11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 5393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 6c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 7f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 8ec7748b5SSam Ravnborg select HAVE_IDE 942d4b839SMathieu Desnoyers select HAVE_OPROFILE 107f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 117f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1288547001SJason Wessel select HAVE_ARCH_KGDB 13490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 14c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 153f5fdb4bSMarkos Chandras select HAVE_BPF_JIT if !CPU_MICROMIPS 167563bbf8SMark Brown select ARCH_HAVE_CUSTOM_GPIO_H 17d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 18538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 19538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2064575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2129c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 22c1bf207dSDavid Daney select HAVE_KPROBES 23c1bf207dSDavid Daney select HAVE_KRETPROBES 24b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 251d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 26e26d196cSDavid Daney select ARCH_BINFMT_ELF_RANDOMIZE_PIE 27383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 2821a41faaSWu Zhangjin select RTC_LIB if !MACH_LOONGSON 292b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 307463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 3148e1fd5aSDavid Daney select HAVE_DMA_ATTRS 32f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3348e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 343bd27e32SDavid Daney select GENERIC_IRQ_PROBE 35f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 3678857614SMarkos Chandras select GENERIC_PCI_IOMAP 3794bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 38c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 390f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 409d15ffc8STejun Heo select HAVE_MEMBLOCK 419d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 429d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 43360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 444b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 45cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 46cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 47786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 484febd95aSStephen Rothwell select VIRT_TO_BUS 492f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 502f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5150150d2bSAl Viro select CLONE_BACKWARDS 52d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5319952a92SKees Cook select HAVE_CC_STACKPROTECTOR 54b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 55cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 5690cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 57d79d853dSMarkos Chandras select SYSCTL_EXCEPTION_TRACE 581da177e4SLinus Torvalds 591da177e4SLinus Torvaldsmenu "Machine selection" 601da177e4SLinus Torvalds 615e83d430SRalf Baechlechoice 625e83d430SRalf Baechle prompt "System type" 635e83d430SRalf Baechle default SGI_IP22 641da177e4SLinus Torvalds 6542a4f17dSManuel Laussconfig MIPS_ALCHEMY 66c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 6734adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 68f772cdb2SRalf Baechle select CEVT_R4K 69d7ea335cSSteven J. Hill select CSRC_R4K 7042a4f17dSManuel Lauss select IRQ_CPU 7188e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 7242a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 7342a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 7442a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 75efb12436SAlexandre Courbot select ARCH_REQUIRE_GPIOLIB 761b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 7747440229SManuel Lauss select COMMON_CLK 781da177e4SLinus Torvalds 797ca5dc14SFlorian Fainelliconfig AR7 807ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 817ca5dc14SFlorian Fainelli select BOOT_ELF32 827ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 837ca5dc14SFlorian Fainelli select CEVT_R4K 847ca5dc14SFlorian Fainelli select CSRC_R4K 857ca5dc14SFlorian Fainelli select IRQ_CPU 867ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 877ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 887ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 897ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 907ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 917ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 92377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 931b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 945f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 957ca5dc14SFlorian Fainelli select VLYNQ 968551fb64SYoichi Yuasa select HAVE_CLK 977ca5dc14SFlorian Fainelli help 987ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 997ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1007ca5dc14SFlorian Fainelli 10143cc739fSSergey Ryazanovconfig ATH25 10243cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 10343cc739fSSergey Ryazanov select CEVT_R4K 10443cc739fSSergey Ryazanov select CSRC_R4K 10543cc739fSSergey Ryazanov select DMA_NONCOHERENT 10643cc739fSSergey Ryazanov select IRQ_CPU 1071753e74eSSergey Ryazanov select IRQ_DOMAIN 10843cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 10943cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 11043cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1118aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 11243cc739fSSergey Ryazanov help 11343cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 11443cc739fSSergey Ryazanov 115d4a67d9dSGabor Juhosconfig ATH79 116d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 1176eae43c5SGabor Juhos select ARCH_REQUIRE_GPIOLIB 118d4a67d9dSGabor Juhos select BOOT_RAW 119d4a67d9dSGabor Juhos select CEVT_R4K 120d4a67d9dSGabor Juhos select CSRC_R4K 121d4a67d9dSGabor Juhos select DMA_NONCOHERENT 12294638067SGabor Juhos select HAVE_CLK 1232c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 124d4a67d9dSGabor Juhos select IRQ_CPU 1250aabf1a4SGabor Juhos select MIPS_MACHINE 126d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 127d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 128d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 129d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 130377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 131d4a67d9dSGabor Juhos help 132d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 133d4a67d9dSGabor Juhos 134d666cd02SKevin Cernekeeconfig BCM3384 135d666cd02SKevin Cernekee bool "Broadcom BCM3384 based boards" 136d666cd02SKevin Cernekee select BOOT_RAW 137d666cd02SKevin Cernekee select NO_EXCEPT_FILL 138d666cd02SKevin Cernekee select USE_OF 139d666cd02SKevin Cernekee select CEVT_R4K 140d666cd02SKevin Cernekee select CSRC_R4K 141d666cd02SKevin Cernekee select SYNC_R4K 142d666cd02SKevin Cernekee select COMMON_CLK 143d666cd02SKevin Cernekee select DMA_NONCOHERENT 144d666cd02SKevin Cernekee select IRQ_CPU 145d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 146d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 147d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 148d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 149d666cd02SKevin Cernekee select SWAP_IO_SPACE 150d666cd02SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC 151d666cd02SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO 152d666cd02SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC 153d666cd02SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO 154d666cd02SKevin Cernekee help 155d666cd02SKevin Cernekee Support for BCM3384 based boards. BCM3384/BCM33843 is a cable modem 156d666cd02SKevin Cernekee chipset with a Linux application processor that is often used to 157d666cd02SKevin Cernekee provide Samba services, a CUPS print server, and/or advanced routing 158d666cd02SKevin Cernekee features. 159d666cd02SKevin Cernekee 1601c0c13ebSAurelien Jarnoconfig BCM47XX 161c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 1622da4c74dSHauke Mehrtens select ARCH_WANT_OPTIONAL_GPIOLIB 163fe08f8c2SHauke Mehrtens select BOOT_RAW 16442f77542SRalf Baechle select CEVT_R4K 165940f6b48SRalf Baechle select CSRC_R4K 1661c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1671c0c13ebSAurelien Jarno select HW_HAS_PCI 1681c0c13ebSAurelien Jarno select IRQ_CPU 169314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 170dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1711c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1721c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 173377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 17425e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 175e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 176c949c0bcSRafał Miłecki select GPIOLIB 177c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 1781c0c13ebSAurelien Jarno help 1791c0c13ebSAurelien Jarno Support for BCM47XX based boards 1801c0c13ebSAurelien Jarno 181e7300d04SMaxime Bizonconfig BCM63XX 182e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 183ae8de61cSFlorian Fainelli select BOOT_RAW 184e7300d04SMaxime Bizon select CEVT_R4K 185e7300d04SMaxime Bizon select CSRC_R4K 186fc264022SJonas Gorski select SYNC_R4K 187e7300d04SMaxime Bizon select DMA_NONCOHERENT 188e7300d04SMaxime Bizon select IRQ_CPU 189e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 190e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 191e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 192e7300d04SMaxime Bizon select SWAP_IO_SPACE 193e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 1943e82eeebSYoichi Yuasa select HAVE_CLK 195af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 196e7300d04SMaxime Bizon help 197e7300d04SMaxime Bizon Support for BCM63XX based boards 198e7300d04SMaxime Bizon 1991da177e4SLinus Torvaldsconfig MIPS_COBALT 2003fa986faSMartin Michlmayr bool "Cobalt Server" 20142f77542SRalf Baechle select CEVT_R4K 202940f6b48SRalf Baechle select CSRC_R4K 2031097c6acSYoichi Yuasa select CEVT_GT641XX 2041da177e4SLinus Torvalds select DMA_NONCOHERENT 2051da177e4SLinus Torvalds select HW_HAS_PCI 206d865bea4SRalf Baechle select I8253 2071da177e4SLinus Torvalds select I8259 2081da177e4SLinus Torvalds select IRQ_CPU 209d5ab1a69SYoichi Yuasa select IRQ_GT641XX 210252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 211e25bfc92SYoichi Yuasa select PCI 2127cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2130a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 214ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2150e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2165e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 217e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2181da177e4SLinus Torvalds 2191da177e4SLinus Torvaldsconfig MACH_DECSTATION 2203fa986faSMartin Michlmayr bool "DECstations" 2211da177e4SLinus Torvalds select BOOT_ELF32 2226457d9fcSYoichi Yuasa select CEVT_DS1287 22381d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2244247417dSYoichi Yuasa select CSRC_IOASIC 22581d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 22620d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 22720d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 22820d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 2291da177e4SLinus Torvalds select DMA_NONCOHERENT 230ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 2311da177e4SLinus Torvalds select IRQ_CPU 2327cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 2337cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 234ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2357d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2365e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2371723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 2381723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 2391723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 240930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2415e83d430SRalf Baechle help 2421da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2431da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2441da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2451da177e4SLinus Torvalds 2461da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2471da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds DECstation 5000/50 2501da177e4SLinus Torvalds DECstation 5000/150 2511da177e4SLinus Torvalds DECstation 5000/260 2521da177e4SLinus Torvalds DECsystem 5900/260 2531da177e4SLinus Torvalds 2541da177e4SLinus Torvalds otherwise choose R3000. 2551da177e4SLinus Torvalds 2565e83d430SRalf Baechleconfig MACH_JAZZ 2573fa986faSMartin Michlmayr bool "Jazz family of machines" 2580e2794b0SRalf Baechle select FW_ARC 2590e2794b0SRalf Baechle select FW_ARC32 2605e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 26142f77542SRalf Baechle select CEVT_R4K 262940f6b48SRalf Baechle select CSRC_R4K 263e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2645e83d430SRalf Baechle select GENERIC_ISA_DMA 2658a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 266ea202c63SThomas Bogendoerfer select IRQ_CPU 267d865bea4SRalf Baechle select I8253 2685e83d430SRalf Baechle select I8259 2695e83d430SRalf Baechle select ISA 2707cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2715e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2727d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2731723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2741da177e4SLinus Torvalds help 2755e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2765e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 277692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 2785e83d430SRalf Baechle Olivetti M700-10 workstations. 2795e83d430SRalf Baechle 2805ebabe59SLars-Peter Clausenconfig MACH_JZ4740 2815ebabe59SLars-Peter Clausen bool "Ingenic JZ4740 based machines" 2825ebabe59SLars-Peter Clausen select SYS_HAS_CPU_MIPS32_R1 2835ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 2845ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 285f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 2865ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 2875ebabe59SLars-Peter Clausen select IRQ_CPU 2885ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 2895ebabe59SLars-Peter Clausen select SYS_HAS_EARLY_PRINTK 290ab5330ebSMaurus Cuelenaere select HAVE_CLK 29183bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 2925ebabe59SLars-Peter Clausen 293171bb2f1SJohn Crispinconfig LANTIQ 294171bb2f1SJohn Crispin bool "Lantiq based platforms" 295171bb2f1SJohn Crispin select DMA_NONCOHERENT 296171bb2f1SJohn Crispin select IRQ_CPU 297171bb2f1SJohn Crispin select CEVT_R4K 298171bb2f1SJohn Crispin select CSRC_R4K 299171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 300171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 301171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 302171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 303377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 304171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 305171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 306171bb2f1SJohn Crispin select ARCH_REQUIRE_GPIOLIB 307171bb2f1SJohn Crispin select SWAP_IO_SPACE 308171bb2f1SJohn Crispin select BOOT_RAW 309287e3f3fSJohn Crispin select HAVE_MACH_CLKDEV 310287e3f3fSJohn Crispin select CLKDEV_LOOKUP 311a0392222SJohn Crispin select USE_OF 3123f8c50c9SJohn Crispin select PINCTRL 3133f8c50c9SJohn Crispin select PINCTRL_LANTIQ 314c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 315c530781cSJohn Crispin select RESET_CONTROLLER 316171bb2f1SJohn Crispin 3171f21d2bdSBrian Murphyconfig LASAT 3181f21d2bdSBrian Murphy bool "LASAT Networks platforms" 31942f77542SRalf Baechle select CEVT_R4K 32016f0bbbcSRalf Baechle select CRC32 321940f6b48SRalf Baechle select CSRC_R4K 3221f21d2bdSBrian Murphy select DMA_NONCOHERENT 3231f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3241f21d2bdSBrian Murphy select HW_HAS_PCI 325a5ccfe5cSRalf Baechle select IRQ_CPU 3261f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 3271f21d2bdSBrian Murphy select MIPS_NILE4 3281f21d2bdSBrian Murphy select R5000_CPU_SCACHE 3291f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 3301f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 3311f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 3321f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 3331f21d2bdSBrian Murphy 33485749d24SWu Zhangjinconfig MACH_LOONGSON 33585749d24SWu Zhangjin bool "Loongson family of machines" 336c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 337ade299d8SYoichi Yuasa help 33885749d24SWu Zhangjin This enables the support of Loongson family of machines. 33985749d24SWu Zhangjin 34085749d24SWu Zhangjin Loongson is a family of general-purpose MIPS-compatible CPUs. 34185749d24SWu Zhangjin developed at Institute of Computing Technology (ICT), 34285749d24SWu Zhangjin Chinese Academy of Sciences (CAS) in the People's Republic 34385749d24SWu Zhangjin of China. The chief architect is Professor Weiwu Hu. 344ade299d8SYoichi Yuasa 345ca585cf9SKelvin Cheungconfig MACH_LOONGSON1 346ca585cf9SKelvin Cheung bool "Loongson 1 family of machines" 347ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 348ca585cf9SKelvin Cheung help 349ca585cf9SKelvin Cheung This enables support for the Loongson 1 based machines. 350ca585cf9SKelvin Cheung 351ca585cf9SKelvin Cheung Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by 352ca585cf9SKelvin Cheung the ICT (Institute of Computing Technology) and the Chinese Academy 353ca585cf9SKelvin Cheung of Sciences. 354ca585cf9SKelvin Cheung 3551da177e4SLinus Torvaldsconfig MIPS_MALTA 3563fa986faSMartin Michlmayr bool "MIPS Malta board" 35761ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 3581da177e4SLinus Torvalds select BOOT_ELF32 359fa71c960SRalf Baechle select BOOT_RAW 36042f77542SRalf Baechle select CEVT_R4K 361940f6b48SRalf Baechle select CSRC_R4K 362fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 363885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 3641da177e4SLinus Torvalds select GENERIC_ISA_DMA 3658a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 366aa414dffSRalf Baechle select IRQ_CPU 3678a19b8f1SAndrew Bresticker select MIPS_GIC 3681da177e4SLinus Torvalds select HW_HAS_PCI 369d865bea4SRalf Baechle select I8253 3701da177e4SLinus Torvalds select I8259 3715e83d430SRalf Baechle select MIPS_BONITO64 3729318c51aSChris Dearman select MIPS_CPU_SCACHE 373a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 374252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3755e83d430SRalf Baechle select MIPS_MSC 3761da177e4SLinus Torvalds select SWAP_IO_SPACE 3777cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 3787cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 379bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 380575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 3817cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 3825d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 383575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 3847cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3857cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 386ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 387ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3885e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3895e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 390424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 3910365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 392e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 393377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 394f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 3959693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 3961b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 3971da177e4SLinus Torvalds help 398f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 3991da177e4SLinus Torvalds board. 4001da177e4SLinus Torvalds 401ec47b274SSteven J. Hillconfig MIPS_SEAD3 402ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 403ec47b274SSteven J. Hill select BOOT_ELF32 404ec47b274SSteven J. Hill select BOOT_RAW 405f262b5f2SAndrew Bresticker select BUILTIN_DTB 406ec47b274SSteven J. Hill select CEVT_R4K 407ec47b274SSteven J. Hill select CSRC_R4K 408fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 409ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 410ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 411ec47b274SSteven J. Hill select DMA_NONCOHERENT 412ec47b274SSteven J. Hill select IRQ_CPU 4138a19b8f1SAndrew Bresticker select MIPS_GIC 41444327236SQais Yousef select LIBFDT 415ec47b274SSteven J. Hill select MIPS_MSC 416ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 417ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 418ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 419ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 420ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 421ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 422ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 423ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 424ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 425a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 426377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 427ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 428ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 4299b731009SSteven J. Hill select USE_OF 430ec47b274SSteven J. Hill help 431ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 432ec47b274SSteven J. Hill board. 433ec47b274SSteven J. Hill 434a83860c2SRalf Baechleconfig NEC_MARKEINS 435a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 436a83860c2SRalf Baechle select SOC_EMMA2RH 437a83860c2SRalf Baechle select HW_HAS_PCI 438a83860c2SRalf Baechle help 439a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 440ade299d8SYoichi Yuasa 4415e83d430SRalf Baechleconfig MACH_VR41XX 44274142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 44342f77542SRalf Baechle select CEVT_R4K 444940f6b48SRalf Baechle select CSRC_R4K 4457cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 446377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 44727fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 4485e83d430SRalf Baechle 449edb6310aSDaniel Lairdconfig NXP_STB220 450edb6310aSDaniel Laird bool "NXP STB220 board" 451edb6310aSDaniel Laird select SOC_PNX833X 452edb6310aSDaniel Laird help 453edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 454edb6310aSDaniel Laird 455edb6310aSDaniel Lairdconfig NXP_STB225 456edb6310aSDaniel Laird bool "NXP 225 board" 457edb6310aSDaniel Laird select SOC_PNX833X 458edb6310aSDaniel Laird select SOC_PNX8335 459edb6310aSDaniel Laird help 460edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 461edb6310aSDaniel Laird 4629267a30dSMarc St-Jeanconfig PMC_MSP 4639267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 46439d30c13SAnoop P A select CEVT_R4K 46539d30c13SAnoop P A select CSRC_R4K 4669267a30dSMarc St-Jean select DMA_NONCOHERENT 4679267a30dSMarc St-Jean select SWAP_IO_SPACE 4689267a30dSMarc St-Jean select NO_EXCEPT_FILL 4699267a30dSMarc St-Jean select BOOT_RAW 4709267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 4719267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 4729267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 4739267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 474377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 4759267a30dSMarc St-Jean select IRQ_CPU 4769267a30dSMarc St-Jean select SERIAL_8250 4779267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 4789296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 4799296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 4809267a30dSMarc St-Jean help 4819267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 4829267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 4839267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 4849267a30dSMarc St-Jean a variety of MIPS cores. 4859267a30dSMarc St-Jean 486ae2b5bb6SJohn Crispinconfig RALINK 487ae2b5bb6SJohn Crispin bool "Ralink based machines" 488ae2b5bb6SJohn Crispin select CEVT_R4K 489ae2b5bb6SJohn Crispin select CSRC_R4K 490ae2b5bb6SJohn Crispin select BOOT_RAW 491ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 492ae2b5bb6SJohn Crispin select IRQ_CPU 493ae2b5bb6SJohn Crispin select USE_OF 494ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 495ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 496ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 497ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 498377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 499ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 500ae2b5bb6SJohn Crispin select HAVE_MACH_CLKDEV 501ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 5022a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 5032a153f1cSJohn Crispin select RESET_CONTROLLER 504ae2b5bb6SJohn Crispin 5051da177e4SLinus Torvaldsconfig SGI_IP22 5063fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 5070e2794b0SRalf Baechle select FW_ARC 5080e2794b0SRalf Baechle select FW_ARC32 5091da177e4SLinus Torvalds select BOOT_ELF32 51042f77542SRalf Baechle select CEVT_R4K 511940f6b48SRalf Baechle select CSRC_R4K 512e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 5131da177e4SLinus Torvalds select DMA_NONCOHERENT 5145e83d430SRalf Baechle select HW_HAS_EISA 515d865bea4SRalf Baechle select I8253 51668de4803SThomas Bogendoerfer select I8259 5171da177e4SLinus Torvalds select IP22_CPU_SCACHE 5181da177e4SLinus Torvalds select IRQ_CPU 519aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 520e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 521e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 52236e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 523e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 524e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 525e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 5261da177e4SLinus Torvalds select SWAP_IO_SPACE 5277cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5287cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 5292b5e63f6SMartin Michlmayr # 5302b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5312b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5322b5e63f6SMartin Michlmayr # 5332b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5342b5e63f6SMartin Michlmayr # for a more details discussion 5352b5e63f6SMartin Michlmayr # 5362b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 537ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 538ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5395e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 540930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5411da177e4SLinus Torvalds help 5421da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 5431da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 5441da177e4SLinus Torvalds that runs on these, say Y here. 5451da177e4SLinus Torvalds 5461da177e4SLinus Torvaldsconfig SGI_IP27 5473fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 5480e2794b0SRalf Baechle select FW_ARC 5490e2794b0SRalf Baechle select FW_ARC64 5505e83d430SRalf Baechle select BOOT_ELF64 551e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 552634286f1SRalf Baechle select DMA_COHERENT 55336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 5541da177e4SLinus Torvalds select HW_HAS_PCI 555130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 5567cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 557ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5585e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 559d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 5601a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 561930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5621da177e4SLinus Torvalds help 5631da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 5641da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 5651da177e4SLinus Torvalds here. 5661da177e4SLinus Torvalds 567e2defae5SThomas Bogendoerferconfig SGI_IP28 5687d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 5690e2794b0SRalf Baechle select FW_ARC 5700e2794b0SRalf Baechle select FW_ARC64 571e2defae5SThomas Bogendoerfer select BOOT_ELF64 572e2defae5SThomas Bogendoerfer select CEVT_R4K 573e2defae5SThomas Bogendoerfer select CSRC_R4K 574e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 575e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 576e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 577e2defae5SThomas Bogendoerfer select IRQ_CPU 578e2defae5SThomas Bogendoerfer select HW_HAS_EISA 579e2defae5SThomas Bogendoerfer select I8253 580e2defae5SThomas Bogendoerfer select I8259 581e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 582e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 5835b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 584e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 585e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 586e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 587e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 588e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 5892b5e63f6SMartin Michlmayr # 5902b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5912b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5922b5e63f6SMartin Michlmayr # 5932b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5942b5e63f6SMartin Michlmayr # for a more details discussion 5952b5e63f6SMartin Michlmayr # 5962b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 597e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 598e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 599dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 600e2defae5SThomas Bogendoerfer help 601e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 602e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 603e2defae5SThomas Bogendoerfer 6041da177e4SLinus Torvaldsconfig SGI_IP32 605cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 6060e2794b0SRalf Baechle select FW_ARC 6070e2794b0SRalf Baechle select FW_ARC32 6081da177e4SLinus Torvalds select BOOT_ELF32 60942f77542SRalf Baechle select CEVT_R4K 610940f6b48SRalf Baechle select CSRC_R4K 6111da177e4SLinus Torvalds select DMA_NONCOHERENT 6121da177e4SLinus Torvalds select HW_HAS_PCI 613dd67b155SRalf Baechle select IRQ_CPU 6141da177e4SLinus Torvalds select R5000_CPU_SCACHE 6151da177e4SLinus Torvalds select RM7000_CPU_SCACHE 6167cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6177cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 6187cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 619dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 620ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6215e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6221da177e4SLinus Torvalds help 6231da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 6241da177e4SLinus Torvalds 625ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 626ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 6275e83d430SRalf Baechle select BOOT_ELF32 6285e83d430SRalf Baechle select DMA_COHERENT 6295e83d430SRalf Baechle select SIBYTE_BCM1120 6305e83d430SRalf Baechle select SWAP_IO_SPACE 6317cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6325e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6335e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6345e83d430SRalf Baechle 635ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 636ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 6375e83d430SRalf Baechle select BOOT_ELF32 6385e83d430SRalf Baechle select DMA_COHERENT 6395e83d430SRalf Baechle select SIBYTE_BCM1120 6405e83d430SRalf Baechle select SWAP_IO_SPACE 6417cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6425e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6445e83d430SRalf Baechle 6455e83d430SRalf Baechleconfig SIBYTE_CRHONE 6463fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 6475e83d430SRalf Baechle select BOOT_ELF32 6485e83d430SRalf Baechle select DMA_COHERENT 6495e83d430SRalf Baechle select SIBYTE_BCM1125 6505e83d430SRalf Baechle select SWAP_IO_SPACE 6517cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6525e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6535e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6545e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6555e83d430SRalf Baechle 656ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 657ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 658ade299d8SYoichi Yuasa select BOOT_ELF32 659ade299d8SYoichi Yuasa select DMA_COHERENT 660ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 661ade299d8SYoichi Yuasa select SWAP_IO_SPACE 662ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 663ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 664ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 665ade299d8SYoichi Yuasa 666ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 667ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 668ade299d8SYoichi Yuasa select BOOT_ELF32 669ade299d8SYoichi Yuasa select DMA_COHERENT 670fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 671ade299d8SYoichi Yuasa select SIBYTE_SB1250 672ade299d8SYoichi Yuasa select SWAP_IO_SPACE 673ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 674ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 675ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 676ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 677cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 678ade299d8SYoichi Yuasa 679ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 680ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 681ade299d8SYoichi Yuasa select BOOT_ELF32 682ade299d8SYoichi Yuasa select DMA_COHERENT 683fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 684ade299d8SYoichi Yuasa select SIBYTE_SB1250 685ade299d8SYoichi Yuasa select SWAP_IO_SPACE 686ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 687ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 688ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 689ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 690ade299d8SYoichi Yuasa 691ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 692ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 693ade299d8SYoichi Yuasa select BOOT_ELF32 694ade299d8SYoichi Yuasa select DMA_COHERENT 695ade299d8SYoichi Yuasa select SIBYTE_SB1250 696ade299d8SYoichi Yuasa select SWAP_IO_SPACE 697ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 698ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 699ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 700ade299d8SYoichi Yuasa 701ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 702ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 703ade299d8SYoichi Yuasa select BOOT_ELF32 704ade299d8SYoichi Yuasa select DMA_COHERENT 705ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 706ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 707ade299d8SYoichi Yuasa select SWAP_IO_SPACE 708ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 709ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 710651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 711ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 712cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 713ade299d8SYoichi Yuasa 71414b36af4SThomas Bogendoerferconfig SNI_RM 71514b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 7160e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 7170e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 718aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 7195e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 7205e83d430SRalf Baechle select BOOT_ELF32 72142f77542SRalf Baechle select CEVT_R4K 722940f6b48SRalf Baechle select CSRC_R4K 723e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 7245e83d430SRalf Baechle select DMA_NONCOHERENT 7255e83d430SRalf Baechle select GENERIC_ISA_DMA 7268a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 7275e83d430SRalf Baechle select HW_HAS_EISA 7285e83d430SRalf Baechle select HW_HAS_PCI 729c066a32aSThomas Bogendoerfer select IRQ_CPU 730d865bea4SRalf Baechle select I8253 7315e83d430SRalf Baechle select I8259 7325e83d430SRalf Baechle select ISA 7334a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 7347cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 7354a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 736c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7374a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 73836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 739ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 7407d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 7414a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7425e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7441da177e4SLinus Torvalds help 74514b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 74614b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 7475e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 7485e83d430SRalf Baechle support this machine type. 7491da177e4SLinus Torvalds 750edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 751edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 7525e83d430SRalf Baechle 753edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 754edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 75523fbee9dSRalf Baechle 75673b4390fSRalf Baechleconfig MIKROTIK_RB532 75773b4390fSRalf Baechle bool "Mikrotik RB532 boards" 75873b4390fSRalf Baechle select CEVT_R4K 75973b4390fSRalf Baechle select CSRC_R4K 76073b4390fSRalf Baechle select DMA_NONCOHERENT 76173b4390fSRalf Baechle select HW_HAS_PCI 76273b4390fSRalf Baechle select IRQ_CPU 76373b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 76473b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 76573b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 76673b4390fSRalf Baechle select SWAP_IO_SPACE 76773b4390fSRalf Baechle select BOOT_RAW 768d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 769930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 77073b4390fSRalf Baechle help 77173b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 77273b4390fSRalf Baechle based on the IDT RC32434 SoC. 77373b4390fSRalf Baechle 7749ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 7759ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 776a86c7f72SDavid Daney select CEVT_R4K 77734adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 778a86c7f72SDavid Daney select DMA_COHERENT 779a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 780a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 781f65aad41SRalf Baechle select EDAC_SUPPORT 782773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 783a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 7845e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 785a86c7f72SDavid Daney select SWAP_IO_SPACE 786e8635b48SDavid Daney select HW_HAS_PCI 787f00e001eSDavid Daney select ZONE_DMA32 788465aaed0SDavid Daney select HOLES_IN_ZONE 78999cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 7906e511163SDavid Daney select LIBFDT 7916e511163SDavid Daney select USE_OF 7926e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 7936e511163SDavid Daney select SYS_SUPPORTS_SMP 7946e511163SDavid Daney select NR_CPUS_DEFAULT_16 795e326479fSAndrew Bresticker select BUILTIN_DTB 796a86c7f72SDavid Daney help 797a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 798a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 799a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 800a86c7f72SDavid Daney Some of the supported boards are: 801a86c7f72SDavid Daney EBT3000 802a86c7f72SDavid Daney EBH3000 803a86c7f72SDavid Daney EBH3100 804a86c7f72SDavid Daney Thunder 805a86c7f72SDavid Daney Kodama 806a86c7f72SDavid Daney Hikari 807a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 808a86c7f72SDavid Daney 8097f058e85SJayachandran Cconfig NLM_XLR_BOARD 8107f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 8117f058e85SJayachandran C select BOOT_ELF32 8127f058e85SJayachandran C select NLM_COMMON 8137f058e85SJayachandran C select SYS_HAS_CPU_XLR 8147f058e85SJayachandran C select SYS_SUPPORTS_SMP 8157f058e85SJayachandran C select HW_HAS_PCI 8167f058e85SJayachandran C select SWAP_IO_SPACE 8177f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8187f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 81934adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 8207f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8217f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 8227f058e85SJayachandran C select DMA_COHERENT 8237f058e85SJayachandran C select NR_CPUS_DEFAULT_32 8247f058e85SJayachandran C select CEVT_R4K 8257f058e85SJayachandran C select CSRC_R4K 8267f058e85SJayachandran C select IRQ_CPU 827b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8287f058e85SJayachandran C select SYNC_R4K 8297f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 8308f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8318f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8327f058e85SJayachandran C help 8337f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 8347f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 8357f058e85SJayachandran C 8361c773ea4SJayachandran Cconfig NLM_XLP_BOARD 8371c773ea4SJayachandran C bool "Netlogic XLP based systems" 8381c773ea4SJayachandran C select BOOT_ELF32 8391c773ea4SJayachandran C select NLM_COMMON 8401c773ea4SJayachandran C select SYS_HAS_CPU_XLP 8411c773ea4SJayachandran C select SYS_SUPPORTS_SMP 8421c773ea4SJayachandran C select HW_HAS_PCI 8431c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8441c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 84534adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 8461c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8471c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 8481c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 8491c773ea4SJayachandran C select DMA_COHERENT 8501c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 8511c773ea4SJayachandran C select CEVT_R4K 8521c773ea4SJayachandran C select CSRC_R4K 8531c773ea4SJayachandran C select IRQ_CPU 854b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8551c773ea4SJayachandran C select SYNC_R4K 8561c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 8572f6528e1SJayachandran C select USE_OF 8588f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8598f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8601c773ea4SJayachandran C help 8611c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 8621c773ea4SJayachandran C Say Y here if you have a XLP based board. 8631c773ea4SJayachandran C 8649bc463beSDavid Daneyconfig MIPS_PARAVIRT 8659bc463beSDavid Daney bool "Para-Virtualized guest system" 8669bc463beSDavid Daney select CEVT_R4K 8679bc463beSDavid Daney select CSRC_R4K 8689bc463beSDavid Daney select DMA_COHERENT 8699bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 8709bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 8719bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 8729bc463beSDavid Daney select SYS_SUPPORTS_SMP 8739bc463beSDavid Daney select NR_CPUS_DEFAULT_4 8749bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 8759bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 8769bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 8779bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 8789bc463beSDavid Daney select HW_HAS_PCI 8799bc463beSDavid Daney select SWAP_IO_SPACE 8809bc463beSDavid Daney help 8819bc463beSDavid Daney This option supports guest running under ???? 8829bc463beSDavid Daney 8831da177e4SLinus Torvaldsendchoice 8841da177e4SLinus Torvalds 885e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 8863b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 887d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 888a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 889e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 8905e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 8915ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 8928ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 8931f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 8940f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 895ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 89629c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 89738b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 89822b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 8995e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 900a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 90185749d24SWu Zhangjinsource "arch/mips/loongson/Kconfig" 902ca585cf9SKelvin Cheungsource "arch/mips/loongson1/Kconfig" 9037f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 904ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 90538b18f72SRalf Baechle 9065e83d430SRalf Baechleendmenu 9075e83d430SRalf Baechle 9081da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 9091da177e4SLinus Torvalds bool 9101da177e4SLinus Torvalds default y 9111da177e4SLinus Torvalds 9121da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 9131da177e4SLinus Torvalds bool 9141da177e4SLinus Torvalds 915f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 916f0d1b0b3SDavid Howells bool 917f0d1b0b3SDavid Howells default n 918f0d1b0b3SDavid Howells 919f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 920f0d1b0b3SDavid Howells bool 921f0d1b0b3SDavid Howells default n 922f0d1b0b3SDavid Howells 9233c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 9243c9ee7efSAkinobu Mita bool 9253c9ee7efSAkinobu Mita default y 9263c9ee7efSAkinobu Mita 9271da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 9281da177e4SLinus Torvalds bool 9291da177e4SLinus Torvalds default y 9301da177e4SLinus Torvalds 931ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 9321cc89038SAtsushi Nemoto bool 9331cc89038SAtsushi Nemoto default y 9341cc89038SAtsushi Nemoto 9351da177e4SLinus Torvalds# 9361da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 9371da177e4SLinus Torvalds# 9380e2794b0SRalf Baechleconfig FW_ARC 9391da177e4SLinus Torvalds bool 9401da177e4SLinus Torvalds 94161ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 94261ed242dSRalf Baechle bool 94361ed242dSRalf Baechle 9449267a30dSMarc St-Jeanconfig BOOT_RAW 9459267a30dSMarc St-Jean bool 9469267a30dSMarc St-Jean 947217dd11eSRalf Baechleconfig CEVT_BCM1480 948217dd11eSRalf Baechle bool 949217dd11eSRalf Baechle 9506457d9fcSYoichi Yuasaconfig CEVT_DS1287 9516457d9fcSYoichi Yuasa bool 9526457d9fcSYoichi Yuasa 9531097c6acSYoichi Yuasaconfig CEVT_GT641XX 9541097c6acSYoichi Yuasa bool 9551097c6acSYoichi Yuasa 95642f77542SRalf Baechleconfig CEVT_R4K 95742f77542SRalf Baechle bool 95842f77542SRalf Baechle 959217dd11eSRalf Baechleconfig CEVT_SB1250 960217dd11eSRalf Baechle bool 961217dd11eSRalf Baechle 962229f773eSAtsushi Nemotoconfig CEVT_TXX9 963229f773eSAtsushi Nemoto bool 964229f773eSAtsushi Nemoto 965217dd11eSRalf Baechleconfig CSRC_BCM1480 966217dd11eSRalf Baechle bool 967217dd11eSRalf Baechle 9684247417dSYoichi Yuasaconfig CSRC_IOASIC 9694247417dSYoichi Yuasa bool 9704247417dSYoichi Yuasa 971940f6b48SRalf Baechleconfig CSRC_R4K 972940f6b48SRalf Baechle bool 973940f6b48SRalf Baechle 974217dd11eSRalf Baechleconfig CSRC_SB1250 975217dd11eSRalf Baechle bool 976217dd11eSRalf Baechle 977a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 9787444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 979a9aec7feSAtsushi Nemoto bool 980a9aec7feSAtsushi Nemoto 9810e2794b0SRalf Baechleconfig FW_CFE 982df78b5c8SAurelien Jarno bool 983df78b5c8SAurelien Jarno 9844bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 98534adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 9864bafad92SFUJITA Tomonori 987885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 988885014bcSFelix Fietkau select DMA_NONCOHERENT 989885014bcSFelix Fietkau bool 990885014bcSFelix Fietkau 9911da177e4SLinus Torvaldsconfig DMA_COHERENT 9921da177e4SLinus Torvalds bool 9931da177e4SLinus Torvalds 9941da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 9951da177e4SLinus Torvalds bool 996e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 9974ce588cdSRalf Baechle 998e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 9994ce588cdSRalf Baechle bool 10001da177e4SLinus Torvalds 100136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 10021da177e4SLinus Torvalds bool 10031da177e4SLinus Torvalds 1004dbb74540SRalf Baechleconfig HOTPLUG_CPU 10051b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 100640b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 10071b2bc75cSRalf Baechle help 10081b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 10091b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 10101b2bc75cSRalf Baechle (Note: power management support will enable this option 10111b2bc75cSRalf Baechle automatically on SMP systems. ) 10121b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 10131b2bc75cSRalf Baechle 10141b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1015dbb74540SRalf Baechle bool 1016dbb74540SRalf Baechle 10171da177e4SLinus Torvaldsconfig I8259 10181da177e4SLinus Torvalds bool 1019079a4601SAndrew Bresticker select IRQ_DOMAIN 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvaldsconfig MIPS_BONITO64 10221da177e4SLinus Torvalds bool 10231da177e4SLinus Torvalds 10241da177e4SLinus Torvaldsconfig MIPS_MSC 10251da177e4SLinus Torvalds bool 10261da177e4SLinus Torvalds 10271f21d2bdSBrian Murphyconfig MIPS_NILE4 10281f21d2bdSBrian Murphy bool 10291f21d2bdSBrian Murphy 103039b8d525SRalf Baechleconfig SYNC_R4K 103139b8d525SRalf Baechle bool 103239b8d525SRalf Baechle 1033487d70d0SGabor Juhosconfig MIPS_MACHINE 1034487d70d0SGabor Juhos def_bool n 1035487d70d0SGabor Juhos 1036ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1037d388d685SMaciej W. Rozycki def_bool n 1038d388d685SMaciej W. Rozycki 10394e0748f5SMarkos Chandrasconfig GENERIC_CSUM 10404e0748f5SMarkos Chandras bool 10414e0748f5SMarkos Chandras 10428313da30SRalf Baechleconfig GENERIC_ISA_DMA 10438313da30SRalf Baechle bool 10448313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1045a35bee8aSNamhyung Kim select ISA_DMA_API 10468313da30SRalf Baechle 1047aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1048aa414dffSRalf Baechle bool 10498313da30SRalf Baechle select GENERIC_ISA_DMA 1050aa414dffSRalf Baechle 1051a35bee8aSNamhyung Kimconfig ISA_DMA_API 1052a35bee8aSNamhyung Kim bool 1053a35bee8aSNamhyung Kim 1054465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1055465aaed0SDavid Daney bool 1056465aaed0SDavid Daney 10575e83d430SRalf Baechle# 10586b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 10595e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 10605e83d430SRalf Baechle# choice statement should be more obvious to the user. 10615e83d430SRalf Baechle# 10625e83d430SRalf Baechlechoice 10636b2aac42SMasanari Iida prompt "Endianness selection" 10641da177e4SLinus Torvalds help 10651da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 10665e83d430SRalf Baechle byte order. These modes require different kernels and a different 10673cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 10685e83d430SRalf Baechle particular system but some systems are just as commonly used in the 10693dde6ad8SDavid Sterba one or the other endianness. 10705e83d430SRalf Baechle 10715e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 10725e83d430SRalf Baechle bool "Big endian" 10735e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 10745e83d430SRalf Baechle 10755e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 10765e83d430SRalf Baechle bool "Little endian" 10775e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 10785e83d430SRalf Baechle 10795e83d430SRalf Baechleendchoice 10805e83d430SRalf Baechle 108122b0763aSDavid Daneyconfig EXPORT_UASM 108222b0763aSDavid Daney bool 108322b0763aSDavid Daney 10842116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 10852116245eSRalf Baechle bool 10862116245eSRalf Baechle 10875e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 10885e83d430SRalf Baechle bool 10895e83d430SRalf Baechle 10905e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 10915e83d430SRalf Baechle bool 10921da177e4SLinus Torvalds 10939cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 10949cffd154SDavid Daney bool 10959cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 10969cffd154SDavid Daney default y 10979cffd154SDavid Daney 1098aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1099aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1100aa1762f4SDavid Daney 11011da177e4SLinus Torvaldsconfig IRQ_CPU 11021da177e4SLinus Torvalds bool 11030f84c305SAndrew Bresticker select IRQ_DOMAIN 11041da177e4SLinus Torvalds 11051da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 11061da177e4SLinus Torvalds bool 11071da177e4SLinus Torvalds 11089267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 11099267a30dSMarc St-Jean bool 11109267a30dSMarc St-Jean 11119267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 11129267a30dSMarc St-Jean bool 11139267a30dSMarc St-Jean 11148420fd00SAtsushi Nemotoconfig IRQ_TXX9 11158420fd00SAtsushi Nemoto bool 11168420fd00SAtsushi Nemoto 1117d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1118d5ab1a69SYoichi Yuasa bool 1119d5ab1a69SYoichi Yuasa 1120252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 11211da177e4SLinus Torvalds bool 11221da177e4SLinus Torvalds 11239267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 11249267a30dSMarc St-Jean bool 11259267a30dSMarc St-Jean 1126a83860c2SRalf Baechleconfig SOC_EMMA2RH 1127a83860c2SRalf Baechle bool 1128a83860c2SRalf Baechle select CEVT_R4K 1129a83860c2SRalf Baechle select CSRC_R4K 1130a83860c2SRalf Baechle select DMA_NONCOHERENT 1131a83860c2SRalf Baechle select IRQ_CPU 1132a83860c2SRalf Baechle select SWAP_IO_SPACE 1133a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1134a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1135a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1136a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1137a83860c2SRalf Baechle 1138edb6310aSDaniel Lairdconfig SOC_PNX833X 1139edb6310aSDaniel Laird bool 1140edb6310aSDaniel Laird select CEVT_R4K 1141edb6310aSDaniel Laird select CSRC_R4K 1142edb6310aSDaniel Laird select IRQ_CPU 1143edb6310aSDaniel Laird select DMA_NONCOHERENT 1144edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1145edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1146edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1147edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1148377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1149edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1150edb6310aSDaniel Laird 1151edb6310aSDaniel Lairdconfig SOC_PNX8335 1152edb6310aSDaniel Laird bool 1153edb6310aSDaniel Laird select SOC_PNX833X 1154edb6310aSDaniel Laird 1155a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1156a7e07b1aSMarkos Chandras bool 1157a7e07b1aSMarkos Chandras 11581da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 11591da177e4SLinus Torvalds bool 11601da177e4SLinus Torvalds 1161e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1162e2defae5SThomas Bogendoerfer bool 1163e2defae5SThomas Bogendoerfer 11645b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 11655b438c44SThomas Bogendoerfer bool 11665b438c44SThomas Bogendoerfer 1167e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1168e2defae5SThomas Bogendoerfer bool 1169e2defae5SThomas Bogendoerfer 1170e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1171e2defae5SThomas Bogendoerfer bool 1172e2defae5SThomas Bogendoerfer 1173e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1174e2defae5SThomas Bogendoerfer bool 1175e2defae5SThomas Bogendoerfer 1176e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1177e2defae5SThomas Bogendoerfer bool 1178e2defae5SThomas Bogendoerfer 1179e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1180e2defae5SThomas Bogendoerfer bool 1181e2defae5SThomas Bogendoerfer 11820e2794b0SRalf Baechleconfig FW_ARC32 11835e83d430SRalf Baechle bool 11845e83d430SRalf Baechle 1185aaa9fad3SPaul Bolleconfig FW_SNIPROM 1186231a35d3SThomas Bogendoerfer bool 1187231a35d3SThomas Bogendoerfer 11881da177e4SLinus Torvaldsconfig BOOT_ELF32 11891da177e4SLinus Torvalds bool 11901da177e4SLinus Torvalds 1191930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1192930beb5aSFlorian Fainelli bool 1193930beb5aSFlorian Fainelli 1194930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1195930beb5aSFlorian Fainelli bool 1196930beb5aSFlorian Fainelli 1197930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1198930beb5aSFlorian Fainelli bool 1199930beb5aSFlorian Fainelli 1200930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1201930beb5aSFlorian Fainelli bool 1202930beb5aSFlorian Fainelli 12031da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12041da177e4SLinus Torvalds int 1205a4c0201eSFlorian Fainelli default "4" if MIPS_L1_CACHE_SHIFT_4 1206a4c0201eSFlorian Fainelli default "5" if MIPS_L1_CACHE_SHIFT_5 1207a4c0201eSFlorian Fainelli default "6" if MIPS_L1_CACHE_SHIFT_6 1208a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12091da177e4SLinus Torvalds default "5" 12101da177e4SLinus Torvalds 12111da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 12121da177e4SLinus Torvalds bool 12131da177e4SLinus Torvalds 12141da177e4SLinus Torvaldsconfig ARC_CONSOLE 12151da177e4SLinus Torvalds bool "ARC console support" 1216e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12171da177e4SLinus Torvalds 12181da177e4SLinus Torvaldsconfig ARC_MEMORY 12191da177e4SLinus Torvalds bool 122014b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 12211da177e4SLinus Torvalds default y 12221da177e4SLinus Torvalds 12231da177e4SLinus Torvaldsconfig ARC_PROMLIB 12241da177e4SLinus Torvalds bool 1225e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 12261da177e4SLinus Torvalds default y 12271da177e4SLinus Torvalds 12280e2794b0SRalf Baechleconfig FW_ARC64 12291da177e4SLinus Torvalds bool 12301da177e4SLinus Torvalds 12311da177e4SLinus Torvaldsconfig BOOT_ELF64 12321da177e4SLinus Torvalds bool 12331da177e4SLinus Torvalds 12341da177e4SLinus Torvaldsmenu "CPU selection" 12351da177e4SLinus Torvalds 12361da177e4SLinus Torvaldschoice 12371da177e4SLinus Torvalds prompt "CPU type" 12381da177e4SLinus Torvalds default CPU_R4X00 12391da177e4SLinus Torvalds 12400e476d91SHuacai Chenconfig CPU_LOONGSON3 12410e476d91SHuacai Chen bool "Loongson 3 CPU" 12420e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 12430e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 12440e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 12450e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 12460e476d91SHuacai Chen select WEAK_ORDERING 12470e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1248*cbfb3ea7SHuacai Chen select ARCH_REQUIRE_GPIOLIB 12490e476d91SHuacai Chen help 12500e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 12510e476d91SHuacai Chen set with many extensions. 12520e476d91SHuacai Chen 12533702bba5SWu Zhangjinconfig CPU_LOONGSON2E 12543702bba5SWu Zhangjin bool "Loongson 2E" 12553702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 12563702bba5SWu Zhangjin select CPU_LOONGSON2 12572a21c730SFuxin Zhang help 12582a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 12592a21c730SFuxin Zhang with many extensions. 12602a21c730SFuxin Zhang 126125985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 12626f7a251aSWu Zhangjin bonito64. 12636f7a251aSWu Zhangjin 12646f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 12656f7a251aSWu Zhangjin bool "Loongson 2F" 12666f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 12676f7a251aSWu Zhangjin select CPU_LOONGSON2 1268c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 12696f7a251aSWu Zhangjin help 12706f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 12716f7a251aSWu Zhangjin with many extensions. 12726f7a251aSWu Zhangjin 12736f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 12746f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 12756f7a251aSWu Zhangjin Loongson2E. 12766f7a251aSWu Zhangjin 1277ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1278ca585cf9SKelvin Cheung bool "Loongson 1B" 1279ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1280ca585cf9SKelvin Cheung select CPU_LOONGSON1 1281ca585cf9SKelvin Cheung help 1282ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1283ca585cf9SKelvin Cheung release 2 instruction set. 1284ca585cf9SKelvin Cheung 12856e760c8dSRalf Baechleconfig CPU_MIPS32_R1 12866e760c8dSRalf Baechle bool "MIPS32 Release 1" 12877cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 12886e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1289797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1290ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12916e760c8dSRalf Baechle help 12925e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 12931e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 12941e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 12951e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 12961e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 12971e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 12981e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 12991e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 13001e5f1caaSRalf Baechle performance. 13011e5f1caaSRalf Baechle 13021e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 13031e5f1caaSRalf Baechle bool "MIPS32 Release 2" 13047cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 13051e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1306797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1307ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1308a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13092235a54dSSanjay Lal select HAVE_KVM 13101e5f1caaSRalf Baechle help 13115e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 13126e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13136e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13146e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13156e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13161da177e4SLinus Torvalds 13177fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 13187fd08ca5SLeonid Yegoshin bool "MIPS32 Release 6 (EXPERIMENTAL)" 13197fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 13207fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 13217fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 13227fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 13237fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 13244e0748f5SMarkos Chandras select GENERIC_CSUM 13257fd08ca5SLeonid Yegoshin select HAVE_KVM 13267fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 13277fd08ca5SLeonid Yegoshin help 13287fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 13297fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 13307fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 13317fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 13327fd08ca5SLeonid Yegoshin 13336e760c8dSRalf Baechleconfig CPU_MIPS64_R1 13346e760c8dSRalf Baechle bool "MIPS64 Release 1" 13357cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1336797798c1SRalf Baechle select CPU_HAS_PREFETCH 1337ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1338ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1339ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13409cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 13416e760c8dSRalf Baechle help 13426e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 13436e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13446e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13456e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13466e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13471e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 13481e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 13491e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 13501e5f1caaSRalf Baechle performance. 13511e5f1caaSRalf Baechle 13521e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 13531e5f1caaSRalf Baechle bool "MIPS64 Release 2" 13547cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1355797798c1SRalf Baechle select CPU_HAS_PREFETCH 13561e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 13571e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1358ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13599cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1360a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13611e5f1caaSRalf Baechle help 13621e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 13631e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13641e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13651e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13661e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13671da177e4SLinus Torvalds 13687fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 13697fd08ca5SLeonid Yegoshin bool "MIPS64 Release 6 (EXPERIMENTAL)" 13707fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 13717fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 13727fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 13737fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 13747fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 13757fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 13764e0748f5SMarkos Chandras select GENERIC_CSUM 13777fd08ca5SLeonid Yegoshin help 13787fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 13797fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 13807fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 13817fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 13827fd08ca5SLeonid Yegoshin 13831da177e4SLinus Torvaldsconfig CPU_R3000 13841da177e4SLinus Torvalds bool "R3000" 13857cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1386f7062ddbSRalf Baechle select CPU_HAS_WB 1387ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1388797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13891da177e4SLinus Torvalds help 13901da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 13911da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 13921da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 13931da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 13941da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 13951da177e4SLinus Torvalds try to recompile with R3000. 13961da177e4SLinus Torvalds 13971da177e4SLinus Torvaldsconfig CPU_TX39XX 13981da177e4SLinus Torvalds bool "R39XX" 13997cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1400ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 14011da177e4SLinus Torvalds 14021da177e4SLinus Torvaldsconfig CPU_VR41XX 14031da177e4SLinus Torvalds bool "R41xx" 14047cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1405ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1406ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14071da177e4SLinus Torvalds help 14085e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 14091da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 14101da177e4SLinus Torvalds kernel built with this option will not run on any other type of 14111da177e4SLinus Torvalds processor or vice versa. 14121da177e4SLinus Torvalds 14131da177e4SLinus Torvaldsconfig CPU_R4300 14141da177e4SLinus Torvalds bool "R4300" 14157cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1416ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1417ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14181da177e4SLinus Torvalds help 14191da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 14201da177e4SLinus Torvalds 14211da177e4SLinus Torvaldsconfig CPU_R4X00 14221da177e4SLinus Torvalds bool "R4x00" 14237cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1424ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1425ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1426970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14271da177e4SLinus Torvalds help 14281da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 14291da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 14301da177e4SLinus Torvalds 14311da177e4SLinus Torvaldsconfig CPU_TX49XX 14321da177e4SLinus Torvalds bool "R49XX" 14337cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1434de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1435ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1436ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1437970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14381da177e4SLinus Torvalds 14391da177e4SLinus Torvaldsconfig CPU_R5000 14401da177e4SLinus Torvalds bool "R5000" 14417cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1442ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1443ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1444970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14451da177e4SLinus Torvalds help 14461da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 14471da177e4SLinus Torvalds 14481da177e4SLinus Torvaldsconfig CPU_R5432 14491da177e4SLinus Torvalds bool "R5432" 14507cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 14515e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14525e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1453970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14541da177e4SLinus Torvalds 1455542c1020SShinya Kuribayashiconfig CPU_R5500 1456542c1020SShinya Kuribayashi bool "R5500" 1457542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1458542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1459542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 14609cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1461542c1020SShinya Kuribayashi help 1462542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1463542c1020SShinya Kuribayashi instruction set. 1464542c1020SShinya Kuribayashi 14651da177e4SLinus Torvaldsconfig CPU_R6000 14661da177e4SLinus Torvalds bool "R6000" 14677cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1468ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 14691da177e4SLinus Torvalds help 14701da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1471c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 14721da177e4SLinus Torvalds 14731da177e4SLinus Torvaldsconfig CPU_NEVADA 14741da177e4SLinus Torvalds bool "RM52xx" 14757cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1476ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1477ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1478970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14791da177e4SLinus Torvalds help 14801da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 14811da177e4SLinus Torvalds 14821da177e4SLinus Torvaldsconfig CPU_R8000 14831da177e4SLinus Torvalds bool "R8000" 14847cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 14855e83d430SRalf Baechle select CPU_HAS_PREFETCH 1486ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14871da177e4SLinus Torvalds help 14881da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 14891da177e4SLinus Torvalds uncommon and the support for them is incomplete. 14901da177e4SLinus Torvalds 14911da177e4SLinus Torvaldsconfig CPU_R10000 14921da177e4SLinus Torvalds bool "R10000" 14937cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 14945e83d430SRalf Baechle select CPU_HAS_PREFETCH 1495ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1496ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1497797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1498970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14991da177e4SLinus Torvalds help 15001da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 15011da177e4SLinus Torvalds 15021da177e4SLinus Torvaldsconfig CPU_RM7000 15031da177e4SLinus Torvalds bool "RM7000" 15047cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 15055e83d430SRalf Baechle select CPU_HAS_PREFETCH 1506ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1507ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1508797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1509970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15101da177e4SLinus Torvalds 15111da177e4SLinus Torvaldsconfig CPU_SB1 15121da177e4SLinus Torvalds bool "SB1" 15137cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1514ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1515ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1516797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1517970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15180004a9dfSRalf Baechle select WEAK_ORDERING 15191da177e4SLinus Torvalds 1520a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1521a86c7f72SDavid Daney bool "Cavium Octeon processor" 15225e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1523a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1524a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1525a86c7f72SDavid Daney select WEAK_ORDERING 1526a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 15279cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15289296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 1529930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1530a86c7f72SDavid Daney help 1531a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1532a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1533a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1534a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1535a86c7f72SDavid Daney 1536cd746249SJonas Gorskiconfig CPU_BMIPS 1537cd746249SJonas Gorski bool "Broadcom BMIPS" 1538cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1539cd746249SJonas Gorski select CPU_MIPS32 1540fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1541cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1542cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1543cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1544cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1545cd746249SJonas Gorski select DMA_NONCOHERENT 1546cd746249SJonas Gorski select IRQ_CPU 1547cd746249SJonas Gorski select SWAP_IO_SPACE 1548cd746249SJonas Gorski select WEAK_ORDERING 1549c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 155069aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1551c1c0c461SKevin Cernekee help 1552fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1553c1c0c461SKevin Cernekee 15547f058e85SJayachandran Cconfig CPU_XLR 15557f058e85SJayachandran C bool "Netlogic XLR SoC" 15567f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 15577f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 15587f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 15597f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1560970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15617f058e85SJayachandran C select WEAK_ORDERING 15627f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 15637f058e85SJayachandran C help 15647f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 15651c773ea4SJayachandran C 15661c773ea4SJayachandran Cconfig CPU_XLP 15671c773ea4SJayachandran C bool "Netlogic XLP SoC" 15681c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 15691c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 15701c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 15711c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 15721c773ea4SJayachandran C select WEAK_ORDERING 15731c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 15741c773ea4SJayachandran C select CPU_HAS_PREFETCH 1575d6504846SJayachandran C select CPU_MIPSR2 15761c773ea4SJayachandran C help 15771c773ea4SJayachandran C Netlogic Microsystems XLP processors. 15781da177e4SLinus Torvaldsendchoice 15791da177e4SLinus Torvalds 1580a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1581a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1582a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 15837fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1584a6e18781SLeonid Yegoshin help 1585a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1586a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1587a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1588a6e18781SLeonid Yegoshin 1589a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1590a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1591a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1592a6e18781SLeonid Yegoshin select EVA 1593a6e18781SLeonid Yegoshin default y 1594a6e18781SLeonid Yegoshin help 1595a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1596a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1597a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1598a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1599a6e18781SLeonid Yegoshin 1600622844bfSWu Zhangjinif CPU_LOONGSON2F 1601622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1602622844bfSWu Zhangjin bool 1603622844bfSWu Zhangjin 1604622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1605622844bfSWu Zhangjin bool 1606622844bfSWu Zhangjin 1607622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1608622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1609622844bfSWu Zhangjin default y 1610622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1611622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1612622844bfSWu Zhangjin help 1613622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1614622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1615622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1616622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1617622844bfSWu Zhangjin 1618622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1619622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1620622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1621622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1622622844bfSWu Zhangjin systems. 1623622844bfSWu Zhangjin 1624622844bfSWu Zhangjin If unsure, please say Y. 1625622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1626622844bfSWu Zhangjin 16271b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 16281b93b3c3SWu Zhangjin bool 16291b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 16301b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 163131c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 16321b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1633fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 16344e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 16351b93b3c3SWu Zhangjin 16361b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 16371b93b3c3SWu Zhangjin bool 16381b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 16391b93b3c3SWu Zhangjin 16403702bba5SWu Zhangjinconfig CPU_LOONGSON2 16413702bba5SWu Zhangjin bool 16423702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 16433702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 16443702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1645970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16463702bba5SWu Zhangjin 1647ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1648ca585cf9SKelvin Cheung bool 1649ca585cf9SKelvin Cheung select CPU_MIPS32 1650ca585cf9SKelvin Cheung select CPU_MIPSR2 1651ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1652ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1653ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1654f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1655ca585cf9SKelvin Cheung 1656fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 165704fa8bf7SJonas Gorski select SMP_UP if SMP 16581bbb6c1bSKevin Cernekee bool 1659cd746249SJonas Gorski 1660cd746249SJonas Gorskiconfig CPU_BMIPS4350 1661cd746249SJonas Gorski bool 1662cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1663cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1664cd746249SJonas Gorski 1665cd746249SJonas Gorskiconfig CPU_BMIPS4380 1666cd746249SJonas Gorski bool 1667bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1668cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1669cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1670cd746249SJonas Gorski 1671cd746249SJonas Gorskiconfig CPU_BMIPS5000 1672cd746249SJonas Gorski bool 1673cd746249SJonas Gorski select MIPS_CPU_SCACHE 1674bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1675cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1676cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 16771bbb6c1bSKevin Cernekee 16780e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 16790e476d91SHuacai Chen bool 16800e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 16810e476d91SHuacai Chen 16823702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 16832a21c730SFuxin Zhang bool 16842a21c730SFuxin Zhang 16856f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 16866f7a251aSWu Zhangjin bool 168755045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 168855045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 168922f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 16906f7a251aSWu Zhangjin 1691ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1692ca585cf9SKelvin Cheung bool 1693ca585cf9SKelvin Cheung 16947cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 16957cf8053bSRalf Baechle bool 16967cf8053bSRalf Baechle 16977cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 16987cf8053bSRalf Baechle bool 16997cf8053bSRalf Baechle 1700a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1701a6e18781SLeonid Yegoshin bool 1702a6e18781SLeonid Yegoshin 17037fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 17047fd08ca5SLeonid Yegoshin bool 17057fd08ca5SLeonid Yegoshin 17067cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 17077cf8053bSRalf Baechle bool 17087cf8053bSRalf Baechle 17097cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 17107cf8053bSRalf Baechle bool 17117cf8053bSRalf Baechle 17127fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 17137fd08ca5SLeonid Yegoshin bool 17147fd08ca5SLeonid Yegoshin 17157cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 17167cf8053bSRalf Baechle bool 17177cf8053bSRalf Baechle 17187cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 17197cf8053bSRalf Baechle bool 17207cf8053bSRalf Baechle 17217cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 17227cf8053bSRalf Baechle bool 17237cf8053bSRalf Baechle 17247cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 17257cf8053bSRalf Baechle bool 17267cf8053bSRalf Baechle 17277cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 17287cf8053bSRalf Baechle bool 17297cf8053bSRalf Baechle 17307cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 17317cf8053bSRalf Baechle bool 17327cf8053bSRalf Baechle 17337cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 17347cf8053bSRalf Baechle bool 17357cf8053bSRalf Baechle 17367cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 17377cf8053bSRalf Baechle bool 17387cf8053bSRalf Baechle 1739542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1740542c1020SShinya Kuribayashi bool 1741542c1020SShinya Kuribayashi 17427cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 17437cf8053bSRalf Baechle bool 17447cf8053bSRalf Baechle 17457cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 17467cf8053bSRalf Baechle bool 17477cf8053bSRalf Baechle 17487cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 17497cf8053bSRalf Baechle bool 17507cf8053bSRalf Baechle 17517cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 17527cf8053bSRalf Baechle bool 17537cf8053bSRalf Baechle 17547cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 17557cf8053bSRalf Baechle bool 17567cf8053bSRalf Baechle 17577cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 17587cf8053bSRalf Baechle bool 17597cf8053bSRalf Baechle 17605e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 17615e683389SDavid Daney bool 17625e683389SDavid Daney 1763cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1764c1c0c461SKevin Cernekee bool 1765c1c0c461SKevin Cernekee 1766fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1767c1c0c461SKevin Cernekee bool 1768cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1769c1c0c461SKevin Cernekee 1770c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1771c1c0c461SKevin Cernekee bool 1772cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1773c1c0c461SKevin Cernekee 1774c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1775c1c0c461SKevin Cernekee bool 1776cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1777c1c0c461SKevin Cernekee 1778c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1779c1c0c461SKevin Cernekee bool 1780cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1781c1c0c461SKevin Cernekee 17827f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 17837f058e85SJayachandran C bool 17847f058e85SJayachandran C 17851c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 17861c773ea4SJayachandran C bool 17871c773ea4SJayachandran C 1788b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1789b6911bbaSPaul Burton depends on MIPS_MALTA 1790b6911bbaSPaul Burton depends on PCI 1791b6911bbaSPaul Burton bool 1792b6911bbaSPaul Burton default y 1793b6911bbaSPaul Burton 179417099b11SRalf Baechle# 179517099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 179617099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 179717099b11SRalf Baechle# 17980004a9dfSRalf Baechleconfig WEAK_ORDERING 17990004a9dfSRalf Baechle bool 180017099b11SRalf Baechle 180117099b11SRalf Baechle# 180217099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 180317099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 180417099b11SRalf Baechle# 180517099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 180617099b11SRalf Baechle bool 18075e83d430SRalf Baechleendmenu 18085e83d430SRalf Baechle 18095e83d430SRalf Baechle# 18105e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 18115e83d430SRalf Baechle# 18125e83d430SRalf Baechleconfig CPU_MIPS32 18135e83d430SRalf Baechle bool 18147fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 18155e83d430SRalf Baechle 18165e83d430SRalf Baechleconfig CPU_MIPS64 18175e83d430SRalf Baechle bool 18187fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 18195e83d430SRalf Baechle 18205e83d430SRalf Baechle# 1821c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 18225e83d430SRalf Baechle# 18235e83d430SRalf Baechleconfig CPU_MIPSR1 18245e83d430SRalf Baechle bool 18255e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 18265e83d430SRalf Baechle 18275e83d430SRalf Baechleconfig CPU_MIPSR2 18285e83d430SRalf Baechle bool 1829a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1830a7e07b1aSMarkos Chandras select MIPS_SPRAM 18315e83d430SRalf Baechle 18327fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 18337fd08ca5SLeonid Yegoshin bool 18347fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 1835a7e07b1aSMarkos Chandras select MIPS_SPRAM 18365e83d430SRalf Baechle 1837a6e18781SLeonid Yegoshinconfig EVA 1838a6e18781SLeonid Yegoshin bool 1839a6e18781SLeonid Yegoshin 18405e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 18415e83d430SRalf Baechle bool 18425e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 18435e83d430SRalf Baechle bool 18445e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 18455e83d430SRalf Baechle bool 18465e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 18475e83d430SRalf Baechle bool 184855045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 184955045ff5SWu Zhangjin bool 185055045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 185155045ff5SWu Zhangjin bool 18529cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 18539cffd154SDavid Daney bool 185422f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 185522f1fdfdSWu Zhangjin bool 185682622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 185782622284SDavid Daney bool 1858d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 18595e83d430SRalf Baechle 18608192c9eaSDavid Daney# 18618192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 18628192c9eaSDavid Daney# 18638192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 18648192c9eaSDavid Daney bool 1865f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 18668192c9eaSDavid Daney 18675e83d430SRalf Baechlemenu "Kernel type" 18685e83d430SRalf Baechle 18695e83d430SRalf Baechlechoice 18705e83d430SRalf Baechle prompt "Kernel code model" 18715e83d430SRalf Baechle help 18725e83d430SRalf Baechle You should only select this option if you have a workload that 18735e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 18745e83d430SRalf Baechle large memory. You will only be presented a single option in this 18755e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 18765e83d430SRalf Baechle 18775e83d430SRalf Baechleconfig 32BIT 18785e83d430SRalf Baechle bool "32-bit kernel" 18795e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 18805e83d430SRalf Baechle select TRAD_SIGNALS 18815e83d430SRalf Baechle help 18825e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 18835e83d430SRalf Baechleconfig 64BIT 18845e83d430SRalf Baechle bool "64-bit kernel" 18855e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 18865e83d430SRalf Baechle help 18875e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 18885e83d430SRalf Baechle 18895e83d430SRalf Baechleendchoice 18905e83d430SRalf Baechle 18912235a54dSSanjay Lalconfig KVM_GUEST 18922235a54dSSanjay Lal bool "KVM Guest Kernel" 1893f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 18942235a54dSSanjay Lal help 18952235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 18962235a54dSSanjay Lal 1897eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1898eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 18992235a54dSSanjay Lal depends on KVM_GUEST 1900eda3d33cSJames Hogan default 100 19012235a54dSSanjay Lal help 1902eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 1903eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 1904eda3d33cSJames Hogan timer frequency is specified directly. 19052235a54dSSanjay Lal 19061da177e4SLinus Torvaldschoice 19071da177e4SLinus Torvalds prompt "Kernel page size" 19081da177e4SLinus Torvalds default PAGE_SIZE_4KB 19091da177e4SLinus Torvalds 19101da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 19111da177e4SLinus Torvalds bool "4kB" 19120e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 19131da177e4SLinus Torvalds help 19141da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 19151da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 19161da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 19171da177e4SLinus Torvalds recommended for low memory systems. 19181da177e4SLinus Torvalds 19191da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 19201da177e4SLinus Torvalds bool "8kB" 19217d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 19221da177e4SLinus Torvalds help 19231da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 19241da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1925c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1926c52399beSRalf Baechle suitable Linux distribution to support this. 19271da177e4SLinus Torvalds 19281da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 19291da177e4SLinus Torvalds bool "16kB" 1930714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 19311da177e4SLinus Torvalds help 19321da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 19331da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1934714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1935714bfad6SRalf Baechle Linux distribution to support this. 19361da177e4SLinus Torvalds 1937c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1938c52399beSRalf Baechle bool "32kB" 1939c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1940c52399beSRalf Baechle help 1941c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1942c52399beSRalf Baechle the price of higher memory consumption. This option is available 1943c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1944c52399beSRalf Baechle distribution to support this. 1945c52399beSRalf Baechle 19461da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 19471da177e4SLinus Torvalds bool "64kB" 19487d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 19491da177e4SLinus Torvalds help 19501da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 19511da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 19521da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1953714bfad6SRalf Baechle writing this option is still high experimental. 19541da177e4SLinus Torvalds 19551da177e4SLinus Torvaldsendchoice 19561da177e4SLinus Torvalds 1957c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 1958c9bace7cSDavid Daney int "Maximum zone order" 1959e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1960e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1961e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1962e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1963e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1964e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1965c9bace7cSDavid Daney range 11 64 1966c9bace7cSDavid Daney default "11" 1967c9bace7cSDavid Daney help 1968c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 1969c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 1970c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 1971c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 1972c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 1973c9bace7cSDavid Daney increase this value. 1974c9bace7cSDavid Daney 1975c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 1976c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 1977c9bace7cSDavid Daney 1978c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 1979c9bace7cSDavid Daney when choosing a value for this option. 1980c9bace7cSDavid Daney 19811da177e4SLinus Torvaldsconfig BOARD_SCACHE 19821da177e4SLinus Torvalds bool 19831da177e4SLinus Torvalds 19841da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 19851da177e4SLinus Torvalds bool 19861da177e4SLinus Torvalds select BOARD_SCACHE 19871da177e4SLinus Torvalds 19889318c51aSChris Dearman# 19899318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 19909318c51aSChris Dearman# 19919318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 19929318c51aSChris Dearman bool 19939318c51aSChris Dearman select BOARD_SCACHE 19949318c51aSChris Dearman 19951da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 19961da177e4SLinus Torvalds bool 19971da177e4SLinus Torvalds select BOARD_SCACHE 19981da177e4SLinus Torvalds 19991da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 20001da177e4SLinus Torvalds bool 20011da177e4SLinus Torvalds select BOARD_SCACHE 20021da177e4SLinus Torvalds 20031da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 20041da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 20051da177e4SLinus Torvalds depends on CPU_SB1 20061da177e4SLinus Torvalds help 20071da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 20081da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 20091da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 20101da177e4SLinus Torvalds 20111da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2012c8094b53SRalf Baechle bool 20131da177e4SLinus Torvalds 20143165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 20153165c846SFlorian Fainelli bool 20163165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 20173165c846SFlorian Fainelli 201891405eb6SFlorian Fainelliconfig CPU_R4K_FPU 201991405eb6SFlorian Fainelli bool 202091405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 202191405eb6SFlorian Fainelli 202262cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 202362cedc4fSFlorian Fainelli bool 202462cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 202562cedc4fSFlorian Fainelli 202659d6ab86SRalf Baechleconfig MIPS_MT_SMP 2027a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 202859d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 202959d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2030d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2031c080faa5SSteven J. Hill select SYNC_R4K 20320c2cb004SPaul Burton select MIPS_GIC_IPI 203359d6ab86SRalf Baechle select MIPS_MT 203459d6ab86SRalf Baechle select SMP 203587353d8aSRalf Baechle select SMP_UP 2036c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2037c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2038399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 203959d6ab86SRalf Baechle help 2040c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2041c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2042c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2043c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2044c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 204559d6ab86SRalf Baechle 2046f41ae0b2SRalf Baechleconfig MIPS_MT 2047f41ae0b2SRalf Baechle bool 2048f41ae0b2SRalf Baechle 20490ab7aefcSRalf Baechleconfig SCHED_SMT 20500ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 20510ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 20520ab7aefcSRalf Baechle default n 20530ab7aefcSRalf Baechle help 20540ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 20550ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 20560ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 20570ab7aefcSRalf Baechle 20580ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 20590ab7aefcSRalf Baechle bool 20600ab7aefcSRalf Baechle 2061f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2062f41ae0b2SRalf Baechle bool 2063f41ae0b2SRalf Baechle 2064f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2065f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2066f088fc84SRalf Baechle default y 2067b633648cSRalf Baechle depends on MIPS_MT_SMP 206807cc0c9eSRalf Baechle 2069b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2070b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 2071b0a668fbSLeonid Yegoshin depends on CPU_MIPSR6 && !SMP 2072b0a668fbSLeonid Yegoshin default y 2073b0a668fbSLeonid Yegoshin help 2074b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2075b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 2076b0a668fbSLeonid Yegoshin default. You can enable it using the 'mipsr2emul' kernel option. 2077b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2078b0a668fbSLeonid Yegoshin final kernel image. 2079b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels" 2080b0a668fbSLeonid Yegoshin depends on SMP && CPU_MIPSR6 2081b0a668fbSLeonid Yegoshin 208207cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 208307cc0c9eSRalf Baechle bool "VPE loader support." 2084704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 208507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 208607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 208707cc0c9eSRalf Baechle select MIPS_MT 208807cc0c9eSRalf Baechle help 208907cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 209007cc0c9eSRalf Baechle onto another VPE and running it. 2091f088fc84SRalf Baechle 209217a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 209317a1d523SDeng-Cheng Zhu bool 209417a1d523SDeng-Cheng Zhu default "y" 209517a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 209617a1d523SDeng-Cheng Zhu 20971a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 20981a2a6d7eSDeng-Cheng Zhu bool 20991a2a6d7eSDeng-Cheng Zhu default "y" 21001a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 21011a2a6d7eSDeng-Cheng Zhu 2102e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2103e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2104e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2105e01402b1SRalf Baechle default y 2106e01402b1SRalf Baechle help 2107e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2108e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2109e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2110e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2111e01402b1SRalf Baechle 2112e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2113e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2114e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 21155e83d430SRalf Baechle help 2116e01402b1SRalf Baechle 2117da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2118da615cf6SDeng-Cheng Zhu bool 2119da615cf6SDeng-Cheng Zhu default "y" 2120da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2121da615cf6SDeng-Cheng Zhu 21222c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 21232c973ef0SDeng-Cheng Zhu bool 21242c973ef0SDeng-Cheng Zhu default "y" 21252c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 21262c973ef0SDeng-Cheng Zhu 21274a16ff4cSRalf Baechleconfig MIPS_CMP 21285cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 2129b633648cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 213072e20142SPaul Burton select MIPS_GIC_IPI 2131b10b43baSMarkos Chandras select SMP 2132eb9b5141STim Anderson select SYNC_R4K 2133b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 21344a16ff4cSRalf Baechle select WEAK_ORDERING 21354a16ff4cSRalf Baechle default n 21364a16ff4cSRalf Baechle help 2137044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2138044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2139044505c7SPaul Burton its ability to start secondary CPUs. 21404a16ff4cSRalf Baechle 21415cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 21425cac93b3SPaul Burton instead of this. 21435cac93b3SPaul Burton 21440ee958e1SPaul Burtonconfig MIPS_CPS 21450ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 21460ee958e1SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 21470ee958e1SPaul Burton select MIPS_CM 21480ee958e1SPaul Burton select MIPS_CPC 21491d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 21500ee958e1SPaul Burton select MIPS_GIC_IPI 21510ee958e1SPaul Burton select SMP 21520ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 21531d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 21540ee958e1SPaul Burton select SYS_SUPPORTS_SMP 21550ee958e1SPaul Burton select WEAK_ORDERING 21560ee958e1SPaul Burton help 21570ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 21580ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 21590ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 21600ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 21610ee958e1SPaul Burton support is unavailable. 21620ee958e1SPaul Burton 21633179d37eSPaul Burtonconfig MIPS_CPS_PM 216439a59593SMarkos Chandras depends on MIPS_CPS 2165a8b84677SPaul Burton select MIPS_CPC 21663179d37eSPaul Burton bool 21673179d37eSPaul Burton 216872e20142SPaul Burtonconfig MIPS_GIC_IPI 216972e20142SPaul Burton bool 217072e20142SPaul Burton 21719f98f3ddSPaul Burtonconfig MIPS_CM 21729f98f3ddSPaul Burton bool 21739f98f3ddSPaul Burton 21749c38cf44SPaul Burtonconfig MIPS_CPC 21759c38cf44SPaul Burton bool 21762600990eSRalf Baechle 21771da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 21781da177e4SLinus Torvalds bool 21791da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 21801da177e4SLinus Torvalds default y 21811da177e4SLinus Torvalds 21821da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 21831da177e4SLinus Torvalds bool 21841da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 21851da177e4SLinus Torvalds default y 21861da177e4SLinus Torvalds 21871da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 21881da177e4SLinus Torvalds bool 21891da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 21901da177e4SLinus Torvalds default y 21911da177e4SLinus Torvalds 21922235a54dSSanjay Lal 219360ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 219434adb28dSRalf Baechle bool 219560ec6571Spascal@pabr.org 21969e2b5372SMarkos Chandraschoice 21979e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 21989e2b5372SMarkos Chandras 21999e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 22009e2b5372SMarkos Chandras bool "None" 22019e2b5372SMarkos Chandras help 22029e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 22039e2b5372SMarkos Chandras 22049693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 22059693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 22069e2b5372SMarkos Chandras bool "SmartMIPS" 22079693a853SFranck Bui-Huu help 22089693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 22099693a853SFranck Bui-Huu increased security at both hardware and software level for 22109693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 22119693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 22129693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 22139693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 22149693a853SFranck Bui-Huu here. 22159693a853SFranck Bui-Huu 2216bce86083SSteven J. Hillconfig CPU_MICROMIPS 22177fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 22189e2b5372SMarkos Chandras bool "microMIPS" 2219bce86083SSteven J. Hill help 2220bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2221bce86083SSteven J. Hill microMIPS ISA 2222bce86083SSteven J. Hill 22239e2b5372SMarkos Chandrasendchoice 22249e2b5372SMarkos Chandras 2225a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 22264af94d5dSPaul Burton bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" 2227a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 22282a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2229a5e9a69eSPaul Burton help 2230a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2231a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 22321db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 22331db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 22341db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 22351db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 22361db1af84SPaul Burton the size & complexity of your kernel. 2237a5e9a69eSPaul Burton 2238a5e9a69eSPaul Burton If unsure, say Y. 2239a5e9a69eSPaul Burton 22401da177e4SLinus Torvaldsconfig CPU_HAS_WB 2241f7062ddbSRalf Baechle bool 2242e01402b1SRalf Baechle 2243df0ac8a4SKevin Cernekeeconfig XKS01 2244df0ac8a4SKevin Cernekee bool 2245df0ac8a4SKevin Cernekee 2246f41ae0b2SRalf Baechle# 2247f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2248f41ae0b2SRalf Baechle# 2249e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2250f41ae0b2SRalf Baechle bool 2251e01402b1SRalf Baechle 2252f41ae0b2SRalf Baechle# 2253f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2254f41ae0b2SRalf Baechle# 2255e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2256f41ae0b2SRalf Baechle bool 2257e01402b1SRalf Baechle 22581da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 22591da177e4SLinus Torvalds bool 22601da177e4SLinus Torvalds depends on !CPU_R3000 22611da177e4SLinus Torvalds default y 22621da177e4SLinus Torvalds 22631da177e4SLinus Torvalds# 226420d60d99SMaciej W. Rozycki# CPU non-features 226520d60d99SMaciej W. Rozycki# 226620d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 226720d60d99SMaciej W. Rozycki bool 226820d60d99SMaciej W. Rozycki 226920d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 227020d60d99SMaciej W. Rozycki bool 227120d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 227220d60d99SMaciej W. Rozycki 227320d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 227420d60d99SMaciej W. Rozycki bool 227520d60d99SMaciej W. Rozycki 227620d60d99SMaciej W. Rozycki# 22771da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 22781da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 22791da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 22801da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 22811da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 22821da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 22831da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 22841da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2285797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2286797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2287797798c1SRalf Baechle# support. 22881da177e4SLinus Torvalds# 22891da177e4SLinus Torvaldsconfig HIGHMEM 22901da177e4SLinus Torvalds bool "High Memory Support" 2291a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2292797798c1SRalf Baechle 2293797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2294797798c1SRalf Baechle bool 2295797798c1SRalf Baechle 2296797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2297797798c1SRalf Baechle bool 22981da177e4SLinus Torvalds 22999693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 23009693a853SFranck Bui-Huu bool 23019693a853SFranck Bui-Huu 2302a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2303a6a4834cSSteven J. Hill bool 2304a6a4834cSSteven J. Hill 2305377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2306377cb1b6SRalf Baechle bool 2307377cb1b6SRalf Baechle help 2308377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2309377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2310377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2311377cb1b6SRalf Baechle 2312a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2313a5e9a69eSPaul Burton bool 2314a5e9a69eSPaul Burton 2315b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2316b4819b59SYoichi Yuasa def_bool y 2317f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2318b4819b59SYoichi Yuasa 2319d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2320d8cb4e11SRalf Baechle bool 2321d8cb4e11SRalf Baechle default y if SGI_IP27 2322d8cb4e11SRalf Baechle help 23233dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2324d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2325d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2326d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2327d8cb4e11SRalf Baechle 2328b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2329b1c6cd42SAtsushi Nemoto bool 23307de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 233131473747SAtsushi Nemoto 2332d8cb4e11SRalf Baechleconfig NUMA 2333d8cb4e11SRalf Baechle bool "NUMA Support" 2334d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2335d8cb4e11SRalf Baechle help 2336d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2337d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2338d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2339d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2340d8cb4e11SRalf Baechle disabled. 2341d8cb4e11SRalf Baechle 2342d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2343d8cb4e11SRalf Baechle bool 2344d8cb4e11SRalf Baechle 2345c80d79d7SYasunori Gotoconfig NODES_SHIFT 2346c80d79d7SYasunori Goto int 2347c80d79d7SYasunori Goto default "6" 2348c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2349c80d79d7SYasunori Goto 235014f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 235114f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2352b633648cSRalf Baechle depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) 235314f70012SDeng-Cheng Zhu default y 235414f70012SDeng-Cheng Zhu help 235514f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 235614f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 235714f70012SDeng-Cheng Zhu 2358b4819b59SYoichi Yuasasource "mm/Kconfig" 2359b4819b59SYoichi Yuasa 23601da177e4SLinus Torvaldsconfig SMP 23611da177e4SLinus Torvalds bool "Multi-Processing support" 2362e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2363e73ea273SRalf Baechle help 23641da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 23654a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 23664a474157SRobert Graffham than one CPU, say Y. 23671da177e4SLinus Torvalds 23684a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 23691da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 23701da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 23714a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 23721da177e4SLinus Torvalds will run faster if you say N here. 23731da177e4SLinus Torvalds 23741da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 23751da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 23761da177e4SLinus Torvalds 237703502faaSAdrian Bunk See also the SMP-HOWTO available at 237803502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 23791da177e4SLinus Torvalds 23801da177e4SLinus Torvalds If you don't know what to do here, say N. 23811da177e4SLinus Torvalds 238287353d8aSRalf Baechleconfig SMP_UP 238387353d8aSRalf Baechle bool 238487353d8aSRalf Baechle 23854a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 23864a16ff4cSRalf Baechle bool 23874a16ff4cSRalf Baechle 23880ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 23890ee958e1SPaul Burton bool 23900ee958e1SPaul Burton 2391e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2392e73ea273SRalf Baechle bool 2393e73ea273SRalf Baechle 2394130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2395130e2fb7SRalf Baechle bool 2396130e2fb7SRalf Baechle 2397130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2398130e2fb7SRalf Baechle bool 2399130e2fb7SRalf Baechle 2400130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2401130e2fb7SRalf Baechle bool 2402130e2fb7SRalf Baechle 2403130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2404130e2fb7SRalf Baechle bool 2405130e2fb7SRalf Baechle 2406130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2407130e2fb7SRalf Baechle bool 2408130e2fb7SRalf Baechle 24091da177e4SLinus Torvaldsconfig NR_CPUS 2410a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2411a91796a9SJayachandran C range 2 256 24121da177e4SLinus Torvalds depends on SMP 2413130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2414130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2415130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2416130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2417130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 24181da177e4SLinus Torvalds help 24191da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 24201da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 24211da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 242272ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 242372ede9b1SAtsushi Nemoto and 2 for all others. 24241da177e4SLinus Torvalds 24251da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 242672ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 242772ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 242872ede9b1SAtsushi Nemoto power of two. 24291da177e4SLinus Torvalds 2430399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2431399aaa25SAl Cooper bool 2432399aaa25SAl Cooper 24331723b4a3SAtsushi Nemoto# 24341723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 24351723b4a3SAtsushi Nemoto# 24361723b4a3SAtsushi Nemoto 24371723b4a3SAtsushi Nemotochoice 24381723b4a3SAtsushi Nemoto prompt "Timer frequency" 24391723b4a3SAtsushi Nemoto default HZ_250 24401723b4a3SAtsushi Nemoto help 24411723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 24421723b4a3SAtsushi Nemoto 24431723b4a3SAtsushi Nemoto config HZ_48 24440f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 24451723b4a3SAtsushi Nemoto 24461723b4a3SAtsushi Nemoto config HZ_100 24471723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 24481723b4a3SAtsushi Nemoto 24491723b4a3SAtsushi Nemoto config HZ_128 24501723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 24511723b4a3SAtsushi Nemoto 24521723b4a3SAtsushi Nemoto config HZ_250 24531723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 24541723b4a3SAtsushi Nemoto 24551723b4a3SAtsushi Nemoto config HZ_256 24561723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 24571723b4a3SAtsushi Nemoto 24581723b4a3SAtsushi Nemoto config HZ_1000 24591723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 24601723b4a3SAtsushi Nemoto 24611723b4a3SAtsushi Nemoto config HZ_1024 24621723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 24631723b4a3SAtsushi Nemoto 24641723b4a3SAtsushi Nemotoendchoice 24651723b4a3SAtsushi Nemoto 24661723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 24671723b4a3SAtsushi Nemoto bool 24681723b4a3SAtsushi Nemoto 24691723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 24701723b4a3SAtsushi Nemoto bool 24711723b4a3SAtsushi Nemoto 24721723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 24731723b4a3SAtsushi Nemoto bool 24741723b4a3SAtsushi Nemoto 24751723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 24761723b4a3SAtsushi Nemoto bool 24771723b4a3SAtsushi Nemoto 24781723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 24791723b4a3SAtsushi Nemoto bool 24801723b4a3SAtsushi Nemoto 24811723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 24821723b4a3SAtsushi Nemoto bool 24831723b4a3SAtsushi Nemoto 24841723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 24851723b4a3SAtsushi Nemoto bool 24861723b4a3SAtsushi Nemoto 24871723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 24881723b4a3SAtsushi Nemoto bool 24891723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 24901723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 24911723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 24921723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 24931723b4a3SAtsushi Nemoto 24941723b4a3SAtsushi Nemotoconfig HZ 24951723b4a3SAtsushi Nemoto int 24961723b4a3SAtsushi Nemoto default 48 if HZ_48 24971723b4a3SAtsushi Nemoto default 100 if HZ_100 24981723b4a3SAtsushi Nemoto default 128 if HZ_128 24991723b4a3SAtsushi Nemoto default 250 if HZ_250 25001723b4a3SAtsushi Nemoto default 256 if HZ_256 25011723b4a3SAtsushi Nemoto default 1000 if HZ_1000 25021723b4a3SAtsushi Nemoto default 1024 if HZ_1024 25031723b4a3SAtsushi Nemoto 2504e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 25051da177e4SLinus Torvalds 2506ea6e942bSAtsushi Nemotoconfig KEXEC 25077d60717eSKees Cook bool "Kexec system call" 2508ea6e942bSAtsushi Nemoto help 2509ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2510ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 25113dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2512ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2513ea6e942bSAtsushi Nemoto 251401dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2515ea6e942bSAtsushi Nemoto 2516ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2517ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2518bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2519bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2520bf220695SGeert Uytterhoeven made. 2521ea6e942bSAtsushi Nemoto 25227aa1c8f4SRalf Baechleconfig CRASH_DUMP 25237aa1c8f4SRalf Baechle bool "Kernel crash dumps" 25247aa1c8f4SRalf Baechle help 25257aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 25267aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 25277aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 25287aa1c8f4SRalf Baechle a specially reserved region and then later executed after 25297aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 25307aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 25317aa1c8f4SRalf Baechle PHYSICAL_START. 25327aa1c8f4SRalf Baechle 25337aa1c8f4SRalf Baechleconfig PHYSICAL_START 25347aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 25357aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 25367aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 25377aa1c8f4SRalf Baechle depends on CRASH_DUMP 25387aa1c8f4SRalf Baechle help 25397aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 25407aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 25417aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 25427aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 25437aa1c8f4SRalf Baechle passed to the panic-ed kernel). 25447aa1c8f4SRalf Baechle 2545ea6e942bSAtsushi Nemotoconfig SECCOMP 2546ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2547293c5bd1SRalf Baechle depends on PROC_FS 2548ea6e942bSAtsushi Nemoto default y 2549ea6e942bSAtsushi Nemoto help 2550ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2551ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2552ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2553ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2554ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2555ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2556ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2557ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2558ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2559ea6e942bSAtsushi Nemoto 2560ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2561ea6e942bSAtsushi Nemoto 2562597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 256306e2e882SPaul Burton bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" 2564597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2565597ce172SPaul Burton help 2566597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2567597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2568597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2569597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2570597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2571597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2572597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2573597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2574597ce172SPaul Burton saying N here. 2575597ce172SPaul Burton 257606e2e882SPaul Burton Although binutils currently supports use of this flag the details 257706e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 257806e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 257906e2e882SPaul Burton behaviour before the details have been finalised, this option should 258006e2e882SPaul Burton be considered experimental and only enabled by those working upon 258106e2e882SPaul Burton said details. 258206e2e882SPaul Burton 258306e2e882SPaul Burton If unsure, say N. 2584597ce172SPaul Burton 2585f2ffa5abSDezhong Diaoconfig USE_OF 25860b3e06fdSJonas Gorski bool 2587f2ffa5abSDezhong Diao select OF 2588e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2589abd2363fSGrant Likely select IRQ_DOMAIN 2590f2ffa5abSDezhong Diao 25917fafb068SAndrew Brestickerconfig BUILTIN_DTB 25927fafb068SAndrew Bresticker bool 25937fafb068SAndrew Bresticker 25945e83d430SRalf Baechleendmenu 25955e83d430SRalf Baechle 25961df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 25971df0f0ffSAtsushi Nemoto bool 25981df0f0ffSAtsushi Nemoto default y 25991df0f0ffSAtsushi Nemoto 26001df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 26011df0f0ffSAtsushi Nemoto bool 26021df0f0ffSAtsushi Nemoto default y 26031df0f0ffSAtsushi Nemoto 2604b6c3539bSRalf Baechlesource "init/Kconfig" 2605b6c3539bSRalf Baechle 2606dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2607dc52ddc0SMatt Helsley 26081da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 26091da177e4SLinus Torvalds 26105e83d430SRalf Baechleconfig HW_HAS_EISA 26115e83d430SRalf Baechle bool 26121da177e4SLinus Torvaldsconfig HW_HAS_PCI 26131da177e4SLinus Torvalds bool 26141da177e4SLinus Torvalds 26151da177e4SLinus Torvaldsconfig PCI 26161da177e4SLinus Torvalds bool "Support for PCI controller" 26171da177e4SLinus Torvalds depends on HW_HAS_PCI 2618abb4ae46SRalf Baechle select PCI_DOMAINS 26190f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 26201da177e4SLinus Torvalds help 26211da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 26221da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 26231da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 26241da177e4SLinus Torvalds say Y, otherwise N. 26251da177e4SLinus Torvalds 26260e476d91SHuacai Chenconfig HT_PCI 26270e476d91SHuacai Chen bool "Support for HT-linked PCI" 26280e476d91SHuacai Chen default y 26290e476d91SHuacai Chen depends on CPU_LOONGSON3 26300e476d91SHuacai Chen select PCI 26310e476d91SHuacai Chen select PCI_DOMAINS 26320e476d91SHuacai Chen help 26330e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 26340e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 26350e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 26360e476d91SHuacai Chen 26371da177e4SLinus Torvaldsconfig PCI_DOMAINS 26381da177e4SLinus Torvalds bool 26391da177e4SLinus Torvalds 26401da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 26411da177e4SLinus Torvalds 26423f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 26433f787ca4SJonas Gorski 26441da177e4SLinus Torvalds# 26451da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 26461da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 26471da177e4SLinus Torvalds# users to choose the right thing ... 26481da177e4SLinus Torvalds# 26491da177e4SLinus Torvaldsconfig ISA 26501da177e4SLinus Torvalds bool 26511da177e4SLinus Torvalds 26521da177e4SLinus Torvaldsconfig EISA 26531da177e4SLinus Torvalds bool "EISA support" 26545e83d430SRalf Baechle depends on HW_HAS_EISA 26551da177e4SLinus Torvalds select ISA 2656aa414dffSRalf Baechle select GENERIC_ISA_DMA 26571da177e4SLinus Torvalds ---help--- 26581da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 26591da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 26601da177e4SLinus Torvalds 26611da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 26621da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 26631da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 26641da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 26651da177e4SLinus Torvalds 26661da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 26671da177e4SLinus Torvalds 26681da177e4SLinus Torvalds Otherwise, say N. 26691da177e4SLinus Torvalds 26701da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 26711da177e4SLinus Torvalds 26721da177e4SLinus Torvaldsconfig TC 26731da177e4SLinus Torvalds bool "TURBOchannel support" 26741da177e4SLinus Torvalds depends on MACH_DECSTATION 26751da177e4SLinus Torvalds help 267650a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 267750a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 267850a23e6eSJustin P. Mattock at: 267950a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 268050a23e6eSJustin P. Mattock and: 268150a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 268250a23e6eSJustin P. Mattock Linux driver support status is documented at: 268350a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 26841da177e4SLinus Torvalds 26851da177e4SLinus Torvaldsconfig MMU 26861da177e4SLinus Torvalds bool 26871da177e4SLinus Torvalds default y 26881da177e4SLinus Torvalds 2689d865bea4SRalf Baechleconfig I8253 2690d865bea4SRalf Baechle bool 2691798778b8SRussell King select CLKSRC_I8253 26922d02612fSThomas Gleixner select CLKEVT_I8253 26939726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2694d865bea4SRalf Baechle 2695e05eb3f8SRalf Baechleconfig ZONE_DMA 2696e05eb3f8SRalf Baechle bool 2697e05eb3f8SRalf Baechle 2698cce335aeSRalf Baechleconfig ZONE_DMA32 2699cce335aeSRalf Baechle bool 2700cce335aeSRalf Baechle 27011da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 27021da177e4SLinus Torvalds 27031da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 27041da177e4SLinus Torvalds 2705388b78adSAlexandre Bounineconfig RAPIDIO 270656abde72SAlexandre Bounine tristate "RapidIO support" 2707388b78adSAlexandre Bounine depends on PCI 2708388b78adSAlexandre Bounine default n 2709388b78adSAlexandre Bounine help 2710388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2711388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2712388b78adSAlexandre Bounine 2713388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2714388b78adSAlexandre Bounine 27151da177e4SLinus Torvaldsendmenu 27161da177e4SLinus Torvalds 27171da177e4SLinus Torvaldsmenu "Executable file formats" 27181da177e4SLinus Torvalds 27191da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 27201da177e4SLinus Torvalds 27211da177e4SLinus Torvaldsconfig TRAD_SIGNALS 27221da177e4SLinus Torvalds bool 27231da177e4SLinus Torvalds 27241da177e4SLinus Torvaldsconfig MIPS32_COMPAT 272578aaf956SRalf Baechle bool 27261da177e4SLinus Torvalds 27271da177e4SLinus Torvaldsconfig COMPAT 27281da177e4SLinus Torvalds bool 27291da177e4SLinus Torvalds 273005e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 273105e43966SAtsushi Nemoto bool 273205e43966SAtsushi Nemoto 27331da177e4SLinus Torvaldsconfig MIPS32_O32 27341da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 273578aaf956SRalf Baechle depends on 64BIT 273678aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 273778aaf956SRalf Baechle select COMPAT 273878aaf956SRalf Baechle select MIPS32_COMPAT 273978aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 27401da177e4SLinus Torvalds help 27411da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 27421da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 27431da177e4SLinus Torvalds existing binaries are in this format. 27441da177e4SLinus Torvalds 27451da177e4SLinus Torvalds If unsure, say Y. 27461da177e4SLinus Torvalds 27471da177e4SLinus Torvaldsconfig MIPS32_N32 27481da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 2749c22eacfeSRalf Baechle depends on 64BIT 275078aaf956SRalf Baechle select COMPAT 275178aaf956SRalf Baechle select MIPS32_COMPAT 275278aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 27531da177e4SLinus Torvalds help 27541da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 27551da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 27561da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 27571da177e4SLinus Torvalds cases. 27581da177e4SLinus Torvalds 27591da177e4SLinus Torvalds If unsure, say N. 27601da177e4SLinus Torvalds 27611da177e4SLinus Torvaldsconfig BINFMT_ELF32 27621da177e4SLinus Torvalds bool 27631da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 27641da177e4SLinus Torvalds 27652116245eSRalf Baechleendmenu 27661da177e4SLinus Torvalds 27672116245eSRalf Baechlemenu "Power management options" 2768952fa954SRodolfo Giometti 2769363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2770363c55caSWu Zhangjin def_bool y 27713f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2772363c55caSWu Zhangjin 2773f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2774f4cb5700SJohannes Berg def_bool y 27753f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2776f4cb5700SJohannes Berg 27772116245eSRalf Baechlesource "kernel/power/Kconfig" 2778952fa954SRodolfo Giometti 27791da177e4SLinus Torvaldsendmenu 27801da177e4SLinus Torvalds 27817a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 27827a998935SViresh Kumar bool 27837a998935SViresh Kumar 27847a998935SViresh Kumarmenu "CPU Power Management" 2785c095ebafSPaul Burton 2786c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 27877a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 27887a998935SViresh Kumarendif 27899726b43aSWu Zhangjin 2790c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2791c095ebafSPaul Burton 2792c095ebafSPaul Burtonendmenu 2793c095ebafSPaul Burton 2794d5950b43SSam Ravnborgsource "net/Kconfig" 2795d5950b43SSam Ravnborg 27961da177e4SLinus Torvaldssource "drivers/Kconfig" 27971da177e4SLinus Torvalds 279898cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 279998cdee0eSRalf Baechle 28001da177e4SLinus Torvaldssource "fs/Kconfig" 28011da177e4SLinus Torvalds 28021da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 28031da177e4SLinus Torvalds 28041da177e4SLinus Torvaldssource "security/Kconfig" 28051da177e4SLinus Torvalds 28061da177e4SLinus Torvaldssource "crypto/Kconfig" 28071da177e4SLinus Torvalds 28081da177e4SLinus Torvaldssource "lib/Kconfig" 28092235a54dSSanjay Lal 28102235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2811