill bool 2202a6a4834cSSteven J. Hill 2203377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2204377cb1b6SRalf Baechle bool 2205377cb1b6SRalf Baechle help 2206377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2207377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2208377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2209377cb1b6SRalf Baechle 2210a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2211a5e9a69eSPaul Burton bool 2212a5e9a69eSPaul Burton 2213b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2214b4819b59SYoichi Yuasa def_bool y 2215f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2216b4819b59SYoichi Yuasa 2217d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2218d8cb4e11SRalf Baechle bool 2219d8cb4e11SRalf Baechle default y if SGI_IP27 2220d8cb4e11SRalf Baechle help 22213dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2222d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2223d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2224d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2225d8cb4e11SRalf Baechle 2226b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2227b1c6cd42SAtsushi Nemoto bool 22287de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 222931473747SAtsushi Nemoto 2230d8cb4e11SRalf Baechleconfig NUMA 2231d8cb4e11SRalf Baechle bool "NUMA Support" 2232d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2233d8cb4e11SRalf Baechle help 2234d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2235d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2236d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2237d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2238d8cb4e11SRalf Baechle disabled. 2239d8cb4e11SRalf Baechle 2240d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2241d8cb4e11SRalf Baechle bool 2242d8cb4e11SRalf Baechle 2243c80d79d7SYasunori Gotoconfig NODES_SHIFT 2244c80d79d7SYasunori Goto int 2245c80d79d7SYasunori Goto default "6" 2246c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2247c80d79d7SYasunori Goto 224814f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 224914f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2250b633648cSRalf Baechle depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) 225114f70012SDeng-Cheng Zhu default y 225214f70012SDeng-Cheng Zhu help 225314f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 225414f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 225514f70012SDeng-Cheng Zhu 2256b4819b59SYoichi Yuasasource "mm/Kconfig" 2257b4819b59SYoichi Yuasa 22581da177e4SLinus Torvaldsconfig SMP 22591da177e4SLinus Torvalds bool "Multi-Processing support" 2260e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2261e73ea273SRalf Baechle help 22621da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 22634a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 22644a474157SRobert Graffham than one CPU, say Y. 22651da177e4SLinus Torvalds 22664a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 22671da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 22681da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 22694a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 22701da177e4SLinus Torvalds will run faster if you say N here. 22711da177e4SLinus Torvalds 22721da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 22731da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 22741da177e4SLinus Torvalds 227503502faaSAdrian Bunk See also the SMP-HOWTO available at 227603502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 22771da177e4SLinus Torvalds 22781da177e4SLinus Torvalds If you don't know what to do here, say N. 22791da177e4SLinus Torvalds 228087353d8aSRalf Baechleconfig SMP_UP 228187353d8aSRalf Baechle bool 228287353d8aSRalf Baechle 22834a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 22844a16ff4cSRalf Baechle bool 22854a16ff4cSRalf Baechle 22860ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 22870ee958e1SPaul Burton bool 22880ee958e1SPaul Burton 2289e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2290e73ea273SRalf Baechle bool 2291e73ea273SRalf Baechle 2292130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2293130e2fb7SRalf Baechle bool 2294130e2fb7SRalf Baechle 2295130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2296130e2fb7SRalf Baechle bool 2297130e2fb7SRalf Baechle 2298130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2299130e2fb7SRalf Baechle bool 2300130e2fb7SRalf Baechle 2301130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2302130e2fb7SRalf Baechle bool 2303130e2fb7SRalf Baechle 2304130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2305130e2fb7SRalf Baechle bool 2306130e2fb7SRalf Baechle 23071da177e4SLinus Torvaldsconfig NR_CPUS 2308a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2309a91796a9SJayachandran C range 2 256 23101da177e4SLinus Torvalds depends on SMP 2311130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2312130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2313130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2314130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2315130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 23161da177e4SLinus Torvalds help 23171da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 23181da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 23191da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 232072ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 232172ede9b1SAtsushi Nemoto and 2 for all others. 23221da177e4SLinus Torvalds 23231da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 232472ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 232572ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 232672ede9b1SAtsushi Nemoto power of two. 23271da177e4SLinus Torvalds 2328399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2329399aaa25SAl Cooper bool 2330399aaa25SAl Cooper 23311723b4a3SAtsushi Nemoto# 23321723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 23331723b4a3SAtsushi Nemoto# 23341723b4a3SAtsushi Nemoto 23351723b4a3SAtsushi Nemotochoice 23361723b4a3SAtsushi Nemoto prompt "Timer frequency" 23371723b4a3SAtsushi Nemoto default HZ_250 23381723b4a3SAtsushi Nemoto help 23391723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 23401723b4a3SAtsushi Nemoto 23411723b4a3SAtsushi Nemoto config HZ_48 23420f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 23431723b4a3SAtsushi Nemoto 23441723b4a3SAtsushi Nemoto config HZ_100 23451723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 23461723b4a3SAtsushi Nemoto 23471723b4a3SAtsushi Nemoto config HZ_128 23481723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 23491723b4a3SAtsushi Nemoto 23501723b4a3SAtsushi Nemoto config HZ_250 23511723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 23521723b4a3SAtsushi Nemoto 23531723b4a3SAtsushi Nemoto config HZ_256 23541723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 23551723b4a3SAtsushi Nemoto 23561723b4a3SAtsushi Nemoto config HZ_1000 23571723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 23581723b4a3SAtsushi Nemoto 23591723b4a3SAtsushi Nemoto config HZ_1024 23601723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 23611723b4a3SAtsushi Nemoto 23621723b4a3SAtsushi Nemotoendchoice 23631723b4a3SAtsushi Nemoto 23641723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 23651723b4a3SAtsushi Nemoto bool 23661723b4a3SAtsushi Nemoto 23671723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 23681723b4a3SAtsushi Nemoto bool 23691723b4a3SAtsushi Nemoto 23701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 23711723b4a3SAtsushi Nemoto bool 23721723b4a3SAtsushi Nemoto 23731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 23741723b4a3SAtsushi Nemoto bool 23751723b4a3SAtsushi Nemoto 23761723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 23771723b4a3SAtsushi Nemoto bool 23781723b4a3SAtsushi Nemoto 23791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 23801723b4a3SAtsushi Nemoto bool 23811723b4a3SAtsushi Nemoto 23821723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 23831723b4a3SAtsushi Nemoto bool 23841723b4a3SAtsushi Nemoto 23851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 23861723b4a3SAtsushi Nemoto bool 23871723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 23881723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 23891723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 23901723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 23911723b4a3SAtsushi Nemoto 23921723b4a3SAtsushi Nemotoconfig HZ 23931723b4a3SAtsushi Nemoto int 23941723b4a3SAtsushi Nemoto default 48 if HZ_48 23951723b4a3SAtsushi Nemoto default 100 if HZ_100 23961723b4a3SAtsushi Nemoto default 128 if HZ_128 23971723b4a3SAtsushi Nemoto default 250 if HZ_250 23981723b4a3SAtsushi Nemoto default 256 if HZ_256 23991723b4a3SAtsushi Nemoto default 1000 if HZ_1000 24001723b4a3SAtsushi Nemoto default 1024 if HZ_1024 24011723b4a3SAtsushi Nemoto 2402e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 24031da177e4SLinus Torvalds 2404ea6e942bSAtsushi Nemotoconfig KEXEC 24057d60717eSKees Cook bool "Kexec system call" 2406ea6e942bSAtsushi Nemoto help 2407ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2408ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 24093dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2410ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2411ea6e942bSAtsushi Nemoto 241201dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2413ea6e942bSAtsushi Nemoto 2414ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2415ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2416bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2417bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2418bf220695SGeert Uytterhoeven made. 2419ea6e942bSAtsushi Nemoto 24207aa1c8f4SRalf Baechleconfig CRASH_DUMP 24217aa1c8f4SRalf Baechle bool "Kernel crash dumps" 24227aa1c8f4SRalf Baechle help 24237aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 24247aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 24257aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 24267aa1c8f4SRalf Baechle a specially reserved region and then later executed after 24277aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 24287aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 24297aa1c8f4SRalf Baechle PHYSICAL_START. 24307aa1c8f4SRalf Baechle 24317aa1c8f4SRalf Baechleconfig PHYSICAL_START 24327aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 24337aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 24347aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 24357aa1c8f4SRalf Baechle depends on CRASH_DUMP 24367aa1c8f4SRalf Baechle help 24377aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 24387aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 24397aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 24407aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 24417aa1c8f4SRalf Baechle passed to the panic-ed kernel). 24427aa1c8f4SRalf Baechle 2443ea6e942bSAtsushi Nemotoconfig SECCOMP 2444ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2445293c5bd1SRalf Baechle depends on PROC_FS 2446ea6e942bSAtsushi Nemoto default y 2447ea6e942bSAtsushi Nemoto help 2448ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2449ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2450ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2451ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2452ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2453ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2454ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2455ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2456ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2457ea6e942bSAtsushi Nemoto 2458ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2459ea6e942bSAtsushi Nemoto 2460597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 246106e2e882SPaul Burton bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" 2462597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2463597ce172SPaul Burton help 2464597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2465597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2466597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2467597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2468597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2469597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2470597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2471597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2472597ce172SPaul Burton saying N here. 2473597ce172SPaul Burton 247406e2e882SPaul Burton Although binutils currently supports use of this flag the details 247506e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 247606e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 247706e2e882SPaul Burton behaviour before the details have been finalised, this option should 247806e2e882SPaul Burton be considered experimental and only enabled by those working upon 247906e2e882SPaul Burton said details. 248006e2e882SPaul Burton 248106e2e882SPaul Burton If unsure, say N. 2482597ce172SPaul Burton 2483f2ffa5abSDezhong Diaoconfig USE_OF 24840b3e06fdSJonas Gorski bool 2485f2ffa5abSDezhong Diao select OF 2486e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2487abd2363fSGrant Likely select IRQ_DOMAIN 2488f2ffa5abSDezhong Diao 24897fafb068SAndrew Brestickerconfig BUILTIN_DTB 24907fafb068SAndrew Bresticker bool 24917fafb068SAndrew Bresticker 24925e83d430SRalf Baechleendmenu 24935e83d430SRalf Baechle 24941df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 24951df0f0ffSAtsushi Nemoto bool 24961df0f0ffSAtsushi Nemoto default y 24971df0f0ffSAtsushi Nemoto 24981df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 24991df0f0ffSAtsushi Nemoto bool 25001df0f0ffSAtsushi Nemoto default y 25011df0f0ffSAtsushi Nemoto 2502b6c3539bSRalf Baechlesource "init/Kconfig" 2503b6c3539bSRalf Baechle 2504dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2505dc52ddc0SMatt Helsley 25061da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 25071da177e4SLinus Torvalds 25085e83d430SRalf Baechleconfig HW_HAS_EISA 25095e83d430SRalf Baechle bool 25101da177e4SLinus Torvaldsconfig HW_HAS_PCI 25111da177e4SLinus Torvalds bool 25121da177e4SLinus Torvalds 25131da177e4SLinus Torvaldsconfig PCI 25141da177e4SLinus Torvalds bool "Support for PCI controller" 25151da177e4SLinus Torvalds depends on HW_HAS_PCI 2516abb4ae46SRalf Baechle select PCI_DOMAINS 25170f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 25181da177e4SLinus Torvalds help 25191da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 25201da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 25211da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 25221da177e4SLinus Torvalds say Y, otherwise N. 25231da177e4SLinus Torvalds 25240e476d91SHuacai Chenconfig HT_PCI 25250e476d91SHuacai Chen bool "Support for HT-linked PCI" 25260e476d91SHuacai Chen default y 25270e476d91SHuacai Chen depends on CPU_LOONGSON3 25280e476d91SHuacai Chen select PCI 25290e476d91SHuacai Chen select PCI_DOMAINS 25300e476d91SHuacai Chen help 25310e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 25320e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 25330e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 25340e476d91SHuacai Chen 25351da177e4SLinus Torvaldsconfig PCI_DOMAINS 25361da177e4SLinus Torvalds bool 25371da177e4SLinus Torvalds 25381da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 25391da177e4SLinus Torvalds 25403f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 25413f787ca4SJonas Gorski 25421da177e4SLinus Torvalds# 25431da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 25441da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 25451da177e4SLinus Torvalds# users to choose the right thing ... 25461da177e4SLinus Torvalds# 25471da177e4SLinus Torvaldsconfig ISA 25481da177e4SLinus Torvalds bool 25491da177e4SLinus Torvalds 25501da177e4SLinus Torvaldsconfig EISA 25511da177e4SLinus Torvalds bool "EISA support" 25525e83d430SRalf Baechle depends on HW_HAS_EISA 25531da177e4SLinus Torvalds select ISA 2554aa414dffSRalf Baechle select GENERIC_ISA_DMA 25551da177e4SLinus Torvalds ---help--- 25561da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 25571da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 25581da177e4SLinus Torvalds 25591da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 25601da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 25611da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 25621da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 25631da177e4SLinus Torvalds 25641da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 25651da177e4SLinus Torvalds 25661da177e4SLinus Torvalds Otherwise, say N. 25671da177e4SLinus Torvalds 25681da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 25691da177e4SLinus Torvalds 25701da177e4SLinus Torvaldsconfig TC 25711da177e4SLinus Torvalds bool "TURBOchannel support" 25721da177e4SLinus Torvalds depends on MACH_DECSTATION 25731da177e4SLinus Torvalds help 257450a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 257550a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 257650a23e6eSJustin P. Mattock at: 257750a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 257850a23e6eSJustin P. Mattock and: 257950a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 258050a23e6eSJustin P. Mattock Linux driver support status is documented at: 258150a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 25821da177e4SLinus Torvalds 25831da177e4SLinus Torvaldsconfig MMU 25841da177e4SLinus Torvalds bool 25851da177e4SLinus Torvalds default y 25861da177e4SLinus Torvalds 2587d865bea4SRalf Baechleconfig I8253 2588d865bea4SRalf Baechle bool 2589798778b8SRussell King select CLKSRC_I8253 25902d02612fSThomas Gleixner select CLKEVT_I8253 25919726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2592d865bea4SRalf Baechle 2593e05eb3f8SRalf Baechleconfig ZONE_DMA 2594e05eb3f8SRalf Baechle bool 2595e05eb3f8SRalf Baechle 2596cce335aeSRalf Baechleconfig ZONE_DMA32 2597cce335aeSRalf Baechle bool 2598cce335aeSRalf Baechle 25991da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 26001da177e4SLinus Torvalds 26011da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 26021da177e4SLinus Torvalds 2603388b78adSAlexandre Bounineconfig RAPIDIO 260456abde72SAlexandre Bounine tristate "RapidIO support" 2605388b78adSAlexandre Bounine depends on PCI 2606388b78adSAlexandre Bounine default n 2607388b78adSAlexandre Bounine help 2608388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2609388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2610388b78adSAlexandre Bounine 2611388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2612388b78adSAlexandre Bounine 26131da177e4SLinus Torvaldsendmenu 26141da177e4SLinus Torvalds 26151da177e4SLinus Torvaldsmenu "Executable file formats" 26161da177e4SLinus Torvalds 26171da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 26181da177e4SLinus Torvalds 26191da177e4SLinus Torvaldsconfig TRAD_SIGNALS 26201da177e4SLinus Torvalds bool 26211da177e4SLinus Torvalds 26221da177e4SLinus Torvaldsconfig MIPS32_COMPAT 26231da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2624875d43e7SRalf Baechle depends on 64BIT 26251da177e4SLinus Torvalds help 26261da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 26271da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 26281da177e4SLinus Torvalds currently 32-bit you should say Y here. 26291da177e4SLinus Torvalds 26301da177e4SLinus Torvaldsconfig COMPAT 26311da177e4SLinus Torvalds bool 26321da177e4SLinus Torvalds depends on MIPS32_COMPAT 263348b25c43SChris Metcalf select ARCH_WANT_OLD_COMPAT_IPC 26341da177e4SLinus Torvalds default y 26351da177e4SLinus Torvalds 263605e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 263705e43966SAtsushi Nemoto bool 263805e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 263905e43966SAtsushi Nemoto default y 264005e43966SAtsushi Nemoto 26411da177e4SLinus Torvaldsconfig MIPS32_O32 26421da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 26431da177e4SLinus Torvalds depends on MIPS32_COMPAT 26441da177e4SLinus Torvalds help 26451da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 26461da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 26471da177e4SLinus Torvalds existing binaries are in this format. 26481da177e4SLinus Torvalds 26491da177e4SLinus Torvalds If unsure, say Y. 26501da177e4SLinus Torvalds 26511da177e4SLinus Torvaldsconfig MIPS32_N32 26521da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 26531da177e4SLinus Torvalds depends on MIPS32_COMPAT 26541da177e4SLinus Torvalds help 26551da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 26561da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 26571da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 26581da177e4SLinus Torvalds cases. 26591da177e4SLinus Torvalds 26601da177e4SLinus Torvalds If unsure, say N. 26611da177e4SLinus Torvalds 26621da177e4SLinus Torvaldsconfig BINFMT_ELF32 26631da177e4SLinus Torvalds bool 26641da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 26651da177e4SLinus Torvalds 26662116245eSRalf Baechleendmenu 26671da177e4SLinus Torvalds 26682116245eSRalf Baechlemenu "Power management options" 2669952fa954SRodolfo Giometti 2670363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2671363c55caSWu Zhangjin def_bool y 26723f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2673363c55caSWu Zhangjin 2674f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2675f4cb5700SJohannes Berg def_bool y 26763f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2677f4cb5700SJohannes Berg 26782116245eSRalf Baechlesource "kernel/power/Kconfig" 2679952fa954SRodolfo Giometti 26801da177e4SLinus Torvaldsendmenu 26811da177e4SLinus Torvalds 26827a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 26837a998935SViresh Kumar bool 26847a998935SViresh Kumar 26857a998935SViresh Kumarmenu "CPU Power Management" 2686c095ebafSPaul Burton 2687c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 26887a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 26897a998935SViresh Kumarendif 26909726b43aSWu Zhangjin 2691c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2692c095ebafSPaul Burton 2693c095ebafSPaul Burtonendmenu 2694c095ebafSPaul Burton 2695d5950b43SSam Ravnborgsource "net/Kconfig" 2696d5950b43SSam Ravnborg 26971da177e4SLinus Torvaldssource "drivers/Kconfig" 26981da177e4SLinus Torvalds 269998cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 270098cdee0eSRalf Baechle 27011da177e4SLinus Torvaldssource "fs/Kconfig" 27021da177e4SLinus Torvalds 27031da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 27041da177e4SLinus Torvalds 27051da177e4SLinus Torvaldssource "security/Kconfig" 27061da177e4SLinus Torvalds 27071da177e4SLinus Torvaldssource "crypto/Kconfig" 27081da177e4SLinus Torvalds 27091da177e4SLinus Torvaldssource "lib/Kconfig" 27102235a54dSSanjay Lal 27112235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2712