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 57*d79d853dSMarkos 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 3807cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 3815d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 3827cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3837cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 384ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 385ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3865e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3875e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 388424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 3890365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 390e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 391377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 392f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 3939693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 3941b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 3951da177e4SLinus Torvalds help 396f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 3971da177e4SLinus Torvalds board. 3981da177e4SLinus Torvalds 399ec47b274SSteven J. Hillconfig MIPS_SEAD3 400ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 401ec47b274SSteven J. Hill select BOOT_ELF32 402ec47b274SSteven J. Hill select BOOT_RAW 403f262b5f2SAndrew Bresticker select BUILTIN_DTB 404ec47b274SSteven J. Hill select CEVT_R4K 405ec47b274SSteven J. Hill select CSRC_R4K 406fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 407ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 408ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 409ec47b274SSteven J. Hill select DMA_NONCOHERENT 410ec47b274SSteven J. Hill select IRQ_CPU 4118a19b8f1SAndrew Bresticker select MIPS_GIC 41244327236SQais Yousef select LIBFDT 413ec47b274SSteven J. Hill select MIPS_MSC 414ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 415ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 416ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 417ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 418ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 419ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 420ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 421ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 422ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 423a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 424377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 425ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 426ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 4279b731009SSteven J. Hill select USE_OF 428ec47b274SSteven J. Hill help 429ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 430ec47b274SSteven J. Hill board. 431ec47b274SSteven J. Hill 432a83860c2SRalf Baechleconfig NEC_MARKEINS 433a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 434a83860c2SRalf Baechle select SOC_EMMA2RH 435a83860c2SRalf Baechle select HW_HAS_PCI 436a83860c2SRalf Baechle help 437a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 438ade299d8SYoichi Yuasa 4395e83d430SRalf Baechleconfig MACH_VR41XX 44074142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 44142f77542SRalf Baechle select CEVT_R4K 442940f6b48SRalf Baechle select CSRC_R4K 4437cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 444377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 44527fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 4465e83d430SRalf Baechle 447edb6310aSDaniel Lairdconfig NXP_STB220 448edb6310aSDaniel Laird bool "NXP STB220 board" 449edb6310aSDaniel Laird select SOC_PNX833X 450edb6310aSDaniel Laird help 451edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 452edb6310aSDaniel Laird 453edb6310aSDaniel Lairdconfig NXP_STB225 454edb6310aSDaniel Laird bool "NXP 225 board" 455edb6310aSDaniel Laird select SOC_PNX833X 456edb6310aSDaniel Laird select SOC_PNX8335 457edb6310aSDaniel Laird help 458edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 459edb6310aSDaniel Laird 4609267a30dSMarc St-Jeanconfig PMC_MSP 4619267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 46239d30c13SAnoop P A select CEVT_R4K 46339d30c13SAnoop P A select CSRC_R4K 4649267a30dSMarc St-Jean select DMA_NONCOHERENT 4659267a30dSMarc St-Jean select SWAP_IO_SPACE 4669267a30dSMarc St-Jean select NO_EXCEPT_FILL 4679267a30dSMarc St-Jean select BOOT_RAW 4689267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 4699267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 4709267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 4719267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 472377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 4739267a30dSMarc St-Jean select IRQ_CPU 4749267a30dSMarc St-Jean select SERIAL_8250 4759267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 4769296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 4779296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 4789267a30dSMarc St-Jean help 4799267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 4809267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 4819267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 4829267a30dSMarc St-Jean a variety of MIPS cores. 4839267a30dSMarc St-Jean 484ae2b5bb6SJohn Crispinconfig RALINK 485ae2b5bb6SJohn Crispin bool "Ralink based machines" 486ae2b5bb6SJohn Crispin select CEVT_R4K 487ae2b5bb6SJohn Crispin select CSRC_R4K 488ae2b5bb6SJohn Crispin select BOOT_RAW 489ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 490ae2b5bb6SJohn Crispin select IRQ_CPU 491ae2b5bb6SJohn Crispin select USE_OF 492ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 493ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 494ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 495ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 496377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 497ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 498ae2b5bb6SJohn Crispin select HAVE_MACH_CLKDEV 499ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 5002a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 5012a153f1cSJohn Crispin select RESET_CONTROLLER 502ae2b5bb6SJohn Crispin 5031da177e4SLinus Torvaldsconfig SGI_IP22 5043fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 5050e2794b0SRalf Baechle select FW_ARC 5060e2794b0SRalf Baechle select FW_ARC32 5071da177e4SLinus Torvalds select BOOT_ELF32 50842f77542SRalf Baechle select CEVT_R4K 509940f6b48SRalf Baechle select CSRC_R4K 510e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 5111da177e4SLinus Torvalds select DMA_NONCOHERENT 5125e83d430SRalf Baechle select HW_HAS_EISA 513d865bea4SRalf Baechle select I8253 51468de4803SThomas Bogendoerfer select I8259 5151da177e4SLinus Torvalds select IP22_CPU_SCACHE 5161da177e4SLinus Torvalds select IRQ_CPU 517aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 518e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 519e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 52036e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 521e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 522e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 523e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 5241da177e4SLinus Torvalds select SWAP_IO_SPACE 5257cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5267cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 5272b5e63f6SMartin Michlmayr # 5282b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5292b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5302b5e63f6SMartin Michlmayr # 5312b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5322b5e63f6SMartin Michlmayr # for a more details discussion 5332b5e63f6SMartin Michlmayr # 5342b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 535ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 536ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5375e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 538930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5391da177e4SLinus Torvalds help 5401da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 5411da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 5421da177e4SLinus Torvalds that runs on these, say Y here. 5431da177e4SLinus Torvalds 5441da177e4SLinus Torvaldsconfig SGI_IP27 5453fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 5460e2794b0SRalf Baechle select FW_ARC 5470e2794b0SRalf Baechle select FW_ARC64 5485e83d430SRalf Baechle select BOOT_ELF64 549e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 550634286f1SRalf Baechle select DMA_COHERENT 55136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 5521da177e4SLinus Torvalds select HW_HAS_PCI 553130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 5547cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 555ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5565e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 557d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 5581a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 559930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5601da177e4SLinus Torvalds help 5611da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 5621da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 5631da177e4SLinus Torvalds here. 5641da177e4SLinus Torvalds 565e2defae5SThomas Bogendoerferconfig SGI_IP28 5667d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 5670e2794b0SRalf Baechle select FW_ARC 5680e2794b0SRalf Baechle select FW_ARC64 569e2defae5SThomas Bogendoerfer select BOOT_ELF64 570e2defae5SThomas Bogendoerfer select CEVT_R4K 571e2defae5SThomas Bogendoerfer select CSRC_R4K 572e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 573e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 574e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 575e2defae5SThomas Bogendoerfer select IRQ_CPU 576e2defae5SThomas Bogendoerfer select HW_HAS_EISA 577e2defae5SThomas Bogendoerfer select I8253 578e2defae5SThomas Bogendoerfer select I8259 579e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 580e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 5815b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 582e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 583e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 584e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 585e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 586e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 5872b5e63f6SMartin Michlmayr # 5882b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5892b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5902b5e63f6SMartin Michlmayr # 5912b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5922b5e63f6SMartin Michlmayr # for a more details discussion 5932b5e63f6SMartin Michlmayr # 5942b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 595e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 596e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 597dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 598e2defae5SThomas Bogendoerfer help 599e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 600e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 601e2defae5SThomas Bogendoerfer 6021da177e4SLinus Torvaldsconfig SGI_IP32 603cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 6040e2794b0SRalf Baechle select FW_ARC 6050e2794b0SRalf Baechle select FW_ARC32 6061da177e4SLinus Torvalds select BOOT_ELF32 60742f77542SRalf Baechle select CEVT_R4K 608940f6b48SRalf Baechle select CSRC_R4K 6091da177e4SLinus Torvalds select DMA_NONCOHERENT 6101da177e4SLinus Torvalds select HW_HAS_PCI 611dd67b155SRalf Baechle select IRQ_CPU 6121da177e4SLinus Torvalds select R5000_CPU_SCACHE 6131da177e4SLinus Torvalds select RM7000_CPU_SCACHE 6147cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6157cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 6167cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 617dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 618ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6195e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6201da177e4SLinus Torvalds help 6211da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 6221da177e4SLinus Torvalds 623ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 624ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 6255e83d430SRalf Baechle select BOOT_ELF32 6265e83d430SRalf Baechle select DMA_COHERENT 6275e83d430SRalf Baechle select SIBYTE_BCM1120 6285e83d430SRalf Baechle select SWAP_IO_SPACE 6297cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6305e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6315e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6325e83d430SRalf Baechle 633ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 634ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 6355e83d430SRalf Baechle select BOOT_ELF32 6365e83d430SRalf Baechle select DMA_COHERENT 6375e83d430SRalf Baechle select SIBYTE_BCM1120 6385e83d430SRalf Baechle select SWAP_IO_SPACE 6397cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6405e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6425e83d430SRalf Baechle 6435e83d430SRalf Baechleconfig SIBYTE_CRHONE 6443fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 6455e83d430SRalf Baechle select BOOT_ELF32 6465e83d430SRalf Baechle select DMA_COHERENT 6475e83d430SRalf Baechle select SIBYTE_BCM1125 6485e83d430SRalf Baechle select SWAP_IO_SPACE 6497cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6505e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6515e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6525e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6535e83d430SRalf Baechle 654ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 655ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 656ade299d8SYoichi Yuasa select BOOT_ELF32 657ade299d8SYoichi Yuasa select DMA_COHERENT 658ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 659ade299d8SYoichi Yuasa select SWAP_IO_SPACE 660ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 661ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 662ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 663ade299d8SYoichi Yuasa 664ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 665ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 666ade299d8SYoichi Yuasa select BOOT_ELF32 667ade299d8SYoichi Yuasa select DMA_COHERENT 668fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 669ade299d8SYoichi Yuasa select SIBYTE_SB1250 670ade299d8SYoichi Yuasa select SWAP_IO_SPACE 671ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 672ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 673ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 674ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 675cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 676ade299d8SYoichi Yuasa 677ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 678ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 679ade299d8SYoichi Yuasa select BOOT_ELF32 680ade299d8SYoichi Yuasa select DMA_COHERENT 681fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 682ade299d8SYoichi Yuasa select SIBYTE_SB1250 683ade299d8SYoichi Yuasa select SWAP_IO_SPACE 684ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 685ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 686ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 687ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 688ade299d8SYoichi Yuasa 689ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 690ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 691ade299d8SYoichi Yuasa select BOOT_ELF32 692ade299d8SYoichi Yuasa select DMA_COHERENT 693ade299d8SYoichi Yuasa select SIBYTE_SB1250 694ade299d8SYoichi Yuasa select SWAP_IO_SPACE 695ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 696ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 697ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 698ade299d8SYoichi Yuasa 699ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 700ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 701ade299d8SYoichi Yuasa select BOOT_ELF32 702ade299d8SYoichi Yuasa select DMA_COHERENT 703ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 704ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 705ade299d8SYoichi Yuasa select SWAP_IO_SPACE 706ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 707ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 708651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 709ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 710cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 711ade299d8SYoichi Yuasa 71214b36af4SThomas Bogendoerferconfig SNI_RM 71314b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 7140e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 7150e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 716aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 7175e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 7185e83d430SRalf Baechle select BOOT_ELF32 71942f77542SRalf Baechle select CEVT_R4K 720940f6b48SRalf Baechle select CSRC_R4K 721e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 7225e83d430SRalf Baechle select DMA_NONCOHERENT 7235e83d430SRalf Baechle select GENERIC_ISA_DMA 7248a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 7255e83d430SRalf Baechle select HW_HAS_EISA 7265e83d430SRalf Baechle select HW_HAS_PCI 727c066a32aSThomas Bogendoerfer select IRQ_CPU 728d865bea4SRalf Baechle select I8253 7295e83d430SRalf Baechle select I8259 7305e83d430SRalf Baechle select ISA 7314a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 7327cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 7334a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 734c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7354a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 73636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 737ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 7387d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 7394a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7405e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7421da177e4SLinus Torvalds help 74314b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 74414b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 7455e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 7465e83d430SRalf Baechle support this machine type. 7471da177e4SLinus Torvalds 748edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 749edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 7505e83d430SRalf Baechle 751edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 752edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 75323fbee9dSRalf Baechle 75473b4390fSRalf Baechleconfig MIKROTIK_RB532 75573b4390fSRalf Baechle bool "Mikrotik RB532 boards" 75673b4390fSRalf Baechle select CEVT_R4K 75773b4390fSRalf Baechle select CSRC_R4K 75873b4390fSRalf Baechle select DMA_NONCOHERENT 75973b4390fSRalf Baechle select HW_HAS_PCI 76073b4390fSRalf Baechle select IRQ_CPU 76173b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 76273b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 76373b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 76473b4390fSRalf Baechle select SWAP_IO_SPACE 76573b4390fSRalf Baechle select BOOT_RAW 766d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 767930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 76873b4390fSRalf Baechle help 76973b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 77073b4390fSRalf Baechle based on the IDT RC32434 SoC. 77173b4390fSRalf Baechle 7729ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 7739ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 774a86c7f72SDavid Daney select CEVT_R4K 77534adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 776a86c7f72SDavid Daney select DMA_COHERENT 777a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 778a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 779f65aad41SRalf Baechle select EDAC_SUPPORT 780773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 781a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 7825e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 783a86c7f72SDavid Daney select SWAP_IO_SPACE 784e8635b48SDavid Daney select HW_HAS_PCI 785f00e001eSDavid Daney select ZONE_DMA32 786465aaed0SDavid Daney select HOLES_IN_ZONE 78799cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 7886e511163SDavid Daney select LIBFDT 7896e511163SDavid Daney select USE_OF 7906e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 7916e511163SDavid Daney select SYS_SUPPORTS_SMP 7926e511163SDavid Daney select NR_CPUS_DEFAULT_16 793e326479fSAndrew Bresticker select BUILTIN_DTB 794a86c7f72SDavid Daney help 795a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 796a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 797a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 798a86c7f72SDavid Daney Some of the supported boards are: 799a86c7f72SDavid Daney EBT3000 800a86c7f72SDavid Daney EBH3000 801a86c7f72SDavid Daney EBH3100 802a86c7f72SDavid Daney Thunder 803a86c7f72SDavid Daney Kodama 804a86c7f72SDavid Daney Hikari 805a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 806a86c7f72SDavid Daney 8077f058e85SJayachandran Cconfig NLM_XLR_BOARD 8087f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 8097f058e85SJayachandran C select BOOT_ELF32 8107f058e85SJayachandran C select NLM_COMMON 8117f058e85SJayachandran C select SYS_HAS_CPU_XLR 8127f058e85SJayachandran C select SYS_SUPPORTS_SMP 8137f058e85SJayachandran C select HW_HAS_PCI 8147f058e85SJayachandran C select SWAP_IO_SPACE 8157f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8167f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 81734adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 8187f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8197f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 8207f058e85SJayachandran C select DMA_COHERENT 8217f058e85SJayachandran C select NR_CPUS_DEFAULT_32 8227f058e85SJayachandran C select CEVT_R4K 8237f058e85SJayachandran C select CSRC_R4K 8247f058e85SJayachandran C select IRQ_CPU 825b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8267f058e85SJayachandran C select SYNC_R4K 8277f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 8288f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8298f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8307f058e85SJayachandran C help 8317f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 8327f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 8337f058e85SJayachandran C 8341c773ea4SJayachandran Cconfig NLM_XLP_BOARD 8351c773ea4SJayachandran C bool "Netlogic XLP based systems" 8361c773ea4SJayachandran C select BOOT_ELF32 8371c773ea4SJayachandran C select NLM_COMMON 8381c773ea4SJayachandran C select SYS_HAS_CPU_XLP 8391c773ea4SJayachandran C select SYS_SUPPORTS_SMP 8401c773ea4SJayachandran C select HW_HAS_PCI 8411c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8421c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 84334adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 8441c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8451c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 8461c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 8471c773ea4SJayachandran C select DMA_COHERENT 8481c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 8491c773ea4SJayachandran C select CEVT_R4K 8501c773ea4SJayachandran C select CSRC_R4K 8511c773ea4SJayachandran C select IRQ_CPU 852b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8531c773ea4SJayachandran C select SYNC_R4K 8541c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 8552f6528e1SJayachandran C select USE_OF 8568f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8578f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8581c773ea4SJayachandran C help 8591c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 8601c773ea4SJayachandran C Say Y here if you have a XLP based board. 8611c773ea4SJayachandran C 8629bc463beSDavid Daneyconfig MIPS_PARAVIRT 8639bc463beSDavid Daney bool "Para-Virtualized guest system" 8649bc463beSDavid Daney select CEVT_R4K 8659bc463beSDavid Daney select CSRC_R4K 8669bc463beSDavid Daney select DMA_COHERENT 8679bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 8689bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 8699bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 8709bc463beSDavid Daney select SYS_SUPPORTS_SMP 8719bc463beSDavid Daney select NR_CPUS_DEFAULT_4 8729bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 8739bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 8749bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 8759bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 8769bc463beSDavid Daney select HW_HAS_PCI 8779bc463beSDavid Daney select SWAP_IO_SPACE 8789bc463beSDavid Daney help 8799bc463beSDavid Daney This option supports guest running under ???? 8809bc463beSDavid Daney 8811da177e4SLinus Torvaldsendchoice 8821da177e4SLinus Torvalds 883e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 8843b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 885d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 886a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 887e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 8885e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 8895ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 8908ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 8911f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 8920f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 893ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 89429c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 89538b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 89622b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 8975e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 898a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 89985749d24SWu Zhangjinsource "arch/mips/loongson/Kconfig" 900ca585cf9SKelvin Cheungsource "arch/mips/loongson1/Kconfig" 9017f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 902ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 90338b18f72SRalf Baechle 9045e83d430SRalf Baechleendmenu 9055e83d430SRalf Baechle 9061da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 9071da177e4SLinus Torvalds bool 9081da177e4SLinus Torvalds default y 9091da177e4SLinus Torvalds 9101da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 9111da177e4SLinus Torvalds bool 9121da177e4SLinus Torvalds 913f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 914f0d1b0b3SDavid Howells bool 915f0d1b0b3SDavid Howells default n 916f0d1b0b3SDavid Howells 917f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 918f0d1b0b3SDavid Howells bool 919f0d1b0b3SDavid Howells default n 920f0d1b0b3SDavid Howells 9213c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 9223c9ee7efSAkinobu Mita bool 9233c9ee7efSAkinobu Mita default y 9243c9ee7efSAkinobu Mita 9251da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 9261da177e4SLinus Torvalds bool 9271da177e4SLinus Torvalds default y 9281da177e4SLinus Torvalds 929ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 9301cc89038SAtsushi Nemoto bool 9311cc89038SAtsushi Nemoto default y 9321cc89038SAtsushi Nemoto 9331da177e4SLinus Torvalds# 9341da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 9351da177e4SLinus Torvalds# 9360e2794b0SRalf Baechleconfig FW_ARC 9371da177e4SLinus Torvalds bool 9381da177e4SLinus Torvalds 93961ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 94061ed242dSRalf Baechle bool 94161ed242dSRalf Baechle 9429267a30dSMarc St-Jeanconfig BOOT_RAW 9439267a30dSMarc St-Jean bool 9449267a30dSMarc St-Jean 945217dd11eSRalf Baechleconfig CEVT_BCM1480 946217dd11eSRalf Baechle bool 947217dd11eSRalf Baechle 9486457d9fcSYoichi Yuasaconfig CEVT_DS1287 9496457d9fcSYoichi Yuasa bool 9506457d9fcSYoichi Yuasa 9511097c6acSYoichi Yuasaconfig CEVT_GT641XX 9521097c6acSYoichi Yuasa bool 9531097c6acSYoichi Yuasa 95442f77542SRalf Baechleconfig CEVT_R4K 95542f77542SRalf Baechle bool 95642f77542SRalf Baechle 957217dd11eSRalf Baechleconfig CEVT_SB1250 958217dd11eSRalf Baechle bool 959217dd11eSRalf Baechle 960229f773eSAtsushi Nemotoconfig CEVT_TXX9 961229f773eSAtsushi Nemoto bool 962229f773eSAtsushi Nemoto 963217dd11eSRalf Baechleconfig CSRC_BCM1480 964217dd11eSRalf Baechle bool 965217dd11eSRalf Baechle 9664247417dSYoichi Yuasaconfig CSRC_IOASIC 9674247417dSYoichi Yuasa bool 9684247417dSYoichi Yuasa 969940f6b48SRalf Baechleconfig CSRC_R4K 970940f6b48SRalf Baechle bool 971940f6b48SRalf Baechle 972217dd11eSRalf Baechleconfig CSRC_SB1250 973217dd11eSRalf Baechle bool 974217dd11eSRalf Baechle 975a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 9767444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 977a9aec7feSAtsushi Nemoto bool 978a9aec7feSAtsushi Nemoto 9790e2794b0SRalf Baechleconfig FW_CFE 980df78b5c8SAurelien Jarno bool 981df78b5c8SAurelien Jarno 9824bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 98334adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 9844bafad92SFUJITA Tomonori 985885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 986885014bcSFelix Fietkau select DMA_NONCOHERENT 987885014bcSFelix Fietkau bool 988885014bcSFelix Fietkau 9891da177e4SLinus Torvaldsconfig DMA_COHERENT 9901da177e4SLinus Torvalds bool 9911da177e4SLinus Torvalds 9921da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 9931da177e4SLinus Torvalds bool 994e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 9954ce588cdSRalf Baechle 996e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 9974ce588cdSRalf Baechle bool 9981da177e4SLinus Torvalds 99936a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 10001da177e4SLinus Torvalds bool 10011da177e4SLinus Torvalds 1002dbb74540SRalf Baechleconfig HOTPLUG_CPU 10031b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 100440b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 10051b2bc75cSRalf Baechle help 10061b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 10071b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 10081b2bc75cSRalf Baechle (Note: power management support will enable this option 10091b2bc75cSRalf Baechle automatically on SMP systems. ) 10101b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 10111b2bc75cSRalf Baechle 10121b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1013dbb74540SRalf Baechle bool 1014dbb74540SRalf Baechle 10151da177e4SLinus Torvaldsconfig I8259 10161da177e4SLinus Torvalds bool 1017079a4601SAndrew Bresticker select IRQ_DOMAIN 10181da177e4SLinus Torvalds 10191da177e4SLinus Torvaldsconfig MIPS_BONITO64 10201da177e4SLinus Torvalds bool 10211da177e4SLinus Torvalds 10221da177e4SLinus Torvaldsconfig MIPS_MSC 10231da177e4SLinus Torvalds bool 10241da177e4SLinus Torvalds 10251f21d2bdSBrian Murphyconfig MIPS_NILE4 10261f21d2bdSBrian Murphy bool 10271f21d2bdSBrian Murphy 102839b8d525SRalf Baechleconfig SYNC_R4K 102939b8d525SRalf Baechle bool 103039b8d525SRalf Baechle 1031487d70d0SGabor Juhosconfig MIPS_MACHINE 1032487d70d0SGabor Juhos def_bool n 1033487d70d0SGabor Juhos 1034ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1035d388d685SMaciej W. Rozycki def_bool n 1036d388d685SMaciej W. Rozycki 10378313da30SRalf Baechleconfig GENERIC_ISA_DMA 10388313da30SRalf Baechle bool 10398313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1040a35bee8aSNamhyung Kim select ISA_DMA_API 10418313da30SRalf Baechle 1042aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1043aa414dffSRalf Baechle bool 10448313da30SRalf Baechle select GENERIC_ISA_DMA 1045aa414dffSRalf Baechle 1046a35bee8aSNamhyung Kimconfig ISA_DMA_API 1047a35bee8aSNamhyung Kim bool 1048a35bee8aSNamhyung Kim 1049465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1050465aaed0SDavid Daney bool 1051465aaed0SDavid Daney 10525e83d430SRalf Baechle# 10536b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 10545e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 10555e83d430SRalf Baechle# choice statement should be more obvious to the user. 10565e83d430SRalf Baechle# 10575e83d430SRalf Baechlechoice 10586b2aac42SMasanari Iida prompt "Endianness selection" 10591da177e4SLinus Torvalds help 10601da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 10615e83d430SRalf Baechle byte order. These modes require different kernels and a different 10623cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 10635e83d430SRalf Baechle particular system but some systems are just as commonly used in the 10643dde6ad8SDavid Sterba one or the other endianness. 10655e83d430SRalf Baechle 10665e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 10675e83d430SRalf Baechle bool "Big endian" 10685e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 10695e83d430SRalf Baechle 10705e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 10715e83d430SRalf Baechle bool "Little endian" 10725e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 10735e83d430SRalf Baechle 10745e83d430SRalf Baechleendchoice 10755e83d430SRalf Baechle 107622b0763aSDavid Daneyconfig EXPORT_UASM 107722b0763aSDavid Daney bool 107822b0763aSDavid Daney 10792116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 10802116245eSRalf Baechle bool 10812116245eSRalf Baechle 10825e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 10835e83d430SRalf Baechle bool 10845e83d430SRalf Baechle 10855e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 10865e83d430SRalf Baechle bool 10871da177e4SLinus Torvalds 10889cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 10899cffd154SDavid Daney bool 10909cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 10919cffd154SDavid Daney default y 10929cffd154SDavid Daney 1093aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1094aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1095aa1762f4SDavid Daney 10961da177e4SLinus Torvaldsconfig IRQ_CPU 10971da177e4SLinus Torvalds bool 10980f84c305SAndrew Bresticker select IRQ_DOMAIN 10991da177e4SLinus Torvalds 11001da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 11011da177e4SLinus Torvalds bool 11021da177e4SLinus Torvalds 11039267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 11049267a30dSMarc St-Jean bool 11059267a30dSMarc St-Jean 11069267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 11079267a30dSMarc St-Jean bool 11089267a30dSMarc St-Jean 11098420fd00SAtsushi Nemotoconfig IRQ_TXX9 11108420fd00SAtsushi Nemoto bool 11118420fd00SAtsushi Nemoto 1112d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1113d5ab1a69SYoichi Yuasa bool 1114d5ab1a69SYoichi Yuasa 1115252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 11161da177e4SLinus Torvalds bool 11171da177e4SLinus Torvalds 11189267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 11199267a30dSMarc St-Jean bool 11209267a30dSMarc St-Jean 1121a83860c2SRalf Baechleconfig SOC_EMMA2RH 1122a83860c2SRalf Baechle bool 1123a83860c2SRalf Baechle select CEVT_R4K 1124a83860c2SRalf Baechle select CSRC_R4K 1125a83860c2SRalf Baechle select DMA_NONCOHERENT 1126a83860c2SRalf Baechle select IRQ_CPU 1127a83860c2SRalf Baechle select SWAP_IO_SPACE 1128a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1129a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1130a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1131a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1132a83860c2SRalf Baechle 1133edb6310aSDaniel Lairdconfig SOC_PNX833X 1134edb6310aSDaniel Laird bool 1135edb6310aSDaniel Laird select CEVT_R4K 1136edb6310aSDaniel Laird select CSRC_R4K 1137edb6310aSDaniel Laird select IRQ_CPU 1138edb6310aSDaniel Laird select DMA_NONCOHERENT 1139edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1140edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1141edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1142edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1143377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1144edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1145edb6310aSDaniel Laird 1146edb6310aSDaniel Lairdconfig SOC_PNX8335 1147edb6310aSDaniel Laird bool 1148edb6310aSDaniel Laird select SOC_PNX833X 1149edb6310aSDaniel Laird 11501da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 11511da177e4SLinus Torvalds bool 11521da177e4SLinus Torvalds 1153e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1154e2defae5SThomas Bogendoerfer bool 1155e2defae5SThomas Bogendoerfer 11565b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 11575b438c44SThomas Bogendoerfer bool 11585b438c44SThomas Bogendoerfer 1159e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1160e2defae5SThomas Bogendoerfer bool 1161e2defae5SThomas Bogendoerfer 1162e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1163e2defae5SThomas Bogendoerfer bool 1164e2defae5SThomas Bogendoerfer 1165e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1166e2defae5SThomas Bogendoerfer bool 1167e2defae5SThomas Bogendoerfer 1168e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1169e2defae5SThomas Bogendoerfer bool 1170e2defae5SThomas Bogendoerfer 1171e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1172e2defae5SThomas Bogendoerfer bool 1173e2defae5SThomas Bogendoerfer 11740e2794b0SRalf Baechleconfig FW_ARC32 11755e83d430SRalf Baechle bool 11765e83d430SRalf Baechle 1177aaa9fad3SPaul Bolleconfig FW_SNIPROM 1178231a35d3SThomas Bogendoerfer bool 1179231a35d3SThomas Bogendoerfer 11801da177e4SLinus Torvaldsconfig BOOT_ELF32 11811da177e4SLinus Torvalds bool 11821da177e4SLinus Torvalds 1183930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1184930beb5aSFlorian Fainelli bool 1185930beb5aSFlorian Fainelli 1186930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1187930beb5aSFlorian Fainelli bool 1188930beb5aSFlorian Fainelli 1189930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1190930beb5aSFlorian Fainelli bool 1191930beb5aSFlorian Fainelli 1192930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1193930beb5aSFlorian Fainelli bool 1194930beb5aSFlorian Fainelli 11951da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 11961da177e4SLinus Torvalds int 1197a4c0201eSFlorian Fainelli default "4" if MIPS_L1_CACHE_SHIFT_4 1198a4c0201eSFlorian Fainelli default "5" if MIPS_L1_CACHE_SHIFT_5 1199a4c0201eSFlorian Fainelli default "6" if MIPS_L1_CACHE_SHIFT_6 1200a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12011da177e4SLinus Torvalds default "5" 12021da177e4SLinus Torvalds 12031da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 12041da177e4SLinus Torvalds bool 12051da177e4SLinus Torvalds 12061da177e4SLinus Torvaldsconfig ARC_CONSOLE 12071da177e4SLinus Torvalds bool "ARC console support" 1208e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12091da177e4SLinus Torvalds 12101da177e4SLinus Torvaldsconfig ARC_MEMORY 12111da177e4SLinus Torvalds bool 121214b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 12131da177e4SLinus Torvalds default y 12141da177e4SLinus Torvalds 12151da177e4SLinus Torvaldsconfig ARC_PROMLIB 12161da177e4SLinus Torvalds bool 1217e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 12181da177e4SLinus Torvalds default y 12191da177e4SLinus Torvalds 12200e2794b0SRalf Baechleconfig FW_ARC64 12211da177e4SLinus Torvalds bool 12221da177e4SLinus Torvalds 12231da177e4SLinus Torvaldsconfig BOOT_ELF64 12241da177e4SLinus Torvalds bool 12251da177e4SLinus Torvalds 12261da177e4SLinus Torvaldsmenu "CPU selection" 12271da177e4SLinus Torvalds 12281da177e4SLinus Torvaldschoice 12291da177e4SLinus Torvalds prompt "CPU type" 12301da177e4SLinus Torvalds default CPU_R4X00 12311da177e4SLinus Torvalds 12320e476d91SHuacai Chenconfig CPU_LOONGSON3 12330e476d91SHuacai Chen bool "Loongson 3 CPU" 12340e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 12350e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 12360e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 12370e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 12380e476d91SHuacai Chen select WEAK_ORDERING 12390e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 12400e476d91SHuacai Chen help 12410e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 12420e476d91SHuacai Chen set with many extensions. 12430e476d91SHuacai Chen 12443702bba5SWu Zhangjinconfig CPU_LOONGSON2E 12453702bba5SWu Zhangjin bool "Loongson 2E" 12463702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 12473702bba5SWu Zhangjin select CPU_LOONGSON2 12482a21c730SFuxin Zhang help 12492a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 12502a21c730SFuxin Zhang with many extensions. 12512a21c730SFuxin Zhang 125225985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 12536f7a251aSWu Zhangjin bonito64. 12546f7a251aSWu Zhangjin 12556f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 12566f7a251aSWu Zhangjin bool "Loongson 2F" 12576f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 12586f7a251aSWu Zhangjin select CPU_LOONGSON2 1259c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 12606f7a251aSWu Zhangjin help 12616f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 12626f7a251aSWu Zhangjin with many extensions. 12636f7a251aSWu Zhangjin 12646f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 12656f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 12666f7a251aSWu Zhangjin Loongson2E. 12676f7a251aSWu Zhangjin 1268ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1269ca585cf9SKelvin Cheung bool "Loongson 1B" 1270ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1271ca585cf9SKelvin Cheung select CPU_LOONGSON1 1272ca585cf9SKelvin Cheung help 1273ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1274ca585cf9SKelvin Cheung release 2 instruction set. 1275ca585cf9SKelvin Cheung 12766e760c8dSRalf Baechleconfig CPU_MIPS32_R1 12776e760c8dSRalf Baechle bool "MIPS32 Release 1" 12787cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 12796e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1280797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1281ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12826e760c8dSRalf Baechle help 12835e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 12841e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 12851e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 12861e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 12871e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 12881e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 12891e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 12901e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 12911e5f1caaSRalf Baechle performance. 12921e5f1caaSRalf Baechle 12931e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 12941e5f1caaSRalf Baechle bool "MIPS32 Release 2" 12957cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 12961e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1297797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1298ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1299a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13002235a54dSSanjay Lal select HAVE_KVM 13011e5f1caaSRalf Baechle help 13025e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 13036e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13046e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13056e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13066e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13071da177e4SLinus Torvalds 13086e760c8dSRalf Baechleconfig CPU_MIPS64_R1 13096e760c8dSRalf Baechle bool "MIPS64 Release 1" 13107cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1311797798c1SRalf Baechle select CPU_HAS_PREFETCH 1312ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1313ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1314ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13159cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 13166e760c8dSRalf Baechle help 13176e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 13186e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13196e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13206e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13216e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13221e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 13231e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 13241e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 13251e5f1caaSRalf Baechle performance. 13261e5f1caaSRalf Baechle 13271e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 13281e5f1caaSRalf Baechle bool "MIPS64 Release 2" 13297cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1330797798c1SRalf Baechle select CPU_HAS_PREFETCH 13311e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 13321e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1333ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13349cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1335a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13361e5f1caaSRalf Baechle help 13371e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 13381e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13391e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13401e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13411e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13421da177e4SLinus Torvalds 13431da177e4SLinus Torvaldsconfig CPU_R3000 13441da177e4SLinus Torvalds bool "R3000" 13457cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1346f7062ddbSRalf Baechle select CPU_HAS_WB 1347ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1348797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13491da177e4SLinus Torvalds help 13501da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 13511da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 13521da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 13531da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 13541da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 13551da177e4SLinus Torvalds try to recompile with R3000. 13561da177e4SLinus Torvalds 13571da177e4SLinus Torvaldsconfig CPU_TX39XX 13581da177e4SLinus Torvalds bool "R39XX" 13597cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1360ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 13611da177e4SLinus Torvalds 13621da177e4SLinus Torvaldsconfig CPU_VR41XX 13631da177e4SLinus Torvalds bool "R41xx" 13647cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1365ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1366ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 13671da177e4SLinus Torvalds help 13685e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 13691da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 13701da177e4SLinus Torvalds kernel built with this option will not run on any other type of 13711da177e4SLinus Torvalds processor or vice versa. 13721da177e4SLinus Torvalds 13731da177e4SLinus Torvaldsconfig CPU_R4300 13741da177e4SLinus Torvalds bool "R4300" 13757cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1376ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1377ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 13781da177e4SLinus Torvalds help 13791da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 13801da177e4SLinus Torvalds 13811da177e4SLinus Torvaldsconfig CPU_R4X00 13821da177e4SLinus Torvalds bool "R4x00" 13837cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1384ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1385ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1386970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13871da177e4SLinus Torvalds help 13881da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 13891da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 13901da177e4SLinus Torvalds 13911da177e4SLinus Torvaldsconfig CPU_TX49XX 13921da177e4SLinus Torvalds bool "R49XX" 13937cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1394de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1395ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1396ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1397970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13981da177e4SLinus Torvalds 13991da177e4SLinus Torvaldsconfig CPU_R5000 14001da177e4SLinus Torvalds bool "R5000" 14017cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1402ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1403ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1404970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14051da177e4SLinus Torvalds help 14061da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 14071da177e4SLinus Torvalds 14081da177e4SLinus Torvaldsconfig CPU_R5432 14091da177e4SLinus Torvalds bool "R5432" 14107cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 14115e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14125e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1413970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14141da177e4SLinus Torvalds 1415542c1020SShinya Kuribayashiconfig CPU_R5500 1416542c1020SShinya Kuribayashi bool "R5500" 1417542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1418542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1419542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 14209cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1421542c1020SShinya Kuribayashi help 1422542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1423542c1020SShinya Kuribayashi instruction set. 1424542c1020SShinya Kuribayashi 14251da177e4SLinus Torvaldsconfig CPU_R6000 14261da177e4SLinus Torvalds bool "R6000" 14277cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1428ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 14291da177e4SLinus Torvalds help 14301da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1431c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 14321da177e4SLinus Torvalds 14331da177e4SLinus Torvaldsconfig CPU_NEVADA 14341da177e4SLinus Torvalds bool "RM52xx" 14357cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1436ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1437ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1438970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14391da177e4SLinus Torvalds help 14401da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 14411da177e4SLinus Torvalds 14421da177e4SLinus Torvaldsconfig CPU_R8000 14431da177e4SLinus Torvalds bool "R8000" 14447cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 14455e83d430SRalf Baechle select CPU_HAS_PREFETCH 1446ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14471da177e4SLinus Torvalds help 14481da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 14491da177e4SLinus Torvalds uncommon and the support for them is incomplete. 14501da177e4SLinus Torvalds 14511da177e4SLinus Torvaldsconfig CPU_R10000 14521da177e4SLinus Torvalds bool "R10000" 14537cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 14545e83d430SRalf Baechle select CPU_HAS_PREFETCH 1455ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1456ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1457797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1458970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14591da177e4SLinus Torvalds help 14601da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 14611da177e4SLinus Torvalds 14621da177e4SLinus Torvaldsconfig CPU_RM7000 14631da177e4SLinus Torvalds bool "RM7000" 14647cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 14655e83d430SRalf Baechle select CPU_HAS_PREFETCH 1466ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1467ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1468797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1469970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14701da177e4SLinus Torvalds 14711da177e4SLinus Torvaldsconfig CPU_SB1 14721da177e4SLinus Torvalds bool "SB1" 14737cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1474ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1475ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1476797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1477970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14780004a9dfSRalf Baechle select WEAK_ORDERING 14791da177e4SLinus Torvalds 1480a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1481a86c7f72SDavid Daney bool "Cavium Octeon processor" 14825e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1483a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1484a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1485a86c7f72SDavid Daney select WEAK_ORDERING 1486a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 14879cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14889296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 1489930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1490a86c7f72SDavid Daney help 1491a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1492a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1493a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1494a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1495a86c7f72SDavid Daney 1496cd746249SJonas Gorskiconfig CPU_BMIPS 1497cd746249SJonas Gorski bool "Broadcom BMIPS" 1498cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1499cd746249SJonas Gorski select CPU_MIPS32 1500fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1501cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1502cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1503cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1504cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1505cd746249SJonas Gorski select DMA_NONCOHERENT 1506cd746249SJonas Gorski select IRQ_CPU 1507cd746249SJonas Gorski select SWAP_IO_SPACE 1508cd746249SJonas Gorski select WEAK_ORDERING 1509c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 151069aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1511c1c0c461SKevin Cernekee help 1512fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1513c1c0c461SKevin Cernekee 15147f058e85SJayachandran Cconfig CPU_XLR 15157f058e85SJayachandran C bool "Netlogic XLR SoC" 15167f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 15177f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 15187f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 15197f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1520970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15217f058e85SJayachandran C select WEAK_ORDERING 15227f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 15237f058e85SJayachandran C help 15247f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 15251c773ea4SJayachandran C 15261c773ea4SJayachandran Cconfig CPU_XLP 15271c773ea4SJayachandran C bool "Netlogic XLP SoC" 15281c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 15291c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 15301c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 15311c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 15321c773ea4SJayachandran C select WEAK_ORDERING 15331c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 15341c773ea4SJayachandran C select CPU_HAS_PREFETCH 1535d6504846SJayachandran C select CPU_MIPSR2 15361c773ea4SJayachandran C help 15371c773ea4SJayachandran C Netlogic Microsystems XLP processors. 15381da177e4SLinus Torvaldsendchoice 15391da177e4SLinus Torvalds 1540a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1541a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1542a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1543a6e18781SLeonid Yegoshin depends on CPU_MIPS32_R2 1544a6e18781SLeonid Yegoshin help 1545a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1546a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1547a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1548a6e18781SLeonid Yegoshin 1549a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1550a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1551a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1552a6e18781SLeonid Yegoshin select EVA 1553a6e18781SLeonid Yegoshin default y 1554a6e18781SLeonid Yegoshin help 1555a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1556a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1557a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1558a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1559a6e18781SLeonid Yegoshin 1560622844bfSWu Zhangjinif CPU_LOONGSON2F 1561622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1562622844bfSWu Zhangjin bool 1563622844bfSWu Zhangjin 1564622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1565622844bfSWu Zhangjin bool 1566622844bfSWu Zhangjin 1567622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1568622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1569622844bfSWu Zhangjin default y 1570622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1571622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1572622844bfSWu Zhangjin help 1573622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1574622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1575622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1576622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1577622844bfSWu Zhangjin 1578622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1579622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1580622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1581622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1582622844bfSWu Zhangjin systems. 1583622844bfSWu Zhangjin 1584622844bfSWu Zhangjin If unsure, please say Y. 1585622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1586622844bfSWu Zhangjin 15871b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 15881b93b3c3SWu Zhangjin bool 15891b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 15901b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 159131c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 15921b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1593fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 15944e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 15951b93b3c3SWu Zhangjin 15961b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 15971b93b3c3SWu Zhangjin bool 15981b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 15991b93b3c3SWu Zhangjin 16003702bba5SWu Zhangjinconfig CPU_LOONGSON2 16013702bba5SWu Zhangjin bool 16023702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 16033702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 16043702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1605970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16063702bba5SWu Zhangjin 1607ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1608ca585cf9SKelvin Cheung bool 1609ca585cf9SKelvin Cheung select CPU_MIPS32 1610ca585cf9SKelvin Cheung select CPU_MIPSR2 1611ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1612ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1613ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1614f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1615ca585cf9SKelvin Cheung 1616fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 161704fa8bf7SJonas Gorski select SMP_UP if SMP 16181bbb6c1bSKevin Cernekee bool 1619cd746249SJonas Gorski 1620cd746249SJonas Gorskiconfig CPU_BMIPS4350 1621cd746249SJonas Gorski bool 1622cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1623cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1624cd746249SJonas Gorski 1625cd746249SJonas Gorskiconfig CPU_BMIPS4380 1626cd746249SJonas Gorski bool 1627bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1628cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1629cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1630cd746249SJonas Gorski 1631cd746249SJonas Gorskiconfig CPU_BMIPS5000 1632cd746249SJonas Gorski bool 1633cd746249SJonas Gorski select MIPS_CPU_SCACHE 1634bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1635cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1636cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 16371bbb6c1bSKevin Cernekee 16380e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 16390e476d91SHuacai Chen bool 16400e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 16410e476d91SHuacai Chen 16423702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 16432a21c730SFuxin Zhang bool 16442a21c730SFuxin Zhang 16456f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 16466f7a251aSWu Zhangjin bool 164755045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 164855045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 164922f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 16506f7a251aSWu Zhangjin 1651ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1652ca585cf9SKelvin Cheung bool 1653ca585cf9SKelvin Cheung 16547cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 16557cf8053bSRalf Baechle bool 16567cf8053bSRalf Baechle 16577cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 16587cf8053bSRalf Baechle bool 16597cf8053bSRalf Baechle 1660a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1661a6e18781SLeonid Yegoshin bool 1662a6e18781SLeonid Yegoshin 16637cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 16647cf8053bSRalf Baechle bool 16657cf8053bSRalf Baechle 16667cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 16677cf8053bSRalf Baechle bool 16687cf8053bSRalf Baechle 16697cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 16707cf8053bSRalf Baechle bool 16717cf8053bSRalf Baechle 16727cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 16737cf8053bSRalf Baechle bool 16747cf8053bSRalf Baechle 16757cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 16767cf8053bSRalf Baechle bool 16777cf8053bSRalf Baechle 16787cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 16797cf8053bSRalf Baechle bool 16807cf8053bSRalf Baechle 16817cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 16827cf8053bSRalf Baechle bool 16837cf8053bSRalf Baechle 16847cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 16857cf8053bSRalf Baechle bool 16867cf8053bSRalf Baechle 16877cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 16887cf8053bSRalf Baechle bool 16897cf8053bSRalf Baechle 16907cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 16917cf8053bSRalf Baechle bool 16927cf8053bSRalf Baechle 1693542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1694542c1020SShinya Kuribayashi bool 1695542c1020SShinya Kuribayashi 16967cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 16977cf8053bSRalf Baechle bool 16987cf8053bSRalf Baechle 16997cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 17007cf8053bSRalf Baechle bool 17017cf8053bSRalf Baechle 17027cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 17037cf8053bSRalf Baechle bool 17047cf8053bSRalf Baechle 17057cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 17067cf8053bSRalf Baechle bool 17077cf8053bSRalf Baechle 17087cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 17097cf8053bSRalf Baechle bool 17107cf8053bSRalf Baechle 17117cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 17127cf8053bSRalf Baechle bool 17137cf8053bSRalf Baechle 17145e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 17155e683389SDavid Daney bool 17165e683389SDavid Daney 1717cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1718c1c0c461SKevin Cernekee bool 1719c1c0c461SKevin Cernekee 1720fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1721c1c0c461SKevin Cernekee bool 1722cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1723c1c0c461SKevin Cernekee 1724c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1725c1c0c461SKevin Cernekee bool 1726cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1727c1c0c461SKevin Cernekee 1728c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1729c1c0c461SKevin Cernekee bool 1730cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1731c1c0c461SKevin Cernekee 1732c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1733c1c0c461SKevin Cernekee bool 1734cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1735c1c0c461SKevin Cernekee 17367f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 17377f058e85SJayachandran C bool 17387f058e85SJayachandran C 17391c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 17401c773ea4SJayachandran C bool 17411c773ea4SJayachandran C 1742b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1743b6911bbaSPaul Burton depends on MIPS_MALTA 1744b6911bbaSPaul Burton depends on PCI 1745b6911bbaSPaul Burton bool 1746b6911bbaSPaul Burton default y 1747b6911bbaSPaul Burton 174817099b11SRalf Baechle# 174917099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 175017099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 175117099b11SRalf Baechle# 17520004a9dfSRalf Baechleconfig WEAK_ORDERING 17530004a9dfSRalf Baechle bool 175417099b11SRalf Baechle 175517099b11SRalf Baechle# 175617099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 175717099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 175817099b11SRalf Baechle# 175917099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 176017099b11SRalf Baechle bool 17615e83d430SRalf Baechleendmenu 17625e83d430SRalf Baechle 17635e83d430SRalf Baechle# 17645e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 17655e83d430SRalf Baechle# 17665e83d430SRalf Baechleconfig CPU_MIPS32 17675e83d430SRalf Baechle bool 17685e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 17695e83d430SRalf Baechle 17705e83d430SRalf Baechleconfig CPU_MIPS64 17715e83d430SRalf Baechle bool 17725e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 17735e83d430SRalf Baechle 17745e83d430SRalf Baechle# 1775c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 17765e83d430SRalf Baechle# 17775e83d430SRalf Baechleconfig CPU_MIPSR1 17785e83d430SRalf Baechle bool 17795e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 17805e83d430SRalf Baechle 17815e83d430SRalf Baechleconfig CPU_MIPSR2 17825e83d430SRalf Baechle bool 1783a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 17845e83d430SRalf Baechle 1785a6e18781SLeonid Yegoshinconfig EVA 1786a6e18781SLeonid Yegoshin bool 1787a6e18781SLeonid Yegoshin 17885e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 17895e83d430SRalf Baechle bool 17905e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 17915e83d430SRalf Baechle bool 17925e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 17935e83d430SRalf Baechle bool 17945e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 17955e83d430SRalf Baechle bool 179655045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 179755045ff5SWu Zhangjin bool 179855045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 179955045ff5SWu Zhangjin bool 18009cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 18019cffd154SDavid Daney bool 180222f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 180322f1fdfdSWu Zhangjin bool 180482622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 180582622284SDavid Daney bool 1806d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 18075e83d430SRalf Baechle 18088192c9eaSDavid Daney# 18098192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 18108192c9eaSDavid Daney# 18118192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 18128192c9eaSDavid Daney bool 1813f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 18148192c9eaSDavid Daney 18155e83d430SRalf Baechlemenu "Kernel type" 18165e83d430SRalf Baechle 18175e83d430SRalf Baechlechoice 18185e83d430SRalf Baechle prompt "Kernel code model" 18195e83d430SRalf Baechle help 18205e83d430SRalf Baechle You should only select this option if you have a workload that 18215e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 18225e83d430SRalf Baechle large memory. You will only be presented a single option in this 18235e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 18245e83d430SRalf Baechle 18255e83d430SRalf Baechleconfig 32BIT 18265e83d430SRalf Baechle bool "32-bit kernel" 18275e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 18285e83d430SRalf Baechle select TRAD_SIGNALS 18295e83d430SRalf Baechle help 18305e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 18315e83d430SRalf Baechleconfig 64BIT 18325e83d430SRalf Baechle bool "64-bit kernel" 18335e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 18345e83d430SRalf Baechle help 18355e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 18365e83d430SRalf Baechle 18375e83d430SRalf Baechleendchoice 18385e83d430SRalf Baechle 18392235a54dSSanjay Lalconfig KVM_GUEST 18402235a54dSSanjay Lal bool "KVM Guest Kernel" 1841f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 18422235a54dSSanjay Lal help 18432235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 18442235a54dSSanjay Lal 1845eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1846eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 18472235a54dSSanjay Lal depends on KVM_GUEST 1848eda3d33cSJames Hogan default 100 18492235a54dSSanjay Lal help 1850eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 1851eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 1852eda3d33cSJames Hogan timer frequency is specified directly. 18532235a54dSSanjay Lal 18541da177e4SLinus Torvaldschoice 18551da177e4SLinus Torvalds prompt "Kernel page size" 18561da177e4SLinus Torvalds default PAGE_SIZE_4KB 18571da177e4SLinus Torvalds 18581da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 18591da177e4SLinus Torvalds bool "4kB" 18600e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 18611da177e4SLinus Torvalds help 18621da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 18631da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 18641da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 18651da177e4SLinus Torvalds recommended for low memory systems. 18661da177e4SLinus Torvalds 18671da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 18681da177e4SLinus Torvalds bool "8kB" 18697d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 18701da177e4SLinus Torvalds help 18711da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 18721da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1873c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1874c52399beSRalf Baechle suitable Linux distribution to support this. 18751da177e4SLinus Torvalds 18761da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 18771da177e4SLinus Torvalds bool "16kB" 1878714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 18791da177e4SLinus Torvalds help 18801da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 18811da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1882714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1883714bfad6SRalf Baechle Linux distribution to support this. 18841da177e4SLinus Torvalds 1885c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1886c52399beSRalf Baechle bool "32kB" 1887c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1888c52399beSRalf Baechle help 1889c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1890c52399beSRalf Baechle the price of higher memory consumption. This option is available 1891c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1892c52399beSRalf Baechle distribution to support this. 1893c52399beSRalf Baechle 18941da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 18951da177e4SLinus Torvalds bool "64kB" 18967d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 18971da177e4SLinus Torvalds help 18981da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 18991da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 19001da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1901714bfad6SRalf Baechle writing this option is still high experimental. 19021da177e4SLinus Torvalds 19031da177e4SLinus Torvaldsendchoice 19041da177e4SLinus Torvalds 1905c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 1906c9bace7cSDavid Daney int "Maximum zone order" 1907e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1908e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1909e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1910e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1911e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1912e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1913c9bace7cSDavid Daney range 11 64 1914c9bace7cSDavid Daney default "11" 1915c9bace7cSDavid Daney help 1916c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 1917c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 1918c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 1919c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 1920c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 1921c9bace7cSDavid Daney increase this value. 1922c9bace7cSDavid Daney 1923c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 1924c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 1925c9bace7cSDavid Daney 1926c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 1927c9bace7cSDavid Daney when choosing a value for this option. 1928c9bace7cSDavid Daney 19291da177e4SLinus Torvaldsconfig BOARD_SCACHE 19301da177e4SLinus Torvalds bool 19311da177e4SLinus Torvalds 19321da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 19331da177e4SLinus Torvalds bool 19341da177e4SLinus Torvalds select BOARD_SCACHE 19351da177e4SLinus Torvalds 19369318c51aSChris Dearman# 19379318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 19389318c51aSChris Dearman# 19399318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 19409318c51aSChris Dearman bool 19419318c51aSChris Dearman select BOARD_SCACHE 19429318c51aSChris Dearman 19431da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 19441da177e4SLinus Torvalds bool 19451da177e4SLinus Torvalds select BOARD_SCACHE 19461da177e4SLinus Torvalds 19471da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 19481da177e4SLinus Torvalds bool 19491da177e4SLinus Torvalds select BOARD_SCACHE 19501da177e4SLinus Torvalds 19511da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 19521da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 19531da177e4SLinus Torvalds depends on CPU_SB1 19541da177e4SLinus Torvalds help 19551da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 19561da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 19571da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 19581da177e4SLinus Torvalds 19591da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1960c8094b53SRalf Baechle bool 19611da177e4SLinus Torvalds 19623165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 19633165c846SFlorian Fainelli bool 19643165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 19653165c846SFlorian Fainelli 196691405eb6SFlorian Fainelliconfig CPU_R4K_FPU 196791405eb6SFlorian Fainelli bool 196891405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 196991405eb6SFlorian Fainelli 197062cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 197162cedc4fSFlorian Fainelli bool 197262cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 197362cedc4fSFlorian Fainelli 197459d6ab86SRalf Baechleconfig MIPS_MT_SMP 1975a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 197659d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 197759d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1978d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1979c080faa5SSteven J. Hill select SYNC_R4K 19800c2cb004SPaul Burton select MIPS_GIC_IPI 198159d6ab86SRalf Baechle select MIPS_MT 198259d6ab86SRalf Baechle select SMP 198387353d8aSRalf Baechle select SMP_UP 1984c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 1985c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 1986399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 198759d6ab86SRalf Baechle help 1988c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 1989c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 1990c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 1991c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 1992c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 199359d6ab86SRalf Baechle 1994f41ae0b2SRalf Baechleconfig MIPS_MT 1995f41ae0b2SRalf Baechle bool 1996f41ae0b2SRalf Baechle 19970ab7aefcSRalf Baechleconfig SCHED_SMT 19980ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 19990ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 20000ab7aefcSRalf Baechle default n 20010ab7aefcSRalf Baechle help 20020ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 20030ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 20040ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 20050ab7aefcSRalf Baechle 20060ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 20070ab7aefcSRalf Baechle bool 20080ab7aefcSRalf Baechle 2009f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2010f41ae0b2SRalf Baechle bool 2011f41ae0b2SRalf Baechle 2012f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2013f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2014f088fc84SRalf Baechle default y 2015b633648cSRalf Baechle depends on MIPS_MT_SMP 201607cc0c9eSRalf Baechle 201707cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 201807cc0c9eSRalf Baechle bool "VPE loader support." 2019704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 202007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 202107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 202207cc0c9eSRalf Baechle select MIPS_MT 202307cc0c9eSRalf Baechle help 202407cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 202507cc0c9eSRalf Baechle onto another VPE and running it. 2026f088fc84SRalf Baechle 202717a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 202817a1d523SDeng-Cheng Zhu bool 202917a1d523SDeng-Cheng Zhu default "y" 203017a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 203117a1d523SDeng-Cheng Zhu 20321a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 20331a2a6d7eSDeng-Cheng Zhu bool 20341a2a6d7eSDeng-Cheng Zhu default "y" 20351a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 20361a2a6d7eSDeng-Cheng Zhu 2037e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2038e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2039e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2040e01402b1SRalf Baechle default y 2041e01402b1SRalf Baechle help 2042e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2043e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2044e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2045e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2046e01402b1SRalf Baechle 2047e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2048e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2049e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 20505e83d430SRalf Baechle help 2051e01402b1SRalf Baechle 2052da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2053da615cf6SDeng-Cheng Zhu bool 2054da615cf6SDeng-Cheng Zhu default "y" 2055da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2056da615cf6SDeng-Cheng Zhu 20572c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 20582c973ef0SDeng-Cheng Zhu bool 20592c973ef0SDeng-Cheng Zhu default "y" 20602c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 20612c973ef0SDeng-Cheng Zhu 20624a16ff4cSRalf Baechleconfig MIPS_CMP 20635cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 2064b633648cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 206572e20142SPaul Burton select MIPS_GIC_IPI 2066b10b43baSMarkos Chandras select SMP 2067eb9b5141STim Anderson select SYNC_R4K 2068b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 20694a16ff4cSRalf Baechle select WEAK_ORDERING 20704a16ff4cSRalf Baechle default n 20714a16ff4cSRalf Baechle help 2072044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2073044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2074044505c7SPaul Burton its ability to start secondary CPUs. 20754a16ff4cSRalf Baechle 20765cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 20775cac93b3SPaul Burton instead of this. 20785cac93b3SPaul Burton 20790ee958e1SPaul Burtonconfig MIPS_CPS 20800ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 20810ee958e1SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 20820ee958e1SPaul Burton select MIPS_CM 20830ee958e1SPaul Burton select MIPS_CPC 20841d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 20850ee958e1SPaul Burton select MIPS_GIC_IPI 20860ee958e1SPaul Burton select SMP 20870ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 20881d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 20890ee958e1SPaul Burton select SYS_SUPPORTS_SMP 20900ee958e1SPaul Burton select WEAK_ORDERING 20910ee958e1SPaul Burton help 20920ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 20930ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 20940ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 20950ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 20960ee958e1SPaul Burton support is unavailable. 20970ee958e1SPaul Burton 20983179d37eSPaul Burtonconfig MIPS_CPS_PM 209939a59593SMarkos Chandras depends on MIPS_CPS 2100a8b84677SPaul Burton select MIPS_CPC 21013179d37eSPaul Burton bool 21023179d37eSPaul Burton 210372e20142SPaul Burtonconfig MIPS_GIC_IPI 210472e20142SPaul Burton bool 210572e20142SPaul Burton 21069f98f3ddSPaul Burtonconfig MIPS_CM 21079f98f3ddSPaul Burton bool 21089f98f3ddSPaul Burton 21099c38cf44SPaul Burtonconfig MIPS_CPC 21109c38cf44SPaul Burton bool 21112600990eSRalf Baechle 21121da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 21131da177e4SLinus Torvalds bool 21141da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 21151da177e4SLinus Torvalds default y 21161da177e4SLinus Torvalds 21171da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 21181da177e4SLinus Torvalds bool 21191da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 21201da177e4SLinus Torvalds default y 21211da177e4SLinus Torvalds 21221da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 21231da177e4SLinus Torvalds bool 21241da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 21251da177e4SLinus Torvalds default y 21261da177e4SLinus Torvalds 21272235a54dSSanjay Lal 212860ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 212934adb28dSRalf Baechle bool 213060ec6571Spascal@pabr.org 21319e2b5372SMarkos Chandraschoice 21329e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 21339e2b5372SMarkos Chandras 21349e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 21359e2b5372SMarkos Chandras bool "None" 21369e2b5372SMarkos Chandras help 21379e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 21389e2b5372SMarkos Chandras 21399693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 21409693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 21419e2b5372SMarkos Chandras bool "SmartMIPS" 21429693a853SFranck Bui-Huu help 21439693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 21449693a853SFranck Bui-Huu increased security at both hardware and software level for 21459693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 21469693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 21479693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 21489693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 21499693a853SFranck Bui-Huu here. 21509693a853SFranck Bui-Huu 2151bce86083SSteven J. Hillconfig CPU_MICROMIPS 2152aec711d5SMaciej W. Rozycki depends on 32BIT && SYS_SUPPORTS_MICROMIPS 21539e2b5372SMarkos Chandras bool "microMIPS" 2154bce86083SSteven J. Hill help 2155bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2156bce86083SSteven J. Hill microMIPS ISA 2157bce86083SSteven J. Hill 21589e2b5372SMarkos Chandrasendchoice 21599e2b5372SMarkos Chandras 2160a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 21614af94d5dSPaul Burton bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" 2162a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 21632a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2164a5e9a69eSPaul Burton help 2165a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2166a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 21671db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 21681db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 21691db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 21701db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 21711db1af84SPaul Burton the size & complexity of your kernel. 2172a5e9a69eSPaul Burton 2173a5e9a69eSPaul Burton If unsure, say Y. 2174a5e9a69eSPaul Burton 21751da177e4SLinus Torvaldsconfig CPU_HAS_WB 2176f7062ddbSRalf Baechle bool 2177e01402b1SRalf Baechle 2178df0ac8a4SKevin Cernekeeconfig XKS01 2179df0ac8a4SKevin Cernekee bool 2180df0ac8a4SKevin Cernekee 2181f41ae0b2SRalf Baechle# 2182f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2183f41ae0b2SRalf Baechle# 2184e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2185f41ae0b2SRalf Baechle bool 2186e01402b1SRalf Baechle 2187f41ae0b2SRalf Baechle# 2188f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2189f41ae0b2SRalf Baechle# 2190e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2191f41ae0b2SRalf Baechle bool 2192e01402b1SRalf Baechle 21931da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 21941da177e4SLinus Torvalds bool 21951da177e4SLinus Torvalds depends on !CPU_R3000 21961da177e4SLinus Torvalds default y 21971da177e4SLinus Torvalds 21981da177e4SLinus Torvalds# 219920d60d99SMaciej W. Rozycki# CPU non-features 220020d60d99SMaciej W. Rozycki# 220120d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 220220d60d99SMaciej W. Rozycki bool 220320d60d99SMaciej W. Rozycki 220420d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 220520d60d99SMaciej W. Rozycki bool 220620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 220720d60d99SMaciej W. Rozycki 220820d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 220920d60d99SMaciej W. Rozycki bool 221020d60d99SMaciej W. Rozycki 221120d60d99SMaciej W. Rozycki# 22121da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 22131da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 22141da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 22151da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 22161da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 22171da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 22181da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 22191da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2220797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2221797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2222797798c1SRalf Baechle# support. 22231da177e4SLinus Torvalds# 22241da177e4SLinus Torvaldsconfig HIGHMEM 22251da177e4SLinus Torvalds bool "High Memory Support" 2226a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2227797798c1SRalf Baechle 2228797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2229797798c1SRalf Baechle bool 2230797798c1SRalf Baechle 2231797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2232797798c1SRalf Baechle bool 22331da177e4SLinus Torvalds 22349693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 22359693a853SFranck Bui-Huu bool 22369693a853SFranck Bui-Huu 2237a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2238a6a4834cSSteven J. Hill bool 2239a6a4834cSSteven J. Hill 2240377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2241377cb1b6SRalf Baechle bool 2242377cb1b6SRalf Baechle help 2243377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2244377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2245377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2246377cb1b6SRalf Baechle 2247a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2248a5e9a69eSPaul Burton bool 2249a5e9a69eSPaul Burton 2250b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2251b4819b59SYoichi Yuasa def_bool y 2252f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2253b4819b59SYoichi Yuasa 2254d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2255d8cb4e11SRalf Baechle bool 2256d8cb4e11SRalf Baechle default y if SGI_IP27 2257d8cb4e11SRalf Baechle help 22583dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2259d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2260d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2261d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2262d8cb4e11SRalf Baechle 2263b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2264b1c6cd42SAtsushi Nemoto bool 22657de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 226631473747SAtsushi Nemoto 2267d8cb4e11SRalf Baechleconfig NUMA 2268d8cb4e11SRalf Baechle bool "NUMA Support" 2269d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2270d8cb4e11SRalf Baechle help 2271d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2272d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2273d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2274d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2275d8cb4e11SRalf Baechle disabled. 2276d8cb4e11SRalf Baechle 2277d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2278d8cb4e11SRalf Baechle bool 2279d8cb4e11SRalf Baechle 2280c80d79d7SYasunori Gotoconfig NODES_SHIFT 2281c80d79d7SYasunori Goto int 2282c80d79d7SYasunori Goto default "6" 2283c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2284c80d79d7SYasunori Goto 228514f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 228614f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2287b633648cSRalf Baechle depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) 228814f70012SDeng-Cheng Zhu default y 228914f70012SDeng-Cheng Zhu help 229014f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 229114f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 229214f70012SDeng-Cheng Zhu 2293b4819b59SYoichi Yuasasource "mm/Kconfig" 2294b4819b59SYoichi Yuasa 22951da177e4SLinus Torvaldsconfig SMP 22961da177e4SLinus Torvalds bool "Multi-Processing support" 2297e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2298e73ea273SRalf Baechle help 22991da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 23004a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 23014a474157SRobert Graffham than one CPU, say Y. 23021da177e4SLinus Torvalds 23034a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 23041da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 23051da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 23064a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 23071da177e4SLinus Torvalds will run faster if you say N here. 23081da177e4SLinus Torvalds 23091da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 23101da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 23111da177e4SLinus Torvalds 231203502faaSAdrian Bunk See also the SMP-HOWTO available at 231303502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 23141da177e4SLinus Torvalds 23151da177e4SLinus Torvalds If you don't know what to do here, say N. 23161da177e4SLinus Torvalds 231787353d8aSRalf Baechleconfig SMP_UP 231887353d8aSRalf Baechle bool 231987353d8aSRalf Baechle 23204a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 23214a16ff4cSRalf Baechle bool 23224a16ff4cSRalf Baechle 23230ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 23240ee958e1SPaul Burton bool 23250ee958e1SPaul Burton 2326e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2327e73ea273SRalf Baechle bool 2328e73ea273SRalf Baechle 2329130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2330130e2fb7SRalf Baechle bool 2331130e2fb7SRalf Baechle 2332130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2333130e2fb7SRalf Baechle bool 2334130e2fb7SRalf Baechle 2335130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2336130e2fb7SRalf Baechle bool 2337130e2fb7SRalf Baechle 2338130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2339130e2fb7SRalf Baechle bool 2340130e2fb7SRalf Baechle 2341130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2342130e2fb7SRalf Baechle bool 2343130e2fb7SRalf Baechle 23441da177e4SLinus Torvaldsconfig NR_CPUS 2345a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2346a91796a9SJayachandran C range 2 256 23471da177e4SLinus Torvalds depends on SMP 2348130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2349130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2350130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2351130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2352130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 23531da177e4SLinus Torvalds help 23541da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 23551da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 23561da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 235772ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 235872ede9b1SAtsushi Nemoto and 2 for all others. 23591da177e4SLinus Torvalds 23601da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 236172ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 236272ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 236372ede9b1SAtsushi Nemoto power of two. 23641da177e4SLinus Torvalds 2365399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2366399aaa25SAl Cooper bool 2367399aaa25SAl Cooper 23681723b4a3SAtsushi Nemoto# 23691723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 23701723b4a3SAtsushi Nemoto# 23711723b4a3SAtsushi Nemoto 23721723b4a3SAtsushi Nemotochoice 23731723b4a3SAtsushi Nemoto prompt "Timer frequency" 23741723b4a3SAtsushi Nemoto default HZ_250 23751723b4a3SAtsushi Nemoto help 23761723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 23771723b4a3SAtsushi Nemoto 23781723b4a3SAtsushi Nemoto config HZ_48 23790f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 23801723b4a3SAtsushi Nemoto 23811723b4a3SAtsushi Nemoto config HZ_100 23821723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 23831723b4a3SAtsushi Nemoto 23841723b4a3SAtsushi Nemoto config HZ_128 23851723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 23861723b4a3SAtsushi Nemoto 23871723b4a3SAtsushi Nemoto config HZ_250 23881723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 23891723b4a3SAtsushi Nemoto 23901723b4a3SAtsushi Nemoto config HZ_256 23911723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 23921723b4a3SAtsushi Nemoto 23931723b4a3SAtsushi Nemoto config HZ_1000 23941723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 23951723b4a3SAtsushi Nemoto 23961723b4a3SAtsushi Nemoto config HZ_1024 23971723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 23981723b4a3SAtsushi Nemoto 23991723b4a3SAtsushi Nemotoendchoice 24001723b4a3SAtsushi Nemoto 24011723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 24021723b4a3SAtsushi Nemoto bool 24031723b4a3SAtsushi Nemoto 24041723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 24051723b4a3SAtsushi Nemoto bool 24061723b4a3SAtsushi Nemoto 24071723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 24081723b4a3SAtsushi Nemoto bool 24091723b4a3SAtsushi Nemoto 24101723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 24111723b4a3SAtsushi Nemoto bool 24121723b4a3SAtsushi Nemoto 24131723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 24141723b4a3SAtsushi Nemoto bool 24151723b4a3SAtsushi Nemoto 24161723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 24171723b4a3SAtsushi Nemoto bool 24181723b4a3SAtsushi Nemoto 24191723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 24201723b4a3SAtsushi Nemoto bool 24211723b4a3SAtsushi Nemoto 24221723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 24231723b4a3SAtsushi Nemoto bool 24241723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 24251723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 24261723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 24271723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 24281723b4a3SAtsushi Nemoto 24291723b4a3SAtsushi Nemotoconfig HZ 24301723b4a3SAtsushi Nemoto int 24311723b4a3SAtsushi Nemoto default 48 if HZ_48 24321723b4a3SAtsushi Nemoto default 100 if HZ_100 24331723b4a3SAtsushi Nemoto default 128 if HZ_128 24341723b4a3SAtsushi Nemoto default 250 if HZ_250 24351723b4a3SAtsushi Nemoto default 256 if HZ_256 24361723b4a3SAtsushi Nemoto default 1000 if HZ_1000 24371723b4a3SAtsushi Nemoto default 1024 if HZ_1024 24381723b4a3SAtsushi Nemoto 2439e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 24401da177e4SLinus Torvalds 2441ea6e942bSAtsushi Nemotoconfig KEXEC 24427d60717eSKees Cook bool "Kexec system call" 2443ea6e942bSAtsushi Nemoto help 2444ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2445ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 24463dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2447ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2448ea6e942bSAtsushi Nemoto 244901dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2450ea6e942bSAtsushi Nemoto 2451ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2452ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2453bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2454bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2455bf220695SGeert Uytterhoeven made. 2456ea6e942bSAtsushi Nemoto 24577aa1c8f4SRalf Baechleconfig CRASH_DUMP 24587aa1c8f4SRalf Baechle bool "Kernel crash dumps" 24597aa1c8f4SRalf Baechle help 24607aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 24617aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 24627aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 24637aa1c8f4SRalf Baechle a specially reserved region and then later executed after 24647aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 24657aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 24667aa1c8f4SRalf Baechle PHYSICAL_START. 24677aa1c8f4SRalf Baechle 24687aa1c8f4SRalf Baechleconfig PHYSICAL_START 24697aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 24707aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 24717aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 24727aa1c8f4SRalf Baechle depends on CRASH_DUMP 24737aa1c8f4SRalf Baechle help 24747aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 24757aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 24767aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 24777aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 24787aa1c8f4SRalf Baechle passed to the panic-ed kernel). 24797aa1c8f4SRalf Baechle 2480ea6e942bSAtsushi Nemotoconfig SECCOMP 2481ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2482293c5bd1SRalf Baechle depends on PROC_FS 2483ea6e942bSAtsushi Nemoto default y 2484ea6e942bSAtsushi Nemoto help 2485ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2486ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2487ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2488ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2489ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2490ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2491ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2492ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2493ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2494ea6e942bSAtsushi Nemoto 2495ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2496ea6e942bSAtsushi Nemoto 2497597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 249806e2e882SPaul Burton bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" 2499597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2500597ce172SPaul Burton help 2501597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2502597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2503597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2504597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2505597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2506597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2507597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2508597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2509597ce172SPaul Burton saying N here. 2510597ce172SPaul Burton 251106e2e882SPaul Burton Although binutils currently supports use of this flag the details 251206e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 251306e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 251406e2e882SPaul Burton behaviour before the details have been finalised, this option should 251506e2e882SPaul Burton be considered experimental and only enabled by those working upon 251606e2e882SPaul Burton said details. 251706e2e882SPaul Burton 251806e2e882SPaul Burton If unsure, say N. 2519597ce172SPaul Burton 2520f2ffa5abSDezhong Diaoconfig USE_OF 25210b3e06fdSJonas Gorski bool 2522f2ffa5abSDezhong Diao select OF 2523e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2524abd2363fSGrant Likely select IRQ_DOMAIN 2525f2ffa5abSDezhong Diao 25267fafb068SAndrew Brestickerconfig BUILTIN_DTB 25277fafb068SAndrew Bresticker bool 25287fafb068SAndrew Bresticker 25295e83d430SRalf Baechleendmenu 25305e83d430SRalf Baechle 25311df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 25321df0f0ffSAtsushi Nemoto bool 25331df0f0ffSAtsushi Nemoto default y 25341df0f0ffSAtsushi Nemoto 25351df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 25361df0f0ffSAtsushi Nemoto bool 25371df0f0ffSAtsushi Nemoto default y 25381df0f0ffSAtsushi Nemoto 2539b6c3539bSRalf Baechlesource "init/Kconfig" 2540b6c3539bSRalf Baechle 2541dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2542dc52ddc0SMatt Helsley 25431da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 25441da177e4SLinus Torvalds 25455e83d430SRalf Baechleconfig HW_HAS_EISA 25465e83d430SRalf Baechle bool 25471da177e4SLinus Torvaldsconfig HW_HAS_PCI 25481da177e4SLinus Torvalds bool 25491da177e4SLinus Torvalds 25501da177e4SLinus Torvaldsconfig PCI 25511da177e4SLinus Torvalds bool "Support for PCI controller" 25521da177e4SLinus Torvalds depends on HW_HAS_PCI 2553abb4ae46SRalf Baechle select PCI_DOMAINS 25540f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 25551da177e4SLinus Torvalds help 25561da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 25571da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 25581da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 25591da177e4SLinus Torvalds say Y, otherwise N. 25601da177e4SLinus Torvalds 25610e476d91SHuacai Chenconfig HT_PCI 25620e476d91SHuacai Chen bool "Support for HT-linked PCI" 25630e476d91SHuacai Chen default y 25640e476d91SHuacai Chen depends on CPU_LOONGSON3 25650e476d91SHuacai Chen select PCI 25660e476d91SHuacai Chen select PCI_DOMAINS 25670e476d91SHuacai Chen help 25680e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 25690e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 25700e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 25710e476d91SHuacai Chen 25721da177e4SLinus Torvaldsconfig PCI_DOMAINS 25731da177e4SLinus Torvalds bool 25741da177e4SLinus Torvalds 25751da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 25761da177e4SLinus Torvalds 25773f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 25783f787ca4SJonas Gorski 25791da177e4SLinus Torvalds# 25801da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 25811da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 25821da177e4SLinus Torvalds# users to choose the right thing ... 25831da177e4SLinus Torvalds# 25841da177e4SLinus Torvaldsconfig ISA 25851da177e4SLinus Torvalds bool 25861da177e4SLinus Torvalds 25871da177e4SLinus Torvaldsconfig EISA 25881da177e4SLinus Torvalds bool "EISA support" 25895e83d430SRalf Baechle depends on HW_HAS_EISA 25901da177e4SLinus Torvalds select ISA 2591aa414dffSRalf Baechle select GENERIC_ISA_DMA 25921da177e4SLinus Torvalds ---help--- 25931da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 25941da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 25951da177e4SLinus Torvalds 25961da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 25971da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 25981da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 25991da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 26001da177e4SLinus Torvalds 26011da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 26021da177e4SLinus Torvalds 26031da177e4SLinus Torvalds Otherwise, say N. 26041da177e4SLinus Torvalds 26051da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 26061da177e4SLinus Torvalds 26071da177e4SLinus Torvaldsconfig TC 26081da177e4SLinus Torvalds bool "TURBOchannel support" 26091da177e4SLinus Torvalds depends on MACH_DECSTATION 26101da177e4SLinus Torvalds help 261150a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 261250a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 261350a23e6eSJustin P. Mattock at: 261450a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 261550a23e6eSJustin P. Mattock and: 261650a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 261750a23e6eSJustin P. Mattock Linux driver support status is documented at: 261850a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 26191da177e4SLinus Torvalds 26201da177e4SLinus Torvaldsconfig MMU 26211da177e4SLinus Torvalds bool 26221da177e4SLinus Torvalds default y 26231da177e4SLinus Torvalds 2624d865bea4SRalf Baechleconfig I8253 2625d865bea4SRalf Baechle bool 2626798778b8SRussell King select CLKSRC_I8253 26272d02612fSThomas Gleixner select CLKEVT_I8253 26289726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2629d865bea4SRalf Baechle 2630e05eb3f8SRalf Baechleconfig ZONE_DMA 2631e05eb3f8SRalf Baechle bool 2632e05eb3f8SRalf Baechle 2633cce335aeSRalf Baechleconfig ZONE_DMA32 2634cce335aeSRalf Baechle bool 2635cce335aeSRalf Baechle 26361da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 26371da177e4SLinus Torvalds 26381da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 26391da177e4SLinus Torvalds 2640388b78adSAlexandre Bounineconfig RAPIDIO 264156abde72SAlexandre Bounine tristate "RapidIO support" 2642388b78adSAlexandre Bounine depends on PCI 2643388b78adSAlexandre Bounine default n 2644388b78adSAlexandre Bounine help 2645388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2646388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2647388b78adSAlexandre Bounine 2648388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2649388b78adSAlexandre Bounine 26501da177e4SLinus Torvaldsendmenu 26511da177e4SLinus Torvalds 26521da177e4SLinus Torvaldsmenu "Executable file formats" 26531da177e4SLinus Torvalds 26541da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 26551da177e4SLinus Torvalds 26561da177e4SLinus Torvaldsconfig TRAD_SIGNALS 26571da177e4SLinus Torvalds bool 26581da177e4SLinus Torvalds 26591da177e4SLinus Torvaldsconfig MIPS32_COMPAT 26601da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2661875d43e7SRalf Baechle depends on 64BIT 26621da177e4SLinus Torvalds help 26631da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 26641da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 26651da177e4SLinus Torvalds currently 32-bit you should say Y here. 26661da177e4SLinus Torvalds 26671da177e4SLinus Torvaldsconfig COMPAT 26681da177e4SLinus Torvalds bool 26691da177e4SLinus Torvalds depends on MIPS32_COMPAT 267048b25c43SChris Metcalf select ARCH_WANT_OLD_COMPAT_IPC 26711da177e4SLinus Torvalds default y 26721da177e4SLinus Torvalds 267305e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 267405e43966SAtsushi Nemoto bool 267505e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 267605e43966SAtsushi Nemoto default y 267705e43966SAtsushi Nemoto 26781da177e4SLinus Torvaldsconfig MIPS32_O32 26791da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 26801da177e4SLinus Torvalds depends on MIPS32_COMPAT 26811da177e4SLinus Torvalds help 26821da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 26831da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 26841da177e4SLinus Torvalds existing binaries are in this format. 26851da177e4SLinus Torvalds 26861da177e4SLinus Torvalds If unsure, say Y. 26871da177e4SLinus Torvalds 26881da177e4SLinus Torvaldsconfig MIPS32_N32 26891da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 26901da177e4SLinus Torvalds depends on MIPS32_COMPAT 26911da177e4SLinus Torvalds help 26921da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 26931da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 26941da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 26951da177e4SLinus Torvalds cases. 26961da177e4SLinus Torvalds 26971da177e4SLinus Torvalds If unsure, say N. 26981da177e4SLinus Torvalds 26991da177e4SLinus Torvaldsconfig BINFMT_ELF32 27001da177e4SLinus Torvalds bool 27011da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 27021da177e4SLinus Torvalds 27032116245eSRalf Baechleendmenu 27041da177e4SLinus Torvalds 27052116245eSRalf Baechlemenu "Power management options" 2706952fa954SRodolfo Giometti 2707363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2708363c55caSWu Zhangjin def_bool y 27093f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2710363c55caSWu Zhangjin 2711f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2712f4cb5700SJohannes Berg def_bool y 27133f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2714f4cb5700SJohannes Berg 27152116245eSRalf Baechlesource "kernel/power/Kconfig" 2716952fa954SRodolfo Giometti 27171da177e4SLinus Torvaldsendmenu 27181da177e4SLinus Torvalds 27197a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 27207a998935SViresh Kumar bool 27217a998935SViresh Kumar 27227a998935SViresh Kumarmenu "CPU Power Management" 2723c095ebafSPaul Burton 2724c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 27257a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 27267a998935SViresh Kumarendif 27279726b43aSWu Zhangjin 2728c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2729c095ebafSPaul Burton 2730c095ebafSPaul Burtonendmenu 2731c095ebafSPaul Burton 2732d5950b43SSam Ravnborgsource "net/Kconfig" 2733d5950b43SSam Ravnborg 27341da177e4SLinus Torvaldssource "drivers/Kconfig" 27351da177e4SLinus Torvalds 273698cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 273798cdee0eSRalf Baechle 27381da177e4SLinus Torvaldssource "fs/Kconfig" 27391da177e4SLinus Torvalds 27401da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 27411da177e4SLinus Torvalds 27421da177e4SLinus Torvaldssource "security/Kconfig" 27431da177e4SLinus Torvalds 27441da177e4SLinus Torvaldssource "crypto/Kconfig" 27451da177e4SLinus Torvalds 27461da177e4SLinus Torvaldssource "lib/Kconfig" 27472235a54dSSanjay Lal 27482235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2749