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 81ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 9c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 10f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 11ec7748b5SSam Ravnborg select HAVE_IDE 1242d4b839SMathieu Desnoyers select HAVE_OPROFILE 137f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 147f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1588547001SJason Wessel select HAVE_ARCH_KGDB 16490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 17c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 183f5fdb4bSMarkos Chandras select HAVE_BPF_JIT if !CPU_MICROMIPS 19d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 20538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 21538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2264575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2329c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 24c1bf207dSDavid Daney select HAVE_KPROBES 25c1bf207dSDavid Daney select HAVE_KRETPROBES 26fb59e394SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 27b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 281d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 292b68f6caSKees Cook select ARCH_HAS_ELF_RANDOMIZE 30383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 3130ad29bbSHuacai Chen select RTC_LIB if !MACH_LOONGSON64 322b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 337463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 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 63a7f4df4eSAlex Smith select GENERIC_TIME_VSYSCALL 64a7f4df4eSAlex Smith select ARCH_CLOCKSOURCE_DATA 651d2753a6SDavid Daney select HANDLE_DOMAIN_IRQ 661da177e4SLinus Torvalds 671da177e4SLinus Torvaldsmenu "Machine selection" 681da177e4SLinus Torvalds 695e83d430SRalf Baechlechoice 705e83d430SRalf Baechle prompt "System type" 715e83d430SRalf Baechle default SGI_IP22 721da177e4SLinus Torvalds 7342a4f17dSManuel Laussconfig MIPS_ALCHEMY 74c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 7534adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 76f772cdb2SRalf Baechle select CEVT_R4K 77d7ea335cSSteven J. Hill select CSRC_R4K 7867e38cf2SRalf Baechle select IRQ_MIPS_CPU 7988e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 8042a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 8142a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 8242a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 83efb12436SAlexandre Courbot select ARCH_REQUIRE_GPIOLIB 841b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 8547440229SManuel Lauss select COMMON_CLK 861da177e4SLinus Torvalds 877ca5dc14SFlorian Fainelliconfig AR7 887ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 897ca5dc14SFlorian Fainelli select BOOT_ELF32 907ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 917ca5dc14SFlorian Fainelli select CEVT_R4K 927ca5dc14SFlorian Fainelli select CSRC_R4K 9367e38cf2SRalf Baechle select IRQ_MIPS_CPU 947ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 957ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 967ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 977ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 987ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 997ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 100377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1011b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 1025f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 1037ca5dc14SFlorian Fainelli select VLYNQ 1048551fb64SYoichi Yuasa select HAVE_CLK 1057ca5dc14SFlorian Fainelli help 1067ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1077ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1087ca5dc14SFlorian Fainelli 10943cc739fSSergey Ryazanovconfig ATH25 11043cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 11143cc739fSSergey Ryazanov select CEVT_R4K 11243cc739fSSergey Ryazanov select CSRC_R4K 11343cc739fSSergey Ryazanov select DMA_NONCOHERENT 11467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1151753e74eSSergey Ryazanov select IRQ_DOMAIN 11643cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 11743cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 11843cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1198aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 12043cc739fSSergey Ryazanov help 12143cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 12243cc739fSSergey Ryazanov 123d4a67d9dSGabor Juhosconfig ATH79 124d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 125ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 1266eae43c5SGabor Juhos select ARCH_REQUIRE_GPIOLIB 127d4a67d9dSGabor Juhos select BOOT_RAW 128d4a67d9dSGabor Juhos select CEVT_R4K 129d4a67d9dSGabor Juhos select CSRC_R4K 130d4a67d9dSGabor Juhos select DMA_NONCOHERENT 13194638067SGabor Juhos select HAVE_CLK 132411520afSAlban Bedel select COMMON_CLK 1332c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 13467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1350aabf1a4SGabor Juhos select MIPS_MACHINE 136d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 137d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 138d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 139d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 140377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 141b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 14203c8c407SAlban Bedel select USE_OF 143d4a67d9dSGabor Juhos help 144d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 145d4a67d9dSGabor Juhos 1465f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 1475f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 148d666cd02SKevin Cernekee select BOOT_RAW 149d666cd02SKevin Cernekee select NO_EXCEPT_FILL 150d666cd02SKevin Cernekee select USE_OF 151d666cd02SKevin Cernekee select CEVT_R4K 152d666cd02SKevin Cernekee select CSRC_R4K 153d666cd02SKevin Cernekee select SYNC_R4K 154d666cd02SKevin Cernekee select COMMON_CLK 155c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 15660b858f2SKevin Cernekee select BCM7038_L1_IRQ 15760b858f2SKevin Cernekee select BCM7120_L2_IRQ 15860b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 15967e38cf2SRalf Baechle select IRQ_MIPS_CPU 16060b858f2SKevin Cernekee select DMA_NONCOHERENT 161d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 16260b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 163d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 164d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 16560b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 16660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 16760b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 168d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 169d666cd02SKevin Cernekee select SWAP_IO_SPACE 17060b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 17160b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 17260b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 17360b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 174a7b43812SFlorian Fainelli select ARCH_WANT_OPTIONAL_GPIOLIB 175d666cd02SKevin Cernekee help 1765f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 1775f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 1785f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 1795f2d4459SKevin Cernekee must be set appropriately for your board. 180d666cd02SKevin Cernekee 1811c0c13ebSAurelien Jarnoconfig BCM47XX 182c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 1832da4c74dSHauke Mehrtens select ARCH_WANT_OPTIONAL_GPIOLIB 184fe08f8c2SHauke Mehrtens select BOOT_RAW 18542f77542SRalf Baechle select CEVT_R4K 186940f6b48SRalf Baechle select CSRC_R4K 1871c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1881c0c13ebSAurelien Jarno select HW_HAS_PCI 18967e38cf2SRalf Baechle select IRQ_MIPS_CPU 190314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 191dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1921c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1931c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 194377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 19525e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 196e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 197c949c0bcSRafał Miłecki select GPIOLIB 198c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 199f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2002ab71a02SRafał Miłecki select BCM47XX_SPROM 2011c0c13ebSAurelien Jarno help 2021c0c13ebSAurelien Jarno Support for BCM47XX based boards 2031c0c13ebSAurelien Jarno 204e7300d04SMaxime Bizonconfig BCM63XX 205e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 206ae8de61cSFlorian Fainelli select BOOT_RAW 207e7300d04SMaxime Bizon select CEVT_R4K 208e7300d04SMaxime Bizon select CSRC_R4K 209fc264022SJonas Gorski select SYNC_R4K 210e7300d04SMaxime Bizon select DMA_NONCOHERENT 21167e38cf2SRalf Baechle select IRQ_MIPS_CPU 212e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 213e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 214e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 215e7300d04SMaxime Bizon select SWAP_IO_SPACE 216e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 2173e82eeebSYoichi Yuasa select HAVE_CLK 218af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 219e7300d04SMaxime Bizon help 220e7300d04SMaxime Bizon Support for BCM63XX based boards 221e7300d04SMaxime Bizon 2221da177e4SLinus Torvaldsconfig MIPS_COBALT 2233fa986faSMartin Michlmayr bool "Cobalt Server" 22442f77542SRalf Baechle select CEVT_R4K 225940f6b48SRalf Baechle select CSRC_R4K 2261097c6acSYoichi Yuasa select CEVT_GT641XX 2271da177e4SLinus Torvalds select DMA_NONCOHERENT 2281da177e4SLinus Torvalds select HW_HAS_PCI 229d865bea4SRalf Baechle select I8253 2301da177e4SLinus Torvalds select I8259 23167e38cf2SRalf Baechle select IRQ_MIPS_CPU 232d5ab1a69SYoichi Yuasa select IRQ_GT641XX 233252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 234e25bfc92SYoichi Yuasa select PCI 2357cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2360a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 237ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2380e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 240e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2411da177e4SLinus Torvalds 2421da177e4SLinus Torvaldsconfig MACH_DECSTATION 2433fa986faSMartin Michlmayr bool "DECstations" 2441da177e4SLinus Torvalds select BOOT_ELF32 2456457d9fcSYoichi Yuasa select CEVT_DS1287 24681d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2474247417dSYoichi Yuasa select CSRC_IOASIC 24881d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 24920d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 25020d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 25120d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 2521da177e4SLinus Torvalds select DMA_NONCOHERENT 253ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 25467e38cf2SRalf Baechle select IRQ_MIPS_CPU 2557cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 2567cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 257ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2587d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2595e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2601723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 2611723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 2621723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 263930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2645e83d430SRalf Baechle help 2651da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2661da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2671da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2681da177e4SLinus Torvalds 2691da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2701da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2711da177e4SLinus Torvalds 2721da177e4SLinus Torvalds DECstation 5000/50 2731da177e4SLinus Torvalds DECstation 5000/150 2741da177e4SLinus Torvalds DECstation 5000/260 2751da177e4SLinus Torvalds DECsystem 5900/260 2761da177e4SLinus Torvalds 2771da177e4SLinus Torvalds otherwise choose R3000. 2781da177e4SLinus Torvalds 2795e83d430SRalf Baechleconfig MACH_JAZZ 2803fa986faSMartin Michlmayr bool "Jazz family of machines" 2810e2794b0SRalf Baechle select FW_ARC 2820e2794b0SRalf Baechle select FW_ARC32 2835e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 28442f77542SRalf Baechle select CEVT_R4K 285940f6b48SRalf Baechle select CSRC_R4K 286e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2875e83d430SRalf Baechle select GENERIC_ISA_DMA 2888a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 28967e38cf2SRalf Baechle select IRQ_MIPS_CPU 290d865bea4SRalf Baechle select I8253 2915e83d430SRalf Baechle select I8259 2925e83d430SRalf Baechle select ISA 2937cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2945e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2957d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2961723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2971da177e4SLinus Torvalds help 2985e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2995e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 300692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3015e83d430SRalf Baechle Olivetti M700-10 workstations. 3025e83d430SRalf Baechle 303de361e8bSPaul Burtonconfig MACH_INGENIC 304de361e8bSPaul Burton bool "Ingenic SoC based machines" 3055ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3065ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 307f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3085ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 30967e38cf2SRalf Baechle select IRQ_MIPS_CPU 3105ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 311ff1930c6SPaul Burton select COMMON_CLK 31283bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 313ffb1843dSPaul Burton select BUILTIN_DTB 314ffb1843dSPaul Burton select USE_OF 3156ec127fbSPaul Burton select LIBFDT 3165ebabe59SLars-Peter Clausen 317171bb2f1SJohn Crispinconfig LANTIQ 318171bb2f1SJohn Crispin bool "Lantiq based platforms" 319171bb2f1SJohn Crispin select DMA_NONCOHERENT 32067e38cf2SRalf Baechle select IRQ_MIPS_CPU 321171bb2f1SJohn Crispin select CEVT_R4K 322171bb2f1SJohn Crispin select CSRC_R4K 323171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 324171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 325171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 326171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 327377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 328171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 329171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 330171bb2f1SJohn Crispin select ARCH_REQUIRE_GPIOLIB 331171bb2f1SJohn Crispin select SWAP_IO_SPACE 332171bb2f1SJohn Crispin select BOOT_RAW 333287e3f3fSJohn Crispin select CLKDEV_LOOKUP 334a0392222SJohn Crispin select USE_OF 3353f8c50c9SJohn Crispin select PINCTRL 3363f8c50c9SJohn Crispin select PINCTRL_LANTIQ 337c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 338c530781cSJohn Crispin select RESET_CONTROLLER 339171bb2f1SJohn Crispin 3401f21d2bdSBrian Murphyconfig LASAT 3411f21d2bdSBrian Murphy bool "LASAT Networks platforms" 34242f77542SRalf Baechle select CEVT_R4K 34316f0bbbcSRalf Baechle select CRC32 344940f6b48SRalf Baechle select CSRC_R4K 3451f21d2bdSBrian Murphy select DMA_NONCOHERENT 3461f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3471f21d2bdSBrian Murphy select HW_HAS_PCI 34867e38cf2SRalf Baechle select IRQ_MIPS_CPU 3491f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 3501f21d2bdSBrian Murphy select MIPS_NILE4 3511f21d2bdSBrian Murphy select R5000_CPU_SCACHE 3521f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 3531f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 3541f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 3551f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 3561f21d2bdSBrian Murphy 35730ad29bbSHuacai Chenconfig MACH_LOONGSON32 35830ad29bbSHuacai Chen bool "Loongson-1 family of machines" 359c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 360ade299d8SYoichi Yuasa help 36130ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 36285749d24SWu Zhangjin 36330ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 36430ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 36530ad29bbSHuacai Chen Sciences (CAS). 366ade299d8SYoichi Yuasa 36730ad29bbSHuacai Chenconfig MACH_LOONGSON64 36830ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 369ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 370ca585cf9SKelvin Cheung help 37130ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 372ca585cf9SKelvin Cheung 37330ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 37430ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 37530ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 37630ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 37730ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 37830ad29bbSHuacai Chen Weiwu Hu. 379ca585cf9SKelvin Cheung 3806a438309SAndrew Brestickerconfig MACH_PISTACHIO 3816a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 3826a438309SAndrew Bresticker select ARCH_REQUIRE_GPIOLIB 3836a438309SAndrew Bresticker select BOOT_ELF32 3846a438309SAndrew Bresticker select BOOT_RAW 3856a438309SAndrew Bresticker select CEVT_R4K 3866a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 3876a438309SAndrew Bresticker select COMMON_CLK 3886a438309SAndrew Bresticker select CSRC_R4K 3896a438309SAndrew Bresticker select DMA_MAYBE_COHERENT 39067e38cf2SRalf Baechle select IRQ_MIPS_CPU 3916a438309SAndrew Bresticker select LIBFDT 3926a438309SAndrew Bresticker select MFD_SYSCON 3936a438309SAndrew Bresticker select MIPS_CPU_SCACHE 3946a438309SAndrew Bresticker select MIPS_GIC 3956a438309SAndrew Bresticker select PINCTRL 3966a438309SAndrew Bresticker select REGULATOR 3976a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 3986a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 3996a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4006a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4016a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 4026a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 403018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 404018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4056a438309SAndrew Bresticker select USE_OF 4066a438309SAndrew Bresticker help 4076a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4086a438309SAndrew Bresticker 4099937f5ffSZubair Lutfullah Kakakhelconfig MACH_XILFPGA 4109937f5ffSZubair Lutfullah Kakakhel bool "MIPSfpga Xilinx based boards" 4119937f5ffSZubair Lutfullah Kakakhel select ARCH_REQUIRE_GPIOLIB 4129937f5ffSZubair Lutfullah Kakakhel select BOOT_ELF32 4139937f5ffSZubair Lutfullah Kakakhel select BOOT_RAW 4149937f5ffSZubair Lutfullah Kakakhel select BUILTIN_DTB 4159937f5ffSZubair Lutfullah Kakakhel select CEVT_R4K 4169937f5ffSZubair Lutfullah Kakakhel select COMMON_CLK 4179937f5ffSZubair Lutfullah Kakakhel select CSRC_R4K 4189937f5ffSZubair Lutfullah Kakakhel select IRQ_MIPS_CPU 4199937f5ffSZubair Lutfullah Kakakhel select LIBFDT 4209937f5ffSZubair Lutfullah Kakakhel select MIPS_CPU_SCACHE 4219937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_EARLY_PRINTK 4229937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_CPU_MIPS32_R2 4239937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_32BIT_KERNEL 4249937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_LITTLE_ENDIAN 4259937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_ZBOOT_UART16550 4269937f5ffSZubair Lutfullah Kakakhel select USE_OF 4279937f5ffSZubair Lutfullah Kakakhel select USE_GENERIC_EARLY_PRINTK_8250 4289937f5ffSZubair Lutfullah Kakakhel help 4299937f5ffSZubair Lutfullah Kakakhel This enables support for the IMG University Program MIPSfpga platform. 4309937f5ffSZubair Lutfullah Kakakhel 4311da177e4SLinus Torvaldsconfig MIPS_MALTA 4323fa986faSMartin Michlmayr bool "MIPS Malta board" 43361ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 4341da177e4SLinus Torvalds select BOOT_ELF32 435fa71c960SRalf Baechle select BOOT_RAW 436e8823d26SPaul Burton select BUILTIN_DTB 43742f77542SRalf Baechle select CEVT_R4K 438940f6b48SRalf Baechle select CSRC_R4K 439fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 44042b002abSGuenter Roeck select COMMON_CLK 441885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 4421da177e4SLinus Torvalds select GENERIC_ISA_DMA 4438a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 44467e38cf2SRalf Baechle select IRQ_MIPS_CPU 4458a19b8f1SAndrew Bresticker select MIPS_GIC 4461da177e4SLinus Torvalds select HW_HAS_PCI 447d865bea4SRalf Baechle select I8253 4481da177e4SLinus Torvalds select I8259 4495e83d430SRalf Baechle select MIPS_BONITO64 4509318c51aSChris Dearman select MIPS_CPU_SCACHE 451a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 452252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 4535e83d430SRalf Baechle select MIPS_MSC 454ecafe3e9SPaul Burton select SMP_UP if SMP 4551da177e4SLinus Torvalds select SWAP_IO_SPACE 4567cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 4577cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 458bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 459c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 460575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 4617cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 4625d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 463575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 4647cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 4657cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 466ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 467ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4685e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 469c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 4705e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 471424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 4720365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 473e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 474377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 475f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 4769693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 4771b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 478*8c530ea3SMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 479e8823d26SPaul Burton select USE_OF 480abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 481e81a8c7dSPaul Burton select BUILTIN_DTB 482e81a8c7dSPaul Burton select LIBFDT 4831da177e4SLinus Torvalds help 484f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 4851da177e4SLinus Torvalds board. 4861da177e4SLinus Torvalds 4872572f00dSJoshua Hendersonconfig MACH_PIC32 4882572f00dSJoshua Henderson bool "Microchip PIC32 Family" 4892572f00dSJoshua Henderson help 4902572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 4912572f00dSJoshua Henderson 4922572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 4932572f00dSJoshua Henderson microcontrollers. 4942572f00dSJoshua Henderson 495ec47b274SSteven J. Hillconfig MIPS_SEAD3 496ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 497ec47b274SSteven J. Hill select BOOT_ELF32 498ec47b274SSteven J. Hill select BOOT_RAW 499f262b5f2SAndrew Bresticker select BUILTIN_DTB 500ec47b274SSteven J. Hill select CEVT_R4K 501ec47b274SSteven J. Hill select CSRC_R4K 502fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50342b002abSGuenter Roeck select COMMON_CLK 504ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 505ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 506ec47b274SSteven J. Hill select DMA_NONCOHERENT 50767e38cf2SRalf Baechle select IRQ_MIPS_CPU 5088a19b8f1SAndrew Bresticker select MIPS_GIC 50944327236SQais Yousef select LIBFDT 510ec47b274SSteven J. Hill select MIPS_MSC 511ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 512ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 513d4594b27SPaul Burton select SYS_HAS_CPU_MIPS32_R6 514ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 515ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 516ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 517ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 518ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 519ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 520ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 521a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 522377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 523*8c530ea3SMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 524ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 525ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 5269b731009SSteven J. Hill select USE_OF 527ec47b274SSteven J. Hill help 528ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 529ec47b274SSteven J. Hill board. 530ec47b274SSteven J. Hill 531a83860c2SRalf Baechleconfig NEC_MARKEINS 532a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 533a83860c2SRalf Baechle select SOC_EMMA2RH 534a83860c2SRalf Baechle select HW_HAS_PCI 535a83860c2SRalf Baechle help 536a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 537ade299d8SYoichi Yuasa 5385e83d430SRalf Baechleconfig MACH_VR41XX 53974142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 54042f77542SRalf Baechle select CEVT_R4K 541940f6b48SRalf Baechle select CSRC_R4K 5427cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 543377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 54427fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 5455e83d430SRalf Baechle 546edb6310aSDaniel Lairdconfig NXP_STB220 547edb6310aSDaniel Laird bool "NXP STB220 board" 548edb6310aSDaniel Laird select SOC_PNX833X 549edb6310aSDaniel Laird help 550edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 551edb6310aSDaniel Laird 552edb6310aSDaniel Lairdconfig NXP_STB225 553edb6310aSDaniel Laird bool "NXP 225 board" 554edb6310aSDaniel Laird select SOC_PNX833X 555edb6310aSDaniel Laird select SOC_PNX8335 556edb6310aSDaniel Laird help 557edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 558edb6310aSDaniel Laird 5599267a30dSMarc St-Jeanconfig PMC_MSP 5609267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 56139d30c13SAnoop P A select CEVT_R4K 56239d30c13SAnoop P A select CSRC_R4K 5639267a30dSMarc St-Jean select DMA_NONCOHERENT 5649267a30dSMarc St-Jean select SWAP_IO_SPACE 5659267a30dSMarc St-Jean select NO_EXCEPT_FILL 5669267a30dSMarc St-Jean select BOOT_RAW 5679267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5689267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5699267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5709267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 571377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 57267e38cf2SRalf Baechle select IRQ_MIPS_CPU 5739267a30dSMarc St-Jean select SERIAL_8250 5749267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5759296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5769296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5779267a30dSMarc St-Jean help 5789267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 5799267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 5809267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 5819267a30dSMarc St-Jean a variety of MIPS cores. 5829267a30dSMarc St-Jean 583ae2b5bb6SJohn Crispinconfig RALINK 584ae2b5bb6SJohn Crispin bool "Ralink based machines" 585ae2b5bb6SJohn Crispin select CEVT_R4K 586ae2b5bb6SJohn Crispin select CSRC_R4K 587ae2b5bb6SJohn Crispin select BOOT_RAW 588ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 58967e38cf2SRalf Baechle select IRQ_MIPS_CPU 590ae2b5bb6SJohn Crispin select USE_OF 591ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 592ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 593ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 594ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 595377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 596ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 597ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 5982a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 5992a153f1cSJohn Crispin select RESET_CONTROLLER 600ae2b5bb6SJohn Crispin 6011da177e4SLinus Torvaldsconfig SGI_IP22 6023fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6030e2794b0SRalf Baechle select FW_ARC 6040e2794b0SRalf Baechle select FW_ARC32 6051da177e4SLinus Torvalds select BOOT_ELF32 60642f77542SRalf Baechle select CEVT_R4K 607940f6b48SRalf Baechle select CSRC_R4K 608e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6091da177e4SLinus Torvalds select DMA_NONCOHERENT 6105e83d430SRalf Baechle select HW_HAS_EISA 611d865bea4SRalf Baechle select I8253 61268de4803SThomas Bogendoerfer select I8259 6131da177e4SLinus Torvalds select IP22_CPU_SCACHE 61467e38cf2SRalf Baechle select IRQ_MIPS_CPU 615aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 616e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 617e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 61836e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 619e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 620e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 621e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6221da177e4SLinus Torvalds select SWAP_IO_SPACE 6237cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6247cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6252b5e63f6SMartin Michlmayr # 6262b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6272b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6282b5e63f6SMartin Michlmayr # 6292b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6302b5e63f6SMartin Michlmayr # for a more details discussion 6312b5e63f6SMartin Michlmayr # 6322b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 633ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 634ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6355e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 636930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6371da177e4SLinus Torvalds help 6381da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6391da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6401da177e4SLinus Torvalds that runs on these, say Y here. 6411da177e4SLinus Torvalds 6421da177e4SLinus Torvaldsconfig SGI_IP27 6433fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6440e2794b0SRalf Baechle select FW_ARC 6450e2794b0SRalf Baechle select FW_ARC64 6465e83d430SRalf Baechle select BOOT_ELF64 647e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 648634286f1SRalf Baechle select DMA_COHERENT 64936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6501da177e4SLinus Torvalds select HW_HAS_PCI 651130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6527cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 653ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6545e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 655d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6561a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 657930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6581da177e4SLinus Torvalds help 6591da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6601da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6611da177e4SLinus Torvalds here. 6621da177e4SLinus Torvalds 663e2defae5SThomas Bogendoerferconfig SGI_IP28 6647d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6650e2794b0SRalf Baechle select FW_ARC 6660e2794b0SRalf Baechle select FW_ARC64 667e2defae5SThomas Bogendoerfer select BOOT_ELF64 668e2defae5SThomas Bogendoerfer select CEVT_R4K 669e2defae5SThomas Bogendoerfer select CSRC_R4K 670e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 671e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 672e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 67367e38cf2SRalf Baechle select IRQ_MIPS_CPU 674e2defae5SThomas Bogendoerfer select HW_HAS_EISA 675e2defae5SThomas Bogendoerfer select I8253 676e2defae5SThomas Bogendoerfer select I8259 677e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 678e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 6795b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 680e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 681e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 682e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 683e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 684e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 6852b5e63f6SMartin Michlmayr # 6862b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6872b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6882b5e63f6SMartin Michlmayr # 6892b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6902b5e63f6SMartin Michlmayr # for a more details discussion 6912b5e63f6SMartin Michlmayr # 6922b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 693e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 694e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 695dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 696e2defae5SThomas Bogendoerfer help 697e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 698e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 699e2defae5SThomas Bogendoerfer 7001da177e4SLinus Torvaldsconfig SGI_IP32 701cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 7020e2794b0SRalf Baechle select FW_ARC 7030e2794b0SRalf Baechle select FW_ARC32 7041da177e4SLinus Torvalds select BOOT_ELF32 70542f77542SRalf Baechle select CEVT_R4K 706940f6b48SRalf Baechle select CSRC_R4K 7071da177e4SLinus Torvalds select DMA_NONCOHERENT 7081da177e4SLinus Torvalds select HW_HAS_PCI 70967e38cf2SRalf Baechle select IRQ_MIPS_CPU 7101da177e4SLinus Torvalds select R5000_CPU_SCACHE 7111da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7127cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7137cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7147cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 715dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 716ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7175e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7181da177e4SLinus Torvalds help 7191da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7201da177e4SLinus Torvalds 721ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 722ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7235e83d430SRalf Baechle select BOOT_ELF32 7245e83d430SRalf Baechle select DMA_COHERENT 7255e83d430SRalf Baechle select SIBYTE_BCM1120 7265e83d430SRalf Baechle select SWAP_IO_SPACE 7277cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7285e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7295e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7305e83d430SRalf Baechle 731ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 732ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7335e83d430SRalf Baechle select BOOT_ELF32 7345e83d430SRalf Baechle select DMA_COHERENT 7355e83d430SRalf Baechle select SIBYTE_BCM1120 7365e83d430SRalf Baechle select SWAP_IO_SPACE 7377cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7385e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7405e83d430SRalf Baechle 7415e83d430SRalf Baechleconfig SIBYTE_CRHONE 7423fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7435e83d430SRalf Baechle select BOOT_ELF32 7445e83d430SRalf Baechle select DMA_COHERENT 7455e83d430SRalf Baechle select SIBYTE_BCM1125 7465e83d430SRalf Baechle select SWAP_IO_SPACE 7477cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7485e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7495e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7505e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7515e83d430SRalf Baechle 752ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 753ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 754ade299d8SYoichi Yuasa select BOOT_ELF32 755ade299d8SYoichi Yuasa select DMA_COHERENT 756ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 757ade299d8SYoichi Yuasa select SWAP_IO_SPACE 758ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 759ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 760ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 761ade299d8SYoichi Yuasa 762ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 763ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 764ade299d8SYoichi Yuasa select BOOT_ELF32 765ade299d8SYoichi Yuasa select DMA_COHERENT 766fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 767ade299d8SYoichi Yuasa select SIBYTE_SB1250 768ade299d8SYoichi Yuasa select SWAP_IO_SPACE 769ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 770ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 771ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 772ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 773cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 774ade299d8SYoichi Yuasa 775ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 776ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 777ade299d8SYoichi Yuasa select BOOT_ELF32 778ade299d8SYoichi Yuasa select DMA_COHERENT 779fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 780ade299d8SYoichi Yuasa select SIBYTE_SB1250 781ade299d8SYoichi Yuasa select SWAP_IO_SPACE 782ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 783ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 784ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 785ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 786ade299d8SYoichi Yuasa 787ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 788ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 789ade299d8SYoichi Yuasa select BOOT_ELF32 790ade299d8SYoichi Yuasa select DMA_COHERENT 791ade299d8SYoichi Yuasa select SIBYTE_SB1250 792ade299d8SYoichi Yuasa select SWAP_IO_SPACE 793ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 794ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 795ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 796ade299d8SYoichi Yuasa 797ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 798ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 799ade299d8SYoichi Yuasa select BOOT_ELF32 800ade299d8SYoichi Yuasa select DMA_COHERENT 801ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 802ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 803ade299d8SYoichi Yuasa select SWAP_IO_SPACE 804ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 805ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 806651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 807ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 808cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 809ade299d8SYoichi Yuasa 81014b36af4SThomas Bogendoerferconfig SNI_RM 81114b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8120e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8130e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 814aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8155e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 8165e83d430SRalf Baechle select BOOT_ELF32 81742f77542SRalf Baechle select CEVT_R4K 818940f6b48SRalf Baechle select CSRC_R4K 819e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8205e83d430SRalf Baechle select DMA_NONCOHERENT 8215e83d430SRalf Baechle select GENERIC_ISA_DMA 8228a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8235e83d430SRalf Baechle select HW_HAS_EISA 8245e83d430SRalf Baechle select HW_HAS_PCI 82567e38cf2SRalf Baechle select IRQ_MIPS_CPU 826d865bea4SRalf Baechle select I8253 8275e83d430SRalf Baechle select I8259 8285e83d430SRalf Baechle select ISA 8294a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8307cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8314a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 832c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8334a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 83436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 835ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8367d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8374a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8385e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8401da177e4SLinus Torvalds help 84114b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 84214b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8435e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8445e83d430SRalf Baechle support this machine type. 8451da177e4SLinus Torvalds 846edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 847edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8485e83d430SRalf Baechle 849edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 850edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 85123fbee9dSRalf Baechle 85273b4390fSRalf Baechleconfig MIKROTIK_RB532 85373b4390fSRalf Baechle bool "Mikrotik RB532 boards" 85473b4390fSRalf Baechle select CEVT_R4K 85573b4390fSRalf Baechle select CSRC_R4K 85673b4390fSRalf Baechle select DMA_NONCOHERENT 85773b4390fSRalf Baechle select HW_HAS_PCI 85867e38cf2SRalf Baechle select IRQ_MIPS_CPU 85973b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 86073b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 86173b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 86273b4390fSRalf Baechle select SWAP_IO_SPACE 86373b4390fSRalf Baechle select BOOT_RAW 864d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 865930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 86673b4390fSRalf Baechle help 86773b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 86873b4390fSRalf Baechle based on the IDT RC32434 SoC. 86973b4390fSRalf Baechle 8709ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8719ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 872a86c7f72SDavid Daney select CEVT_R4K 87334adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 874a86c7f72SDavid Daney select DMA_COHERENT 875a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 876a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 877f65aad41SRalf Baechle select EDAC_SUPPORT 878b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 87973569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 88073569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 881a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 8825e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 883a86c7f72SDavid Daney select SWAP_IO_SPACE 884e8635b48SDavid Daney select HW_HAS_PCI 885f00e001eSDavid Daney select ZONE_DMA32 886465aaed0SDavid Daney select HOLES_IN_ZONE 88799cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 8886e511163SDavid Daney select LIBFDT 8896e511163SDavid Daney select USE_OF 8906e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 8916e511163SDavid Daney select SYS_SUPPORTS_SMP 8926e511163SDavid Daney select NR_CPUS_DEFAULT_16 893e326479fSAndrew Bresticker select BUILTIN_DTB 8948c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 895a86c7f72SDavid Daney help 896a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 897a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 898a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 899a86c7f72SDavid Daney Some of the supported boards are: 900a86c7f72SDavid Daney EBT3000 901a86c7f72SDavid Daney EBH3000 902a86c7f72SDavid Daney EBH3100 903a86c7f72SDavid Daney Thunder 904a86c7f72SDavid Daney Kodama 905a86c7f72SDavid Daney Hikari 906a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 907a86c7f72SDavid Daney 9087f058e85SJayachandran Cconfig NLM_XLR_BOARD 9097f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9107f058e85SJayachandran C select BOOT_ELF32 9117f058e85SJayachandran C select NLM_COMMON 9127f058e85SJayachandran C select SYS_HAS_CPU_XLR 9137f058e85SJayachandran C select SYS_SUPPORTS_SMP 9147f058e85SJayachandran C select HW_HAS_PCI 9157f058e85SJayachandran C select SWAP_IO_SPACE 9167f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9177f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 91834adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 9197f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9207f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9217f058e85SJayachandran C select DMA_COHERENT 9227f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9237f058e85SJayachandran C select CEVT_R4K 9247f058e85SJayachandran C select CSRC_R4K 92567e38cf2SRalf Baechle select IRQ_MIPS_CPU 926b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9277f058e85SJayachandran C select SYNC_R4K 9287f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9298f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9308f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9317f058e85SJayachandran C help 9327f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9337f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9347f058e85SJayachandran C 9351c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9361c773ea4SJayachandran C bool "Netlogic XLP based systems" 9371c773ea4SJayachandran C select BOOT_ELF32 9381c773ea4SJayachandran C select NLM_COMMON 9391c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9401c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9411c773ea4SJayachandran C select HW_HAS_PCI 9421c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9431c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 94434adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 945079e3160SKamlakant Patel select ARCH_REQUIRE_GPIOLIB 9461c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9471c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9481c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9491c773ea4SJayachandran C select DMA_COHERENT 9501c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9511c773ea4SJayachandran C select CEVT_R4K 9521c773ea4SJayachandran C select CSRC_R4K 95367e38cf2SRalf Baechle select IRQ_MIPS_CPU 954b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9551c773ea4SJayachandran C select SYNC_R4K 9561c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9572f6528e1SJayachandran C select USE_OF 9588f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9598f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9601c773ea4SJayachandran C help 9611c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9621c773ea4SJayachandran C Say Y here if you have a XLP based board. 9631c773ea4SJayachandran C 9649bc463beSDavid Daneyconfig MIPS_PARAVIRT 9659bc463beSDavid Daney bool "Para-Virtualized guest system" 9669bc463beSDavid Daney select CEVT_R4K 9679bc463beSDavid Daney select CSRC_R4K 9689bc463beSDavid Daney select DMA_COHERENT 9699bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9709bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9719bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9729bc463beSDavid Daney select SYS_SUPPORTS_SMP 9739bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9749bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9759bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9769bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9779bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9789bc463beSDavid Daney select HW_HAS_PCI 9799bc463beSDavid Daney select SWAP_IO_SPACE 9809bc463beSDavid Daney help 9819bc463beSDavid Daney This option supports guest running under ???? 9829bc463beSDavid Daney 9831da177e4SLinus Torvaldsendchoice 9841da177e4SLinus Torvalds 985e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 9863b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 987d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 988a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 989e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 9908945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 9915e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 9925ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 9938ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 9941f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 9952572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 996af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 9970f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 998ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 99929c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 100038b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 100122b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10025e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1003a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 100430ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 100530ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10067f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1007ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 10089937f5ffSZubair Lutfullah Kakakhelsource "arch/mips/xilfpga/Kconfig" 100938b18f72SRalf Baechle 10105e83d430SRalf Baechleendmenu 10115e83d430SRalf Baechle 10121da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10131da177e4SLinus Torvalds bool 10141da177e4SLinus Torvalds default y 10151da177e4SLinus Torvalds 10161da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10171da177e4SLinus Torvalds bool 10181da177e4SLinus Torvalds 1019f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 1020f0d1b0b3SDavid Howells bool 1021f0d1b0b3SDavid Howells default n 1022f0d1b0b3SDavid Howells 1023f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 1024f0d1b0b3SDavid Howells bool 1025f0d1b0b3SDavid Howells default n 1026f0d1b0b3SDavid Howells 10273c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10283c9ee7efSAkinobu Mita bool 10293c9ee7efSAkinobu Mita default y 10303c9ee7efSAkinobu Mita 10311da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10321da177e4SLinus Torvalds bool 10331da177e4SLinus Torvalds default y 10341da177e4SLinus Torvalds 1035ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10361cc89038SAtsushi Nemoto bool 10371cc89038SAtsushi Nemoto default y 10381cc89038SAtsushi Nemoto 10391da177e4SLinus Torvalds# 10401da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10411da177e4SLinus Torvalds# 10420e2794b0SRalf Baechleconfig FW_ARC 10431da177e4SLinus Torvalds bool 10441da177e4SLinus Torvalds 104561ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 104661ed242dSRalf Baechle bool 104761ed242dSRalf Baechle 10489267a30dSMarc St-Jeanconfig BOOT_RAW 10499267a30dSMarc St-Jean bool 10509267a30dSMarc St-Jean 1051217dd11eSRalf Baechleconfig CEVT_BCM1480 1052217dd11eSRalf Baechle bool 1053217dd11eSRalf Baechle 10546457d9fcSYoichi Yuasaconfig CEVT_DS1287 10556457d9fcSYoichi Yuasa bool 10566457d9fcSYoichi Yuasa 10571097c6acSYoichi Yuasaconfig CEVT_GT641XX 10581097c6acSYoichi Yuasa bool 10591097c6acSYoichi Yuasa 106042f77542SRalf Baechleconfig CEVT_R4K 106142f77542SRalf Baechle bool 106242f77542SRalf Baechle 1063217dd11eSRalf Baechleconfig CEVT_SB1250 1064217dd11eSRalf Baechle bool 1065217dd11eSRalf Baechle 1066229f773eSAtsushi Nemotoconfig CEVT_TXX9 1067229f773eSAtsushi Nemoto bool 1068229f773eSAtsushi Nemoto 1069217dd11eSRalf Baechleconfig CSRC_BCM1480 1070217dd11eSRalf Baechle bool 1071217dd11eSRalf Baechle 10724247417dSYoichi Yuasaconfig CSRC_IOASIC 10734247417dSYoichi Yuasa bool 10744247417dSYoichi Yuasa 1075940f6b48SRalf Baechleconfig CSRC_R4K 1076940f6b48SRalf Baechle bool 1077940f6b48SRalf Baechle 1078217dd11eSRalf Baechleconfig CSRC_SB1250 1079217dd11eSRalf Baechle bool 1080217dd11eSRalf Baechle 1081a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1082a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1083a7f4df4eSAlex Smith 1084a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 10857444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 1086a9aec7feSAtsushi Nemoto bool 1087a9aec7feSAtsushi Nemoto 10880e2794b0SRalf Baechleconfig FW_CFE 1089df78b5c8SAurelien Jarno bool 1090df78b5c8SAurelien Jarno 10914bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 109234adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 10934bafad92SFUJITA Tomonori 109440e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 109540e084a5SRalf Baechle bool 109640e084a5SRalf Baechle 1097885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1098885014bcSFelix Fietkau select DMA_NONCOHERENT 1099885014bcSFelix Fietkau bool 1100885014bcSFelix Fietkau 11011da177e4SLinus Torvaldsconfig DMA_COHERENT 11021da177e4SLinus Torvalds bool 11031da177e4SLinus Torvalds 11041da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11051da177e4SLinus Torvalds bool 1106e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 11074ce588cdSRalf Baechle 1108e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 11094ce588cdSRalf Baechle bool 11101da177e4SLinus Torvalds 111136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11121da177e4SLinus Torvalds bool 11131da177e4SLinus Torvalds 1114dbb74540SRalf Baechleconfig HOTPLUG_CPU 11151b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 111640b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 11171b2bc75cSRalf Baechle help 11181b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 11191b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 11201b2bc75cSRalf Baechle (Note: power management support will enable this option 11211b2bc75cSRalf Baechle automatically on SMP systems. ) 11221b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 11231b2bc75cSRalf Baechle 11241b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1125dbb74540SRalf Baechle bool 1126dbb74540SRalf Baechle 11271da177e4SLinus Torvaldsconfig MIPS_BONITO64 11281da177e4SLinus Torvalds bool 11291da177e4SLinus Torvalds 11301da177e4SLinus Torvaldsconfig MIPS_MSC 11311da177e4SLinus Torvalds bool 11321da177e4SLinus Torvalds 11331f21d2bdSBrian Murphyconfig MIPS_NILE4 11341f21d2bdSBrian Murphy bool 11351f21d2bdSBrian Murphy 113639b8d525SRalf Baechleconfig SYNC_R4K 113739b8d525SRalf Baechle bool 113839b8d525SRalf Baechle 1139487d70d0SGabor Juhosconfig MIPS_MACHINE 1140487d70d0SGabor Juhos def_bool n 1141487d70d0SGabor Juhos 1142ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1143d388d685SMaciej W. Rozycki def_bool n 1144d388d685SMaciej W. Rozycki 11454e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11464e0748f5SMarkos Chandras bool 11474e0748f5SMarkos Chandras 11488313da30SRalf Baechleconfig GENERIC_ISA_DMA 11498313da30SRalf Baechle bool 11508313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1151a35bee8aSNamhyung Kim select ISA_DMA_API 11528313da30SRalf Baechle 1153aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1154aa414dffSRalf Baechle bool 11558313da30SRalf Baechle select GENERIC_ISA_DMA 1156aa414dffSRalf Baechle 1157a35bee8aSNamhyung Kimconfig ISA_DMA_API 1158a35bee8aSNamhyung Kim bool 1159a35bee8aSNamhyung Kim 1160465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1161465aaed0SDavid Daney bool 1162465aaed0SDavid Daney 1163*8c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 1164*8c530ea3SMatt Redfearn bool 1165*8c530ea3SMatt Redfearn help 1166*8c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 1167*8c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 1168*8c530ea3SMatt Redfearn to allow access to command line and entropy sources. 1169*8c530ea3SMatt Redfearn 11705e83d430SRalf Baechle# 11716b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11725e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11735e83d430SRalf Baechle# choice statement should be more obvious to the user. 11745e83d430SRalf Baechle# 11755e83d430SRalf Baechlechoice 11766b2aac42SMasanari Iida prompt "Endianness selection" 11771da177e4SLinus Torvalds help 11781da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11795e83d430SRalf Baechle byte order. These modes require different kernels and a different 11803cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11815e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11823dde6ad8SDavid Sterba one or the other endianness. 11835e83d430SRalf Baechle 11845e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11855e83d430SRalf Baechle bool "Big endian" 11865e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11875e83d430SRalf Baechle 11885e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11895e83d430SRalf Baechle bool "Little endian" 11905e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11915e83d430SRalf Baechle 11925e83d430SRalf Baechleendchoice 11935e83d430SRalf Baechle 119422b0763aSDavid Daneyconfig EXPORT_UASM 119522b0763aSDavid Daney bool 119622b0763aSDavid Daney 11972116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 11982116245eSRalf Baechle bool 11992116245eSRalf Baechle 12005e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12015e83d430SRalf Baechle bool 12025e83d430SRalf Baechle 12035e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12045e83d430SRalf Baechle bool 12051da177e4SLinus Torvalds 12069cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12079cffd154SDavid Daney bool 12089cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12099cffd154SDavid Daney default y 12109cffd154SDavid Daney 1211aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1212aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1213aa1762f4SDavid Daney 12141da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12151da177e4SLinus Torvalds bool 12161da177e4SLinus Torvalds 12179267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12189267a30dSMarc St-Jean bool 12199267a30dSMarc St-Jean 12209267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12219267a30dSMarc St-Jean bool 12229267a30dSMarc St-Jean 12238420fd00SAtsushi Nemotoconfig IRQ_TXX9 12248420fd00SAtsushi Nemoto bool 12258420fd00SAtsushi Nemoto 1226d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1227d5ab1a69SYoichi Yuasa bool 1228d5ab1a69SYoichi Yuasa 1229252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12301da177e4SLinus Torvalds bool 12311da177e4SLinus Torvalds 12329267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12339267a30dSMarc St-Jean bool 12349267a30dSMarc St-Jean 1235a83860c2SRalf Baechleconfig SOC_EMMA2RH 1236a83860c2SRalf Baechle bool 1237a83860c2SRalf Baechle select CEVT_R4K 1238a83860c2SRalf Baechle select CSRC_R4K 1239a83860c2SRalf Baechle select DMA_NONCOHERENT 124067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1241a83860c2SRalf Baechle select SWAP_IO_SPACE 1242a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1243a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1244a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1245a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1246a83860c2SRalf Baechle 1247edb6310aSDaniel Lairdconfig SOC_PNX833X 1248edb6310aSDaniel Laird bool 1249edb6310aSDaniel Laird select CEVT_R4K 1250edb6310aSDaniel Laird select CSRC_R4K 125167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1252edb6310aSDaniel Laird select DMA_NONCOHERENT 1253edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1254edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1255edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1256edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1257377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1258edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1259edb6310aSDaniel Laird 1260edb6310aSDaniel Lairdconfig SOC_PNX8335 1261edb6310aSDaniel Laird bool 1262edb6310aSDaniel Laird select SOC_PNX833X 1263edb6310aSDaniel Laird 1264a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1265a7e07b1aSMarkos Chandras bool 1266a7e07b1aSMarkos Chandras 12671da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12681da177e4SLinus Torvalds bool 12691da177e4SLinus Torvalds 1270e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1271e2defae5SThomas Bogendoerfer bool 1272e2defae5SThomas Bogendoerfer 12735b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12745b438c44SThomas Bogendoerfer bool 12755b438c44SThomas Bogendoerfer 1276e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1277e2defae5SThomas Bogendoerfer bool 1278e2defae5SThomas Bogendoerfer 1279e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1280e2defae5SThomas Bogendoerfer bool 1281e2defae5SThomas Bogendoerfer 1282e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1283e2defae5SThomas Bogendoerfer bool 1284e2defae5SThomas Bogendoerfer 1285e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1286e2defae5SThomas Bogendoerfer bool 1287e2defae5SThomas Bogendoerfer 1288e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1289e2defae5SThomas Bogendoerfer bool 1290e2defae5SThomas Bogendoerfer 12910e2794b0SRalf Baechleconfig FW_ARC32 12925e83d430SRalf Baechle bool 12935e83d430SRalf Baechle 1294aaa9fad3SPaul Bolleconfig FW_SNIPROM 1295231a35d3SThomas Bogendoerfer bool 1296231a35d3SThomas Bogendoerfer 12971da177e4SLinus Torvaldsconfig BOOT_ELF32 12981da177e4SLinus Torvalds bool 12991da177e4SLinus Torvalds 1300930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1301930beb5aSFlorian Fainelli bool 1302930beb5aSFlorian Fainelli 1303930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1304930beb5aSFlorian Fainelli bool 1305930beb5aSFlorian Fainelli 1306930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1307930beb5aSFlorian Fainelli bool 1308930beb5aSFlorian Fainelli 1309930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1310930beb5aSFlorian Fainelli bool 1311930beb5aSFlorian Fainelli 13121da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13131da177e4SLinus Torvalds int 1314a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13155432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13165432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13175432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13181da177e4SLinus Torvalds default "5" 13191da177e4SLinus Torvalds 13201da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13211da177e4SLinus Torvalds bool 13221da177e4SLinus Torvalds 13231da177e4SLinus Torvaldsconfig ARC_CONSOLE 13241da177e4SLinus Torvalds bool "ARC console support" 1325e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13261da177e4SLinus Torvalds 13271da177e4SLinus Torvaldsconfig ARC_MEMORY 13281da177e4SLinus Torvalds bool 132914b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13301da177e4SLinus Torvalds default y 13311da177e4SLinus Torvalds 13321da177e4SLinus Torvaldsconfig ARC_PROMLIB 13331da177e4SLinus Torvalds bool 1334e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13351da177e4SLinus Torvalds default y 13361da177e4SLinus Torvalds 13370e2794b0SRalf Baechleconfig FW_ARC64 13381da177e4SLinus Torvalds bool 13391da177e4SLinus Torvalds 13401da177e4SLinus Torvaldsconfig BOOT_ELF64 13411da177e4SLinus Torvalds bool 13421da177e4SLinus Torvalds 13431da177e4SLinus Torvaldsmenu "CPU selection" 13441da177e4SLinus Torvalds 13451da177e4SLinus Torvaldschoice 13461da177e4SLinus Torvalds prompt "CPU type" 13471da177e4SLinus Torvalds default CPU_R4X00 13481da177e4SLinus Torvalds 13490e476d91SHuacai Chenconfig CPU_LOONGSON3 13500e476d91SHuacai Chen bool "Loongson 3 CPU" 13510e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 13520e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13530e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13540e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13550e476d91SHuacai Chen select WEAK_ORDERING 13560e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1357cbfb3ea7SHuacai Chen select ARCH_REQUIRE_GPIOLIB 13580e476d91SHuacai Chen help 13590e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13600e476d91SHuacai Chen set with many extensions. 13610e476d91SHuacai Chen 13623702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13633702bba5SWu Zhangjin bool "Loongson 2E" 13643702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 13653702bba5SWu Zhangjin select CPU_LOONGSON2 13662a21c730SFuxin Zhang help 13672a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13682a21c730SFuxin Zhang with many extensions. 13692a21c730SFuxin Zhang 137025985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13716f7a251aSWu Zhangjin bonito64. 13726f7a251aSWu Zhangjin 13736f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13746f7a251aSWu Zhangjin bool "Loongson 2F" 13756f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 13766f7a251aSWu Zhangjin select CPU_LOONGSON2 1377c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 13786f7a251aSWu Zhangjin help 13796f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13806f7a251aSWu Zhangjin with many extensions. 13816f7a251aSWu Zhangjin 13826f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13836f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13846f7a251aSWu Zhangjin Loongson2E. 13856f7a251aSWu Zhangjin 1386ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1387ca585cf9SKelvin Cheung bool "Loongson 1B" 1388ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1389ca585cf9SKelvin Cheung select CPU_LOONGSON1 1390ca585cf9SKelvin Cheung help 1391ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1392ca585cf9SKelvin Cheung release 2 instruction set. 1393ca585cf9SKelvin Cheung 13946e760c8dSRalf Baechleconfig CPU_MIPS32_R1 13956e760c8dSRalf Baechle bool "MIPS32 Release 1" 13967cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 13976e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1398797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1399ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14006e760c8dSRalf Baechle help 14015e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14021e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14031e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14041e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14051e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14061e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14071e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14081e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14091e5f1caaSRalf Baechle performance. 14101e5f1caaSRalf Baechle 14111e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14121e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14137cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14141e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1415797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1416ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1417a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14182235a54dSSanjay Lal select HAVE_KVM 14191e5f1caaSRalf Baechle help 14205e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14216e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14226e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14236e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14246e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14251da177e4SLinus Torvalds 14267fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1427674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14287fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14297fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14307fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14317fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14327fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14334e0748f5SMarkos Chandras select GENERIC_CSUM 14347fd08ca5SLeonid Yegoshin select HAVE_KVM 14357fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14367fd08ca5SLeonid Yegoshin help 14377fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14387fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14397fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14407fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14417fd08ca5SLeonid Yegoshin 14426e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14436e760c8dSRalf Baechle bool "MIPS64 Release 1" 14447cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1445797798c1SRalf Baechle select CPU_HAS_PREFETCH 1446ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1447ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1448ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14499cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14506e760c8dSRalf Baechle help 14516e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14526e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14536e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14546e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14556e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14561e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14571e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14581e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14591e5f1caaSRalf Baechle performance. 14601e5f1caaSRalf Baechle 14611e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 14621e5f1caaSRalf Baechle bool "MIPS64 Release 2" 14637cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1464797798c1SRalf Baechle select CPU_HAS_PREFETCH 14651e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14661e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1467ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14689cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1469a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14701e5f1caaSRalf Baechle help 14711e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 14721e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14731e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14741e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14751e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14761da177e4SLinus Torvalds 14777fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1478674d10e2SMarkos Chandras bool "MIPS64 Release 6" 14797fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 14807fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14817fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14827fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 14837fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14847fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14854e0748f5SMarkos Chandras select GENERIC_CSUM 14864e9d324dSPaul Burton select MIPS_O32_FP64_SUPPORT if MIPS32_O32 14877fd08ca5SLeonid Yegoshin help 14887fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14897fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 14907fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 14917fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 14927fd08ca5SLeonid Yegoshin 14931da177e4SLinus Torvaldsconfig CPU_R3000 14941da177e4SLinus Torvalds bool "R3000" 14957cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1496f7062ddbSRalf Baechle select CPU_HAS_WB 1497ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1498797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14991da177e4SLinus Torvalds help 15001da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15011da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15021da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15031da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15041da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15051da177e4SLinus Torvalds try to recompile with R3000. 15061da177e4SLinus Torvalds 15071da177e4SLinus Torvaldsconfig CPU_TX39XX 15081da177e4SLinus Torvalds bool "R39XX" 15097cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1510ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15111da177e4SLinus Torvalds 15121da177e4SLinus Torvaldsconfig CPU_VR41XX 15131da177e4SLinus Torvalds bool "R41xx" 15147cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1515ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1516ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15171da177e4SLinus Torvalds help 15185e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15191da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15201da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15211da177e4SLinus Torvalds processor or vice versa. 15221da177e4SLinus Torvalds 15231da177e4SLinus Torvaldsconfig CPU_R4300 15241da177e4SLinus Torvalds bool "R4300" 15257cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1526ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1527ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15281da177e4SLinus Torvalds help 15291da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15301da177e4SLinus Torvalds 15311da177e4SLinus Torvaldsconfig CPU_R4X00 15321da177e4SLinus Torvalds bool "R4x00" 15337cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1534ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1535ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1536970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15371da177e4SLinus Torvalds help 15381da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15391da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15401da177e4SLinus Torvalds 15411da177e4SLinus Torvaldsconfig CPU_TX49XX 15421da177e4SLinus Torvalds bool "R49XX" 15437cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1544de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1545ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1546ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1547970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15481da177e4SLinus Torvalds 15491da177e4SLinus Torvaldsconfig CPU_R5000 15501da177e4SLinus Torvalds bool "R5000" 15517cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1552ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1553ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1554970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15551da177e4SLinus Torvalds help 15561da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 15571da177e4SLinus Torvalds 15581da177e4SLinus Torvaldsconfig CPU_R5432 15591da177e4SLinus Torvalds bool "R5432" 15607cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 15615e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15625e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1563970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15641da177e4SLinus Torvalds 1565542c1020SShinya Kuribayashiconfig CPU_R5500 1566542c1020SShinya Kuribayashi bool "R5500" 1567542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1568542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1569542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 15709cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1571542c1020SShinya Kuribayashi help 1572542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1573542c1020SShinya Kuribayashi instruction set. 1574542c1020SShinya Kuribayashi 15751da177e4SLinus Torvaldsconfig CPU_R6000 15761da177e4SLinus Torvalds bool "R6000" 15777cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1578ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15791da177e4SLinus Torvalds help 15801da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1581c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 15821da177e4SLinus Torvalds 15831da177e4SLinus Torvaldsconfig CPU_NEVADA 15841da177e4SLinus Torvalds bool "RM52xx" 15857cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1586ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1587ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1588970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15891da177e4SLinus Torvalds help 15901da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 15911da177e4SLinus Torvalds 15921da177e4SLinus Torvaldsconfig CPU_R8000 15931da177e4SLinus Torvalds bool "R8000" 15947cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 15955e83d430SRalf Baechle select CPU_HAS_PREFETCH 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15971da177e4SLinus Torvalds help 15981da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 15991da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16001da177e4SLinus Torvalds 16011da177e4SLinus Torvaldsconfig CPU_R10000 16021da177e4SLinus Torvalds bool "R10000" 16037cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16045e83d430SRalf Baechle select CPU_HAS_PREFETCH 1605ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1606ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1607797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1608970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16091da177e4SLinus Torvalds help 16101da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16111da177e4SLinus Torvalds 16121da177e4SLinus Torvaldsconfig CPU_RM7000 16131da177e4SLinus Torvalds bool "RM7000" 16147cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16155e83d430SRalf Baechle select CPU_HAS_PREFETCH 1616ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1617ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1618797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1619970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16201da177e4SLinus Torvalds 16211da177e4SLinus Torvaldsconfig CPU_SB1 16221da177e4SLinus Torvalds bool "SB1" 16237cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1624ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1625ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1626797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1627970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16280004a9dfSRalf Baechle select WEAK_ORDERING 16291da177e4SLinus Torvalds 1630a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1631a86c7f72SDavid Daney bool "Cavium Octeon processor" 16325e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1633a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1634a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1635a86c7f72SDavid Daney select WEAK_ORDERING 1636a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16379cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1638df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1639df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1640930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1641a86c7f72SDavid Daney help 1642a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1643a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1644a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1645a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1646a86c7f72SDavid Daney 1647cd746249SJonas Gorskiconfig CPU_BMIPS 1648cd746249SJonas Gorski bool "Broadcom BMIPS" 1649cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1650cd746249SJonas Gorski select CPU_MIPS32 1651fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1652cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1653cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1654cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1655cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1656cd746249SJonas Gorski select DMA_NONCOHERENT 165767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1658cd746249SJonas Gorski select SWAP_IO_SPACE 1659cd746249SJonas Gorski select WEAK_ORDERING 1660c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 166169aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1662c1c0c461SKevin Cernekee help 1663fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1664c1c0c461SKevin Cernekee 16657f058e85SJayachandran Cconfig CPU_XLR 16667f058e85SJayachandran C bool "Netlogic XLR SoC" 16677f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 16687f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16697f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16707f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1671970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16727f058e85SJayachandran C select WEAK_ORDERING 16737f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16747f058e85SJayachandran C help 16757f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 16761c773ea4SJayachandran C 16771c773ea4SJayachandran Cconfig CPU_XLP 16781c773ea4SJayachandran C bool "Netlogic XLP SoC" 16791c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 16801c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16811c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16821c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 16831c773ea4SJayachandran C select WEAK_ORDERING 16841c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16851c773ea4SJayachandran C select CPU_HAS_PREFETCH 1686d6504846SJayachandran C select CPU_MIPSR2 1687ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 16881c773ea4SJayachandran C help 16891c773ea4SJayachandran C Netlogic Microsystems XLP processors. 16901da177e4SLinus Torvaldsendchoice 16911da177e4SLinus Torvalds 1692a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1693a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1694a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 16957fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1696a6e18781SLeonid Yegoshin help 1697a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1698a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1699a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1700a6e18781SLeonid Yegoshin 1701a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1702a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1703a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1704a6e18781SLeonid Yegoshin select EVA 1705a6e18781SLeonid Yegoshin default y 1706a6e18781SLeonid Yegoshin help 1707a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1708a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1709a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1710a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1711a6e18781SLeonid Yegoshin 1712c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1713c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1714c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1715c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1716c5b36783SSteven J. Hill help 1717c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1718c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1719c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1720c5b36783SSteven J. Hill 1721c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1722c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1723c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1724c5b36783SSteven J. Hill depends on !EVA 1725c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1726c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1727c5b36783SSteven J. Hill select XPA 1728c5b36783SSteven J. Hill select HIGHMEM 1729c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1730c5b36783SSteven J. Hill default n 1731c5b36783SSteven J. Hill help 1732c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1733c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1734c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1735c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1736c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1737c5b36783SSteven J. Hill If unsure, say 'N' here. 1738c5b36783SSteven J. Hill 1739622844bfSWu Zhangjinif CPU_LOONGSON2F 1740622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1741622844bfSWu Zhangjin bool 1742622844bfSWu Zhangjin 1743622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1744622844bfSWu Zhangjin bool 1745622844bfSWu Zhangjin 1746622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1747622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1748622844bfSWu Zhangjin default y 1749622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1750622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1751622844bfSWu Zhangjin help 1752622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1753622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1754622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1755622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1756622844bfSWu Zhangjin 1757622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1758622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1759622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1760622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1761622844bfSWu Zhangjin systems. 1762622844bfSWu Zhangjin 1763622844bfSWu Zhangjin If unsure, please say Y. 1764622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1765622844bfSWu Zhangjin 17661b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 17671b93b3c3SWu Zhangjin bool 17681b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 17691b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 177031c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 17711b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1772fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 17734e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 17741b93b3c3SWu Zhangjin 17751b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 17761b93b3c3SWu Zhangjin bool 17771b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 17781b93b3c3SWu Zhangjin 1779dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1780dbb98314SAlban Bedel bool 1781dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1782dbb98314SAlban Bedel 17833702bba5SWu Zhangjinconfig CPU_LOONGSON2 17843702bba5SWu Zhangjin bool 17853702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 17863702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 17873702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1788970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17893702bba5SWu Zhangjin 1790ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1791ca585cf9SKelvin Cheung bool 1792ca585cf9SKelvin Cheung select CPU_MIPS32 1793ca585cf9SKelvin Cheung select CPU_MIPSR2 1794ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1795ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1796ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1797f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1798ca585cf9SKelvin Cheung 1799fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 180004fa8bf7SJonas Gorski select SMP_UP if SMP 18011bbb6c1bSKevin Cernekee bool 1802cd746249SJonas Gorski 1803cd746249SJonas Gorskiconfig CPU_BMIPS4350 1804cd746249SJonas Gorski bool 1805cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1806cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1807cd746249SJonas Gorski 1808cd746249SJonas Gorskiconfig CPU_BMIPS4380 1809cd746249SJonas Gorski bool 1810bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1811cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1812cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1813cd746249SJonas Gorski 1814cd746249SJonas Gorskiconfig CPU_BMIPS5000 1815cd746249SJonas Gorski bool 1816cd746249SJonas Gorski select MIPS_CPU_SCACHE 1817bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1818cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1819cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 18201bbb6c1bSKevin Cernekee 18210e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18220e476d91SHuacai Chen bool 18230e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 18240e476d91SHuacai Chen 18253702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18262a21c730SFuxin Zhang bool 18272a21c730SFuxin Zhang 18286f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18296f7a251aSWu Zhangjin bool 183055045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 183155045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 183222f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 18336f7a251aSWu Zhangjin 1834ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1835ca585cf9SKelvin Cheung bool 1836ca585cf9SKelvin Cheung 18377cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18387cf8053bSRalf Baechle bool 18397cf8053bSRalf Baechle 18407cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18417cf8053bSRalf Baechle bool 18427cf8053bSRalf Baechle 1843a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1844a6e18781SLeonid Yegoshin bool 1845a6e18781SLeonid Yegoshin 1846c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1847c5b36783SSteven J. Hill bool 1848c5b36783SSteven J. Hill 18497fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 18507fd08ca5SLeonid Yegoshin bool 18517fd08ca5SLeonid Yegoshin 18527cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 18537cf8053bSRalf Baechle bool 18547cf8053bSRalf Baechle 18557cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 18567cf8053bSRalf Baechle bool 18577cf8053bSRalf Baechle 18587fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 18597fd08ca5SLeonid Yegoshin bool 18607fd08ca5SLeonid Yegoshin 18617cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 18627cf8053bSRalf Baechle bool 18637cf8053bSRalf Baechle 18647cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 18657cf8053bSRalf Baechle bool 18667cf8053bSRalf Baechle 18677cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 18687cf8053bSRalf Baechle bool 18697cf8053bSRalf Baechle 18707cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 18717cf8053bSRalf Baechle bool 18727cf8053bSRalf Baechle 18737cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 18747cf8053bSRalf Baechle bool 18757cf8053bSRalf Baechle 18767cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 18777cf8053bSRalf Baechle bool 18787cf8053bSRalf Baechle 18797cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 18807cf8053bSRalf Baechle bool 18817cf8053bSRalf Baechle 18827cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 18837cf8053bSRalf Baechle bool 18847cf8053bSRalf Baechle 1885542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1886542c1020SShinya Kuribayashi bool 1887542c1020SShinya Kuribayashi 18887cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 18897cf8053bSRalf Baechle bool 18907cf8053bSRalf Baechle 18917cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 18927cf8053bSRalf Baechle bool 18937cf8053bSRalf Baechle 18947cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 18957cf8053bSRalf Baechle bool 18967cf8053bSRalf Baechle 18977cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 18987cf8053bSRalf Baechle bool 18997cf8053bSRalf Baechle 19007cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19017cf8053bSRalf Baechle bool 19027cf8053bSRalf Baechle 19037cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19047cf8053bSRalf Baechle bool 19057cf8053bSRalf Baechle 19065e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19075e683389SDavid Daney bool 19085e683389SDavid Daney 1909cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1910c1c0c461SKevin Cernekee bool 1911c1c0c461SKevin Cernekee 1912fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1913c1c0c461SKevin Cernekee bool 1914cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1915c1c0c461SKevin Cernekee 1916c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1917c1c0c461SKevin Cernekee bool 1918cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1919c1c0c461SKevin Cernekee 1920c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1921c1c0c461SKevin Cernekee bool 1922cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1923c1c0c461SKevin Cernekee 1924c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1925c1c0c461SKevin Cernekee bool 1926cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1927c1c0c461SKevin Cernekee 19287f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 19297f058e85SJayachandran C bool 19307f058e85SJayachandran C 19311c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 19321c773ea4SJayachandran C bool 19331c773ea4SJayachandran C 1934b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1935b6911bbaSPaul Burton depends on MIPS_MALTA 1936b6911bbaSPaul Burton depends on PCI 1937b6911bbaSPaul Burton bool 1938b6911bbaSPaul Burton default y 1939b6911bbaSPaul Burton 194017099b11SRalf Baechle# 194117099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 194217099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 194317099b11SRalf Baechle# 19440004a9dfSRalf Baechleconfig WEAK_ORDERING 19450004a9dfSRalf Baechle bool 194617099b11SRalf Baechle 194717099b11SRalf Baechle# 194817099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 194917099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 195017099b11SRalf Baechle# 195117099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 195217099b11SRalf Baechle bool 19535e83d430SRalf Baechleendmenu 19545e83d430SRalf Baechle 19555e83d430SRalf Baechle# 19565e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19575e83d430SRalf Baechle# 19585e83d430SRalf Baechleconfig CPU_MIPS32 19595e83d430SRalf Baechle bool 19607fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 19615e83d430SRalf Baechle 19625e83d430SRalf Baechleconfig CPU_MIPS64 19635e83d430SRalf Baechle bool 19647fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 19655e83d430SRalf Baechle 19665e83d430SRalf Baechle# 1967c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 19685e83d430SRalf Baechle# 19695e83d430SRalf Baechleconfig CPU_MIPSR1 19705e83d430SRalf Baechle bool 19715e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 19725e83d430SRalf Baechle 19735e83d430SRalf Baechleconfig CPU_MIPSR2 19745e83d430SRalf Baechle bool 1975a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1976a7e07b1aSMarkos Chandras select MIPS_SPRAM 19775e83d430SRalf Baechle 19787fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 19797fd08ca5SLeonid Yegoshin bool 19807fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 1981a7e07b1aSMarkos Chandras select MIPS_SPRAM 19825e83d430SRalf Baechle 1983a6e18781SLeonid Yegoshinconfig EVA 1984a6e18781SLeonid Yegoshin bool 1985a6e18781SLeonid Yegoshin 1986c5b36783SSteven J. Hillconfig XPA 1987c5b36783SSteven J. Hill bool 1988c5b36783SSteven J. Hill 19895e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 19905e83d430SRalf Baechle bool 19915e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 19925e83d430SRalf Baechle bool 19935e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 19945e83d430SRalf Baechle bool 19955e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 19965e83d430SRalf Baechle bool 199755045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 199855045ff5SWu Zhangjin bool 199955045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 200055045ff5SWu Zhangjin bool 20019cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20029cffd154SDavid Daney bool 200322f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 200422f1fdfdSWu Zhangjin bool 200582622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 200682622284SDavid Daney bool 2007d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 20085e83d430SRalf Baechle 20098192c9eaSDavid Daney# 20108192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20118192c9eaSDavid Daney# 20128192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20138192c9eaSDavid Daney bool 2014679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20158192c9eaSDavid Daney 20165e83d430SRalf Baechlemenu "Kernel type" 20175e83d430SRalf Baechle 20185e83d430SRalf Baechlechoice 20195e83d430SRalf Baechle prompt "Kernel code model" 20205e83d430SRalf Baechle help 20215e83d430SRalf Baechle You should only select this option if you have a workload that 20225e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20235e83d430SRalf Baechle large memory. You will only be presented a single option in this 20245e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20255e83d430SRalf Baechle 20265e83d430SRalf Baechleconfig 32BIT 20275e83d430SRalf Baechle bool "32-bit kernel" 20285e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20295e83d430SRalf Baechle select TRAD_SIGNALS 20305e83d430SRalf Baechle help 20315e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2032f17c4ca3SRalf Baechle 20335e83d430SRalf Baechleconfig 64BIT 20345e83d430SRalf Baechle bool "64-bit kernel" 20355e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20365e83d430SRalf Baechle help 20375e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 20385e83d430SRalf Baechle 20395e83d430SRalf Baechleendchoice 20405e83d430SRalf Baechle 20412235a54dSSanjay Lalconfig KVM_GUEST 20422235a54dSSanjay Lal bool "KVM Guest Kernel" 2043f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 20442235a54dSSanjay Lal help 2045caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2046caa1faa7SJames Hogan mode. 20472235a54dSSanjay Lal 2048eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2049eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 20502235a54dSSanjay Lal depends on KVM_GUEST 2051eda3d33cSJames Hogan default 100 20522235a54dSSanjay Lal help 2053eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2054eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2055eda3d33cSJames Hogan timer frequency is specified directly. 20562235a54dSSanjay Lal 20571da177e4SLinus Torvaldschoice 20581da177e4SLinus Torvalds prompt "Kernel page size" 20591da177e4SLinus Torvalds default PAGE_SIZE_4KB 20601da177e4SLinus Torvalds 20611da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 20621da177e4SLinus Torvalds bool "4kB" 20630e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 20641da177e4SLinus Torvalds help 20651da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 20661da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 20671da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 20681da177e4SLinus Torvalds recommended for low memory systems. 20691da177e4SLinus Torvalds 20701da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 20711da177e4SLinus Torvalds bool "8kB" 20727d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 20731da177e4SLinus Torvalds help 20741da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 20751da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2076c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2077c52399beSRalf Baechle suitable Linux distribution to support this. 20781da177e4SLinus Torvalds 20791da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 20801da177e4SLinus Torvalds bool "16kB" 2081714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 20821da177e4SLinus Torvalds help 20831da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 20841da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2085714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2086714bfad6SRalf Baechle Linux distribution to support this. 20871da177e4SLinus Torvalds 2088c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2089c52399beSRalf Baechle bool "32kB" 2090c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 2091c52399beSRalf Baechle help 2092c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2093c52399beSRalf Baechle the price of higher memory consumption. This option is available 2094c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2095c52399beSRalf Baechle distribution to support this. 2096c52399beSRalf Baechle 20971da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 20981da177e4SLinus Torvalds bool "64kB" 209974c81ecdSRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000 21001da177e4SLinus Torvalds help 21011da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21021da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21031da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2104714bfad6SRalf Baechle writing this option is still high experimental. 21051da177e4SLinus Torvalds 21061da177e4SLinus Torvaldsendchoice 21071da177e4SLinus Torvalds 2108c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2109c9bace7cSDavid Daney int "Maximum zone order" 2110e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2111e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2112e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2113e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2114e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2115e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2116c9bace7cSDavid Daney range 11 64 2117c9bace7cSDavid Daney default "11" 2118c9bace7cSDavid Daney help 2119c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2120c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2121c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2122c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2123c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2124c9bace7cSDavid Daney increase this value. 2125c9bace7cSDavid Daney 2126c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2127c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2128c9bace7cSDavid Daney 2129c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2130c9bace7cSDavid Daney when choosing a value for this option. 2131c9bace7cSDavid Daney 21321da177e4SLinus Torvaldsconfig BOARD_SCACHE 21331da177e4SLinus Torvalds bool 21341da177e4SLinus Torvalds 21351da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 21361da177e4SLinus Torvalds bool 21371da177e4SLinus Torvalds select BOARD_SCACHE 21381da177e4SLinus Torvalds 21399318c51aSChris Dearman# 21409318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 21419318c51aSChris Dearman# 21429318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 21439318c51aSChris Dearman bool 21449318c51aSChris Dearman select BOARD_SCACHE 21459318c51aSChris Dearman 21461da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 21471da177e4SLinus Torvalds bool 21481da177e4SLinus Torvalds select BOARD_SCACHE 21491da177e4SLinus Torvalds 21501da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 21511da177e4SLinus Torvalds bool 21521da177e4SLinus Torvalds select BOARD_SCACHE 21531da177e4SLinus Torvalds 21541da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 21551da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 21561da177e4SLinus Torvalds depends on CPU_SB1 21571da177e4SLinus Torvalds help 21581da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 21591da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 21601da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 21611da177e4SLinus Torvalds 21621da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2163c8094b53SRalf Baechle bool 21641da177e4SLinus Torvalds 21653165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 21663165c846SFlorian Fainelli bool 21673165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 21683165c846SFlorian Fainelli 216991405eb6SFlorian Fainelliconfig CPU_R4K_FPU 217091405eb6SFlorian Fainelli bool 217191405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 217291405eb6SFlorian Fainelli 217362cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 217462cedc4fSFlorian Fainelli bool 217562cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 217662cedc4fSFlorian Fainelli 217759d6ab86SRalf Baechleconfig MIPS_MT_SMP 2178a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 21795676319cSMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 218059d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2181d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2182c080faa5SSteven J. Hill select SYNC_R4K 218359d6ab86SRalf Baechle select MIPS_MT 218459d6ab86SRalf Baechle select SMP 218587353d8aSRalf Baechle select SMP_UP 2186c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2187c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2188399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 218959d6ab86SRalf Baechle help 2190c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2191c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2192c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2193c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2194c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 219559d6ab86SRalf Baechle 2196f41ae0b2SRalf Baechleconfig MIPS_MT 2197f41ae0b2SRalf Baechle bool 2198f41ae0b2SRalf Baechle 21990ab7aefcSRalf Baechleconfig SCHED_SMT 22000ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22010ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22020ab7aefcSRalf Baechle default n 22030ab7aefcSRalf Baechle help 22040ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 22050ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 22060ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 22070ab7aefcSRalf Baechle 22080ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22090ab7aefcSRalf Baechle bool 22100ab7aefcSRalf Baechle 2211f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2212f41ae0b2SRalf Baechle bool 2213f41ae0b2SRalf Baechle 2214f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2215f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2216f088fc84SRalf Baechle default y 2217b633648cSRalf Baechle depends on MIPS_MT_SMP 221807cc0c9eSRalf Baechle 2219b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2220b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 2221b0a668fbSLeonid Yegoshin depends on CPU_MIPSR6 && !SMP 2222b0a668fbSLeonid Yegoshin default y 2223b0a668fbSLeonid Yegoshin help 2224b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2225b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 222607edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2227b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2228b0a668fbSLeonid Yegoshin final kernel image. 2229b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels" 2230b0a668fbSLeonid Yegoshin depends on SMP && CPU_MIPSR6 2231b0a668fbSLeonid Yegoshin 223207cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 223307cc0c9eSRalf Baechle bool "VPE loader support." 2234704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 223507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 223607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 223707cc0c9eSRalf Baechle select MIPS_MT 223807cc0c9eSRalf Baechle help 223907cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 224007cc0c9eSRalf Baechle onto another VPE and running it. 2241f088fc84SRalf Baechle 224217a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 224317a1d523SDeng-Cheng Zhu bool 224417a1d523SDeng-Cheng Zhu default "y" 224517a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 224617a1d523SDeng-Cheng Zhu 22471a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 22481a2a6d7eSDeng-Cheng Zhu bool 22491a2a6d7eSDeng-Cheng Zhu default "y" 22501a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 22511a2a6d7eSDeng-Cheng Zhu 2252e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2253e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2254e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2255e01402b1SRalf Baechle default y 2256e01402b1SRalf Baechle help 2257e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2258e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2259e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2260e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2261e01402b1SRalf Baechle 2262e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2263e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2264e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 22655e83d430SRalf Baechle help 2266e01402b1SRalf Baechle 2267da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2268da615cf6SDeng-Cheng Zhu bool 2269da615cf6SDeng-Cheng Zhu default "y" 2270da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2271da615cf6SDeng-Cheng Zhu 22722c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 22732c973ef0SDeng-Cheng Zhu bool 22742c973ef0SDeng-Cheng Zhu default "y" 22752c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 22762c973ef0SDeng-Cheng Zhu 22774a16ff4cSRalf Baechleconfig MIPS_CMP 22785cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 22795676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2280b10b43baSMarkos Chandras select SMP 2281eb9b5141STim Anderson select SYNC_R4K 2282b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 22834a16ff4cSRalf Baechle select WEAK_ORDERING 22844a16ff4cSRalf Baechle default n 22854a16ff4cSRalf Baechle help 2286044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2287044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2288044505c7SPaul Burton its ability to start secondary CPUs. 22894a16ff4cSRalf Baechle 22905cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 22915cac93b3SPaul Burton instead of this. 22925cac93b3SPaul Burton 22930ee958e1SPaul Burtonconfig MIPS_CPS 22940ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 22955a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 22960ee958e1SPaul Burton select MIPS_CM 22970ee958e1SPaul Burton select MIPS_CPC 22981d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 22990ee958e1SPaul Burton select SMP 23000ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 23011d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 23020ee958e1SPaul Burton select SYS_SUPPORTS_SMP 23030ee958e1SPaul Burton select WEAK_ORDERING 23040ee958e1SPaul Burton help 23050ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 23060ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 23070ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 23080ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 23090ee958e1SPaul Burton support is unavailable. 23100ee958e1SPaul Burton 23113179d37eSPaul Burtonconfig MIPS_CPS_PM 231239a59593SMarkos Chandras depends on MIPS_CPS 2313a8b84677SPaul Burton select MIPS_CPC 23143179d37eSPaul Burton bool 23153179d37eSPaul Burton 23169f98f3ddSPaul Burtonconfig MIPS_CM 23179f98f3ddSPaul Burton bool 23189f98f3ddSPaul Burton 23199c38cf44SPaul Burtonconfig MIPS_CPC 23209c38cf44SPaul Burton bool 23212600990eSRalf Baechle 23221da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 23231da177e4SLinus Torvalds bool 23241da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 23251da177e4SLinus Torvalds default y 23261da177e4SLinus Torvalds 23271da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 23281da177e4SLinus Torvalds bool 23291da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 23301da177e4SLinus Torvalds default y 23311da177e4SLinus Torvalds 23322235a54dSSanjay Lal 233360ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 233434adb28dSRalf Baechle bool 233560ec6571Spascal@pabr.org 23369e2b5372SMarkos Chandraschoice 23379e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 23389e2b5372SMarkos Chandras 23399e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 23409e2b5372SMarkos Chandras bool "None" 23419e2b5372SMarkos Chandras help 23429e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 23439e2b5372SMarkos Chandras 23449693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 23459693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 23469e2b5372SMarkos Chandras bool "SmartMIPS" 23479693a853SFranck Bui-Huu help 23489693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 23499693a853SFranck Bui-Huu increased security at both hardware and software level for 23509693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 23519693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 23529693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 23539693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 23549693a853SFranck Bui-Huu here. 23559693a853SFranck Bui-Huu 2356bce86083SSteven J. Hillconfig CPU_MICROMIPS 23577fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 23589e2b5372SMarkos Chandras bool "microMIPS" 2359bce86083SSteven J. Hill help 2360bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2361bce86083SSteven J. Hill microMIPS ISA 2362bce86083SSteven J. Hill 23639e2b5372SMarkos Chandrasendchoice 23649e2b5372SMarkos Chandras 2365a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 23660ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2367a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 23682a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2369a5e9a69eSPaul Burton help 2370a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2371a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 23721db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 23731db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 23741db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 23751db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 23761db1af84SPaul Burton the size & complexity of your kernel. 2377a5e9a69eSPaul Burton 2378a5e9a69eSPaul Burton If unsure, say Y. 2379a5e9a69eSPaul Burton 23801da177e4SLinus Torvaldsconfig CPU_HAS_WB 2381f7062ddbSRalf Baechle bool 2382e01402b1SRalf Baechle 2383df0ac8a4SKevin Cernekeeconfig XKS01 2384df0ac8a4SKevin Cernekee bool 2385df0ac8a4SKevin Cernekee 2386f41ae0b2SRalf Baechle# 2387f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2388f41ae0b2SRalf Baechle# 2389e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2390f41ae0b2SRalf Baechle bool 2391e01402b1SRalf Baechle 2392f41ae0b2SRalf Baechle# 2393f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2394f41ae0b2SRalf Baechle# 2395e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2396f41ae0b2SRalf Baechle bool 2397e01402b1SRalf Baechle 23981da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 23991da177e4SLinus Torvalds bool 24001da177e4SLinus Torvalds depends on !CPU_R3000 24011da177e4SLinus Torvalds default y 24021da177e4SLinus Torvalds 24031da177e4SLinus Torvalds# 240420d60d99SMaciej W. Rozycki# CPU non-features 240520d60d99SMaciej W. Rozycki# 240620d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 240720d60d99SMaciej W. Rozycki bool 240820d60d99SMaciej W. Rozycki 240920d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 241020d60d99SMaciej W. Rozycki bool 241120d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 241220d60d99SMaciej W. Rozycki 241320d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 241420d60d99SMaciej W. Rozycki bool 241520d60d99SMaciej W. Rozycki 241620d60d99SMaciej W. Rozycki# 24171da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 24181da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 24191da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 24201da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 24211da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 24221da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 24231da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 24241da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2425797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2426797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2427797798c1SRalf Baechle# support. 24281da177e4SLinus Torvalds# 24291da177e4SLinus Torvaldsconfig HIGHMEM 24301da177e4SLinus Torvalds bool "High Memory Support" 2431a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2432797798c1SRalf Baechle 2433797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2434797798c1SRalf Baechle bool 2435797798c1SRalf Baechle 2436797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2437797798c1SRalf Baechle bool 24381da177e4SLinus Torvalds 24399693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 24409693a853SFranck Bui-Huu bool 24419693a853SFranck Bui-Huu 2442a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2443a6a4834cSSteven J. Hill bool 2444a6a4834cSSteven J. Hill 2445377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2446377cb1b6SRalf Baechle bool 2447377cb1b6SRalf Baechle help 2448377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2449377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2450377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2451377cb1b6SRalf Baechle 2452a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2453a5e9a69eSPaul Burton bool 2454a5e9a69eSPaul Burton 2455b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2456b4819b59SYoichi Yuasa def_bool y 2457f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2458b4819b59SYoichi Yuasa 2459d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2460d8cb4e11SRalf Baechle bool 2461d8cb4e11SRalf Baechle default y if SGI_IP27 2462d8cb4e11SRalf Baechle help 24633dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2464d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2465d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2466d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2467d8cb4e11SRalf Baechle 2468b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2469b1c6cd42SAtsushi Nemoto bool 24707de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 247131473747SAtsushi Nemoto 2472d8cb4e11SRalf Baechleconfig NUMA 2473d8cb4e11SRalf Baechle bool "NUMA Support" 2474d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2475d8cb4e11SRalf Baechle help 2476d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2477d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2478d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2479d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2480d8cb4e11SRalf Baechle disabled. 2481d8cb4e11SRalf Baechle 2482d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2483d8cb4e11SRalf Baechle bool 2484d8cb4e11SRalf Baechle 2485*8c530ea3SMatt Redfearnconfig RELOCATABLE 2486*8c530ea3SMatt Redfearn bool "Relocatable kernel" 2487*8c530ea3SMatt Redfearn depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6) 2488*8c530ea3SMatt Redfearn help 2489*8c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 2490*8c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 2491*8c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 2492*8c530ea3SMatt Redfearn but are discarded at runtime 2493*8c530ea3SMatt Redfearn 2494069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2495069fd766SMatt Redfearn hex "Relocation table size" 2496069fd766SMatt Redfearn depends on RELOCATABLE 2497069fd766SMatt Redfearn range 0x0 0x01000000 2498069fd766SMatt Redfearn default "0x00100000" 2499069fd766SMatt Redfearn ---help--- 2500069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2501069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2502069fd766SMatt Redfearn 2503069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2504069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2505069fd766SMatt Redfearn 2506069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2507069fd766SMatt Redfearn 2508069fd766SMatt Redfearn If unsure, leave at the default value. 2509069fd766SMatt Redfearn 2510c80d79d7SYasunori Gotoconfig NODES_SHIFT 2511c80d79d7SYasunori Goto int 2512c80d79d7SYasunori Goto default "6" 2513c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2514c80d79d7SYasunori Goto 251514f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 251614f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2517f14ceff7SHuacai Chen depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 251814f70012SDeng-Cheng Zhu default y 251914f70012SDeng-Cheng Zhu help 252014f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 252114f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 252214f70012SDeng-Cheng Zhu 2523b4819b59SYoichi Yuasasource "mm/Kconfig" 2524b4819b59SYoichi Yuasa 25251da177e4SLinus Torvaldsconfig SMP 25261da177e4SLinus Torvalds bool "Multi-Processing support" 2527e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2528e73ea273SRalf Baechle help 25291da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 25304a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 25314a474157SRobert Graffham than one CPU, say Y. 25321da177e4SLinus Torvalds 25334a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 25341da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 25351da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 25364a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 25371da177e4SLinus Torvalds will run faster if you say N here. 25381da177e4SLinus Torvalds 25391da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 25401da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 25411da177e4SLinus Torvalds 254203502faaSAdrian Bunk See also the SMP-HOWTO available at 254303502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 25441da177e4SLinus Torvalds 25451da177e4SLinus Torvalds If you don't know what to do here, say N. 25461da177e4SLinus Torvalds 254787353d8aSRalf Baechleconfig SMP_UP 254887353d8aSRalf Baechle bool 254987353d8aSRalf Baechle 25504a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 25514a16ff4cSRalf Baechle bool 25524a16ff4cSRalf Baechle 25530ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 25540ee958e1SPaul Burton bool 25550ee958e1SPaul Burton 2556e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2557e73ea273SRalf Baechle bool 2558e73ea273SRalf Baechle 2559130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2560130e2fb7SRalf Baechle bool 2561130e2fb7SRalf Baechle 2562130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2563130e2fb7SRalf Baechle bool 2564130e2fb7SRalf Baechle 2565130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2566130e2fb7SRalf Baechle bool 2567130e2fb7SRalf Baechle 2568130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2569130e2fb7SRalf Baechle bool 2570130e2fb7SRalf Baechle 2571130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2572130e2fb7SRalf Baechle bool 2573130e2fb7SRalf Baechle 25741da177e4SLinus Torvaldsconfig NR_CPUS 2575a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2576a91796a9SJayachandran C range 2 256 25771da177e4SLinus Torvalds depends on SMP 2578130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2579130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2580130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2581130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2582130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 25831da177e4SLinus Torvalds help 25841da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 25851da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 25861da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 258772ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 258872ede9b1SAtsushi Nemoto and 2 for all others. 25891da177e4SLinus Torvalds 25901da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 259172ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 259272ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 259372ede9b1SAtsushi Nemoto power of two. 25941da177e4SLinus Torvalds 2595399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2596399aaa25SAl Cooper bool 2597399aaa25SAl Cooper 25981723b4a3SAtsushi Nemoto# 25991723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 26001723b4a3SAtsushi Nemoto# 26011723b4a3SAtsushi Nemoto 26021723b4a3SAtsushi Nemotochoice 26031723b4a3SAtsushi Nemoto prompt "Timer frequency" 26041723b4a3SAtsushi Nemoto default HZ_250 26051723b4a3SAtsushi Nemoto help 26061723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 26071723b4a3SAtsushi Nemoto 260867596573SPaul Burton config HZ_24 260967596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 261067596573SPaul Burton 26111723b4a3SAtsushi Nemoto config HZ_48 26120f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 26131723b4a3SAtsushi Nemoto 26141723b4a3SAtsushi Nemoto config HZ_100 26151723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 26161723b4a3SAtsushi Nemoto 26171723b4a3SAtsushi Nemoto config HZ_128 26181723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 26191723b4a3SAtsushi Nemoto 26201723b4a3SAtsushi Nemoto config HZ_250 26211723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 26221723b4a3SAtsushi Nemoto 26231723b4a3SAtsushi Nemoto config HZ_256 26241723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 26251723b4a3SAtsushi Nemoto 26261723b4a3SAtsushi Nemoto config HZ_1000 26271723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 26281723b4a3SAtsushi Nemoto 26291723b4a3SAtsushi Nemoto config HZ_1024 26301723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 26311723b4a3SAtsushi Nemoto 26321723b4a3SAtsushi Nemotoendchoice 26331723b4a3SAtsushi Nemoto 263467596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 263567596573SPaul Burton bool 263667596573SPaul Burton 26371723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 26381723b4a3SAtsushi Nemoto bool 26391723b4a3SAtsushi Nemoto 26401723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 26411723b4a3SAtsushi Nemoto bool 26421723b4a3SAtsushi Nemoto 26431723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 26441723b4a3SAtsushi Nemoto bool 26451723b4a3SAtsushi Nemoto 26461723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 26471723b4a3SAtsushi Nemoto bool 26481723b4a3SAtsushi Nemoto 26491723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 26501723b4a3SAtsushi Nemoto bool 26511723b4a3SAtsushi Nemoto 26521723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 26531723b4a3SAtsushi Nemoto bool 26541723b4a3SAtsushi Nemoto 26551723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 26561723b4a3SAtsushi Nemoto bool 26571723b4a3SAtsushi Nemoto 26581723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 26591723b4a3SAtsushi Nemoto bool 266067596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 266167596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 266267596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 266367596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 266467596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 266567596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 266667596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 26671723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 26681723b4a3SAtsushi Nemoto 26691723b4a3SAtsushi Nemotoconfig HZ 26701723b4a3SAtsushi Nemoto int 267167596573SPaul Burton default 24 if HZ_24 26721723b4a3SAtsushi Nemoto default 48 if HZ_48 26731723b4a3SAtsushi Nemoto default 100 if HZ_100 26741723b4a3SAtsushi Nemoto default 128 if HZ_128 26751723b4a3SAtsushi Nemoto default 250 if HZ_250 26761723b4a3SAtsushi Nemoto default 256 if HZ_256 26771723b4a3SAtsushi Nemoto default 1000 if HZ_1000 26781723b4a3SAtsushi Nemoto default 1024 if HZ_1024 26791723b4a3SAtsushi Nemoto 268096685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 268196685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 268296685b17SDeng-Cheng Zhu 2683e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 26841da177e4SLinus Torvalds 2685ea6e942bSAtsushi Nemotoconfig KEXEC 26867d60717eSKees Cook bool "Kexec system call" 26872965faa5SDave Young select KEXEC_CORE 2688ea6e942bSAtsushi Nemoto help 2689ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2690ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 26913dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2692ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2693ea6e942bSAtsushi Nemoto 269401dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2695ea6e942bSAtsushi Nemoto 2696ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2697ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2698bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2699bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2700bf220695SGeert Uytterhoeven made. 2701ea6e942bSAtsushi Nemoto 27027aa1c8f4SRalf Baechleconfig CRASH_DUMP 27037aa1c8f4SRalf Baechle bool "Kernel crash dumps" 27047aa1c8f4SRalf Baechle help 27057aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 27067aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 27077aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 27087aa1c8f4SRalf Baechle a specially reserved region and then later executed after 27097aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 27107aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 27117aa1c8f4SRalf Baechle PHYSICAL_START. 27127aa1c8f4SRalf Baechle 27137aa1c8f4SRalf Baechleconfig PHYSICAL_START 27147aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 27157aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 27167aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 27177aa1c8f4SRalf Baechle depends on CRASH_DUMP 27187aa1c8f4SRalf Baechle help 27197aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 27207aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 27217aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 27227aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 27237aa1c8f4SRalf Baechle passed to the panic-ed kernel). 27247aa1c8f4SRalf Baechle 2725ea6e942bSAtsushi Nemotoconfig SECCOMP 2726ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2727293c5bd1SRalf Baechle depends on PROC_FS 2728ea6e942bSAtsushi Nemoto default y 2729ea6e942bSAtsushi Nemoto help 2730ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2731ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2732ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2733ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2734ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2735ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2736ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2737ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2738ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2739ea6e942bSAtsushi Nemoto 2740ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2741ea6e942bSAtsushi Nemoto 2742597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 27430ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2744597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2745597ce172SPaul Burton help 2746597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2747597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2748597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2749597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2750597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2751597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2752597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2753597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2754597ce172SPaul Burton saying N here. 2755597ce172SPaul Burton 275606e2e882SPaul Burton Although binutils currently supports use of this flag the details 275706e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 275806e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 275906e2e882SPaul Burton behaviour before the details have been finalised, this option should 276006e2e882SPaul Burton be considered experimental and only enabled by those working upon 276106e2e882SPaul Burton said details. 276206e2e882SPaul Burton 276306e2e882SPaul Burton If unsure, say N. 2764597ce172SPaul Burton 2765f2ffa5abSDezhong Diaoconfig USE_OF 27660b3e06fdSJonas Gorski bool 2767f2ffa5abSDezhong Diao select OF 2768e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2769abd2363fSGrant Likely select IRQ_DOMAIN 2770f2ffa5abSDezhong Diao 27717fafb068SAndrew Brestickerconfig BUILTIN_DTB 27727fafb068SAndrew Bresticker bool 27737fafb068SAndrew Bresticker 27741da8f179SJonas Gorskichoice 27755b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 27761da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 27771da8f179SJonas Gorski 27781da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 27791da8f179SJonas Gorski bool "None" 27801da8f179SJonas Gorski help 27811da8f179SJonas Gorski Do not enable appended dtb support. 27821da8f179SJonas Gorski 278387db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 278487db537dSAaro Koskinen bool "vmlinux" 278587db537dSAaro Koskinen help 278687db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 278787db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 278887db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 278987db537dSAaro Koskinen objcopy: 279087db537dSAaro Koskinen 279187db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 279287db537dSAaro Koskinen 279387db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 279487db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 279587db537dSAaro Koskinen the documented boot protocol using a device tree. 279687db537dSAaro Koskinen 27971da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 27981da8f179SJonas Gorski bool "vmlinux.bin" 27991da8f179SJonas Gorski help 28001da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 28011da8f179SJonas Gorski DTB) appended to raw vmlinux.bin (without decompressor). 28021da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 28031da8f179SJonas Gorski 28041da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 28051da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 28061da8f179SJonas Gorski the documented boot protocol using a device tree. 28071da8f179SJonas Gorski 28081da8f179SJonas Gorski Beware that there is very little in terms of protection against 28091da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 28101da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 28111da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 28121da8f179SJonas Gorski if you don't intend to always append a DTB. 2813c0b4e101SJonas Gorski 2814c0b4e101SJonas Gorski config MIPS_ZBOOT_APPENDED_DTB 2815c0b4e101SJonas Gorski bool "vmlinuz.bin" 2816c0b4e101SJonas Gorski depends on SYS_SUPPORTS_ZBOOT 2817c0b4e101SJonas Gorski help 2818c0b4e101SJonas Gorski With this option, the boot code will look for a device tree binary 2819c0b4e101SJonas Gorski DTB) appended to raw vmlinuz.bin (with decompressor). 2820c0b4e101SJonas Gorski (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb). 2821c0b4e101SJonas Gorski 2822c0b4e101SJonas Gorski This is meant as a backward compatibility convenience for those 2823c0b4e101SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 2824c0b4e101SJonas Gorski the documented boot protocol using a device tree. 2825c0b4e101SJonas Gorski 2826c0b4e101SJonas Gorski Beware that there is very little in terms of protection against 2827c0b4e101SJonas Gorski this option being confused by leftover garbage in memory that might 2828c0b4e101SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 2829c0b4e101SJonas Gorski to vmlinuz.bin. Do not leave this option active in a production kernel 2830c0b4e101SJonas Gorski if you don't intend to always append a DTB. 28311da8f179SJonas Gorskiendchoice 28321da8f179SJonas Gorski 28332024972eSJonas Gorskichoice 28342024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 28352bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 28362bcef9b4SJonas Gorski !MIPS_MALTA && !MIPS_SEAD3 && \ 28372bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 28382024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 28392024972eSJonas Gorski 28402024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 28412024972eSJonas Gorski depends on USE_OF 28422024972eSJonas Gorski bool "Dtb kernel arguments if available" 28432024972eSJonas Gorski 28442024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 28452024972eSJonas Gorski depends on USE_OF 28462024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 28472024972eSJonas Gorski 28482024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 28492024972eSJonas Gorski bool "Bootloader kernel arguments if available" 28502024972eSJonas Gorskiendchoice 28512024972eSJonas Gorski 28525e83d430SRalf Baechleendmenu 28535e83d430SRalf Baechle 28541df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 28551df0f0ffSAtsushi Nemoto bool 28561df0f0ffSAtsushi Nemoto default y 28571df0f0ffSAtsushi Nemoto 28581df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 28591df0f0ffSAtsushi Nemoto bool 28601df0f0ffSAtsushi Nemoto default y 28611df0f0ffSAtsushi Nemoto 2862e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 2863e1e16115SAaro Koskinen bool 2864e1e16115SAaro Koskinen default y 2865e1e16115SAaro Koskinen 2866a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2867a728ab52SKirill A. Shutemov int 2868a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2869a728ab52SKirill A. Shutemov default 2 2870a728ab52SKirill A. Shutemov 2871b6c3539bSRalf Baechlesource "init/Kconfig" 2872b6c3539bSRalf Baechle 2873dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2874dc52ddc0SMatt Helsley 28751da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 28761da177e4SLinus Torvalds 28775e83d430SRalf Baechleconfig HW_HAS_EISA 28785e83d430SRalf Baechle bool 28791da177e4SLinus Torvaldsconfig HW_HAS_PCI 28801da177e4SLinus Torvalds bool 28811da177e4SLinus Torvalds 28821da177e4SLinus Torvaldsconfig PCI 28831da177e4SLinus Torvalds bool "Support for PCI controller" 28841da177e4SLinus Torvalds depends on HW_HAS_PCI 2885abb4ae46SRalf Baechle select PCI_DOMAINS 28860f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 28871da177e4SLinus Torvalds help 28881da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 28891da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 28901da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 28911da177e4SLinus Torvalds say Y, otherwise N. 28921da177e4SLinus Torvalds 28930e476d91SHuacai Chenconfig HT_PCI 28940e476d91SHuacai Chen bool "Support for HT-linked PCI" 28950e476d91SHuacai Chen default y 28960e476d91SHuacai Chen depends on CPU_LOONGSON3 28970e476d91SHuacai Chen select PCI 28980e476d91SHuacai Chen select PCI_DOMAINS 28990e476d91SHuacai Chen help 29000e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 29010e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 29020e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 29030e476d91SHuacai Chen 29041da177e4SLinus Torvaldsconfig PCI_DOMAINS 29051da177e4SLinus Torvalds bool 29061da177e4SLinus Torvalds 29071da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 29081da177e4SLinus Torvalds 29091da177e4SLinus Torvalds# 29101da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 29111da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 29121da177e4SLinus Torvalds# users to choose the right thing ... 29131da177e4SLinus Torvalds# 29141da177e4SLinus Torvaldsconfig ISA 29151da177e4SLinus Torvalds bool 29161da177e4SLinus Torvalds 29171da177e4SLinus Torvaldsconfig EISA 29181da177e4SLinus Torvalds bool "EISA support" 29195e83d430SRalf Baechle depends on HW_HAS_EISA 29201da177e4SLinus Torvalds select ISA 2921aa414dffSRalf Baechle select GENERIC_ISA_DMA 29221da177e4SLinus Torvalds ---help--- 29231da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 29241da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 29251da177e4SLinus Torvalds 29261da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 29271da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 29281da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 29291da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 29301da177e4SLinus Torvalds 29311da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 29321da177e4SLinus Torvalds 29331da177e4SLinus Torvalds Otherwise, say N. 29341da177e4SLinus Torvalds 29351da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 29361da177e4SLinus Torvalds 29371da177e4SLinus Torvaldsconfig TC 29381da177e4SLinus Torvalds bool "TURBOchannel support" 29391da177e4SLinus Torvalds depends on MACH_DECSTATION 29401da177e4SLinus Torvalds help 294150a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 294250a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 294350a23e6eSJustin P. Mattock at: 294450a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 294550a23e6eSJustin P. Mattock and: 294650a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 294750a23e6eSJustin P. Mattock Linux driver support status is documented at: 294850a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 29491da177e4SLinus Torvalds 29501da177e4SLinus Torvaldsconfig MMU 29511da177e4SLinus Torvalds bool 29521da177e4SLinus Torvalds default y 29531da177e4SLinus Torvalds 2954d865bea4SRalf Baechleconfig I8253 2955d865bea4SRalf Baechle bool 2956798778b8SRussell King select CLKSRC_I8253 29572d02612fSThomas Gleixner select CLKEVT_I8253 29589726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2959d865bea4SRalf Baechle 2960e05eb3f8SRalf Baechleconfig ZONE_DMA 2961e05eb3f8SRalf Baechle bool 2962e05eb3f8SRalf Baechle 2963cce335aeSRalf Baechleconfig ZONE_DMA32 2964cce335aeSRalf Baechle bool 2965cce335aeSRalf Baechle 29661da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 29671da177e4SLinus Torvalds 2968388b78adSAlexandre Bounineconfig RAPIDIO 296956abde72SAlexandre Bounine tristate "RapidIO support" 2970388b78adSAlexandre Bounine depends on PCI 2971388b78adSAlexandre Bounine default n 2972388b78adSAlexandre Bounine help 2973388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2974388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2975388b78adSAlexandre Bounine 2976388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2977388b78adSAlexandre Bounine 29781da177e4SLinus Torvaldsendmenu 29791da177e4SLinus Torvalds 29801da177e4SLinus Torvaldsmenu "Executable file formats" 29811da177e4SLinus Torvalds 29821da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 29831da177e4SLinus Torvalds 29841da177e4SLinus Torvaldsconfig TRAD_SIGNALS 29851da177e4SLinus Torvalds bool 29861da177e4SLinus Torvalds 29871da177e4SLinus Torvaldsconfig MIPS32_COMPAT 298878aaf956SRalf Baechle bool 29891da177e4SLinus Torvalds 29901da177e4SLinus Torvaldsconfig COMPAT 29911da177e4SLinus Torvalds bool 29921da177e4SLinus Torvalds 299305e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 299405e43966SAtsushi Nemoto bool 299505e43966SAtsushi Nemoto 29961da177e4SLinus Torvaldsconfig MIPS32_O32 29971da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 299878aaf956SRalf Baechle depends on 64BIT 299978aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 300078aaf956SRalf Baechle select COMPAT 300178aaf956SRalf Baechle select MIPS32_COMPAT 300278aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 30031da177e4SLinus Torvalds help 30041da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 30051da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 30061da177e4SLinus Torvalds existing binaries are in this format. 30071da177e4SLinus Torvalds 30081da177e4SLinus Torvalds If unsure, say Y. 30091da177e4SLinus Torvalds 30101da177e4SLinus Torvaldsconfig MIPS32_N32 30111da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3012c22eacfeSRalf Baechle depends on 64BIT 301378aaf956SRalf Baechle select COMPAT 301478aaf956SRalf Baechle select MIPS32_COMPAT 301578aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 30161da177e4SLinus Torvalds help 30171da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 30181da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 30191da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 30201da177e4SLinus Torvalds cases. 30211da177e4SLinus Torvalds 30221da177e4SLinus Torvalds If unsure, say N. 30231da177e4SLinus Torvalds 30241da177e4SLinus Torvaldsconfig BINFMT_ELF32 30251da177e4SLinus Torvalds bool 30261da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 30271da177e4SLinus Torvalds 30282116245eSRalf Baechleendmenu 30291da177e4SLinus Torvalds 30302116245eSRalf Baechlemenu "Power management options" 3031952fa954SRodolfo Giometti 3032363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3033363c55caSWu Zhangjin def_bool y 30343f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3035363c55caSWu Zhangjin 3036f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3037f4cb5700SJohannes Berg def_bool y 30383f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3039f4cb5700SJohannes Berg 30402116245eSRalf Baechlesource "kernel/power/Kconfig" 3041952fa954SRodolfo Giometti 30421da177e4SLinus Torvaldsendmenu 30431da177e4SLinus Torvalds 30447a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 30457a998935SViresh Kumar bool 30467a998935SViresh Kumar 30477a998935SViresh Kumarmenu "CPU Power Management" 3048c095ebafSPaul Burton 3049c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 30507a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 30517a998935SViresh Kumarendif 30529726b43aSWu Zhangjin 3053c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3054c095ebafSPaul Burton 3055c095ebafSPaul Burtonendmenu 3056c095ebafSPaul Burton 3057d5950b43SSam Ravnborgsource "net/Kconfig" 3058d5950b43SSam Ravnborg 30591da177e4SLinus Torvaldssource "drivers/Kconfig" 30601da177e4SLinus Torvalds 306198cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 306298cdee0eSRalf Baechle 30631da177e4SLinus Torvaldssource "fs/Kconfig" 30641da177e4SLinus Torvalds 30651da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 30661da177e4SLinus Torvalds 30671da177e4SLinus Torvaldssource "security/Kconfig" 30681da177e4SLinus Torvalds 30691da177e4SLinus Torvaldssource "crypto/Kconfig" 30701da177e4SLinus Torvalds 30711da177e4SLinus Torvaldssource "lib/Kconfig" 30722235a54dSSanjay Lal 30732235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3074