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 32*f4649382SZubair 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 561da177e4SLinus Torvalds 571da177e4SLinus Torvaldsmenu "Machine selection" 581da177e4SLinus Torvalds 595e83d430SRalf Baechlechoice 605e83d430SRalf Baechle prompt "System type" 615e83d430SRalf Baechle default SGI_IP22 621da177e4SLinus Torvalds 6342a4f17dSManuel Laussconfig MIPS_ALCHEMY 64c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 6542a4f17dSManuel Lauss select 64BIT_PHYS_ADDR 66f772cdb2SRalf Baechle select CEVT_R4K 67d7ea335cSSteven J. Hill select CSRC_R4K 6842a4f17dSManuel Lauss select IRQ_CPU 6988e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 7042a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 7142a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 7242a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 73efb12436SAlexandre Courbot select ARCH_REQUIRE_GPIOLIB 741b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 7547440229SManuel Lauss select COMMON_CLK 761da177e4SLinus Torvalds 777ca5dc14SFlorian Fainelliconfig AR7 787ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 797ca5dc14SFlorian Fainelli select BOOT_ELF32 807ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 817ca5dc14SFlorian Fainelli select CEVT_R4K 827ca5dc14SFlorian Fainelli select CSRC_R4K 837ca5dc14SFlorian Fainelli select IRQ_CPU 847ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 857ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 867ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 877ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 887ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 897ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 90377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 911b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 925f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 937ca5dc14SFlorian Fainelli select VLYNQ 948551fb64SYoichi Yuasa select HAVE_CLK 957ca5dc14SFlorian Fainelli help 967ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 977ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 987ca5dc14SFlorian Fainelli 99d4a67d9dSGabor Juhosconfig ATH79 100d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 1016eae43c5SGabor Juhos select ARCH_REQUIRE_GPIOLIB 102d4a67d9dSGabor Juhos select BOOT_RAW 103d4a67d9dSGabor Juhos select CEVT_R4K 104d4a67d9dSGabor Juhos select CSRC_R4K 105d4a67d9dSGabor Juhos select DMA_NONCOHERENT 10694638067SGabor Juhos select HAVE_CLK 1072c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 108d4a67d9dSGabor Juhos select IRQ_CPU 1090aabf1a4SGabor Juhos select MIPS_MACHINE 110d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 111d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 112d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 113d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 114377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 115d4a67d9dSGabor Juhos help 116d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 117d4a67d9dSGabor Juhos 1181c0c13ebSAurelien Jarnoconfig BCM47XX 119c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 1202da4c74dSHauke Mehrtens select ARCH_WANT_OPTIONAL_GPIOLIB 121fe08f8c2SHauke Mehrtens select BOOT_RAW 12242f77542SRalf Baechle select CEVT_R4K 123940f6b48SRalf Baechle select CSRC_R4K 1241c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1251c0c13ebSAurelien Jarno select HW_HAS_PCI 1261c0c13ebSAurelien Jarno select IRQ_CPU 127314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 128dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1291c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1301c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 131377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 13225e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 133e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 134c949c0bcSRafał Miłecki select GPIOLIB 135c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 1361c0c13ebSAurelien Jarno help 1371c0c13ebSAurelien Jarno Support for BCM47XX based boards 1381c0c13ebSAurelien Jarno 139e7300d04SMaxime Bizonconfig BCM63XX 140e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 141ae8de61cSFlorian Fainelli select BOOT_RAW 142e7300d04SMaxime Bizon select CEVT_R4K 143e7300d04SMaxime Bizon select CSRC_R4K 144fc264022SJonas Gorski select SYNC_R4K 145e7300d04SMaxime Bizon select DMA_NONCOHERENT 146e7300d04SMaxime Bizon select IRQ_CPU 147e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 148e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 149e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 150e7300d04SMaxime Bizon select SWAP_IO_SPACE 151e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 1523e82eeebSYoichi Yuasa select HAVE_CLK 153af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 154e7300d04SMaxime Bizon help 155e7300d04SMaxime Bizon Support for BCM63XX based boards 156e7300d04SMaxime Bizon 1571da177e4SLinus Torvaldsconfig MIPS_COBALT 1583fa986faSMartin Michlmayr bool "Cobalt Server" 15942f77542SRalf Baechle select CEVT_R4K 160940f6b48SRalf Baechle select CSRC_R4K 1611097c6acSYoichi Yuasa select CEVT_GT641XX 1621da177e4SLinus Torvalds select DMA_NONCOHERENT 1631da177e4SLinus Torvalds select HW_HAS_PCI 164d865bea4SRalf Baechle select I8253 1651da177e4SLinus Torvalds select I8259 1661da177e4SLinus Torvalds select IRQ_CPU 167d5ab1a69SYoichi Yuasa select IRQ_GT641XX 168252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 169e25bfc92SYoichi Yuasa select PCI 1707cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1710a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 172ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 1730e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 1745e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 175e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 1761da177e4SLinus Torvalds 1771da177e4SLinus Torvaldsconfig MACH_DECSTATION 1783fa986faSMartin Michlmayr bool "DECstations" 1791da177e4SLinus Torvalds select BOOT_ELF32 1806457d9fcSYoichi Yuasa select CEVT_DS1287 18181d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 1824247417dSYoichi Yuasa select CSRC_IOASIC 18381d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 18420d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 18520d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 18620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 1871da177e4SLinus Torvalds select DMA_NONCOHERENT 188ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 1891da177e4SLinus Torvalds select IRQ_CPU 1907cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 1917cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 192ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 1937d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 1945e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1951723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 1961723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 1971723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 198930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 1995e83d430SRalf Baechle help 2001da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2011da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2021da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2031da177e4SLinus Torvalds 2041da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2051da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2061da177e4SLinus Torvalds 2071da177e4SLinus Torvalds DECstation 5000/50 2081da177e4SLinus Torvalds DECstation 5000/150 2091da177e4SLinus Torvalds DECstation 5000/260 2101da177e4SLinus Torvalds DECsystem 5900/260 2111da177e4SLinus Torvalds 2121da177e4SLinus Torvalds otherwise choose R3000. 2131da177e4SLinus Torvalds 2145e83d430SRalf Baechleconfig MACH_JAZZ 2153fa986faSMartin Michlmayr bool "Jazz family of machines" 2160e2794b0SRalf Baechle select FW_ARC 2170e2794b0SRalf Baechle select FW_ARC32 2185e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 21942f77542SRalf Baechle select CEVT_R4K 220940f6b48SRalf Baechle select CSRC_R4K 221e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2225e83d430SRalf Baechle select GENERIC_ISA_DMA 2238a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 224ea202c63SThomas Bogendoerfer select IRQ_CPU 225d865bea4SRalf Baechle select I8253 2265e83d430SRalf Baechle select I8259 2275e83d430SRalf Baechle select ISA 2287cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2295e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2307d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2311723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2321da177e4SLinus Torvalds help 2335e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2345e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 235692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 2365e83d430SRalf Baechle Olivetti M700-10 workstations. 2375e83d430SRalf Baechle 2385ebabe59SLars-Peter Clausenconfig MACH_JZ4740 2395ebabe59SLars-Peter Clausen bool "Ingenic JZ4740 based machines" 2405ebabe59SLars-Peter Clausen select SYS_HAS_CPU_MIPS32_R1 2415ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 2425ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 243f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 2445ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 2455ebabe59SLars-Peter Clausen select IRQ_CPU 2465ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 2475ebabe59SLars-Peter Clausen select SYS_HAS_EARLY_PRINTK 248ab5330ebSMaurus Cuelenaere select HAVE_CLK 24983bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 2505ebabe59SLars-Peter Clausen 251171bb2f1SJohn Crispinconfig LANTIQ 252171bb2f1SJohn Crispin bool "Lantiq based platforms" 253171bb2f1SJohn Crispin select DMA_NONCOHERENT 254171bb2f1SJohn Crispin select IRQ_CPU 255171bb2f1SJohn Crispin select CEVT_R4K 256171bb2f1SJohn Crispin select CSRC_R4K 257171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 258171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 259171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 260171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 261377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 262171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 263171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 264171bb2f1SJohn Crispin select ARCH_REQUIRE_GPIOLIB 265171bb2f1SJohn Crispin select SWAP_IO_SPACE 266171bb2f1SJohn Crispin select BOOT_RAW 267287e3f3fSJohn Crispin select HAVE_MACH_CLKDEV 268287e3f3fSJohn Crispin select CLKDEV_LOOKUP 269a0392222SJohn Crispin select USE_OF 2703f8c50c9SJohn Crispin select PINCTRL 2713f8c50c9SJohn Crispin select PINCTRL_LANTIQ 272171bb2f1SJohn Crispin 2731f21d2bdSBrian Murphyconfig LASAT 2741f21d2bdSBrian Murphy bool "LASAT Networks platforms" 27542f77542SRalf Baechle select CEVT_R4K 27616f0bbbcSRalf Baechle select CRC32 277940f6b48SRalf Baechle select CSRC_R4K 2781f21d2bdSBrian Murphy select DMA_NONCOHERENT 2791f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 2801f21d2bdSBrian Murphy select HW_HAS_PCI 281a5ccfe5cSRalf Baechle select IRQ_CPU 2821f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 2831f21d2bdSBrian Murphy select MIPS_NILE4 2841f21d2bdSBrian Murphy select R5000_CPU_SCACHE 2851f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 2861f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 2871f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 2881f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 2891f21d2bdSBrian Murphy 29085749d24SWu Zhangjinconfig MACH_LOONGSON 29185749d24SWu Zhangjin bool "Loongson family of machines" 292c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 293ade299d8SYoichi Yuasa help 29485749d24SWu Zhangjin This enables the support of Loongson family of machines. 29585749d24SWu Zhangjin 29685749d24SWu Zhangjin Loongson is a family of general-purpose MIPS-compatible CPUs. 29785749d24SWu Zhangjin developed at Institute of Computing Technology (ICT), 29885749d24SWu Zhangjin Chinese Academy of Sciences (CAS) in the People's Republic 29985749d24SWu Zhangjin of China. The chief architect is Professor Weiwu Hu. 300ade299d8SYoichi Yuasa 301ca585cf9SKelvin Cheungconfig MACH_LOONGSON1 302ca585cf9SKelvin Cheung bool "Loongson 1 family of machines" 303ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 304ca585cf9SKelvin Cheung help 305ca585cf9SKelvin Cheung This enables support for the Loongson 1 based machines. 306ca585cf9SKelvin Cheung 307ca585cf9SKelvin Cheung Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by 308ca585cf9SKelvin Cheung the ICT (Institute of Computing Technology) and the Chinese Academy 309ca585cf9SKelvin Cheung of Sciences. 310ca585cf9SKelvin Cheung 3111da177e4SLinus Torvaldsconfig MIPS_MALTA 3123fa986faSMartin Michlmayr bool "MIPS Malta board" 31361ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 3141da177e4SLinus Torvalds select BOOT_ELF32 315fa71c960SRalf Baechle select BOOT_RAW 31642f77542SRalf Baechle select CEVT_R4K 317940f6b48SRalf Baechle select CSRC_R4K 318778eeb1bSSteven J. Hill select CSRC_GIC 319885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 3201da177e4SLinus Torvalds select GENERIC_ISA_DMA 3218a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 322aa414dffSRalf Baechle select IRQ_CPU 32339b8d525SRalf Baechle select IRQ_GIC 3241da177e4SLinus Torvalds select HW_HAS_PCI 325d865bea4SRalf Baechle select I8253 3261da177e4SLinus Torvalds select I8259 3275e83d430SRalf Baechle select MIPS_BONITO64 3289318c51aSChris Dearman select MIPS_CPU_SCACHE 329252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3305e83d430SRalf Baechle select MIPS_MSC 3311da177e4SLinus Torvalds select SWAP_IO_SPACE 3327cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 3337cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 334bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 3357cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 3365d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 3377cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3387cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 339ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 340ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3415e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3425e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3430365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 344e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 345377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 346f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 3479693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 3481b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 3491da177e4SLinus Torvalds help 350f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 3511da177e4SLinus Torvalds board. 3521da177e4SLinus Torvalds 353ec47b274SSteven J. Hillconfig MIPS_SEAD3 354ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 355ec47b274SSteven J. Hill select BOOT_ELF32 356ec47b274SSteven J. Hill select BOOT_RAW 357f262b5f2SAndrew Bresticker select BUILTIN_DTB 358ec47b274SSteven J. Hill select CEVT_R4K 359ec47b274SSteven J. Hill select CSRC_R4K 360dfa762e1SSteven J. Hill select CSRC_GIC 361ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 362ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 363ec47b274SSteven J. Hill select DMA_NONCOHERENT 364ec47b274SSteven J. Hill select IRQ_CPU 365ec47b274SSteven J. Hill select IRQ_GIC 36644327236SQais Yousef select LIBFDT 367ec47b274SSteven J. Hill select MIPS_MSC 368ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 369ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 370ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 371ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 372ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 373ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 374ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 375ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 376ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 377a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 378377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 379ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 380ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 3819b731009SSteven J. Hill select USE_OF 382ec47b274SSteven J. Hill help 383ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 384ec47b274SSteven J. Hill board. 385ec47b274SSteven J. Hill 386a83860c2SRalf Baechleconfig NEC_MARKEINS 387a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 388a83860c2SRalf Baechle select SOC_EMMA2RH 389a83860c2SRalf Baechle select HW_HAS_PCI 390a83860c2SRalf Baechle help 391a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 392ade299d8SYoichi Yuasa 3935e83d430SRalf Baechleconfig MACH_VR41XX 39474142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 39542f77542SRalf Baechle select CEVT_R4K 396940f6b48SRalf Baechle select CSRC_R4K 3977cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 398377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 39927fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 4005e83d430SRalf Baechle 401edb6310aSDaniel Lairdconfig NXP_STB220 402edb6310aSDaniel Laird bool "NXP STB220 board" 403edb6310aSDaniel Laird select SOC_PNX833X 404edb6310aSDaniel Laird help 405edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 406edb6310aSDaniel Laird 407edb6310aSDaniel Lairdconfig NXP_STB225 408edb6310aSDaniel Laird bool "NXP 225 board" 409edb6310aSDaniel Laird select SOC_PNX833X 410edb6310aSDaniel Laird select SOC_PNX8335 411edb6310aSDaniel Laird help 412edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 413edb6310aSDaniel Laird 4149267a30dSMarc St-Jeanconfig PMC_MSP 4159267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 41639d30c13SAnoop P A select CEVT_R4K 41739d30c13SAnoop P A select CSRC_R4K 4189267a30dSMarc St-Jean select DMA_NONCOHERENT 4199267a30dSMarc St-Jean select SWAP_IO_SPACE 4209267a30dSMarc St-Jean select NO_EXCEPT_FILL 4219267a30dSMarc St-Jean select BOOT_RAW 4229267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 4239267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 4249267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 4259267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 426377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 4279267a30dSMarc St-Jean select IRQ_CPU 4289267a30dSMarc St-Jean select SERIAL_8250 4299267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 4309296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 4319296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 4329267a30dSMarc St-Jean help 4339267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 4349267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 4359267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 4369267a30dSMarc St-Jean a variety of MIPS cores. 4379267a30dSMarc St-Jean 438ae2b5bb6SJohn Crispinconfig RALINK 439ae2b5bb6SJohn Crispin bool "Ralink based machines" 440ae2b5bb6SJohn Crispin select CEVT_R4K 441ae2b5bb6SJohn Crispin select CSRC_R4K 442ae2b5bb6SJohn Crispin select BOOT_RAW 443ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 444ae2b5bb6SJohn Crispin select IRQ_CPU 445ae2b5bb6SJohn Crispin select USE_OF 446ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 447ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 448ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 449ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 450377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 451ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 452ae2b5bb6SJohn Crispin select HAVE_MACH_CLKDEV 453ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 4542a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 4552a153f1cSJohn Crispin select RESET_CONTROLLER 456ae2b5bb6SJohn Crispin 4571da177e4SLinus Torvaldsconfig SGI_IP22 4583fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 4590e2794b0SRalf Baechle select FW_ARC 4600e2794b0SRalf Baechle select FW_ARC32 4611da177e4SLinus Torvalds select BOOT_ELF32 46242f77542SRalf Baechle select CEVT_R4K 463940f6b48SRalf Baechle select CSRC_R4K 464e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4651da177e4SLinus Torvalds select DMA_NONCOHERENT 4665e83d430SRalf Baechle select HW_HAS_EISA 467d865bea4SRalf Baechle select I8253 46868de4803SThomas Bogendoerfer select I8259 4691da177e4SLinus Torvalds select IP22_CPU_SCACHE 4701da177e4SLinus Torvalds select IRQ_CPU 471aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 472e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 473e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 47436e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 475e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 476e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 477e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 4781da177e4SLinus Torvalds select SWAP_IO_SPACE 4797cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4807cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4812b5e63f6SMartin Michlmayr # 4822b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 4832b5e63f6SMartin Michlmayr # memory during early boot on some machines. 4842b5e63f6SMartin Michlmayr # 4852b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 4862b5e63f6SMartin Michlmayr # for a more details discussion 4872b5e63f6SMartin Michlmayr # 4882b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 489ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 490ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4915e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 492930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 4931da177e4SLinus Torvalds help 4941da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 4951da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 4961da177e4SLinus Torvalds that runs on these, say Y here. 4971da177e4SLinus Torvalds 4981da177e4SLinus Torvaldsconfig SGI_IP27 4993fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 5000e2794b0SRalf Baechle select FW_ARC 5010e2794b0SRalf Baechle select FW_ARC64 5025e83d430SRalf Baechle select BOOT_ELF64 503e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 504634286f1SRalf Baechle select DMA_COHERENT 50536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 5061da177e4SLinus Torvalds select HW_HAS_PCI 507130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 5087cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 509ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5105e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 511d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 5121a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 513930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5141da177e4SLinus Torvalds help 5151da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 5161da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 5171da177e4SLinus Torvalds here. 5181da177e4SLinus Torvalds 519e2defae5SThomas Bogendoerferconfig SGI_IP28 5207d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 5210e2794b0SRalf Baechle select FW_ARC 5220e2794b0SRalf Baechle select FW_ARC64 523e2defae5SThomas Bogendoerfer select BOOT_ELF64 524e2defae5SThomas Bogendoerfer select CEVT_R4K 525e2defae5SThomas Bogendoerfer select CSRC_R4K 526e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 527e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 528e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 529e2defae5SThomas Bogendoerfer select IRQ_CPU 530e2defae5SThomas Bogendoerfer select HW_HAS_EISA 531e2defae5SThomas Bogendoerfer select I8253 532e2defae5SThomas Bogendoerfer select I8259 533e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 534e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 5355b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 536e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 537e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 538e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 539e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 540e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 5412b5e63f6SMartin Michlmayr # 5422b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5432b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5442b5e63f6SMartin Michlmayr # 5452b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5462b5e63f6SMartin Michlmayr # for a more details discussion 5472b5e63f6SMartin Michlmayr # 5482b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 549e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 550e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 551dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 552e2defae5SThomas Bogendoerfer help 553e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 554e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 555e2defae5SThomas Bogendoerfer 5561da177e4SLinus Torvaldsconfig SGI_IP32 557cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 5580e2794b0SRalf Baechle select FW_ARC 5590e2794b0SRalf Baechle select FW_ARC32 5601da177e4SLinus Torvalds select BOOT_ELF32 56142f77542SRalf Baechle select CEVT_R4K 562940f6b48SRalf Baechle select CSRC_R4K 5631da177e4SLinus Torvalds select DMA_NONCOHERENT 5641da177e4SLinus Torvalds select HW_HAS_PCI 565dd67b155SRalf Baechle select IRQ_CPU 5661da177e4SLinus Torvalds select R5000_CPU_SCACHE 5671da177e4SLinus Torvalds select RM7000_CPU_SCACHE 5687cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 5697cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 5707cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 571dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 572ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5735e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5741da177e4SLinus Torvalds help 5751da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 5761da177e4SLinus Torvalds 577ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 578ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 5795e83d430SRalf Baechle select BOOT_ELF32 5805e83d430SRalf Baechle select DMA_COHERENT 5815e83d430SRalf Baechle select SIBYTE_BCM1120 5825e83d430SRalf Baechle select SWAP_IO_SPACE 5837cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5845e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5855e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5865e83d430SRalf Baechle 587ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 588ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 5895e83d430SRalf Baechle select BOOT_ELF32 5905e83d430SRalf Baechle select DMA_COHERENT 5915e83d430SRalf Baechle select SIBYTE_BCM1120 5925e83d430SRalf Baechle select SWAP_IO_SPACE 5937cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 5945e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5955e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5965e83d430SRalf Baechle 5975e83d430SRalf Baechleconfig SIBYTE_CRHONE 5983fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 5995e83d430SRalf Baechle select BOOT_ELF32 6005e83d430SRalf Baechle select DMA_COHERENT 6015e83d430SRalf Baechle select SIBYTE_BCM1125 6025e83d430SRalf Baechle select SWAP_IO_SPACE 6037cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6045e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6055e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6065e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6075e83d430SRalf Baechle 608ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 609ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 610ade299d8SYoichi Yuasa select BOOT_ELF32 611ade299d8SYoichi Yuasa select DMA_COHERENT 612ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 613ade299d8SYoichi Yuasa select SWAP_IO_SPACE 614ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 615ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 616ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 617ade299d8SYoichi Yuasa 618ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 619ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 620ade299d8SYoichi Yuasa select BOOT_ELF32 621ade299d8SYoichi Yuasa select DMA_COHERENT 622fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 623ade299d8SYoichi Yuasa select SIBYTE_SB1250 624ade299d8SYoichi Yuasa select SWAP_IO_SPACE 625ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 626ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 627ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 628ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 629cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 630ade299d8SYoichi Yuasa 631ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 632ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 633ade299d8SYoichi Yuasa select BOOT_ELF32 634ade299d8SYoichi Yuasa select DMA_COHERENT 635fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 636ade299d8SYoichi Yuasa select SIBYTE_SB1250 637ade299d8SYoichi Yuasa select SWAP_IO_SPACE 638ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 639ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 640ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 641ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 642ade299d8SYoichi Yuasa 643ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 644ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 645ade299d8SYoichi Yuasa select BOOT_ELF32 646ade299d8SYoichi Yuasa select DMA_COHERENT 647ade299d8SYoichi Yuasa select SIBYTE_SB1250 648ade299d8SYoichi Yuasa select SWAP_IO_SPACE 649ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 650ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 651ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 652ade299d8SYoichi Yuasa 653ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 654ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 655ade299d8SYoichi Yuasa select BOOT_ELF32 656ade299d8SYoichi Yuasa select DMA_COHERENT 657ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 658ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 659ade299d8SYoichi Yuasa select SWAP_IO_SPACE 660ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 661ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 662651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 663ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 664cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 665ade299d8SYoichi Yuasa 66614b36af4SThomas Bogendoerferconfig SNI_RM 66714b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 6680e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 6690e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 670aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 6715e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 6725e83d430SRalf Baechle select BOOT_ELF32 67342f77542SRalf Baechle select CEVT_R4K 674940f6b48SRalf Baechle select CSRC_R4K 675e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 6765e83d430SRalf Baechle select DMA_NONCOHERENT 6775e83d430SRalf Baechle select GENERIC_ISA_DMA 6788a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 6795e83d430SRalf Baechle select HW_HAS_EISA 6805e83d430SRalf Baechle select HW_HAS_PCI 681c066a32aSThomas Bogendoerfer select IRQ_CPU 682d865bea4SRalf Baechle select I8253 6835e83d430SRalf Baechle select I8259 6845e83d430SRalf Baechle select ISA 6854a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 6867cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6874a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 688c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 6894a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 69036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 691ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 6927d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 6934a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 6945e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6955e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6961da177e4SLinus Torvalds help 69714b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 69814b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 6995e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 7005e83d430SRalf Baechle support this machine type. 7011da177e4SLinus Torvalds 702edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 703edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 7045e83d430SRalf Baechle 705edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 706edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 70723fbee9dSRalf Baechle 70873b4390fSRalf Baechleconfig MIKROTIK_RB532 70973b4390fSRalf Baechle bool "Mikrotik RB532 boards" 71073b4390fSRalf Baechle select CEVT_R4K 71173b4390fSRalf Baechle select CSRC_R4K 71273b4390fSRalf Baechle select DMA_NONCOHERENT 71373b4390fSRalf Baechle select HW_HAS_PCI 71473b4390fSRalf Baechle select IRQ_CPU 71573b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 71673b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 71773b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 71873b4390fSRalf Baechle select SWAP_IO_SPACE 71973b4390fSRalf Baechle select BOOT_RAW 720d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 721930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 72273b4390fSRalf Baechle help 72373b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 72473b4390fSRalf Baechle based on the IDT RC32434 SoC. 72573b4390fSRalf Baechle 7269ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 7279ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 728a86c7f72SDavid Daney select CEVT_R4K 729a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 730a86c7f72SDavid Daney select DMA_COHERENT 731a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 732a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 733f65aad41SRalf Baechle select EDAC_SUPPORT 734773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 735a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 7365e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 737a86c7f72SDavid Daney select SWAP_IO_SPACE 738e8635b48SDavid Daney select HW_HAS_PCI 739f00e001eSDavid Daney select ZONE_DMA32 740465aaed0SDavid Daney select HOLES_IN_ZONE 74199cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 7426e511163SDavid Daney select LIBFDT 7436e511163SDavid Daney select USE_OF 7446e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 7456e511163SDavid Daney select SYS_SUPPORTS_SMP 7466e511163SDavid Daney select NR_CPUS_DEFAULT_16 747e326479fSAndrew Bresticker select BUILTIN_DTB 748a86c7f72SDavid Daney help 749a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 750a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 751a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 752a86c7f72SDavid Daney Some of the supported boards are: 753a86c7f72SDavid Daney EBT3000 754a86c7f72SDavid Daney EBH3000 755a86c7f72SDavid Daney EBH3100 756a86c7f72SDavid Daney Thunder 757a86c7f72SDavid Daney Kodama 758a86c7f72SDavid Daney Hikari 759a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 760a86c7f72SDavid Daney 7617f058e85SJayachandran Cconfig NLM_XLR_BOARD 7627f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 7637f058e85SJayachandran C select BOOT_ELF32 7647f058e85SJayachandran C select NLM_COMMON 7657f058e85SJayachandran C select SYS_HAS_CPU_XLR 7667f058e85SJayachandran C select SYS_SUPPORTS_SMP 7677f058e85SJayachandran C select HW_HAS_PCI 7687f058e85SJayachandran C select SWAP_IO_SPACE 7697f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 7707f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 7717f058e85SJayachandran C select 64BIT_PHYS_ADDR 7727f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 7737f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 7747f058e85SJayachandran C select DMA_COHERENT 7757f058e85SJayachandran C select NR_CPUS_DEFAULT_32 7767f058e85SJayachandran C select CEVT_R4K 7777f058e85SJayachandran C select CSRC_R4K 7787f058e85SJayachandran C select IRQ_CPU 779b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 7807f058e85SJayachandran C select SYNC_R4K 7817f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 7828f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 7838f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 7847f058e85SJayachandran C help 7857f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 7867f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 7877f058e85SJayachandran C 7881c773ea4SJayachandran Cconfig NLM_XLP_BOARD 7891c773ea4SJayachandran C bool "Netlogic XLP based systems" 7901c773ea4SJayachandran C select BOOT_ELF32 7911c773ea4SJayachandran C select NLM_COMMON 7921c773ea4SJayachandran C select SYS_HAS_CPU_XLP 7931c773ea4SJayachandran C select SYS_SUPPORTS_SMP 7941c773ea4SJayachandran C select HW_HAS_PCI 7951c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 7961c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 7971c773ea4SJayachandran C select 64BIT_PHYS_ADDR 7981c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 7991c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 8001c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 8011c773ea4SJayachandran C select DMA_COHERENT 8021c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 8031c773ea4SJayachandran C select CEVT_R4K 8041c773ea4SJayachandran C select CSRC_R4K 8051c773ea4SJayachandran C select IRQ_CPU 806b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8071c773ea4SJayachandran C select SYNC_R4K 8081c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 8092f6528e1SJayachandran C select USE_OF 8108f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8118f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8121c773ea4SJayachandran C help 8131c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 8141c773ea4SJayachandran C Say Y here if you have a XLP based board. 8151c773ea4SJayachandran C 8169bc463beSDavid Daneyconfig MIPS_PARAVIRT 8179bc463beSDavid Daney bool "Para-Virtualized guest system" 8189bc463beSDavid Daney select CEVT_R4K 8199bc463beSDavid Daney select CSRC_R4K 8209bc463beSDavid Daney select DMA_COHERENT 8219bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 8229bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 8239bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 8249bc463beSDavid Daney select SYS_SUPPORTS_SMP 8259bc463beSDavid Daney select NR_CPUS_DEFAULT_4 8269bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 8279bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 8289bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 8299bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 8309bc463beSDavid Daney select HW_HAS_PCI 8319bc463beSDavid Daney select SWAP_IO_SPACE 8329bc463beSDavid Daney help 8339bc463beSDavid Daney This option supports guest running under ???? 8349bc463beSDavid Daney 8351da177e4SLinus Torvaldsendchoice 8361da177e4SLinus Torvalds 837e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 838d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 839a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 840e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 8415e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 8425ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 8438ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 8441f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 8450f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 846ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 84729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 84838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 84922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 8505e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 851a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 85285749d24SWu Zhangjinsource "arch/mips/loongson/Kconfig" 853ca585cf9SKelvin Cheungsource "arch/mips/loongson1/Kconfig" 8547f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 855ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 85638b18f72SRalf Baechle 8575e83d430SRalf Baechleendmenu 8585e83d430SRalf Baechle 8591da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 8601da177e4SLinus Torvalds bool 8611da177e4SLinus Torvalds default y 8621da177e4SLinus Torvalds 8631da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 8641da177e4SLinus Torvalds bool 8651da177e4SLinus Torvalds 866f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 867f0d1b0b3SDavid Howells bool 868f0d1b0b3SDavid Howells default n 869f0d1b0b3SDavid Howells 870f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 871f0d1b0b3SDavid Howells bool 872f0d1b0b3SDavid Howells default n 873f0d1b0b3SDavid Howells 8743c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 8753c9ee7efSAkinobu Mita bool 8763c9ee7efSAkinobu Mita default y 8773c9ee7efSAkinobu Mita 8781da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 8791da177e4SLinus Torvalds bool 8801da177e4SLinus Torvalds default y 8811da177e4SLinus Torvalds 882ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 8831cc89038SAtsushi Nemoto bool 8841cc89038SAtsushi Nemoto default y 8851cc89038SAtsushi Nemoto 8861da177e4SLinus Torvalds# 8871da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 8881da177e4SLinus Torvalds# 8890e2794b0SRalf Baechleconfig FW_ARC 8901da177e4SLinus Torvalds bool 8911da177e4SLinus Torvalds 89261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 89361ed242dSRalf Baechle bool 89461ed242dSRalf Baechle 8959267a30dSMarc St-Jeanconfig BOOT_RAW 8969267a30dSMarc St-Jean bool 8979267a30dSMarc St-Jean 898217dd11eSRalf Baechleconfig CEVT_BCM1480 899217dd11eSRalf Baechle bool 900217dd11eSRalf Baechle 9016457d9fcSYoichi Yuasaconfig CEVT_DS1287 9026457d9fcSYoichi Yuasa bool 9036457d9fcSYoichi Yuasa 9041097c6acSYoichi Yuasaconfig CEVT_GT641XX 9051097c6acSYoichi Yuasa bool 9061097c6acSYoichi Yuasa 90742f77542SRalf Baechleconfig CEVT_R4K 90842f77542SRalf Baechle bool 90942f77542SRalf Baechle 9100ab2b7d0SRaghu Gandhamconfig CEVT_GIC 911237036deSPaul Burton select MIPS_CM 9120ab2b7d0SRaghu Gandham bool 9130ab2b7d0SRaghu Gandham 914217dd11eSRalf Baechleconfig CEVT_SB1250 915217dd11eSRalf Baechle bool 916217dd11eSRalf Baechle 917229f773eSAtsushi Nemotoconfig CEVT_TXX9 918229f773eSAtsushi Nemoto bool 919229f773eSAtsushi Nemoto 920217dd11eSRalf Baechleconfig CSRC_BCM1480 921217dd11eSRalf Baechle bool 922217dd11eSRalf Baechle 9234247417dSYoichi Yuasaconfig CSRC_IOASIC 9244247417dSYoichi Yuasa bool 9254247417dSYoichi Yuasa 926940f6b48SRalf Baechleconfig CSRC_R4K 927940f6b48SRalf Baechle bool 928940f6b48SRalf Baechle 929778eeb1bSSteven J. Hillconfig CSRC_GIC 930237036deSPaul Burton select MIPS_CM 931778eeb1bSSteven J. Hill bool 932778eeb1bSSteven J. Hill 933217dd11eSRalf Baechleconfig CSRC_SB1250 934217dd11eSRalf Baechle bool 935217dd11eSRalf Baechle 936a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 9377444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 938a9aec7feSAtsushi Nemoto bool 939a9aec7feSAtsushi Nemoto 9400e2794b0SRalf Baechleconfig FW_CFE 941df78b5c8SAurelien Jarno bool 942df78b5c8SAurelien Jarno 9434bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 9444bafad92SFUJITA Tomonori def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT 9454bafad92SFUJITA Tomonori 946885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 947885014bcSFelix Fietkau select DMA_NONCOHERENT 948885014bcSFelix Fietkau bool 949885014bcSFelix Fietkau 9501da177e4SLinus Torvaldsconfig DMA_COHERENT 9511da177e4SLinus Torvalds bool 9521da177e4SLinus Torvalds 9531da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 9541da177e4SLinus Torvalds bool 955e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 9564ce588cdSRalf Baechle 957e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 9584ce588cdSRalf Baechle bool 9591da177e4SLinus Torvalds 96036a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 9611da177e4SLinus Torvalds bool 9621da177e4SLinus Torvalds 963dbb74540SRalf Baechleconfig HOTPLUG_CPU 9641b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 96540b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 9661b2bc75cSRalf Baechle help 9671b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 9681b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 9691b2bc75cSRalf Baechle (Note: power management support will enable this option 9701b2bc75cSRalf Baechle automatically on SMP systems. ) 9711b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 9721b2bc75cSRalf Baechle 9731b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 974dbb74540SRalf Baechle bool 975dbb74540SRalf Baechle 9761da177e4SLinus Torvaldsconfig I8259 9771da177e4SLinus Torvalds bool 9781da177e4SLinus Torvalds 9791da177e4SLinus Torvaldsconfig MIPS_BONITO64 9801da177e4SLinus Torvalds bool 9811da177e4SLinus Torvalds 9821da177e4SLinus Torvaldsconfig MIPS_MSC 9831da177e4SLinus Torvalds bool 9841da177e4SLinus Torvalds 9851f21d2bdSBrian Murphyconfig MIPS_NILE4 9861f21d2bdSBrian Murphy bool 9871f21d2bdSBrian Murphy 98839b8d525SRalf Baechleconfig SYNC_R4K 98939b8d525SRalf Baechle bool 99039b8d525SRalf Baechle 991487d70d0SGabor Juhosconfig MIPS_MACHINE 992487d70d0SGabor Juhos def_bool n 993487d70d0SGabor Juhos 994ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 995d388d685SMaciej W. Rozycki def_bool n 996d388d685SMaciej W. Rozycki 9978313da30SRalf Baechleconfig GENERIC_ISA_DMA 9988313da30SRalf Baechle bool 9998313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1000a35bee8aSNamhyung Kim select ISA_DMA_API 10018313da30SRalf Baechle 1002aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1003aa414dffSRalf Baechle bool 10048313da30SRalf Baechle select GENERIC_ISA_DMA 1005aa414dffSRalf Baechle 1006a35bee8aSNamhyung Kimconfig ISA_DMA_API 1007a35bee8aSNamhyung Kim bool 1008a35bee8aSNamhyung Kim 1009465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1010465aaed0SDavid Daney bool 1011465aaed0SDavid Daney 10125e83d430SRalf Baechle# 10136b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 10145e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 10155e83d430SRalf Baechle# choice statement should be more obvious to the user. 10165e83d430SRalf Baechle# 10175e83d430SRalf Baechlechoice 10186b2aac42SMasanari Iida prompt "Endianness selection" 10191da177e4SLinus Torvalds help 10201da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 10215e83d430SRalf Baechle byte order. These modes require different kernels and a different 10223cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 10235e83d430SRalf Baechle particular system but some systems are just as commonly used in the 10243dde6ad8SDavid Sterba one or the other endianness. 10255e83d430SRalf Baechle 10265e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 10275e83d430SRalf Baechle bool "Big endian" 10285e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 10295e83d430SRalf Baechle 10305e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 10315e83d430SRalf Baechle bool "Little endian" 10325e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 10335e83d430SRalf Baechle 10345e83d430SRalf Baechleendchoice 10355e83d430SRalf Baechle 103622b0763aSDavid Daneyconfig EXPORT_UASM 103722b0763aSDavid Daney bool 103822b0763aSDavid Daney 10392116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 10402116245eSRalf Baechle bool 10412116245eSRalf Baechle 10425e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 10435e83d430SRalf Baechle bool 10445e83d430SRalf Baechle 10455e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 10465e83d430SRalf Baechle bool 10471da177e4SLinus Torvalds 10489cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 10499cffd154SDavid Daney bool 10509cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 10519cffd154SDavid Daney default y 10529cffd154SDavid Daney 1053aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1054aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1055aa1762f4SDavid Daney 10561da177e4SLinus Torvaldsconfig IRQ_CPU 10571da177e4SLinus Torvalds bool 10581da177e4SLinus Torvalds 10591da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 10601da177e4SLinus Torvalds bool 10611da177e4SLinus Torvalds 10629267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 10639267a30dSMarc St-Jean bool 10649267a30dSMarc St-Jean 10659267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 10669267a30dSMarc St-Jean bool 10679267a30dSMarc St-Jean 10688420fd00SAtsushi Nemotoconfig IRQ_TXX9 10698420fd00SAtsushi Nemoto bool 10708420fd00SAtsushi Nemoto 1071d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1072d5ab1a69SYoichi Yuasa bool 1073d5ab1a69SYoichi Yuasa 107439b8d525SRalf Baechleconfig IRQ_GIC 1075237036deSPaul Burton select MIPS_CM 107639b8d525SRalf Baechle bool 107739b8d525SRalf Baechle 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 1577ca585cf9SKelvin Cheung 1578fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 157904fa8bf7SJonas Gorski select SMP_UP if SMP 15801bbb6c1bSKevin Cernekee bool 1581cd746249SJonas Gorski 1582cd746249SJonas Gorskiconfig CPU_BMIPS4350 1583cd746249SJonas Gorski bool 1584cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1585cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1586cd746249SJonas Gorski 1587cd746249SJonas Gorskiconfig CPU_BMIPS4380 1588cd746249SJonas Gorski bool 1589cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1590cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1591cd746249SJonas Gorski 1592cd746249SJonas Gorskiconfig CPU_BMIPS5000 1593cd746249SJonas Gorski bool 1594cd746249SJonas Gorski select MIPS_CPU_SCACHE 1595cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1596cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 15971bbb6c1bSKevin Cernekee 15980e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 15990e476d91SHuacai Chen bool 16000e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 16010e476d91SHuacai Chen 16023702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 16032a21c730SFuxin Zhang bool 16042a21c730SFuxin Zhang 16056f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 16066f7a251aSWu Zhangjin bool 160755045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 160855045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 160922f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 16106f7a251aSWu Zhangjin 1611ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1612ca585cf9SKelvin Cheung bool 1613ca585cf9SKelvin Cheung 16147cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 16157cf8053bSRalf Baechle bool 16167cf8053bSRalf Baechle 16177cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 16187cf8053bSRalf Baechle bool 16197cf8053bSRalf Baechle 1620a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1621a6e18781SLeonid Yegoshin bool 1622a6e18781SLeonid Yegoshin 16237cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 16247cf8053bSRalf Baechle bool 16257cf8053bSRalf Baechle 16267cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 16277cf8053bSRalf Baechle bool 16287cf8053bSRalf Baechle 16297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 16307cf8053bSRalf Baechle bool 16317cf8053bSRalf Baechle 16327cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 16337cf8053bSRalf Baechle bool 16347cf8053bSRalf Baechle 16357cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 16367cf8053bSRalf Baechle bool 16377cf8053bSRalf Baechle 16387cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 16397cf8053bSRalf Baechle bool 16407cf8053bSRalf Baechle 16417cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 16427cf8053bSRalf Baechle bool 16437cf8053bSRalf Baechle 16447cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 16457cf8053bSRalf Baechle bool 16467cf8053bSRalf Baechle 16477cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 16487cf8053bSRalf Baechle bool 16497cf8053bSRalf Baechle 16507cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 16517cf8053bSRalf Baechle bool 16527cf8053bSRalf Baechle 1653542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1654542c1020SShinya Kuribayashi bool 1655542c1020SShinya Kuribayashi 16567cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 16577cf8053bSRalf Baechle bool 16587cf8053bSRalf Baechle 16597cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 16607cf8053bSRalf Baechle bool 16617cf8053bSRalf Baechle 16627cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 16637cf8053bSRalf Baechle bool 16647cf8053bSRalf Baechle 16657cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 16667cf8053bSRalf Baechle bool 16677cf8053bSRalf Baechle 16687cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 16697cf8053bSRalf Baechle bool 16707cf8053bSRalf Baechle 16717cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 16727cf8053bSRalf Baechle bool 16737cf8053bSRalf Baechle 16745e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 16755e683389SDavid Daney bool 16765e683389SDavid Daney 1677cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1678c1c0c461SKevin Cernekee bool 1679c1c0c461SKevin Cernekee 1680fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1681c1c0c461SKevin Cernekee bool 1682cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1683c1c0c461SKevin Cernekee 1684c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1685c1c0c461SKevin Cernekee bool 1686cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1687c1c0c461SKevin Cernekee 1688c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1689c1c0c461SKevin Cernekee bool 1690cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1691c1c0c461SKevin Cernekee 1692c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1693c1c0c461SKevin Cernekee bool 1694cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1695c1c0c461SKevin Cernekee 16967f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 16977f058e85SJayachandran C bool 16987f058e85SJayachandran C 16991c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 17001c773ea4SJayachandran C bool 17011c773ea4SJayachandran C 1702b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1703b6911bbaSPaul Burton depends on MIPS_MALTA 1704b6911bbaSPaul Burton depends on PCI 1705b6911bbaSPaul Burton bool 1706b6911bbaSPaul Burton default y 1707b6911bbaSPaul Burton 170817099b11SRalf Baechle# 170917099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 171017099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 171117099b11SRalf Baechle# 17120004a9dfSRalf Baechleconfig WEAK_ORDERING 17130004a9dfSRalf Baechle bool 171417099b11SRalf Baechle 171517099b11SRalf Baechle# 171617099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 171717099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 171817099b11SRalf Baechle# 171917099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 172017099b11SRalf Baechle bool 17215e83d430SRalf Baechleendmenu 17225e83d430SRalf Baechle 17235e83d430SRalf Baechle# 17245e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 17255e83d430SRalf Baechle# 17265e83d430SRalf Baechleconfig CPU_MIPS32 17275e83d430SRalf Baechle bool 17285e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 17295e83d430SRalf Baechle 17305e83d430SRalf Baechleconfig CPU_MIPS64 17315e83d430SRalf Baechle bool 17325e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 17335e83d430SRalf Baechle 17345e83d430SRalf Baechle# 1735c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 17365e83d430SRalf Baechle# 17375e83d430SRalf Baechleconfig CPU_MIPSR1 17385e83d430SRalf Baechle bool 17395e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 17405e83d430SRalf Baechle 17415e83d430SRalf Baechleconfig CPU_MIPSR2 17425e83d430SRalf Baechle bool 1743a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 17445e83d430SRalf Baechle 1745a6e18781SLeonid Yegoshinconfig EVA 1746a6e18781SLeonid Yegoshin bool 1747a6e18781SLeonid Yegoshin 17485e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 17495e83d430SRalf Baechle bool 17505e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 17515e83d430SRalf Baechle bool 17525e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 17535e83d430SRalf Baechle bool 17545e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 17555e83d430SRalf Baechle bool 175655045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 175755045ff5SWu Zhangjin bool 175855045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 175955045ff5SWu Zhangjin bool 17609cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 17619cffd154SDavid Daney bool 176222f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 176322f1fdfdSWu Zhangjin bool 176482622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 176582622284SDavid Daney bool 1766d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 17675e83d430SRalf Baechle 17688192c9eaSDavid Daney# 17698192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 17708192c9eaSDavid Daney# 17718192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 17728192c9eaSDavid Daney bool 1773f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 17748192c9eaSDavid Daney 17755e83d430SRalf Baechlemenu "Kernel type" 17765e83d430SRalf Baechle 17775e83d430SRalf Baechlechoice 17785e83d430SRalf Baechle prompt "Kernel code model" 17795e83d430SRalf Baechle help 17805e83d430SRalf Baechle You should only select this option if you have a workload that 17815e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 17825e83d430SRalf Baechle large memory. You will only be presented a single option in this 17835e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 17845e83d430SRalf Baechle 17855e83d430SRalf Baechleconfig 32BIT 17865e83d430SRalf Baechle bool "32-bit kernel" 17875e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 17885e83d430SRalf Baechle select TRAD_SIGNALS 17895e83d430SRalf Baechle help 17905e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 17915e83d430SRalf Baechleconfig 64BIT 17925e83d430SRalf Baechle bool "64-bit kernel" 17935e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 17945e83d430SRalf Baechle help 17955e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 17965e83d430SRalf Baechle 17975e83d430SRalf Baechleendchoice 17985e83d430SRalf Baechle 17992235a54dSSanjay Lalconfig KVM_GUEST 18002235a54dSSanjay Lal bool "KVM Guest Kernel" 1801f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 18022235a54dSSanjay Lal help 18032235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 18042235a54dSSanjay Lal 1805eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1806eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 18072235a54dSSanjay Lal depends on KVM_GUEST 1808eda3d33cSJames Hogan default 100 18092235a54dSSanjay Lal help 1810eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 1811eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 1812eda3d33cSJames Hogan timer frequency is specified directly. 18132235a54dSSanjay Lal 18141da177e4SLinus Torvaldschoice 18151da177e4SLinus Torvalds prompt "Kernel page size" 18161da177e4SLinus Torvalds default PAGE_SIZE_4KB 18171da177e4SLinus Torvalds 18181da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 18191da177e4SLinus Torvalds bool "4kB" 18200e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 18211da177e4SLinus Torvalds help 18221da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 18231da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 18241da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 18251da177e4SLinus Torvalds recommended for low memory systems. 18261da177e4SLinus Torvalds 18271da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 18281da177e4SLinus Torvalds bool "8kB" 18297d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 18301da177e4SLinus Torvalds help 18311da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 18321da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1833c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1834c52399beSRalf Baechle suitable Linux distribution to support this. 18351da177e4SLinus Torvalds 18361da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 18371da177e4SLinus Torvalds bool "16kB" 1838714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 18391da177e4SLinus Torvalds help 18401da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 18411da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1842714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1843714bfad6SRalf Baechle Linux distribution to support this. 18441da177e4SLinus Torvalds 1845c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1846c52399beSRalf Baechle bool "32kB" 1847c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1848c52399beSRalf Baechle help 1849c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1850c52399beSRalf Baechle the price of higher memory consumption. This option is available 1851c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1852c52399beSRalf Baechle distribution to support this. 1853c52399beSRalf Baechle 18541da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 18551da177e4SLinus Torvalds bool "64kB" 18567d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 18571da177e4SLinus Torvalds help 18581da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 18591da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 18601da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1861714bfad6SRalf Baechle writing this option is still high experimental. 18621da177e4SLinus Torvalds 18631da177e4SLinus Torvaldsendchoice 18641da177e4SLinus Torvalds 1865c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 1866c9bace7cSDavid Daney int "Maximum zone order" 1867e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1868e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1869e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1870e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1871e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1872e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1873c9bace7cSDavid Daney range 11 64 1874c9bace7cSDavid Daney default "11" 1875c9bace7cSDavid Daney help 1876c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 1877c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 1878c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 1879c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 1880c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 1881c9bace7cSDavid Daney increase this value. 1882c9bace7cSDavid Daney 1883c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 1884c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 1885c9bace7cSDavid Daney 1886c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 1887c9bace7cSDavid Daney when choosing a value for this option. 1888c9bace7cSDavid Daney 18890ab2b7d0SRaghu Gandhamconfig CEVT_GIC 18900ab2b7d0SRaghu Gandham bool "Use GIC global counter for clock events" 1891b633648cSRalf Baechle depends on IRQ_GIC && !MIPS_SEAD3 18920ab2b7d0SRaghu Gandham help 18930ab2b7d0SRaghu Gandham Use the GIC global counter for the clock events. The R4K clock 18940ab2b7d0SRaghu Gandham event driver is always present, so if the platform ends up not 18950ab2b7d0SRaghu Gandham detecting a GIC, it will fall back to the R4K timer for the 18960ab2b7d0SRaghu Gandham generation of clock events. 18970ab2b7d0SRaghu Gandham 18981da177e4SLinus Torvaldsconfig BOARD_SCACHE 18991da177e4SLinus Torvalds bool 19001da177e4SLinus Torvalds 19011da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 19021da177e4SLinus Torvalds bool 19031da177e4SLinus Torvalds select BOARD_SCACHE 19041da177e4SLinus Torvalds 19059318c51aSChris Dearman# 19069318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 19079318c51aSChris Dearman# 19089318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 19099318c51aSChris Dearman bool 19109318c51aSChris Dearman select BOARD_SCACHE 1911930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_6 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 2069a8b84677SPaul Burton select MIPS_CPC 20703179d37eSPaul Burton bool 20713179d37eSPaul Burton 207272e20142SPaul Burtonconfig MIPS_GIC_IPI 207372e20142SPaul Burton bool 207472e20142SPaul Burton 20759f98f3ddSPaul Burtonconfig MIPS_CM 20769f98f3ddSPaul Burton bool 20779f98f3ddSPaul Burton 20789c38cf44SPaul Burtonconfig MIPS_CPC 20799c38cf44SPaul Burton bool 20802600990eSRalf Baechle 20811da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 20821da177e4SLinus Torvalds bool 20831da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 20841da177e4SLinus Torvalds default y 20851da177e4SLinus Torvalds 20861da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 20871da177e4SLinus Torvalds bool 20881da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 20891da177e4SLinus Torvalds default y 20901da177e4SLinus Torvalds 20911da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 20921da177e4SLinus Torvalds bool 20931da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 20941da177e4SLinus Torvalds default y 20951da177e4SLinus Torvalds 20962235a54dSSanjay Lal 20971da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 2098d806cb2bSRalf Baechle bool 20991da177e4SLinus Torvalds 210060ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 210160ec6571Spascal@pabr.org def_bool 64BIT_PHYS_ADDR 210260ec6571Spascal@pabr.org 21039693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 21049693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 21059693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 21069693a853SFranck Bui-Huu help 21079693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 21089693a853SFranck Bui-Huu increased security at both hardware and software level for 21099693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 21109693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 21119693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 21129693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 21139693a853SFranck Bui-Huu here. 21149693a853SFranck Bui-Huu 2115bce86083SSteven J. Hillconfig CPU_MICROMIPS 2116bce86083SSteven J. Hill depends on SYS_SUPPORTS_MICROMIPS 2117bce86083SSteven J. Hill bool "Build kernel using microMIPS ISA" 2118bce86083SSteven J. Hill help 2119bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2120bce86083SSteven J. Hill microMIPS ISA 2121bce86083SSteven J. Hill 2122a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 21234af94d5dSPaul Burton bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" 2124a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 21252a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2126a5e9a69eSPaul Burton help 2127a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2128a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 21291db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 21301db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 21311db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 21321db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 21331db1af84SPaul Burton the size & complexity of your kernel. 2134a5e9a69eSPaul Burton 2135a5e9a69eSPaul Burton If unsure, say Y. 2136a5e9a69eSPaul Burton 21371da177e4SLinus Torvaldsconfig CPU_HAS_WB 2138f7062ddbSRalf Baechle bool 2139e01402b1SRalf Baechle 2140df0ac8a4SKevin Cernekeeconfig XKS01 2141df0ac8a4SKevin Cernekee bool 2142df0ac8a4SKevin Cernekee 2143f41ae0b2SRalf Baechle# 2144f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2145f41ae0b2SRalf Baechle# 2146e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2147f41ae0b2SRalf Baechle bool 2148e01402b1SRalf Baechle 2149f41ae0b2SRalf Baechle# 2150f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2151f41ae0b2SRalf Baechle# 2152e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2153f41ae0b2SRalf Baechle bool 2154e01402b1SRalf Baechle 21551da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 21561da177e4SLinus Torvalds bool 21571da177e4SLinus Torvalds depends on !CPU_R3000 21581da177e4SLinus Torvalds default y 21591da177e4SLinus Torvalds 21601da177e4SLinus Torvalds# 216120d60d99SMaciej W. Rozycki# CPU non-features 216220d60d99SMaciej W. Rozycki# 216320d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 216420d60d99SMaciej W. Rozycki bool 216520d60d99SMaciej W. Rozycki 216620d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 216720d60d99SMaciej W. Rozycki bool 216820d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 216920d60d99SMaciej W. Rozycki 217020d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 217120d60d99SMaciej W. Rozycki bool 217220d60d99SMaciej W. Rozycki 217320d60d99SMaciej W. Rozycki# 21741da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 21751da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 21761da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 21771da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 21781da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 21791da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 21801da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 21811da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2182797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2183797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2184797798c1SRalf Baechle# support. 21851da177e4SLinus Torvalds# 21861da177e4SLinus Torvaldsconfig HIGHMEM 21871da177e4SLinus Torvalds bool "High Memory Support" 2188a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2189797798c1SRalf Baechle 2190797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2191797798c1SRalf Baechle bool 2192797798c1SRalf Baechle 2193797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2194797798c1SRalf Baechle bool 21951da177e4SLinus Torvalds 21969693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 21979693a853SFranck Bui-Huu bool 21989693a853SFranck Bui-Huu 2199a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2200a6a4834cSSteven J. Hill bool 2201a6a4834cSSteven J. Hill 2202377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2203377cb1b6SRalf Baechle bool 2204377cb1b6SRalf Baechle help 2205377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2206377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2207377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2208377cb1b6SRalf Baechle 2209a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2210a5e9a69eSPaul Burton bool 2211a5e9a69eSPaul Burton 2212b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2213b4819b59SYoichi Yuasa def_bool y 2214f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2215b4819b59SYoichi Yuasa 2216d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2217d8cb4e11SRalf Baechle bool 2218d8cb4e11SRalf Baechle default y if SGI_IP27 2219d8cb4e11SRalf Baechle help 22203dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2221d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2222d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2223d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2224d8cb4e11SRalf Baechle 2225b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2226b1c6cd42SAtsushi Nemoto bool 22277de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 222831473747SAtsushi Nemoto 2229d8cb4e11SRalf Baechleconfig NUMA 2230d8cb4e11SRalf Baechle bool "NUMA Support" 2231d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2232d8cb4e11SRalf Baechle help 2233d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2234d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2235d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2236d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2237d8cb4e11SRalf Baechle disabled. 2238d8cb4e11SRalf Baechle 2239d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2240d8cb4e11SRalf Baechle bool 2241d8cb4e11SRalf Baechle 2242c80d79d7SYasunori Gotoconfig NODES_SHIFT 2243c80d79d7SYasunori Goto int 2244c80d79d7SYasunori Goto default "6" 2245c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2246c80d79d7SYasunori Goto 224714f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 224814f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2249b633648cSRalf Baechle depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) 225014f70012SDeng-Cheng Zhu default y 225114f70012SDeng-Cheng Zhu help 225214f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 225314f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 225414f70012SDeng-Cheng Zhu 2255b4819b59SYoichi Yuasasource "mm/Kconfig" 2256b4819b59SYoichi Yuasa 22571da177e4SLinus Torvaldsconfig SMP 22581da177e4SLinus Torvalds bool "Multi-Processing support" 2259e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2260e73ea273SRalf Baechle help 22611da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 22624a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 22634a474157SRobert Graffham than one CPU, say Y. 22641da177e4SLinus Torvalds 22654a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 22661da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 22671da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 22684a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 22691da177e4SLinus Torvalds will run faster if you say N here. 22701da177e4SLinus Torvalds 22711da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 22721da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 22731da177e4SLinus Torvalds 227403502faaSAdrian Bunk See also the SMP-HOWTO available at 227503502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 22761da177e4SLinus Torvalds 22771da177e4SLinus Torvalds If you don't know what to do here, say N. 22781da177e4SLinus Torvalds 227987353d8aSRalf Baechleconfig SMP_UP 228087353d8aSRalf Baechle bool 228187353d8aSRalf Baechle 22824a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 22834a16ff4cSRalf Baechle bool 22844a16ff4cSRalf Baechle 22850ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 22860ee958e1SPaul Burton bool 22870ee958e1SPaul Burton 2288e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2289e73ea273SRalf Baechle bool 2290e73ea273SRalf Baechle 2291130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2292130e2fb7SRalf Baechle bool 2293130e2fb7SRalf Baechle 2294130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2295130e2fb7SRalf Baechle bool 2296130e2fb7SRalf Baechle 2297130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2298130e2fb7SRalf Baechle bool 2299130e2fb7SRalf Baechle 2300130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2301130e2fb7SRalf Baechle bool 2302130e2fb7SRalf Baechle 2303130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2304130e2fb7SRalf Baechle bool 2305130e2fb7SRalf Baechle 23061da177e4SLinus Torvaldsconfig NR_CPUS 2307a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2308a91796a9SJayachandran C range 2 256 23091da177e4SLinus Torvalds depends on SMP 2310130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2311130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2312130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2313130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2314130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 23151da177e4SLinus Torvalds help 23161da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 23171da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 23181da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 231972ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 232072ede9b1SAtsushi Nemoto and 2 for all others. 23211da177e4SLinus Torvalds 23221da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 232372ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 232472ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 232572ede9b1SAtsushi Nemoto power of two. 23261da177e4SLinus Torvalds 2327399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2328399aaa25SAl Cooper bool 2329399aaa25SAl Cooper 23301723b4a3SAtsushi Nemoto# 23311723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 23321723b4a3SAtsushi Nemoto# 23331723b4a3SAtsushi Nemoto 23341723b4a3SAtsushi Nemotochoice 23351723b4a3SAtsushi Nemoto prompt "Timer frequency" 23361723b4a3SAtsushi Nemoto default HZ_250 23371723b4a3SAtsushi Nemoto help 23381723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 23391723b4a3SAtsushi Nemoto 23401723b4a3SAtsushi Nemoto config HZ_48 23410f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 23421723b4a3SAtsushi Nemoto 23431723b4a3SAtsushi Nemoto config HZ_100 23441723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 23451723b4a3SAtsushi Nemoto 23461723b4a3SAtsushi Nemoto config HZ_128 23471723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 23481723b4a3SAtsushi Nemoto 23491723b4a3SAtsushi Nemoto config HZ_250 23501723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 23511723b4a3SAtsushi Nemoto 23521723b4a3SAtsushi Nemoto config HZ_256 23531723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 23541723b4a3SAtsushi Nemoto 23551723b4a3SAtsushi Nemoto config HZ_1000 23561723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 23571723b4a3SAtsushi Nemoto 23581723b4a3SAtsushi Nemoto config HZ_1024 23591723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 23601723b4a3SAtsushi Nemoto 23611723b4a3SAtsushi Nemotoendchoice 23621723b4a3SAtsushi Nemoto 23631723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 23641723b4a3SAtsushi Nemoto bool 23651723b4a3SAtsushi Nemoto 23661723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 23671723b4a3SAtsushi Nemoto bool 23681723b4a3SAtsushi Nemoto 23691723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 23701723b4a3SAtsushi Nemoto bool 23711723b4a3SAtsushi Nemoto 23721723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 23731723b4a3SAtsushi Nemoto bool 23741723b4a3SAtsushi Nemoto 23751723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 23761723b4a3SAtsushi Nemoto bool 23771723b4a3SAtsushi Nemoto 23781723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 23791723b4a3SAtsushi Nemoto bool 23801723b4a3SAtsushi Nemoto 23811723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 23821723b4a3SAtsushi Nemoto bool 23831723b4a3SAtsushi Nemoto 23841723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 23851723b4a3SAtsushi Nemoto bool 23861723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 23871723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 23881723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 23891723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 23901723b4a3SAtsushi Nemoto 23911723b4a3SAtsushi Nemotoconfig HZ 23921723b4a3SAtsushi Nemoto int 23931723b4a3SAtsushi Nemoto default 48 if HZ_48 23941723b4a3SAtsushi Nemoto default 100 if HZ_100 23951723b4a3SAtsushi Nemoto default 128 if HZ_128 23961723b4a3SAtsushi Nemoto default 250 if HZ_250 23971723b4a3SAtsushi Nemoto default 256 if HZ_256 23981723b4a3SAtsushi Nemoto default 1000 if HZ_1000 23991723b4a3SAtsushi Nemoto default 1024 if HZ_1024 24001723b4a3SAtsushi Nemoto 2401e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 24021da177e4SLinus Torvalds 2403ea6e942bSAtsushi Nemotoconfig KEXEC 24047d60717eSKees Cook bool "Kexec system call" 2405ea6e942bSAtsushi Nemoto help 2406ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2407ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 24083dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2409ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2410ea6e942bSAtsushi Nemoto 241101dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2412ea6e942bSAtsushi Nemoto 2413ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2414ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2415bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2416bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2417bf220695SGeert Uytterhoeven made. 2418ea6e942bSAtsushi Nemoto 24197aa1c8f4SRalf Baechleconfig CRASH_DUMP 24207aa1c8f4SRalf Baechle bool "Kernel crash dumps" 24217aa1c8f4SRalf Baechle help 24227aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 24237aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 24247aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 24257aa1c8f4SRalf Baechle a specially reserved region and then later executed after 24267aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 24277aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 24287aa1c8f4SRalf Baechle PHYSICAL_START. 24297aa1c8f4SRalf Baechle 24307aa1c8f4SRalf Baechleconfig PHYSICAL_START 24317aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 24327aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 24337aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 24347aa1c8f4SRalf Baechle depends on CRASH_DUMP 24357aa1c8f4SRalf Baechle help 24367aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 24377aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 24387aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 24397aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 24407aa1c8f4SRalf Baechle passed to the panic-ed kernel). 24417aa1c8f4SRalf Baechle 2442ea6e942bSAtsushi Nemotoconfig SECCOMP 2443ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2444293c5bd1SRalf Baechle depends on PROC_FS 2445ea6e942bSAtsushi Nemoto default y 2446ea6e942bSAtsushi Nemoto help 2447ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2448ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2449ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2450ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2451ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2452ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2453ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2454ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2455ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2456ea6e942bSAtsushi Nemoto 2457ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2458ea6e942bSAtsushi Nemoto 2459597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 246006e2e882SPaul Burton bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" 2461597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2462597ce172SPaul Burton help 2463597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2464597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2465597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2466597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2467597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2468597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2469597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2470597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2471597ce172SPaul Burton saying N here. 2472597ce172SPaul Burton 247306e2e882SPaul Burton Although binutils currently supports use of this flag the details 247406e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 247506e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 247606e2e882SPaul Burton behaviour before the details have been finalised, this option should 247706e2e882SPaul Burton be considered experimental and only enabled by those working upon 247806e2e882SPaul Burton said details. 247906e2e882SPaul Burton 248006e2e882SPaul Burton If unsure, say N. 2481597ce172SPaul Burton 2482f2ffa5abSDezhong Diaoconfig USE_OF 24830b3e06fdSJonas Gorski bool 2484f2ffa5abSDezhong Diao select OF 2485e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2486abd2363fSGrant Likely select IRQ_DOMAIN 2487f2ffa5abSDezhong Diao 24887fafb068SAndrew Brestickerconfig BUILTIN_DTB 24897fafb068SAndrew Bresticker bool 24907fafb068SAndrew Bresticker 24915e83d430SRalf Baechleendmenu 24925e83d430SRalf Baechle 24931df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 24941df0f0ffSAtsushi Nemoto bool 24951df0f0ffSAtsushi Nemoto default y 24961df0f0ffSAtsushi Nemoto 24971df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 24981df0f0ffSAtsushi Nemoto bool 24991df0f0ffSAtsushi Nemoto default y 25001df0f0ffSAtsushi Nemoto 2501b6c3539bSRalf Baechlesource "init/Kconfig" 2502b6c3539bSRalf Baechle 2503dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2504dc52ddc0SMatt Helsley 25051da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 25061da177e4SLinus Torvalds 25075e83d430SRalf Baechleconfig HW_HAS_EISA 25085e83d430SRalf Baechle bool 25091da177e4SLinus Torvaldsconfig HW_HAS_PCI 25101da177e4SLinus Torvalds bool 25111da177e4SLinus Torvalds 25121da177e4SLinus Torvaldsconfig PCI 25131da177e4SLinus Torvalds bool "Support for PCI controller" 25141da177e4SLinus Torvalds depends on HW_HAS_PCI 2515abb4ae46SRalf Baechle select PCI_DOMAINS 25160f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 25171da177e4SLinus Torvalds help 25181da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 25191da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 25201da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 25211da177e4SLinus Torvalds say Y, otherwise N. 25221da177e4SLinus Torvalds 25230e476d91SHuacai Chenconfig HT_PCI 25240e476d91SHuacai Chen bool "Support for HT-linked PCI" 25250e476d91SHuacai Chen default y 25260e476d91SHuacai Chen depends on CPU_LOONGSON3 25270e476d91SHuacai Chen select PCI 25280e476d91SHuacai Chen select PCI_DOMAINS 25290e476d91SHuacai Chen help 25300e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 25310e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 25320e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 25330e476d91SHuacai Chen 25341da177e4SLinus Torvaldsconfig PCI_DOMAINS 25351da177e4SLinus Torvalds bool 25361da177e4SLinus Torvalds 25371da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 25381da177e4SLinus Torvalds 25393f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 25403f787ca4SJonas Gorski 25411da177e4SLinus Torvalds# 25421da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 25431da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 25441da177e4SLinus Torvalds# users to choose the right thing ... 25451da177e4SLinus Torvalds# 25461da177e4SLinus Torvaldsconfig ISA 25471da177e4SLinus Torvalds bool 25481da177e4SLinus Torvalds 25491da177e4SLinus Torvaldsconfig EISA 25501da177e4SLinus Torvalds bool "EISA support" 25515e83d430SRalf Baechle depends on HW_HAS_EISA 25521da177e4SLinus Torvalds select ISA 2553aa414dffSRalf Baechle select GENERIC_ISA_DMA 25541da177e4SLinus Torvalds ---help--- 25551da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 25561da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 25571da177e4SLinus Torvalds 25581da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 25591da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 25601da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 25611da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 25621da177e4SLinus Torvalds 25631da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 25641da177e4SLinus Torvalds 25651da177e4SLinus Torvalds Otherwise, say N. 25661da177e4SLinus Torvalds 25671da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 25681da177e4SLinus Torvalds 25691da177e4SLinus Torvaldsconfig TC 25701da177e4SLinus Torvalds bool "TURBOchannel support" 25711da177e4SLinus Torvalds depends on MACH_DECSTATION 25721da177e4SLinus Torvalds help 257350a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 257450a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 257550a23e6eSJustin P. Mattock at: 257650a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 257750a23e6eSJustin P. Mattock and: 257850a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 257950a23e6eSJustin P. Mattock Linux driver support status is documented at: 258050a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 25811da177e4SLinus Torvalds 25821da177e4SLinus Torvaldsconfig MMU 25831da177e4SLinus Torvalds bool 25841da177e4SLinus Torvalds default y 25851da177e4SLinus Torvalds 2586d865bea4SRalf Baechleconfig I8253 2587d865bea4SRalf Baechle bool 2588798778b8SRussell King select CLKSRC_I8253 25892d02612fSThomas Gleixner select CLKEVT_I8253 25909726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2591d865bea4SRalf Baechle 2592e05eb3f8SRalf Baechleconfig ZONE_DMA 2593e05eb3f8SRalf Baechle bool 2594e05eb3f8SRalf Baechle 2595cce335aeSRalf Baechleconfig ZONE_DMA32 2596cce335aeSRalf Baechle bool 2597cce335aeSRalf Baechle 25981da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 25991da177e4SLinus Torvalds 26001da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 26011da177e4SLinus Torvalds 2602388b78adSAlexandre Bounineconfig RAPIDIO 260356abde72SAlexandre Bounine tristate "RapidIO support" 2604388b78adSAlexandre Bounine depends on PCI 2605388b78adSAlexandre Bounine default n 2606388b78adSAlexandre Bounine help 2607388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2608388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2609388b78adSAlexandre Bounine 2610388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2611388b78adSAlexandre Bounine 26121da177e4SLinus Torvaldsendmenu 26131da177e4SLinus Torvalds 26141da177e4SLinus Torvaldsmenu "Executable file formats" 26151da177e4SLinus Torvalds 26161da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 26171da177e4SLinus Torvalds 26181da177e4SLinus Torvaldsconfig TRAD_SIGNALS 26191da177e4SLinus Torvalds bool 26201da177e4SLinus Torvalds 26211da177e4SLinus Torvaldsconfig MIPS32_COMPAT 26221da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2623875d43e7SRalf Baechle depends on 64BIT 26241da177e4SLinus Torvalds help 26251da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 26261da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 26271da177e4SLinus Torvalds currently 32-bit you should say Y here. 26281da177e4SLinus Torvalds 26291da177e4SLinus Torvaldsconfig COMPAT 26301da177e4SLinus Torvalds bool 26311da177e4SLinus Torvalds depends on MIPS32_COMPAT 263248b25c43SChris Metcalf select ARCH_WANT_OLD_COMPAT_IPC 26331da177e4SLinus Torvalds default y 26341da177e4SLinus Torvalds 263505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 263605e43966SAtsushi Nemoto bool 263705e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 263805e43966SAtsushi Nemoto default y 263905e43966SAtsushi Nemoto 26401da177e4SLinus Torvaldsconfig MIPS32_O32 26411da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 26421da177e4SLinus Torvalds depends on MIPS32_COMPAT 26431da177e4SLinus Torvalds help 26441da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 26451da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 26461da177e4SLinus Torvalds existing binaries are in this format. 26471da177e4SLinus Torvalds 26481da177e4SLinus Torvalds If unsure, say Y. 26491da177e4SLinus Torvalds 26501da177e4SLinus Torvaldsconfig MIPS32_N32 26511da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 26521da177e4SLinus Torvalds depends on MIPS32_COMPAT 26531da177e4SLinus Torvalds help 26541da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 26551da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 26561da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 26571da177e4SLinus Torvalds cases. 26581da177e4SLinus Torvalds 26591da177e4SLinus Torvalds If unsure, say N. 26601da177e4SLinus Torvalds 26611da177e4SLinus Torvaldsconfig BINFMT_ELF32 26621da177e4SLinus Torvalds bool 26631da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 26641da177e4SLinus Torvalds 26652116245eSRalf Baechleendmenu 26661da177e4SLinus Torvalds 26672116245eSRalf Baechlemenu "Power management options" 2668952fa954SRodolfo Giometti 2669363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2670363c55caSWu Zhangjin def_bool y 26713f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2672363c55caSWu Zhangjin 2673f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2674f4cb5700SJohannes Berg def_bool y 26753f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2676f4cb5700SJohannes Berg 26772116245eSRalf Baechlesource "kernel/power/Kconfig" 2678952fa954SRodolfo Giometti 26791da177e4SLinus Torvaldsendmenu 26801da177e4SLinus Torvalds 26817a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 26827a998935SViresh Kumar bool 26837a998935SViresh Kumar 26847a998935SViresh Kumarmenu "CPU Power Management" 2685c095ebafSPaul Burton 2686c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 26877a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 26887a998935SViresh Kumarendif 26899726b43aSWu Zhangjin 2690c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2691c095ebafSPaul Burton 2692c095ebafSPaul Burtonendmenu 2693c095ebafSPaul Burton 2694d5950b43SSam Ravnborgsource "net/Kconfig" 2695d5950b43SSam Ravnborg 26961da177e4SLinus Torvaldssource "drivers/Kconfig" 26971da177e4SLinus Torvalds 269898cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 269998cdee0eSRalf Baechle 27001da177e4SLinus Torvaldssource "fs/Kconfig" 27011da177e4SLinus Torvalds 27021da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 27031da177e4SLinus Torvalds 27041da177e4SLinus Torvaldssource "security/Kconfig" 27051da177e4SLinus Torvalds 27061da177e4SLinus Torvaldssource "crypto/Kconfig" 27071da177e4SLinus Torvalds 27081da177e4SLinus Torvaldssource "lib/Kconfig" 27092235a54dSSanjay Lal 27102235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2711