11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 5393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 6c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 7f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 8ec7748b5SSam Ravnborg select HAVE_IDE 942d4b839SMathieu Desnoyers select HAVE_OPROFILE 107f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 117f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1288547001SJason Wessel select HAVE_ARCH_KGDB 13490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 14c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 153f5fdb4bSMarkos Chandras select HAVE_BPF_JIT if !CPU_MICROMIPS 167563bbf8SMark Brown select ARCH_HAVE_CUSTOM_GPIO_H 17d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 18538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 19538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2064575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2129c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 22c1bf207dSDavid Daney select HAVE_KPROBES 23c1bf207dSDavid Daney select HAVE_KRETPROBES 24b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 251d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 26e26d196cSDavid Daney select ARCH_BINFMT_ELF_RANDOMIZE_PIE 27383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 2821a41faaSWu Zhangjin select RTC_LIB if !MACH_LOONGSON 292b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 307463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 3148e1fd5aSDavid Daney select HAVE_DMA_ATTRS 32f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3348e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 343bd27e32SDavid Daney select GENERIC_IRQ_PROBE 35f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 3678857614SMarkos Chandras select GENERIC_PCI_IOMAP 3794bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 38c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 390f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 409d15ffc8STejun Heo select HAVE_MEMBLOCK 419d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 429d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 43360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 444b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 45cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 46cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 47786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 484febd95aSStephen Rothwell select VIRT_TO_BUS 492f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 502f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5150150d2bSAl Viro select CLONE_BACKWARDS 52d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5319952a92SKees Cook select HAVE_CC_STACKPROTECTOR 54b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 55cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 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 1058*0f84c305SAndrew Bresticker select IRQ_DOMAIN 10591da177e4SLinus Torvalds 10601da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 10611da177e4SLinus Torvalds bool 10621da177e4SLinus Torvalds 10639267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 10649267a30dSMarc St-Jean bool 10659267a30dSMarc St-Jean 10669267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 10679267a30dSMarc St-Jean bool 10689267a30dSMarc St-Jean 10698420fd00SAtsushi Nemotoconfig IRQ_TXX9 10708420fd00SAtsushi Nemoto bool 10718420fd00SAtsushi Nemoto 1072d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1073d5ab1a69SYoichi Yuasa bool 1074d5ab1a69SYoichi Yuasa 107539b8d525SRalf Baechleconfig IRQ_GIC 1076237036deSPaul Burton select MIPS_CM 107739b8d525SRalf Baechle bool 107839b8d525SRalf Baechle 1079252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 10801da177e4SLinus Torvalds bool 10811da177e4SLinus Torvalds 10829267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 10839267a30dSMarc St-Jean bool 10849267a30dSMarc St-Jean 1085a83860c2SRalf Baechleconfig SOC_EMMA2RH 1086a83860c2SRalf Baechle bool 1087a83860c2SRalf Baechle select CEVT_R4K 1088a83860c2SRalf Baechle select CSRC_R4K 1089a83860c2SRalf Baechle select DMA_NONCOHERENT 1090a83860c2SRalf Baechle select IRQ_CPU 1091a83860c2SRalf Baechle select SWAP_IO_SPACE 1092a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1093a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1094a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1095a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1096a83860c2SRalf Baechle 1097edb6310aSDaniel Lairdconfig SOC_PNX833X 1098edb6310aSDaniel Laird bool 1099edb6310aSDaniel Laird select CEVT_R4K 1100edb6310aSDaniel Laird select CSRC_R4K 1101edb6310aSDaniel Laird select IRQ_CPU 1102edb6310aSDaniel Laird select DMA_NONCOHERENT 1103edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1104edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1105edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1106edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1107377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1108edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1109edb6310aSDaniel Laird 1110edb6310aSDaniel Lairdconfig SOC_PNX8335 1111edb6310aSDaniel Laird bool 1112edb6310aSDaniel Laird select SOC_PNX833X 1113edb6310aSDaniel Laird 11141da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 11151da177e4SLinus Torvalds bool 11161da177e4SLinus Torvalds 1117e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1118e2defae5SThomas Bogendoerfer bool 1119e2defae5SThomas Bogendoerfer 11205b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 11215b438c44SThomas Bogendoerfer bool 11225b438c44SThomas Bogendoerfer 1123e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1124e2defae5SThomas Bogendoerfer bool 1125e2defae5SThomas Bogendoerfer 1126e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1127e2defae5SThomas Bogendoerfer bool 1128e2defae5SThomas Bogendoerfer 1129e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1130e2defae5SThomas Bogendoerfer bool 1131e2defae5SThomas Bogendoerfer 1132e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1133e2defae5SThomas Bogendoerfer bool 1134e2defae5SThomas Bogendoerfer 1135e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1136e2defae5SThomas Bogendoerfer bool 1137e2defae5SThomas Bogendoerfer 11380e2794b0SRalf Baechleconfig FW_ARC32 11395e83d430SRalf Baechle bool 11405e83d430SRalf Baechle 1141aaa9fad3SPaul Bolleconfig FW_SNIPROM 1142231a35d3SThomas Bogendoerfer bool 1143231a35d3SThomas Bogendoerfer 11441da177e4SLinus Torvaldsconfig BOOT_ELF32 11451da177e4SLinus Torvalds bool 11461da177e4SLinus Torvalds 1147930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1148930beb5aSFlorian Fainelli bool 1149930beb5aSFlorian Fainelli 1150930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1151930beb5aSFlorian Fainelli bool 1152930beb5aSFlorian Fainelli 1153930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1154930beb5aSFlorian Fainelli bool 1155930beb5aSFlorian Fainelli 1156930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1157930beb5aSFlorian Fainelli bool 1158930beb5aSFlorian Fainelli 11591da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 11601da177e4SLinus Torvalds int 1161a4c0201eSFlorian Fainelli default "4" if MIPS_L1_CACHE_SHIFT_4 1162a4c0201eSFlorian Fainelli default "5" if MIPS_L1_CACHE_SHIFT_5 1163a4c0201eSFlorian Fainelli default "6" if MIPS_L1_CACHE_SHIFT_6 1164a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 11651da177e4SLinus Torvalds default "5" 11661da177e4SLinus Torvalds 11671da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 11681da177e4SLinus Torvalds bool 11691da177e4SLinus Torvalds 11701da177e4SLinus Torvaldsconfig ARC_CONSOLE 11711da177e4SLinus Torvalds bool "ARC console support" 1172e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 11731da177e4SLinus Torvalds 11741da177e4SLinus Torvaldsconfig ARC_MEMORY 11751da177e4SLinus Torvalds bool 117614b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 11771da177e4SLinus Torvalds default y 11781da177e4SLinus Torvalds 11791da177e4SLinus Torvaldsconfig ARC_PROMLIB 11801da177e4SLinus Torvalds bool 1181e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 11821da177e4SLinus Torvalds default y 11831da177e4SLinus Torvalds 11840e2794b0SRalf Baechleconfig FW_ARC64 11851da177e4SLinus Torvalds bool 11861da177e4SLinus Torvalds 11871da177e4SLinus Torvaldsconfig BOOT_ELF64 11881da177e4SLinus Torvalds bool 11891da177e4SLinus Torvalds 11901da177e4SLinus Torvaldsmenu "CPU selection" 11911da177e4SLinus Torvalds 11921da177e4SLinus Torvaldschoice 11931da177e4SLinus Torvalds prompt "CPU type" 11941da177e4SLinus Torvalds default CPU_R4X00 11951da177e4SLinus Torvalds 11960e476d91SHuacai Chenconfig CPU_LOONGSON3 11970e476d91SHuacai Chen bool "Loongson 3 CPU" 11980e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 11990e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 12000e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 12010e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 12020e476d91SHuacai Chen select WEAK_ORDERING 12030e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 12040e476d91SHuacai Chen help 12050e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 12060e476d91SHuacai Chen set with many extensions. 12070e476d91SHuacai Chen 12083702bba5SWu Zhangjinconfig CPU_LOONGSON2E 12093702bba5SWu Zhangjin bool "Loongson 2E" 12103702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 12113702bba5SWu Zhangjin select CPU_LOONGSON2 12122a21c730SFuxin Zhang help 12132a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 12142a21c730SFuxin Zhang with many extensions. 12152a21c730SFuxin Zhang 121625985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 12176f7a251aSWu Zhangjin bonito64. 12186f7a251aSWu Zhangjin 12196f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 12206f7a251aSWu Zhangjin bool "Loongson 2F" 12216f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 12226f7a251aSWu Zhangjin select CPU_LOONGSON2 1223c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 12246f7a251aSWu Zhangjin help 12256f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 12266f7a251aSWu Zhangjin with many extensions. 12276f7a251aSWu Zhangjin 12286f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 12296f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 12306f7a251aSWu Zhangjin Loongson2E. 12316f7a251aSWu Zhangjin 1232ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1233ca585cf9SKelvin Cheung bool "Loongson 1B" 1234ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1235ca585cf9SKelvin Cheung select CPU_LOONGSON1 1236ca585cf9SKelvin Cheung help 1237ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1238ca585cf9SKelvin Cheung release 2 instruction set. 1239ca585cf9SKelvin Cheung 12406e760c8dSRalf Baechleconfig CPU_MIPS32_R1 12416e760c8dSRalf Baechle bool "MIPS32 Release 1" 12427cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 12436e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1244797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1245ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12466e760c8dSRalf Baechle help 12475e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 12481e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 12491e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 12501e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 12511e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 12521e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 12531e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 12541e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 12551e5f1caaSRalf Baechle performance. 12561e5f1caaSRalf Baechle 12571e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 12581e5f1caaSRalf Baechle bool "MIPS32 Release 2" 12597cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 12601e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1261797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1262ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1263a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 12642235a54dSSanjay Lal select HAVE_KVM 12651e5f1caaSRalf Baechle help 12665e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 12676e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 12686e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 12696e760c8dSRalf Baechle specific type of processor in your system, choose those that one 12706e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 12711da177e4SLinus Torvalds 12726e760c8dSRalf Baechleconfig CPU_MIPS64_R1 12736e760c8dSRalf Baechle bool "MIPS64 Release 1" 12747cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1275797798c1SRalf Baechle select CPU_HAS_PREFETCH 1276ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1277ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1278ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12799cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 12806e760c8dSRalf Baechle help 12816e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 12826e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 12836e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 12846e760c8dSRalf Baechle specific type of processor in your system, choose those that one 12856e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 12861e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 12871e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 12881e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 12891e5f1caaSRalf Baechle performance. 12901e5f1caaSRalf Baechle 12911e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 12921e5f1caaSRalf Baechle bool "MIPS64 Release 2" 12937cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1294797798c1SRalf Baechle select CPU_HAS_PREFETCH 12951e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 12961e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1297ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12989cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1299a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13001e5f1caaSRalf Baechle help 13011e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 13021e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13031e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13041e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13051e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13061da177e4SLinus Torvalds 13071da177e4SLinus Torvaldsconfig CPU_R3000 13081da177e4SLinus Torvalds bool "R3000" 13097cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1310f7062ddbSRalf Baechle select CPU_HAS_WB 1311ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1312797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13131da177e4SLinus Torvalds help 13141da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 13151da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 13161da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 13171da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 13181da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 13191da177e4SLinus Torvalds try to recompile with R3000. 13201da177e4SLinus Torvalds 13211da177e4SLinus Torvaldsconfig CPU_TX39XX 13221da177e4SLinus Torvalds bool "R39XX" 13237cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1324ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 13251da177e4SLinus Torvalds 13261da177e4SLinus Torvaldsconfig CPU_VR41XX 13271da177e4SLinus Torvalds bool "R41xx" 13287cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1329ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1330ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 13311da177e4SLinus Torvalds help 13325e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 13331da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 13341da177e4SLinus Torvalds kernel built with this option will not run on any other type of 13351da177e4SLinus Torvalds processor or vice versa. 13361da177e4SLinus Torvalds 13371da177e4SLinus Torvaldsconfig CPU_R4300 13381da177e4SLinus Torvalds bool "R4300" 13397cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1340ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1341ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 13421da177e4SLinus Torvalds help 13431da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 13441da177e4SLinus Torvalds 13451da177e4SLinus Torvaldsconfig CPU_R4X00 13461da177e4SLinus Torvalds bool "R4x00" 13477cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1348ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1349ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1350970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13511da177e4SLinus Torvalds help 13521da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 13531da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 13541da177e4SLinus Torvalds 13551da177e4SLinus Torvaldsconfig CPU_TX49XX 13561da177e4SLinus Torvalds bool "R49XX" 13577cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1358de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1359ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1360ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1361970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13621da177e4SLinus Torvalds 13631da177e4SLinus Torvaldsconfig CPU_R5000 13641da177e4SLinus Torvalds bool "R5000" 13657cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1366ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1367ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1368970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13691da177e4SLinus Torvalds help 13701da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 13711da177e4SLinus Torvalds 13721da177e4SLinus Torvaldsconfig CPU_R5432 13731da177e4SLinus Torvalds bool "R5432" 13747cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 13755e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 13765e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1377970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13781da177e4SLinus Torvalds 1379542c1020SShinya Kuribayashiconfig CPU_R5500 1380542c1020SShinya Kuribayashi bool "R5500" 1381542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1382542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1383542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 13849cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1385542c1020SShinya Kuribayashi help 1386542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1387542c1020SShinya Kuribayashi instruction set. 1388542c1020SShinya Kuribayashi 13891da177e4SLinus Torvaldsconfig CPU_R6000 13901da177e4SLinus Torvalds bool "R6000" 13917cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1392ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 13931da177e4SLinus Torvalds help 13941da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1395c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 13961da177e4SLinus Torvalds 13971da177e4SLinus Torvaldsconfig CPU_NEVADA 13981da177e4SLinus Torvalds bool "RM52xx" 13997cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1400ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1401ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1402970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14031da177e4SLinus Torvalds help 14041da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 14051da177e4SLinus Torvalds 14061da177e4SLinus Torvaldsconfig CPU_R8000 14071da177e4SLinus Torvalds bool "R8000" 14087cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 14095e83d430SRalf Baechle select CPU_HAS_PREFETCH 1410ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14111da177e4SLinus Torvalds help 14121da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 14131da177e4SLinus Torvalds uncommon and the support for them is incomplete. 14141da177e4SLinus Torvalds 14151da177e4SLinus Torvaldsconfig CPU_R10000 14161da177e4SLinus Torvalds bool "R10000" 14177cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 14185e83d430SRalf Baechle select CPU_HAS_PREFETCH 1419ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1420ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1421797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1422970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14231da177e4SLinus Torvalds help 14241da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 14251da177e4SLinus Torvalds 14261da177e4SLinus Torvaldsconfig CPU_RM7000 14271da177e4SLinus Torvalds bool "RM7000" 14287cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 14295e83d430SRalf Baechle select CPU_HAS_PREFETCH 1430ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1431ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1432797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1433970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14341da177e4SLinus Torvalds 14351da177e4SLinus Torvaldsconfig CPU_SB1 14361da177e4SLinus Torvalds bool "SB1" 14377cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1438ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1439ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1440797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1441970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14420004a9dfSRalf Baechle select WEAK_ORDERING 14431da177e4SLinus Torvalds 1444a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1445a86c7f72SDavid Daney bool "Cavium Octeon processor" 14465e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1447a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1448a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1449a86c7f72SDavid Daney select WEAK_ORDERING 1450a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 14519cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14529296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 1453930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1454a86c7f72SDavid Daney help 1455a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1456a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1457a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1458a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1459a86c7f72SDavid Daney 1460cd746249SJonas Gorskiconfig CPU_BMIPS 1461cd746249SJonas Gorski bool "Broadcom BMIPS" 1462cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1463cd746249SJonas Gorski select CPU_MIPS32 1464fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1465cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1466cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1467cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1468cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1469cd746249SJonas Gorski select DMA_NONCOHERENT 1470cd746249SJonas Gorski select IRQ_CPU 1471cd746249SJonas Gorski select SWAP_IO_SPACE 1472cd746249SJonas Gorski select WEAK_ORDERING 1473c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 147469aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1475c1c0c461SKevin Cernekee help 1476fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1477c1c0c461SKevin Cernekee 14787f058e85SJayachandran Cconfig CPU_XLR 14797f058e85SJayachandran C bool "Netlogic XLR SoC" 14807f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 14817f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 14827f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 14837f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1484970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14857f058e85SJayachandran C select WEAK_ORDERING 14867f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 14877f058e85SJayachandran C help 14887f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 14891c773ea4SJayachandran C 14901c773ea4SJayachandran Cconfig CPU_XLP 14911c773ea4SJayachandran C bool "Netlogic XLP SoC" 14921c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 14931c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 14941c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 14951c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 14961c773ea4SJayachandran C select WEAK_ORDERING 14971c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 14981c773ea4SJayachandran C select CPU_HAS_PREFETCH 1499d6504846SJayachandran C select CPU_MIPSR2 15001c773ea4SJayachandran C help 15011c773ea4SJayachandran C Netlogic Microsystems XLP processors. 15021da177e4SLinus Torvaldsendchoice 15031da177e4SLinus Torvalds 1504a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1505a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1506a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1507a6e18781SLeonid Yegoshin depends on CPU_MIPS32_R2 1508a6e18781SLeonid Yegoshin help 1509a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1510a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1511a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1512a6e18781SLeonid Yegoshin 1513a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1514a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1515a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1516a6e18781SLeonid Yegoshin select EVA 1517a6e18781SLeonid Yegoshin default y 1518a6e18781SLeonid Yegoshin help 1519a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1520a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1521a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1522a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1523a6e18781SLeonid Yegoshin 1524622844bfSWu Zhangjinif CPU_LOONGSON2F 1525622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1526622844bfSWu Zhangjin bool 1527622844bfSWu Zhangjin 1528622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1529622844bfSWu Zhangjin bool 1530622844bfSWu Zhangjin 1531622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1532622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1533622844bfSWu Zhangjin default y 1534622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1535622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1536622844bfSWu Zhangjin help 1537622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1538622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1539622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1540622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1541622844bfSWu Zhangjin 1542622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1543622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1544622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1545622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1546622844bfSWu Zhangjin systems. 1547622844bfSWu Zhangjin 1548622844bfSWu Zhangjin If unsure, please say Y. 1549622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1550622844bfSWu Zhangjin 15511b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 15521b93b3c3SWu Zhangjin bool 15531b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 15541b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 155531c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 15561b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1557fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 15584e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 15591b93b3c3SWu Zhangjin 15601b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 15611b93b3c3SWu Zhangjin bool 15621b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 15631b93b3c3SWu Zhangjin 15643702bba5SWu Zhangjinconfig CPU_LOONGSON2 15653702bba5SWu Zhangjin bool 15663702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 15673702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 15683702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1569970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15703702bba5SWu Zhangjin 1571ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1572ca585cf9SKelvin Cheung bool 1573ca585cf9SKelvin Cheung select CPU_MIPS32 1574ca585cf9SKelvin Cheung select CPU_MIPSR2 1575ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1576ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1577ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1578ca585cf9SKelvin Cheung 1579fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 158004fa8bf7SJonas Gorski select SMP_UP if SMP 15811bbb6c1bSKevin Cernekee bool 1582cd746249SJonas Gorski 1583cd746249SJonas Gorskiconfig CPU_BMIPS4350 1584cd746249SJonas Gorski bool 1585cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1586cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1587cd746249SJonas Gorski 1588cd746249SJonas Gorskiconfig CPU_BMIPS4380 1589cd746249SJonas Gorski bool 1590cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1591cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1592cd746249SJonas Gorski 1593cd746249SJonas Gorskiconfig CPU_BMIPS5000 1594cd746249SJonas Gorski bool 1595cd746249SJonas Gorski select MIPS_CPU_SCACHE 1596cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1597cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 15981bbb6c1bSKevin Cernekee 15990e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 16000e476d91SHuacai Chen bool 16010e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 16020e476d91SHuacai Chen 16033702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 16042a21c730SFuxin Zhang bool 16052a21c730SFuxin Zhang 16066f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 16076f7a251aSWu Zhangjin bool 160855045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 160955045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 161022f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 16116f7a251aSWu Zhangjin 1612ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1613ca585cf9SKelvin Cheung bool 1614ca585cf9SKelvin Cheung 16157cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 16167cf8053bSRalf Baechle bool 16177cf8053bSRalf Baechle 16187cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 16197cf8053bSRalf Baechle bool 16207cf8053bSRalf Baechle 1621a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1622a6e18781SLeonid Yegoshin bool 1623a6e18781SLeonid Yegoshin 16247cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 16257cf8053bSRalf Baechle bool 16267cf8053bSRalf Baechle 16277cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 16287cf8053bSRalf Baechle bool 16297cf8053bSRalf Baechle 16307cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 16317cf8053bSRalf Baechle bool 16327cf8053bSRalf Baechle 16337cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 16347cf8053bSRalf Baechle bool 16357cf8053bSRalf Baechle 16367cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 16377cf8053bSRalf Baechle bool 16387cf8053bSRalf Baechle 16397cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 16407cf8053bSRalf Baechle bool 16417cf8053bSRalf Baechle 16427cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 16437cf8053bSRalf Baechle bool 16447cf8053bSRalf Baechle 16457cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 16467cf8053bSRalf Baechle bool 16477cf8053bSRalf Baechle 16487cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 16497cf8053bSRalf Baechle bool 16507cf8053bSRalf Baechle 16517cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 16527cf8053bSRalf Baechle bool 16537cf8053bSRalf Baechle 1654542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1655542c1020SShinya Kuribayashi bool 1656542c1020SShinya Kuribayashi 16577cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 16587cf8053bSRalf Baechle bool 16597cf8053bSRalf Baechle 16607cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 16617cf8053bSRalf Baechle bool 16627cf8053bSRalf Baechle 16637cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 16647cf8053bSRalf Baechle bool 16657cf8053bSRalf Baechle 16667cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 16677cf8053bSRalf Baechle bool 16687cf8053bSRalf Baechle 16697cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 16707cf8053bSRalf Baechle bool 16717cf8053bSRalf Baechle 16727cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 16737cf8053bSRalf Baechle bool 16747cf8053bSRalf Baechle 16755e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 16765e683389SDavid Daney bool 16775e683389SDavid Daney 1678cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1679c1c0c461SKevin Cernekee bool 1680c1c0c461SKevin Cernekee 1681fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1682c1c0c461SKevin Cernekee bool 1683cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1684c1c0c461SKevin Cernekee 1685c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1686c1c0c461SKevin Cernekee bool 1687cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1688c1c0c461SKevin Cernekee 1689c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1690c1c0c461SKevin Cernekee bool 1691cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1692c1c0c461SKevin Cernekee 1693c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1694c1c0c461SKevin Cernekee bool 1695cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1696c1c0c461SKevin Cernekee 16977f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 16987f058e85SJayachandran C bool 16997f058e85SJayachandran C 17001c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 17011c773ea4SJayachandran C bool 17021c773ea4SJayachandran C 1703b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1704b6911bbaSPaul Burton depends on MIPS_MALTA 1705b6911bbaSPaul Burton depends on PCI 1706b6911bbaSPaul Burton bool 1707b6911bbaSPaul Burton default y 1708b6911bbaSPaul Burton 170917099b11SRalf Baechle# 171017099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 171117099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 171217099b11SRalf Baechle# 17130004a9dfSRalf Baechleconfig WEAK_ORDERING 17140004a9dfSRalf Baechle bool 171517099b11SRalf Baechle 171617099b11SRalf Baechle# 171717099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 171817099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 171917099b11SRalf Baechle# 172017099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 172117099b11SRalf Baechle bool 17225e83d430SRalf Baechleendmenu 17235e83d430SRalf Baechle 17245e83d430SRalf Baechle# 17255e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 17265e83d430SRalf Baechle# 17275e83d430SRalf Baechleconfig CPU_MIPS32 17285e83d430SRalf Baechle bool 17295e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 17305e83d430SRalf Baechle 17315e83d430SRalf Baechleconfig CPU_MIPS64 17325e83d430SRalf Baechle bool 17335e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 17345e83d430SRalf Baechle 17355e83d430SRalf Baechle# 1736c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 17375e83d430SRalf Baechle# 17385e83d430SRalf Baechleconfig CPU_MIPSR1 17395e83d430SRalf Baechle bool 17405e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 17415e83d430SRalf Baechle 17425e83d430SRalf Baechleconfig CPU_MIPSR2 17435e83d430SRalf Baechle bool 1744a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 17455e83d430SRalf Baechle 1746a6e18781SLeonid Yegoshinconfig EVA 1747a6e18781SLeonid Yegoshin bool 1748a6e18781SLeonid Yegoshin 17495e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 17505e83d430SRalf Baechle bool 17515e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 17525e83d430SRalf Baechle bool 17535e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 17545e83d430SRalf Baechle bool 17555e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 17565e83d430SRalf Baechle bool 175755045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 175855045ff5SWu Zhangjin bool 175955045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 176055045ff5SWu Zhangjin bool 17619cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 17629cffd154SDavid Daney bool 176322f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 176422f1fdfdSWu Zhangjin bool 176582622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 176682622284SDavid Daney bool 1767d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 17685e83d430SRalf Baechle 17698192c9eaSDavid Daney# 17708192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 17718192c9eaSDavid Daney# 17728192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 17738192c9eaSDavid Daney bool 1774f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 17758192c9eaSDavid Daney 17765e83d430SRalf Baechlemenu "Kernel type" 17775e83d430SRalf Baechle 17785e83d430SRalf Baechlechoice 17795e83d430SRalf Baechle prompt "Kernel code model" 17805e83d430SRalf Baechle help 17815e83d430SRalf Baechle You should only select this option if you have a workload that 17825e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 17835e83d430SRalf Baechle large memory. You will only be presented a single option in this 17845e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 17855e83d430SRalf Baechle 17865e83d430SRalf Baechleconfig 32BIT 17875e83d430SRalf Baechle bool "32-bit kernel" 17885e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 17895e83d430SRalf Baechle select TRAD_SIGNALS 17905e83d430SRalf Baechle help 17915e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 17925e83d430SRalf Baechleconfig 64BIT 17935e83d430SRalf Baechle bool "64-bit kernel" 17945e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 17955e83d430SRalf Baechle help 17965e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 17975e83d430SRalf Baechle 17985e83d430SRalf Baechleendchoice 17995e83d430SRalf Baechle 18002235a54dSSanjay Lalconfig KVM_GUEST 18012235a54dSSanjay Lal bool "KVM Guest Kernel" 1802f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 18032235a54dSSanjay Lal help 18042235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 18052235a54dSSanjay Lal 1806eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1807eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 18082235a54dSSanjay Lal depends on KVM_GUEST 1809eda3d33cSJames Hogan default 100 18102235a54dSSanjay Lal help 1811eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 1812eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 1813eda3d33cSJames Hogan timer frequency is specified directly. 18142235a54dSSanjay Lal 18151da177e4SLinus Torvaldschoice 18161da177e4SLinus Torvalds prompt "Kernel page size" 18171da177e4SLinus Torvalds default PAGE_SIZE_4KB 18181da177e4SLinus Torvalds 18191da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 18201da177e4SLinus Torvalds bool "4kB" 18210e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 18221da177e4SLinus Torvalds help 18231da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 18241da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 18251da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 18261da177e4SLinus Torvalds recommended for low memory systems. 18271da177e4SLinus Torvalds 18281da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 18291da177e4SLinus Torvalds bool "8kB" 18307d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 18311da177e4SLinus Torvalds help 18321da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 18331da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1834c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1835c52399beSRalf Baechle suitable Linux distribution to support this. 18361da177e4SLinus Torvalds 18371da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 18381da177e4SLinus Torvalds bool "16kB" 1839714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 18401da177e4SLinus Torvalds help 18411da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 18421da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1843714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1844714bfad6SRalf Baechle Linux distribution to support this. 18451da177e4SLinus Torvalds 1846c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1847c52399beSRalf Baechle bool "32kB" 1848c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1849c52399beSRalf Baechle help 1850c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1851c52399beSRalf Baechle the price of higher memory consumption. This option is available 1852c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1853c52399beSRalf Baechle distribution to support this. 1854c52399beSRalf Baechle 18551da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 18561da177e4SLinus Torvalds bool "64kB" 18577d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 18581da177e4SLinus Torvalds help 18591da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 18601da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 18611da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1862714bfad6SRalf Baechle writing this option is still high experimental. 18631da177e4SLinus Torvalds 18641da177e4SLinus Torvaldsendchoice 18651da177e4SLinus Torvalds 1866c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 1867c9bace7cSDavid Daney int "Maximum zone order" 1868e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1869e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1870e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1871e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1872e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1873e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1874c9bace7cSDavid Daney range 11 64 1875c9bace7cSDavid Daney default "11" 1876c9bace7cSDavid Daney help 1877c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 1878c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 1879c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 1880c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 1881c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 1882c9bace7cSDavid Daney increase this value. 1883c9bace7cSDavid Daney 1884c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 1885c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 1886c9bace7cSDavid Daney 1887c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 1888c9bace7cSDavid Daney when choosing a value for this option. 1889c9bace7cSDavid Daney 18900ab2b7d0SRaghu Gandhamconfig CEVT_GIC 18910ab2b7d0SRaghu Gandham bool "Use GIC global counter for clock events" 1892b633648cSRalf Baechle depends on IRQ_GIC && !MIPS_SEAD3 18930ab2b7d0SRaghu Gandham help 18940ab2b7d0SRaghu Gandham Use the GIC global counter for the clock events. The R4K clock 18950ab2b7d0SRaghu Gandham event driver is always present, so if the platform ends up not 18960ab2b7d0SRaghu Gandham detecting a GIC, it will fall back to the R4K timer for the 18970ab2b7d0SRaghu Gandham generation of clock events. 18980ab2b7d0SRaghu Gandham 18991da177e4SLinus Torvaldsconfig BOARD_SCACHE 19001da177e4SLinus Torvalds bool 19011da177e4SLinus Torvalds 19021da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 19031da177e4SLinus Torvalds bool 19041da177e4SLinus Torvalds select BOARD_SCACHE 19051da177e4SLinus Torvalds 19069318c51aSChris Dearman# 19079318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 19089318c51aSChris Dearman# 19099318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 19109318c51aSChris Dearman bool 19119318c51aSChris Dearman select BOARD_SCACHE 1912930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_6 19139318c51aSChris Dearman 19141da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 19151da177e4SLinus Torvalds bool 19161da177e4SLinus Torvalds select BOARD_SCACHE 19171da177e4SLinus Torvalds 19181da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 19191da177e4SLinus Torvalds bool 19201da177e4SLinus Torvalds select BOARD_SCACHE 19211da177e4SLinus Torvalds 19221da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 19231da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 19241da177e4SLinus Torvalds depends on CPU_SB1 19251da177e4SLinus Torvalds help 19261da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 19271da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 19281da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 19291da177e4SLinus Torvalds 19301da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1931c8094b53SRalf Baechle bool 19321da177e4SLinus Torvalds 19333165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 19343165c846SFlorian Fainelli bool 19353165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 19363165c846SFlorian Fainelli 193791405eb6SFlorian Fainelliconfig CPU_R4K_FPU 193891405eb6SFlorian Fainelli bool 193991405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 194091405eb6SFlorian Fainelli 194162cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 194262cedc4fSFlorian Fainelli bool 194362cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 194462cedc4fSFlorian Fainelli 194559d6ab86SRalf Baechleconfig MIPS_MT_SMP 1946a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 194759d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 194859d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1949d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1950c080faa5SSteven J. Hill select SYNC_R4K 19510c2cb004SPaul Burton select MIPS_GIC_IPI 195259d6ab86SRalf Baechle select MIPS_MT 195359d6ab86SRalf Baechle select SMP 195487353d8aSRalf Baechle select SMP_UP 1955c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 1956c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 1957399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 195859d6ab86SRalf Baechle help 1959c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 1960c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 1961c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 1962c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 1963c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 196459d6ab86SRalf Baechle 1965f41ae0b2SRalf Baechleconfig MIPS_MT 1966f41ae0b2SRalf Baechle bool 1967f41ae0b2SRalf Baechle 19680ab7aefcSRalf Baechleconfig SCHED_SMT 19690ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 19700ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 19710ab7aefcSRalf Baechle default n 19720ab7aefcSRalf Baechle help 19730ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 19740ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 19750ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 19760ab7aefcSRalf Baechle 19770ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 19780ab7aefcSRalf Baechle bool 19790ab7aefcSRalf Baechle 1980f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1981f41ae0b2SRalf Baechle bool 1982f41ae0b2SRalf Baechle 1983f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1984f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1985f088fc84SRalf Baechle default y 1986b633648cSRalf Baechle depends on MIPS_MT_SMP 198707cc0c9eSRalf Baechle 198807cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 198907cc0c9eSRalf Baechle bool "VPE loader support." 1990704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 199107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 199207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 199307cc0c9eSRalf Baechle select MIPS_MT 199407cc0c9eSRalf Baechle help 199507cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 199607cc0c9eSRalf Baechle onto another VPE and running it. 1997f088fc84SRalf Baechle 199817a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 199917a1d523SDeng-Cheng Zhu bool 200017a1d523SDeng-Cheng Zhu default "y" 200117a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 200217a1d523SDeng-Cheng Zhu 20031a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 20041a2a6d7eSDeng-Cheng Zhu bool 20051a2a6d7eSDeng-Cheng Zhu default "y" 20061a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 20071a2a6d7eSDeng-Cheng Zhu 2008e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2009e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2010e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2011e01402b1SRalf Baechle default y 2012e01402b1SRalf Baechle help 2013e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2014e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2015e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2016e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2017e01402b1SRalf Baechle 2018e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2019e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2020e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 20215e83d430SRalf Baechle help 2022e01402b1SRalf Baechle 2023da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2024da615cf6SDeng-Cheng Zhu bool 2025da615cf6SDeng-Cheng Zhu default "y" 2026da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2027da615cf6SDeng-Cheng Zhu 20282c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 20292c973ef0SDeng-Cheng Zhu bool 20302c973ef0SDeng-Cheng Zhu default "y" 20312c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 20322c973ef0SDeng-Cheng Zhu 20334a16ff4cSRalf Baechleconfig MIPS_CMP 20345cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 2035b633648cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 203672e20142SPaul Burton select MIPS_GIC_IPI 2037b10b43baSMarkos Chandras select SMP 2038eb9b5141STim Anderson select SYNC_R4K 2039b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 20404a16ff4cSRalf Baechle select WEAK_ORDERING 20414a16ff4cSRalf Baechle default n 20424a16ff4cSRalf Baechle help 2043044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2044044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2045044505c7SPaul Burton its ability to start secondary CPUs. 20464a16ff4cSRalf Baechle 20475cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 20485cac93b3SPaul Burton instead of this. 20495cac93b3SPaul Burton 20500ee958e1SPaul Burtonconfig MIPS_CPS 20510ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 20520ee958e1SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 20530ee958e1SPaul Burton select MIPS_CM 20540ee958e1SPaul Burton select MIPS_CPC 20551d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 20560ee958e1SPaul Burton select MIPS_GIC_IPI 20570ee958e1SPaul Burton select SMP 20580ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 20591d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 20600ee958e1SPaul Burton select SYS_SUPPORTS_SMP 20610ee958e1SPaul Burton select WEAK_ORDERING 20620ee958e1SPaul Burton help 20630ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 20640ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 20650ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 20660ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 20670ee958e1SPaul Burton support is unavailable. 20680ee958e1SPaul Burton 20693179d37eSPaul Burtonconfig MIPS_CPS_PM 207039a59593SMarkos Chandras depends on MIPS_CPS 2071a8b84677SPaul Burton select MIPS_CPC 20723179d37eSPaul Burton bool 20733179d37eSPaul Burton 207472e20142SPaul Burtonconfig MIPS_GIC_IPI 207572e20142SPaul Burton bool 207672e20142SPaul Burton 20779f98f3ddSPaul Burtonconfig MIPS_CM 20789f98f3ddSPaul Burton bool 20799f98f3ddSPaul Burton 20809c38cf44SPaul Burtonconfig MIPS_CPC 20819c38cf44SPaul Burton bool 20822600990eSRalf Baechle 20831da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 20841da177e4SLinus Torvalds bool 20851da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 20861da177e4SLinus Torvalds default y 20871da177e4SLinus Torvalds 20881da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 20891da177e4SLinus Torvalds bool 20901da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 20911da177e4SLinus Torvalds default y 20921da177e4SLinus Torvalds 20931da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 20941da177e4SLinus Torvalds bool 20951da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 20961da177e4SLinus Torvalds default y 20971da177e4SLinus Torvalds 20982235a54dSSanjay Lal 20991da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 2100d806cb2bSRalf Baechle bool 21011da177e4SLinus Torvalds 210260ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 210360ec6571Spascal@pabr.org def_bool 64BIT_PHYS_ADDR 210460ec6571Spascal@pabr.org 21059693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 21069693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 21079693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 21089693a853SFranck Bui-Huu help 21099693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 21109693a853SFranck Bui-Huu increased security at both hardware and software level for 21119693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 21129693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 21139693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 21149693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 21159693a853SFranck Bui-Huu here. 21169693a853SFranck Bui-Huu 2117bce86083SSteven J. Hillconfig CPU_MICROMIPS 2118bce86083SSteven J. Hill depends on SYS_SUPPORTS_MICROMIPS 2119bce86083SSteven J. Hill bool "Build kernel using microMIPS ISA" 2120bce86083SSteven J. Hill help 2121bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2122bce86083SSteven J. Hill microMIPS ISA 2123bce86083SSteven J. Hill 2124a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 21254af94d5dSPaul Burton bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" 2126a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 21272a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2128a5e9a69eSPaul Burton help 2129a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2130a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 21311db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 21321db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 21331db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 21341db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 21351db1af84SPaul Burton the size & complexity of your kernel. 2136a5e9a69eSPaul Burton 2137a5e9a69eSPaul Burton If unsure, say Y. 2138a5e9a69eSPaul Burton 21391da177e4SLinus Torvaldsconfig CPU_HAS_WB 2140f7062ddbSRalf Baechle bool 2141e01402b1SRalf Baechle 2142df0ac8a4SKevin Cernekeeconfig XKS01 2143df0ac8a4SKevin Cernekee bool 2144df0ac8a4SKevin Cernekee 2145f41ae0b2SRalf Baechle# 2146f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2147f41ae0b2SRalf Baechle# 2148e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2149f41ae0b2SRalf Baechle bool 2150e01402b1SRalf Baechle 2151f41ae0b2SRalf Baechle# 2152f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2153f41ae0b2SRalf Baechle# 2154e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2155f41ae0b2SRalf Baechle bool 2156e01402b1SRalf Baechle 21571da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 21581da177e4SLinus Torvalds bool 21591da177e4SLinus Torvalds depends on !CPU_R3000 21601da177e4SLinus Torvalds default y 21611da177e4SLinus Torvalds 21621da177e4SLinus Torvalds# 216320d60d99SMaciej W. Rozycki# CPU non-features 216420d60d99SMaciej W. Rozycki# 216520d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 216620d60d99SMaciej W. Rozycki bool 216720d60d99SMaciej W. Rozycki 216820d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 216920d60d99SMaciej W. Rozycki bool 217020d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 217120d60d99SMaciej W. Rozycki 217220d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 217320d60d99SMaciej W. Rozycki bool 217420d60d99SMaciej W. Rozycki 217520d60d99SMaciej W. Rozycki# 21761da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 21771da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 21781da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 21791da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 21801da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 21811da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 21821da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 21831da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2184797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2185797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2186797798c1SRalf Baechle# support. 21871da177e4SLinus Torvalds# 21881da177e4SLinus Torvaldsconfig HIGHMEM 21891da177e4SLinus Torvalds bool "High Memory Support" 2190a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2191797798c1SRalf Baechle 2192797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2193797798c1SRalf Baechle bool 2194797798c1SRalf Baechle 2195797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2196797798c1SRalf Baechle bool 21971da177e4SLinus Torvalds 21989693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 21999693a853SFranck Bui-Huu bool 22009693a853SFranck Bui-Huu 2201a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2202a6a4834cSSteven J. Hill bool 2203a6a4834cSSteven J. Hill 2204377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2205377cb1b6SRalf Baechle bool 2206377cb1b6SRalf Baechle help 2207377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2208377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2209377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2210377cb1b6SRalf Baechle 2211a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2212a5e9a69eSPaul Burton bool 2213a5e9a69eSPaul Burton 2214b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2215b4819b59SYoichi Yuasa def_bool y 2216f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2217b4819b59SYoichi Yuasa 2218d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2219d8cb4e11SRalf Baechle bool 2220d8cb4e11SRalf Baechle default y if SGI_IP27 2221d8cb4e11SRalf Baechle help 22223dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2223d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2224d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2225d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2226d8cb4e11SRalf Baechle 2227b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2228b1c6cd42SAtsushi Nemoto bool 22297de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 223031473747SAtsushi Nemoto 2231d8cb4e11SRalf Baechleconfig NUMA 2232d8cb4e11SRalf Baechle bool "NUMA Support" 2233d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2234d8cb4e11SRalf Baechle help 2235d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2236d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2237d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2238d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2239d8cb4e11SRalf Baechle disabled. 2240d8cb4e11SRalf Baechle 2241d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2242d8cb4e11SRalf Baechle bool 2243d8cb4e11SRalf Baechle 2244c80d79d7SYasunori Gotoconfig NODES_SHIFT 2245c80d79d7SYasunori Goto int 2246c80d79d7SYasunori Goto default "6" 2247c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2248c80d79d7SYasunori Goto 224914f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 225014f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2251b633648cSRalf Baechle depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) 225214f70012SDeng-Cheng Zhu default y 225314f70012SDeng-Cheng Zhu help 225414f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 225514f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 225614f70012SDeng-Cheng Zhu 2257b4819b59SYoichi Yuasasource "mm/Kconfig" 2258b4819b59SYoichi Yuasa 22591da177e4SLinus Torvaldsconfig SMP 22601da177e4SLinus Torvalds bool "Multi-Processing support" 2261e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2262e73ea273SRalf Baechle help 22631da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 22644a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 22654a474157SRobert Graffham than one CPU, say Y. 22661da177e4SLinus Torvalds 22674a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 22681da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 22691da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 22704a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 22711da177e4SLinus Torvalds will run faster if you say N here. 22721da177e4SLinus Torvalds 22731da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 22741da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 22751da177e4SLinus Torvalds 227603502faaSAdrian Bunk See also the SMP-HOWTO available at 227703502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 22781da177e4SLinus Torvalds 22791da177e4SLinus Torvalds If you don't know what to do here, say N. 22801da177e4SLinus Torvalds 228187353d8aSRalf Baechleconfig SMP_UP 228287353d8aSRalf Baechle bool 228387353d8aSRalf Baechle 22844a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 22854a16ff4cSRalf Baechle bool 22864a16ff4cSRalf Baechle 22870ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 22880ee958e1SPaul Burton bool 22890ee958e1SPaul Burton 2290e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2291e73ea273SRalf Baechle bool 2292e73ea273SRalf Baechle 2293130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2294130e2fb7SRalf Baechle bool 2295130e2fb7SRalf Baechle 2296130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2297130e2fb7SRalf Baechle bool 2298130e2fb7SRalf Baechle 2299130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2300130e2fb7SRalf Baechle bool 2301130e2fb7SRalf Baechle 2302130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2303130e2fb7SRalf Baechle bool 2304130e2fb7SRalf Baechle 2305130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2306130e2fb7SRalf Baechle bool 2307130e2fb7SRalf Baechle 23081da177e4SLinus Torvaldsconfig NR_CPUS 2309a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2310a91796a9SJayachandran C range 2 256 23111da177e4SLinus Torvalds depends on SMP 2312130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2313130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2314130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2315130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2316130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 23171da177e4SLinus Torvalds help 23181da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 23191da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 23201da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 232172ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 232272ede9b1SAtsushi Nemoto and 2 for all others. 23231da177e4SLinus Torvalds 23241da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 232572ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 232672ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 232772ede9b1SAtsushi Nemoto power of two. 23281da177e4SLinus Torvalds 2329399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2330399aaa25SAl Cooper bool 2331399aaa25SAl Cooper 23321723b4a3SAtsushi Nemoto# 23331723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 23341723b4a3SAtsushi Nemoto# 23351723b4a3SAtsushi Nemoto 23361723b4a3SAtsushi Nemotochoice 23371723b4a3SAtsushi Nemoto prompt "Timer frequency" 23381723b4a3SAtsushi Nemoto default HZ_250 23391723b4a3SAtsushi Nemoto help 23401723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 23411723b4a3SAtsushi Nemoto 23421723b4a3SAtsushi Nemoto config HZ_48 23430f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 23441723b4a3SAtsushi Nemoto 23451723b4a3SAtsushi Nemoto config HZ_100 23461723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 23471723b4a3SAtsushi Nemoto 23481723b4a3SAtsushi Nemoto config HZ_128 23491723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 23501723b4a3SAtsushi Nemoto 23511723b4a3SAtsushi Nemoto config HZ_250 23521723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 23531723b4a3SAtsushi Nemoto 23541723b4a3SAtsushi Nemoto config HZ_256 23551723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 23561723b4a3SAtsushi Nemoto 23571723b4a3SAtsushi Nemoto config HZ_1000 23581723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 23591723b4a3SAtsushi Nemoto 23601723b4a3SAtsushi Nemoto config HZ_1024 23611723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 23621723b4a3SAtsushi Nemoto 23631723b4a3SAtsushi Nemotoendchoice 23641723b4a3SAtsushi Nemoto 23651723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 23661723b4a3SAtsushi Nemoto bool 23671723b4a3SAtsushi Nemoto 23681723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 23691723b4a3SAtsushi Nemoto bool 23701723b4a3SAtsushi Nemoto 23711723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 23721723b4a3SAtsushi Nemoto bool 23731723b4a3SAtsushi Nemoto 23741723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 23751723b4a3SAtsushi Nemoto bool 23761723b4a3SAtsushi Nemoto 23771723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 23781723b4a3SAtsushi Nemoto bool 23791723b4a3SAtsushi Nemoto 23801723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 23811723b4a3SAtsushi Nemoto bool 23821723b4a3SAtsushi Nemoto 23831723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 23841723b4a3SAtsushi Nemoto bool 23851723b4a3SAtsushi Nemoto 23861723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 23871723b4a3SAtsushi Nemoto bool 23881723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 23891723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 23901723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 23911723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 23921723b4a3SAtsushi Nemoto 23931723b4a3SAtsushi Nemotoconfig HZ 23941723b4a3SAtsushi Nemoto int 23951723b4a3SAtsushi Nemoto default 48 if HZ_48 23961723b4a3SAtsushi Nemoto default 100 if HZ_100 23971723b4a3SAtsushi Nemoto default 128 if HZ_128 23981723b4a3SAtsushi Nemoto default 250 if HZ_250 23991723b4a3SAtsushi Nemoto default 256 if HZ_256 24001723b4a3SAtsushi Nemoto default 1000 if HZ_1000 24011723b4a3SAtsushi Nemoto default 1024 if HZ_1024 24021723b4a3SAtsushi Nemoto 2403e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 24041da177e4SLinus Torvalds 2405ea6e942bSAtsushi Nemotoconfig KEXEC 24067d60717eSKees Cook bool "Kexec system call" 2407ea6e942bSAtsushi Nemoto help 2408ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2409ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 24103dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2411ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2412ea6e942bSAtsushi Nemoto 241301dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2414ea6e942bSAtsushi Nemoto 2415ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2416ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2417bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2418bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2419bf220695SGeert Uytterhoeven made. 2420ea6e942bSAtsushi Nemoto 24217aa1c8f4SRalf Baechleconfig CRASH_DUMP 24227aa1c8f4SRalf Baechle bool "Kernel crash dumps" 24237aa1c8f4SRalf Baechle help 24247aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 24257aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 24267aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 24277aa1c8f4SRalf Baechle a specially reserved region and then later executed after 24287aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 24297aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 24307aa1c8f4SRalf Baechle PHYSICAL_START. 24317aa1c8f4SRalf Baechle 24327aa1c8f4SRalf Baechleconfig PHYSICAL_START 24337aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 24347aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 24357aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 24367aa1c8f4SRalf Baechle depends on CRASH_DUMP 24377aa1c8f4SRalf Baechle help 24387aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 24397aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 24407aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 24417aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 24427aa1c8f4SRalf Baechle passed to the panic-ed kernel). 24437aa1c8f4SRalf Baechle 2444ea6e942bSAtsushi Nemotoconfig SECCOMP 2445ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2446293c5bd1SRalf Baechle depends on PROC_FS 2447ea6e942bSAtsushi Nemoto default y 2448ea6e942bSAtsushi Nemoto help 2449ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2450ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2451ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2452ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2453ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2454ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2455ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2456ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2457ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2458ea6e942bSAtsushi Nemoto 2459ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2460ea6e942bSAtsushi Nemoto 2461597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 246206e2e882SPaul Burton bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" 2463597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2464597ce172SPaul Burton help 2465597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2466597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2467597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2468597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2469597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2470597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2471597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2472597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2473597ce172SPaul Burton saying N here. 2474597ce172SPaul Burton 247506e2e882SPaul Burton Although binutils currently supports use of this flag the details 247606e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 247706e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 247806e2e882SPaul Burton behaviour before the details have been finalised, this option should 247906e2e882SPaul Burton be considered experimental and only enabled by those working upon 248006e2e882SPaul Burton said details. 248106e2e882SPaul Burton 248206e2e882SPaul Burton If unsure, say N. 2483597ce172SPaul Burton 2484f2ffa5abSDezhong Diaoconfig USE_OF 24850b3e06fdSJonas Gorski bool 2486f2ffa5abSDezhong Diao select OF 2487e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2488abd2363fSGrant Likely select IRQ_DOMAIN 2489f2ffa5abSDezhong Diao 24907fafb068SAndrew Brestickerconfig BUILTIN_DTB 24917fafb068SAndrew Bresticker bool 24927fafb068SAndrew Bresticker 24935e83d430SRalf Baechleendmenu 24945e83d430SRalf Baechle 24951df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 24961df0f0ffSAtsushi Nemoto bool 24971df0f0ffSAtsushi Nemoto default y 24981df0f0ffSAtsushi Nemoto 24991df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 25001df0f0ffSAtsushi Nemoto bool 25011df0f0ffSAtsushi Nemoto default y 25021df0f0ffSAtsushi Nemoto 2503b6c3539bSRalf Baechlesource "init/Kconfig" 2504b6c3539bSRalf Baechle 2505dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2506dc52ddc0SMatt Helsley 25071da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 25081da177e4SLinus Torvalds 25095e83d430SRalf Baechleconfig HW_HAS_EISA 25105e83d430SRalf Baechle bool 25111da177e4SLinus Torvaldsconfig HW_HAS_PCI 25121da177e4SLinus Torvalds bool 25131da177e4SLinus Torvalds 25141da177e4SLinus Torvaldsconfig PCI 25151da177e4SLinus Torvalds bool "Support for PCI controller" 25161da177e4SLinus Torvalds depends on HW_HAS_PCI 2517abb4ae46SRalf Baechle select PCI_DOMAINS 25180f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 25191da177e4SLinus Torvalds help 25201da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 25211da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 25221da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 25231da177e4SLinus Torvalds say Y, otherwise N. 25241da177e4SLinus Torvalds 25250e476d91SHuacai Chenconfig HT_PCI 25260e476d91SHuacai Chen bool "Support for HT-linked PCI" 25270e476d91SHuacai Chen default y 25280e476d91SHuacai Chen depends on CPU_LOONGSON3 25290e476d91SHuacai Chen select PCI 25300e476d91SHuacai Chen select PCI_DOMAINS 25310e476d91SHuacai Chen help 25320e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 25330e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 25340e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 25350e476d91SHuacai Chen 25361da177e4SLinus Torvaldsconfig PCI_DOMAINS 25371da177e4SLinus Torvalds bool 25381da177e4SLinus Torvalds 25391da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 25401da177e4SLinus Torvalds 25413f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 25423f787ca4SJonas Gorski 25431da177e4SLinus Torvalds# 25441da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 25451da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 25461da177e4SLinus Torvalds# users to choose the right thing ... 25471da177e4SLinus Torvalds# 25481da177e4SLinus Torvaldsconfig ISA 25491da177e4SLinus Torvalds bool 25501da177e4SLinus Torvalds 25511da177e4SLinus Torvaldsconfig EISA 25521da177e4SLinus Torvalds bool "EISA support" 25535e83d430SRalf Baechle depends on HW_HAS_EISA 25541da177e4SLinus Torvalds select ISA 2555aa414dffSRalf Baechle select GENERIC_ISA_DMA 25561da177e4SLinus Torvalds ---help--- 25571da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 25581da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 25591da177e4SLinus Torvalds 25601da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 25611da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 25621da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 25631da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 25641da177e4SLinus Torvalds 25651da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 25661da177e4SLinus Torvalds 25671da177e4SLinus Torvalds Otherwise, say N. 25681da177e4SLinus Torvalds 25691da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 25701da177e4SLinus Torvalds 25711da177e4SLinus Torvaldsconfig TC 25721da177e4SLinus Torvalds bool "TURBOchannel support" 25731da177e4SLinus Torvalds depends on MACH_DECSTATION 25741da177e4SLinus Torvalds help 257550a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 257650a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 257750a23e6eSJustin P. Mattock at: 257850a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 257950a23e6eSJustin P. Mattock and: 258050a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 258150a23e6eSJustin P. Mattock Linux driver support status is documented at: 258250a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 25831da177e4SLinus Torvalds 25841da177e4SLinus Torvaldsconfig MMU 25851da177e4SLinus Torvalds bool 25861da177e4SLinus Torvalds default y 25871da177e4SLinus Torvalds 2588d865bea4SRalf Baechleconfig I8253 2589d865bea4SRalf Baechle bool 2590798778b8SRussell King select CLKSRC_I8253 25912d02612fSThomas Gleixner select CLKEVT_I8253 25929726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2593d865bea4SRalf Baechle 2594e05eb3f8SRalf Baechleconfig ZONE_DMA 2595e05eb3f8SRalf Baechle bool 2596e05eb3f8SRalf Baechle 2597cce335aeSRalf Baechleconfig ZONE_DMA32 2598cce335aeSRalf Baechle bool 2599cce335aeSRalf Baechle 26001da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 26011da177e4SLinus Torvalds 26021da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 26031da177e4SLinus Torvalds 2604388b78adSAlexandre Bounineconfig RAPIDIO 260556abde72SAlexandre Bounine tristate "RapidIO support" 2606388b78adSAlexandre Bounine depends on PCI 2607388b78adSAlexandre Bounine default n 2608388b78adSAlexandre Bounine help 2609388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2610388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2611388b78adSAlexandre Bounine 2612388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2613388b78adSAlexandre Bounine 26141da177e4SLinus Torvaldsendmenu 26151da177e4SLinus Torvalds 26161da177e4SLinus Torvaldsmenu "Executable file formats" 26171da177e4SLinus Torvalds 26181da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 26191da177e4SLinus Torvalds 26201da177e4SLinus Torvaldsconfig TRAD_SIGNALS 26211da177e4SLinus Torvalds bool 26221da177e4SLinus Torvalds 26231da177e4SLinus Torvaldsconfig MIPS32_COMPAT 26241da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2625875d43e7SRalf Baechle depends on 64BIT 26261da177e4SLinus Torvalds help 26271da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 26281da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 26291da177e4SLinus Torvalds currently 32-bit you should say Y here. 26301da177e4SLinus Torvalds 26311da177e4SLinus Torvaldsconfig COMPAT 26321da177e4SLinus Torvalds bool 26331da177e4SLinus Torvalds depends on MIPS32_COMPAT 263448b25c43SChris Metcalf select ARCH_WANT_OLD_COMPAT_IPC 26351da177e4SLinus Torvalds default y 26361da177e4SLinus Torvalds 263705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 263805e43966SAtsushi Nemoto bool 263905e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 264005e43966SAtsushi Nemoto default y 264105e43966SAtsushi Nemoto 26421da177e4SLinus Torvaldsconfig MIPS32_O32 26431da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 26441da177e4SLinus Torvalds depends on MIPS32_COMPAT 26451da177e4SLinus Torvalds help 26461da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 26471da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 26481da177e4SLinus Torvalds existing binaries are in this format. 26491da177e4SLinus Torvalds 26501da177e4SLinus Torvalds If unsure, say Y. 26511da177e4SLinus Torvalds 26521da177e4SLinus Torvaldsconfig MIPS32_N32 26531da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 26541da177e4SLinus Torvalds depends on MIPS32_COMPAT 26551da177e4SLinus Torvalds help 26561da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 26571da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 26581da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 26591da177e4SLinus Torvalds cases. 26601da177e4SLinus Torvalds 26611da177e4SLinus Torvalds If unsure, say N. 26621da177e4SLinus Torvalds 26631da177e4SLinus Torvaldsconfig BINFMT_ELF32 26641da177e4SLinus Torvalds bool 26651da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 26661da177e4SLinus Torvalds 26672116245eSRalf Baechleendmenu 26681da177e4SLinus Torvalds 26692116245eSRalf Baechlemenu "Power management options" 2670952fa954SRodolfo Giometti 2671363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2672363c55caSWu Zhangjin def_bool y 26733f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2674363c55caSWu Zhangjin 2675f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2676f4cb5700SJohannes Berg def_bool y 26773f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2678f4cb5700SJohannes Berg 26792116245eSRalf Baechlesource "kernel/power/Kconfig" 2680952fa954SRodolfo Giometti 26811da177e4SLinus Torvaldsendmenu 26821da177e4SLinus Torvalds 26837a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 26847a998935SViresh Kumar bool 26857a998935SViresh Kumar 26867a998935SViresh Kumarmenu "CPU Power Management" 2687c095ebafSPaul Burton 2688c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 26897a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 26907a998935SViresh Kumarendif 26919726b43aSWu Zhangjin 2692c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2693c095ebafSPaul Burton 2694c095ebafSPaul Burtonendmenu 2695c095ebafSPaul Burton 2696d5950b43SSam Ravnborgsource "net/Kconfig" 2697d5950b43SSam Ravnborg 26981da177e4SLinus Torvaldssource "drivers/Kconfig" 26991da177e4SLinus Torvalds 270098cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 270198cdee0eSRalf Baechle 27021da177e4SLinus Torvaldssource "fs/Kconfig" 27031da177e4SLinus Torvalds 27041da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 27051da177e4SLinus Torvalds 27061da177e4SLinus Torvaldssource "security/Kconfig" 27071da177e4SLinus Torvalds 27081da177e4SLinus Torvaldssource "crypto/Kconfig" 27091da177e4SLinus Torvalds 27101da177e4SLinus Torvaldssource "lib/Kconfig" 27112235a54dSSanjay Lal 27122235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2713