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 478e8823d26SPaul Burton select USE_OF 479abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 480e81a8c7dSPaul Burton select BUILTIN_DTB 481e81a8c7dSPaul Burton select LIBFDT 4821da177e4SLinus Torvalds help 483f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 4841da177e4SLinus Torvalds board. 4851da177e4SLinus Torvalds 4862572f00dSJoshua Hendersonconfig MACH_PIC32 4872572f00dSJoshua Henderson bool "Microchip PIC32 Family" 4882572f00dSJoshua Henderson help 4892572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 4902572f00dSJoshua Henderson 4912572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 4922572f00dSJoshua Henderson microcontrollers. 4932572f00dSJoshua Henderson 494ec47b274SSteven J. Hillconfig MIPS_SEAD3 495ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 496ec47b274SSteven J. Hill select BOOT_ELF32 497ec47b274SSteven J. Hill select BOOT_RAW 498f262b5f2SAndrew Bresticker select BUILTIN_DTB 499ec47b274SSteven J. Hill select CEVT_R4K 500ec47b274SSteven J. Hill select CSRC_R4K 501fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50242b002abSGuenter Roeck select COMMON_CLK 503ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 504ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 505ec47b274SSteven J. Hill select DMA_NONCOHERENT 50667e38cf2SRalf Baechle select IRQ_MIPS_CPU 5078a19b8f1SAndrew Bresticker select MIPS_GIC 50844327236SQais Yousef select LIBFDT 509ec47b274SSteven J. Hill select MIPS_MSC 510ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 511ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 512*d4594b27SPaul Burton select SYS_HAS_CPU_MIPS32_R6 513ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 514ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 515ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 516ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 517ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 518ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 519ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 520a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 521377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 522ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 523ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 5249b731009SSteven J. Hill select USE_OF 525ec47b274SSteven J. Hill help 526ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 527ec47b274SSteven J. Hill board. 528ec47b274SSteven J. Hill 529a83860c2SRalf Baechleconfig NEC_MARKEINS 530a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 531a83860c2SRalf Baechle select SOC_EMMA2RH 532a83860c2SRalf Baechle select HW_HAS_PCI 533a83860c2SRalf Baechle help 534a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 535ade299d8SYoichi Yuasa 5365e83d430SRalf Baechleconfig MACH_VR41XX 53774142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 53842f77542SRalf Baechle select CEVT_R4K 539940f6b48SRalf Baechle select CSRC_R4K 5407cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 541377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 54227fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 5435e83d430SRalf Baechle 544edb6310aSDaniel Lairdconfig NXP_STB220 545edb6310aSDaniel Laird bool "NXP STB220 board" 546edb6310aSDaniel Laird select SOC_PNX833X 547edb6310aSDaniel Laird help 548edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 549edb6310aSDaniel Laird 550edb6310aSDaniel Lairdconfig NXP_STB225 551edb6310aSDaniel Laird bool "NXP 225 board" 552edb6310aSDaniel Laird select SOC_PNX833X 553edb6310aSDaniel Laird select SOC_PNX8335 554edb6310aSDaniel Laird help 555edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 556edb6310aSDaniel Laird 5579267a30dSMarc St-Jeanconfig PMC_MSP 5589267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 55939d30c13SAnoop P A select CEVT_R4K 56039d30c13SAnoop P A select CSRC_R4K 5619267a30dSMarc St-Jean select DMA_NONCOHERENT 5629267a30dSMarc St-Jean select SWAP_IO_SPACE 5639267a30dSMarc St-Jean select NO_EXCEPT_FILL 5649267a30dSMarc St-Jean select BOOT_RAW 5659267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5669267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5679267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5689267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 569377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 57067e38cf2SRalf Baechle select IRQ_MIPS_CPU 5719267a30dSMarc St-Jean select SERIAL_8250 5729267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5739296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5749296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5759267a30dSMarc St-Jean help 5769267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 5779267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 5789267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 5799267a30dSMarc St-Jean a variety of MIPS cores. 5809267a30dSMarc St-Jean 581ae2b5bb6SJohn Crispinconfig RALINK 582ae2b5bb6SJohn Crispin bool "Ralink based machines" 583ae2b5bb6SJohn Crispin select CEVT_R4K 584ae2b5bb6SJohn Crispin select CSRC_R4K 585ae2b5bb6SJohn Crispin select BOOT_RAW 586ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 58767e38cf2SRalf Baechle select IRQ_MIPS_CPU 588ae2b5bb6SJohn Crispin select USE_OF 589ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 590ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 591ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 592ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 593377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 594ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 595ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 5962a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 5972a153f1cSJohn Crispin select RESET_CONTROLLER 598ae2b5bb6SJohn Crispin 5991da177e4SLinus Torvaldsconfig SGI_IP22 6003fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6010e2794b0SRalf Baechle select FW_ARC 6020e2794b0SRalf Baechle select FW_ARC32 6031da177e4SLinus Torvalds select BOOT_ELF32 60442f77542SRalf Baechle select CEVT_R4K 605940f6b48SRalf Baechle select CSRC_R4K 606e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6071da177e4SLinus Torvalds select DMA_NONCOHERENT 6085e83d430SRalf Baechle select HW_HAS_EISA 609d865bea4SRalf Baechle select I8253 61068de4803SThomas Bogendoerfer select I8259 6111da177e4SLinus Torvalds select IP22_CPU_SCACHE 61267e38cf2SRalf Baechle select IRQ_MIPS_CPU 613aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 614e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 615e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 61636e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 617e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 618e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 619e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6201da177e4SLinus Torvalds select SWAP_IO_SPACE 6217cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6227cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6232b5e63f6SMartin Michlmayr # 6242b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6252b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6262b5e63f6SMartin Michlmayr # 6272b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6282b5e63f6SMartin Michlmayr # for a more details discussion 6292b5e63f6SMartin Michlmayr # 6302b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 631ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 632ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6335e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 634930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6351da177e4SLinus Torvalds help 6361da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6371da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6381da177e4SLinus Torvalds that runs on these, say Y here. 6391da177e4SLinus Torvalds 6401da177e4SLinus Torvaldsconfig SGI_IP27 6413fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6420e2794b0SRalf Baechle select FW_ARC 6430e2794b0SRalf Baechle select FW_ARC64 6445e83d430SRalf Baechle select BOOT_ELF64 645e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 646634286f1SRalf Baechle select DMA_COHERENT 64736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6481da177e4SLinus Torvalds select HW_HAS_PCI 649130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6507cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 651ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6525e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 653d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6541a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 655930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6561da177e4SLinus Torvalds help 6571da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6581da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6591da177e4SLinus Torvalds here. 6601da177e4SLinus Torvalds 661e2defae5SThomas Bogendoerferconfig SGI_IP28 6627d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6630e2794b0SRalf Baechle select FW_ARC 6640e2794b0SRalf Baechle select FW_ARC64 665e2defae5SThomas Bogendoerfer select BOOT_ELF64 666e2defae5SThomas Bogendoerfer select CEVT_R4K 667e2defae5SThomas Bogendoerfer select CSRC_R4K 668e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 669e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 670e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 67167e38cf2SRalf Baechle select IRQ_MIPS_CPU 672e2defae5SThomas Bogendoerfer select HW_HAS_EISA 673e2defae5SThomas Bogendoerfer select I8253 674e2defae5SThomas Bogendoerfer select I8259 675e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 676e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 6775b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 678e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 679e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 680e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 681e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 682e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 6832b5e63f6SMartin Michlmayr # 6842b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6852b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6862b5e63f6SMartin Michlmayr # 6872b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6882b5e63f6SMartin Michlmayr # for a more details discussion 6892b5e63f6SMartin Michlmayr # 6902b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 691e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 692e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 693dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 694e2defae5SThomas Bogendoerfer help 695e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 696e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 697e2defae5SThomas Bogendoerfer 6981da177e4SLinus Torvaldsconfig SGI_IP32 699cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 7000e2794b0SRalf Baechle select FW_ARC 7010e2794b0SRalf Baechle select FW_ARC32 7021da177e4SLinus Torvalds select BOOT_ELF32 70342f77542SRalf Baechle select CEVT_R4K 704940f6b48SRalf Baechle select CSRC_R4K 7051da177e4SLinus Torvalds select DMA_NONCOHERENT 7061da177e4SLinus Torvalds select HW_HAS_PCI 70767e38cf2SRalf Baechle select IRQ_MIPS_CPU 7081da177e4SLinus Torvalds select R5000_CPU_SCACHE 7091da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7107cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7117cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7127cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 713dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 714ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7155e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7161da177e4SLinus Torvalds help 7171da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7181da177e4SLinus Torvalds 719ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 720ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7215e83d430SRalf Baechle select BOOT_ELF32 7225e83d430SRalf Baechle select DMA_COHERENT 7235e83d430SRalf Baechle select SIBYTE_BCM1120 7245e83d430SRalf Baechle select SWAP_IO_SPACE 7257cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7265e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7275e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7285e83d430SRalf Baechle 729ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 730ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7315e83d430SRalf Baechle select BOOT_ELF32 7325e83d430SRalf Baechle select DMA_COHERENT 7335e83d430SRalf Baechle select SIBYTE_BCM1120 7345e83d430SRalf Baechle select SWAP_IO_SPACE 7357cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7365e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7375e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7385e83d430SRalf Baechle 7395e83d430SRalf Baechleconfig SIBYTE_CRHONE 7403fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7415e83d430SRalf Baechle select BOOT_ELF32 7425e83d430SRalf Baechle select DMA_COHERENT 7435e83d430SRalf Baechle select SIBYTE_BCM1125 7445e83d430SRalf Baechle select SWAP_IO_SPACE 7457cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7465e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7475e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7485e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7495e83d430SRalf Baechle 750ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 751ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 752ade299d8SYoichi Yuasa select BOOT_ELF32 753ade299d8SYoichi Yuasa select DMA_COHERENT 754ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 755ade299d8SYoichi Yuasa select SWAP_IO_SPACE 756ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 757ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 758ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 759ade299d8SYoichi Yuasa 760ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 761ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 762ade299d8SYoichi Yuasa select BOOT_ELF32 763ade299d8SYoichi Yuasa select DMA_COHERENT 764fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 765ade299d8SYoichi Yuasa select SIBYTE_SB1250 766ade299d8SYoichi Yuasa select SWAP_IO_SPACE 767ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 768ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 769ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 770ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 771cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 772ade299d8SYoichi Yuasa 773ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 774ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 775ade299d8SYoichi Yuasa select BOOT_ELF32 776ade299d8SYoichi Yuasa select DMA_COHERENT 777fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 778ade299d8SYoichi Yuasa select SIBYTE_SB1250 779ade299d8SYoichi Yuasa select SWAP_IO_SPACE 780ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 781ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 782ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 783ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 784ade299d8SYoichi Yuasa 785ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 786ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 787ade299d8SYoichi Yuasa select BOOT_ELF32 788ade299d8SYoichi Yuasa select DMA_COHERENT 789ade299d8SYoichi Yuasa select SIBYTE_SB1250 790ade299d8SYoichi Yuasa select SWAP_IO_SPACE 791ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 792ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 793ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 794ade299d8SYoichi Yuasa 795ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 796ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 797ade299d8SYoichi Yuasa select BOOT_ELF32 798ade299d8SYoichi Yuasa select DMA_COHERENT 799ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 800ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 801ade299d8SYoichi Yuasa select SWAP_IO_SPACE 802ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 803ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 804651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 805ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 806cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 807ade299d8SYoichi Yuasa 80814b36af4SThomas Bogendoerferconfig SNI_RM 80914b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8100e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8110e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 812aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8135e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 8145e83d430SRalf Baechle select BOOT_ELF32 81542f77542SRalf Baechle select CEVT_R4K 816940f6b48SRalf Baechle select CSRC_R4K 817e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8185e83d430SRalf Baechle select DMA_NONCOHERENT 8195e83d430SRalf Baechle select GENERIC_ISA_DMA 8208a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8215e83d430SRalf Baechle select HW_HAS_EISA 8225e83d430SRalf Baechle select HW_HAS_PCI 82367e38cf2SRalf Baechle select IRQ_MIPS_CPU 824d865bea4SRalf Baechle select I8253 8255e83d430SRalf Baechle select I8259 8265e83d430SRalf Baechle select ISA 8274a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8287cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8294a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 830c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8314a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 83236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 833ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8347d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8354a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8365e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8375e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8381da177e4SLinus Torvalds help 83914b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 84014b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8415e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8425e83d430SRalf Baechle support this machine type. 8431da177e4SLinus Torvalds 844edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 845edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8465e83d430SRalf Baechle 847edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 848edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 84923fbee9dSRalf Baechle 85073b4390fSRalf Baechleconfig MIKROTIK_RB532 85173b4390fSRalf Baechle bool "Mikrotik RB532 boards" 85273b4390fSRalf Baechle select CEVT_R4K 85373b4390fSRalf Baechle select CSRC_R4K 85473b4390fSRalf Baechle select DMA_NONCOHERENT 85573b4390fSRalf Baechle select HW_HAS_PCI 85667e38cf2SRalf Baechle select IRQ_MIPS_CPU 85773b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 85873b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 85973b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 86073b4390fSRalf Baechle select SWAP_IO_SPACE 86173b4390fSRalf Baechle select BOOT_RAW 862d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 863930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 86473b4390fSRalf Baechle help 86573b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 86673b4390fSRalf Baechle based on the IDT RC32434 SoC. 86773b4390fSRalf Baechle 8689ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8699ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 870a86c7f72SDavid Daney select CEVT_R4K 87134adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 872a86c7f72SDavid Daney select DMA_COHERENT 873a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 874a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 875f65aad41SRalf Baechle select EDAC_SUPPORT 876b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 87773569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 87873569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 879a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 8805e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 881a86c7f72SDavid Daney select SWAP_IO_SPACE 882e8635b48SDavid Daney select HW_HAS_PCI 883f00e001eSDavid Daney select ZONE_DMA32 884465aaed0SDavid Daney select HOLES_IN_ZONE 88599cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 8866e511163SDavid Daney select LIBFDT 8876e511163SDavid Daney select USE_OF 8886e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 8896e511163SDavid Daney select SYS_SUPPORTS_SMP 8906e511163SDavid Daney select NR_CPUS_DEFAULT_16 891e326479fSAndrew Bresticker select BUILTIN_DTB 8928c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 893a86c7f72SDavid Daney help 894a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 895a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 896a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 897a86c7f72SDavid Daney Some of the supported boards are: 898a86c7f72SDavid Daney EBT3000 899a86c7f72SDavid Daney EBH3000 900a86c7f72SDavid Daney EBH3100 901a86c7f72SDavid Daney Thunder 902a86c7f72SDavid Daney Kodama 903a86c7f72SDavid Daney Hikari 904a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 905a86c7f72SDavid Daney 9067f058e85SJayachandran Cconfig NLM_XLR_BOARD 9077f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9087f058e85SJayachandran C select BOOT_ELF32 9097f058e85SJayachandran C select NLM_COMMON 9107f058e85SJayachandran C select SYS_HAS_CPU_XLR 9117f058e85SJayachandran C select SYS_SUPPORTS_SMP 9127f058e85SJayachandran C select HW_HAS_PCI 9137f058e85SJayachandran C select SWAP_IO_SPACE 9147f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9157f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 91634adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 9177f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9187f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9197f058e85SJayachandran C select DMA_COHERENT 9207f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9217f058e85SJayachandran C select CEVT_R4K 9227f058e85SJayachandran C select CSRC_R4K 92367e38cf2SRalf Baechle select IRQ_MIPS_CPU 924b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9257f058e85SJayachandran C select SYNC_R4K 9267f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9278f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9288f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9297f058e85SJayachandran C help 9307f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9317f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9327f058e85SJayachandran C 9331c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9341c773ea4SJayachandran C bool "Netlogic XLP based systems" 9351c773ea4SJayachandran C select BOOT_ELF32 9361c773ea4SJayachandran C select NLM_COMMON 9371c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9381c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9391c773ea4SJayachandran C select HW_HAS_PCI 9401c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9411c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 94234adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 943079e3160SKamlakant Patel select ARCH_REQUIRE_GPIOLIB 9441c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9451c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9461c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9471c773ea4SJayachandran C select DMA_COHERENT 9481c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9491c773ea4SJayachandran C select CEVT_R4K 9501c773ea4SJayachandran C select CSRC_R4K 95167e38cf2SRalf Baechle select IRQ_MIPS_CPU 952b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9531c773ea4SJayachandran C select SYNC_R4K 9541c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9552f6528e1SJayachandran C select USE_OF 9568f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9578f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9581c773ea4SJayachandran C help 9591c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9601c773ea4SJayachandran C Say Y here if you have a XLP based board. 9611c773ea4SJayachandran C 9629bc463beSDavid Daneyconfig MIPS_PARAVIRT 9639bc463beSDavid Daney bool "Para-Virtualized guest system" 9649bc463beSDavid Daney select CEVT_R4K 9659bc463beSDavid Daney select CSRC_R4K 9669bc463beSDavid Daney select DMA_COHERENT 9679bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9689bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9699bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9709bc463beSDavid Daney select SYS_SUPPORTS_SMP 9719bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9729bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9739bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9749bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9759bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9769bc463beSDavid Daney select HW_HAS_PCI 9779bc463beSDavid Daney select SWAP_IO_SPACE 9789bc463beSDavid Daney help 9799bc463beSDavid Daney This option supports guest running under ???? 9809bc463beSDavid Daney 9811da177e4SLinus Torvaldsendchoice 9821da177e4SLinus Torvalds 983e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 9843b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 985d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 986a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 987e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 9888945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 9895e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 9905ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 9918ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 9921f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 9932572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 994af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 9950f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 996ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 99729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 99838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 99922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10005e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1001a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 100230ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 100330ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10047f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1005ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 10069937f5ffSZubair Lutfullah Kakakhelsource "arch/mips/xilfpga/Kconfig" 100738b18f72SRalf Baechle 10085e83d430SRalf Baechleendmenu 10095e83d430SRalf Baechle 10101da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10111da177e4SLinus Torvalds bool 10121da177e4SLinus Torvalds default y 10131da177e4SLinus Torvalds 10141da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10151da177e4SLinus Torvalds bool 10161da177e4SLinus Torvalds 1017f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 1018f0d1b0b3SDavid Howells bool 1019f0d1b0b3SDavid Howells default n 1020f0d1b0b3SDavid Howells 1021f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 1022f0d1b0b3SDavid Howells bool 1023f0d1b0b3SDavid Howells default n 1024f0d1b0b3SDavid Howells 10253c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10263c9ee7efSAkinobu Mita bool 10273c9ee7efSAkinobu Mita default y 10283c9ee7efSAkinobu Mita 10291da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10301da177e4SLinus Torvalds bool 10311da177e4SLinus Torvalds default y 10321da177e4SLinus Torvalds 1033ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10341cc89038SAtsushi Nemoto bool 10351cc89038SAtsushi Nemoto default y 10361cc89038SAtsushi Nemoto 10371da177e4SLinus Torvalds# 10381da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10391da177e4SLinus Torvalds# 10400e2794b0SRalf Baechleconfig FW_ARC 10411da177e4SLinus Torvalds bool 10421da177e4SLinus Torvalds 104361ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 104461ed242dSRalf Baechle bool 104561ed242dSRalf Baechle 10469267a30dSMarc St-Jeanconfig BOOT_RAW 10479267a30dSMarc St-Jean bool 10489267a30dSMarc St-Jean 1049217dd11eSRalf Baechleconfig CEVT_BCM1480 1050217dd11eSRalf Baechle bool 1051217dd11eSRalf Baechle 10526457d9fcSYoichi Yuasaconfig CEVT_DS1287 10536457d9fcSYoichi Yuasa bool 10546457d9fcSYoichi Yuasa 10551097c6acSYoichi Yuasaconfig CEVT_GT641XX 10561097c6acSYoichi Yuasa bool 10571097c6acSYoichi Yuasa 105842f77542SRalf Baechleconfig CEVT_R4K 105942f77542SRalf Baechle bool 106042f77542SRalf Baechle 1061217dd11eSRalf Baechleconfig CEVT_SB1250 1062217dd11eSRalf Baechle bool 1063217dd11eSRalf Baechle 1064229f773eSAtsushi Nemotoconfig CEVT_TXX9 1065229f773eSAtsushi Nemoto bool 1066229f773eSAtsushi Nemoto 1067217dd11eSRalf Baechleconfig CSRC_BCM1480 1068217dd11eSRalf Baechle bool 1069217dd11eSRalf Baechle 10704247417dSYoichi Yuasaconfig CSRC_IOASIC 10714247417dSYoichi Yuasa bool 10724247417dSYoichi Yuasa 1073940f6b48SRalf Baechleconfig CSRC_R4K 1074940f6b48SRalf Baechle bool 1075940f6b48SRalf Baechle 1076217dd11eSRalf Baechleconfig CSRC_SB1250 1077217dd11eSRalf Baechle bool 1078217dd11eSRalf Baechle 1079a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1080a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1081a7f4df4eSAlex Smith 1082a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 10837444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 1084a9aec7feSAtsushi Nemoto bool 1085a9aec7feSAtsushi Nemoto 10860e2794b0SRalf Baechleconfig FW_CFE 1087df78b5c8SAurelien Jarno bool 1088df78b5c8SAurelien Jarno 10894bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 109034adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 10914bafad92SFUJITA Tomonori 109240e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 109340e084a5SRalf Baechle bool 109440e084a5SRalf Baechle 1095885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1096885014bcSFelix Fietkau select DMA_NONCOHERENT 1097885014bcSFelix Fietkau bool 1098885014bcSFelix Fietkau 10991da177e4SLinus Torvaldsconfig DMA_COHERENT 11001da177e4SLinus Torvalds bool 11011da177e4SLinus Torvalds 11021da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11031da177e4SLinus Torvalds bool 1104e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 11054ce588cdSRalf Baechle 1106e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 11074ce588cdSRalf Baechle bool 11081da177e4SLinus Torvalds 110936a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11101da177e4SLinus Torvalds bool 11111da177e4SLinus Torvalds 1112dbb74540SRalf Baechleconfig HOTPLUG_CPU 11131b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 111440b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 11151b2bc75cSRalf Baechle help 11161b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 11171b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 11181b2bc75cSRalf Baechle (Note: power management support will enable this option 11191b2bc75cSRalf Baechle automatically on SMP systems. ) 11201b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 11211b2bc75cSRalf Baechle 11221b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1123dbb74540SRalf Baechle bool 1124dbb74540SRalf Baechle 11251da177e4SLinus Torvaldsconfig MIPS_BONITO64 11261da177e4SLinus Torvalds bool 11271da177e4SLinus Torvalds 11281da177e4SLinus Torvaldsconfig MIPS_MSC 11291da177e4SLinus Torvalds bool 11301da177e4SLinus Torvalds 11311f21d2bdSBrian Murphyconfig MIPS_NILE4 11321f21d2bdSBrian Murphy bool 11331f21d2bdSBrian Murphy 113439b8d525SRalf Baechleconfig SYNC_R4K 113539b8d525SRalf Baechle bool 113639b8d525SRalf Baechle 1137487d70d0SGabor Juhosconfig MIPS_MACHINE 1138487d70d0SGabor Juhos def_bool n 1139487d70d0SGabor Juhos 1140ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1141d388d685SMaciej W. Rozycki def_bool n 1142d388d685SMaciej W. Rozycki 11434e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11444e0748f5SMarkos Chandras bool 11454e0748f5SMarkos Chandras 11468313da30SRalf Baechleconfig GENERIC_ISA_DMA 11478313da30SRalf Baechle bool 11488313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1149a35bee8aSNamhyung Kim select ISA_DMA_API 11508313da30SRalf Baechle 1151aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1152aa414dffSRalf Baechle bool 11538313da30SRalf Baechle select GENERIC_ISA_DMA 1154aa414dffSRalf Baechle 1155a35bee8aSNamhyung Kimconfig ISA_DMA_API 1156a35bee8aSNamhyung Kim bool 1157a35bee8aSNamhyung Kim 1158465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1159465aaed0SDavid Daney bool 1160465aaed0SDavid Daney 11615e83d430SRalf Baechle# 11626b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11635e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11645e83d430SRalf Baechle# choice statement should be more obvious to the user. 11655e83d430SRalf Baechle# 11665e83d430SRalf Baechlechoice 11676b2aac42SMasanari Iida prompt "Endianness selection" 11681da177e4SLinus Torvalds help 11691da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11705e83d430SRalf Baechle byte order. These modes require different kernels and a different 11713cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11725e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11733dde6ad8SDavid Sterba one or the other endianness. 11745e83d430SRalf Baechle 11755e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11765e83d430SRalf Baechle bool "Big endian" 11775e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11785e83d430SRalf Baechle 11795e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11805e83d430SRalf Baechle bool "Little endian" 11815e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11825e83d430SRalf Baechle 11835e83d430SRalf Baechleendchoice 11845e83d430SRalf Baechle 118522b0763aSDavid Daneyconfig EXPORT_UASM 118622b0763aSDavid Daney bool 118722b0763aSDavid Daney 11882116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 11892116245eSRalf Baechle bool 11902116245eSRalf Baechle 11915e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 11925e83d430SRalf Baechle bool 11935e83d430SRalf Baechle 11945e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 11955e83d430SRalf Baechle bool 11961da177e4SLinus Torvalds 11979cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 11989cffd154SDavid Daney bool 11999cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12009cffd154SDavid Daney default y 12019cffd154SDavid Daney 1202aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1203aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1204aa1762f4SDavid Daney 12051da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12061da177e4SLinus Torvalds bool 12071da177e4SLinus Torvalds 12089267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12099267a30dSMarc St-Jean bool 12109267a30dSMarc St-Jean 12119267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12129267a30dSMarc St-Jean bool 12139267a30dSMarc St-Jean 12148420fd00SAtsushi Nemotoconfig IRQ_TXX9 12158420fd00SAtsushi Nemoto bool 12168420fd00SAtsushi Nemoto 1217d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1218d5ab1a69SYoichi Yuasa bool 1219d5ab1a69SYoichi Yuasa 1220252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12211da177e4SLinus Torvalds bool 12221da177e4SLinus Torvalds 12239267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12249267a30dSMarc St-Jean bool 12259267a30dSMarc St-Jean 1226a83860c2SRalf Baechleconfig SOC_EMMA2RH 1227a83860c2SRalf Baechle bool 1228a83860c2SRalf Baechle select CEVT_R4K 1229a83860c2SRalf Baechle select CSRC_R4K 1230a83860c2SRalf Baechle select DMA_NONCOHERENT 123167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1232a83860c2SRalf Baechle select SWAP_IO_SPACE 1233a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1234a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1235a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1236a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1237a83860c2SRalf Baechle 1238edb6310aSDaniel Lairdconfig SOC_PNX833X 1239edb6310aSDaniel Laird bool 1240edb6310aSDaniel Laird select CEVT_R4K 1241edb6310aSDaniel Laird select CSRC_R4K 124267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1243edb6310aSDaniel Laird select DMA_NONCOHERENT 1244edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1245edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1246edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1247edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1248377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1249edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1250edb6310aSDaniel Laird 1251edb6310aSDaniel Lairdconfig SOC_PNX8335 1252edb6310aSDaniel Laird bool 1253edb6310aSDaniel Laird select SOC_PNX833X 1254edb6310aSDaniel Laird 1255a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1256a7e07b1aSMarkos Chandras bool 1257a7e07b1aSMarkos Chandras 12581da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12591da177e4SLinus Torvalds bool 12601da177e4SLinus Torvalds 1261e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1262e2defae5SThomas Bogendoerfer bool 1263e2defae5SThomas Bogendoerfer 12645b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12655b438c44SThomas Bogendoerfer bool 12665b438c44SThomas Bogendoerfer 1267e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1268e2defae5SThomas Bogendoerfer bool 1269e2defae5SThomas Bogendoerfer 1270e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1271e2defae5SThomas Bogendoerfer bool 1272e2defae5SThomas Bogendoerfer 1273e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1274e2defae5SThomas Bogendoerfer bool 1275e2defae5SThomas Bogendoerfer 1276e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1277e2defae5SThomas Bogendoerfer bool 1278e2defae5SThomas Bogendoerfer 1279e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1280e2defae5SThomas Bogendoerfer bool 1281e2defae5SThomas Bogendoerfer 12820e2794b0SRalf Baechleconfig FW_ARC32 12835e83d430SRalf Baechle bool 12845e83d430SRalf Baechle 1285aaa9fad3SPaul Bolleconfig FW_SNIPROM 1286231a35d3SThomas Bogendoerfer bool 1287231a35d3SThomas Bogendoerfer 12881da177e4SLinus Torvaldsconfig BOOT_ELF32 12891da177e4SLinus Torvalds bool 12901da177e4SLinus Torvalds 1291930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1292930beb5aSFlorian Fainelli bool 1293930beb5aSFlorian Fainelli 1294930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1295930beb5aSFlorian Fainelli bool 1296930beb5aSFlorian Fainelli 1297930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1298930beb5aSFlorian Fainelli bool 1299930beb5aSFlorian Fainelli 1300930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1301930beb5aSFlorian Fainelli bool 1302930beb5aSFlorian Fainelli 13031da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13041da177e4SLinus Torvalds int 1305a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13065432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13075432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13085432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13091da177e4SLinus Torvalds default "5" 13101da177e4SLinus Torvalds 13111da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13121da177e4SLinus Torvalds bool 13131da177e4SLinus Torvalds 13141da177e4SLinus Torvaldsconfig ARC_CONSOLE 13151da177e4SLinus Torvalds bool "ARC console support" 1316e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13171da177e4SLinus Torvalds 13181da177e4SLinus Torvaldsconfig ARC_MEMORY 13191da177e4SLinus Torvalds bool 132014b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13211da177e4SLinus Torvalds default y 13221da177e4SLinus Torvalds 13231da177e4SLinus Torvaldsconfig ARC_PROMLIB 13241da177e4SLinus Torvalds bool 1325e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13261da177e4SLinus Torvalds default y 13271da177e4SLinus Torvalds 13280e2794b0SRalf Baechleconfig FW_ARC64 13291da177e4SLinus Torvalds bool 13301da177e4SLinus Torvalds 13311da177e4SLinus Torvaldsconfig BOOT_ELF64 13321da177e4SLinus Torvalds bool 13331da177e4SLinus Torvalds 13341da177e4SLinus Torvaldsmenu "CPU selection" 13351da177e4SLinus Torvalds 13361da177e4SLinus Torvaldschoice 13371da177e4SLinus Torvalds prompt "CPU type" 13381da177e4SLinus Torvalds default CPU_R4X00 13391da177e4SLinus Torvalds 13400e476d91SHuacai Chenconfig CPU_LOONGSON3 13410e476d91SHuacai Chen bool "Loongson 3 CPU" 13420e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 13430e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13440e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13450e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13460e476d91SHuacai Chen select WEAK_ORDERING 13470e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1348cbfb3ea7SHuacai Chen select ARCH_REQUIRE_GPIOLIB 13490e476d91SHuacai Chen help 13500e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13510e476d91SHuacai Chen set with many extensions. 13520e476d91SHuacai Chen 13533702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13543702bba5SWu Zhangjin bool "Loongson 2E" 13553702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 13563702bba5SWu Zhangjin select CPU_LOONGSON2 13572a21c730SFuxin Zhang help 13582a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13592a21c730SFuxin Zhang with many extensions. 13602a21c730SFuxin Zhang 136125985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13626f7a251aSWu Zhangjin bonito64. 13636f7a251aSWu Zhangjin 13646f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13656f7a251aSWu Zhangjin bool "Loongson 2F" 13666f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 13676f7a251aSWu Zhangjin select CPU_LOONGSON2 1368c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 13696f7a251aSWu Zhangjin help 13706f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13716f7a251aSWu Zhangjin with many extensions. 13726f7a251aSWu Zhangjin 13736f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13746f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13756f7a251aSWu Zhangjin Loongson2E. 13766f7a251aSWu Zhangjin 1377ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1378ca585cf9SKelvin Cheung bool "Loongson 1B" 1379ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1380ca585cf9SKelvin Cheung select CPU_LOONGSON1 1381ca585cf9SKelvin Cheung help 1382ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1383ca585cf9SKelvin Cheung release 2 instruction set. 1384ca585cf9SKelvin Cheung 13856e760c8dSRalf Baechleconfig CPU_MIPS32_R1 13866e760c8dSRalf Baechle bool "MIPS32 Release 1" 13877cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 13886e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1389797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1390ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13916e760c8dSRalf Baechle help 13925e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 13931e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13941e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13951e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13961e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13971e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 13981e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 13991e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14001e5f1caaSRalf Baechle performance. 14011e5f1caaSRalf Baechle 14021e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14031e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14047cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14051e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1406797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1407ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1408a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14092235a54dSSanjay Lal select HAVE_KVM 14101e5f1caaSRalf Baechle help 14115e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14126e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14136e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14146e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14156e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14161da177e4SLinus Torvalds 14177fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1418674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14197fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14207fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14217fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14227fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14237fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14244e0748f5SMarkos Chandras select GENERIC_CSUM 14257fd08ca5SLeonid Yegoshin select HAVE_KVM 14267fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14277fd08ca5SLeonid Yegoshin help 14287fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14297fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14307fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14317fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14327fd08ca5SLeonid Yegoshin 14336e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14346e760c8dSRalf Baechle bool "MIPS64 Release 1" 14357cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1436797798c1SRalf Baechle select CPU_HAS_PREFETCH 1437ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1438ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1439ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14409cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14416e760c8dSRalf Baechle help 14426e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14436e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14446e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14456e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14466e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14471e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14481e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14491e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14501e5f1caaSRalf Baechle performance. 14511e5f1caaSRalf Baechle 14521e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 14531e5f1caaSRalf Baechle bool "MIPS64 Release 2" 14547cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1455797798c1SRalf Baechle select CPU_HAS_PREFETCH 14561e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14571e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1458ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14599cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1460a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14611e5f1caaSRalf Baechle help 14621e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 14631e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14641e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14651e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14661e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14671da177e4SLinus Torvalds 14687fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1469674d10e2SMarkos Chandras bool "MIPS64 Release 6" 14707fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 14717fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14727fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14737fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 14747fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14757fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14764e0748f5SMarkos Chandras select GENERIC_CSUM 14774e9d324dSPaul Burton select MIPS_O32_FP64_SUPPORT if MIPS32_O32 14787fd08ca5SLeonid Yegoshin help 14797fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14807fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 14817fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 14827fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 14837fd08ca5SLeonid Yegoshin 14841da177e4SLinus Torvaldsconfig CPU_R3000 14851da177e4SLinus Torvalds bool "R3000" 14867cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1487f7062ddbSRalf Baechle select CPU_HAS_WB 1488ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1489797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14901da177e4SLinus Torvalds help 14911da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 14921da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 14931da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 14941da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 14951da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 14961da177e4SLinus Torvalds try to recompile with R3000. 14971da177e4SLinus Torvalds 14981da177e4SLinus Torvaldsconfig CPU_TX39XX 14991da177e4SLinus Torvalds bool "R39XX" 15007cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1501ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15021da177e4SLinus Torvalds 15031da177e4SLinus Torvaldsconfig CPU_VR41XX 15041da177e4SLinus Torvalds bool "R41xx" 15057cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1506ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1507ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15081da177e4SLinus Torvalds help 15095e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15101da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15111da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15121da177e4SLinus Torvalds processor or vice versa. 15131da177e4SLinus Torvalds 15141da177e4SLinus Torvaldsconfig CPU_R4300 15151da177e4SLinus Torvalds bool "R4300" 15167cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1517ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1518ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15191da177e4SLinus Torvalds help 15201da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15211da177e4SLinus Torvalds 15221da177e4SLinus Torvaldsconfig CPU_R4X00 15231da177e4SLinus Torvalds bool "R4x00" 15247cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1525ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1526ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1527970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15281da177e4SLinus Torvalds help 15291da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15301da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15311da177e4SLinus Torvalds 15321da177e4SLinus Torvaldsconfig CPU_TX49XX 15331da177e4SLinus Torvalds bool "R49XX" 15347cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1535de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1536ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1537ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1538970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15391da177e4SLinus Torvalds 15401da177e4SLinus Torvaldsconfig CPU_R5000 15411da177e4SLinus Torvalds bool "R5000" 15427cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1543ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1544ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1545970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15461da177e4SLinus Torvalds help 15471da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 15481da177e4SLinus Torvalds 15491da177e4SLinus Torvaldsconfig CPU_R5432 15501da177e4SLinus Torvalds bool "R5432" 15517cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 15525e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15535e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1554970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15551da177e4SLinus Torvalds 1556542c1020SShinya Kuribayashiconfig CPU_R5500 1557542c1020SShinya Kuribayashi bool "R5500" 1558542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1559542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1560542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 15619cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1562542c1020SShinya Kuribayashi help 1563542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1564542c1020SShinya Kuribayashi instruction set. 1565542c1020SShinya Kuribayashi 15661da177e4SLinus Torvaldsconfig CPU_R6000 15671da177e4SLinus Torvalds bool "R6000" 15687cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1569ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15701da177e4SLinus Torvalds help 15711da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1572c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 15731da177e4SLinus Torvalds 15741da177e4SLinus Torvaldsconfig CPU_NEVADA 15751da177e4SLinus Torvalds bool "RM52xx" 15767cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1577ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1578ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1579970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15801da177e4SLinus Torvalds help 15811da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 15821da177e4SLinus Torvalds 15831da177e4SLinus Torvaldsconfig CPU_R8000 15841da177e4SLinus Torvalds bool "R8000" 15857cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 15865e83d430SRalf Baechle select CPU_HAS_PREFETCH 1587ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15881da177e4SLinus Torvalds help 15891da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 15901da177e4SLinus Torvalds uncommon and the support for them is incomplete. 15911da177e4SLinus Torvalds 15921da177e4SLinus Torvaldsconfig CPU_R10000 15931da177e4SLinus Torvalds bool "R10000" 15947cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 15955e83d430SRalf Baechle select CPU_HAS_PREFETCH 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1597ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1598797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1599970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16001da177e4SLinus Torvalds help 16011da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16021da177e4SLinus Torvalds 16031da177e4SLinus Torvaldsconfig CPU_RM7000 16041da177e4SLinus Torvalds bool "RM7000" 16057cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16065e83d430SRalf Baechle select CPU_HAS_PREFETCH 1607ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1608ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1609797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1610970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16111da177e4SLinus Torvalds 16121da177e4SLinus Torvaldsconfig CPU_SB1 16131da177e4SLinus Torvalds bool "SB1" 16147cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1615ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1616ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1617797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1618970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16190004a9dfSRalf Baechle select WEAK_ORDERING 16201da177e4SLinus Torvalds 1621a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1622a86c7f72SDavid Daney bool "Cavium Octeon processor" 16235e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1624a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1625a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1626a86c7f72SDavid Daney select WEAK_ORDERING 1627a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16289cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1629df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1630df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1631930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1632a86c7f72SDavid Daney help 1633a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1634a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1635a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1636a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1637a86c7f72SDavid Daney 1638cd746249SJonas Gorskiconfig CPU_BMIPS 1639cd746249SJonas Gorski bool "Broadcom BMIPS" 1640cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1641cd746249SJonas Gorski select CPU_MIPS32 1642fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1643cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1644cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1645cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1646cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1647cd746249SJonas Gorski select DMA_NONCOHERENT 164867e38cf2SRalf Baechle select IRQ_MIPS_CPU 1649cd746249SJonas Gorski select SWAP_IO_SPACE 1650cd746249SJonas Gorski select WEAK_ORDERING 1651c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 165269aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1653c1c0c461SKevin Cernekee help 1654fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1655c1c0c461SKevin Cernekee 16567f058e85SJayachandran Cconfig CPU_XLR 16577f058e85SJayachandran C bool "Netlogic XLR SoC" 16587f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 16597f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16607f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16617f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1662970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16637f058e85SJayachandran C select WEAK_ORDERING 16647f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16657f058e85SJayachandran C help 16667f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 16671c773ea4SJayachandran C 16681c773ea4SJayachandran Cconfig CPU_XLP 16691c773ea4SJayachandran C bool "Netlogic XLP SoC" 16701c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 16711c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16721c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16731c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 16741c773ea4SJayachandran C select WEAK_ORDERING 16751c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16761c773ea4SJayachandran C select CPU_HAS_PREFETCH 1677d6504846SJayachandran C select CPU_MIPSR2 1678ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 16791c773ea4SJayachandran C help 16801c773ea4SJayachandran C Netlogic Microsystems XLP processors. 16811da177e4SLinus Torvaldsendchoice 16821da177e4SLinus Torvalds 1683a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1684a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1685a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 16867fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1687a6e18781SLeonid Yegoshin help 1688a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1689a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1690a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1691a6e18781SLeonid Yegoshin 1692a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1693a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1694a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1695a6e18781SLeonid Yegoshin select EVA 1696a6e18781SLeonid Yegoshin default y 1697a6e18781SLeonid Yegoshin help 1698a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1699a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1700a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1701a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1702a6e18781SLeonid Yegoshin 1703c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1704c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1705c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1706c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1707c5b36783SSteven J. Hill help 1708c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1709c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1710c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1711c5b36783SSteven J. Hill 1712c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1713c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1714c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1715c5b36783SSteven J. Hill depends on !EVA 1716c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1717c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1718c5b36783SSteven J. Hill select XPA 1719c5b36783SSteven J. Hill select HIGHMEM 1720c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1721c5b36783SSteven J. Hill default n 1722c5b36783SSteven J. Hill help 1723c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1724c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1725c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1726c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1727c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1728c5b36783SSteven J. Hill If unsure, say 'N' here. 1729c5b36783SSteven J. Hill 1730622844bfSWu Zhangjinif CPU_LOONGSON2F 1731622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1732622844bfSWu Zhangjin bool 1733622844bfSWu Zhangjin 1734622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1735622844bfSWu Zhangjin bool 1736622844bfSWu Zhangjin 1737622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1738622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1739622844bfSWu Zhangjin default y 1740622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1741622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1742622844bfSWu Zhangjin help 1743622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1744622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1745622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1746622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1747622844bfSWu Zhangjin 1748622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1749622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1750622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1751622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1752622844bfSWu Zhangjin systems. 1753622844bfSWu Zhangjin 1754622844bfSWu Zhangjin If unsure, please say Y. 1755622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1756622844bfSWu Zhangjin 17571b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 17581b93b3c3SWu Zhangjin bool 17591b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 17601b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 176131c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 17621b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1763fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 17644e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 17651b93b3c3SWu Zhangjin 17661b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 17671b93b3c3SWu Zhangjin bool 17681b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 17691b93b3c3SWu Zhangjin 1770dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1771dbb98314SAlban Bedel bool 1772dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1773dbb98314SAlban Bedel 17743702bba5SWu Zhangjinconfig CPU_LOONGSON2 17753702bba5SWu Zhangjin bool 17763702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 17773702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 17783702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1779970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17803702bba5SWu Zhangjin 1781ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1782ca585cf9SKelvin Cheung bool 1783ca585cf9SKelvin Cheung select CPU_MIPS32 1784ca585cf9SKelvin Cheung select CPU_MIPSR2 1785ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1786ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1787ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1788f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1789ca585cf9SKelvin Cheung 1790fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 179104fa8bf7SJonas Gorski select SMP_UP if SMP 17921bbb6c1bSKevin Cernekee bool 1793cd746249SJonas Gorski 1794cd746249SJonas Gorskiconfig CPU_BMIPS4350 1795cd746249SJonas Gorski bool 1796cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1797cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1798cd746249SJonas Gorski 1799cd746249SJonas Gorskiconfig CPU_BMIPS4380 1800cd746249SJonas Gorski bool 1801bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1802cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1803cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1804cd746249SJonas Gorski 1805cd746249SJonas Gorskiconfig CPU_BMIPS5000 1806cd746249SJonas Gorski bool 1807cd746249SJonas Gorski select MIPS_CPU_SCACHE 1808bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1809cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1810cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 18111bbb6c1bSKevin Cernekee 18120e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18130e476d91SHuacai Chen bool 18140e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 18150e476d91SHuacai Chen 18163702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18172a21c730SFuxin Zhang bool 18182a21c730SFuxin Zhang 18196f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18206f7a251aSWu Zhangjin bool 182155045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 182255045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 182322f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 18246f7a251aSWu Zhangjin 1825ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1826ca585cf9SKelvin Cheung bool 1827ca585cf9SKelvin Cheung 18287cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18297cf8053bSRalf Baechle bool 18307cf8053bSRalf Baechle 18317cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18327cf8053bSRalf Baechle bool 18337cf8053bSRalf Baechle 1834a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1835a6e18781SLeonid Yegoshin bool 1836a6e18781SLeonid Yegoshin 1837c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1838c5b36783SSteven J. Hill bool 1839c5b36783SSteven J. Hill 18407fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 18417fd08ca5SLeonid Yegoshin bool 18427fd08ca5SLeonid Yegoshin 18437cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 18447cf8053bSRalf Baechle bool 18457cf8053bSRalf Baechle 18467cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 18477cf8053bSRalf Baechle bool 18487cf8053bSRalf Baechle 18497fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 18507fd08ca5SLeonid Yegoshin bool 18517fd08ca5SLeonid Yegoshin 18527cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 18537cf8053bSRalf Baechle bool 18547cf8053bSRalf Baechle 18557cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 18567cf8053bSRalf Baechle bool 18577cf8053bSRalf Baechle 18587cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 18597cf8053bSRalf Baechle bool 18607cf8053bSRalf Baechle 18617cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 18627cf8053bSRalf Baechle bool 18637cf8053bSRalf Baechle 18647cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 18657cf8053bSRalf Baechle bool 18667cf8053bSRalf Baechle 18677cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 18687cf8053bSRalf Baechle bool 18697cf8053bSRalf Baechle 18707cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 18717cf8053bSRalf Baechle bool 18727cf8053bSRalf Baechle 18737cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 18747cf8053bSRalf Baechle bool 18757cf8053bSRalf Baechle 1876542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1877542c1020SShinya Kuribayashi bool 1878542c1020SShinya Kuribayashi 18797cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 18807cf8053bSRalf Baechle bool 18817cf8053bSRalf Baechle 18827cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 18837cf8053bSRalf Baechle bool 18847cf8053bSRalf Baechle 18857cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 18867cf8053bSRalf Baechle bool 18877cf8053bSRalf Baechle 18887cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 18897cf8053bSRalf Baechle bool 18907cf8053bSRalf Baechle 18917cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 18927cf8053bSRalf Baechle bool 18937cf8053bSRalf Baechle 18947cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 18957cf8053bSRalf Baechle bool 18967cf8053bSRalf Baechle 18975e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 18985e683389SDavid Daney bool 18995e683389SDavid Daney 1900cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1901c1c0c461SKevin Cernekee bool 1902c1c0c461SKevin Cernekee 1903fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1904c1c0c461SKevin Cernekee bool 1905cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1906c1c0c461SKevin Cernekee 1907c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1908c1c0c461SKevin Cernekee bool 1909cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1910c1c0c461SKevin Cernekee 1911c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1912c1c0c461SKevin Cernekee bool 1913cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1914c1c0c461SKevin Cernekee 1915c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1916c1c0c461SKevin Cernekee bool 1917cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1918c1c0c461SKevin Cernekee 19197f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 19207f058e85SJayachandran C bool 19217f058e85SJayachandran C 19221c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 19231c773ea4SJayachandran C bool 19241c773ea4SJayachandran C 1925b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1926b6911bbaSPaul Burton depends on MIPS_MALTA 1927b6911bbaSPaul Burton depends on PCI 1928b6911bbaSPaul Burton bool 1929b6911bbaSPaul Burton default y 1930b6911bbaSPaul Burton 193117099b11SRalf Baechle# 193217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 193317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 193417099b11SRalf Baechle# 19350004a9dfSRalf Baechleconfig WEAK_ORDERING 19360004a9dfSRalf Baechle bool 193717099b11SRalf Baechle 193817099b11SRalf Baechle# 193917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 194017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 194117099b11SRalf Baechle# 194217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 194317099b11SRalf Baechle bool 19445e83d430SRalf Baechleendmenu 19455e83d430SRalf Baechle 19465e83d430SRalf Baechle# 19475e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19485e83d430SRalf Baechle# 19495e83d430SRalf Baechleconfig CPU_MIPS32 19505e83d430SRalf Baechle bool 19517fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 19525e83d430SRalf Baechle 19535e83d430SRalf Baechleconfig CPU_MIPS64 19545e83d430SRalf Baechle bool 19557fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 19565e83d430SRalf Baechle 19575e83d430SRalf Baechle# 1958c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 19595e83d430SRalf Baechle# 19605e83d430SRalf Baechleconfig CPU_MIPSR1 19615e83d430SRalf Baechle bool 19625e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 19635e83d430SRalf Baechle 19645e83d430SRalf Baechleconfig CPU_MIPSR2 19655e83d430SRalf Baechle bool 1966a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1967a7e07b1aSMarkos Chandras select MIPS_SPRAM 19685e83d430SRalf Baechle 19697fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 19707fd08ca5SLeonid Yegoshin bool 19717fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 1972a7e07b1aSMarkos Chandras select MIPS_SPRAM 19735e83d430SRalf Baechle 1974a6e18781SLeonid Yegoshinconfig EVA 1975a6e18781SLeonid Yegoshin bool 1976a6e18781SLeonid Yegoshin 1977c5b36783SSteven J. Hillconfig XPA 1978c5b36783SSteven J. Hill bool 1979c5b36783SSteven J. Hill 19805e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 19815e83d430SRalf Baechle bool 19825e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 19835e83d430SRalf Baechle bool 19845e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 19855e83d430SRalf Baechle bool 19865e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 19875e83d430SRalf Baechle bool 198855045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 198955045ff5SWu Zhangjin bool 199055045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 199155045ff5SWu Zhangjin bool 19929cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 19939cffd154SDavid Daney bool 199422f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 199522f1fdfdSWu Zhangjin bool 199682622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 199782622284SDavid Daney bool 1998d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 19995e83d430SRalf Baechle 20008192c9eaSDavid Daney# 20018192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20028192c9eaSDavid Daney# 20038192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20048192c9eaSDavid Daney bool 2005679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20068192c9eaSDavid Daney 20075e83d430SRalf Baechlemenu "Kernel type" 20085e83d430SRalf Baechle 20095e83d430SRalf Baechlechoice 20105e83d430SRalf Baechle prompt "Kernel code model" 20115e83d430SRalf Baechle help 20125e83d430SRalf Baechle You should only select this option if you have a workload that 20135e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20145e83d430SRalf Baechle large memory. You will only be presented a single option in this 20155e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20165e83d430SRalf Baechle 20175e83d430SRalf Baechleconfig 32BIT 20185e83d430SRalf Baechle bool "32-bit kernel" 20195e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20205e83d430SRalf Baechle select TRAD_SIGNALS 20215e83d430SRalf Baechle help 20225e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2023f17c4ca3SRalf Baechle 20245e83d430SRalf Baechleconfig 64BIT 20255e83d430SRalf Baechle bool "64-bit kernel" 20265e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20275e83d430SRalf Baechle help 20285e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 20295e83d430SRalf Baechle 20305e83d430SRalf Baechleendchoice 20315e83d430SRalf Baechle 20322235a54dSSanjay Lalconfig KVM_GUEST 20332235a54dSSanjay Lal bool "KVM Guest Kernel" 2034f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 20352235a54dSSanjay Lal help 2036caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2037caa1faa7SJames Hogan mode. 20382235a54dSSanjay Lal 2039eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2040eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 20412235a54dSSanjay Lal depends on KVM_GUEST 2042eda3d33cSJames Hogan default 100 20432235a54dSSanjay Lal help 2044eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2045eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2046eda3d33cSJames Hogan timer frequency is specified directly. 20472235a54dSSanjay Lal 20481da177e4SLinus Torvaldschoice 20491da177e4SLinus Torvalds prompt "Kernel page size" 20501da177e4SLinus Torvalds default PAGE_SIZE_4KB 20511da177e4SLinus Torvalds 20521da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 20531da177e4SLinus Torvalds bool "4kB" 20540e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 20551da177e4SLinus Torvalds help 20561da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 20571da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 20581da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 20591da177e4SLinus Torvalds recommended for low memory systems. 20601da177e4SLinus Torvalds 20611da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 20621da177e4SLinus Torvalds bool "8kB" 20637d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 20641da177e4SLinus Torvalds help 20651da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 20661da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2067c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2068c52399beSRalf Baechle suitable Linux distribution to support this. 20691da177e4SLinus Torvalds 20701da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 20711da177e4SLinus Torvalds bool "16kB" 2072714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 20731da177e4SLinus Torvalds help 20741da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 20751da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2076714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2077714bfad6SRalf Baechle Linux distribution to support this. 20781da177e4SLinus Torvalds 2079c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2080c52399beSRalf Baechle bool "32kB" 2081c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 2082c52399beSRalf Baechle help 2083c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2084c52399beSRalf Baechle the price of higher memory consumption. This option is available 2085c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2086c52399beSRalf Baechle distribution to support this. 2087c52399beSRalf Baechle 20881da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 20891da177e4SLinus Torvalds bool "64kB" 209074c81ecdSRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000 20911da177e4SLinus Torvalds help 20921da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 20931da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 20941da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2095714bfad6SRalf Baechle writing this option is still high experimental. 20961da177e4SLinus Torvalds 20971da177e4SLinus Torvaldsendchoice 20981da177e4SLinus Torvalds 2099c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2100c9bace7cSDavid Daney int "Maximum zone order" 2101e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2102e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2103e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2104e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2105e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2106e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2107c9bace7cSDavid Daney range 11 64 2108c9bace7cSDavid Daney default "11" 2109c9bace7cSDavid Daney help 2110c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2111c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2112c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2113c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2114c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2115c9bace7cSDavid Daney increase this value. 2116c9bace7cSDavid Daney 2117c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2118c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2119c9bace7cSDavid Daney 2120c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2121c9bace7cSDavid Daney when choosing a value for this option. 2122c9bace7cSDavid Daney 21231da177e4SLinus Torvaldsconfig BOARD_SCACHE 21241da177e4SLinus Torvalds bool 21251da177e4SLinus Torvalds 21261da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 21271da177e4SLinus Torvalds bool 21281da177e4SLinus Torvalds select BOARD_SCACHE 21291da177e4SLinus Torvalds 21309318c51aSChris Dearman# 21319318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 21329318c51aSChris Dearman# 21339318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 21349318c51aSChris Dearman bool 21359318c51aSChris Dearman select BOARD_SCACHE 21369318c51aSChris Dearman 21371da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 21381da177e4SLinus Torvalds bool 21391da177e4SLinus Torvalds select BOARD_SCACHE 21401da177e4SLinus Torvalds 21411da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 21421da177e4SLinus Torvalds bool 21431da177e4SLinus Torvalds select BOARD_SCACHE 21441da177e4SLinus Torvalds 21451da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 21461da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 21471da177e4SLinus Torvalds depends on CPU_SB1 21481da177e4SLinus Torvalds help 21491da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 21501da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 21511da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 21521da177e4SLinus Torvalds 21531da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2154c8094b53SRalf Baechle bool 21551da177e4SLinus Torvalds 21563165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 21573165c846SFlorian Fainelli bool 21583165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 21593165c846SFlorian Fainelli 216091405eb6SFlorian Fainelliconfig CPU_R4K_FPU 216191405eb6SFlorian Fainelli bool 216291405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 216391405eb6SFlorian Fainelli 216462cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 216562cedc4fSFlorian Fainelli bool 216662cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 216762cedc4fSFlorian Fainelli 216859d6ab86SRalf Baechleconfig MIPS_MT_SMP 2169a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 21705676319cSMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 217159d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2172d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2173c080faa5SSteven J. Hill select SYNC_R4K 217459d6ab86SRalf Baechle select MIPS_MT 217559d6ab86SRalf Baechle select SMP 217687353d8aSRalf Baechle select SMP_UP 2177c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2178c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2179399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 218059d6ab86SRalf Baechle help 2181c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2182c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2183c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2184c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2185c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 218659d6ab86SRalf Baechle 2187f41ae0b2SRalf Baechleconfig MIPS_MT 2188f41ae0b2SRalf Baechle bool 2189f41ae0b2SRalf Baechle 21900ab7aefcSRalf Baechleconfig SCHED_SMT 21910ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 21920ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 21930ab7aefcSRalf Baechle default n 21940ab7aefcSRalf Baechle help 21950ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 21960ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 21970ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 21980ab7aefcSRalf Baechle 21990ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22000ab7aefcSRalf Baechle bool 22010ab7aefcSRalf Baechle 2202f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2203f41ae0b2SRalf Baechle bool 2204f41ae0b2SRalf Baechle 2205f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2206f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2207f088fc84SRalf Baechle default y 2208b633648cSRalf Baechle depends on MIPS_MT_SMP 220907cc0c9eSRalf Baechle 2210b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2211b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 2212b0a668fbSLeonid Yegoshin depends on CPU_MIPSR6 && !SMP 2213b0a668fbSLeonid Yegoshin default y 2214b0a668fbSLeonid Yegoshin help 2215b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2216b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 221707edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2218b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2219b0a668fbSLeonid Yegoshin final kernel image. 2220b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels" 2221b0a668fbSLeonid Yegoshin depends on SMP && CPU_MIPSR6 2222b0a668fbSLeonid Yegoshin 222307cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 222407cc0c9eSRalf Baechle bool "VPE loader support." 2225704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 222607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 222707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 222807cc0c9eSRalf Baechle select MIPS_MT 222907cc0c9eSRalf Baechle help 223007cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 223107cc0c9eSRalf Baechle onto another VPE and running it. 2232f088fc84SRalf Baechle 223317a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 223417a1d523SDeng-Cheng Zhu bool 223517a1d523SDeng-Cheng Zhu default "y" 223617a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 223717a1d523SDeng-Cheng Zhu 22381a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 22391a2a6d7eSDeng-Cheng Zhu bool 22401a2a6d7eSDeng-Cheng Zhu default "y" 22411a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 22421a2a6d7eSDeng-Cheng Zhu 2243e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2244e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2245e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2246e01402b1SRalf Baechle default y 2247e01402b1SRalf Baechle help 2248e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2249e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2250e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2251e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2252e01402b1SRalf Baechle 2253e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2254e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2255e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 22565e83d430SRalf Baechle help 2257e01402b1SRalf Baechle 2258da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2259da615cf6SDeng-Cheng Zhu bool 2260da615cf6SDeng-Cheng Zhu default "y" 2261da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2262da615cf6SDeng-Cheng Zhu 22632c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 22642c973ef0SDeng-Cheng Zhu bool 22652c973ef0SDeng-Cheng Zhu default "y" 22662c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 22672c973ef0SDeng-Cheng Zhu 22684a16ff4cSRalf Baechleconfig MIPS_CMP 22695cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 22705676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2271b10b43baSMarkos Chandras select SMP 2272eb9b5141STim Anderson select SYNC_R4K 2273b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 22744a16ff4cSRalf Baechle select WEAK_ORDERING 22754a16ff4cSRalf Baechle default n 22764a16ff4cSRalf Baechle help 2277044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2278044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2279044505c7SPaul Burton its ability to start secondary CPUs. 22804a16ff4cSRalf Baechle 22815cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 22825cac93b3SPaul Burton instead of this. 22835cac93b3SPaul Burton 22840ee958e1SPaul Burtonconfig MIPS_CPS 22850ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 22865a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 22870ee958e1SPaul Burton select MIPS_CM 22880ee958e1SPaul Burton select MIPS_CPC 22891d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 22900ee958e1SPaul Burton select SMP 22910ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 22921d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 22930ee958e1SPaul Burton select SYS_SUPPORTS_SMP 22940ee958e1SPaul Burton select WEAK_ORDERING 22950ee958e1SPaul Burton help 22960ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 22970ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 22980ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 22990ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 23000ee958e1SPaul Burton support is unavailable. 23010ee958e1SPaul Burton 23023179d37eSPaul Burtonconfig MIPS_CPS_PM 230339a59593SMarkos Chandras depends on MIPS_CPS 2304a8b84677SPaul Burton select MIPS_CPC 23053179d37eSPaul Burton bool 23063179d37eSPaul Burton 23079f98f3ddSPaul Burtonconfig MIPS_CM 23089f98f3ddSPaul Burton bool 23099f98f3ddSPaul Burton 23109c38cf44SPaul Burtonconfig MIPS_CPC 23119c38cf44SPaul Burton bool 23122600990eSRalf Baechle 23131da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 23141da177e4SLinus Torvalds bool 23151da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 23161da177e4SLinus Torvalds default y 23171da177e4SLinus Torvalds 23181da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 23191da177e4SLinus Torvalds bool 23201da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 23211da177e4SLinus Torvalds default y 23221da177e4SLinus Torvalds 23232235a54dSSanjay Lal 232460ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 232534adb28dSRalf Baechle bool 232660ec6571Spascal@pabr.org 23279e2b5372SMarkos Chandraschoice 23289e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 23299e2b5372SMarkos Chandras 23309e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 23319e2b5372SMarkos Chandras bool "None" 23329e2b5372SMarkos Chandras help 23339e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 23349e2b5372SMarkos Chandras 23359693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 23369693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 23379e2b5372SMarkos Chandras bool "SmartMIPS" 23389693a853SFranck Bui-Huu help 23399693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 23409693a853SFranck Bui-Huu increased security at both hardware and software level for 23419693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 23429693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 23439693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 23449693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 23459693a853SFranck Bui-Huu here. 23469693a853SFranck Bui-Huu 2347bce86083SSteven J. Hillconfig CPU_MICROMIPS 23487fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 23499e2b5372SMarkos Chandras bool "microMIPS" 2350bce86083SSteven J. Hill help 2351bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2352bce86083SSteven J. Hill microMIPS ISA 2353bce86083SSteven J. Hill 23549e2b5372SMarkos Chandrasendchoice 23559e2b5372SMarkos Chandras 2356a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 23570ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2358a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 23592a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2360a5e9a69eSPaul Burton help 2361a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2362a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 23631db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 23641db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 23651db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 23661db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 23671db1af84SPaul Burton the size & complexity of your kernel. 2368a5e9a69eSPaul Burton 2369a5e9a69eSPaul Burton If unsure, say Y. 2370a5e9a69eSPaul Burton 23711da177e4SLinus Torvaldsconfig CPU_HAS_WB 2372f7062ddbSRalf Baechle bool 2373e01402b1SRalf Baechle 2374df0ac8a4SKevin Cernekeeconfig XKS01 2375df0ac8a4SKevin Cernekee bool 2376df0ac8a4SKevin Cernekee 2377f41ae0b2SRalf Baechle# 2378f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2379f41ae0b2SRalf Baechle# 2380e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2381f41ae0b2SRalf Baechle bool 2382e01402b1SRalf Baechle 2383f41ae0b2SRalf Baechle# 2384f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2385f41ae0b2SRalf Baechle# 2386e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2387f41ae0b2SRalf Baechle bool 2388e01402b1SRalf Baechle 23891da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 23901da177e4SLinus Torvalds bool 23911da177e4SLinus Torvalds depends on !CPU_R3000 23921da177e4SLinus Torvalds default y 23931da177e4SLinus Torvalds 23941da177e4SLinus Torvalds# 239520d60d99SMaciej W. Rozycki# CPU non-features 239620d60d99SMaciej W. Rozycki# 239720d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 239820d60d99SMaciej W. Rozycki bool 239920d60d99SMaciej W. Rozycki 240020d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 240120d60d99SMaciej W. Rozycki bool 240220d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 240320d60d99SMaciej W. Rozycki 240420d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 240520d60d99SMaciej W. Rozycki bool 240620d60d99SMaciej W. Rozycki 240720d60d99SMaciej W. Rozycki# 24081da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 24091da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 24101da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 24111da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 24121da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 24131da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 24141da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 24151da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2416797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2417797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2418797798c1SRalf Baechle# support. 24191da177e4SLinus Torvalds# 24201da177e4SLinus Torvaldsconfig HIGHMEM 24211da177e4SLinus Torvalds bool "High Memory Support" 2422a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2423797798c1SRalf Baechle 2424797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2425797798c1SRalf Baechle bool 2426797798c1SRalf Baechle 2427797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2428797798c1SRalf Baechle bool 24291da177e4SLinus Torvalds 24309693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 24319693a853SFranck Bui-Huu bool 24329693a853SFranck Bui-Huu 2433a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2434a6a4834cSSteven J. Hill bool 2435a6a4834cSSteven J. Hill 2436377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2437377cb1b6SRalf Baechle bool 2438377cb1b6SRalf Baechle help 2439377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2440377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2441377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2442377cb1b6SRalf Baechle 2443a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2444a5e9a69eSPaul Burton bool 2445a5e9a69eSPaul Burton 2446b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2447b4819b59SYoichi Yuasa def_bool y 2448f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2449b4819b59SYoichi Yuasa 2450d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2451d8cb4e11SRalf Baechle bool 2452d8cb4e11SRalf Baechle default y if SGI_IP27 2453d8cb4e11SRalf Baechle help 24543dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2455d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2456d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2457d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2458d8cb4e11SRalf Baechle 2459b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2460b1c6cd42SAtsushi Nemoto bool 24617de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 246231473747SAtsushi Nemoto 2463d8cb4e11SRalf Baechleconfig NUMA 2464d8cb4e11SRalf Baechle bool "NUMA Support" 2465d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2466d8cb4e11SRalf Baechle help 2467d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2468d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2469d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2470d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2471d8cb4e11SRalf Baechle disabled. 2472d8cb4e11SRalf Baechle 2473d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2474d8cb4e11SRalf Baechle bool 2475d8cb4e11SRalf Baechle 2476c80d79d7SYasunori Gotoconfig NODES_SHIFT 2477c80d79d7SYasunori Goto int 2478c80d79d7SYasunori Goto default "6" 2479c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2480c80d79d7SYasunori Goto 248114f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 248214f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2483f14ceff7SHuacai Chen depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 248414f70012SDeng-Cheng Zhu default y 248514f70012SDeng-Cheng Zhu help 248614f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 248714f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 248814f70012SDeng-Cheng Zhu 2489b4819b59SYoichi Yuasasource "mm/Kconfig" 2490b4819b59SYoichi Yuasa 24911da177e4SLinus Torvaldsconfig SMP 24921da177e4SLinus Torvalds bool "Multi-Processing support" 2493e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2494e73ea273SRalf Baechle help 24951da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 24964a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 24974a474157SRobert Graffham than one CPU, say Y. 24981da177e4SLinus Torvalds 24994a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 25001da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 25011da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 25024a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 25031da177e4SLinus Torvalds will run faster if you say N here. 25041da177e4SLinus Torvalds 25051da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 25061da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 25071da177e4SLinus Torvalds 250803502faaSAdrian Bunk See also the SMP-HOWTO available at 250903502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 25101da177e4SLinus Torvalds 25111da177e4SLinus Torvalds If you don't know what to do here, say N. 25121da177e4SLinus Torvalds 251387353d8aSRalf Baechleconfig SMP_UP 251487353d8aSRalf Baechle bool 251587353d8aSRalf Baechle 25164a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 25174a16ff4cSRalf Baechle bool 25184a16ff4cSRalf Baechle 25190ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 25200ee958e1SPaul Burton bool 25210ee958e1SPaul Burton 2522e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2523e73ea273SRalf Baechle bool 2524e73ea273SRalf Baechle 2525130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2526130e2fb7SRalf Baechle bool 2527130e2fb7SRalf Baechle 2528130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2529130e2fb7SRalf Baechle bool 2530130e2fb7SRalf Baechle 2531130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2532130e2fb7SRalf Baechle bool 2533130e2fb7SRalf Baechle 2534130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2535130e2fb7SRalf Baechle bool 2536130e2fb7SRalf Baechle 2537130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2538130e2fb7SRalf Baechle bool 2539130e2fb7SRalf Baechle 25401da177e4SLinus Torvaldsconfig NR_CPUS 2541a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2542a91796a9SJayachandran C range 2 256 25431da177e4SLinus Torvalds depends on SMP 2544130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2545130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2546130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2547130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2548130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 25491da177e4SLinus Torvalds help 25501da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 25511da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 25521da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 255372ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 255472ede9b1SAtsushi Nemoto and 2 for all others. 25551da177e4SLinus Torvalds 25561da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 255772ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 255872ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 255972ede9b1SAtsushi Nemoto power of two. 25601da177e4SLinus Torvalds 2561399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2562399aaa25SAl Cooper bool 2563399aaa25SAl Cooper 25641723b4a3SAtsushi Nemoto# 25651723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 25661723b4a3SAtsushi Nemoto# 25671723b4a3SAtsushi Nemoto 25681723b4a3SAtsushi Nemotochoice 25691723b4a3SAtsushi Nemoto prompt "Timer frequency" 25701723b4a3SAtsushi Nemoto default HZ_250 25711723b4a3SAtsushi Nemoto help 25721723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 25731723b4a3SAtsushi Nemoto 257467596573SPaul Burton config HZ_24 257567596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 257667596573SPaul Burton 25771723b4a3SAtsushi Nemoto config HZ_48 25780f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 25791723b4a3SAtsushi Nemoto 25801723b4a3SAtsushi Nemoto config HZ_100 25811723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 25821723b4a3SAtsushi Nemoto 25831723b4a3SAtsushi Nemoto config HZ_128 25841723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 25851723b4a3SAtsushi Nemoto 25861723b4a3SAtsushi Nemoto config HZ_250 25871723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 25881723b4a3SAtsushi Nemoto 25891723b4a3SAtsushi Nemoto config HZ_256 25901723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 25911723b4a3SAtsushi Nemoto 25921723b4a3SAtsushi Nemoto config HZ_1000 25931723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 25941723b4a3SAtsushi Nemoto 25951723b4a3SAtsushi Nemoto config HZ_1024 25961723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 25971723b4a3SAtsushi Nemoto 25981723b4a3SAtsushi Nemotoendchoice 25991723b4a3SAtsushi Nemoto 260067596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 260167596573SPaul Burton bool 260267596573SPaul Burton 26031723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 26041723b4a3SAtsushi Nemoto bool 26051723b4a3SAtsushi Nemoto 26061723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 26071723b4a3SAtsushi Nemoto bool 26081723b4a3SAtsushi Nemoto 26091723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 26101723b4a3SAtsushi Nemoto bool 26111723b4a3SAtsushi Nemoto 26121723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 26131723b4a3SAtsushi Nemoto bool 26141723b4a3SAtsushi Nemoto 26151723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 26161723b4a3SAtsushi Nemoto bool 26171723b4a3SAtsushi Nemoto 26181723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 26191723b4a3SAtsushi Nemoto bool 26201723b4a3SAtsushi Nemoto 26211723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 26221723b4a3SAtsushi Nemoto bool 26231723b4a3SAtsushi Nemoto 26241723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 26251723b4a3SAtsushi Nemoto bool 262667596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 262767596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 262867596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 262967596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 263067596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 263167596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 263267596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 26331723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 26341723b4a3SAtsushi Nemoto 26351723b4a3SAtsushi Nemotoconfig HZ 26361723b4a3SAtsushi Nemoto int 263767596573SPaul Burton default 24 if HZ_24 26381723b4a3SAtsushi Nemoto default 48 if HZ_48 26391723b4a3SAtsushi Nemoto default 100 if HZ_100 26401723b4a3SAtsushi Nemoto default 128 if HZ_128 26411723b4a3SAtsushi Nemoto default 250 if HZ_250 26421723b4a3SAtsushi Nemoto default 256 if HZ_256 26431723b4a3SAtsushi Nemoto default 1000 if HZ_1000 26441723b4a3SAtsushi Nemoto default 1024 if HZ_1024 26451723b4a3SAtsushi Nemoto 264696685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 264796685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 264896685b17SDeng-Cheng Zhu 2649e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 26501da177e4SLinus Torvalds 2651ea6e942bSAtsushi Nemotoconfig KEXEC 26527d60717eSKees Cook bool "Kexec system call" 26532965faa5SDave Young select KEXEC_CORE 2654ea6e942bSAtsushi Nemoto help 2655ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2656ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 26573dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2658ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2659ea6e942bSAtsushi Nemoto 266001dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2661ea6e942bSAtsushi Nemoto 2662ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2663ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2664bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2665bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2666bf220695SGeert Uytterhoeven made. 2667ea6e942bSAtsushi Nemoto 26687aa1c8f4SRalf Baechleconfig CRASH_DUMP 26697aa1c8f4SRalf Baechle bool "Kernel crash dumps" 26707aa1c8f4SRalf Baechle help 26717aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 26727aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 26737aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 26747aa1c8f4SRalf Baechle a specially reserved region and then later executed after 26757aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 26767aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 26777aa1c8f4SRalf Baechle PHYSICAL_START. 26787aa1c8f4SRalf Baechle 26797aa1c8f4SRalf Baechleconfig PHYSICAL_START 26807aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 26817aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 26827aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 26837aa1c8f4SRalf Baechle depends on CRASH_DUMP 26847aa1c8f4SRalf Baechle help 26857aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 26867aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 26877aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 26887aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 26897aa1c8f4SRalf Baechle passed to the panic-ed kernel). 26907aa1c8f4SRalf Baechle 2691ea6e942bSAtsushi Nemotoconfig SECCOMP 2692ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2693293c5bd1SRalf Baechle depends on PROC_FS 2694ea6e942bSAtsushi Nemoto default y 2695ea6e942bSAtsushi Nemoto help 2696ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2697ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2698ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2699ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2700ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2701ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2702ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2703ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2704ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2705ea6e942bSAtsushi Nemoto 2706ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2707ea6e942bSAtsushi Nemoto 2708597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 27090ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2710597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2711597ce172SPaul Burton help 2712597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2713597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2714597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2715597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2716597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2717597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2718597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2719597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2720597ce172SPaul Burton saying N here. 2721597ce172SPaul Burton 272206e2e882SPaul Burton Although binutils currently supports use of this flag the details 272306e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 272406e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 272506e2e882SPaul Burton behaviour before the details have been finalised, this option should 272606e2e882SPaul Burton be considered experimental and only enabled by those working upon 272706e2e882SPaul Burton said details. 272806e2e882SPaul Burton 272906e2e882SPaul Burton If unsure, say N. 2730597ce172SPaul Burton 2731f2ffa5abSDezhong Diaoconfig USE_OF 27320b3e06fdSJonas Gorski bool 2733f2ffa5abSDezhong Diao select OF 2734e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2735abd2363fSGrant Likely select IRQ_DOMAIN 2736f2ffa5abSDezhong Diao 27377fafb068SAndrew Brestickerconfig BUILTIN_DTB 27387fafb068SAndrew Bresticker bool 27397fafb068SAndrew Bresticker 27401da8f179SJonas Gorskichoice 27415b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 27421da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 27431da8f179SJonas Gorski 27441da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 27451da8f179SJonas Gorski bool "None" 27461da8f179SJonas Gorski help 27471da8f179SJonas Gorski Do not enable appended dtb support. 27481da8f179SJonas Gorski 274987db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 275087db537dSAaro Koskinen bool "vmlinux" 275187db537dSAaro Koskinen help 275287db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 275387db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 275487db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 275587db537dSAaro Koskinen objcopy: 275687db537dSAaro Koskinen 275787db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 275887db537dSAaro Koskinen 275987db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 276087db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 276187db537dSAaro Koskinen the documented boot protocol using a device tree. 276287db537dSAaro Koskinen 27631da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 27641da8f179SJonas Gorski bool "vmlinux.bin" 27651da8f179SJonas Gorski help 27661da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 27671da8f179SJonas Gorski DTB) appended to raw vmlinux.bin (without decompressor). 27681da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 27691da8f179SJonas Gorski 27701da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 27711da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 27721da8f179SJonas Gorski the documented boot protocol using a device tree. 27731da8f179SJonas Gorski 27741da8f179SJonas Gorski Beware that there is very little in terms of protection against 27751da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 27761da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 27771da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 27781da8f179SJonas Gorski if you don't intend to always append a DTB. 2779c0b4e101SJonas Gorski 2780c0b4e101SJonas Gorski config MIPS_ZBOOT_APPENDED_DTB 2781c0b4e101SJonas Gorski bool "vmlinuz.bin" 2782c0b4e101SJonas Gorski depends on SYS_SUPPORTS_ZBOOT 2783c0b4e101SJonas Gorski help 2784c0b4e101SJonas Gorski With this option, the boot code will look for a device tree binary 2785c0b4e101SJonas Gorski DTB) appended to raw vmlinuz.bin (with decompressor). 2786c0b4e101SJonas Gorski (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb). 2787c0b4e101SJonas Gorski 2788c0b4e101SJonas Gorski This is meant as a backward compatibility convenience for those 2789c0b4e101SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 2790c0b4e101SJonas Gorski the documented boot protocol using a device tree. 2791c0b4e101SJonas Gorski 2792c0b4e101SJonas Gorski Beware that there is very little in terms of protection against 2793c0b4e101SJonas Gorski this option being confused by leftover garbage in memory that might 2794c0b4e101SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 2795c0b4e101SJonas Gorski to vmlinuz.bin. Do not leave this option active in a production kernel 2796c0b4e101SJonas Gorski if you don't intend to always append a DTB. 27971da8f179SJonas Gorskiendchoice 27981da8f179SJonas Gorski 27992024972eSJonas Gorskichoice 28002024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 28012bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 28022bcef9b4SJonas Gorski !MIPS_MALTA && !MIPS_SEAD3 && \ 28032bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 28042024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 28052024972eSJonas Gorski 28062024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 28072024972eSJonas Gorski depends on USE_OF 28082024972eSJonas Gorski bool "Dtb kernel arguments if available" 28092024972eSJonas Gorski 28102024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 28112024972eSJonas Gorski depends on USE_OF 28122024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 28132024972eSJonas Gorski 28142024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 28152024972eSJonas Gorski bool "Bootloader kernel arguments if available" 28162024972eSJonas Gorskiendchoice 28172024972eSJonas Gorski 28185e83d430SRalf Baechleendmenu 28195e83d430SRalf Baechle 28201df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 28211df0f0ffSAtsushi Nemoto bool 28221df0f0ffSAtsushi Nemoto default y 28231df0f0ffSAtsushi Nemoto 28241df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 28251df0f0ffSAtsushi Nemoto bool 28261df0f0ffSAtsushi Nemoto default y 28271df0f0ffSAtsushi Nemoto 2828e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 2829e1e16115SAaro Koskinen bool 2830e1e16115SAaro Koskinen default y 2831e1e16115SAaro Koskinen 2832a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2833a728ab52SKirill A. Shutemov int 2834a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2835a728ab52SKirill A. Shutemov default 2 2836a728ab52SKirill A. Shutemov 2837b6c3539bSRalf Baechlesource "init/Kconfig" 2838b6c3539bSRalf Baechle 2839dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2840dc52ddc0SMatt Helsley 28411da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 28421da177e4SLinus Torvalds 28435e83d430SRalf Baechleconfig HW_HAS_EISA 28445e83d430SRalf Baechle bool 28451da177e4SLinus Torvaldsconfig HW_HAS_PCI 28461da177e4SLinus Torvalds bool 28471da177e4SLinus Torvalds 28481da177e4SLinus Torvaldsconfig PCI 28491da177e4SLinus Torvalds bool "Support for PCI controller" 28501da177e4SLinus Torvalds depends on HW_HAS_PCI 2851abb4ae46SRalf Baechle select PCI_DOMAINS 28520f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 28531da177e4SLinus Torvalds help 28541da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 28551da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 28561da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 28571da177e4SLinus Torvalds say Y, otherwise N. 28581da177e4SLinus Torvalds 28590e476d91SHuacai Chenconfig HT_PCI 28600e476d91SHuacai Chen bool "Support for HT-linked PCI" 28610e476d91SHuacai Chen default y 28620e476d91SHuacai Chen depends on CPU_LOONGSON3 28630e476d91SHuacai Chen select PCI 28640e476d91SHuacai Chen select PCI_DOMAINS 28650e476d91SHuacai Chen help 28660e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 28670e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 28680e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 28690e476d91SHuacai Chen 28701da177e4SLinus Torvaldsconfig PCI_DOMAINS 28711da177e4SLinus Torvalds bool 28721da177e4SLinus Torvalds 28731da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 28741da177e4SLinus Torvalds 28751da177e4SLinus Torvalds# 28761da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 28771da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 28781da177e4SLinus Torvalds# users to choose the right thing ... 28791da177e4SLinus Torvalds# 28801da177e4SLinus Torvaldsconfig ISA 28811da177e4SLinus Torvalds bool 28821da177e4SLinus Torvalds 28831da177e4SLinus Torvaldsconfig EISA 28841da177e4SLinus Torvalds bool "EISA support" 28855e83d430SRalf Baechle depends on HW_HAS_EISA 28861da177e4SLinus Torvalds select ISA 2887aa414dffSRalf Baechle select GENERIC_ISA_DMA 28881da177e4SLinus Torvalds ---help--- 28891da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 28901da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 28911da177e4SLinus Torvalds 28921da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 28931da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 28941da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 28951da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 28961da177e4SLinus Torvalds 28971da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 28981da177e4SLinus Torvalds 28991da177e4SLinus Torvalds Otherwise, say N. 29001da177e4SLinus Torvalds 29011da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 29021da177e4SLinus Torvalds 29031da177e4SLinus Torvaldsconfig TC 29041da177e4SLinus Torvalds bool "TURBOchannel support" 29051da177e4SLinus Torvalds depends on MACH_DECSTATION 29061da177e4SLinus Torvalds help 290750a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 290850a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 290950a23e6eSJustin P. Mattock at: 291050a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 291150a23e6eSJustin P. Mattock and: 291250a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 291350a23e6eSJustin P. Mattock Linux driver support status is documented at: 291450a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 29151da177e4SLinus Torvalds 29161da177e4SLinus Torvaldsconfig MMU 29171da177e4SLinus Torvalds bool 29181da177e4SLinus Torvalds default y 29191da177e4SLinus Torvalds 2920d865bea4SRalf Baechleconfig I8253 2921d865bea4SRalf Baechle bool 2922798778b8SRussell King select CLKSRC_I8253 29232d02612fSThomas Gleixner select CLKEVT_I8253 29249726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2925d865bea4SRalf Baechle 2926e05eb3f8SRalf Baechleconfig ZONE_DMA 2927e05eb3f8SRalf Baechle bool 2928e05eb3f8SRalf Baechle 2929cce335aeSRalf Baechleconfig ZONE_DMA32 2930cce335aeSRalf Baechle bool 2931cce335aeSRalf Baechle 29321da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 29331da177e4SLinus Torvalds 2934388b78adSAlexandre Bounineconfig RAPIDIO 293556abde72SAlexandre Bounine tristate "RapidIO support" 2936388b78adSAlexandre Bounine depends on PCI 2937388b78adSAlexandre Bounine default n 2938388b78adSAlexandre Bounine help 2939388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2940388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2941388b78adSAlexandre Bounine 2942388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2943388b78adSAlexandre Bounine 29441da177e4SLinus Torvaldsendmenu 29451da177e4SLinus Torvalds 29461da177e4SLinus Torvaldsmenu "Executable file formats" 29471da177e4SLinus Torvalds 29481da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 29491da177e4SLinus Torvalds 29501da177e4SLinus Torvaldsconfig TRAD_SIGNALS 29511da177e4SLinus Torvalds bool 29521da177e4SLinus Torvalds 29531da177e4SLinus Torvaldsconfig MIPS32_COMPAT 295478aaf956SRalf Baechle bool 29551da177e4SLinus Torvalds 29561da177e4SLinus Torvaldsconfig COMPAT 29571da177e4SLinus Torvalds bool 29581da177e4SLinus Torvalds 295905e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 296005e43966SAtsushi Nemoto bool 296105e43966SAtsushi Nemoto 29621da177e4SLinus Torvaldsconfig MIPS32_O32 29631da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 296478aaf956SRalf Baechle depends on 64BIT 296578aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 296678aaf956SRalf Baechle select COMPAT 296778aaf956SRalf Baechle select MIPS32_COMPAT 296878aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 29691da177e4SLinus Torvalds help 29701da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 29711da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 29721da177e4SLinus Torvalds existing binaries are in this format. 29731da177e4SLinus Torvalds 29741da177e4SLinus Torvalds If unsure, say Y. 29751da177e4SLinus Torvalds 29761da177e4SLinus Torvaldsconfig MIPS32_N32 29771da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 2978c22eacfeSRalf Baechle depends on 64BIT 297978aaf956SRalf Baechle select COMPAT 298078aaf956SRalf Baechle select MIPS32_COMPAT 298178aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 29821da177e4SLinus Torvalds help 29831da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 29841da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 29851da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 29861da177e4SLinus Torvalds cases. 29871da177e4SLinus Torvalds 29881da177e4SLinus Torvalds If unsure, say N. 29891da177e4SLinus Torvalds 29901da177e4SLinus Torvaldsconfig BINFMT_ELF32 29911da177e4SLinus Torvalds bool 29921da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 29931da177e4SLinus Torvalds 29942116245eSRalf Baechleendmenu 29951da177e4SLinus Torvalds 29962116245eSRalf Baechlemenu "Power management options" 2997952fa954SRodolfo Giometti 2998363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2999363c55caSWu Zhangjin def_bool y 30003f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3001363c55caSWu Zhangjin 3002f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3003f4cb5700SJohannes Berg def_bool y 30043f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3005f4cb5700SJohannes Berg 30062116245eSRalf Baechlesource "kernel/power/Kconfig" 3007952fa954SRodolfo Giometti 30081da177e4SLinus Torvaldsendmenu 30091da177e4SLinus Torvalds 30107a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 30117a998935SViresh Kumar bool 30127a998935SViresh Kumar 30137a998935SViresh Kumarmenu "CPU Power Management" 3014c095ebafSPaul Burton 3015c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 30167a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 30177a998935SViresh Kumarendif 30189726b43aSWu Zhangjin 3019c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3020c095ebafSPaul Burton 3021c095ebafSPaul Burtonendmenu 3022c095ebafSPaul Burton 3023d5950b43SSam Ravnborgsource "net/Kconfig" 3024d5950b43SSam Ravnborg 30251da177e4SLinus Torvaldssource "drivers/Kconfig" 30261da177e4SLinus Torvalds 302798cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 302898cdee0eSRalf Baechle 30291da177e4SLinus Torvaldssource "fs/Kconfig" 30301da177e4SLinus Torvalds 30311da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 30321da177e4SLinus Torvalds 30331da177e4SLinus Torvaldssource "security/Kconfig" 30341da177e4SLinus Torvalds 30351da177e4SLinus Torvaldssource "crypto/Kconfig" 30361da177e4SLinus Torvalds 30371da177e4SLinus Torvaldssource "lib/Kconfig" 30382235a54dSSanjay Lal 30392235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3040