11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 5393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 6c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 7f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 8ec7748b5SSam Ravnborg select HAVE_IDE 942d4b839SMathieu Desnoyers select HAVE_OPROFILE 107f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 117f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1288547001SJason Wessel select HAVE_ARCH_KGDB 13490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 14c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 153f5fdb4bSMarkos Chandras select HAVE_BPF_JIT if !CPU_MICROMIPS 167563bbf8SMark Brown select ARCH_HAVE_CUSTOM_GPIO_H 17d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 18538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 19538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2064575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2129c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 22c1bf207dSDavid Daney select HAVE_KPROBES 23c1bf207dSDavid Daney select HAVE_KRETPROBES 24b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 251d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 26e26d196cSDavid Daney select ARCH_BINFMT_ELF_RANDOMIZE_PIE 27383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 2821a41faaSWu Zhangjin select RTC_LIB if !MACH_LOONGSON 292b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 307463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 3148e1fd5aSDavid Daney select HAVE_DMA_ATTRS 32f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3348e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 343bd27e32SDavid Daney select GENERIC_IRQ_PROBE 35f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 3678857614SMarkos Chandras select GENERIC_PCI_IOMAP 3794bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 38c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 390f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 409d15ffc8STejun Heo select HAVE_MEMBLOCK 419d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 429d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 43360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 444b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 45cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 46cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 47786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 484febd95aSStephen Rothwell select VIRT_TO_BUS 492f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 502f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5150150d2bSAl Viro select CLONE_BACKWARDS 52d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5319952a92SKees Cook select HAVE_CC_STACKPROTECTOR 54b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 55cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 5690cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 57d79d853dSMarkos Chandras select SYSCTL_EXCEPTION_TRACE 581da177e4SLinus Torvalds 591da177e4SLinus Torvaldsmenu "Machine selection" 601da177e4SLinus Torvalds 615e83d430SRalf Baechlechoice 625e83d430SRalf Baechle prompt "System type" 635e83d430SRalf Baechle default SGI_IP22 641da177e4SLinus Torvalds 6542a4f17dSManuel Laussconfig MIPS_ALCHEMY 66c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 6734adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 68f772cdb2SRalf Baechle select CEVT_R4K 69d7ea335cSSteven J. Hill select CSRC_R4K 7042a4f17dSManuel Lauss select IRQ_CPU 7188e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 7242a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 7342a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 7442a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 75efb12436SAlexandre Courbot select ARCH_REQUIRE_GPIOLIB 761b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 7747440229SManuel Lauss select COMMON_CLK 781da177e4SLinus Torvalds 797ca5dc14SFlorian Fainelliconfig AR7 807ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 817ca5dc14SFlorian Fainelli select BOOT_ELF32 827ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 837ca5dc14SFlorian Fainelli select CEVT_R4K 847ca5dc14SFlorian Fainelli select CSRC_R4K 857ca5dc14SFlorian Fainelli select IRQ_CPU 867ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 877ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 887ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 897ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 907ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 917ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 92377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 931b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 945f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 957ca5dc14SFlorian Fainelli select VLYNQ 968551fb64SYoichi Yuasa select HAVE_CLK 977ca5dc14SFlorian Fainelli help 987ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 997ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1007ca5dc14SFlorian Fainelli 10143cc739fSSergey Ryazanovconfig ATH25 10243cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 10343cc739fSSergey Ryazanov select CEVT_R4K 10443cc739fSSergey Ryazanov select CSRC_R4K 10543cc739fSSergey Ryazanov select DMA_NONCOHERENT 10643cc739fSSergey Ryazanov select IRQ_CPU 1071753e74eSSergey Ryazanov select IRQ_DOMAIN 10843cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 10943cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 11043cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1118aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 11243cc739fSSergey Ryazanov help 11343cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 11443cc739fSSergey Ryazanov 115d4a67d9dSGabor Juhosconfig ATH79 116d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 1176eae43c5SGabor Juhos select ARCH_REQUIRE_GPIOLIB 118d4a67d9dSGabor Juhos select BOOT_RAW 119d4a67d9dSGabor Juhos select CEVT_R4K 120d4a67d9dSGabor Juhos select CSRC_R4K 121d4a67d9dSGabor Juhos select DMA_NONCOHERENT 12294638067SGabor Juhos select HAVE_CLK 1232c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 124d4a67d9dSGabor Juhos select IRQ_CPU 1250aabf1a4SGabor Juhos select MIPS_MACHINE 126d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 127d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 128d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 129d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 130377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 131d4a67d9dSGabor Juhos help 132d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 133d4a67d9dSGabor Juhos 134d666cd02SKevin Cernekeeconfig BCM3384 135d666cd02SKevin Cernekee bool "Broadcom BCM3384 based boards" 136d666cd02SKevin Cernekee select BOOT_RAW 137d666cd02SKevin Cernekee select NO_EXCEPT_FILL 138d666cd02SKevin Cernekee select USE_OF 139d666cd02SKevin Cernekee select CEVT_R4K 140d666cd02SKevin Cernekee select CSRC_R4K 141d666cd02SKevin Cernekee select SYNC_R4K 142d666cd02SKevin Cernekee select COMMON_CLK 143d666cd02SKevin Cernekee select DMA_NONCOHERENT 144d666cd02SKevin Cernekee select IRQ_CPU 145d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 146d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 147d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 148d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 149d666cd02SKevin Cernekee select SWAP_IO_SPACE 150d666cd02SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC 151d666cd02SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO 152d666cd02SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC 153d666cd02SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO 154d666cd02SKevin Cernekee help 155d666cd02SKevin Cernekee Support for BCM3384 based boards. BCM3384/BCM33843 is a cable modem 156d666cd02SKevin Cernekee chipset with a Linux application processor that is often used to 157d666cd02SKevin Cernekee provide Samba services, a CUPS print server, and/or advanced routing 158d666cd02SKevin Cernekee features. 159d666cd02SKevin Cernekee 1601c0c13ebSAurelien Jarnoconfig BCM47XX 161c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 1622da4c74dSHauke Mehrtens select ARCH_WANT_OPTIONAL_GPIOLIB 163fe08f8c2SHauke Mehrtens select BOOT_RAW 16442f77542SRalf Baechle select CEVT_R4K 165940f6b48SRalf Baechle select CSRC_R4K 1661c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1671c0c13ebSAurelien Jarno select HW_HAS_PCI 1681c0c13ebSAurelien Jarno select IRQ_CPU 169314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 170dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1711c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1721c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 173377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 17425e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 175e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 176c949c0bcSRafał Miłecki select GPIOLIB 177c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 1781c0c13ebSAurelien Jarno help 1791c0c13ebSAurelien Jarno Support for BCM47XX based boards 1801c0c13ebSAurelien Jarno 181e7300d04SMaxime Bizonconfig BCM63XX 182e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 183ae8de61cSFlorian Fainelli select BOOT_RAW 184e7300d04SMaxime Bizon select CEVT_R4K 185e7300d04SMaxime Bizon select CSRC_R4K 186fc264022SJonas Gorski select SYNC_R4K 187e7300d04SMaxime Bizon select DMA_NONCOHERENT 188e7300d04SMaxime Bizon select IRQ_CPU 189e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 190e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 191e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 192e7300d04SMaxime Bizon select SWAP_IO_SPACE 193e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 1943e82eeebSYoichi Yuasa select HAVE_CLK 195af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 196e7300d04SMaxime Bizon help 197e7300d04SMaxime Bizon Support for BCM63XX based boards 198e7300d04SMaxime Bizon 1991da177e4SLinus Torvaldsconfig MIPS_COBALT 2003fa986faSMartin Michlmayr bool "Cobalt Server" 20142f77542SRalf Baechle select CEVT_R4K 202940f6b48SRalf Baechle select CSRC_R4K 2031097c6acSYoichi Yuasa select CEVT_GT641XX 2041da177e4SLinus Torvalds select DMA_NONCOHERENT 2051da177e4SLinus Torvalds select HW_HAS_PCI 206d865bea4SRalf Baechle select I8253 2071da177e4SLinus Torvalds select I8259 2081da177e4SLinus Torvalds select IRQ_CPU 209d5ab1a69SYoichi Yuasa select IRQ_GT641XX 210252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 211e25bfc92SYoichi Yuasa select PCI 2127cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2130a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 214ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2150e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2165e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 217e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2181da177e4SLinus Torvalds 2191da177e4SLinus Torvaldsconfig MACH_DECSTATION 2203fa986faSMartin Michlmayr bool "DECstations" 2211da177e4SLinus Torvalds select BOOT_ELF32 2226457d9fcSYoichi Yuasa select CEVT_DS1287 22381d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2244247417dSYoichi Yuasa select CSRC_IOASIC 22581d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 22620d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 22720d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 22820d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 2291da177e4SLinus Torvalds select DMA_NONCOHERENT 230ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 2311da177e4SLinus Torvalds select IRQ_CPU 2327cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 2337cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 234ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2357d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2365e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2371723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 2381723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 2391723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 240930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2415e83d430SRalf Baechle help 2421da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2431da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2441da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2451da177e4SLinus Torvalds 2461da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2471da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds DECstation 5000/50 2501da177e4SLinus Torvalds DECstation 5000/150 2511da177e4SLinus Torvalds DECstation 5000/260 2521da177e4SLinus Torvalds DECsystem 5900/260 2531da177e4SLinus Torvalds 2541da177e4SLinus Torvalds otherwise choose R3000. 2551da177e4SLinus Torvalds 2565e83d430SRalf Baechleconfig MACH_JAZZ 2573fa986faSMartin Michlmayr bool "Jazz family of machines" 2580e2794b0SRalf Baechle select FW_ARC 2590e2794b0SRalf Baechle select FW_ARC32 2605e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 26142f77542SRalf Baechle select CEVT_R4K 262940f6b48SRalf Baechle select CSRC_R4K 263e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2645e83d430SRalf Baechle select GENERIC_ISA_DMA 2658a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 266ea202c63SThomas Bogendoerfer select IRQ_CPU 267d865bea4SRalf Baechle select I8253 2685e83d430SRalf Baechle select I8259 2695e83d430SRalf Baechle select ISA 2707cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2715e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2727d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2731723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2741da177e4SLinus Torvalds help 2755e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2765e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 277692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 2785e83d430SRalf Baechle Olivetti M700-10 workstations. 2795e83d430SRalf Baechle 2805ebabe59SLars-Peter Clausenconfig MACH_JZ4740 2815ebabe59SLars-Peter Clausen bool "Ingenic JZ4740 based machines" 2825ebabe59SLars-Peter Clausen select SYS_HAS_CPU_MIPS32_R1 2835ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 2845ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 285f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 2865ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 2875ebabe59SLars-Peter Clausen select IRQ_CPU 2885ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 2895ebabe59SLars-Peter Clausen select SYS_HAS_EARLY_PRINTK 290ab5330ebSMaurus Cuelenaere select HAVE_CLK 29183bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 2925ebabe59SLars-Peter Clausen 293171bb2f1SJohn Crispinconfig LANTIQ 294171bb2f1SJohn Crispin bool "Lantiq based platforms" 295171bb2f1SJohn Crispin select DMA_NONCOHERENT 296171bb2f1SJohn Crispin select IRQ_CPU 297171bb2f1SJohn Crispin select CEVT_R4K 298171bb2f1SJohn Crispin select CSRC_R4K 299171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 300171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 301171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 302171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 303377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 304171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 305171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 306171bb2f1SJohn Crispin select ARCH_REQUIRE_GPIOLIB 307171bb2f1SJohn Crispin select SWAP_IO_SPACE 308171bb2f1SJohn Crispin select BOOT_RAW 309287e3f3fSJohn Crispin select HAVE_MACH_CLKDEV 310287e3f3fSJohn Crispin select CLKDEV_LOOKUP 311a0392222SJohn Crispin select USE_OF 3123f8c50c9SJohn Crispin select PINCTRL 3133f8c50c9SJohn Crispin select PINCTRL_LANTIQ 314c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 315c530781cSJohn Crispin select RESET_CONTROLLER 316171bb2f1SJohn Crispin 3171f21d2bdSBrian Murphyconfig LASAT 3181f21d2bdSBrian Murphy bool "LASAT Networks platforms" 31942f77542SRalf Baechle select CEVT_R4K 32016f0bbbcSRalf Baechle select CRC32 321940f6b48SRalf Baechle select CSRC_R4K 3221f21d2bdSBrian Murphy select DMA_NONCOHERENT 3231f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3241f21d2bdSBrian Murphy select HW_HAS_PCI 325a5ccfe5cSRalf Baechle select IRQ_CPU 3261f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 3271f21d2bdSBrian Murphy select MIPS_NILE4 3281f21d2bdSBrian Murphy select R5000_CPU_SCACHE 3291f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 3301f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 3311f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 3321f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 3331f21d2bdSBrian Murphy 33485749d24SWu Zhangjinconfig MACH_LOONGSON 33585749d24SWu Zhangjin bool "Loongson family of machines" 336c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 337ade299d8SYoichi Yuasa help 33885749d24SWu Zhangjin This enables the support of Loongson family of machines. 33985749d24SWu Zhangjin 34085749d24SWu Zhangjin Loongson is a family of general-purpose MIPS-compatible CPUs. 34185749d24SWu Zhangjin developed at Institute of Computing Technology (ICT), 34285749d24SWu Zhangjin Chinese Academy of Sciences (CAS) in the People's Republic 34385749d24SWu Zhangjin of China. The chief architect is Professor Weiwu Hu. 344ade299d8SYoichi Yuasa 345ca585cf9SKelvin Cheungconfig MACH_LOONGSON1 346ca585cf9SKelvin Cheung bool "Loongson 1 family of machines" 347ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 348ca585cf9SKelvin Cheung help 349ca585cf9SKelvin Cheung This enables support for the Loongson 1 based machines. 350ca585cf9SKelvin Cheung 351ca585cf9SKelvin Cheung Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by 352ca585cf9SKelvin Cheung the ICT (Institute of Computing Technology) and the Chinese Academy 353ca585cf9SKelvin Cheung of Sciences. 354ca585cf9SKelvin Cheung 3551da177e4SLinus Torvaldsconfig MIPS_MALTA 3563fa986faSMartin Michlmayr bool "MIPS Malta board" 35761ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 3581da177e4SLinus Torvalds select BOOT_ELF32 359fa71c960SRalf Baechle select BOOT_RAW 36042f77542SRalf Baechle select CEVT_R4K 361940f6b48SRalf Baechle select CSRC_R4K 362fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 363885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 3641da177e4SLinus Torvalds select GENERIC_ISA_DMA 3658a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 366aa414dffSRalf Baechle select IRQ_CPU 3678a19b8f1SAndrew Bresticker select MIPS_GIC 3681da177e4SLinus Torvalds select HW_HAS_PCI 369d865bea4SRalf Baechle select I8253 3701da177e4SLinus Torvalds select I8259 3715e83d430SRalf Baechle select MIPS_BONITO64 3729318c51aSChris Dearman select MIPS_CPU_SCACHE 373a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 374252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3755e83d430SRalf Baechle select MIPS_MSC 3761da177e4SLinus Torvalds select SWAP_IO_SPACE 3777cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 3787cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 379bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 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 10374e0748f5SMarkos Chandrasconfig GENERIC_CSUM 10384e0748f5SMarkos Chandras bool 10394e0748f5SMarkos Chandras 10408313da30SRalf Baechleconfig GENERIC_ISA_DMA 10418313da30SRalf Baechle bool 10428313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1043a35bee8aSNamhyung Kim select ISA_DMA_API 10448313da30SRalf Baechle 1045aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1046aa414dffSRalf Baechle bool 10478313da30SRalf Baechle select GENERIC_ISA_DMA 1048aa414dffSRalf Baechle 1049a35bee8aSNamhyung Kimconfig ISA_DMA_API 1050a35bee8aSNamhyung Kim bool 1051a35bee8aSNamhyung Kim 1052465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1053465aaed0SDavid Daney bool 1054465aaed0SDavid Daney 10555e83d430SRalf Baechle# 10566b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 10575e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 10585e83d430SRalf Baechle# choice statement should be more obvious to the user. 10595e83d430SRalf Baechle# 10605e83d430SRalf Baechlechoice 10616b2aac42SMasanari Iida prompt "Endianness selection" 10621da177e4SLinus Torvalds help 10631da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 10645e83d430SRalf Baechle byte order. These modes require different kernels and a different 10653cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 10665e83d430SRalf Baechle particular system but some systems are just as commonly used in the 10673dde6ad8SDavid Sterba one or the other endianness. 10685e83d430SRalf Baechle 10695e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 10705e83d430SRalf Baechle bool "Big endian" 10715e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 10725e83d430SRalf Baechle 10735e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 10745e83d430SRalf Baechle bool "Little endian" 10755e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 10765e83d430SRalf Baechle 10775e83d430SRalf Baechleendchoice 10785e83d430SRalf Baechle 107922b0763aSDavid Daneyconfig EXPORT_UASM 108022b0763aSDavid Daney bool 108122b0763aSDavid Daney 10822116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 10832116245eSRalf Baechle bool 10842116245eSRalf Baechle 10855e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 10865e83d430SRalf Baechle bool 10875e83d430SRalf Baechle 10885e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 10895e83d430SRalf Baechle bool 10901da177e4SLinus Torvalds 10919cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 10929cffd154SDavid Daney bool 10939cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 10949cffd154SDavid Daney default y 10959cffd154SDavid Daney 1096aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1097aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1098aa1762f4SDavid Daney 10991da177e4SLinus Torvaldsconfig IRQ_CPU 11001da177e4SLinus Torvalds bool 11010f84c305SAndrew Bresticker select IRQ_DOMAIN 11021da177e4SLinus Torvalds 11031da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 11041da177e4SLinus Torvalds bool 11051da177e4SLinus Torvalds 11069267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 11079267a30dSMarc St-Jean bool 11089267a30dSMarc St-Jean 11099267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 11109267a30dSMarc St-Jean bool 11119267a30dSMarc St-Jean 11128420fd00SAtsushi Nemotoconfig IRQ_TXX9 11138420fd00SAtsushi Nemoto bool 11148420fd00SAtsushi Nemoto 1115d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1116d5ab1a69SYoichi Yuasa bool 1117d5ab1a69SYoichi Yuasa 1118252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 11191da177e4SLinus Torvalds bool 11201da177e4SLinus Torvalds 11219267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 11229267a30dSMarc St-Jean bool 11239267a30dSMarc St-Jean 1124a83860c2SRalf Baechleconfig SOC_EMMA2RH 1125a83860c2SRalf Baechle bool 1126a83860c2SRalf Baechle select CEVT_R4K 1127a83860c2SRalf Baechle select CSRC_R4K 1128a83860c2SRalf Baechle select DMA_NONCOHERENT 1129a83860c2SRalf Baechle select IRQ_CPU 1130a83860c2SRalf Baechle select SWAP_IO_SPACE 1131a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1132a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1133a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1134a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1135a83860c2SRalf Baechle 1136edb6310aSDaniel Lairdconfig SOC_PNX833X 1137edb6310aSDaniel Laird bool 1138edb6310aSDaniel Laird select CEVT_R4K 1139edb6310aSDaniel Laird select CSRC_R4K 1140edb6310aSDaniel Laird select IRQ_CPU 1141edb6310aSDaniel Laird select DMA_NONCOHERENT 1142edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1143edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1144edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1145edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1146377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1147edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1148edb6310aSDaniel Laird 1149edb6310aSDaniel Lairdconfig SOC_PNX8335 1150edb6310aSDaniel Laird bool 1151edb6310aSDaniel Laird select SOC_PNX833X 1152edb6310aSDaniel Laird 1153*a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1154*a7e07b1aSMarkos Chandras bool 1155*a7e07b1aSMarkos Chandras 11561da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 11571da177e4SLinus Torvalds bool 11581da177e4SLinus Torvalds 1159e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1160e2defae5SThomas Bogendoerfer bool 1161e2defae5SThomas Bogendoerfer 11625b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 11635b438c44SThomas Bogendoerfer bool 11645b438c44SThomas Bogendoerfer 1165e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1166e2defae5SThomas Bogendoerfer bool 1167e2defae5SThomas Bogendoerfer 1168e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1169e2defae5SThomas Bogendoerfer bool 1170e2defae5SThomas Bogendoerfer 1171e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1172e2defae5SThomas Bogendoerfer bool 1173e2defae5SThomas Bogendoerfer 1174e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1175e2defae5SThomas Bogendoerfer bool 1176e2defae5SThomas Bogendoerfer 1177e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1178e2defae5SThomas Bogendoerfer bool 1179e2defae5SThomas Bogendoerfer 11800e2794b0SRalf Baechleconfig FW_ARC32 11815e83d430SRalf Baechle bool 11825e83d430SRalf Baechle 1183aaa9fad3SPaul Bolleconfig FW_SNIPROM 1184231a35d3SThomas Bogendoerfer bool 1185231a35d3SThomas Bogendoerfer 11861da177e4SLinus Torvaldsconfig BOOT_ELF32 11871da177e4SLinus Torvalds bool 11881da177e4SLinus Torvalds 1189930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1190930beb5aSFlorian Fainelli bool 1191930beb5aSFlorian Fainelli 1192930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1193930beb5aSFlorian Fainelli bool 1194930beb5aSFlorian Fainelli 1195930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1196930beb5aSFlorian Fainelli bool 1197930beb5aSFlorian Fainelli 1198930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1199930beb5aSFlorian Fainelli bool 1200930beb5aSFlorian Fainelli 12011da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12021da177e4SLinus Torvalds int 1203a4c0201eSFlorian Fainelli default "4" if MIPS_L1_CACHE_SHIFT_4 1204a4c0201eSFlorian Fainelli default "5" if MIPS_L1_CACHE_SHIFT_5 1205a4c0201eSFlorian Fainelli default "6" if MIPS_L1_CACHE_SHIFT_6 1206a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12071da177e4SLinus Torvalds default "5" 12081da177e4SLinus Torvalds 12091da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 12101da177e4SLinus Torvalds bool 12111da177e4SLinus Torvalds 12121da177e4SLinus Torvaldsconfig ARC_CONSOLE 12131da177e4SLinus Torvalds bool "ARC console support" 1214e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12151da177e4SLinus Torvalds 12161da177e4SLinus Torvaldsconfig ARC_MEMORY 12171da177e4SLinus Torvalds bool 121814b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 12191da177e4SLinus Torvalds default y 12201da177e4SLinus Torvalds 12211da177e4SLinus Torvaldsconfig ARC_PROMLIB 12221da177e4SLinus Torvalds bool 1223e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 12241da177e4SLinus Torvalds default y 12251da177e4SLinus Torvalds 12260e2794b0SRalf Baechleconfig FW_ARC64 12271da177e4SLinus Torvalds bool 12281da177e4SLinus Torvalds 12291da177e4SLinus Torvaldsconfig BOOT_ELF64 12301da177e4SLinus Torvalds bool 12311da177e4SLinus Torvalds 12321da177e4SLinus Torvaldsmenu "CPU selection" 12331da177e4SLinus Torvalds 12341da177e4SLinus Torvaldschoice 12351da177e4SLinus Torvalds prompt "CPU type" 12361da177e4SLinus Torvalds default CPU_R4X00 12371da177e4SLinus Torvalds 12380e476d91SHuacai Chenconfig CPU_LOONGSON3 12390e476d91SHuacai Chen bool "Loongson 3 CPU" 12400e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 12410e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 12420e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 12430e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 12440e476d91SHuacai Chen select WEAK_ORDERING 12450e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 12460e476d91SHuacai Chen help 12470e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 12480e476d91SHuacai Chen set with many extensions. 12490e476d91SHuacai Chen 12503702bba5SWu Zhangjinconfig CPU_LOONGSON2E 12513702bba5SWu Zhangjin bool "Loongson 2E" 12523702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 12533702bba5SWu Zhangjin select CPU_LOONGSON2 12542a21c730SFuxin Zhang help 12552a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 12562a21c730SFuxin Zhang with many extensions. 12572a21c730SFuxin Zhang 125825985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 12596f7a251aSWu Zhangjin bonito64. 12606f7a251aSWu Zhangjin 12616f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 12626f7a251aSWu Zhangjin bool "Loongson 2F" 12636f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 12646f7a251aSWu Zhangjin select CPU_LOONGSON2 1265c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 12666f7a251aSWu Zhangjin help 12676f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 12686f7a251aSWu Zhangjin with many extensions. 12696f7a251aSWu Zhangjin 12706f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 12716f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 12726f7a251aSWu Zhangjin Loongson2E. 12736f7a251aSWu Zhangjin 1274ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1275ca585cf9SKelvin Cheung bool "Loongson 1B" 1276ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1277ca585cf9SKelvin Cheung select CPU_LOONGSON1 1278ca585cf9SKelvin Cheung help 1279ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1280ca585cf9SKelvin Cheung release 2 instruction set. 1281ca585cf9SKelvin Cheung 12826e760c8dSRalf Baechleconfig CPU_MIPS32_R1 12836e760c8dSRalf Baechle bool "MIPS32 Release 1" 12847cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 12856e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1286797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1287ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12886e760c8dSRalf Baechle help 12895e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 12901e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 12911e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 12921e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 12931e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 12941e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 12951e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 12961e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 12971e5f1caaSRalf Baechle performance. 12981e5f1caaSRalf Baechle 12991e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 13001e5f1caaSRalf Baechle bool "MIPS32 Release 2" 13017cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 13021e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1303797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1304ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1305a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13062235a54dSSanjay Lal select HAVE_KVM 13071e5f1caaSRalf Baechle help 13085e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 13096e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13106e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13116e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13126e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13131da177e4SLinus Torvalds 13147fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 13157fd08ca5SLeonid Yegoshin bool "MIPS32 Release 6 (EXPERIMENTAL)" 13167fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 13177fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 13187fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 13197fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 13207fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 13214e0748f5SMarkos Chandras select GENERIC_CSUM 13227fd08ca5SLeonid Yegoshin select HAVE_KVM 13237fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 13247fd08ca5SLeonid Yegoshin help 13257fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 13267fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 13277fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 13287fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 13297fd08ca5SLeonid Yegoshin 13306e760c8dSRalf Baechleconfig CPU_MIPS64_R1 13316e760c8dSRalf Baechle bool "MIPS64 Release 1" 13327cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1333797798c1SRalf Baechle select CPU_HAS_PREFETCH 1334ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1335ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1336ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13379cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 13386e760c8dSRalf Baechle help 13396e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 13406e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13416e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13426e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13436e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13441e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 13451e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 13461e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 13471e5f1caaSRalf Baechle performance. 13481e5f1caaSRalf Baechle 13491e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 13501e5f1caaSRalf Baechle bool "MIPS64 Release 2" 13517cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1352797798c1SRalf Baechle select CPU_HAS_PREFETCH 13531e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 13541e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1355ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13569cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1357a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13581e5f1caaSRalf Baechle help 13591e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 13601e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13611e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13621e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13631e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13641da177e4SLinus Torvalds 13657fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 13667fd08ca5SLeonid Yegoshin bool "MIPS64 Release 6 (EXPERIMENTAL)" 13677fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 13687fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 13697fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 13707fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 13717fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 13727fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 13734e0748f5SMarkos Chandras select GENERIC_CSUM 13747fd08ca5SLeonid Yegoshin help 13757fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 13767fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 13777fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 13787fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 13797fd08ca5SLeonid Yegoshin 13801da177e4SLinus Torvaldsconfig CPU_R3000 13811da177e4SLinus Torvalds bool "R3000" 13827cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1383f7062ddbSRalf Baechle select CPU_HAS_WB 1384ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1385797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13861da177e4SLinus Torvalds help 13871da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 13881da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 13891da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 13901da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 13911da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 13921da177e4SLinus Torvalds try to recompile with R3000. 13931da177e4SLinus Torvalds 13941da177e4SLinus Torvaldsconfig CPU_TX39XX 13951da177e4SLinus Torvalds bool "R39XX" 13967cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1397ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 13981da177e4SLinus Torvalds 13991da177e4SLinus Torvaldsconfig CPU_VR41XX 14001da177e4SLinus Torvalds bool "R41xx" 14017cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1402ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1403ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14041da177e4SLinus Torvalds help 14055e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 14061da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 14071da177e4SLinus Torvalds kernel built with this option will not run on any other type of 14081da177e4SLinus Torvalds processor or vice versa. 14091da177e4SLinus Torvalds 14101da177e4SLinus Torvaldsconfig CPU_R4300 14111da177e4SLinus Torvalds bool "R4300" 14127cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1413ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1414ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14151da177e4SLinus Torvalds help 14161da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 14171da177e4SLinus Torvalds 14181da177e4SLinus Torvaldsconfig CPU_R4X00 14191da177e4SLinus Torvalds bool "R4x00" 14207cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1421ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1422ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1423970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14241da177e4SLinus Torvalds help 14251da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 14261da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 14271da177e4SLinus Torvalds 14281da177e4SLinus Torvaldsconfig CPU_TX49XX 14291da177e4SLinus Torvalds bool "R49XX" 14307cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1431de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1432ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1433ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1434970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14351da177e4SLinus Torvalds 14361da177e4SLinus Torvaldsconfig CPU_R5000 14371da177e4SLinus Torvalds bool "R5000" 14387cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1439ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1440ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1441970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14421da177e4SLinus Torvalds help 14431da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 14441da177e4SLinus Torvalds 14451da177e4SLinus Torvaldsconfig CPU_R5432 14461da177e4SLinus Torvalds bool "R5432" 14477cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 14485e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14495e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1450970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14511da177e4SLinus Torvalds 1452542c1020SShinya Kuribayashiconfig CPU_R5500 1453542c1020SShinya Kuribayashi bool "R5500" 1454542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1455542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1456542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 14579cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1458542c1020SShinya Kuribayashi help 1459542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1460542c1020SShinya Kuribayashi instruction set. 1461542c1020SShinya Kuribayashi 14621da177e4SLinus Torvaldsconfig CPU_R6000 14631da177e4SLinus Torvalds bool "R6000" 14647cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1465ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 14661da177e4SLinus Torvalds help 14671da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1468c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 14691da177e4SLinus Torvalds 14701da177e4SLinus Torvaldsconfig CPU_NEVADA 14711da177e4SLinus Torvalds bool "RM52xx" 14727cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1473ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1474ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1475970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14761da177e4SLinus Torvalds help 14771da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 14781da177e4SLinus Torvalds 14791da177e4SLinus Torvaldsconfig CPU_R8000 14801da177e4SLinus Torvalds bool "R8000" 14817cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 14825e83d430SRalf Baechle select CPU_HAS_PREFETCH 1483ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14841da177e4SLinus Torvalds help 14851da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 14861da177e4SLinus Torvalds uncommon and the support for them is incomplete. 14871da177e4SLinus Torvalds 14881da177e4SLinus Torvaldsconfig CPU_R10000 14891da177e4SLinus Torvalds bool "R10000" 14907cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 14915e83d430SRalf Baechle select CPU_HAS_PREFETCH 1492ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1493ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1494797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1495970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14961da177e4SLinus Torvalds help 14971da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 14981da177e4SLinus Torvalds 14991da177e4SLinus Torvaldsconfig CPU_RM7000 15001da177e4SLinus Torvalds bool "RM7000" 15017cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 15025e83d430SRalf Baechle select CPU_HAS_PREFETCH 1503ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1504ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1505797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1506970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15071da177e4SLinus Torvalds 15081da177e4SLinus Torvaldsconfig CPU_SB1 15091da177e4SLinus Torvalds bool "SB1" 15107cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1511ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1512ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1513797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1514970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15150004a9dfSRalf Baechle select WEAK_ORDERING 15161da177e4SLinus Torvalds 1517a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1518a86c7f72SDavid Daney bool "Cavium Octeon processor" 15195e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1520a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1521a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1522a86c7f72SDavid Daney select WEAK_ORDERING 1523a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 15249cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15259296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 1526930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1527a86c7f72SDavid Daney help 1528a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1529a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1530a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1531a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1532a86c7f72SDavid Daney 1533cd746249SJonas Gorskiconfig CPU_BMIPS 1534cd746249SJonas Gorski bool "Broadcom BMIPS" 1535cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1536cd746249SJonas Gorski select CPU_MIPS32 1537fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1538cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1539cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1540cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1541cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1542cd746249SJonas Gorski select DMA_NONCOHERENT 1543cd746249SJonas Gorski select IRQ_CPU 1544cd746249SJonas Gorski select SWAP_IO_SPACE 1545cd746249SJonas Gorski select WEAK_ORDERING 1546c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 154769aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1548c1c0c461SKevin Cernekee help 1549fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1550c1c0c461SKevin Cernekee 15517f058e85SJayachandran Cconfig CPU_XLR 15527f058e85SJayachandran C bool "Netlogic XLR SoC" 15537f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 15547f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 15557f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 15567f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1557970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15587f058e85SJayachandran C select WEAK_ORDERING 15597f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 15607f058e85SJayachandran C help 15617f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 15621c773ea4SJayachandran C 15631c773ea4SJayachandran Cconfig CPU_XLP 15641c773ea4SJayachandran C bool "Netlogic XLP SoC" 15651c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 15661c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 15671c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 15681c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 15691c773ea4SJayachandran C select WEAK_ORDERING 15701c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 15711c773ea4SJayachandran C select CPU_HAS_PREFETCH 1572d6504846SJayachandran C select CPU_MIPSR2 15731c773ea4SJayachandran C help 15741c773ea4SJayachandran C Netlogic Microsystems XLP processors. 15751da177e4SLinus Torvaldsendchoice 15761da177e4SLinus Torvalds 1577a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1578a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1579a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 15807fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1581a6e18781SLeonid Yegoshin help 1582a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1583a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1584a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1585a6e18781SLeonid Yegoshin 1586a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1587a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1588a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1589a6e18781SLeonid Yegoshin select EVA 1590a6e18781SLeonid Yegoshin default y 1591a6e18781SLeonid Yegoshin help 1592a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1593a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1594a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1595a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1596a6e18781SLeonid Yegoshin 1597622844bfSWu Zhangjinif CPU_LOONGSON2F 1598622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1599622844bfSWu Zhangjin bool 1600622844bfSWu Zhangjin 1601622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1602622844bfSWu Zhangjin bool 1603622844bfSWu Zhangjin 1604622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1605622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1606622844bfSWu Zhangjin default y 1607622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1608622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1609622844bfSWu Zhangjin help 1610622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1611622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1612622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1613622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1614622844bfSWu Zhangjin 1615622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1616622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1617622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1618622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1619622844bfSWu Zhangjin systems. 1620622844bfSWu Zhangjin 1621622844bfSWu Zhangjin If unsure, please say Y. 1622622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1623622844bfSWu Zhangjin 16241b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 16251b93b3c3SWu Zhangjin bool 16261b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 16271b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 162831c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 16291b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1630fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 16314e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 16321b93b3c3SWu Zhangjin 16331b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 16341b93b3c3SWu Zhangjin bool 16351b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 16361b93b3c3SWu Zhangjin 16373702bba5SWu Zhangjinconfig CPU_LOONGSON2 16383702bba5SWu Zhangjin bool 16393702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 16403702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 16413702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1642970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16433702bba5SWu Zhangjin 1644ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1645ca585cf9SKelvin Cheung bool 1646ca585cf9SKelvin Cheung select CPU_MIPS32 1647ca585cf9SKelvin Cheung select CPU_MIPSR2 1648ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1649ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1650ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1651f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1652ca585cf9SKelvin Cheung 1653fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 165404fa8bf7SJonas Gorski select SMP_UP if SMP 16551bbb6c1bSKevin Cernekee bool 1656cd746249SJonas Gorski 1657cd746249SJonas Gorskiconfig CPU_BMIPS4350 1658cd746249SJonas Gorski bool 1659cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1660cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1661cd746249SJonas Gorski 1662cd746249SJonas Gorskiconfig CPU_BMIPS4380 1663cd746249SJonas Gorski bool 1664bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1665cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1666cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1667cd746249SJonas Gorski 1668cd746249SJonas Gorskiconfig CPU_BMIPS5000 1669cd746249SJonas Gorski bool 1670cd746249SJonas Gorski select MIPS_CPU_SCACHE 1671bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1672cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1673cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 16741bbb6c1bSKevin Cernekee 16750e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 16760e476d91SHuacai Chen bool 16770e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 16780e476d91SHuacai Chen 16793702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 16802a21c730SFuxin Zhang bool 16812a21c730SFuxin Zhang 16826f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 16836f7a251aSWu Zhangjin bool 168455045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 168555045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 168622f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 16876f7a251aSWu Zhangjin 1688ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1689ca585cf9SKelvin Cheung bool 1690ca585cf9SKelvin Cheung 16917cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 16927cf8053bSRalf Baechle bool 16937cf8053bSRalf Baechle 16947cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 16957cf8053bSRalf Baechle bool 16967cf8053bSRalf Baechle 1697a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1698a6e18781SLeonid Yegoshin bool 1699a6e18781SLeonid Yegoshin 17007fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 17017fd08ca5SLeonid Yegoshin bool 17027fd08ca5SLeonid Yegoshin 17037cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 17047cf8053bSRalf Baechle bool 17057cf8053bSRalf Baechle 17067cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 17077cf8053bSRalf Baechle bool 17087cf8053bSRalf Baechle 17097fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 17107fd08ca5SLeonid Yegoshin bool 17117fd08ca5SLeonid Yegoshin 17127cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 17137cf8053bSRalf Baechle bool 17147cf8053bSRalf Baechle 17157cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 17167cf8053bSRalf Baechle bool 17177cf8053bSRalf Baechle 17187cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 17197cf8053bSRalf Baechle bool 17207cf8053bSRalf Baechle 17217cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 17227cf8053bSRalf Baechle bool 17237cf8053bSRalf Baechle 17247cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 17257cf8053bSRalf Baechle bool 17267cf8053bSRalf Baechle 17277cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 17287cf8053bSRalf Baechle bool 17297cf8053bSRalf Baechle 17307cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 17317cf8053bSRalf Baechle bool 17327cf8053bSRalf Baechle 17337cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 17347cf8053bSRalf Baechle bool 17357cf8053bSRalf Baechle 1736542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1737542c1020SShinya Kuribayashi bool 1738542c1020SShinya Kuribayashi 17397cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 17407cf8053bSRalf Baechle bool 17417cf8053bSRalf Baechle 17427cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 17437cf8053bSRalf Baechle bool 17447cf8053bSRalf Baechle 17457cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 17467cf8053bSRalf Baechle bool 17477cf8053bSRalf Baechle 17487cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 17497cf8053bSRalf Baechle bool 17507cf8053bSRalf Baechle 17517cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 17527cf8053bSRalf Baechle bool 17537cf8053bSRalf Baechle 17547cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 17557cf8053bSRalf Baechle bool 17567cf8053bSRalf Baechle 17575e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 17585e683389SDavid Daney bool 17595e683389SDavid Daney 1760cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1761c1c0c461SKevin Cernekee bool 1762c1c0c461SKevin Cernekee 1763fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1764c1c0c461SKevin Cernekee bool 1765cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1766c1c0c461SKevin Cernekee 1767c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1768c1c0c461SKevin Cernekee bool 1769cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1770c1c0c461SKevin Cernekee 1771c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1772c1c0c461SKevin Cernekee bool 1773cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1774c1c0c461SKevin Cernekee 1775c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1776c1c0c461SKevin Cernekee bool 1777cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1778c1c0c461SKevin Cernekee 17797f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 17807f058e85SJayachandran C bool 17817f058e85SJayachandran C 17821c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 17831c773ea4SJayachandran C bool 17841c773ea4SJayachandran C 1785b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1786b6911bbaSPaul Burton depends on MIPS_MALTA 1787b6911bbaSPaul Burton depends on PCI 1788b6911bbaSPaul Burton bool 1789b6911bbaSPaul Burton default y 1790b6911bbaSPaul Burton 179117099b11SRalf Baechle# 179217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 179317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 179417099b11SRalf Baechle# 17950004a9dfSRalf Baechleconfig WEAK_ORDERING 17960004a9dfSRalf Baechle bool 179717099b11SRalf Baechle 179817099b11SRalf Baechle# 179917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 180017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 180117099b11SRalf Baechle# 180217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 180317099b11SRalf Baechle bool 18045e83d430SRalf Baechleendmenu 18055e83d430SRalf Baechle 18065e83d430SRalf Baechle# 18075e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 18085e83d430SRalf Baechle# 18095e83d430SRalf Baechleconfig CPU_MIPS32 18105e83d430SRalf Baechle bool 18117fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 18125e83d430SRalf Baechle 18135e83d430SRalf Baechleconfig CPU_MIPS64 18145e83d430SRalf Baechle bool 18157fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 18165e83d430SRalf Baechle 18175e83d430SRalf Baechle# 1818c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 18195e83d430SRalf Baechle# 18205e83d430SRalf Baechleconfig CPU_MIPSR1 18215e83d430SRalf Baechle bool 18225e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 18235e83d430SRalf Baechle 18245e83d430SRalf Baechleconfig CPU_MIPSR2 18255e83d430SRalf Baechle bool 1826a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1827*a7e07b1aSMarkos Chandras select MIPS_SPRAM 18285e83d430SRalf Baechle 18297fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 18307fd08ca5SLeonid Yegoshin bool 18317fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 1832*a7e07b1aSMarkos Chandras select MIPS_SPRAM 18337fd08ca5SLeonid Yegoshin 1834a6e18781SLeonid Yegoshinconfig EVA 1835a6e18781SLeonid Yegoshin bool 1836a6e18781SLeonid Yegoshin 18375e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 18385e83d430SRalf Baechle bool 18395e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 18405e83d430SRalf Baechle bool 18415e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 18425e83d430SRalf Baechle bool 18435e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 18445e83d430SRalf Baechle bool 184555045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 184655045ff5SWu Zhangjin bool 184755045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 184855045ff5SWu Zhangjin bool 18499cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 18509cffd154SDavid Daney bool 185122f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 185222f1fdfdSWu Zhangjin bool 185382622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 185482622284SDavid Daney bool 1855d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 18565e83d430SRalf Baechle 18578192c9eaSDavid Daney# 18588192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 18598192c9eaSDavid Daney# 18608192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 18618192c9eaSDavid Daney bool 1862f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 18638192c9eaSDavid Daney 18645e83d430SRalf Baechlemenu "Kernel type" 18655e83d430SRalf Baechle 18665e83d430SRalf Baechlechoice 18675e83d430SRalf Baechle prompt "Kernel code model" 18685e83d430SRalf Baechle help 18695e83d430SRalf Baechle You should only select this option if you have a workload that 18705e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 18715e83d430SRalf Baechle large memory. You will only be presented a single option in this 18725e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 18735e83d430SRalf Baechle 18745e83d430SRalf Baechleconfig 32BIT 18755e83d430SRalf Baechle bool "32-bit kernel" 18765e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 18775e83d430SRalf Baechle select TRAD_SIGNALS 18785e83d430SRalf Baechle help 18795e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 18805e83d430SRalf Baechleconfig 64BIT 18815e83d430SRalf Baechle bool "64-bit kernel" 18825e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 18835e83d430SRalf Baechle help 18845e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 18855e83d430SRalf Baechle 18865e83d430SRalf Baechleendchoice 18875e83d430SRalf Baechle 18882235a54dSSanjay Lalconfig KVM_GUEST 18892235a54dSSanjay Lal bool "KVM Guest Kernel" 1890f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 18912235a54dSSanjay Lal help 18922235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 18932235a54dSSanjay Lal 1894eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1895eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 18962235a54dSSanjay Lal depends on KVM_GUEST 1897eda3d33cSJames Hogan default 100 18982235a54dSSanjay Lal help 1899eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 1900eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 1901eda3d33cSJames Hogan timer frequency is specified directly. 19022235a54dSSanjay Lal 19031da177e4SLinus Torvaldschoice 19041da177e4SLinus Torvalds prompt "Kernel page size" 19051da177e4SLinus Torvalds default PAGE_SIZE_4KB 19061da177e4SLinus Torvalds 19071da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 19081da177e4SLinus Torvalds bool "4kB" 19090e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 19101da177e4SLinus Torvalds help 19111da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 19121da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 19131da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 19141da177e4SLinus Torvalds recommended for low memory systems. 19151da177e4SLinus Torvalds 19161da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 19171da177e4SLinus Torvalds bool "8kB" 19187d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 19191da177e4SLinus Torvalds help 19201da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 19211da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1922c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1923c52399beSRalf Baechle suitable Linux distribution to support this. 19241da177e4SLinus Torvalds 19251da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 19261da177e4SLinus Torvalds bool "16kB" 1927714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 19281da177e4SLinus Torvalds help 19291da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 19301da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1931714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1932714bfad6SRalf Baechle Linux distribution to support this. 19331da177e4SLinus Torvalds 1934c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1935c52399beSRalf Baechle bool "32kB" 1936c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1937c52399beSRalf Baechle help 1938c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1939c52399beSRalf Baechle the price of higher memory consumption. This option is available 1940c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1941c52399beSRalf Baechle distribution to support this. 1942c52399beSRalf Baechle 19431da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 19441da177e4SLinus Torvalds bool "64kB" 19457d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 19461da177e4SLinus Torvalds help 19471da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 19481da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 19491da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1950714bfad6SRalf Baechle writing this option is still high experimental. 19511da177e4SLinus Torvalds 19521da177e4SLinus Torvaldsendchoice 19531da177e4SLinus Torvalds 1954c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 1955c9bace7cSDavid Daney int "Maximum zone order" 1956e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1957e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1958e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1959e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1960e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1961e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1962c9bace7cSDavid Daney range 11 64 1963c9bace7cSDavid Daney default "11" 1964c9bace7cSDavid Daney help 1965c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 1966c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 1967c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 1968c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 1969c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 1970c9bace7cSDavid Daney increase this value. 1971c9bace7cSDavid Daney 1972c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 1973c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 1974c9bace7cSDavid Daney 1975c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 1976c9bace7cSDavid Daney when choosing a value for this option. 1977c9bace7cSDavid Daney 19781da177e4SLinus Torvaldsconfig BOARD_SCACHE 19791da177e4SLinus Torvalds bool 19801da177e4SLinus Torvalds 19811da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 19821da177e4SLinus Torvalds bool 19831da177e4SLinus Torvalds select BOARD_SCACHE 19841da177e4SLinus Torvalds 19859318c51aSChris Dearman# 19869318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 19879318c51aSChris Dearman# 19889318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 19899318c51aSChris Dearman bool 19909318c51aSChris Dearman select BOARD_SCACHE 19919318c51aSChris Dearman 19921da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 19931da177e4SLinus Torvalds bool 19941da177e4SLinus Torvalds select BOARD_SCACHE 19951da177e4SLinus Torvalds 19961da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 19971da177e4SLinus Torvalds bool 19981da177e4SLinus Torvalds select BOARD_SCACHE 19991da177e4SLinus Torvalds 20001da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 20011da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 20021da177e4SLinus Torvalds depends on CPU_SB1 20031da177e4SLinus Torvalds help 20041da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 20051da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 20061da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 20071da177e4SLinus Torvalds 20081da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2009c8094b53SRalf Baechle bool 20101da177e4SLinus Torvalds 20113165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 20123165c846SFlorian Fainelli bool 20133165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 20143165c846SFlorian Fainelli 201591405eb6SFlorian Fainelliconfig CPU_R4K_FPU 201691405eb6SFlorian Fainelli bool 201791405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 201891405eb6SFlorian Fainelli 201962cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 202062cedc4fSFlorian Fainelli bool 202162cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 202262cedc4fSFlorian Fainelli 202359d6ab86SRalf Baechleconfig MIPS_MT_SMP 2024a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 202559d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 202659d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2027d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2028c080faa5SSteven J. Hill select SYNC_R4K 20290c2cb004SPaul Burton select MIPS_GIC_IPI 203059d6ab86SRalf Baechle select MIPS_MT 203159d6ab86SRalf Baechle select SMP 203287353d8aSRalf Baechle select SMP_UP 2033c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2034c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2035399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 203659d6ab86SRalf Baechle help 2037c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2038c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2039c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2040c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2041c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 204259d6ab86SRalf Baechle 2043f41ae0b2SRalf Baechleconfig MIPS_MT 2044f41ae0b2SRalf Baechle bool 2045f41ae0b2SRalf Baechle 20460ab7aefcSRalf Baechleconfig SCHED_SMT 20470ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 20480ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 20490ab7aefcSRalf Baechle default n 20500ab7aefcSRalf Baechle help 20510ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 20520ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 20530ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 20540ab7aefcSRalf Baechle 20550ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 20560ab7aefcSRalf Baechle bool 20570ab7aefcSRalf Baechle 2058f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2059f41ae0b2SRalf Baechle bool 2060f41ae0b2SRalf Baechle 2061f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2062f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2063f088fc84SRalf Baechle default y 2064b633648cSRalf Baechle depends on MIPS_MT_SMP 206507cc0c9eSRalf Baechle 206607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 206707cc0c9eSRalf Baechle bool "VPE loader support." 2068704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 206907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 207007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 207107cc0c9eSRalf Baechle select MIPS_MT 207207cc0c9eSRalf Baechle help 207307cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 207407cc0c9eSRalf Baechle onto another VPE and running it. 2075f088fc84SRalf Baechle 207617a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 207717a1d523SDeng-Cheng Zhu bool 207817a1d523SDeng-Cheng Zhu default "y" 207917a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 208017a1d523SDeng-Cheng Zhu 20811a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 20821a2a6d7eSDeng-Cheng Zhu bool 20831a2a6d7eSDeng-Cheng Zhu default "y" 20841a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 20851a2a6d7eSDeng-Cheng Zhu 2086e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2087e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2088e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2089e01402b1SRalf Baechle default y 2090e01402b1SRalf Baechle help 2091e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2092e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2093e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2094e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2095e01402b1SRalf Baechle 2096e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2097e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2098e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 20995e83d430SRalf Baechle help 2100e01402b1SRalf Baechle 2101da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2102da615cf6SDeng-Cheng Zhu bool 2103da615cf6SDeng-Cheng Zhu default "y" 2104da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2105da615cf6SDeng-Cheng Zhu 21062c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 21072c973ef0SDeng-Cheng Zhu bool 21082c973ef0SDeng-Cheng Zhu default "y" 21092c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 21102c973ef0SDeng-Cheng Zhu 21114a16ff4cSRalf Baechleconfig MIPS_CMP 21125cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 2113b633648cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 211472e20142SPaul Burton select MIPS_GIC_IPI 2115b10b43baSMarkos Chandras select SMP 2116eb9b5141STim Anderson select SYNC_R4K 2117b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 21184a16ff4cSRalf Baechle select WEAK_ORDERING 21194a16ff4cSRalf Baechle default n 21204a16ff4cSRalf Baechle help 2121044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2122044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2123044505c7SPaul Burton its ability to start secondary CPUs. 21244a16ff4cSRalf Baechle 21255cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 21265cac93b3SPaul Burton instead of this. 21275cac93b3SPaul Burton 21280ee958e1SPaul Burtonconfig MIPS_CPS 21290ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 21300ee958e1SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 21310ee958e1SPaul Burton select MIPS_CM 21320ee958e1SPaul Burton select MIPS_CPC 21331d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 21340ee958e1SPaul Burton select MIPS_GIC_IPI 21350ee958e1SPaul Burton select SMP 21360ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 21371d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 21380ee958e1SPaul Burton select SYS_SUPPORTS_SMP 21390ee958e1SPaul Burton select WEAK_ORDERING 21400ee958e1SPaul Burton help 21410ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 21420ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 21430ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 21440ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 21450ee958e1SPaul Burton support is unavailable. 21460ee958e1SPaul Burton 21473179d37eSPaul Burtonconfig MIPS_CPS_PM 214839a59593SMarkos Chandras depends on MIPS_CPS 2149a8b84677SPaul Burton select MIPS_CPC 21503179d37eSPaul Burton bool 21513179d37eSPaul Burton 215272e20142SPaul Burtonconfig MIPS_GIC_IPI 215372e20142SPaul Burton bool 215472e20142SPaul Burton 21559f98f3ddSPaul Burtonconfig MIPS_CM 21569f98f3ddSPaul Burton bool 21579f98f3ddSPaul Burton 21589c38cf44SPaul Burtonconfig MIPS_CPC 21599c38cf44SPaul Burton bool 21602600990eSRalf Baechle 21611da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 21621da177e4SLinus Torvalds bool 21631da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 21641da177e4SLinus Torvalds default y 21651da177e4SLinus Torvalds 21661da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 21671da177e4SLinus Torvalds bool 21681da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 21691da177e4SLinus Torvalds default y 21701da177e4SLinus Torvalds 21711da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 21721da177e4SLinus Torvalds bool 21731da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 21741da177e4SLinus Torvalds default y 21751da177e4SLinus Torvalds 21762235a54dSSanjay Lal 217760ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 217834adb28dSRalf Baechle bool 217960ec6571Spascal@pabr.org 21809e2b5372SMarkos Chandraschoice 21819e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 21829e2b5372SMarkos Chandras 21839e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 21849e2b5372SMarkos Chandras bool "None" 21859e2b5372SMarkos Chandras help 21869e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 21879e2b5372SMarkos Chandras 21889693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 21899693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 21909e2b5372SMarkos Chandras bool "SmartMIPS" 21919693a853SFranck Bui-Huu help 21929693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 21939693a853SFranck Bui-Huu increased security at both hardware and software level for 21949693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 21959693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 21969693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 21979693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 21989693a853SFranck Bui-Huu here. 21999693a853SFranck Bui-Huu 2200bce86083SSteven J. Hillconfig CPU_MICROMIPS 22017fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 22029e2b5372SMarkos Chandras bool "microMIPS" 2203bce86083SSteven J. Hill help 2204bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2205bce86083SSteven J. Hill microMIPS ISA 2206bce86083SSteven J. Hill 22079e2b5372SMarkos Chandrasendchoice 22089e2b5372SMarkos Chandras 2209a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 22104af94d5dSPaul Burton bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" 2211a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 22122a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2213a5e9a69eSPaul Burton help 2214a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2215a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 22161db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 22171db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 22181db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 22191db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 22201db1af84SPaul Burton the size & complexity of your kernel. 2221a5e9a69eSPaul Burton 2222a5e9a69eSPaul Burton If unsure, say Y. 2223a5e9a69eSPaul Burton 22241da177e4SLinus Torvaldsconfig CPU_HAS_WB 2225f7062ddbSRalf Baechle bool 2226e01402b1SRalf Baechle 2227df0ac8a4SKevin Cernekeeconfig XKS01 2228df0ac8a4SKevin Cernekee bool 2229df0ac8a4SKevin Cernekee 2230f41ae0b2SRalf Baechle# 2231f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2232f41ae0b2SRalf Baechle# 2233e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2234f41ae0b2SRalf Baechle bool 2235e01402b1SRalf Baechle 2236f41ae0b2SRalf Baechle# 2237f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2238f41ae0b2SRalf Baechle# 2239e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2240f41ae0b2SRalf Baechle bool 2241e01402b1SRalf Baechle 22421da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 22431da177e4SLinus Torvalds bool 22441da177e4SLinus Torvalds depends on !CPU_R3000 22451da177e4SLinus Torvalds default y 22461da177e4SLinus Torvalds 22471da177e4SLinus Torvalds# 224820d60d99SMaciej W. Rozycki# CPU non-features 224920d60d99SMaciej W. Rozycki# 225020d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 225120d60d99SMaciej W. Rozycki bool 225220d60d99SMaciej W. Rozycki 225320d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 225420d60d99SMaciej W. Rozycki bool 225520d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 225620d60d99SMaciej W. Rozycki 225720d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 225820d60d99SMaciej W. Rozycki bool 225920d60d99SMaciej W. Rozycki 226020d60d99SMaciej W. Rozycki# 22611da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 22621da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 22631da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 22641da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 22651da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 22661da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 22671da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 22681da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2269797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2270797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2271797798c1SRalf Baechle# support. 22721da177e4SLinus Torvalds# 22731da177e4SLinus Torvaldsconfig HIGHMEM 22741da177e4SLinus Torvalds bool "High Memory Support" 2275a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2276797798c1SRalf Baechle 2277797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2278797798c1SRalf Baechle bool 2279797798c1SRalf Baechle 2280797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2281797798c1SRalf Baechle bool 22821da177e4SLinus Torvalds 22839693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 22849693a853SFranck Bui-Huu bool 22859693a853SFranck Bui-Huu 2286a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2287a6a4834cSSteven J. Hill bool 2288a6a4834cSSteven J. Hill 2289377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2290377cb1b6SRalf Baechle bool 2291377cb1b6SRalf Baechle help 2292377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2293377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2294377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2295377cb1b6SRalf Baechle 2296a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2297a5e9a69eSPaul Burton bool 2298a5e9a69eSPaul Burton 2299b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2300b4819b59SYoichi Yuasa def_bool y 2301f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2302b4819b59SYoichi Yuasa 2303d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2304d8cb4e11SRalf Baechle bool 2305d8cb4e11SRalf Baechle default y if SGI_IP27 2306d8cb4e11SRalf Baechle help 23073dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2308d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2309d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2310d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2311d8cb4e11SRalf Baechle 2312b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2313b1c6cd42SAtsushi Nemoto bool 23147de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 231531473747SAtsushi Nemoto 2316d8cb4e11SRalf Baechleconfig NUMA 2317d8cb4e11SRalf Baechle bool "NUMA Support" 2318d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2319d8cb4e11SRalf Baechle help 2320d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2321d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2322d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2323d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2324d8cb4e11SRalf Baechle disabled. 2325d8cb4e11SRalf Baechle 2326d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2327d8cb4e11SRalf Baechle bool 2328d8cb4e11SRalf Baechle 2329c80d79d7SYasunori Gotoconfig NODES_SHIFT 2330c80d79d7SYasunori Goto int 2331c80d79d7SYasunori Goto default "6" 2332c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2333c80d79d7SYasunori Goto 233414f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 233514f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2336b633648cSRalf Baechle depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) 233714f70012SDeng-Cheng Zhu default y 233814f70012SDeng-Cheng Zhu help 233914f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 234014f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 234114f70012SDeng-Cheng Zhu 2342b4819b59SYoichi Yuasasource "mm/Kconfig" 2343b4819b59SYoichi Yuasa 23441da177e4SLinus Torvaldsconfig SMP 23451da177e4SLinus Torvalds bool "Multi-Processing support" 2346e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2347e73ea273SRalf Baechle help 23481da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 23494a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 23504a474157SRobert Graffham than one CPU, say Y. 23511da177e4SLinus Torvalds 23524a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 23531da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 23541da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 23554a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 23561da177e4SLinus Torvalds will run faster if you say N here. 23571da177e4SLinus Torvalds 23581da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 23591da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 23601da177e4SLinus Torvalds 236103502faaSAdrian Bunk See also the SMP-HOWTO available at 236203502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 23631da177e4SLinus Torvalds 23641da177e4SLinus Torvalds If you don't know what to do here, say N. 23651da177e4SLinus Torvalds 236687353d8aSRalf Baechleconfig SMP_UP 236787353d8aSRalf Baechle bool 236887353d8aSRalf Baechle 23694a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 23704a16ff4cSRalf Baechle bool 23714a16ff4cSRalf Baechle 23720ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 23730ee958e1SPaul Burton bool 23740ee958e1SPaul Burton 2375e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2376e73ea273SRalf Baechle bool 2377e73ea273SRalf Baechle 2378130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2379130e2fb7SRalf Baechle bool 2380130e2fb7SRalf Baechle 2381130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2382130e2fb7SRalf Baechle bool 2383130e2fb7SRalf Baechle 2384130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2385130e2fb7SRalf Baechle bool 2386130e2fb7SRalf Baechle 2387130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2388130e2fb7SRalf Baechle bool 2389130e2fb7SRalf Baechle 2390130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2391130e2fb7SRalf Baechle bool 2392130e2fb7SRalf Baechle 23931da177e4SLinus Torvaldsconfig NR_CPUS 2394a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2395a91796a9SJayachandran C range 2 256 23961da177e4SLinus Torvalds depends on SMP 2397130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2398130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2399130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2400130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2401130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 24021da177e4SLinus Torvalds help 24031da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 24041da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 24051da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 240672ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 240772ede9b1SAtsushi Nemoto and 2 for all others. 24081da177e4SLinus Torvalds 24091da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 241072ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 241172ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 241272ede9b1SAtsushi Nemoto power of two. 24131da177e4SLinus Torvalds 2414399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2415399aaa25SAl Cooper bool 2416399aaa25SAl Cooper 24171723b4a3SAtsushi Nemoto# 24181723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 24191723b4a3SAtsushi Nemoto# 24201723b4a3SAtsushi Nemoto 24211723b4a3SAtsushi Nemotochoice 24221723b4a3SAtsushi Nemoto prompt "Timer frequency" 24231723b4a3SAtsushi Nemoto default HZ_250 24241723b4a3SAtsushi Nemoto help 24251723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 24261723b4a3SAtsushi Nemoto 24271723b4a3SAtsushi Nemoto config HZ_48 24280f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 24291723b4a3SAtsushi Nemoto 24301723b4a3SAtsushi Nemoto config HZ_100 24311723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 24321723b4a3SAtsushi Nemoto 24331723b4a3SAtsushi Nemoto config HZ_128 24341723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 24351723b4a3SAtsushi Nemoto 24361723b4a3SAtsushi Nemoto config HZ_250 24371723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 24381723b4a3SAtsushi Nemoto 24391723b4a3SAtsushi Nemoto config HZ_256 24401723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 24411723b4a3SAtsushi Nemoto 24421723b4a3SAtsushi Nemoto config HZ_1000 24431723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 24441723b4a3SAtsushi Nemoto 24451723b4a3SAtsushi Nemoto config HZ_1024 24461723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 24471723b4a3SAtsushi Nemoto 24481723b4a3SAtsushi Nemotoendchoice 24491723b4a3SAtsushi Nemoto 24501723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 24511723b4a3SAtsushi Nemoto bool 24521723b4a3SAtsushi Nemoto 24531723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 24541723b4a3SAtsushi Nemoto bool 24551723b4a3SAtsushi Nemoto 24561723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 24571723b4a3SAtsushi Nemoto bool 24581723b4a3SAtsushi Nemoto 24591723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 24601723b4a3SAtsushi Nemoto bool 24611723b4a3SAtsushi Nemoto 24621723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 24631723b4a3SAtsushi Nemoto bool 24641723b4a3SAtsushi Nemoto 24651723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 24661723b4a3SAtsushi Nemoto bool 24671723b4a3SAtsushi Nemoto 24681723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 24691723b4a3SAtsushi Nemoto bool 24701723b4a3SAtsushi Nemoto 24711723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 24721723b4a3SAtsushi Nemoto bool 24731723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 24741723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 24751723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 24761723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 24771723b4a3SAtsushi Nemoto 24781723b4a3SAtsushi Nemotoconfig HZ 24791723b4a3SAtsushi Nemoto int 24801723b4a3SAtsushi Nemoto default 48 if HZ_48 24811723b4a3SAtsushi Nemoto default 100 if HZ_100 24821723b4a3SAtsushi Nemoto default 128 if HZ_128 24831723b4a3SAtsushi Nemoto default 250 if HZ_250 24841723b4a3SAtsushi Nemoto default 256 if HZ_256 24851723b4a3SAtsushi Nemoto default 1000 if HZ_1000 24861723b4a3SAtsushi Nemoto default 1024 if HZ_1024 24871723b4a3SAtsushi Nemoto 2488e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 24891da177e4SLinus Torvalds 2490ea6e942bSAtsushi Nemotoconfig KEXEC 24917d60717eSKees Cook bool "Kexec system call" 2492ea6e942bSAtsushi Nemoto help 2493ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2494ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 24953dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2496ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2497ea6e942bSAtsushi Nemoto 249801dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2499ea6e942bSAtsushi Nemoto 2500ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2501ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2502bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2503bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2504bf220695SGeert Uytterhoeven made. 2505ea6e942bSAtsushi Nemoto 25067aa1c8f4SRalf Baechleconfig CRASH_DUMP 25077aa1c8f4SRalf Baechle bool "Kernel crash dumps" 25087aa1c8f4SRalf Baechle help 25097aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 25107aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 25117aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 25127aa1c8f4SRalf Baechle a specially reserved region and then later executed after 25137aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 25147aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 25157aa1c8f4SRalf Baechle PHYSICAL_START. 25167aa1c8f4SRalf Baechle 25177aa1c8f4SRalf Baechleconfig PHYSICAL_START 25187aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 25197aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 25207aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 25217aa1c8f4SRalf Baechle depends on CRASH_DUMP 25227aa1c8f4SRalf Baechle help 25237aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 25247aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 25257aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 25267aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 25277aa1c8f4SRalf Baechle passed to the panic-ed kernel). 25287aa1c8f4SRalf Baechle 2529ea6e942bSAtsushi Nemotoconfig SECCOMP 2530ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2531293c5bd1SRalf Baechle depends on PROC_FS 2532ea6e942bSAtsushi Nemoto default y 2533ea6e942bSAtsushi Nemoto help 2534ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2535ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2536ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2537ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2538ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2539ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2540ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2541ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2542ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2543ea6e942bSAtsushi Nemoto 2544ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2545ea6e942bSAtsushi Nemoto 2546597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 254706e2e882SPaul Burton bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" 2548597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2549597ce172SPaul Burton help 2550597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2551597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2552597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2553597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2554597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2555597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2556597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2557597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2558597ce172SPaul Burton saying N here. 2559597ce172SPaul Burton 256006e2e882SPaul Burton Although binutils currently supports use of this flag the details 256106e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 256206e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 256306e2e882SPaul Burton behaviour before the details have been finalised, this option should 256406e2e882SPaul Burton be considered experimental and only enabled by those working upon 256506e2e882SPaul Burton said details. 256606e2e882SPaul Burton 256706e2e882SPaul Burton If unsure, say N. 2568597ce172SPaul Burton 2569f2ffa5abSDezhong Diaoconfig USE_OF 25700b3e06fdSJonas Gorski bool 2571f2ffa5abSDezhong Diao select OF 2572e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2573abd2363fSGrant Likely select IRQ_DOMAIN 2574f2ffa5abSDezhong Diao 25757fafb068SAndrew Brestickerconfig BUILTIN_DTB 25767fafb068SAndrew Bresticker bool 25777fafb068SAndrew Bresticker 25785e83d430SRalf Baechleendmenu 25795e83d430SRalf Baechle 25801df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 25811df0f0ffSAtsushi Nemoto bool 25821df0f0ffSAtsushi Nemoto default y 25831df0f0ffSAtsushi Nemoto 25841df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 25851df0f0ffSAtsushi Nemoto bool 25861df0f0ffSAtsushi Nemoto default y 25871df0f0ffSAtsushi Nemoto 2588b6c3539bSRalf Baechlesource "init/Kconfig" 2589b6c3539bSRalf Baechle 2590dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2591dc52ddc0SMatt Helsley 25921da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 25931da177e4SLinus Torvalds 25945e83d430SRalf Baechleconfig HW_HAS_EISA 25955e83d430SRalf Baechle bool 25961da177e4SLinus Torvaldsconfig HW_HAS_PCI 25971da177e4SLinus Torvalds bool 25981da177e4SLinus Torvalds 25991da177e4SLinus Torvaldsconfig PCI 26001da177e4SLinus Torvalds bool "Support for PCI controller" 26011da177e4SLinus Torvalds depends on HW_HAS_PCI 2602abb4ae46SRalf Baechle select PCI_DOMAINS 26030f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 26041da177e4SLinus Torvalds help 26051da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 26061da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 26071da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 26081da177e4SLinus Torvalds say Y, otherwise N. 26091da177e4SLinus Torvalds 26100e476d91SHuacai Chenconfig HT_PCI 26110e476d91SHuacai Chen bool "Support for HT-linked PCI" 26120e476d91SHuacai Chen default y 26130e476d91SHuacai Chen depends on CPU_LOONGSON3 26140e476d91SHuacai Chen select PCI 26150e476d91SHuacai Chen select PCI_DOMAINS 26160e476d91SHuacai Chen help 26170e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 26180e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 26190e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 26200e476d91SHuacai Chen 26211da177e4SLinus Torvaldsconfig PCI_DOMAINS 26221da177e4SLinus Torvalds bool 26231da177e4SLinus Torvalds 26241da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 26251da177e4SLinus Torvalds 26263f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 26273f787ca4SJonas Gorski 26281da177e4SLinus Torvalds# 26291da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 26301da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 26311da177e4SLinus Torvalds# users to choose the right thing ... 26321da177e4SLinus Torvalds# 26331da177e4SLinus Torvaldsconfig ISA 26341da177e4SLinus Torvalds bool 26351da177e4SLinus Torvalds 26361da177e4SLinus Torvaldsconfig EISA 26371da177e4SLinus Torvalds bool "EISA support" 26385e83d430SRalf Baechle depends on HW_HAS_EISA 26391da177e4SLinus Torvalds select ISA 2640aa414dffSRalf Baechle select GENERIC_ISA_DMA 26411da177e4SLinus Torvalds ---help--- 26421da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 26431da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 26441da177e4SLinus Torvalds 26451da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 26461da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 26471da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 26481da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 26491da177e4SLinus Torvalds 26501da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 26511da177e4SLinus Torvalds 26521da177e4SLinus Torvalds Otherwise, say N. 26531da177e4SLinus Torvalds 26541da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 26551da177e4SLinus Torvalds 26561da177e4SLinus Torvaldsconfig TC 26571da177e4SLinus Torvalds bool "TURBOchannel support" 26581da177e4SLinus Torvalds depends on MACH_DECSTATION 26591da177e4SLinus Torvalds help 266050a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 266150a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 266250a23e6eSJustin P. Mattock at: 266350a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 266450a23e6eSJustin P. Mattock and: 266550a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 266650a23e6eSJustin P. Mattock Linux driver support status is documented at: 266750a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 26681da177e4SLinus Torvalds 26691da177e4SLinus Torvaldsconfig MMU 26701da177e4SLinus Torvalds bool 26711da177e4SLinus Torvalds default y 26721da177e4SLinus Torvalds 2673d865bea4SRalf Baechleconfig I8253 2674d865bea4SRalf Baechle bool 2675798778b8SRussell King select CLKSRC_I8253 26762d02612fSThomas Gleixner select CLKEVT_I8253 26779726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2678d865bea4SRalf Baechle 2679e05eb3f8SRalf Baechleconfig ZONE_DMA 2680e05eb3f8SRalf Baechle bool 2681e05eb3f8SRalf Baechle 2682cce335aeSRalf Baechleconfig ZONE_DMA32 2683cce335aeSRalf Baechle bool 2684cce335aeSRalf Baechle 26851da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 26861da177e4SLinus Torvalds 26871da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 26881da177e4SLinus Torvalds 2689388b78adSAlexandre Bounineconfig RAPIDIO 269056abde72SAlexandre Bounine tristate "RapidIO support" 2691388b78adSAlexandre Bounine depends on PCI 2692388b78adSAlexandre Bounine default n 2693388b78adSAlexandre Bounine help 2694388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2695388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2696388b78adSAlexandre Bounine 2697388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2698388b78adSAlexandre Bounine 26991da177e4SLinus Torvaldsendmenu 27001da177e4SLinus Torvalds 27011da177e4SLinus Torvaldsmenu "Executable file formats" 27021da177e4SLinus Torvalds 27031da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 27041da177e4SLinus Torvalds 27051da177e4SLinus Torvaldsconfig TRAD_SIGNALS 27061da177e4SLinus Torvalds bool 27071da177e4SLinus Torvalds 27081da177e4SLinus Torvaldsconfig MIPS32_COMPAT 27091da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2710875d43e7SRalf Baechle depends on 64BIT 27111da177e4SLinus Torvalds help 27121da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 27131da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 27141da177e4SLinus Torvalds currently 32-bit you should say Y here. 27151da177e4SLinus Torvalds 27161da177e4SLinus Torvaldsconfig COMPAT 27171da177e4SLinus Torvalds bool 27181da177e4SLinus Torvalds depends on MIPS32_COMPAT 271948b25c43SChris Metcalf select ARCH_WANT_OLD_COMPAT_IPC 27201da177e4SLinus Torvalds default y 27211da177e4SLinus Torvalds 272205e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 272305e43966SAtsushi Nemoto bool 272405e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 272505e43966SAtsushi Nemoto default y 272605e43966SAtsushi Nemoto 27271da177e4SLinus Torvaldsconfig MIPS32_O32 27281da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 27291da177e4SLinus Torvalds depends on MIPS32_COMPAT 27301da177e4SLinus Torvalds help 27311da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 27321da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 27331da177e4SLinus Torvalds existing binaries are in this format. 27341da177e4SLinus Torvalds 27351da177e4SLinus Torvalds If unsure, say Y. 27361da177e4SLinus Torvalds 27371da177e4SLinus Torvaldsconfig MIPS32_N32 27381da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 27391da177e4SLinus Torvalds depends on MIPS32_COMPAT 27401da177e4SLinus Torvalds help 27411da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 27421da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 27431da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 27441da177e4SLinus Torvalds cases. 27451da177e4SLinus Torvalds 27461da177e4SLinus Torvalds If unsure, say N. 27471da177e4SLinus Torvalds 27481da177e4SLinus Torvaldsconfig BINFMT_ELF32 27491da177e4SLinus Torvalds bool 27501da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 27511da177e4SLinus Torvalds 27522116245eSRalf Baechleendmenu 27531da177e4SLinus Torvalds 27542116245eSRalf Baechlemenu "Power management options" 2755952fa954SRodolfo Giometti 2756363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2757363c55caSWu Zhangjin def_bool y 27583f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2759363c55caSWu Zhangjin 2760f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2761f4cb5700SJohannes Berg def_bool y 27623f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2763f4cb5700SJohannes Berg 27642116245eSRalf Baechlesource "kernel/power/Kconfig" 2765952fa954SRodolfo Giometti 27661da177e4SLinus Torvaldsendmenu 27671da177e4SLinus Torvalds 27687a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 27697a998935SViresh Kumar bool 27707a998935SViresh Kumar 27717a998935SViresh Kumarmenu "CPU Power Management" 2772c095ebafSPaul Burton 2773c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 27747a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 27757a998935SViresh Kumarendif 27769726b43aSWu Zhangjin 2777c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2778c095ebafSPaul Burton 2779c095ebafSPaul Burtonendmenu 2780c095ebafSPaul Burton 2781d5950b43SSam Ravnborgsource "net/Kconfig" 2782d5950b43SSam Ravnborg 27831da177e4SLinus Torvaldssource "drivers/Kconfig" 27841da177e4SLinus Torvalds 278598cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 278698cdee0eSRalf Baechle 27871da177e4SLinus Torvaldssource "fs/Kconfig" 27881da177e4SLinus Torvalds 27891da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 27901da177e4SLinus Torvalds 27911da177e4SLinus Torvaldssource "security/Kconfig" 27921da177e4SLinus Torvalds 27931da177e4SLinus Torvaldssource "crypto/Kconfig" 27941da177e4SLinus Torvalds 27951da177e4SLinus Torvaldssource "lib/Kconfig" 27962235a54dSSanjay Lal 27972235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2798