11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 440e084a5SRalf Baechle select ARCH_SUPPORTS_UPROBES 5a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 6393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 75fac4f7aSPaul Burton select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 8c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 9f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 10ec7748b5SSam Ravnborg select HAVE_IDE 1142d4b839SMathieu Desnoyers select HAVE_OPROFILE 127f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 137f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1488547001SJason Wessel select HAVE_ARCH_KGDB 15490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 16c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 173f5fdb4bSMarkos Chandras select HAVE_BPF_JIT if !CPU_MICROMIPS 18d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 19538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 20538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2164575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2229c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 23c1bf207dSDavid Daney select HAVE_KPROBES 24c1bf207dSDavid Daney select HAVE_KRETPROBES 25fb59e394SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 26b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 271d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 282b68f6caSKees Cook select ARCH_HAS_ELF_RANDOMIZE 29383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 3030ad29bbSHuacai Chen select RTC_LIB if !MACH_LOONGSON64 312b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 327463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 3348e1fd5aSDavid Daney select HAVE_DMA_ATTRS 34f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3548e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 363bd27e32SDavid Daney select GENERIC_IRQ_PROBE 37f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 3878857614SMarkos Chandras select GENERIC_PCI_IOMAP 3994bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 40c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 410f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 429d15ffc8STejun Heo select HAVE_MEMBLOCK 439d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 449d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 45360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 464b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 47cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 48929de4ccSDeng-Cheng Zhu select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 49cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 50786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 514febd95aSStephen Rothwell select VIRT_TO_BUS 522f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 532f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5450150d2bSAl Viro select CLONE_BACKWARDS 55d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5619952a92SKees Cook select HAVE_CC_STACKPROTECTOR 57b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 58cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 5990cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 60d79d853dSMarkos Chandras select SYSCTL_EXCEPTION_TRACE 61bb877e96SDeng-Cheng Zhu select HAVE_VIRT_CPU_ACCOUNTING_GEN 62ec9ddad3SDeng-Cheng Zhu select HAVE_IRQ_TIME_ACCOUNTING 631da177e4SLinus Torvalds 641da177e4SLinus Torvaldsmenu "Machine selection" 651da177e4SLinus Torvalds 665e83d430SRalf Baechlechoice 675e83d430SRalf Baechle prompt "System type" 685e83d430SRalf Baechle default SGI_IP22 691da177e4SLinus Torvalds 7042a4f17dSManuel Laussconfig MIPS_ALCHEMY 71c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 7234adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 73f772cdb2SRalf Baechle select CEVT_R4K 74d7ea335cSSteven J. Hill select CSRC_R4K 7567e38cf2SRalf Baechle select IRQ_MIPS_CPU 7688e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 7742a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 7842a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 7942a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 80efb12436SAlexandre Courbot select ARCH_REQUIRE_GPIOLIB 811b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 8247440229SManuel Lauss select COMMON_CLK 831da177e4SLinus Torvalds 847ca5dc14SFlorian Fainelliconfig AR7 857ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 867ca5dc14SFlorian Fainelli select BOOT_ELF32 877ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 887ca5dc14SFlorian Fainelli select CEVT_R4K 897ca5dc14SFlorian Fainelli select CSRC_R4K 9067e38cf2SRalf Baechle select IRQ_MIPS_CPU 917ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 927ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 937ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 947ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 957ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 967ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 97377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 981b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 995f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 1007ca5dc14SFlorian Fainelli select VLYNQ 1018551fb64SYoichi Yuasa select HAVE_CLK 1027ca5dc14SFlorian Fainelli help 1037ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1047ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1057ca5dc14SFlorian Fainelli 10643cc739fSSergey Ryazanovconfig ATH25 10743cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 10843cc739fSSergey Ryazanov select CEVT_R4K 10943cc739fSSergey Ryazanov select CSRC_R4K 11043cc739fSSergey Ryazanov select DMA_NONCOHERENT 11167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1121753e74eSSergey Ryazanov select IRQ_DOMAIN 11343cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 11443cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 11543cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1168aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 11743cc739fSSergey Ryazanov help 11843cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 11943cc739fSSergey Ryazanov 120d4a67d9dSGabor Juhosconfig ATH79 121d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 1226eae43c5SGabor Juhos select ARCH_REQUIRE_GPIOLIB 123d4a67d9dSGabor Juhos select BOOT_RAW 124d4a67d9dSGabor Juhos select CEVT_R4K 125d4a67d9dSGabor Juhos select CSRC_R4K 126d4a67d9dSGabor Juhos select DMA_NONCOHERENT 12794638067SGabor Juhos select HAVE_CLK 128411520afSAlban Bedel select COMMON_CLK 1292c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 13067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1310aabf1a4SGabor Juhos select MIPS_MACHINE 132d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 133d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 134d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 135d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 136377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 137da628e8bSAlban Bedel select SYS_SUPPORTS_ZBOOT 13803c8c407SAlban Bedel select USE_OF 139d4a67d9dSGabor Juhos help 140d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 141d4a67d9dSGabor Juhos 1425f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 1435f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 144d666cd02SKevin Cernekee select BOOT_RAW 145d666cd02SKevin Cernekee select NO_EXCEPT_FILL 146d666cd02SKevin Cernekee select USE_OF 147d666cd02SKevin Cernekee select CEVT_R4K 148d666cd02SKevin Cernekee select CSRC_R4K 149d666cd02SKevin Cernekee select SYNC_R4K 150d666cd02SKevin Cernekee select COMMON_CLK 15160b858f2SKevin Cernekee select BCM7038_L1_IRQ 15260b858f2SKevin Cernekee select BCM7120_L2_IRQ 15360b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 15467e38cf2SRalf Baechle select IRQ_MIPS_CPU 15560b858f2SKevin Cernekee select DMA_NONCOHERENT 156d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 15760b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 158d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 159d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 16060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 16160b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 16260b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 163d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 164d666cd02SKevin Cernekee select SWAP_IO_SPACE 16560b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 16660b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 16760b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 16860b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 169d666cd02SKevin Cernekee help 1705f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 1715f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 1725f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 1735f2d4459SKevin Cernekee must be set appropriately for your board. 174d666cd02SKevin Cernekee 1751c0c13ebSAurelien Jarnoconfig BCM47XX 176c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 1772da4c74dSHauke Mehrtens select ARCH_WANT_OPTIONAL_GPIOLIB 178fe08f8c2SHauke Mehrtens select BOOT_RAW 17942f77542SRalf Baechle select CEVT_R4K 180940f6b48SRalf Baechle select CSRC_R4K 1811c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1821c0c13ebSAurelien Jarno select HW_HAS_PCI 18367e38cf2SRalf Baechle select IRQ_MIPS_CPU 184314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 185dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1861c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1871c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 188377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 18925e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 190e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 191c949c0bcSRafał Miłecki select GPIOLIB 192c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 193f6e734a8SRafał Miłecki select BCM47XX_NVRAM 1941c0c13ebSAurelien Jarno help 1951c0c13ebSAurelien Jarno Support for BCM47XX based boards 1961c0c13ebSAurelien Jarno 197e7300d04SMaxime Bizonconfig BCM63XX 198e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 199ae8de61cSFlorian Fainelli select BOOT_RAW 200e7300d04SMaxime Bizon select CEVT_R4K 201e7300d04SMaxime Bizon select CSRC_R4K 202fc264022SJonas Gorski select SYNC_R4K 203e7300d04SMaxime Bizon select DMA_NONCOHERENT 20467e38cf2SRalf Baechle select IRQ_MIPS_CPU 205e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 206e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 207e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 208e7300d04SMaxime Bizon select SWAP_IO_SPACE 209e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 2103e82eeebSYoichi Yuasa select HAVE_CLK 211af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 212e7300d04SMaxime Bizon help 213e7300d04SMaxime Bizon Support for BCM63XX based boards 214e7300d04SMaxime Bizon 2151da177e4SLinus Torvaldsconfig MIPS_COBALT 2163fa986faSMartin Michlmayr bool "Cobalt Server" 21742f77542SRalf Baechle select CEVT_R4K 218940f6b48SRalf Baechle select CSRC_R4K 2191097c6acSYoichi Yuasa select CEVT_GT641XX 2201da177e4SLinus Torvalds select DMA_NONCOHERENT 2211da177e4SLinus Torvalds select HW_HAS_PCI 222d865bea4SRalf Baechle select I8253 2231da177e4SLinus Torvalds select I8259 22467e38cf2SRalf Baechle select IRQ_MIPS_CPU 225d5ab1a69SYoichi Yuasa select IRQ_GT641XX 226252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 227e25bfc92SYoichi Yuasa select PCI 2287cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2290a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 230ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2310e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2325e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 233e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvaldsconfig MACH_DECSTATION 2363fa986faSMartin Michlmayr bool "DECstations" 2371da177e4SLinus Torvalds select BOOT_ELF32 2386457d9fcSYoichi Yuasa select CEVT_DS1287 23981d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2404247417dSYoichi Yuasa select CSRC_IOASIC 24181d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 24220d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 24320d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 24420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 2451da177e4SLinus Torvalds select DMA_NONCOHERENT 246ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 24767e38cf2SRalf Baechle select IRQ_MIPS_CPU 2487cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 2497cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 250ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2517d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2525e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2531723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 2541723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 2551723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 256930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2575e83d430SRalf Baechle help 2581da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2591da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2601da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2611da177e4SLinus Torvalds 2621da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2631da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2641da177e4SLinus Torvalds 2651da177e4SLinus Torvalds DECstation 5000/50 2661da177e4SLinus Torvalds DECstation 5000/150 2671da177e4SLinus Torvalds DECstation 5000/260 2681da177e4SLinus Torvalds DECsystem 5900/260 2691da177e4SLinus Torvalds 2701da177e4SLinus Torvalds otherwise choose R3000. 2711da177e4SLinus Torvalds 2725e83d430SRalf Baechleconfig MACH_JAZZ 2733fa986faSMartin Michlmayr bool "Jazz family of machines" 2740e2794b0SRalf Baechle select FW_ARC 2750e2794b0SRalf Baechle select FW_ARC32 2765e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 27742f77542SRalf Baechle select CEVT_R4K 278940f6b48SRalf Baechle select CSRC_R4K 279e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2805e83d430SRalf Baechle select GENERIC_ISA_DMA 2818a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 28267e38cf2SRalf Baechle select IRQ_MIPS_CPU 283d865bea4SRalf Baechle select I8253 2845e83d430SRalf Baechle select I8259 2855e83d430SRalf Baechle select ISA 2867cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2875e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2887d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2891723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2901da177e4SLinus Torvalds help 2915e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2925e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 293692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 2945e83d430SRalf Baechle Olivetti M700-10 workstations. 2955e83d430SRalf Baechle 296de361e8bSPaul Burtonconfig MACH_INGENIC 297de361e8bSPaul Burton bool "Ingenic SoC based machines" 2985ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 2995ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 300f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3015ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 30267e38cf2SRalf Baechle select IRQ_MIPS_CPU 3035ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 304ff1930c6SPaul Burton select COMMON_CLK 30583bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 306ffb1843dSPaul Burton select BUILTIN_DTB 307ffb1843dSPaul Burton select USE_OF 3086ec127fbSPaul Burton select LIBFDT 3095ebabe59SLars-Peter Clausen 310171bb2f1SJohn Crispinconfig LANTIQ 311171bb2f1SJohn Crispin bool "Lantiq based platforms" 312171bb2f1SJohn Crispin select DMA_NONCOHERENT 31367e38cf2SRalf Baechle select IRQ_MIPS_CPU 314171bb2f1SJohn Crispin select CEVT_R4K 315171bb2f1SJohn Crispin select CSRC_R4K 316171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 317171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 318171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 319171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 320377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 321171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 322171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 323171bb2f1SJohn Crispin select ARCH_REQUIRE_GPIOLIB 324171bb2f1SJohn Crispin select SWAP_IO_SPACE 325171bb2f1SJohn Crispin select BOOT_RAW 326287e3f3fSJohn Crispin select HAVE_MACH_CLKDEV 327287e3f3fSJohn Crispin select CLKDEV_LOOKUP 328a0392222SJohn Crispin select USE_OF 3293f8c50c9SJohn Crispin select PINCTRL 3303f8c50c9SJohn Crispin select PINCTRL_LANTIQ 331c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 332c530781cSJohn Crispin select RESET_CONTROLLER 333171bb2f1SJohn Crispin 3341f21d2bdSBrian Murphyconfig LASAT 3351f21d2bdSBrian Murphy bool "LASAT Networks platforms" 33642f77542SRalf Baechle select CEVT_R4K 33716f0bbbcSRalf Baechle select CRC32 338940f6b48SRalf Baechle select CSRC_R4K 3391f21d2bdSBrian Murphy select DMA_NONCOHERENT 3401f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3411f21d2bdSBrian Murphy select HW_HAS_PCI 34267e38cf2SRalf Baechle select IRQ_MIPS_CPU 3431f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 3441f21d2bdSBrian Murphy select MIPS_NILE4 3451f21d2bdSBrian Murphy select R5000_CPU_SCACHE 3461f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 3471f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 3481f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 3491f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 3501f21d2bdSBrian Murphy 35130ad29bbSHuacai Chenconfig MACH_LOONGSON32 35230ad29bbSHuacai Chen bool "Loongson-1 family of machines" 353c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 354ade299d8SYoichi Yuasa help 35530ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 35685749d24SWu Zhangjin 35730ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 35830ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 35930ad29bbSHuacai Chen Sciences (CAS). 360ade299d8SYoichi Yuasa 36130ad29bbSHuacai Chenconfig MACH_LOONGSON64 36230ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 363ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 364ca585cf9SKelvin Cheung help 36530ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 366ca585cf9SKelvin Cheung 36730ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 36830ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 36930ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 37030ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 37130ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 37230ad29bbSHuacai Chen Weiwu Hu. 373ca585cf9SKelvin Cheung 3746a438309SAndrew Brestickerconfig MACH_PISTACHIO 3756a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 3766a438309SAndrew Bresticker select ARCH_REQUIRE_GPIOLIB 3776a438309SAndrew Bresticker select BOOT_ELF32 3786a438309SAndrew Bresticker select BOOT_RAW 3796a438309SAndrew Bresticker select CEVT_R4K 3806a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 3816a438309SAndrew Bresticker select COMMON_CLK 3826a438309SAndrew Bresticker select CSRC_R4K 3836a438309SAndrew Bresticker select DMA_MAYBE_COHERENT 38467e38cf2SRalf Baechle select IRQ_MIPS_CPU 3856a438309SAndrew Bresticker select LIBFDT 3866a438309SAndrew Bresticker select MFD_SYSCON 3876a438309SAndrew Bresticker select MIPS_CPU_SCACHE 3886a438309SAndrew Bresticker select MIPS_GIC 3896a438309SAndrew Bresticker select PINCTRL 3906a438309SAndrew Bresticker select REGULATOR 3916a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 3926a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 3936a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 3946a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 3956a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 3966a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 397018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 398018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 3996a438309SAndrew Bresticker select USE_OF 4006a438309SAndrew Bresticker help 4016a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4026a438309SAndrew Bresticker 4031da177e4SLinus Torvaldsconfig MIPS_MALTA 4043fa986faSMartin Michlmayr bool "MIPS Malta board" 40561ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 4061da177e4SLinus Torvalds select BOOT_ELF32 407fa71c960SRalf Baechle select BOOT_RAW 408e8823d26SPaul Burton select BUILTIN_DTB 40942f77542SRalf Baechle select CEVT_R4K 410940f6b48SRalf Baechle select CSRC_R4K 411fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 41242b002abSGuenter Roeck select COMMON_CLK 413885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 4141da177e4SLinus Torvalds select GENERIC_ISA_DMA 4158a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 41667e38cf2SRalf Baechle select IRQ_MIPS_CPU 4178a19b8f1SAndrew Bresticker select MIPS_GIC 4181da177e4SLinus Torvalds select HW_HAS_PCI 419d865bea4SRalf Baechle select I8253 4201da177e4SLinus Torvalds select I8259 4215e83d430SRalf Baechle select MIPS_BONITO64 4229318c51aSChris Dearman select MIPS_CPU_SCACHE 423a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 424252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 4255e83d430SRalf Baechle select MIPS_MSC 4261da177e4SLinus Torvalds select SWAP_IO_SPACE 4277cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 4287cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 429bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 430c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 431575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 4327cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 4335d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 434575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 4357cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 4367cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 437ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 438ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4395e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 440c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 4415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 442424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 4430365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 444e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 445377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 446f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 4479693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 4481b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 449e8823d26SPaul Burton select USE_OF 450abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 4511da177e4SLinus Torvalds help 452f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 4531da177e4SLinus Torvalds board. 4541da177e4SLinus Torvalds 455ec47b274SSteven J. Hillconfig MIPS_SEAD3 456ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 457ec47b274SSteven J. Hill select BOOT_ELF32 458ec47b274SSteven J. Hill select BOOT_RAW 459f262b5f2SAndrew Bresticker select BUILTIN_DTB 460ec47b274SSteven J. Hill select CEVT_R4K 461ec47b274SSteven J. Hill select CSRC_R4K 462fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 46342b002abSGuenter Roeck select COMMON_CLK 464ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 465ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 466ec47b274SSteven J. Hill select DMA_NONCOHERENT 46767e38cf2SRalf Baechle select IRQ_MIPS_CPU 4688a19b8f1SAndrew Bresticker select MIPS_GIC 46944327236SQais Yousef select LIBFDT 470ec47b274SSteven J. Hill select MIPS_MSC 471ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 472ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 473ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 474ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 475ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 476ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 477ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 478ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 479ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 480a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 481377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 482ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 483ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 4849b731009SSteven J. Hill select USE_OF 485ec47b274SSteven J. Hill help 486ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 487ec47b274SSteven J. Hill board. 488ec47b274SSteven J. Hill 489a83860c2SRalf Baechleconfig NEC_MARKEINS 490a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 491a83860c2SRalf Baechle select SOC_EMMA2RH 492a83860c2SRalf Baechle select HW_HAS_PCI 493a83860c2SRalf Baechle help 494a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 495ade299d8SYoichi Yuasa 4965e83d430SRalf Baechleconfig MACH_VR41XX 49774142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 49842f77542SRalf Baechle select CEVT_R4K 499940f6b48SRalf Baechle select CSRC_R4K 5007cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 501377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 50227fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 5035e83d430SRalf Baechle 504edb6310aSDaniel Lairdconfig NXP_STB220 505edb6310aSDaniel Laird bool "NXP STB220 board" 506edb6310aSDaniel Laird select SOC_PNX833X 507edb6310aSDaniel Laird help 508edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 509edb6310aSDaniel Laird 510edb6310aSDaniel Lairdconfig NXP_STB225 511edb6310aSDaniel Laird bool "NXP 225 board" 512edb6310aSDaniel Laird select SOC_PNX833X 513edb6310aSDaniel Laird select SOC_PNX8335 514edb6310aSDaniel Laird help 515edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 516edb6310aSDaniel Laird 5179267a30dSMarc St-Jeanconfig PMC_MSP 5189267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 51939d30c13SAnoop P A select CEVT_R4K 52039d30c13SAnoop P A select CSRC_R4K 5219267a30dSMarc St-Jean select DMA_NONCOHERENT 5229267a30dSMarc St-Jean select SWAP_IO_SPACE 5239267a30dSMarc St-Jean select NO_EXCEPT_FILL 5249267a30dSMarc St-Jean select BOOT_RAW 5259267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5269267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5279267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5289267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 529377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 53067e38cf2SRalf Baechle select IRQ_MIPS_CPU 5319267a30dSMarc St-Jean select SERIAL_8250 5329267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5339296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5349296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5359267a30dSMarc St-Jean help 5369267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 5379267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 5389267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 5399267a30dSMarc St-Jean a variety of MIPS cores. 5409267a30dSMarc St-Jean 541ae2b5bb6SJohn Crispinconfig RALINK 542ae2b5bb6SJohn Crispin bool "Ralink based machines" 543ae2b5bb6SJohn Crispin select CEVT_R4K 544ae2b5bb6SJohn Crispin select CSRC_R4K 545ae2b5bb6SJohn Crispin select BOOT_RAW 546ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 54767e38cf2SRalf Baechle select IRQ_MIPS_CPU 548ae2b5bb6SJohn Crispin select USE_OF 549ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 550ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 551ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 552ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 553377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 554ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 555ae2b5bb6SJohn Crispin select HAVE_MACH_CLKDEV 556ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 5572a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 5582a153f1cSJohn Crispin select RESET_CONTROLLER 559ae2b5bb6SJohn Crispin 5601da177e4SLinus Torvaldsconfig SGI_IP22 5613fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 5620e2794b0SRalf Baechle select FW_ARC 5630e2794b0SRalf Baechle select FW_ARC32 5641da177e4SLinus Torvalds select BOOT_ELF32 56542f77542SRalf Baechle select CEVT_R4K 566940f6b48SRalf Baechle select CSRC_R4K 567e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 5681da177e4SLinus Torvalds select DMA_NONCOHERENT 5695e83d430SRalf Baechle select HW_HAS_EISA 570d865bea4SRalf Baechle select I8253 57168de4803SThomas Bogendoerfer select I8259 5721da177e4SLinus Torvalds select IP22_CPU_SCACHE 57367e38cf2SRalf Baechle select IRQ_MIPS_CPU 574aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 575e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 576e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 57736e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 578e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 579e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 580e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 5811da177e4SLinus Torvalds select SWAP_IO_SPACE 5827cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5837cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 5842b5e63f6SMartin Michlmayr # 5852b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5862b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5872b5e63f6SMartin Michlmayr # 5882b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5892b5e63f6SMartin Michlmayr # for a more details discussion 5902b5e63f6SMartin Michlmayr # 5912b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 592ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 593ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5945e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 595930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5961da177e4SLinus Torvalds help 5971da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 5981da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 5991da177e4SLinus Torvalds that runs on these, say Y here. 6001da177e4SLinus Torvalds 6011da177e4SLinus Torvaldsconfig SGI_IP27 6023fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6030e2794b0SRalf Baechle select FW_ARC 6040e2794b0SRalf Baechle select FW_ARC64 6055e83d430SRalf Baechle select BOOT_ELF64 606e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 607634286f1SRalf Baechle select DMA_COHERENT 60836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6091da177e4SLinus Torvalds select HW_HAS_PCI 610130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6117cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 612ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6135e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 614d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6151a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 616930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6171da177e4SLinus Torvalds help 6181da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6191da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6201da177e4SLinus Torvalds here. 6211da177e4SLinus Torvalds 622e2defae5SThomas Bogendoerferconfig SGI_IP28 6237d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6240e2794b0SRalf Baechle select FW_ARC 6250e2794b0SRalf Baechle select FW_ARC64 626e2defae5SThomas Bogendoerfer select BOOT_ELF64 627e2defae5SThomas Bogendoerfer select CEVT_R4K 628e2defae5SThomas Bogendoerfer select CSRC_R4K 629e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 630e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 631e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 63267e38cf2SRalf Baechle select IRQ_MIPS_CPU 633e2defae5SThomas Bogendoerfer select HW_HAS_EISA 634e2defae5SThomas Bogendoerfer select I8253 635e2defae5SThomas Bogendoerfer select I8259 636e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 637e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 6385b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 639e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 640e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 641e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 642e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 643e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 6442b5e63f6SMartin Michlmayr # 6452b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6462b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6472b5e63f6SMartin Michlmayr # 6482b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6492b5e63f6SMartin Michlmayr # for a more details discussion 6502b5e63f6SMartin Michlmayr # 6512b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 652e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 653e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 654dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 655e2defae5SThomas Bogendoerfer help 656e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 657e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 658e2defae5SThomas Bogendoerfer 6591da177e4SLinus Torvaldsconfig SGI_IP32 660cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 6610e2794b0SRalf Baechle select FW_ARC 6620e2794b0SRalf Baechle select FW_ARC32 6631da177e4SLinus Torvalds select BOOT_ELF32 66442f77542SRalf Baechle select CEVT_R4K 665940f6b48SRalf Baechle select CSRC_R4K 6661da177e4SLinus Torvalds select DMA_NONCOHERENT 6671da177e4SLinus Torvalds select HW_HAS_PCI 66867e38cf2SRalf Baechle select IRQ_MIPS_CPU 6691da177e4SLinus Torvalds select R5000_CPU_SCACHE 6701da177e4SLinus Torvalds select RM7000_CPU_SCACHE 6717cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6727cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 6737cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 674dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 675ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6765e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6771da177e4SLinus Torvalds help 6781da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 6791da177e4SLinus Torvalds 680ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 681ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 6825e83d430SRalf Baechle select BOOT_ELF32 6835e83d430SRalf Baechle select DMA_COHERENT 6845e83d430SRalf Baechle select SIBYTE_BCM1120 6855e83d430SRalf Baechle select SWAP_IO_SPACE 6867cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6875e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6885e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6895e83d430SRalf Baechle 690ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 691ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 6925e83d430SRalf Baechle select BOOT_ELF32 6935e83d430SRalf Baechle select DMA_COHERENT 6945e83d430SRalf Baechle select SIBYTE_BCM1120 6955e83d430SRalf Baechle select SWAP_IO_SPACE 6967cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6975e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6985e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6995e83d430SRalf Baechle 7005e83d430SRalf Baechleconfig SIBYTE_CRHONE 7013fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7025e83d430SRalf Baechle select BOOT_ELF32 7035e83d430SRalf Baechle select DMA_COHERENT 7045e83d430SRalf Baechle select SIBYTE_BCM1125 7055e83d430SRalf Baechle select SWAP_IO_SPACE 7067cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7075e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7085e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7095e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7105e83d430SRalf Baechle 711ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 712ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 713ade299d8SYoichi Yuasa select BOOT_ELF32 714ade299d8SYoichi Yuasa select DMA_COHERENT 715ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 716ade299d8SYoichi Yuasa select SWAP_IO_SPACE 717ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 718ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 719ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 720ade299d8SYoichi Yuasa 721ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 722ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 723ade299d8SYoichi Yuasa select BOOT_ELF32 724ade299d8SYoichi Yuasa select DMA_COHERENT 725fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 726ade299d8SYoichi Yuasa select SIBYTE_SB1250 727ade299d8SYoichi Yuasa select SWAP_IO_SPACE 728ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 729ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 730ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 731ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 732cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 733ade299d8SYoichi Yuasa 734ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 735ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 736ade299d8SYoichi Yuasa select BOOT_ELF32 737ade299d8SYoichi Yuasa select DMA_COHERENT 738fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 739ade299d8SYoichi Yuasa select SIBYTE_SB1250 740ade299d8SYoichi Yuasa select SWAP_IO_SPACE 741ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 742ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 743ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 744ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 745ade299d8SYoichi Yuasa 746ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 747ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 748ade299d8SYoichi Yuasa select BOOT_ELF32 749ade299d8SYoichi Yuasa select DMA_COHERENT 750ade299d8SYoichi Yuasa select SIBYTE_SB1250 751ade299d8SYoichi Yuasa select SWAP_IO_SPACE 752ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 753ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 754ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 755ade299d8SYoichi Yuasa 756ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 757ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 758ade299d8SYoichi Yuasa select BOOT_ELF32 759ade299d8SYoichi Yuasa select DMA_COHERENT 760ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 761ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 762ade299d8SYoichi Yuasa select SWAP_IO_SPACE 763ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 764ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 765651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 766ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 767cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 768ade299d8SYoichi Yuasa 76914b36af4SThomas Bogendoerferconfig SNI_RM 77014b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 7710e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 7720e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 773aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 7745e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 7755e83d430SRalf Baechle select BOOT_ELF32 77642f77542SRalf Baechle select CEVT_R4K 777940f6b48SRalf Baechle select CSRC_R4K 778e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 7795e83d430SRalf Baechle select DMA_NONCOHERENT 7805e83d430SRalf Baechle select GENERIC_ISA_DMA 7818a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 7825e83d430SRalf Baechle select HW_HAS_EISA 7835e83d430SRalf Baechle select HW_HAS_PCI 78467e38cf2SRalf Baechle select IRQ_MIPS_CPU 785d865bea4SRalf Baechle select I8253 7865e83d430SRalf Baechle select I8259 7875e83d430SRalf Baechle select ISA 7884a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 7897cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 7904a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 791c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7924a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 79336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 794ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 7957d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 7964a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7975e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7985e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7991da177e4SLinus Torvalds help 80014b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 80114b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8025e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8035e83d430SRalf Baechle support this machine type. 8041da177e4SLinus Torvalds 805edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 806edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8075e83d430SRalf Baechle 808edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 809edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 81023fbee9dSRalf Baechle 81173b4390fSRalf Baechleconfig MIKROTIK_RB532 81273b4390fSRalf Baechle bool "Mikrotik RB532 boards" 81373b4390fSRalf Baechle select CEVT_R4K 81473b4390fSRalf Baechle select CSRC_R4K 81573b4390fSRalf Baechle select DMA_NONCOHERENT 81673b4390fSRalf Baechle select HW_HAS_PCI 81767e38cf2SRalf Baechle select IRQ_MIPS_CPU 81873b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 81973b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 82073b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 82173b4390fSRalf Baechle select SWAP_IO_SPACE 82273b4390fSRalf Baechle select BOOT_RAW 823d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 824930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 82573b4390fSRalf Baechle help 82673b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 82773b4390fSRalf Baechle based on the IDT RC32434 SoC. 82873b4390fSRalf Baechle 8299ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8309ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 831a86c7f72SDavid Daney select CEVT_R4K 83234adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 833a86c7f72SDavid Daney select DMA_COHERENT 834a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 835a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 836f65aad41SRalf Baechle select EDAC_SUPPORT 837b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 83873569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 83973569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 840a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 8415e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 842a86c7f72SDavid Daney select SWAP_IO_SPACE 843e8635b48SDavid Daney select HW_HAS_PCI 844f00e001eSDavid Daney select ZONE_DMA32 845465aaed0SDavid Daney select HOLES_IN_ZONE 84699cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 8476e511163SDavid Daney select LIBFDT 8486e511163SDavid Daney select USE_OF 8496e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 8506e511163SDavid Daney select SYS_SUPPORTS_SMP 8516e511163SDavid Daney select NR_CPUS_DEFAULT_16 852e326479fSAndrew Bresticker select BUILTIN_DTB 8538c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 854a86c7f72SDavid Daney help 855a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 856a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 857a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 858a86c7f72SDavid Daney Some of the supported boards are: 859a86c7f72SDavid Daney EBT3000 860a86c7f72SDavid Daney EBH3000 861a86c7f72SDavid Daney EBH3100 862a86c7f72SDavid Daney Thunder 863a86c7f72SDavid Daney Kodama 864a86c7f72SDavid Daney Hikari 865a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 866a86c7f72SDavid Daney 8677f058e85SJayachandran Cconfig NLM_XLR_BOARD 8687f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 8697f058e85SJayachandran C select BOOT_ELF32 8707f058e85SJayachandran C select NLM_COMMON 8717f058e85SJayachandran C select SYS_HAS_CPU_XLR 8727f058e85SJayachandran C select SYS_SUPPORTS_SMP 8737f058e85SJayachandran C select HW_HAS_PCI 8747f058e85SJayachandran C select SWAP_IO_SPACE 8757f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8767f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 87734adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 8787f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8797f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 8807f058e85SJayachandran C select DMA_COHERENT 8817f058e85SJayachandran C select NR_CPUS_DEFAULT_32 8827f058e85SJayachandran C select CEVT_R4K 8837f058e85SJayachandran C select CSRC_R4K 88467e38cf2SRalf Baechle select IRQ_MIPS_CPU 885b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8867f058e85SJayachandran C select SYNC_R4K 8877f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 8888f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8898f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8907f058e85SJayachandran C help 8917f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 8927f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 8937f058e85SJayachandran C 8941c773ea4SJayachandran Cconfig NLM_XLP_BOARD 8951c773ea4SJayachandran C bool "Netlogic XLP based systems" 8961c773ea4SJayachandran C select BOOT_ELF32 8971c773ea4SJayachandran C select NLM_COMMON 8981c773ea4SJayachandran C select SYS_HAS_CPU_XLP 8991c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9001c773ea4SJayachandran C select HW_HAS_PCI 9011c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9021c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 90334adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 904079e3160SKamlakant Patel select ARCH_REQUIRE_GPIOLIB 9051c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9061c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9071c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9081c773ea4SJayachandran C select DMA_COHERENT 9091c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9101c773ea4SJayachandran C select CEVT_R4K 9111c773ea4SJayachandran C select CSRC_R4K 91267e38cf2SRalf Baechle select IRQ_MIPS_CPU 913b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9141c773ea4SJayachandran C select SYNC_R4K 9151c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9162f6528e1SJayachandran C select USE_OF 9178f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9188f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9191c773ea4SJayachandran C help 9201c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9211c773ea4SJayachandran C Say Y here if you have a XLP based board. 9221c773ea4SJayachandran C 9239bc463beSDavid Daneyconfig MIPS_PARAVIRT 9249bc463beSDavid Daney bool "Para-Virtualized guest system" 9259bc463beSDavid Daney select CEVT_R4K 9269bc463beSDavid Daney select CSRC_R4K 9279bc463beSDavid Daney select DMA_COHERENT 9289bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9299bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9309bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9319bc463beSDavid Daney select SYS_SUPPORTS_SMP 9329bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9339bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9349bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9359bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9369bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9379bc463beSDavid Daney select HW_HAS_PCI 9389bc463beSDavid Daney select SWAP_IO_SPACE 9399bc463beSDavid Daney help 9409bc463beSDavid Daney This option supports guest running under ???? 9419bc463beSDavid Daney 9421da177e4SLinus Torvaldsendchoice 9431da177e4SLinus Torvalds 944e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 9453b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 946d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 947a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 948e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 9498945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 9505e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 9515ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 9528ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 9531f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 954*af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 9550f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 956ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 95729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 95838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 95922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 9605e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 961a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 96230ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 96330ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 9647f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 965ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 96638b18f72SRalf Baechle 9675e83d430SRalf Baechleendmenu 9685e83d430SRalf Baechle 9691da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 9701da177e4SLinus Torvalds bool 9711da177e4SLinus Torvalds default y 9721da177e4SLinus Torvalds 9731da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 9741da177e4SLinus Torvalds bool 9751da177e4SLinus Torvalds 976f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 977f0d1b0b3SDavid Howells bool 978f0d1b0b3SDavid Howells default n 979f0d1b0b3SDavid Howells 980f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 981f0d1b0b3SDavid Howells bool 982f0d1b0b3SDavid Howells default n 983f0d1b0b3SDavid Howells 9843c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 9853c9ee7efSAkinobu Mita bool 9863c9ee7efSAkinobu Mita default y 9873c9ee7efSAkinobu Mita 9881da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 9891da177e4SLinus Torvalds bool 9901da177e4SLinus Torvalds default y 9911da177e4SLinus Torvalds 992ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 9931cc89038SAtsushi Nemoto bool 9941cc89038SAtsushi Nemoto default y 9951cc89038SAtsushi Nemoto 9961da177e4SLinus Torvalds# 9971da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 9981da177e4SLinus Torvalds# 9990e2794b0SRalf Baechleconfig FW_ARC 10001da177e4SLinus Torvalds bool 10011da177e4SLinus Torvalds 100261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 100361ed242dSRalf Baechle bool 100461ed242dSRalf Baechle 10059267a30dSMarc St-Jeanconfig BOOT_RAW 10069267a30dSMarc St-Jean bool 10079267a30dSMarc St-Jean 1008217dd11eSRalf Baechleconfig CEVT_BCM1480 1009217dd11eSRalf Baechle bool 1010217dd11eSRalf Baechle 10116457d9fcSYoichi Yuasaconfig CEVT_DS1287 10126457d9fcSYoichi Yuasa bool 10136457d9fcSYoichi Yuasa 10141097c6acSYoichi Yuasaconfig CEVT_GT641XX 10151097c6acSYoichi Yuasa bool 10161097c6acSYoichi Yuasa 101742f77542SRalf Baechleconfig CEVT_R4K 101842f77542SRalf Baechle bool 101942f77542SRalf Baechle 1020217dd11eSRalf Baechleconfig CEVT_SB1250 1021217dd11eSRalf Baechle bool 1022217dd11eSRalf Baechle 1023229f773eSAtsushi Nemotoconfig CEVT_TXX9 1024229f773eSAtsushi Nemoto bool 1025229f773eSAtsushi Nemoto 1026217dd11eSRalf Baechleconfig CSRC_BCM1480 1027217dd11eSRalf Baechle bool 1028217dd11eSRalf Baechle 10294247417dSYoichi Yuasaconfig CSRC_IOASIC 10304247417dSYoichi Yuasa bool 10314247417dSYoichi Yuasa 1032940f6b48SRalf Baechleconfig CSRC_R4K 1033940f6b48SRalf Baechle bool 1034940f6b48SRalf Baechle 1035217dd11eSRalf Baechleconfig CSRC_SB1250 1036217dd11eSRalf Baechle bool 1037217dd11eSRalf Baechle 1038a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 10397444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 1040a9aec7feSAtsushi Nemoto bool 1041a9aec7feSAtsushi Nemoto 10420e2794b0SRalf Baechleconfig FW_CFE 1043df78b5c8SAurelien Jarno bool 1044df78b5c8SAurelien Jarno 10454bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 104634adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 10474bafad92SFUJITA Tomonori 104840e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 104940e084a5SRalf Baechle bool 105040e084a5SRalf Baechle 1051885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1052885014bcSFelix Fietkau select DMA_NONCOHERENT 1053885014bcSFelix Fietkau bool 1054885014bcSFelix Fietkau 10551da177e4SLinus Torvaldsconfig DMA_COHERENT 10561da177e4SLinus Torvalds bool 10571da177e4SLinus Torvalds 10581da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 10591da177e4SLinus Torvalds bool 1060e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 10614ce588cdSRalf Baechle 1062e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 10634ce588cdSRalf Baechle bool 10641da177e4SLinus Torvalds 106536a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 10661da177e4SLinus Torvalds bool 10671da177e4SLinus Torvalds 1068dbb74540SRalf Baechleconfig HOTPLUG_CPU 10691b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 107040b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 10711b2bc75cSRalf Baechle help 10721b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 10731b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 10741b2bc75cSRalf Baechle (Note: power management support will enable this option 10751b2bc75cSRalf Baechle automatically on SMP systems. ) 10761b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 10771b2bc75cSRalf Baechle 10781b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1079dbb74540SRalf Baechle bool 1080dbb74540SRalf Baechle 10811da177e4SLinus Torvaldsconfig I8259 10821da177e4SLinus Torvalds bool 1083079a4601SAndrew Bresticker select IRQ_DOMAIN 10841da177e4SLinus Torvalds 10851da177e4SLinus Torvaldsconfig MIPS_BONITO64 10861da177e4SLinus Torvalds bool 10871da177e4SLinus Torvalds 10881da177e4SLinus Torvaldsconfig MIPS_MSC 10891da177e4SLinus Torvalds bool 10901da177e4SLinus Torvalds 10911f21d2bdSBrian Murphyconfig MIPS_NILE4 10921f21d2bdSBrian Murphy bool 10931f21d2bdSBrian Murphy 109439b8d525SRalf Baechleconfig SYNC_R4K 109539b8d525SRalf Baechle bool 109639b8d525SRalf Baechle 1097487d70d0SGabor Juhosconfig MIPS_MACHINE 1098487d70d0SGabor Juhos def_bool n 1099487d70d0SGabor Juhos 1100ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1101d388d685SMaciej W. Rozycki def_bool n 1102d388d685SMaciej W. Rozycki 11034e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11044e0748f5SMarkos Chandras bool 11054e0748f5SMarkos Chandras 11068313da30SRalf Baechleconfig GENERIC_ISA_DMA 11078313da30SRalf Baechle bool 11088313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1109a35bee8aSNamhyung Kim select ISA_DMA_API 11108313da30SRalf Baechle 1111aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1112aa414dffSRalf Baechle bool 11138313da30SRalf Baechle select GENERIC_ISA_DMA 1114aa414dffSRalf Baechle 1115a35bee8aSNamhyung Kimconfig ISA_DMA_API 1116a35bee8aSNamhyung Kim bool 1117a35bee8aSNamhyung Kim 1118465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1119465aaed0SDavid Daney bool 1120465aaed0SDavid Daney 11215e83d430SRalf Baechle# 11226b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11235e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11245e83d430SRalf Baechle# choice statement should be more obvious to the user. 11255e83d430SRalf Baechle# 11265e83d430SRalf Baechlechoice 11276b2aac42SMasanari Iida prompt "Endianness selection" 11281da177e4SLinus Torvalds help 11291da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11305e83d430SRalf Baechle byte order. These modes require different kernels and a different 11313cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11325e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11333dde6ad8SDavid Sterba one or the other endianness. 11345e83d430SRalf Baechle 11355e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11365e83d430SRalf Baechle bool "Big endian" 11375e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11385e83d430SRalf Baechle 11395e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11405e83d430SRalf Baechle bool "Little endian" 11415e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11425e83d430SRalf Baechle 11435e83d430SRalf Baechleendchoice 11445e83d430SRalf Baechle 114522b0763aSDavid Daneyconfig EXPORT_UASM 114622b0763aSDavid Daney bool 114722b0763aSDavid Daney 11482116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 11492116245eSRalf Baechle bool 11502116245eSRalf Baechle 11515e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 11525e83d430SRalf Baechle bool 11535e83d430SRalf Baechle 11545e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 11555e83d430SRalf Baechle bool 11561da177e4SLinus Torvalds 11579cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 11589cffd154SDavid Daney bool 11599cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 11609cffd154SDavid Daney default y 11619cffd154SDavid Daney 1162aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1163aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1164aa1762f4SDavid Daney 11651da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 11661da177e4SLinus Torvalds bool 11671da177e4SLinus Torvalds 11689267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 11699267a30dSMarc St-Jean bool 11709267a30dSMarc St-Jean 11719267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 11729267a30dSMarc St-Jean bool 11739267a30dSMarc St-Jean 11748420fd00SAtsushi Nemotoconfig IRQ_TXX9 11758420fd00SAtsushi Nemoto bool 11768420fd00SAtsushi Nemoto 1177d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1178d5ab1a69SYoichi Yuasa bool 1179d5ab1a69SYoichi Yuasa 1180252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 11811da177e4SLinus Torvalds bool 11821da177e4SLinus Torvalds 11839267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 11849267a30dSMarc St-Jean bool 11859267a30dSMarc St-Jean 1186a83860c2SRalf Baechleconfig SOC_EMMA2RH 1187a83860c2SRalf Baechle bool 1188a83860c2SRalf Baechle select CEVT_R4K 1189a83860c2SRalf Baechle select CSRC_R4K 1190a83860c2SRalf Baechle select DMA_NONCOHERENT 119167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1192a83860c2SRalf Baechle select SWAP_IO_SPACE 1193a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1194a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1195a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1196a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1197a83860c2SRalf Baechle 1198edb6310aSDaniel Lairdconfig SOC_PNX833X 1199edb6310aSDaniel Laird bool 1200edb6310aSDaniel Laird select CEVT_R4K 1201edb6310aSDaniel Laird select CSRC_R4K 120267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1203edb6310aSDaniel Laird select DMA_NONCOHERENT 1204edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1205edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1206edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1207edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1208377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1209edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1210edb6310aSDaniel Laird 1211edb6310aSDaniel Lairdconfig SOC_PNX8335 1212edb6310aSDaniel Laird bool 1213edb6310aSDaniel Laird select SOC_PNX833X 1214edb6310aSDaniel Laird 1215a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1216a7e07b1aSMarkos Chandras bool 1217a7e07b1aSMarkos Chandras 12181da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12191da177e4SLinus Torvalds bool 12201da177e4SLinus Torvalds 1221e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1222e2defae5SThomas Bogendoerfer bool 1223e2defae5SThomas Bogendoerfer 12245b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12255b438c44SThomas Bogendoerfer bool 12265b438c44SThomas Bogendoerfer 1227e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1228e2defae5SThomas Bogendoerfer bool 1229e2defae5SThomas Bogendoerfer 1230e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1231e2defae5SThomas Bogendoerfer bool 1232e2defae5SThomas Bogendoerfer 1233e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1234e2defae5SThomas Bogendoerfer bool 1235e2defae5SThomas Bogendoerfer 1236e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1237e2defae5SThomas Bogendoerfer bool 1238e2defae5SThomas Bogendoerfer 1239e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1240e2defae5SThomas Bogendoerfer bool 1241e2defae5SThomas Bogendoerfer 12420e2794b0SRalf Baechleconfig FW_ARC32 12435e83d430SRalf Baechle bool 12445e83d430SRalf Baechle 1245aaa9fad3SPaul Bolleconfig FW_SNIPROM 1246231a35d3SThomas Bogendoerfer bool 1247231a35d3SThomas Bogendoerfer 12481da177e4SLinus Torvaldsconfig BOOT_ELF32 12491da177e4SLinus Torvalds bool 12501da177e4SLinus Torvalds 1251930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1252930beb5aSFlorian Fainelli bool 1253930beb5aSFlorian Fainelli 1254930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1255930beb5aSFlorian Fainelli bool 1256930beb5aSFlorian Fainelli 1257930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1258930beb5aSFlorian Fainelli bool 1259930beb5aSFlorian Fainelli 1260930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1261930beb5aSFlorian Fainelli bool 1262930beb5aSFlorian Fainelli 12631da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12641da177e4SLinus Torvalds int 1265a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12665432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 12675432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 12685432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 12691da177e4SLinus Torvalds default "5" 12701da177e4SLinus Torvalds 12711da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 12721da177e4SLinus Torvalds bool 12731da177e4SLinus Torvalds 12741da177e4SLinus Torvaldsconfig ARC_CONSOLE 12751da177e4SLinus Torvalds bool "ARC console support" 1276e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12771da177e4SLinus Torvalds 12781da177e4SLinus Torvaldsconfig ARC_MEMORY 12791da177e4SLinus Torvalds bool 128014b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 12811da177e4SLinus Torvalds default y 12821da177e4SLinus Torvalds 12831da177e4SLinus Torvaldsconfig ARC_PROMLIB 12841da177e4SLinus Torvalds bool 1285e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 12861da177e4SLinus Torvalds default y 12871da177e4SLinus Torvalds 12880e2794b0SRalf Baechleconfig FW_ARC64 12891da177e4SLinus Torvalds bool 12901da177e4SLinus Torvalds 12911da177e4SLinus Torvaldsconfig BOOT_ELF64 12921da177e4SLinus Torvalds bool 12931da177e4SLinus Torvalds 12941da177e4SLinus Torvaldsmenu "CPU selection" 12951da177e4SLinus Torvalds 12961da177e4SLinus Torvaldschoice 12971da177e4SLinus Torvalds prompt "CPU type" 12981da177e4SLinus Torvalds default CPU_R4X00 12991da177e4SLinus Torvalds 13000e476d91SHuacai Chenconfig CPU_LOONGSON3 13010e476d91SHuacai Chen bool "Loongson 3 CPU" 13020e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 13030e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13040e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13050e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13060e476d91SHuacai Chen select WEAK_ORDERING 13070e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1308cbfb3ea7SHuacai Chen select ARCH_REQUIRE_GPIOLIB 13090e476d91SHuacai Chen help 13100e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13110e476d91SHuacai Chen set with many extensions. 13120e476d91SHuacai Chen 13133702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13143702bba5SWu Zhangjin bool "Loongson 2E" 13153702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 13163702bba5SWu Zhangjin select CPU_LOONGSON2 13172a21c730SFuxin Zhang help 13182a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13192a21c730SFuxin Zhang with many extensions. 13202a21c730SFuxin Zhang 132125985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13226f7a251aSWu Zhangjin bonito64. 13236f7a251aSWu Zhangjin 13246f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13256f7a251aSWu Zhangjin bool "Loongson 2F" 13266f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 13276f7a251aSWu Zhangjin select CPU_LOONGSON2 1328c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 13296f7a251aSWu Zhangjin help 13306f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13316f7a251aSWu Zhangjin with many extensions. 13326f7a251aSWu Zhangjin 13336f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13346f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13356f7a251aSWu Zhangjin Loongson2E. 13366f7a251aSWu Zhangjin 1337ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1338ca585cf9SKelvin Cheung bool "Loongson 1B" 1339ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1340ca585cf9SKelvin Cheung select CPU_LOONGSON1 1341ca585cf9SKelvin Cheung help 1342ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1343ca585cf9SKelvin Cheung release 2 instruction set. 1344ca585cf9SKelvin Cheung 13456e760c8dSRalf Baechleconfig CPU_MIPS32_R1 13466e760c8dSRalf Baechle bool "MIPS32 Release 1" 13477cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 13486e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1349797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1350ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13516e760c8dSRalf Baechle help 13525e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 13531e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13541e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13551e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13561e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13571e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 13581e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 13591e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 13601e5f1caaSRalf Baechle performance. 13611e5f1caaSRalf Baechle 13621e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 13631e5f1caaSRalf Baechle bool "MIPS32 Release 2" 13647cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 13651e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1366797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1367ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1368a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13692235a54dSSanjay Lal select HAVE_KVM 13701e5f1caaSRalf Baechle help 13715e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 13726e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13736e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13746e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13756e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13761da177e4SLinus Torvalds 13777fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1378674d10e2SMarkos Chandras bool "MIPS32 Release 6" 13797fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 13807fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 13817fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 13827fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 13837fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 13844e0748f5SMarkos Chandras select GENERIC_CSUM 13857fd08ca5SLeonid Yegoshin select HAVE_KVM 13867fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 13877fd08ca5SLeonid Yegoshin help 13887fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 13897fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 13907fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 13917fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 13927fd08ca5SLeonid Yegoshin 13936e760c8dSRalf Baechleconfig CPU_MIPS64_R1 13946e760c8dSRalf Baechle bool "MIPS64 Release 1" 13957cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1396797798c1SRalf Baechle select CPU_HAS_PREFETCH 1397ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1398ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1399ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14009cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14016e760c8dSRalf Baechle help 14026e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14036e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14046e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14056e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14066e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14071e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14081e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14091e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14101e5f1caaSRalf Baechle performance. 14111e5f1caaSRalf Baechle 14121e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 14131e5f1caaSRalf Baechle bool "MIPS64 Release 2" 14147cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1415797798c1SRalf Baechle select CPU_HAS_PREFETCH 14161e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14171e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1418ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14199cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1420a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14211e5f1caaSRalf Baechle help 14221e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 14231e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14241e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14251e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14261e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14271da177e4SLinus Torvalds 14287fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1429674d10e2SMarkos Chandras bool "MIPS64 Release 6" 14307fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 14317fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14327fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14337fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 14347fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14357fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14364e0748f5SMarkos Chandras select GENERIC_CSUM 14374e9d324dSPaul Burton select MIPS_O32_FP64_SUPPORT if MIPS32_O32 14387fd08ca5SLeonid Yegoshin help 14397fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14407fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 14417fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 14427fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 14437fd08ca5SLeonid Yegoshin 14441da177e4SLinus Torvaldsconfig CPU_R3000 14451da177e4SLinus Torvalds bool "R3000" 14467cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1447f7062ddbSRalf Baechle select CPU_HAS_WB 1448ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1449797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14501da177e4SLinus Torvalds help 14511da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 14521da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 14531da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 14541da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 14551da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 14561da177e4SLinus Torvalds try to recompile with R3000. 14571da177e4SLinus Torvalds 14581da177e4SLinus Torvaldsconfig CPU_TX39XX 14591da177e4SLinus Torvalds bool "R39XX" 14607cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1461ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 14621da177e4SLinus Torvalds 14631da177e4SLinus Torvaldsconfig CPU_VR41XX 14641da177e4SLinus Torvalds bool "R41xx" 14657cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1466ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1467ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14681da177e4SLinus Torvalds help 14695e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 14701da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 14711da177e4SLinus Torvalds kernel built with this option will not run on any other type of 14721da177e4SLinus Torvalds processor or vice versa. 14731da177e4SLinus Torvalds 14741da177e4SLinus Torvaldsconfig CPU_R4300 14751da177e4SLinus Torvalds bool "R4300" 14767cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1477ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1478ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14791da177e4SLinus Torvalds help 14801da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 14811da177e4SLinus Torvalds 14821da177e4SLinus Torvaldsconfig CPU_R4X00 14831da177e4SLinus Torvalds bool "R4x00" 14847cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1485ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1486ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1487970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14881da177e4SLinus Torvalds help 14891da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 14901da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 14911da177e4SLinus Torvalds 14921da177e4SLinus Torvaldsconfig CPU_TX49XX 14931da177e4SLinus Torvalds bool "R49XX" 14947cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1495de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1496ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1497ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1498970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14991da177e4SLinus Torvalds 15001da177e4SLinus Torvaldsconfig CPU_R5000 15011da177e4SLinus Torvalds bool "R5000" 15027cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1503ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1504ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1505970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15061da177e4SLinus Torvalds help 15071da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 15081da177e4SLinus Torvalds 15091da177e4SLinus Torvaldsconfig CPU_R5432 15101da177e4SLinus Torvalds bool "R5432" 15117cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 15125e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15135e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1514970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15151da177e4SLinus Torvalds 1516542c1020SShinya Kuribayashiconfig CPU_R5500 1517542c1020SShinya Kuribayashi bool "R5500" 1518542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1519542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1520542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 15219cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1522542c1020SShinya Kuribayashi help 1523542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1524542c1020SShinya Kuribayashi instruction set. 1525542c1020SShinya Kuribayashi 15261da177e4SLinus Torvaldsconfig CPU_R6000 15271da177e4SLinus Torvalds bool "R6000" 15287cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1529ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15301da177e4SLinus Torvalds help 15311da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1532c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 15331da177e4SLinus Torvalds 15341da177e4SLinus Torvaldsconfig CPU_NEVADA 15351da177e4SLinus Torvalds bool "RM52xx" 15367cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1537ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1538ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1539970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15401da177e4SLinus Torvalds help 15411da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 15421da177e4SLinus Torvalds 15431da177e4SLinus Torvaldsconfig CPU_R8000 15441da177e4SLinus Torvalds bool "R8000" 15457cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 15465e83d430SRalf Baechle select CPU_HAS_PREFETCH 1547ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15481da177e4SLinus Torvalds help 15491da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 15501da177e4SLinus Torvalds uncommon and the support for them is incomplete. 15511da177e4SLinus Torvalds 15521da177e4SLinus Torvaldsconfig CPU_R10000 15531da177e4SLinus Torvalds bool "R10000" 15547cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 15555e83d430SRalf Baechle select CPU_HAS_PREFETCH 1556ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1557ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1558797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1559970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15601da177e4SLinus Torvalds help 15611da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 15621da177e4SLinus Torvalds 15631da177e4SLinus Torvaldsconfig CPU_RM7000 15641da177e4SLinus Torvalds bool "RM7000" 15657cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 15665e83d430SRalf Baechle select CPU_HAS_PREFETCH 1567ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1568ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1569797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1570970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15711da177e4SLinus Torvalds 15721da177e4SLinus Torvaldsconfig CPU_SB1 15731da177e4SLinus Torvalds bool "SB1" 15747cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1575ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1576ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1577797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1578970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15790004a9dfSRalf Baechle select WEAK_ORDERING 15801da177e4SLinus Torvalds 1581a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1582a86c7f72SDavid Daney bool "Cavium Octeon processor" 15835e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1584a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1585a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1586a86c7f72SDavid Daney select WEAK_ORDERING 1587a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 15889cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1589df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1590df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1591930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1592a86c7f72SDavid Daney help 1593a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1594a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1595a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1596a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1597a86c7f72SDavid Daney 1598cd746249SJonas Gorskiconfig CPU_BMIPS 1599cd746249SJonas Gorski bool "Broadcom BMIPS" 1600cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1601cd746249SJonas Gorski select CPU_MIPS32 1602fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1603cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1604cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1605cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1606cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1607cd746249SJonas Gorski select DMA_NONCOHERENT 160867e38cf2SRalf Baechle select IRQ_MIPS_CPU 1609cd746249SJonas Gorski select SWAP_IO_SPACE 1610cd746249SJonas Gorski select WEAK_ORDERING 1611c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 161269aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1613c1c0c461SKevin Cernekee help 1614fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1615c1c0c461SKevin Cernekee 16167f058e85SJayachandran Cconfig CPU_XLR 16177f058e85SJayachandran C bool "Netlogic XLR SoC" 16187f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 16197f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16207f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16217f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1622970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16237f058e85SJayachandran C select WEAK_ORDERING 16247f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16257f058e85SJayachandran C help 16267f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 16271c773ea4SJayachandran C 16281c773ea4SJayachandran Cconfig CPU_XLP 16291c773ea4SJayachandran C bool "Netlogic XLP SoC" 16301c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 16311c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16321c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16331c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 16341c773ea4SJayachandran C select WEAK_ORDERING 16351c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16361c773ea4SJayachandran C select CPU_HAS_PREFETCH 1637d6504846SJayachandran C select CPU_MIPSR2 1638ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 16391c773ea4SJayachandran C help 16401c773ea4SJayachandran C Netlogic Microsystems XLP processors. 16411da177e4SLinus Torvaldsendchoice 16421da177e4SLinus Torvalds 1643a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1644a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1645a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 16467fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1647a6e18781SLeonid Yegoshin help 1648a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1649a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1650a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1651a6e18781SLeonid Yegoshin 1652a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1653a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1654a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1655a6e18781SLeonid Yegoshin select EVA 1656a6e18781SLeonid Yegoshin default y 1657a6e18781SLeonid Yegoshin help 1658a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1659a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1660a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1661a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1662a6e18781SLeonid Yegoshin 1663c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1664c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1665c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1666c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1667c5b36783SSteven J. Hill help 1668c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1669c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1670c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1671c5b36783SSteven J. Hill 1672c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1673c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1674c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1675c5b36783SSteven J. Hill depends on !EVA 1676c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1677c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1678c5b36783SSteven J. Hill select XPA 1679c5b36783SSteven J. Hill select HIGHMEM 1680c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1681c5b36783SSteven J. Hill default n 1682c5b36783SSteven J. Hill help 1683c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1684c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1685c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1686c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1687c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1688c5b36783SSteven J. Hill If unsure, say 'N' here. 1689c5b36783SSteven J. Hill 1690622844bfSWu Zhangjinif CPU_LOONGSON2F 1691622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1692622844bfSWu Zhangjin bool 1693622844bfSWu Zhangjin 1694622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1695622844bfSWu Zhangjin bool 1696622844bfSWu Zhangjin 1697622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1698622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1699622844bfSWu Zhangjin default y 1700622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1701622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1702622844bfSWu Zhangjin help 1703622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1704622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1705622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1706622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1707622844bfSWu Zhangjin 1708622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1709622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1710622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1711622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1712622844bfSWu Zhangjin systems. 1713622844bfSWu Zhangjin 1714622844bfSWu Zhangjin If unsure, please say Y. 1715622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1716622844bfSWu Zhangjin 17171b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 17181b93b3c3SWu Zhangjin bool 17191b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 17201b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 172131c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 17221b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1723fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 17244e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 17251b93b3c3SWu Zhangjin 17261b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 17271b93b3c3SWu Zhangjin bool 17281b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 17291b93b3c3SWu Zhangjin 17303702bba5SWu Zhangjinconfig CPU_LOONGSON2 17313702bba5SWu Zhangjin bool 17323702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 17333702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 17343702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1735970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17363702bba5SWu Zhangjin 1737ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1738ca585cf9SKelvin Cheung bool 1739ca585cf9SKelvin Cheung select CPU_MIPS32 1740ca585cf9SKelvin Cheung select CPU_MIPSR2 1741ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1742ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1743ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1744f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1745ca585cf9SKelvin Cheung 1746fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 174704fa8bf7SJonas Gorski select SMP_UP if SMP 17481bbb6c1bSKevin Cernekee bool 1749cd746249SJonas Gorski 1750cd746249SJonas Gorskiconfig CPU_BMIPS4350 1751cd746249SJonas Gorski bool 1752cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1753cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1754cd746249SJonas Gorski 1755cd746249SJonas Gorskiconfig CPU_BMIPS4380 1756cd746249SJonas Gorski bool 1757bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1758cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1759cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1760cd746249SJonas Gorski 1761cd746249SJonas Gorskiconfig CPU_BMIPS5000 1762cd746249SJonas Gorski bool 1763cd746249SJonas Gorski select MIPS_CPU_SCACHE 1764bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1765cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1766cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 17671bbb6c1bSKevin Cernekee 17680e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 17690e476d91SHuacai Chen bool 17700e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 17710e476d91SHuacai Chen 17723702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 17732a21c730SFuxin Zhang bool 17742a21c730SFuxin Zhang 17756f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 17766f7a251aSWu Zhangjin bool 177755045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 177855045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 177922f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 17806f7a251aSWu Zhangjin 1781ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1782ca585cf9SKelvin Cheung bool 1783ca585cf9SKelvin Cheung 17847cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 17857cf8053bSRalf Baechle bool 17867cf8053bSRalf Baechle 17877cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 17887cf8053bSRalf Baechle bool 17897cf8053bSRalf Baechle 1790a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1791a6e18781SLeonid Yegoshin bool 1792a6e18781SLeonid Yegoshin 1793c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1794c5b36783SSteven J. Hill bool 1795c5b36783SSteven J. Hill 17967fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 17977fd08ca5SLeonid Yegoshin bool 17987fd08ca5SLeonid Yegoshin 17997cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 18007cf8053bSRalf Baechle bool 18017cf8053bSRalf Baechle 18027cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 18037cf8053bSRalf Baechle bool 18047cf8053bSRalf Baechle 18057fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 18067fd08ca5SLeonid Yegoshin bool 18077fd08ca5SLeonid Yegoshin 18087cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 18097cf8053bSRalf Baechle bool 18107cf8053bSRalf Baechle 18117cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 18127cf8053bSRalf Baechle bool 18137cf8053bSRalf Baechle 18147cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 18157cf8053bSRalf Baechle bool 18167cf8053bSRalf Baechle 18177cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 18187cf8053bSRalf Baechle bool 18197cf8053bSRalf Baechle 18207cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 18217cf8053bSRalf Baechle bool 18227cf8053bSRalf Baechle 18237cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 18247cf8053bSRalf Baechle bool 18257cf8053bSRalf Baechle 18267cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 18277cf8053bSRalf Baechle bool 18287cf8053bSRalf Baechle 18297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 18307cf8053bSRalf Baechle bool 18317cf8053bSRalf Baechle 1832542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1833542c1020SShinya Kuribayashi bool 1834542c1020SShinya Kuribayashi 18357cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 18367cf8053bSRalf Baechle bool 18377cf8053bSRalf Baechle 18387cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 18397cf8053bSRalf Baechle bool 18407cf8053bSRalf Baechle 18417cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 18427cf8053bSRalf Baechle bool 18437cf8053bSRalf Baechle 18447cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 18457cf8053bSRalf Baechle bool 18467cf8053bSRalf Baechle 18477cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 18487cf8053bSRalf Baechle bool 18497cf8053bSRalf Baechle 18507cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 18517cf8053bSRalf Baechle bool 18527cf8053bSRalf Baechle 18535e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 18545e683389SDavid Daney bool 18555e683389SDavid Daney 1856cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1857c1c0c461SKevin Cernekee bool 1858c1c0c461SKevin Cernekee 1859fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1860c1c0c461SKevin Cernekee bool 1861cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1862c1c0c461SKevin Cernekee 1863c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1864c1c0c461SKevin Cernekee bool 1865cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1866c1c0c461SKevin Cernekee 1867c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1868c1c0c461SKevin Cernekee bool 1869cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1870c1c0c461SKevin Cernekee 1871c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1872c1c0c461SKevin Cernekee bool 1873cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1874c1c0c461SKevin Cernekee 18757f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 18767f058e85SJayachandran C bool 18777f058e85SJayachandran C 18781c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 18791c773ea4SJayachandran C bool 18801c773ea4SJayachandran C 1881b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1882b6911bbaSPaul Burton depends on MIPS_MALTA 1883b6911bbaSPaul Burton depends on PCI 1884b6911bbaSPaul Burton bool 1885b6911bbaSPaul Burton default y 1886b6911bbaSPaul Burton 188717099b11SRalf Baechle# 188817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 188917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 189017099b11SRalf Baechle# 18910004a9dfSRalf Baechleconfig WEAK_ORDERING 18920004a9dfSRalf Baechle bool 189317099b11SRalf Baechle 189417099b11SRalf Baechle# 189517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 189617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 189717099b11SRalf Baechle# 189817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 189917099b11SRalf Baechle bool 19005e83d430SRalf Baechleendmenu 19015e83d430SRalf Baechle 19025e83d430SRalf Baechle# 19035e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19045e83d430SRalf Baechle# 19055e83d430SRalf Baechleconfig CPU_MIPS32 19065e83d430SRalf Baechle bool 19077fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 19085e83d430SRalf Baechle 19095e83d430SRalf Baechleconfig CPU_MIPS64 19105e83d430SRalf Baechle bool 19117fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 19125e83d430SRalf Baechle 19135e83d430SRalf Baechle# 1914c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 19155e83d430SRalf Baechle# 19165e83d430SRalf Baechleconfig CPU_MIPSR1 19175e83d430SRalf Baechle bool 19185e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 19195e83d430SRalf Baechle 19205e83d430SRalf Baechleconfig CPU_MIPSR2 19215e83d430SRalf Baechle bool 1922a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1923a7e07b1aSMarkos Chandras select MIPS_SPRAM 19245e83d430SRalf Baechle 19257fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 19267fd08ca5SLeonid Yegoshin bool 19277fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 1928a7e07b1aSMarkos Chandras select MIPS_SPRAM 19295e83d430SRalf Baechle 1930a6e18781SLeonid Yegoshinconfig EVA 1931a6e18781SLeonid Yegoshin bool 1932a6e18781SLeonid Yegoshin 1933c5b36783SSteven J. Hillconfig XPA 1934c5b36783SSteven J. Hill bool 1935c5b36783SSteven J. Hill 19365e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 19375e83d430SRalf Baechle bool 19385e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 19395e83d430SRalf Baechle bool 19405e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 19415e83d430SRalf Baechle bool 19425e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 19435e83d430SRalf Baechle bool 194455045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 194555045ff5SWu Zhangjin bool 194655045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 194755045ff5SWu Zhangjin bool 19489cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 19499cffd154SDavid Daney bool 195022f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 195122f1fdfdSWu Zhangjin bool 195282622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 195382622284SDavid Daney bool 1954d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 19555e83d430SRalf Baechle 19568192c9eaSDavid Daney# 19578192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 19588192c9eaSDavid Daney# 19598192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 19608192c9eaSDavid Daney bool 1961f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 19628192c9eaSDavid Daney 19635e83d430SRalf Baechlemenu "Kernel type" 19645e83d430SRalf Baechle 19655e83d430SRalf Baechlechoice 19665e83d430SRalf Baechle prompt "Kernel code model" 19675e83d430SRalf Baechle help 19685e83d430SRalf Baechle You should only select this option if you have a workload that 19695e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 19705e83d430SRalf Baechle large memory. You will only be presented a single option in this 19715e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 19725e83d430SRalf Baechle 19735e83d430SRalf Baechleconfig 32BIT 19745e83d430SRalf Baechle bool "32-bit kernel" 19755e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 19765e83d430SRalf Baechle select TRAD_SIGNALS 19775e83d430SRalf Baechle help 19785e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 1979f17c4ca3SRalf Baechle 19805e83d430SRalf Baechleconfig 64BIT 19815e83d430SRalf Baechle bool "64-bit kernel" 19825e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 19835e83d430SRalf Baechle help 19845e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 19855e83d430SRalf Baechle 19865e83d430SRalf Baechleendchoice 19875e83d430SRalf Baechle 19882235a54dSSanjay Lalconfig KVM_GUEST 19892235a54dSSanjay Lal bool "KVM Guest Kernel" 1990f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 19912235a54dSSanjay Lal help 19922235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 19932235a54dSSanjay Lal 1994eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1995eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 19962235a54dSSanjay Lal depends on KVM_GUEST 1997eda3d33cSJames Hogan default 100 19982235a54dSSanjay Lal help 1999eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2000eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2001eda3d33cSJames Hogan timer frequency is specified directly. 20022235a54dSSanjay Lal 20031da177e4SLinus Torvaldschoice 20041da177e4SLinus Torvalds prompt "Kernel page size" 20051da177e4SLinus Torvalds default PAGE_SIZE_4KB 20061da177e4SLinus Torvalds 20071da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 20081da177e4SLinus Torvalds bool "4kB" 20090e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 20101da177e4SLinus Torvalds help 20111da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 20121da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 20131da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 20141da177e4SLinus Torvalds recommended for low memory systems. 20151da177e4SLinus Torvalds 20161da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 20171da177e4SLinus Torvalds bool "8kB" 20187d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 20191da177e4SLinus Torvalds help 20201da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 20211da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2022c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2023c52399beSRalf Baechle suitable Linux distribution to support this. 20241da177e4SLinus Torvalds 20251da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 20261da177e4SLinus Torvalds bool "16kB" 2027714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 20281da177e4SLinus Torvalds help 20291da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 20301da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2031714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2032714bfad6SRalf Baechle Linux distribution to support this. 20331da177e4SLinus Torvalds 2034c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2035c52399beSRalf Baechle bool "32kB" 2036c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 2037c52399beSRalf Baechle help 2038c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2039c52399beSRalf Baechle the price of higher memory consumption. This option is available 2040c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2041c52399beSRalf Baechle distribution to support this. 2042c52399beSRalf Baechle 20431da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 20441da177e4SLinus Torvalds bool "64kB" 20457d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 20461da177e4SLinus Torvalds help 20471da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 20481da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 20491da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2050714bfad6SRalf Baechle writing this option is still high experimental. 20511da177e4SLinus Torvalds 20521da177e4SLinus Torvaldsendchoice 20531da177e4SLinus Torvalds 2054c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2055c9bace7cSDavid Daney int "Maximum zone order" 2056e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2057e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2058e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2059e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2060e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2061e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2062c9bace7cSDavid Daney range 11 64 2063c9bace7cSDavid Daney default "11" 2064c9bace7cSDavid Daney help 2065c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2066c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2067c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2068c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2069c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2070c9bace7cSDavid Daney increase this value. 2071c9bace7cSDavid Daney 2072c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2073c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2074c9bace7cSDavid Daney 2075c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2076c9bace7cSDavid Daney when choosing a value for this option. 2077c9bace7cSDavid Daney 20781da177e4SLinus Torvaldsconfig BOARD_SCACHE 20791da177e4SLinus Torvalds bool 20801da177e4SLinus Torvalds 20811da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 20821da177e4SLinus Torvalds bool 20831da177e4SLinus Torvalds select BOARD_SCACHE 20841da177e4SLinus Torvalds 20859318c51aSChris Dearman# 20869318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 20879318c51aSChris Dearman# 20889318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 20899318c51aSChris Dearman bool 20909318c51aSChris Dearman select BOARD_SCACHE 20919318c51aSChris Dearman 20921da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 20931da177e4SLinus Torvalds bool 20941da177e4SLinus Torvalds select BOARD_SCACHE 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 20971da177e4SLinus Torvalds bool 20981da177e4SLinus Torvalds select BOARD_SCACHE 20991da177e4SLinus Torvalds 21001da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 21011da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 21021da177e4SLinus Torvalds depends on CPU_SB1 21031da177e4SLinus Torvalds help 21041da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 21051da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 21061da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 21071da177e4SLinus Torvalds 21081da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2109c8094b53SRalf Baechle bool 21101da177e4SLinus Torvalds 21113165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 21123165c846SFlorian Fainelli bool 21133165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 21143165c846SFlorian Fainelli 211591405eb6SFlorian Fainelliconfig CPU_R4K_FPU 211691405eb6SFlorian Fainelli bool 211791405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 211891405eb6SFlorian Fainelli 211962cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 212062cedc4fSFlorian Fainelli bool 212162cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 212262cedc4fSFlorian Fainelli 212359d6ab86SRalf Baechleconfig MIPS_MT_SMP 2124a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 21255676319cSMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 212659d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2127d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2128c080faa5SSteven J. Hill select SYNC_R4K 21290c2cb004SPaul Burton select MIPS_GIC_IPI 213059d6ab86SRalf Baechle select MIPS_MT 213159d6ab86SRalf Baechle select SMP 213287353d8aSRalf Baechle select SMP_UP 2133c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2134c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2135399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 213659d6ab86SRalf Baechle help 2137c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2138c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2139c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2140c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2141c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 214259d6ab86SRalf Baechle 2143f41ae0b2SRalf Baechleconfig MIPS_MT 2144f41ae0b2SRalf Baechle bool 2145f41ae0b2SRalf Baechle 21460ab7aefcSRalf Baechleconfig SCHED_SMT 21470ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 21480ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 21490ab7aefcSRalf Baechle default n 21500ab7aefcSRalf Baechle help 21510ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 21520ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 21530ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 21540ab7aefcSRalf Baechle 21550ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 21560ab7aefcSRalf Baechle bool 21570ab7aefcSRalf Baechle 2158f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2159f41ae0b2SRalf Baechle bool 2160f41ae0b2SRalf Baechle 2161f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2162f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2163f088fc84SRalf Baechle default y 2164b633648cSRalf Baechle depends on MIPS_MT_SMP 216507cc0c9eSRalf Baechle 2166b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2167b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 2168b0a668fbSLeonid Yegoshin depends on CPU_MIPSR6 && !SMP 2169b0a668fbSLeonid Yegoshin default y 2170b0a668fbSLeonid Yegoshin help 2171b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2172b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 217307edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2174b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2175b0a668fbSLeonid Yegoshin final kernel image. 2176b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels" 2177b0a668fbSLeonid Yegoshin depends on SMP && CPU_MIPSR6 2178b0a668fbSLeonid Yegoshin 217907cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 218007cc0c9eSRalf Baechle bool "VPE loader support." 2181704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 218207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 218307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 218407cc0c9eSRalf Baechle select MIPS_MT 218507cc0c9eSRalf Baechle help 218607cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 218707cc0c9eSRalf Baechle onto another VPE and running it. 2188f088fc84SRalf Baechle 218917a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 219017a1d523SDeng-Cheng Zhu bool 219117a1d523SDeng-Cheng Zhu default "y" 219217a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 219317a1d523SDeng-Cheng Zhu 21941a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 21951a2a6d7eSDeng-Cheng Zhu bool 21961a2a6d7eSDeng-Cheng Zhu default "y" 21971a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 21981a2a6d7eSDeng-Cheng Zhu 2199e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2200e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2201e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2202e01402b1SRalf Baechle default y 2203e01402b1SRalf Baechle help 2204e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2205e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2206e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2207e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2208e01402b1SRalf Baechle 2209e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2210e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2211e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 22125e83d430SRalf Baechle help 2213e01402b1SRalf Baechle 2214da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2215da615cf6SDeng-Cheng Zhu bool 2216da615cf6SDeng-Cheng Zhu default "y" 2217da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2218da615cf6SDeng-Cheng Zhu 22192c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 22202c973ef0SDeng-Cheng Zhu bool 22212c973ef0SDeng-Cheng Zhu default "y" 22222c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 22232c973ef0SDeng-Cheng Zhu 22244a16ff4cSRalf Baechleconfig MIPS_CMP 22255cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 22265676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 222772e20142SPaul Burton select MIPS_GIC_IPI 2228b10b43baSMarkos Chandras select SMP 2229eb9b5141STim Anderson select SYNC_R4K 2230b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 22314a16ff4cSRalf Baechle select WEAK_ORDERING 22324a16ff4cSRalf Baechle default n 22334a16ff4cSRalf Baechle help 2234044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2235044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2236044505c7SPaul Burton its ability to start secondary CPUs. 22374a16ff4cSRalf Baechle 22385cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 22395cac93b3SPaul Burton instead of this. 22405cac93b3SPaul Burton 22410ee958e1SPaul Burtonconfig MIPS_CPS 22420ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 22435676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6 22440ee958e1SPaul Burton select MIPS_CM 22450ee958e1SPaul Burton select MIPS_CPC 22461d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 22470ee958e1SPaul Burton select MIPS_GIC_IPI 22480ee958e1SPaul Burton select SMP 22490ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 22501d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 22510ee958e1SPaul Burton select SYS_SUPPORTS_SMP 22520ee958e1SPaul Burton select WEAK_ORDERING 22530ee958e1SPaul Burton help 22540ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 22550ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 22560ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 22570ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 22580ee958e1SPaul Burton support is unavailable. 22590ee958e1SPaul Burton 22603179d37eSPaul Burtonconfig MIPS_CPS_PM 226139a59593SMarkos Chandras depends on MIPS_CPS 2262a8b84677SPaul Burton select MIPS_CPC 22633179d37eSPaul Burton bool 22643179d37eSPaul Burton 226572e20142SPaul Burtonconfig MIPS_GIC_IPI 226672e20142SPaul Burton bool 226772e20142SPaul Burton 22689f98f3ddSPaul Burtonconfig MIPS_CM 22699f98f3ddSPaul Burton bool 22709f98f3ddSPaul Burton 22719c38cf44SPaul Burtonconfig MIPS_CPC 22729c38cf44SPaul Burton bool 22732600990eSRalf Baechle 22741da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 22751da177e4SLinus Torvalds bool 22761da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 22771da177e4SLinus Torvalds default y 22781da177e4SLinus Torvalds 22791da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 22801da177e4SLinus Torvalds bool 22811da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 22821da177e4SLinus Torvalds default y 22831da177e4SLinus Torvalds 22842235a54dSSanjay Lal 228560ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 228634adb28dSRalf Baechle bool 228760ec6571Spascal@pabr.org 22889e2b5372SMarkos Chandraschoice 22899e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 22909e2b5372SMarkos Chandras 22919e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 22929e2b5372SMarkos Chandras bool "None" 22939e2b5372SMarkos Chandras help 22949e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 22959e2b5372SMarkos Chandras 22969693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 22979693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 22989e2b5372SMarkos Chandras bool "SmartMIPS" 22999693a853SFranck Bui-Huu help 23009693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 23019693a853SFranck Bui-Huu increased security at both hardware and software level for 23029693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 23039693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 23049693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 23059693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 23069693a853SFranck Bui-Huu here. 23079693a853SFranck Bui-Huu 2308bce86083SSteven J. Hillconfig CPU_MICROMIPS 23097fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 23109e2b5372SMarkos Chandras bool "microMIPS" 2311bce86083SSteven J. Hill help 2312bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2313bce86083SSteven J. Hill microMIPS ISA 2314bce86083SSteven J. Hill 23159e2b5372SMarkos Chandrasendchoice 23169e2b5372SMarkos Chandras 2317a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 23180ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2319a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 23202a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2321a5e9a69eSPaul Burton help 2322a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2323a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 23241db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 23251db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 23261db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 23271db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 23281db1af84SPaul Burton the size & complexity of your kernel. 2329a5e9a69eSPaul Burton 2330a5e9a69eSPaul Burton If unsure, say Y. 2331a5e9a69eSPaul Burton 23321da177e4SLinus Torvaldsconfig CPU_HAS_WB 2333f7062ddbSRalf Baechle bool 2334e01402b1SRalf Baechle 2335df0ac8a4SKevin Cernekeeconfig XKS01 2336df0ac8a4SKevin Cernekee bool 2337df0ac8a4SKevin Cernekee 2338f41ae0b2SRalf Baechle# 2339f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2340f41ae0b2SRalf Baechle# 2341e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2342f41ae0b2SRalf Baechle bool 2343e01402b1SRalf Baechle 2344f41ae0b2SRalf Baechle# 2345f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2346f41ae0b2SRalf Baechle# 2347e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2348f41ae0b2SRalf Baechle bool 2349e01402b1SRalf Baechle 23501da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 23511da177e4SLinus Torvalds bool 23521da177e4SLinus Torvalds depends on !CPU_R3000 23531da177e4SLinus Torvalds default y 23541da177e4SLinus Torvalds 23551da177e4SLinus Torvalds# 235620d60d99SMaciej W. Rozycki# CPU non-features 235720d60d99SMaciej W. Rozycki# 235820d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 235920d60d99SMaciej W. Rozycki bool 236020d60d99SMaciej W. Rozycki 236120d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 236220d60d99SMaciej W. Rozycki bool 236320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 236420d60d99SMaciej W. Rozycki 236520d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 236620d60d99SMaciej W. Rozycki bool 236720d60d99SMaciej W. Rozycki 236820d60d99SMaciej W. Rozycki# 23691da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 23701da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 23711da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 23721da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 23731da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 23741da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 23751da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 23761da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2377797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2378797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2379797798c1SRalf Baechle# support. 23801da177e4SLinus Torvalds# 23811da177e4SLinus Torvaldsconfig HIGHMEM 23821da177e4SLinus Torvalds bool "High Memory Support" 2383a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2384797798c1SRalf Baechle 2385797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2386797798c1SRalf Baechle bool 2387797798c1SRalf Baechle 2388797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2389797798c1SRalf Baechle bool 23901da177e4SLinus Torvalds 23919693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 23929693a853SFranck Bui-Huu bool 23939693a853SFranck Bui-Huu 2394a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2395a6a4834cSSteven J. Hill bool 2396a6a4834cSSteven J. Hill 2397377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2398377cb1b6SRalf Baechle bool 2399377cb1b6SRalf Baechle help 2400377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2401377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2402377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2403377cb1b6SRalf Baechle 2404a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2405a5e9a69eSPaul Burton bool 2406a5e9a69eSPaul Burton 2407b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2408b4819b59SYoichi Yuasa def_bool y 2409f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2410b4819b59SYoichi Yuasa 2411d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2412d8cb4e11SRalf Baechle bool 2413d8cb4e11SRalf Baechle default y if SGI_IP27 2414d8cb4e11SRalf Baechle help 24153dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2416d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2417d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2418d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2419d8cb4e11SRalf Baechle 2420b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2421b1c6cd42SAtsushi Nemoto bool 24227de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 242331473747SAtsushi Nemoto 2424d8cb4e11SRalf Baechleconfig NUMA 2425d8cb4e11SRalf Baechle bool "NUMA Support" 2426d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2427d8cb4e11SRalf Baechle help 2428d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2429d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2430d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2431d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2432d8cb4e11SRalf Baechle disabled. 2433d8cb4e11SRalf Baechle 2434d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2435d8cb4e11SRalf Baechle bool 2436d8cb4e11SRalf Baechle 2437c80d79d7SYasunori Gotoconfig NODES_SHIFT 2438c80d79d7SYasunori Goto int 2439c80d79d7SYasunori Goto default "6" 2440c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2441c80d79d7SYasunori Goto 244214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 244314f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2444f14ceff7SHuacai Chen depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 244514f70012SDeng-Cheng Zhu default y 244614f70012SDeng-Cheng Zhu help 244714f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 244814f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 244914f70012SDeng-Cheng Zhu 2450b4819b59SYoichi Yuasasource "mm/Kconfig" 2451b4819b59SYoichi Yuasa 24521da177e4SLinus Torvaldsconfig SMP 24531da177e4SLinus Torvalds bool "Multi-Processing support" 2454e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2455e73ea273SRalf Baechle help 24561da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 24574a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 24584a474157SRobert Graffham than one CPU, say Y. 24591da177e4SLinus Torvalds 24604a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 24611da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 24621da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 24634a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 24641da177e4SLinus Torvalds will run faster if you say N here. 24651da177e4SLinus Torvalds 24661da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 24671da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 24681da177e4SLinus Torvalds 246903502faaSAdrian Bunk See also the SMP-HOWTO available at 247003502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 24711da177e4SLinus Torvalds 24721da177e4SLinus Torvalds If you don't know what to do here, say N. 24731da177e4SLinus Torvalds 247487353d8aSRalf Baechleconfig SMP_UP 247587353d8aSRalf Baechle bool 247687353d8aSRalf Baechle 24774a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 24784a16ff4cSRalf Baechle bool 24794a16ff4cSRalf Baechle 24800ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 24810ee958e1SPaul Burton bool 24820ee958e1SPaul Burton 2483e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2484e73ea273SRalf Baechle bool 2485e73ea273SRalf Baechle 2486130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2487130e2fb7SRalf Baechle bool 2488130e2fb7SRalf Baechle 2489130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2490130e2fb7SRalf Baechle bool 2491130e2fb7SRalf Baechle 2492130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2493130e2fb7SRalf Baechle bool 2494130e2fb7SRalf Baechle 2495130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2496130e2fb7SRalf Baechle bool 2497130e2fb7SRalf Baechle 2498130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2499130e2fb7SRalf Baechle bool 2500130e2fb7SRalf Baechle 25011da177e4SLinus Torvaldsconfig NR_CPUS 2502a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2503a91796a9SJayachandran C range 2 256 25041da177e4SLinus Torvalds depends on SMP 2505130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2506130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2507130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2508130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2509130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 25101da177e4SLinus Torvalds help 25111da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 25121da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 25131da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 251472ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 251572ede9b1SAtsushi Nemoto and 2 for all others. 25161da177e4SLinus Torvalds 25171da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 251872ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 251972ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 252072ede9b1SAtsushi Nemoto power of two. 25211da177e4SLinus Torvalds 2522399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2523399aaa25SAl Cooper bool 2524399aaa25SAl Cooper 25251723b4a3SAtsushi Nemoto# 25261723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 25271723b4a3SAtsushi Nemoto# 25281723b4a3SAtsushi Nemoto 25291723b4a3SAtsushi Nemotochoice 25301723b4a3SAtsushi Nemoto prompt "Timer frequency" 25311723b4a3SAtsushi Nemoto default HZ_250 25321723b4a3SAtsushi Nemoto help 25331723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 25341723b4a3SAtsushi Nemoto 25351723b4a3SAtsushi Nemoto config HZ_48 25360f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 25371723b4a3SAtsushi Nemoto 25381723b4a3SAtsushi Nemoto config HZ_100 25391723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 25401723b4a3SAtsushi Nemoto 25411723b4a3SAtsushi Nemoto config HZ_128 25421723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 25431723b4a3SAtsushi Nemoto 25441723b4a3SAtsushi Nemoto config HZ_250 25451723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 25461723b4a3SAtsushi Nemoto 25471723b4a3SAtsushi Nemoto config HZ_256 25481723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 25491723b4a3SAtsushi Nemoto 25501723b4a3SAtsushi Nemoto config HZ_1000 25511723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 25521723b4a3SAtsushi Nemoto 25531723b4a3SAtsushi Nemoto config HZ_1024 25541723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 25551723b4a3SAtsushi Nemoto 25561723b4a3SAtsushi Nemotoendchoice 25571723b4a3SAtsushi Nemoto 25581723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 25591723b4a3SAtsushi Nemoto bool 25601723b4a3SAtsushi Nemoto 25611723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 25621723b4a3SAtsushi Nemoto bool 25631723b4a3SAtsushi Nemoto 25641723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 25651723b4a3SAtsushi Nemoto bool 25661723b4a3SAtsushi Nemoto 25671723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 25681723b4a3SAtsushi Nemoto bool 25691723b4a3SAtsushi Nemoto 25701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 25711723b4a3SAtsushi Nemoto bool 25721723b4a3SAtsushi Nemoto 25731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 25741723b4a3SAtsushi Nemoto bool 25751723b4a3SAtsushi Nemoto 25761723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 25771723b4a3SAtsushi Nemoto bool 25781723b4a3SAtsushi Nemoto 25791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 25801723b4a3SAtsushi Nemoto bool 25811723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 25821723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 25831723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 25841723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 25851723b4a3SAtsushi Nemoto 25861723b4a3SAtsushi Nemotoconfig HZ 25871723b4a3SAtsushi Nemoto int 25881723b4a3SAtsushi Nemoto default 48 if HZ_48 25891723b4a3SAtsushi Nemoto default 100 if HZ_100 25901723b4a3SAtsushi Nemoto default 128 if HZ_128 25911723b4a3SAtsushi Nemoto default 250 if HZ_250 25921723b4a3SAtsushi Nemoto default 256 if HZ_256 25931723b4a3SAtsushi Nemoto default 1000 if HZ_1000 25941723b4a3SAtsushi Nemoto default 1024 if HZ_1024 25951723b4a3SAtsushi Nemoto 259696685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 259796685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 259896685b17SDeng-Cheng Zhu 2599e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 26001da177e4SLinus Torvalds 2601ea6e942bSAtsushi Nemotoconfig KEXEC 26027d60717eSKees Cook bool "Kexec system call" 2603ea6e942bSAtsushi Nemoto help 2604ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2605ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 26063dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2607ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2608ea6e942bSAtsushi Nemoto 260901dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2610ea6e942bSAtsushi Nemoto 2611ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2612ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2613bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2614bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2615bf220695SGeert Uytterhoeven made. 2616ea6e942bSAtsushi Nemoto 26177aa1c8f4SRalf Baechleconfig CRASH_DUMP 26187aa1c8f4SRalf Baechle bool "Kernel crash dumps" 26197aa1c8f4SRalf Baechle help 26207aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 26217aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 26227aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 26237aa1c8f4SRalf Baechle a specially reserved region and then later executed after 26247aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 26257aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 26267aa1c8f4SRalf Baechle PHYSICAL_START. 26277aa1c8f4SRalf Baechle 26287aa1c8f4SRalf Baechleconfig PHYSICAL_START 26297aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 26307aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 26317aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 26327aa1c8f4SRalf Baechle depends on CRASH_DUMP 26337aa1c8f4SRalf Baechle help 26347aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 26357aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 26367aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 26377aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 26387aa1c8f4SRalf Baechle passed to the panic-ed kernel). 26397aa1c8f4SRalf Baechle 2640ea6e942bSAtsushi Nemotoconfig SECCOMP 2641ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2642293c5bd1SRalf Baechle depends on PROC_FS 2643ea6e942bSAtsushi Nemoto default y 2644ea6e942bSAtsushi Nemoto help 2645ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2646ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2647ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2648ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2649ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2650ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2651ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2652ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2653ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2654ea6e942bSAtsushi Nemoto 2655ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2656ea6e942bSAtsushi Nemoto 2657597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 26580ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2659597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2660597ce172SPaul Burton help 2661597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2662597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2663597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2664597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2665597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2666597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2667597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2668597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2669597ce172SPaul Burton saying N here. 2670597ce172SPaul Burton 267106e2e882SPaul Burton Although binutils currently supports use of this flag the details 267206e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 267306e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 267406e2e882SPaul Burton behaviour before the details have been finalised, this option should 267506e2e882SPaul Burton be considered experimental and only enabled by those working upon 267606e2e882SPaul Burton said details. 267706e2e882SPaul Burton 267806e2e882SPaul Burton If unsure, say N. 2679597ce172SPaul Burton 2680f2ffa5abSDezhong Diaoconfig USE_OF 26810b3e06fdSJonas Gorski bool 2682f2ffa5abSDezhong Diao select OF 2683e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2684abd2363fSGrant Likely select IRQ_DOMAIN 2685f2ffa5abSDezhong Diao 26867fafb068SAndrew Brestickerconfig BUILTIN_DTB 26877fafb068SAndrew Bresticker bool 26887fafb068SAndrew Bresticker 26891da8f179SJonas Gorskichoice 26901da8f179SJonas Gorski prompt "Kernel appended dtb support" if OF 26911da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 26921da8f179SJonas Gorski 26931da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 26941da8f179SJonas Gorski bool "None" 26951da8f179SJonas Gorski help 26961da8f179SJonas Gorski Do not enable appended dtb support. 26971da8f179SJonas Gorski 26981da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 26991da8f179SJonas Gorski bool "vmlinux.bin" 27001da8f179SJonas Gorski help 27011da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 27021da8f179SJonas Gorski DTB) appended to raw vmlinux.bin (without decompressor). 27031da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 27041da8f179SJonas Gorski 27051da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 27061da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 27071da8f179SJonas Gorski the documented boot protocol using a device tree. 27081da8f179SJonas Gorski 27091da8f179SJonas Gorski Beware that there is very little in terms of protection against 27101da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 27111da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 27121da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 27131da8f179SJonas Gorski if you don't intend to always append a DTB. 2714c0b4e101SJonas Gorski 2715c0b4e101SJonas Gorski config MIPS_ZBOOT_APPENDED_DTB 2716c0b4e101SJonas Gorski bool "vmlinuz.bin" 2717c0b4e101SJonas Gorski depends on SYS_SUPPORTS_ZBOOT 2718c0b4e101SJonas Gorski help 2719c0b4e101SJonas Gorski With this option, the boot code will look for a device tree binary 2720c0b4e101SJonas Gorski DTB) appended to raw vmlinuz.bin (with decompressor). 2721c0b4e101SJonas Gorski (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb). 2722c0b4e101SJonas Gorski 2723c0b4e101SJonas Gorski This is meant as a backward compatibility convenience for those 2724c0b4e101SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 2725c0b4e101SJonas Gorski the documented boot protocol using a device tree. 2726c0b4e101SJonas Gorski 2727c0b4e101SJonas Gorski Beware that there is very little in terms of protection against 2728c0b4e101SJonas Gorski this option being confused by leftover garbage in memory that might 2729c0b4e101SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 2730c0b4e101SJonas Gorski to vmlinuz.bin. Do not leave this option active in a production kernel 2731c0b4e101SJonas Gorski if you don't intend to always append a DTB. 27321da8f179SJonas Gorskiendchoice 27331da8f179SJonas Gorski 27345e83d430SRalf Baechleendmenu 27355e83d430SRalf Baechle 27361df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 27371df0f0ffSAtsushi Nemoto bool 27381df0f0ffSAtsushi Nemoto default y 27391df0f0ffSAtsushi Nemoto 27401df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 27411df0f0ffSAtsushi Nemoto bool 27421df0f0ffSAtsushi Nemoto default y 27431df0f0ffSAtsushi Nemoto 2744a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2745a728ab52SKirill A. Shutemov int 2746a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2747a728ab52SKirill A. Shutemov default 2 2748a728ab52SKirill A. Shutemov 2749b6c3539bSRalf Baechlesource "init/Kconfig" 2750b6c3539bSRalf Baechle 2751dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2752dc52ddc0SMatt Helsley 27531da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 27541da177e4SLinus Torvalds 27555e83d430SRalf Baechleconfig HW_HAS_EISA 27565e83d430SRalf Baechle bool 27571da177e4SLinus Torvaldsconfig HW_HAS_PCI 27581da177e4SLinus Torvalds bool 27591da177e4SLinus Torvalds 27601da177e4SLinus Torvaldsconfig PCI 27611da177e4SLinus Torvalds bool "Support for PCI controller" 27621da177e4SLinus Torvalds depends on HW_HAS_PCI 2763abb4ae46SRalf Baechle select PCI_DOMAINS 27640f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 27651da177e4SLinus Torvalds help 27661da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 27671da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 27681da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 27691da177e4SLinus Torvalds say Y, otherwise N. 27701da177e4SLinus Torvalds 27710e476d91SHuacai Chenconfig HT_PCI 27720e476d91SHuacai Chen bool "Support for HT-linked PCI" 27730e476d91SHuacai Chen default y 27740e476d91SHuacai Chen depends on CPU_LOONGSON3 27750e476d91SHuacai Chen select PCI 27760e476d91SHuacai Chen select PCI_DOMAINS 27770e476d91SHuacai Chen help 27780e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 27790e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 27800e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 27810e476d91SHuacai Chen 27821da177e4SLinus Torvaldsconfig PCI_DOMAINS 27831da177e4SLinus Torvalds bool 27841da177e4SLinus Torvalds 27851da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 27861da177e4SLinus Torvalds 27873f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 27883f787ca4SJonas Gorski 27891da177e4SLinus Torvalds# 27901da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 27911da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 27921da177e4SLinus Torvalds# users to choose the right thing ... 27931da177e4SLinus Torvalds# 27941da177e4SLinus Torvaldsconfig ISA 27951da177e4SLinus Torvalds bool 27961da177e4SLinus Torvalds 27971da177e4SLinus Torvaldsconfig EISA 27981da177e4SLinus Torvalds bool "EISA support" 27995e83d430SRalf Baechle depends on HW_HAS_EISA 28001da177e4SLinus Torvalds select ISA 2801aa414dffSRalf Baechle select GENERIC_ISA_DMA 28021da177e4SLinus Torvalds ---help--- 28031da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 28041da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 28051da177e4SLinus Torvalds 28061da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 28071da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 28081da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 28091da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 28101da177e4SLinus Torvalds 28111da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 28121da177e4SLinus Torvalds 28131da177e4SLinus Torvalds Otherwise, say N. 28141da177e4SLinus Torvalds 28151da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 28161da177e4SLinus Torvalds 28171da177e4SLinus Torvaldsconfig TC 28181da177e4SLinus Torvalds bool "TURBOchannel support" 28191da177e4SLinus Torvalds depends on MACH_DECSTATION 28201da177e4SLinus Torvalds help 282150a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 282250a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 282350a23e6eSJustin P. Mattock at: 282450a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 282550a23e6eSJustin P. Mattock and: 282650a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 282750a23e6eSJustin P. Mattock Linux driver support status is documented at: 282850a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 28291da177e4SLinus Torvalds 28301da177e4SLinus Torvaldsconfig MMU 28311da177e4SLinus Torvalds bool 28321da177e4SLinus Torvalds default y 28331da177e4SLinus Torvalds 2834d865bea4SRalf Baechleconfig I8253 2835d865bea4SRalf Baechle bool 2836798778b8SRussell King select CLKSRC_I8253 28372d02612fSThomas Gleixner select CLKEVT_I8253 28389726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2839d865bea4SRalf Baechle 2840e05eb3f8SRalf Baechleconfig ZONE_DMA 2841e05eb3f8SRalf Baechle bool 2842e05eb3f8SRalf Baechle 2843cce335aeSRalf Baechleconfig ZONE_DMA32 2844cce335aeSRalf Baechle bool 2845cce335aeSRalf Baechle 28461da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 28471da177e4SLinus Torvalds 28481da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 28491da177e4SLinus Torvalds 2850388b78adSAlexandre Bounineconfig RAPIDIO 285156abde72SAlexandre Bounine tristate "RapidIO support" 2852388b78adSAlexandre Bounine depends on PCI 2853388b78adSAlexandre Bounine default n 2854388b78adSAlexandre Bounine help 2855388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2856388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2857388b78adSAlexandre Bounine 2858388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2859388b78adSAlexandre Bounine 28601da177e4SLinus Torvaldsendmenu 28611da177e4SLinus Torvalds 28621da177e4SLinus Torvaldsmenu "Executable file formats" 28631da177e4SLinus Torvalds 28641da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 28651da177e4SLinus Torvalds 28661da177e4SLinus Torvaldsconfig TRAD_SIGNALS 28671da177e4SLinus Torvalds bool 28681da177e4SLinus Torvalds 28691da177e4SLinus Torvaldsconfig MIPS32_COMPAT 287078aaf956SRalf Baechle bool 28711da177e4SLinus Torvalds 28721da177e4SLinus Torvaldsconfig COMPAT 28731da177e4SLinus Torvalds bool 28741da177e4SLinus Torvalds 287505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 287605e43966SAtsushi Nemoto bool 287705e43966SAtsushi Nemoto 28781da177e4SLinus Torvaldsconfig MIPS32_O32 28791da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 288078aaf956SRalf Baechle depends on 64BIT 288178aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 288278aaf956SRalf Baechle select COMPAT 288378aaf956SRalf Baechle select MIPS32_COMPAT 288478aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 28851da177e4SLinus Torvalds help 28861da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 28871da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 28881da177e4SLinus Torvalds existing binaries are in this format. 28891da177e4SLinus Torvalds 28901da177e4SLinus Torvalds If unsure, say Y. 28911da177e4SLinus Torvalds 28921da177e4SLinus Torvaldsconfig MIPS32_N32 28931da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 2894c22eacfeSRalf Baechle depends on 64BIT 289578aaf956SRalf Baechle select COMPAT 289678aaf956SRalf Baechle select MIPS32_COMPAT 289778aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 28981da177e4SLinus Torvalds help 28991da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 29001da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 29011da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 29021da177e4SLinus Torvalds cases. 29031da177e4SLinus Torvalds 29041da177e4SLinus Torvalds If unsure, say N. 29051da177e4SLinus Torvalds 29061da177e4SLinus Torvaldsconfig BINFMT_ELF32 29071da177e4SLinus Torvalds bool 29081da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 29091da177e4SLinus Torvalds 29102116245eSRalf Baechleendmenu 29111da177e4SLinus Torvalds 29122116245eSRalf Baechlemenu "Power management options" 2913952fa954SRodolfo Giometti 2914363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2915363c55caSWu Zhangjin def_bool y 29163f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2917363c55caSWu Zhangjin 2918f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2919f4cb5700SJohannes Berg def_bool y 29203f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2921f4cb5700SJohannes Berg 29222116245eSRalf Baechlesource "kernel/power/Kconfig" 2923952fa954SRodolfo Giometti 29241da177e4SLinus Torvaldsendmenu 29251da177e4SLinus Torvalds 29267a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 29277a998935SViresh Kumar bool 29287a998935SViresh Kumar 29297a998935SViresh Kumarmenu "CPU Power Management" 2930c095ebafSPaul Burton 2931c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 29327a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 29337a998935SViresh Kumarendif 29349726b43aSWu Zhangjin 2935c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2936c095ebafSPaul Burton 2937c095ebafSPaul Burtonendmenu 2938c095ebafSPaul Burton 2939d5950b43SSam Ravnborgsource "net/Kconfig" 2940d5950b43SSam Ravnborg 29411da177e4SLinus Torvaldssource "drivers/Kconfig" 29421da177e4SLinus Torvalds 294398cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 294498cdee0eSRalf Baechle 29451da177e4SLinus Torvaldssource "fs/Kconfig" 29461da177e4SLinus Torvalds 29471da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 29481da177e4SLinus Torvalds 29491da177e4SLinus Torvaldssource "security/Kconfig" 29501da177e4SLinus Torvalds 29511da177e4SLinus Torvaldssource "crypto/Kconfig" 29521da177e4SLinus Torvalds 29531da177e4SLinus Torvaldssource "lib/Kconfig" 29542235a54dSSanjay Lal 29552235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2956