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 186077776bSDaniel Borkmann select HAVE_CBPF_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 5142a0bb3fSPetr Mladek select HAVE_NMI 524febd95aSStephen Rothwell select VIRT_TO_BUS 532f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 542f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5550150d2bSAl Viro select CLONE_BACKWARDS 56d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5719952a92SKees Cook select HAVE_CC_STACKPROTECTOR 58b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 59cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 6090cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 61d79d853dSMarkos Chandras select SYSCTL_EXCEPTION_TRACE 62bb877e96SDeng-Cheng Zhu select HAVE_VIRT_CPU_ACCOUNTING_GEN 63ec9ddad3SDeng-Cheng Zhu select HAVE_IRQ_TIME_ACCOUNTING 64a7f4df4eSAlex Smith select GENERIC_TIME_VSYSCALL 65a7f4df4eSAlex Smith select ARCH_CLOCKSOURCE_DATA 661d2753a6SDavid Daney select HANDLE_DOMAIN_IRQ 67432c6bacSPaul Burton select HAVE_EXIT_THREAD 68*08bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 691da177e4SLinus Torvalds 701da177e4SLinus Torvaldsmenu "Machine selection" 711da177e4SLinus Torvalds 725e83d430SRalf Baechlechoice 735e83d430SRalf Baechle prompt "System type" 745e83d430SRalf Baechle default SGI_IP22 751da177e4SLinus Torvalds 7642a4f17dSManuel Laussconfig MIPS_ALCHEMY 77c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 7834adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 79f772cdb2SRalf Baechle select CEVT_R4K 80d7ea335cSSteven J. Hill select CSRC_R4K 8167e38cf2SRalf Baechle select IRQ_MIPS_CPU 8288e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 8342a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 8442a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 8542a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 86d30a2b47SLinus Walleij select GPIOLIB 871b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 8847440229SManuel Lauss select COMMON_CLK 891da177e4SLinus Torvalds 907ca5dc14SFlorian Fainelliconfig AR7 917ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 927ca5dc14SFlorian Fainelli select BOOT_ELF32 937ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 947ca5dc14SFlorian Fainelli select CEVT_R4K 957ca5dc14SFlorian Fainelli select CSRC_R4K 9667e38cf2SRalf Baechle select IRQ_MIPS_CPU 977ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 987ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 997ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1007ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1017ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1027ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 103377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1041b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 105d30a2b47SLinus Walleij select GPIOLIB 1067ca5dc14SFlorian Fainelli select VLYNQ 1078551fb64SYoichi Yuasa select HAVE_CLK 1087ca5dc14SFlorian Fainelli help 1097ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1107ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1117ca5dc14SFlorian Fainelli 11243cc739fSSergey Ryazanovconfig ATH25 11343cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 11443cc739fSSergey Ryazanov select CEVT_R4K 11543cc739fSSergey Ryazanov select CSRC_R4K 11643cc739fSSergey Ryazanov select DMA_NONCOHERENT 11767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1181753e74eSSergey Ryazanov select IRQ_DOMAIN 11943cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 12043cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 12143cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1228aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 12343cc739fSSergey Ryazanov help 12443cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 12543cc739fSSergey Ryazanov 126d4a67d9dSGabor Juhosconfig ATH79 127d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 128ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 129d4a67d9dSGabor Juhos select BOOT_RAW 130d4a67d9dSGabor Juhos select CEVT_R4K 131d4a67d9dSGabor Juhos select CSRC_R4K 132d4a67d9dSGabor Juhos select DMA_NONCOHERENT 133d30a2b47SLinus Walleij select GPIOLIB 13494638067SGabor Juhos select HAVE_CLK 135411520afSAlban Bedel select COMMON_CLK 1362c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 13767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1380aabf1a4SGabor Juhos select MIPS_MACHINE 139d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 140d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 141d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 142d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 143377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 144b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 14503c8c407SAlban Bedel select USE_OF 146d4a67d9dSGabor Juhos help 147d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 148d4a67d9dSGabor Juhos 1495f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 1505f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 151d666cd02SKevin Cernekee select BOOT_RAW 152d666cd02SKevin Cernekee select NO_EXCEPT_FILL 153d666cd02SKevin Cernekee select USE_OF 154d666cd02SKevin Cernekee select CEVT_R4K 155d666cd02SKevin Cernekee select CSRC_R4K 156d666cd02SKevin Cernekee select SYNC_R4K 157d666cd02SKevin Cernekee select COMMON_CLK 158c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 15960b858f2SKevin Cernekee select BCM7038_L1_IRQ 16060b858f2SKevin Cernekee select BCM7120_L2_IRQ 16160b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 16267e38cf2SRalf Baechle select IRQ_MIPS_CPU 16360b858f2SKevin Cernekee select DMA_NONCOHERENT 164d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 16560b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 166d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 167d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 16860b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 16960b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 17060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 171d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 172d666cd02SKevin Cernekee select SWAP_IO_SPACE 17360b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 17460b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 17560b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 17660b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 177d666cd02SKevin Cernekee help 1785f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 1795f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 1805f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 1815f2d4459SKevin Cernekee must be set appropriately for your board. 182d666cd02SKevin Cernekee 1831c0c13ebSAurelien Jarnoconfig BCM47XX 184c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 185fe08f8c2SHauke Mehrtens select BOOT_RAW 18642f77542SRalf Baechle select CEVT_R4K 187940f6b48SRalf Baechle select CSRC_R4K 1881c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1891c0c13ebSAurelien Jarno select HW_HAS_PCI 19067e38cf2SRalf Baechle select IRQ_MIPS_CPU 191314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 192dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1931c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1941c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 195377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 19625e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 197e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 198c949c0bcSRafał Miłecki select GPIOLIB 199c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 200f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2012ab71a02SRafał Miłecki select BCM47XX_SPROM 2021c0c13ebSAurelien Jarno help 2031c0c13ebSAurelien Jarno Support for BCM47XX based boards 2041c0c13ebSAurelien Jarno 205e7300d04SMaxime Bizonconfig BCM63XX 206e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 207ae8de61cSFlorian Fainelli select BOOT_RAW 208e7300d04SMaxime Bizon select CEVT_R4K 209e7300d04SMaxime Bizon select CSRC_R4K 210fc264022SJonas Gorski select SYNC_R4K 211e7300d04SMaxime Bizon select DMA_NONCOHERENT 21267e38cf2SRalf Baechle select IRQ_MIPS_CPU 213e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 214e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 215e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 216e7300d04SMaxime Bizon select SWAP_IO_SPACE 217d30a2b47SLinus Walleij select GPIOLIB 2183e82eeebSYoichi Yuasa select HAVE_CLK 219af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 220e7300d04SMaxime Bizon help 221e7300d04SMaxime Bizon Support for BCM63XX based boards 222e7300d04SMaxime Bizon 2231da177e4SLinus Torvaldsconfig MIPS_COBALT 2243fa986faSMartin Michlmayr bool "Cobalt Server" 22542f77542SRalf Baechle select CEVT_R4K 226940f6b48SRalf Baechle select CSRC_R4K 2271097c6acSYoichi Yuasa select CEVT_GT641XX 2281da177e4SLinus Torvalds select DMA_NONCOHERENT 2291da177e4SLinus Torvalds select HW_HAS_PCI 230d865bea4SRalf Baechle select I8253 2311da177e4SLinus Torvalds select I8259 23267e38cf2SRalf Baechle select IRQ_MIPS_CPU 233d5ab1a69SYoichi Yuasa select IRQ_GT641XX 234252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 235e25bfc92SYoichi Yuasa select PCI 2367cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2370a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 238ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2390e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2405e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 241e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvaldsconfig MACH_DECSTATION 2443fa986faSMartin Michlmayr bool "DECstations" 2451da177e4SLinus Torvalds select BOOT_ELF32 2466457d9fcSYoichi Yuasa select CEVT_DS1287 24781d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2484247417dSYoichi Yuasa select CSRC_IOASIC 24981d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 25020d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 25120d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 25220d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 2531da177e4SLinus Torvalds select DMA_NONCOHERENT 254ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 25567e38cf2SRalf Baechle select IRQ_MIPS_CPU 2567cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 2577cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 258ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2597d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2605e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2611723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 2621723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 2631723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 264930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2655e83d430SRalf Baechle help 2661da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2671da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2681da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2691da177e4SLinus Torvalds 2701da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2711da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2721da177e4SLinus Torvalds 2731da177e4SLinus Torvalds DECstation 5000/50 2741da177e4SLinus Torvalds DECstation 5000/150 2751da177e4SLinus Torvalds DECstation 5000/260 2761da177e4SLinus Torvalds DECsystem 5900/260 2771da177e4SLinus Torvalds 2781da177e4SLinus Torvalds otherwise choose R3000. 2791da177e4SLinus Torvalds 2805e83d430SRalf Baechleconfig MACH_JAZZ 2813fa986faSMartin Michlmayr bool "Jazz family of machines" 2820e2794b0SRalf Baechle select FW_ARC 2830e2794b0SRalf Baechle select FW_ARC32 2845e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 28542f77542SRalf Baechle select CEVT_R4K 286940f6b48SRalf Baechle select CSRC_R4K 287e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2885e83d430SRalf Baechle select GENERIC_ISA_DMA 2898a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 29067e38cf2SRalf Baechle select IRQ_MIPS_CPU 291d865bea4SRalf Baechle select I8253 2925e83d430SRalf Baechle select I8259 2935e83d430SRalf Baechle select ISA 2947cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2955e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2967d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2971723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2981da177e4SLinus Torvalds help 2995e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3005e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 301692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3025e83d430SRalf Baechle Olivetti M700-10 workstations. 3035e83d430SRalf Baechle 304de361e8bSPaul Burtonconfig MACH_INGENIC 305de361e8bSPaul Burton bool "Ingenic SoC based machines" 3065ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3075ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 308f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3095ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 31067e38cf2SRalf Baechle select IRQ_MIPS_CPU 311d30a2b47SLinus Walleij select GPIOLIB 312ff1930c6SPaul Burton select COMMON_CLK 31383bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 314ffb1843dSPaul Burton select BUILTIN_DTB 315ffb1843dSPaul Burton select USE_OF 3166ec127fbSPaul Burton select LIBFDT 3175ebabe59SLars-Peter Clausen 318171bb2f1SJohn Crispinconfig LANTIQ 319171bb2f1SJohn Crispin bool "Lantiq based platforms" 320171bb2f1SJohn Crispin select DMA_NONCOHERENT 32167e38cf2SRalf Baechle select IRQ_MIPS_CPU 322171bb2f1SJohn Crispin select CEVT_R4K 323171bb2f1SJohn Crispin select CSRC_R4K 324171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 325171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 326171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 327171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 328377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 329171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 330171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 331d30a2b47SLinus Walleij select GPIOLIB 332171bb2f1SJohn Crispin select SWAP_IO_SPACE 333171bb2f1SJohn Crispin select BOOT_RAW 334287e3f3fSJohn Crispin select CLKDEV_LOOKUP 335a0392222SJohn Crispin select USE_OF 3363f8c50c9SJohn Crispin select PINCTRL 3373f8c50c9SJohn Crispin select PINCTRL_LANTIQ 338c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 339c530781cSJohn Crispin select RESET_CONTROLLER 340171bb2f1SJohn Crispin 3411f21d2bdSBrian Murphyconfig LASAT 3421f21d2bdSBrian Murphy bool "LASAT Networks platforms" 34342f77542SRalf Baechle select CEVT_R4K 34416f0bbbcSRalf Baechle select CRC32 345940f6b48SRalf Baechle select CSRC_R4K 3461f21d2bdSBrian Murphy select DMA_NONCOHERENT 3471f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3481f21d2bdSBrian Murphy select HW_HAS_PCI 34967e38cf2SRalf Baechle select IRQ_MIPS_CPU 3501f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 3511f21d2bdSBrian Murphy select MIPS_NILE4 3521f21d2bdSBrian Murphy select R5000_CPU_SCACHE 3531f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 3541f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 3551f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 3561f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 3571f21d2bdSBrian Murphy 35830ad29bbSHuacai Chenconfig MACH_LOONGSON32 35930ad29bbSHuacai Chen bool "Loongson-1 family of machines" 360c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 361ade299d8SYoichi Yuasa help 36230ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 36385749d24SWu Zhangjin 36430ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 36530ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 36630ad29bbSHuacai Chen Sciences (CAS). 367ade299d8SYoichi Yuasa 36830ad29bbSHuacai Chenconfig MACH_LOONGSON64 36930ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 370ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 371ca585cf9SKelvin Cheung help 37230ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 373ca585cf9SKelvin Cheung 37430ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 37530ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 37630ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 37730ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 37830ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 37930ad29bbSHuacai Chen Weiwu Hu. 380ca585cf9SKelvin Cheung 3816a438309SAndrew Brestickerconfig MACH_PISTACHIO 3826a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 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 389645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 390d30a2b47SLinus Walleij select GPIOLIB 39167e38cf2SRalf Baechle select IRQ_MIPS_CPU 3926a438309SAndrew Bresticker select LIBFDT 3936a438309SAndrew Bresticker select MFD_SYSCON 3946a438309SAndrew Bresticker select MIPS_CPU_SCACHE 3956a438309SAndrew Bresticker select MIPS_GIC 3966a438309SAndrew Bresticker select PINCTRL 3976a438309SAndrew Bresticker select REGULATOR 3986a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 3996a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4006a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4016a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4026a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 40341cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4046a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 405018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 406018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4076a438309SAndrew Bresticker select USE_OF 4086a438309SAndrew Bresticker help 4096a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4106a438309SAndrew Bresticker 4119937f5ffSZubair Lutfullah Kakakhelconfig MACH_XILFPGA 4129937f5ffSZubair Lutfullah Kakakhel bool "MIPSfpga Xilinx based boards" 4139937f5ffSZubair Lutfullah Kakakhel select BOOT_ELF32 4149937f5ffSZubair Lutfullah Kakakhel select BOOT_RAW 4159937f5ffSZubair Lutfullah Kakakhel select BUILTIN_DTB 4169937f5ffSZubair Lutfullah Kakakhel select CEVT_R4K 4179937f5ffSZubair Lutfullah Kakakhel select COMMON_CLK 4189937f5ffSZubair Lutfullah Kakakhel select CSRC_R4K 419d30a2b47SLinus Walleij select GPIOLIB 4209937f5ffSZubair Lutfullah Kakakhel select IRQ_MIPS_CPU 4219937f5ffSZubair Lutfullah Kakakhel select LIBFDT 4229937f5ffSZubair Lutfullah Kakakhel select MIPS_CPU_SCACHE 4239937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_EARLY_PRINTK 4249937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_CPU_MIPS32_R2 4259937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_32BIT_KERNEL 4269937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_LITTLE_ENDIAN 4279937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_ZBOOT_UART16550 4289937f5ffSZubair Lutfullah Kakakhel select USE_OF 4299937f5ffSZubair Lutfullah Kakakhel select USE_GENERIC_EARLY_PRINTK_8250 4309937f5ffSZubair Lutfullah Kakakhel help 4319937f5ffSZubair Lutfullah Kakakhel This enables support for the IMG University Program MIPSfpga platform. 4329937f5ffSZubair Lutfullah Kakakhel 4331da177e4SLinus Torvaldsconfig MIPS_MALTA 4343fa986faSMartin Michlmayr bool "MIPS Malta board" 43561ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 4361da177e4SLinus Torvalds select BOOT_ELF32 437fa71c960SRalf Baechle select BOOT_RAW 438e8823d26SPaul Burton select BUILTIN_DTB 43942f77542SRalf Baechle select CEVT_R4K 440940f6b48SRalf Baechle select CSRC_R4K 441fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 44242b002abSGuenter Roeck select COMMON_CLK 443885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 4441da177e4SLinus Torvalds select GENERIC_ISA_DMA 4458a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 44667e38cf2SRalf Baechle select IRQ_MIPS_CPU 4478a19b8f1SAndrew Bresticker select MIPS_GIC 4481da177e4SLinus Torvalds select HW_HAS_PCI 449d865bea4SRalf Baechle select I8253 4501da177e4SLinus Torvalds select I8259 4515e83d430SRalf Baechle select MIPS_BONITO64 4529318c51aSChris Dearman select MIPS_CPU_SCACHE 453a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 454252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 4555e83d430SRalf Baechle select MIPS_MSC 456ecafe3e9SPaul Burton select SMP_UP if SMP 4571da177e4SLinus Torvalds select SWAP_IO_SPACE 4587cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 4597cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 460bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 461c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 462575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 4637cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 4645d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 465575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 4667cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 4677cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 468ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 469ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4705e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 471c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 4725e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 473424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 4740365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 475e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 476377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 477f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 4789693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 4791b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 4808c530ea3SMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 481e8823d26SPaul Burton select USE_OF 482abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 483e81a8c7dSPaul Burton select BUILTIN_DTB 484e81a8c7dSPaul Burton select LIBFDT 4851da177e4SLinus Torvalds help 486f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 4871da177e4SLinus Torvalds board. 4881da177e4SLinus Torvalds 4892572f00dSJoshua Hendersonconfig MACH_PIC32 4902572f00dSJoshua Henderson bool "Microchip PIC32 Family" 4912572f00dSJoshua Henderson help 4922572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 4932572f00dSJoshua Henderson 4942572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 4952572f00dSJoshua Henderson microcontrollers. 4962572f00dSJoshua Henderson 497ec47b274SSteven J. Hillconfig MIPS_SEAD3 498ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 499ec47b274SSteven J. Hill select BOOT_ELF32 500ec47b274SSteven J. Hill select BOOT_RAW 501f262b5f2SAndrew Bresticker select BUILTIN_DTB 502ec47b274SSteven J. Hill select CEVT_R4K 503ec47b274SSteven J. Hill select CSRC_R4K 504fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50542b002abSGuenter Roeck select COMMON_CLK 506ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 507ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 508ec47b274SSteven J. Hill select DMA_NONCOHERENT 50967e38cf2SRalf Baechle select IRQ_MIPS_CPU 5108a19b8f1SAndrew Bresticker select MIPS_GIC 51144327236SQais Yousef select LIBFDT 512ec47b274SSteven J. Hill select MIPS_MSC 513ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 514ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 515d4594b27SPaul Burton select SYS_HAS_CPU_MIPS32_R6 516ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 517ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 518ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 519ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 520ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 521ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 522ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 523a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 524377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 5258c530ea3SMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 526ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 527ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 5289b731009SSteven J. Hill select USE_OF 529ec47b274SSteven J. Hill help 530ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 531ec47b274SSteven J. Hill board. 532ec47b274SSteven J. Hill 533a83860c2SRalf Baechleconfig NEC_MARKEINS 534a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 535a83860c2SRalf Baechle select SOC_EMMA2RH 536a83860c2SRalf Baechle select HW_HAS_PCI 537a83860c2SRalf Baechle help 538a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 539ade299d8SYoichi Yuasa 5405e83d430SRalf Baechleconfig MACH_VR41XX 54174142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 54242f77542SRalf Baechle select CEVT_R4K 543940f6b48SRalf Baechle select CSRC_R4K 5447cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 545377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 546d30a2b47SLinus Walleij select GPIOLIB 5475e83d430SRalf Baechle 548edb6310aSDaniel Lairdconfig NXP_STB220 549edb6310aSDaniel Laird bool "NXP STB220 board" 550edb6310aSDaniel Laird select SOC_PNX833X 551edb6310aSDaniel Laird help 552edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 553edb6310aSDaniel Laird 554edb6310aSDaniel Lairdconfig NXP_STB225 555edb6310aSDaniel Laird bool "NXP 225 board" 556edb6310aSDaniel Laird select SOC_PNX833X 557edb6310aSDaniel Laird select SOC_PNX8335 558edb6310aSDaniel Laird help 559edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 560edb6310aSDaniel Laird 5619267a30dSMarc St-Jeanconfig PMC_MSP 5629267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 56339d30c13SAnoop P A select CEVT_R4K 56439d30c13SAnoop P A select CSRC_R4K 5659267a30dSMarc St-Jean select DMA_NONCOHERENT 5669267a30dSMarc St-Jean select SWAP_IO_SPACE 5679267a30dSMarc St-Jean select NO_EXCEPT_FILL 5689267a30dSMarc St-Jean select BOOT_RAW 5699267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5709267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5719267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5729267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 573377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 57467e38cf2SRalf Baechle select IRQ_MIPS_CPU 5759267a30dSMarc St-Jean select SERIAL_8250 5769267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5779296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5789296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5799267a30dSMarc St-Jean help 5809267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 5819267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 5829267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 5839267a30dSMarc St-Jean a variety of MIPS cores. 5849267a30dSMarc St-Jean 585ae2b5bb6SJohn Crispinconfig RALINK 586ae2b5bb6SJohn Crispin bool "Ralink based machines" 587ae2b5bb6SJohn Crispin select CEVT_R4K 588ae2b5bb6SJohn Crispin select CSRC_R4K 589ae2b5bb6SJohn Crispin select BOOT_RAW 590ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 59167e38cf2SRalf Baechle select IRQ_MIPS_CPU 592ae2b5bb6SJohn Crispin select USE_OF 593ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 594ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 595ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 596ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 597377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 598ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 599ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6002a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6012a153f1cSJohn Crispin select RESET_CONTROLLER 602ae2b5bb6SJohn Crispin 6031da177e4SLinus Torvaldsconfig SGI_IP22 6043fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6050e2794b0SRalf Baechle select FW_ARC 6060e2794b0SRalf Baechle select FW_ARC32 6071da177e4SLinus Torvalds select BOOT_ELF32 60842f77542SRalf Baechle select CEVT_R4K 609940f6b48SRalf Baechle select CSRC_R4K 610e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6111da177e4SLinus Torvalds select DMA_NONCOHERENT 6125e83d430SRalf Baechle select HW_HAS_EISA 613d865bea4SRalf Baechle select I8253 61468de4803SThomas Bogendoerfer select I8259 6151da177e4SLinus Torvalds select IP22_CPU_SCACHE 61667e38cf2SRalf Baechle select IRQ_MIPS_CPU 617aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 618e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 619e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 62036e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 621e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 622e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 623e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6241da177e4SLinus Torvalds select SWAP_IO_SPACE 6257cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6267cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6272b5e63f6SMartin Michlmayr # 6282b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6292b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6302b5e63f6SMartin Michlmayr # 6312b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6322b5e63f6SMartin Michlmayr # for a more details discussion 6332b5e63f6SMartin Michlmayr # 6342b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 635ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 636ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6375e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 638930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6391da177e4SLinus Torvalds help 6401da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6411da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6421da177e4SLinus Torvalds that runs on these, say Y here. 6431da177e4SLinus Torvalds 6441da177e4SLinus Torvaldsconfig SGI_IP27 6453fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6460e2794b0SRalf Baechle select FW_ARC 6470e2794b0SRalf Baechle select FW_ARC64 6485e83d430SRalf Baechle select BOOT_ELF64 649e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 650634286f1SRalf Baechle select DMA_COHERENT 65136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6521da177e4SLinus Torvalds select HW_HAS_PCI 653130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6547cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 655ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6565e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 657d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6581a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 659930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6601da177e4SLinus Torvalds help 6611da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6621da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6631da177e4SLinus Torvalds here. 6641da177e4SLinus Torvalds 665e2defae5SThomas Bogendoerferconfig SGI_IP28 6667d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6670e2794b0SRalf Baechle select FW_ARC 6680e2794b0SRalf Baechle select FW_ARC64 669e2defae5SThomas Bogendoerfer select BOOT_ELF64 670e2defae5SThomas Bogendoerfer select CEVT_R4K 671e2defae5SThomas Bogendoerfer select CSRC_R4K 672e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 673e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 674e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 67567e38cf2SRalf Baechle select IRQ_MIPS_CPU 676e2defae5SThomas Bogendoerfer select HW_HAS_EISA 677e2defae5SThomas Bogendoerfer select I8253 678e2defae5SThomas Bogendoerfer select I8259 679e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 680e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 6815b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 682e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 683e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 684e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 685e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 686e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 6872b5e63f6SMartin Michlmayr # 6882b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6892b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6902b5e63f6SMartin Michlmayr # 6912b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6922b5e63f6SMartin Michlmayr # for a more details discussion 6932b5e63f6SMartin Michlmayr # 6942b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 695e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 696e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 697dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 698e2defae5SThomas Bogendoerfer help 699e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 700e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 701e2defae5SThomas Bogendoerfer 7021da177e4SLinus Torvaldsconfig SGI_IP32 703cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 7040e2794b0SRalf Baechle select FW_ARC 7050e2794b0SRalf Baechle select FW_ARC32 7061da177e4SLinus Torvalds select BOOT_ELF32 70742f77542SRalf Baechle select CEVT_R4K 708940f6b48SRalf Baechle select CSRC_R4K 7091da177e4SLinus Torvalds select DMA_NONCOHERENT 7101da177e4SLinus Torvalds select HW_HAS_PCI 71167e38cf2SRalf Baechle select IRQ_MIPS_CPU 7121da177e4SLinus Torvalds select R5000_CPU_SCACHE 7131da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7147cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7157cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7167cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 717dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 718ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7195e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7201da177e4SLinus Torvalds help 7211da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7221da177e4SLinus Torvalds 723ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 724ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7255e83d430SRalf Baechle select BOOT_ELF32 7265e83d430SRalf Baechle select DMA_COHERENT 7275e83d430SRalf Baechle select SIBYTE_BCM1120 7285e83d430SRalf Baechle select SWAP_IO_SPACE 7297cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7305e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7315e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7325e83d430SRalf Baechle 733ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 734ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7355e83d430SRalf Baechle select BOOT_ELF32 7365e83d430SRalf Baechle select DMA_COHERENT 7375e83d430SRalf Baechle select SIBYTE_BCM1120 7385e83d430SRalf Baechle select SWAP_IO_SPACE 7397cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7405e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7425e83d430SRalf Baechle 7435e83d430SRalf Baechleconfig SIBYTE_CRHONE 7443fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7455e83d430SRalf Baechle select BOOT_ELF32 7465e83d430SRalf Baechle select DMA_COHERENT 7475e83d430SRalf Baechle select SIBYTE_BCM1125 7485e83d430SRalf Baechle select SWAP_IO_SPACE 7497cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7505e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7515e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7525e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7535e83d430SRalf Baechle 754ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 755ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 756ade299d8SYoichi Yuasa select BOOT_ELF32 757ade299d8SYoichi Yuasa select DMA_COHERENT 758ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 759ade299d8SYoichi Yuasa select SWAP_IO_SPACE 760ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 761ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 762ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 763ade299d8SYoichi Yuasa 764ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 765ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 766ade299d8SYoichi Yuasa select BOOT_ELF32 767ade299d8SYoichi Yuasa select DMA_COHERENT 768fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 769ade299d8SYoichi Yuasa select SIBYTE_SB1250 770ade299d8SYoichi Yuasa select SWAP_IO_SPACE 771ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 772ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 773ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 774ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 775cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 776ade299d8SYoichi Yuasa 777ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 778ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 779ade299d8SYoichi Yuasa select BOOT_ELF32 780ade299d8SYoichi Yuasa select DMA_COHERENT 781fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 782ade299d8SYoichi Yuasa select SIBYTE_SB1250 783ade299d8SYoichi Yuasa select SWAP_IO_SPACE 784ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 785ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 786ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 787ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 788ade299d8SYoichi Yuasa 789ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 790ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 791ade299d8SYoichi Yuasa select BOOT_ELF32 792ade299d8SYoichi Yuasa select DMA_COHERENT 793ade299d8SYoichi Yuasa select SIBYTE_SB1250 794ade299d8SYoichi Yuasa select SWAP_IO_SPACE 795ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 796ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 797ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 798ade299d8SYoichi Yuasa 799ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 800ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 801ade299d8SYoichi Yuasa select BOOT_ELF32 802ade299d8SYoichi Yuasa select DMA_COHERENT 803ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 804ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 805ade299d8SYoichi Yuasa select SWAP_IO_SPACE 806ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 807ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 808651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 809ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 810cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 811ade299d8SYoichi Yuasa 81214b36af4SThomas Bogendoerferconfig SNI_RM 81314b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8140e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8150e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 816aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8175e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 8185e83d430SRalf Baechle select BOOT_ELF32 81942f77542SRalf Baechle select CEVT_R4K 820940f6b48SRalf Baechle select CSRC_R4K 821e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8225e83d430SRalf Baechle select DMA_NONCOHERENT 8235e83d430SRalf Baechle select GENERIC_ISA_DMA 8248a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8255e83d430SRalf Baechle select HW_HAS_EISA 8265e83d430SRalf Baechle select HW_HAS_PCI 82767e38cf2SRalf Baechle select IRQ_MIPS_CPU 828d865bea4SRalf Baechle select I8253 8295e83d430SRalf Baechle select I8259 8305e83d430SRalf Baechle select ISA 8314a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8327cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8334a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 834c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8354a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 83636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 837ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8387d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8394a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8405e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8421da177e4SLinus Torvalds help 84314b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 84414b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8455e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8465e83d430SRalf Baechle support this machine type. 8471da177e4SLinus Torvalds 848edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 849edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8505e83d430SRalf Baechle 851edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 852edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 85323fbee9dSRalf Baechle 85473b4390fSRalf Baechleconfig MIKROTIK_RB532 85573b4390fSRalf Baechle bool "Mikrotik RB532 boards" 85673b4390fSRalf Baechle select CEVT_R4K 85773b4390fSRalf Baechle select CSRC_R4K 85873b4390fSRalf Baechle select DMA_NONCOHERENT 85973b4390fSRalf Baechle select HW_HAS_PCI 86067e38cf2SRalf Baechle select IRQ_MIPS_CPU 86173b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 86273b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 86373b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 86473b4390fSRalf Baechle select SWAP_IO_SPACE 86573b4390fSRalf Baechle select BOOT_RAW 866d30a2b47SLinus Walleij select GPIOLIB 867930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 86873b4390fSRalf Baechle help 86973b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 87073b4390fSRalf Baechle based on the IDT RC32434 SoC. 87173b4390fSRalf Baechle 8729ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8739ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 874a86c7f72SDavid Daney select CEVT_R4K 87534adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 876a86c7f72SDavid Daney select DMA_COHERENT 877a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 878a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 879f65aad41SRalf Baechle select EDAC_SUPPORT 880b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 88173569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 88273569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 883a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 8845e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 885e8635b48SDavid Daney select HW_HAS_PCI 886f00e001eSDavid Daney select ZONE_DMA32 887465aaed0SDavid Daney select HOLES_IN_ZONE 888d30a2b47SLinus Walleij select GPIOLIB 8896e511163SDavid Daney select LIBFDT 8906e511163SDavid Daney select USE_OF 8916e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 8926e511163SDavid Daney select SYS_SUPPORTS_SMP 8936e511163SDavid Daney select NR_CPUS_DEFAULT_16 894e326479fSAndrew Bresticker select BUILTIN_DTB 8958c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 896a86c7f72SDavid Daney help 897a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 898a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 899a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 900a86c7f72SDavid Daney Some of the supported boards are: 901a86c7f72SDavid Daney EBT3000 902a86c7f72SDavid Daney EBH3000 903a86c7f72SDavid Daney EBH3100 904a86c7f72SDavid Daney Thunder 905a86c7f72SDavid Daney Kodama 906a86c7f72SDavid Daney Hikari 907a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 908a86c7f72SDavid Daney 9097f058e85SJayachandran Cconfig NLM_XLR_BOARD 9107f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9117f058e85SJayachandran C select BOOT_ELF32 9127f058e85SJayachandran C select NLM_COMMON 9137f058e85SJayachandran C select SYS_HAS_CPU_XLR 9147f058e85SJayachandran C select SYS_SUPPORTS_SMP 9157f058e85SJayachandran C select HW_HAS_PCI 9167f058e85SJayachandran C select SWAP_IO_SPACE 9177f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9187f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 91934adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 9207f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9217f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9227f058e85SJayachandran C select DMA_COHERENT 9237f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9247f058e85SJayachandran C select CEVT_R4K 9257f058e85SJayachandran C select CSRC_R4K 92667e38cf2SRalf Baechle select IRQ_MIPS_CPU 927b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9287f058e85SJayachandran C select SYNC_R4K 9297f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9308f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9318f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9327f058e85SJayachandran C help 9337f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9347f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9357f058e85SJayachandran C 9361c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9371c773ea4SJayachandran C bool "Netlogic XLP based systems" 9381c773ea4SJayachandran C select BOOT_ELF32 9391c773ea4SJayachandran C select NLM_COMMON 9401c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9411c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9421c773ea4SJayachandran C select HW_HAS_PCI 9431c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9441c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 94534adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 946d30a2b47SLinus Walleij select GPIOLIB 9471c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9481c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9491c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9501c773ea4SJayachandran C select DMA_COHERENT 9511c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9521c773ea4SJayachandran C select CEVT_R4K 9531c773ea4SJayachandran C select CSRC_R4K 95467e38cf2SRalf Baechle select IRQ_MIPS_CPU 955b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9561c773ea4SJayachandran C select SYNC_R4K 9571c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9582f6528e1SJayachandran C select USE_OF 9598f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9608f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9611c773ea4SJayachandran C help 9621c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9631c773ea4SJayachandran C Say Y here if you have a XLP based board. 9641c773ea4SJayachandran C 9659bc463beSDavid Daneyconfig MIPS_PARAVIRT 9669bc463beSDavid Daney bool "Para-Virtualized guest system" 9679bc463beSDavid Daney select CEVT_R4K 9689bc463beSDavid Daney select CSRC_R4K 9699bc463beSDavid Daney select DMA_COHERENT 9709bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9719bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9729bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9739bc463beSDavid Daney select SYS_SUPPORTS_SMP 9749bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9759bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9769bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9779bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9789bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9799bc463beSDavid Daney select HW_HAS_PCI 9809bc463beSDavid Daney select SWAP_IO_SPACE 9819bc463beSDavid Daney help 9829bc463beSDavid Daney This option supports guest running under ???? 9839bc463beSDavid Daney 9841da177e4SLinus Torvaldsendchoice 9851da177e4SLinus Torvalds 986e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 9873b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 988d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 989a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 990e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 9918945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 9925e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 9935ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 9948ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 9951f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 9962572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 997af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 9980f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 999ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 100029c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 100138b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 100222b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10035e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1004a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 100530ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 100630ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10077f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1008ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 10099937f5ffSZubair Lutfullah Kakakhelsource "arch/mips/xilfpga/Kconfig" 101038b18f72SRalf Baechle 10115e83d430SRalf Baechleendmenu 10125e83d430SRalf Baechle 10131da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10141da177e4SLinus Torvalds bool 10151da177e4SLinus Torvalds default y 10161da177e4SLinus Torvalds 10171da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10181da177e4SLinus Torvalds bool 10191da177e4SLinus Torvalds 1020f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 1021f0d1b0b3SDavid Howells bool 1022f0d1b0b3SDavid Howells default n 1023f0d1b0b3SDavid Howells 1024f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 1025f0d1b0b3SDavid Howells bool 1026f0d1b0b3SDavid Howells default n 1027f0d1b0b3SDavid Howells 10283c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10293c9ee7efSAkinobu Mita bool 10303c9ee7efSAkinobu Mita default y 10313c9ee7efSAkinobu Mita 10321da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10331da177e4SLinus Torvalds bool 10341da177e4SLinus Torvalds default y 10351da177e4SLinus Torvalds 1036ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10371cc89038SAtsushi Nemoto bool 10381cc89038SAtsushi Nemoto default y 10391cc89038SAtsushi Nemoto 10401da177e4SLinus Torvalds# 10411da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10421da177e4SLinus Torvalds# 10430e2794b0SRalf Baechleconfig FW_ARC 10441da177e4SLinus Torvalds bool 10451da177e4SLinus Torvalds 104661ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 104761ed242dSRalf Baechle bool 104861ed242dSRalf Baechle 10499267a30dSMarc St-Jeanconfig BOOT_RAW 10509267a30dSMarc St-Jean bool 10519267a30dSMarc St-Jean 1052217dd11eSRalf Baechleconfig CEVT_BCM1480 1053217dd11eSRalf Baechle bool 1054217dd11eSRalf Baechle 10556457d9fcSYoichi Yuasaconfig CEVT_DS1287 10566457d9fcSYoichi Yuasa bool 10576457d9fcSYoichi Yuasa 10581097c6acSYoichi Yuasaconfig CEVT_GT641XX 10591097c6acSYoichi Yuasa bool 10601097c6acSYoichi Yuasa 106142f77542SRalf Baechleconfig CEVT_R4K 106242f77542SRalf Baechle bool 106342f77542SRalf Baechle 1064217dd11eSRalf Baechleconfig CEVT_SB1250 1065217dd11eSRalf Baechle bool 1066217dd11eSRalf Baechle 1067229f773eSAtsushi Nemotoconfig CEVT_TXX9 1068229f773eSAtsushi Nemoto bool 1069229f773eSAtsushi Nemoto 1070217dd11eSRalf Baechleconfig CSRC_BCM1480 1071217dd11eSRalf Baechle bool 1072217dd11eSRalf Baechle 10734247417dSYoichi Yuasaconfig CSRC_IOASIC 10744247417dSYoichi Yuasa bool 10754247417dSYoichi Yuasa 1076940f6b48SRalf Baechleconfig CSRC_R4K 1077940f6b48SRalf Baechle bool 1078940f6b48SRalf Baechle 1079217dd11eSRalf Baechleconfig CSRC_SB1250 1080217dd11eSRalf Baechle bool 1081217dd11eSRalf Baechle 1082a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1083a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1084a7f4df4eSAlex Smith 1085a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1086d30a2b47SLinus Walleij select GPIOLIB 1087a9aec7feSAtsushi Nemoto bool 1088a9aec7feSAtsushi Nemoto 10890e2794b0SRalf Baechleconfig FW_CFE 1090df78b5c8SAurelien Jarno bool 1091df78b5c8SAurelien Jarno 10924bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 109334adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 10944bafad92SFUJITA Tomonori 109540e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 109640e084a5SRalf Baechle bool 109740e084a5SRalf Baechle 1098885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1099885014bcSFelix Fietkau select DMA_NONCOHERENT 1100885014bcSFelix Fietkau bool 1101885014bcSFelix Fietkau 11021da177e4SLinus Torvaldsconfig DMA_COHERENT 11031da177e4SLinus Torvalds bool 11041da177e4SLinus Torvalds 11051da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11061da177e4SLinus Torvalds bool 1107e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 11084ce588cdSRalf Baechle 1109e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 11104ce588cdSRalf Baechle bool 11111da177e4SLinus Torvalds 111236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11131da177e4SLinus Torvalds bool 11141da177e4SLinus Torvalds 11151b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1116dbb74540SRalf Baechle bool 1117dbb74540SRalf Baechle 11181da177e4SLinus Torvaldsconfig MIPS_BONITO64 11191da177e4SLinus Torvalds bool 11201da177e4SLinus Torvalds 11211da177e4SLinus Torvaldsconfig MIPS_MSC 11221da177e4SLinus Torvalds bool 11231da177e4SLinus Torvalds 11241f21d2bdSBrian Murphyconfig MIPS_NILE4 11251f21d2bdSBrian Murphy bool 11261f21d2bdSBrian Murphy 112739b8d525SRalf Baechleconfig SYNC_R4K 112839b8d525SRalf Baechle bool 112939b8d525SRalf Baechle 1130487d70d0SGabor Juhosconfig MIPS_MACHINE 1131487d70d0SGabor Juhos def_bool n 1132487d70d0SGabor Juhos 1133ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1134d388d685SMaciej W. Rozycki def_bool n 1135d388d685SMaciej W. Rozycki 11364e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11374e0748f5SMarkos Chandras bool 11384e0748f5SMarkos Chandras 11398313da30SRalf Baechleconfig GENERIC_ISA_DMA 11408313da30SRalf Baechle bool 11418313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1142a35bee8aSNamhyung Kim select ISA_DMA_API 11438313da30SRalf Baechle 1144aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1145aa414dffSRalf Baechle bool 11468313da30SRalf Baechle select GENERIC_ISA_DMA 1147aa414dffSRalf Baechle 1148a35bee8aSNamhyung Kimconfig ISA_DMA_API 1149a35bee8aSNamhyung Kim bool 1150a35bee8aSNamhyung Kim 1151465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1152465aaed0SDavid Daney bool 1153465aaed0SDavid Daney 11548c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11558c530ea3SMatt Redfearn bool 11568c530ea3SMatt Redfearn help 11578c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11588c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11598c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11608c530ea3SMatt Redfearn 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 1348b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 1349d30a2b47SLinus Walleij select GPIOLIB 13500e476d91SHuacai Chen help 13510e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13520e476d91SHuacai Chen set with many extensions. 13530e476d91SHuacai Chen 13541e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13551e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13561e820da3SHuacai Chen default n 13571e820da3SHuacai Chen select CPU_MIPSR2 13581e820da3SHuacai Chen select CPU_HAS_PREFETCH 13591e820da3SHuacai Chen depends on CPU_LOONGSON3 13601e820da3SHuacai Chen help 13611e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13621e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13631e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 13641e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13651e820da3SHuacai Chen Fast TLB refill support, etc. 13661e820da3SHuacai Chen 13671e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13681e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13691e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 13701e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 13711e820da3SHuacai Chen 13723702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13733702bba5SWu Zhangjin bool "Loongson 2E" 13743702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 13753702bba5SWu Zhangjin select CPU_LOONGSON2 13762a21c730SFuxin Zhang help 13772a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13782a21c730SFuxin Zhang with many extensions. 13792a21c730SFuxin Zhang 138025985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13816f7a251aSWu Zhangjin bonito64. 13826f7a251aSWu Zhangjin 13836f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13846f7a251aSWu Zhangjin bool "Loongson 2F" 13856f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 13866f7a251aSWu Zhangjin select CPU_LOONGSON2 1387d30a2b47SLinus Walleij select GPIOLIB 13886f7a251aSWu Zhangjin help 13896f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13906f7a251aSWu Zhangjin with many extensions. 13916f7a251aSWu Zhangjin 13926f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13936f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13946f7a251aSWu Zhangjin Loongson2E. 13956f7a251aSWu Zhangjin 1396ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1397ca585cf9SKelvin Cheung bool "Loongson 1B" 1398ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1399ca585cf9SKelvin Cheung select CPU_LOONGSON1 14009ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1401ca585cf9SKelvin Cheung help 1402ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1403ca585cf9SKelvin Cheung release 2 instruction set. 1404ca585cf9SKelvin Cheung 14056e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14066e760c8dSRalf Baechle bool "MIPS32 Release 1" 14077cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14086e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1409797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1410ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14116e760c8dSRalf Baechle help 14125e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14131e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14141e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14151e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14161e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14171e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14181e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14191e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14201e5f1caaSRalf Baechle performance. 14211e5f1caaSRalf Baechle 14221e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14231e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14247cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14251e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1426797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1427ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1428a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14292235a54dSSanjay Lal select HAVE_KVM 14301e5f1caaSRalf Baechle help 14315e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14326e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14336e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14346e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14356e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14361da177e4SLinus Torvalds 14377fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1438674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14397fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14407fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14417fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14427fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14437fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14444e0748f5SMarkos Chandras select GENERIC_CSUM 14457fd08ca5SLeonid Yegoshin select HAVE_KVM 14467fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14477fd08ca5SLeonid Yegoshin help 14487fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14497fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14507fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14517fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14527fd08ca5SLeonid Yegoshin 14536e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14546e760c8dSRalf Baechle bool "MIPS64 Release 1" 14557cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1456797798c1SRalf Baechle select CPU_HAS_PREFETCH 1457ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1458ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1459ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14609cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14616e760c8dSRalf Baechle help 14626e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14636e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14646e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14656e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14666e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14671e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14681e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14691e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14701e5f1caaSRalf Baechle performance. 14711e5f1caaSRalf Baechle 14721e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 14731e5f1caaSRalf Baechle bool "MIPS64 Release 2" 14747cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1475797798c1SRalf Baechle select CPU_HAS_PREFETCH 14761e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14771e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1478ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14799cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1480a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 148140a2df49SJames Hogan select HAVE_KVM 14821e5f1caaSRalf Baechle help 14831e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 14841e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14851e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14861e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14871e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14881da177e4SLinus Torvalds 14897fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1490674d10e2SMarkos Chandras bool "MIPS64 Release 6" 14917fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 14927fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14937fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14947fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 14957fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14967fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14974e0748f5SMarkos Chandras select GENERIC_CSUM 14984e9d324dSPaul Burton select MIPS_O32_FP64_SUPPORT if MIPS32_O32 149940a2df49SJames Hogan select HAVE_KVM 15007fd08ca5SLeonid Yegoshin help 15017fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15027fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15037fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15047fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15057fd08ca5SLeonid Yegoshin 15061da177e4SLinus Torvaldsconfig CPU_R3000 15071da177e4SLinus Torvalds bool "R3000" 15087cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1509f7062ddbSRalf Baechle select CPU_HAS_WB 1510ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1511797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15121da177e4SLinus Torvalds help 15131da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15141da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15151da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15161da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15171da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15181da177e4SLinus Torvalds try to recompile with R3000. 15191da177e4SLinus Torvalds 15201da177e4SLinus Torvaldsconfig CPU_TX39XX 15211da177e4SLinus Torvalds bool "R39XX" 15227cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1523ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15241da177e4SLinus Torvalds 15251da177e4SLinus Torvaldsconfig CPU_VR41XX 15261da177e4SLinus Torvalds bool "R41xx" 15277cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1528ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1529ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15301da177e4SLinus Torvalds help 15315e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15321da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15331da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15341da177e4SLinus Torvalds processor or vice versa. 15351da177e4SLinus Torvalds 15361da177e4SLinus Torvaldsconfig CPU_R4300 15371da177e4SLinus Torvalds bool "R4300" 15387cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1539ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1540ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15411da177e4SLinus Torvalds help 15421da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15431da177e4SLinus Torvalds 15441da177e4SLinus Torvaldsconfig CPU_R4X00 15451da177e4SLinus Torvalds bool "R4x00" 15467cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1547ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1548ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1549970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15501da177e4SLinus Torvalds help 15511da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15521da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15531da177e4SLinus Torvalds 15541da177e4SLinus Torvaldsconfig CPU_TX49XX 15551da177e4SLinus Torvalds bool "R49XX" 15567cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1557de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1558ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1559ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1560970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15611da177e4SLinus Torvalds 15621da177e4SLinus Torvaldsconfig CPU_R5000 15631da177e4SLinus Torvalds bool "R5000" 15647cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1565ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1566ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1567970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15681da177e4SLinus Torvalds help 15691da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 15701da177e4SLinus Torvalds 15711da177e4SLinus Torvaldsconfig CPU_R5432 15721da177e4SLinus Torvalds bool "R5432" 15737cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 15745e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15755e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1576970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15771da177e4SLinus Torvalds 1578542c1020SShinya Kuribayashiconfig CPU_R5500 1579542c1020SShinya Kuribayashi bool "R5500" 1580542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1581542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1582542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 15839cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1584542c1020SShinya Kuribayashi help 1585542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1586542c1020SShinya Kuribayashi instruction set. 1587542c1020SShinya Kuribayashi 15881da177e4SLinus Torvaldsconfig CPU_R6000 15891da177e4SLinus Torvalds bool "R6000" 15907cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1591ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15921da177e4SLinus Torvalds help 15931da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1594c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 15951da177e4SLinus Torvalds 15961da177e4SLinus Torvaldsconfig CPU_NEVADA 15971da177e4SLinus Torvalds bool "RM52xx" 15987cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1599ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1600ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1601970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16021da177e4SLinus Torvalds help 16031da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16041da177e4SLinus Torvalds 16051da177e4SLinus Torvaldsconfig CPU_R8000 16061da177e4SLinus Torvalds bool "R8000" 16077cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 16085e83d430SRalf Baechle select CPU_HAS_PREFETCH 1609ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16101da177e4SLinus Torvalds help 16111da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 16121da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16131da177e4SLinus Torvalds 16141da177e4SLinus Torvaldsconfig CPU_R10000 16151da177e4SLinus Torvalds bool "R10000" 16167cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16175e83d430SRalf Baechle select CPU_HAS_PREFETCH 1618ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1619ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1620797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1621970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16221da177e4SLinus Torvalds help 16231da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16241da177e4SLinus Torvalds 16251da177e4SLinus Torvaldsconfig CPU_RM7000 16261da177e4SLinus Torvalds bool "RM7000" 16277cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16285e83d430SRalf Baechle select CPU_HAS_PREFETCH 1629ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1630ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1631797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1632970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16331da177e4SLinus Torvalds 16341da177e4SLinus Torvaldsconfig CPU_SB1 16351da177e4SLinus Torvalds bool "SB1" 16367cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1637ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1638ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1639797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1640970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16410004a9dfSRalf Baechle select WEAK_ORDERING 16421da177e4SLinus Torvalds 1643a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1644a86c7f72SDavid Daney bool "Cavium Octeon processor" 16455e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1646a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1647a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1648a86c7f72SDavid Daney select WEAK_ORDERING 1649a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16509cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1651df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1652df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1653930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1654a86c7f72SDavid Daney help 1655a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1656a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1657a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1658a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1659a86c7f72SDavid Daney 1660cd746249SJonas Gorskiconfig CPU_BMIPS 1661cd746249SJonas Gorski bool "Broadcom BMIPS" 1662cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1663cd746249SJonas Gorski select CPU_MIPS32 1664fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1665cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1666cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1667cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1668cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1669cd746249SJonas Gorski select DMA_NONCOHERENT 167067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1671cd746249SJonas Gorski select SWAP_IO_SPACE 1672cd746249SJonas Gorski select WEAK_ORDERING 1673c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 167469aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1675c1c0c461SKevin Cernekee help 1676fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1677c1c0c461SKevin Cernekee 16787f058e85SJayachandran Cconfig CPU_XLR 16797f058e85SJayachandran C bool "Netlogic XLR SoC" 16807f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 16817f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16827f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16837f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1684970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16857f058e85SJayachandran C select WEAK_ORDERING 16867f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16877f058e85SJayachandran C help 16887f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 16891c773ea4SJayachandran C 16901c773ea4SJayachandran Cconfig CPU_XLP 16911c773ea4SJayachandran C bool "Netlogic XLP SoC" 16921c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 16931c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16941c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16951c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 16961c773ea4SJayachandran C select WEAK_ORDERING 16971c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16981c773ea4SJayachandran C select CPU_HAS_PREFETCH 1699d6504846SJayachandran C select CPU_MIPSR2 1700ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17012db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17021c773ea4SJayachandran C help 17031c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17041da177e4SLinus Torvaldsendchoice 17051da177e4SLinus Torvalds 1706a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1707a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1708a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17097fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1710a6e18781SLeonid Yegoshin help 1711a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1712a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1713a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1714a6e18781SLeonid Yegoshin 1715a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1716a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1717a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1718a6e18781SLeonid Yegoshin select EVA 1719a6e18781SLeonid Yegoshin default y 1720a6e18781SLeonid Yegoshin help 1721a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1722a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1723a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1724a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1725a6e18781SLeonid Yegoshin 1726c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1727c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1728c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1729c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1730c5b36783SSteven J. Hill help 1731c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1732c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1733c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1734c5b36783SSteven J. Hill 1735c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1736c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1737c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1738c5b36783SSteven J. Hill depends on !EVA 1739c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1740c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1741c5b36783SSteven J. Hill select XPA 1742c5b36783SSteven J. Hill select HIGHMEM 1743c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1744c5b36783SSteven J. Hill default n 1745c5b36783SSteven J. Hill help 1746c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1747c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1748c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1749c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1750c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1751c5b36783SSteven J. Hill If unsure, say 'N' here. 1752c5b36783SSteven J. Hill 1753622844bfSWu Zhangjinif CPU_LOONGSON2F 1754622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1755622844bfSWu Zhangjin bool 1756622844bfSWu Zhangjin 1757622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1758622844bfSWu Zhangjin bool 1759622844bfSWu Zhangjin 1760622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1761622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1762622844bfSWu Zhangjin default y 1763622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1764622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1765622844bfSWu Zhangjin help 1766622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1767622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1768622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1769622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1770622844bfSWu Zhangjin 1771622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1772622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1773622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1774622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1775622844bfSWu Zhangjin systems. 1776622844bfSWu Zhangjin 1777622844bfSWu Zhangjin If unsure, please say Y. 1778622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1779622844bfSWu Zhangjin 17801b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 17811b93b3c3SWu Zhangjin bool 17821b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 17831b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 178431c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 17851b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1786fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 17874e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 17881b93b3c3SWu Zhangjin 17891b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 17901b93b3c3SWu Zhangjin bool 17911b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 17921b93b3c3SWu Zhangjin 1793dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1794dbb98314SAlban Bedel bool 1795dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1796dbb98314SAlban Bedel 17973702bba5SWu Zhangjinconfig CPU_LOONGSON2 17983702bba5SWu Zhangjin bool 17993702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18003702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18013702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1802970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18033702bba5SWu Zhangjin 1804ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1805ca585cf9SKelvin Cheung bool 1806ca585cf9SKelvin Cheung select CPU_MIPS32 1807ca585cf9SKelvin Cheung select CPU_MIPSR2 1808ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1809ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1810ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1811f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1812ca585cf9SKelvin Cheung 1813fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 181404fa8bf7SJonas Gorski select SMP_UP if SMP 18151bbb6c1bSKevin Cernekee bool 1816cd746249SJonas Gorski 1817cd746249SJonas Gorskiconfig CPU_BMIPS4350 1818cd746249SJonas Gorski bool 1819cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1820cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1821cd746249SJonas Gorski 1822cd746249SJonas Gorskiconfig CPU_BMIPS4380 1823cd746249SJonas Gorski bool 1824bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1825cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1826cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1827b4720809SFlorian Fainelli select CPU_HAS_RIXI 1828cd746249SJonas Gorski 1829cd746249SJonas Gorskiconfig CPU_BMIPS5000 1830cd746249SJonas Gorski bool 1831cd746249SJonas Gorski select MIPS_CPU_SCACHE 1832bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1833cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1834cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1835b4720809SFlorian Fainelli select CPU_HAS_RIXI 18361bbb6c1bSKevin Cernekee 18370e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18380e476d91SHuacai Chen bool 18390e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1840b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18410e476d91SHuacai Chen 18423702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18432a21c730SFuxin Zhang bool 18442a21c730SFuxin Zhang 18456f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18466f7a251aSWu Zhangjin bool 184755045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 184855045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 184922f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 18506f7a251aSWu Zhangjin 1851ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1852ca585cf9SKelvin Cheung bool 1853ca585cf9SKelvin Cheung 18547cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18557cf8053bSRalf Baechle bool 18567cf8053bSRalf Baechle 18577cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18587cf8053bSRalf Baechle bool 18597cf8053bSRalf Baechle 1860a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1861a6e18781SLeonid Yegoshin bool 1862a6e18781SLeonid Yegoshin 1863c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1864c5b36783SSteven J. Hill bool 1865c5b36783SSteven J. Hill 18667fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 18677fd08ca5SLeonid Yegoshin bool 18687fd08ca5SLeonid Yegoshin 18697cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 18707cf8053bSRalf Baechle bool 18717cf8053bSRalf Baechle 18727cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 18737cf8053bSRalf Baechle bool 18747cf8053bSRalf Baechle 18757fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 18767fd08ca5SLeonid Yegoshin bool 18777fd08ca5SLeonid Yegoshin 18787cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 18797cf8053bSRalf Baechle bool 18807cf8053bSRalf Baechle 18817cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 18827cf8053bSRalf Baechle bool 18837cf8053bSRalf Baechle 18847cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 18857cf8053bSRalf Baechle bool 18867cf8053bSRalf Baechle 18877cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 18887cf8053bSRalf Baechle bool 18897cf8053bSRalf Baechle 18907cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 18917cf8053bSRalf Baechle bool 18927cf8053bSRalf Baechle 18937cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 18947cf8053bSRalf Baechle bool 18957cf8053bSRalf Baechle 18967cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 18977cf8053bSRalf Baechle bool 18987cf8053bSRalf Baechle 18997cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 19007cf8053bSRalf Baechle bool 19017cf8053bSRalf Baechle 1902542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1903542c1020SShinya Kuribayashi bool 1904542c1020SShinya Kuribayashi 19057cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 19067cf8053bSRalf Baechle bool 19077cf8053bSRalf Baechle 19087cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19097cf8053bSRalf Baechle bool 19107cf8053bSRalf Baechle 19117cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 19127cf8053bSRalf Baechle bool 19137cf8053bSRalf Baechle 19147cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19157cf8053bSRalf Baechle bool 19167cf8053bSRalf Baechle 19177cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19187cf8053bSRalf Baechle bool 19197cf8053bSRalf Baechle 19207cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19217cf8053bSRalf Baechle bool 19227cf8053bSRalf Baechle 19235e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19245e683389SDavid Daney bool 19255e683389SDavid Daney 1926cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1927c1c0c461SKevin Cernekee bool 1928c1c0c461SKevin Cernekee 1929fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1930c1c0c461SKevin Cernekee bool 1931cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1932c1c0c461SKevin Cernekee 1933c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1934c1c0c461SKevin Cernekee bool 1935cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1936c1c0c461SKevin Cernekee 1937c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1938c1c0c461SKevin Cernekee bool 1939cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1940c1c0c461SKevin Cernekee 1941c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1942c1c0c461SKevin Cernekee bool 1943cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1944c1c0c461SKevin Cernekee 19457f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 19467f058e85SJayachandran C bool 19477f058e85SJayachandran C 19481c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 19491c773ea4SJayachandran C bool 19501c773ea4SJayachandran C 1951b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1952b6911bbaSPaul Burton depends on MIPS_MALTA 1953b6911bbaSPaul Burton depends on PCI 1954b6911bbaSPaul Burton bool 1955b6911bbaSPaul Burton default y 1956b6911bbaSPaul Burton 195717099b11SRalf Baechle# 195817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 195917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 196017099b11SRalf Baechle# 19610004a9dfSRalf Baechleconfig WEAK_ORDERING 19620004a9dfSRalf Baechle bool 196317099b11SRalf Baechle 196417099b11SRalf Baechle# 196517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 196617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 196717099b11SRalf Baechle# 196817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 196917099b11SRalf Baechle bool 19705e83d430SRalf Baechleendmenu 19715e83d430SRalf Baechle 19725e83d430SRalf Baechle# 19735e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19745e83d430SRalf Baechle# 19755e83d430SRalf Baechleconfig CPU_MIPS32 19765e83d430SRalf Baechle bool 19777fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 19785e83d430SRalf Baechle 19795e83d430SRalf Baechleconfig CPU_MIPS64 19805e83d430SRalf Baechle bool 19817fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 19825e83d430SRalf Baechle 19835e83d430SRalf Baechle# 1984c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 19855e83d430SRalf Baechle# 19865e83d430SRalf Baechleconfig CPU_MIPSR1 19875e83d430SRalf Baechle bool 19885e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 19895e83d430SRalf Baechle 19905e83d430SRalf Baechleconfig CPU_MIPSR2 19915e83d430SRalf Baechle bool 1992a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 19938256b17eSFlorian Fainelli select CPU_HAS_RIXI 1994a7e07b1aSMarkos Chandras select MIPS_SPRAM 19955e83d430SRalf Baechle 19967fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 19977fd08ca5SLeonid Yegoshin bool 19987fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 19998256b17eSFlorian Fainelli select CPU_HAS_RIXI 200087321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20012db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 2002a7e07b1aSMarkos Chandras select MIPS_SPRAM 20035e83d430SRalf Baechle 2004a6e18781SLeonid Yegoshinconfig EVA 2005a6e18781SLeonid Yegoshin bool 2006a6e18781SLeonid Yegoshin 2007c5b36783SSteven J. Hillconfig XPA 2008c5b36783SSteven J. Hill bool 2009c5b36783SSteven J. Hill 20105e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20115e83d430SRalf Baechle bool 20125e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20135e83d430SRalf Baechle bool 20145e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20155e83d430SRalf Baechle bool 20165e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20175e83d430SRalf Baechle bool 201855045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 201955045ff5SWu Zhangjin bool 202055045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 202155045ff5SWu Zhangjin bool 20229cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20239cffd154SDavid Daney bool 202422f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 202522f1fdfdSWu Zhangjin bool 202682622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 202782622284SDavid Daney bool 2028d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 20295e83d430SRalf Baechle 20308192c9eaSDavid Daney# 20318192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20328192c9eaSDavid Daney# 20338192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20348192c9eaSDavid Daney bool 2035679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20368192c9eaSDavid Daney 20375e83d430SRalf Baechlemenu "Kernel type" 20385e83d430SRalf Baechle 20395e83d430SRalf Baechlechoice 20405e83d430SRalf Baechle prompt "Kernel code model" 20415e83d430SRalf Baechle help 20425e83d430SRalf Baechle You should only select this option if you have a workload that 20435e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20445e83d430SRalf Baechle large memory. You will only be presented a single option in this 20455e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20465e83d430SRalf Baechle 20475e83d430SRalf Baechleconfig 32BIT 20485e83d430SRalf Baechle bool "32-bit kernel" 20495e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20505e83d430SRalf Baechle select TRAD_SIGNALS 20515e83d430SRalf Baechle help 20525e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2053f17c4ca3SRalf Baechle 20545e83d430SRalf Baechleconfig 64BIT 20555e83d430SRalf Baechle bool "64-bit kernel" 20565e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20575e83d430SRalf Baechle help 20585e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 20595e83d430SRalf Baechle 20605e83d430SRalf Baechleendchoice 20615e83d430SRalf Baechle 20622235a54dSSanjay Lalconfig KVM_GUEST 20632235a54dSSanjay Lal bool "KVM Guest Kernel" 2064f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 20652235a54dSSanjay Lal help 2066caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2067caa1faa7SJames Hogan mode. 20682235a54dSSanjay Lal 2069eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2070eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 20712235a54dSSanjay Lal depends on KVM_GUEST 2072eda3d33cSJames Hogan default 100 20732235a54dSSanjay Lal help 2074eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2075eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2076eda3d33cSJames Hogan timer frequency is specified directly. 20772235a54dSSanjay Lal 20781e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 20791e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 20801e321fa9SLeonid Yegoshin depends on 64BIT 20811e321fa9SLeonid Yegoshin help 20821e321fa9SLeonid Yegoshin Support a maximum at least 48 bits of application virtual memory. 20831e321fa9SLeonid Yegoshin Default is 40 bits or less, depending on the CPU. 20841e321fa9SLeonid Yegoshin This option result in a small memory overhead for page tables. 20851e321fa9SLeonid Yegoshin This option is only supported with 16k and 64k page sizes. 20861e321fa9SLeonid Yegoshin If unsure, say N. 20871e321fa9SLeonid Yegoshin 20881da177e4SLinus Torvaldschoice 20891da177e4SLinus Torvalds prompt "Kernel page size" 20901da177e4SLinus Torvalds default PAGE_SIZE_4KB 20911da177e4SLinus Torvalds 20921da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 20931da177e4SLinus Torvalds bool "4kB" 20940e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 20951e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 20961da177e4SLinus Torvalds help 20971da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 20981da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 20991da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21001da177e4SLinus Torvalds recommended for low memory systems. 21011da177e4SLinus Torvalds 21021da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21031da177e4SLinus Torvalds bool "8kB" 21047d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 21051e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21061da177e4SLinus Torvalds help 21071da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21081da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2109c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2110c52399beSRalf Baechle suitable Linux distribution to support this. 21111da177e4SLinus Torvalds 21121da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21131da177e4SLinus Torvalds bool "16kB" 2114714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21151da177e4SLinus Torvalds help 21161da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21171da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2118714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2119714bfad6SRalf Baechle Linux distribution to support this. 21201da177e4SLinus Torvalds 2121c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2122c52399beSRalf Baechle bool "32kB" 2123c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21241e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2125c52399beSRalf Baechle help 2126c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2127c52399beSRalf Baechle the price of higher memory consumption. This option is available 2128c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2129c52399beSRalf Baechle distribution to support this. 2130c52399beSRalf Baechle 21311da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21321da177e4SLinus Torvalds bool "64kB" 213374c81ecdSRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000 21341da177e4SLinus Torvalds help 21351da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21361da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21371da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2138714bfad6SRalf Baechle writing this option is still high experimental. 21391da177e4SLinus Torvalds 21401da177e4SLinus Torvaldsendchoice 21411da177e4SLinus Torvalds 2142c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2143c9bace7cSDavid Daney int "Maximum zone order" 2144e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2145e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2146e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2147e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2148e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2149e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2150c9bace7cSDavid Daney range 11 64 2151c9bace7cSDavid Daney default "11" 2152c9bace7cSDavid Daney help 2153c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2154c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2155c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2156c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2157c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2158c9bace7cSDavid Daney increase this value. 2159c9bace7cSDavid Daney 2160c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2161c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2162c9bace7cSDavid Daney 2163c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2164c9bace7cSDavid Daney when choosing a value for this option. 2165c9bace7cSDavid Daney 21661da177e4SLinus Torvaldsconfig BOARD_SCACHE 21671da177e4SLinus Torvalds bool 21681da177e4SLinus Torvalds 21691da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 21701da177e4SLinus Torvalds bool 21711da177e4SLinus Torvalds select BOARD_SCACHE 21721da177e4SLinus Torvalds 21739318c51aSChris Dearman# 21749318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 21759318c51aSChris Dearman# 21769318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 21779318c51aSChris Dearman bool 21789318c51aSChris Dearman select BOARD_SCACHE 21799318c51aSChris Dearman 21801da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 21811da177e4SLinus Torvalds bool 21821da177e4SLinus Torvalds select BOARD_SCACHE 21831da177e4SLinus Torvalds 21841da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 21851da177e4SLinus Torvalds bool 21861da177e4SLinus Torvalds select BOARD_SCACHE 21871da177e4SLinus Torvalds 21881da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 21891da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 21901da177e4SLinus Torvalds depends on CPU_SB1 21911da177e4SLinus Torvalds help 21921da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 21931da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 21941da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 21951da177e4SLinus Torvalds 21961da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2197c8094b53SRalf Baechle bool 21981da177e4SLinus Torvalds 21993165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22003165c846SFlorian Fainelli bool 22013165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 22023165c846SFlorian Fainelli 220391405eb6SFlorian Fainelliconfig CPU_R4K_FPU 220491405eb6SFlorian Fainelli bool 220591405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 220691405eb6SFlorian Fainelli 220762cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 220862cedc4fSFlorian Fainelli bool 220962cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 221062cedc4fSFlorian Fainelli 221159d6ab86SRalf Baechleconfig MIPS_MT_SMP 2212a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22135676319cSMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 221459d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2215d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2216c080faa5SSteven J. Hill select SYNC_R4K 221759d6ab86SRalf Baechle select MIPS_MT 221859d6ab86SRalf Baechle select SMP 221987353d8aSRalf Baechle select SMP_UP 2220c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2221c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2222399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 222359d6ab86SRalf Baechle help 2224c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2225c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2226c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2227c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2228c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 222959d6ab86SRalf Baechle 2230f41ae0b2SRalf Baechleconfig MIPS_MT 2231f41ae0b2SRalf Baechle bool 2232f41ae0b2SRalf Baechle 22330ab7aefcSRalf Baechleconfig SCHED_SMT 22340ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22350ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22360ab7aefcSRalf Baechle default n 22370ab7aefcSRalf Baechle help 22380ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 22390ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 22400ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 22410ab7aefcSRalf Baechle 22420ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22430ab7aefcSRalf Baechle bool 22440ab7aefcSRalf Baechle 2245f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2246f41ae0b2SRalf Baechle bool 2247f41ae0b2SRalf Baechle 2248f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2249f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2250f088fc84SRalf Baechle default y 2251b633648cSRalf Baechle depends on MIPS_MT_SMP 225207cc0c9eSRalf Baechle 2253b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2254b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 2255b0a668fbSLeonid Yegoshin depends on CPU_MIPSR6 && !SMP 2256b0a668fbSLeonid Yegoshin default y 2257b0a668fbSLeonid Yegoshin help 2258b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2259b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 226007edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2261b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2262b0a668fbSLeonid Yegoshin final kernel image. 2263b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels" 2264b0a668fbSLeonid Yegoshin depends on SMP && CPU_MIPSR6 2265b0a668fbSLeonid Yegoshin 226607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 226707cc0c9eSRalf Baechle bool "VPE loader support." 2268704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 226907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 227007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 227107cc0c9eSRalf Baechle select MIPS_MT 227207cc0c9eSRalf Baechle help 227307cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 227407cc0c9eSRalf Baechle onto another VPE and running it. 2275f088fc84SRalf Baechle 227617a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 227717a1d523SDeng-Cheng Zhu bool 227817a1d523SDeng-Cheng Zhu default "y" 227917a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 228017a1d523SDeng-Cheng Zhu 22811a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 22821a2a6d7eSDeng-Cheng Zhu bool 22831a2a6d7eSDeng-Cheng Zhu default "y" 22841a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 22851a2a6d7eSDeng-Cheng Zhu 2286e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2287e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2288e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2289e01402b1SRalf Baechle default y 2290e01402b1SRalf Baechle help 2291e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2292e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2293e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2294e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2295e01402b1SRalf Baechle 2296e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2297e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2298e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 22995e83d430SRalf Baechle help 2300e01402b1SRalf Baechle 2301da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2302da615cf6SDeng-Cheng Zhu bool 2303da615cf6SDeng-Cheng Zhu default "y" 2304da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2305da615cf6SDeng-Cheng Zhu 23062c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23072c973ef0SDeng-Cheng Zhu bool 23082c973ef0SDeng-Cheng Zhu default "y" 23092c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23102c973ef0SDeng-Cheng Zhu 23114a16ff4cSRalf Baechleconfig MIPS_CMP 23125cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23135676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2314b10b43baSMarkos Chandras select SMP 2315eb9b5141STim Anderson select SYNC_R4K 2316b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 23174a16ff4cSRalf Baechle select WEAK_ORDERING 23184a16ff4cSRalf Baechle default n 23194a16ff4cSRalf Baechle help 2320044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2321044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2322044505c7SPaul Burton its ability to start secondary CPUs. 23234a16ff4cSRalf Baechle 23245cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 23255cac93b3SPaul Burton instead of this. 23265cac93b3SPaul Burton 23270ee958e1SPaul Burtonconfig MIPS_CPS 23280ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 23295a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 23300ee958e1SPaul Burton select MIPS_CM 23310ee958e1SPaul Burton select MIPS_CPC 23321d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 23330ee958e1SPaul Burton select SMP 23340ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 23351d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 23360ee958e1SPaul Burton select SYS_SUPPORTS_SMP 23370ee958e1SPaul Burton select WEAK_ORDERING 23380ee958e1SPaul Burton help 23390ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 23400ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 23410ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 23420ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 23430ee958e1SPaul Burton support is unavailable. 23440ee958e1SPaul Burton 23453179d37eSPaul Burtonconfig MIPS_CPS_PM 234639a59593SMarkos Chandras depends on MIPS_CPS 2347a8b84677SPaul Burton select MIPS_CPC 23483179d37eSPaul Burton bool 23493179d37eSPaul Burton 23509f98f3ddSPaul Burtonconfig MIPS_CM 23519f98f3ddSPaul Burton bool 23529f98f3ddSPaul Burton 23539c38cf44SPaul Burtonconfig MIPS_CPC 23549c38cf44SPaul Burton bool 23552600990eSRalf Baechle 23561da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 23571da177e4SLinus Torvalds bool 23581da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 23591da177e4SLinus Torvalds default y 23601da177e4SLinus Torvalds 23611da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 23621da177e4SLinus Torvalds bool 23631da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 23641da177e4SLinus Torvalds default y 23651da177e4SLinus Torvalds 23662235a54dSSanjay Lal 236760ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 236834adb28dSRalf Baechle bool 236960ec6571Spascal@pabr.org 23709e2b5372SMarkos Chandraschoice 23719e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 23729e2b5372SMarkos Chandras 23739e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 23749e2b5372SMarkos Chandras bool "None" 23759e2b5372SMarkos Chandras help 23769e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 23779e2b5372SMarkos Chandras 23789693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 23799693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 23809e2b5372SMarkos Chandras bool "SmartMIPS" 23819693a853SFranck Bui-Huu help 23829693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 23839693a853SFranck Bui-Huu increased security at both hardware and software level for 23849693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 23859693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 23869693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 23879693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 23889693a853SFranck Bui-Huu here. 23899693a853SFranck Bui-Huu 2390bce86083SSteven J. Hillconfig CPU_MICROMIPS 23917fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 23929e2b5372SMarkos Chandras bool "microMIPS" 2393bce86083SSteven J. Hill help 2394bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2395bce86083SSteven J. Hill microMIPS ISA 2396bce86083SSteven J. Hill 23979e2b5372SMarkos Chandrasendchoice 23989e2b5372SMarkos Chandras 2399a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24000ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2401a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 24022a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2403a5e9a69eSPaul Burton help 2404a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2405a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24061db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24071db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24081db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24091db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24101db1af84SPaul Burton the size & complexity of your kernel. 2411a5e9a69eSPaul Burton 2412a5e9a69eSPaul Burton If unsure, say Y. 2413a5e9a69eSPaul Burton 24141da177e4SLinus Torvaldsconfig CPU_HAS_WB 2415f7062ddbSRalf Baechle bool 2416e01402b1SRalf Baechle 2417df0ac8a4SKevin Cernekeeconfig XKS01 2418df0ac8a4SKevin Cernekee bool 2419df0ac8a4SKevin Cernekee 24208256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 24218256b17eSFlorian Fainelli bool 24228256b17eSFlorian Fainelli 2423f41ae0b2SRalf Baechle# 2424f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2425f41ae0b2SRalf Baechle# 2426e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2427f41ae0b2SRalf Baechle bool 2428e01402b1SRalf Baechle 2429f41ae0b2SRalf Baechle# 2430f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2431f41ae0b2SRalf Baechle# 2432e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2433f41ae0b2SRalf Baechle bool 2434e01402b1SRalf Baechle 24351da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 24361da177e4SLinus Torvalds bool 24371da177e4SLinus Torvalds depends on !CPU_R3000 24381da177e4SLinus Torvalds default y 24391da177e4SLinus Torvalds 24401da177e4SLinus Torvalds# 244120d60d99SMaciej W. Rozycki# CPU non-features 244220d60d99SMaciej W. Rozycki# 244320d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 244420d60d99SMaciej W. Rozycki bool 244520d60d99SMaciej W. Rozycki 244620d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 244720d60d99SMaciej W. Rozycki bool 244820d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 244920d60d99SMaciej W. Rozycki 245020d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 245120d60d99SMaciej W. Rozycki bool 245220d60d99SMaciej W. Rozycki 24534edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 24544edf00a4SPaul Burton int 24554edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 24564edf00a4SPaul Burton default 4 if CPU_R8000 24574edf00a4SPaul Burton default 0 24584edf00a4SPaul Burton 24594edf00a4SPaul Burtonconfig MIPS_ASID_BITS 24604edf00a4SPaul Burton int 24612db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 24624edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 24634edf00a4SPaul Burton default 8 24644edf00a4SPaul Burton 24652db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 24662db003a5SPaul Burton bool 24672db003a5SPaul Burton 246820d60d99SMaciej W. Rozycki# 24691da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 24701da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 24711da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 24721da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 24731da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 24741da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 24751da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 24761da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2477797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2478797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2479797798c1SRalf Baechle# support. 24801da177e4SLinus Torvalds# 24811da177e4SLinus Torvaldsconfig HIGHMEM 24821da177e4SLinus Torvalds bool "High Memory Support" 2483a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2484797798c1SRalf Baechle 2485797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2486797798c1SRalf Baechle bool 2487797798c1SRalf Baechle 2488797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2489797798c1SRalf Baechle bool 24901da177e4SLinus Torvalds 24919693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 24929693a853SFranck Bui-Huu bool 24939693a853SFranck Bui-Huu 2494a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2495a6a4834cSSteven J. Hill bool 2496a6a4834cSSteven J. Hill 2497377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2498377cb1b6SRalf Baechle bool 2499377cb1b6SRalf Baechle help 2500377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2501377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2502377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2503377cb1b6SRalf Baechle 2504a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2505a5e9a69eSPaul Burton bool 2506a5e9a69eSPaul Burton 2507b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2508b4819b59SYoichi Yuasa def_bool y 2509f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2510b4819b59SYoichi Yuasa 2511d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2512d8cb4e11SRalf Baechle bool 2513d8cb4e11SRalf Baechle default y if SGI_IP27 2514d8cb4e11SRalf Baechle help 25153dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2516d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2517d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2518d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2519d8cb4e11SRalf Baechle 2520b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2521b1c6cd42SAtsushi Nemoto bool 25227de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 252331473747SAtsushi Nemoto 2524d8cb4e11SRalf Baechleconfig NUMA 2525d8cb4e11SRalf Baechle bool "NUMA Support" 2526d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2527d8cb4e11SRalf Baechle help 2528d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2529d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2530d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2531d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2532d8cb4e11SRalf Baechle disabled. 2533d8cb4e11SRalf Baechle 2534d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2535d8cb4e11SRalf Baechle bool 2536d8cb4e11SRalf Baechle 25378c530ea3SMatt Redfearnconfig RELOCATABLE 25388c530ea3SMatt Redfearn bool "Relocatable kernel" 25398c530ea3SMatt Redfearn depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6) 25408c530ea3SMatt Redfearn help 25418c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 25428c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 25438c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 25448c530ea3SMatt Redfearn but are discarded at runtime 25458c530ea3SMatt Redfearn 2546069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2547069fd766SMatt Redfearn hex "Relocation table size" 2548069fd766SMatt Redfearn depends on RELOCATABLE 2549069fd766SMatt Redfearn range 0x0 0x01000000 2550069fd766SMatt Redfearn default "0x00100000" 2551069fd766SMatt Redfearn ---help--- 2552069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2553069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2554069fd766SMatt Redfearn 2555069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2556069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2557069fd766SMatt Redfearn 2558069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2559069fd766SMatt Redfearn 2560069fd766SMatt Redfearn If unsure, leave at the default value. 2561069fd766SMatt Redfearn 2562405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2563405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2564405bc8fdSMatt Redfearn depends on RELOCATABLE 2565405bc8fdSMatt Redfearn ---help--- 2566405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2567405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2568405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2569405bc8fdSMatt Redfearn of kernel internals. 2570405bc8fdSMatt Redfearn 2571405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2572405bc8fdSMatt Redfearn 2573405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2574405bc8fdSMatt Redfearn 2575405bc8fdSMatt Redfearn If unsure, say N. 2576405bc8fdSMatt Redfearn 2577405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2578405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2579405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2580405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2581405bc8fdSMatt Redfearn range 0x0 0x08000000 2582405bc8fdSMatt Redfearn default "0x01000000" 2583405bc8fdSMatt Redfearn ---help--- 2584405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2585405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2586405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2587405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2588405bc8fdSMatt Redfearn 2589405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2590405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2591405bc8fdSMatt Redfearn 2592c80d79d7SYasunori Gotoconfig NODES_SHIFT 2593c80d79d7SYasunori Goto int 2594c80d79d7SYasunori Goto default "6" 2595c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2596c80d79d7SYasunori Goto 259714f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 259814f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 259923021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 260014f70012SDeng-Cheng Zhu default y 260114f70012SDeng-Cheng Zhu help 260214f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 260314f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 260414f70012SDeng-Cheng Zhu 2605b4819b59SYoichi Yuasasource "mm/Kconfig" 2606b4819b59SYoichi Yuasa 26071da177e4SLinus Torvaldsconfig SMP 26081da177e4SLinus Torvalds bool "Multi-Processing support" 2609e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2610e73ea273SRalf Baechle help 26111da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 26124a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 26134a474157SRobert Graffham than one CPU, say Y. 26141da177e4SLinus Torvalds 26154a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 26161da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 26171da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 26184a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 26191da177e4SLinus Torvalds will run faster if you say N here. 26201da177e4SLinus Torvalds 26211da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 26221da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 26231da177e4SLinus Torvalds 262403502faaSAdrian Bunk See also the SMP-HOWTO available at 262503502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 26261da177e4SLinus Torvalds 26271da177e4SLinus Torvalds If you don't know what to do here, say N. 26281da177e4SLinus Torvalds 26297840d618SMatt Redfearnconfig HOTPLUG_CPU 26307840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 26317840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 26327840d618SMatt Redfearn help 26337840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 26347840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 26357840d618SMatt Redfearn (Note: power management support will enable this option 26367840d618SMatt Redfearn automatically on SMP systems. ) 26377840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 26387840d618SMatt Redfearn 263987353d8aSRalf Baechleconfig SMP_UP 264087353d8aSRalf Baechle bool 264187353d8aSRalf Baechle 26424a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 26434a16ff4cSRalf Baechle bool 26444a16ff4cSRalf Baechle 26450ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 26460ee958e1SPaul Burton bool 26470ee958e1SPaul Burton 2648e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2649e73ea273SRalf Baechle bool 2650e73ea273SRalf Baechle 2651130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2652130e2fb7SRalf Baechle bool 2653130e2fb7SRalf Baechle 2654130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2655130e2fb7SRalf Baechle bool 2656130e2fb7SRalf Baechle 2657130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2658130e2fb7SRalf Baechle bool 2659130e2fb7SRalf Baechle 2660130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2661130e2fb7SRalf Baechle bool 2662130e2fb7SRalf Baechle 2663130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2664130e2fb7SRalf Baechle bool 2665130e2fb7SRalf Baechle 26661da177e4SLinus Torvaldsconfig NR_CPUS 2667a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2668a91796a9SJayachandran C range 2 256 26691da177e4SLinus Torvalds depends on SMP 2670130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2671130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2672130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2673130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2674130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 26751da177e4SLinus Torvalds help 26761da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 26771da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 26781da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 267972ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 268072ede9b1SAtsushi Nemoto and 2 for all others. 26811da177e4SLinus Torvalds 26821da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 268372ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 268472ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 268572ede9b1SAtsushi Nemoto power of two. 26861da177e4SLinus Torvalds 2687399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2688399aaa25SAl Cooper bool 2689399aaa25SAl Cooper 26901723b4a3SAtsushi Nemoto# 26911723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 26921723b4a3SAtsushi Nemoto# 26931723b4a3SAtsushi Nemoto 26941723b4a3SAtsushi Nemotochoice 26951723b4a3SAtsushi Nemoto prompt "Timer frequency" 26961723b4a3SAtsushi Nemoto default HZ_250 26971723b4a3SAtsushi Nemoto help 26981723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 26991723b4a3SAtsushi Nemoto 270067596573SPaul Burton config HZ_24 270167596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 270267596573SPaul Burton 27031723b4a3SAtsushi Nemoto config HZ_48 27040f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 27051723b4a3SAtsushi Nemoto 27061723b4a3SAtsushi Nemoto config HZ_100 27071723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 27081723b4a3SAtsushi Nemoto 27091723b4a3SAtsushi Nemoto config HZ_128 27101723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 27111723b4a3SAtsushi Nemoto 27121723b4a3SAtsushi Nemoto config HZ_250 27131723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 27141723b4a3SAtsushi Nemoto 27151723b4a3SAtsushi Nemoto config HZ_256 27161723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 27171723b4a3SAtsushi Nemoto 27181723b4a3SAtsushi Nemoto config HZ_1000 27191723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 27201723b4a3SAtsushi Nemoto 27211723b4a3SAtsushi Nemoto config HZ_1024 27221723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 27231723b4a3SAtsushi Nemoto 27241723b4a3SAtsushi Nemotoendchoice 27251723b4a3SAtsushi Nemoto 272667596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 272767596573SPaul Burton bool 272867596573SPaul Burton 27291723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 27301723b4a3SAtsushi Nemoto bool 27311723b4a3SAtsushi Nemoto 27321723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 27331723b4a3SAtsushi Nemoto bool 27341723b4a3SAtsushi Nemoto 27351723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 27361723b4a3SAtsushi Nemoto bool 27371723b4a3SAtsushi Nemoto 27381723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 27391723b4a3SAtsushi Nemoto bool 27401723b4a3SAtsushi Nemoto 27411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 27421723b4a3SAtsushi Nemoto bool 27431723b4a3SAtsushi Nemoto 27441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 27451723b4a3SAtsushi Nemoto bool 27461723b4a3SAtsushi Nemoto 27471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 27481723b4a3SAtsushi Nemoto bool 27491723b4a3SAtsushi Nemoto 27501723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 27511723b4a3SAtsushi Nemoto bool 275267596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 275367596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 275467596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 275567596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 275667596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 275767596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 275867596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 27591723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 27601723b4a3SAtsushi Nemoto 27611723b4a3SAtsushi Nemotoconfig HZ 27621723b4a3SAtsushi Nemoto int 276367596573SPaul Burton default 24 if HZ_24 27641723b4a3SAtsushi Nemoto default 48 if HZ_48 27651723b4a3SAtsushi Nemoto default 100 if HZ_100 27661723b4a3SAtsushi Nemoto default 128 if HZ_128 27671723b4a3SAtsushi Nemoto default 250 if HZ_250 27681723b4a3SAtsushi Nemoto default 256 if HZ_256 27691723b4a3SAtsushi Nemoto default 1000 if HZ_1000 27701723b4a3SAtsushi Nemoto default 1024 if HZ_1024 27711723b4a3SAtsushi Nemoto 277296685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 277396685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 277496685b17SDeng-Cheng Zhu 2775e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 27761da177e4SLinus Torvalds 2777ea6e942bSAtsushi Nemotoconfig KEXEC 27787d60717eSKees Cook bool "Kexec system call" 27792965faa5SDave Young select KEXEC_CORE 2780ea6e942bSAtsushi Nemoto help 2781ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2782ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 27833dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2784ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2785ea6e942bSAtsushi Nemoto 278601dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2787ea6e942bSAtsushi Nemoto 2788ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2789ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2790bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2791bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2792bf220695SGeert Uytterhoeven made. 2793ea6e942bSAtsushi Nemoto 27947aa1c8f4SRalf Baechleconfig CRASH_DUMP 27957aa1c8f4SRalf Baechle bool "Kernel crash dumps" 27967aa1c8f4SRalf Baechle help 27977aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 27987aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 27997aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 28007aa1c8f4SRalf Baechle a specially reserved region and then later executed after 28017aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 28027aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 28037aa1c8f4SRalf Baechle PHYSICAL_START. 28047aa1c8f4SRalf Baechle 28057aa1c8f4SRalf Baechleconfig PHYSICAL_START 28067aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 28077aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 28087aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 28097aa1c8f4SRalf Baechle depends on CRASH_DUMP 28107aa1c8f4SRalf Baechle help 28117aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 28127aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 28137aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 28147aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 28157aa1c8f4SRalf Baechle passed to the panic-ed kernel). 28167aa1c8f4SRalf Baechle 2817ea6e942bSAtsushi Nemotoconfig SECCOMP 2818ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2819293c5bd1SRalf Baechle depends on PROC_FS 2820ea6e942bSAtsushi Nemoto default y 2821ea6e942bSAtsushi Nemoto help 2822ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2823ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2824ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2825ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2826ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2827ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2828ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2829ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2830ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2831ea6e942bSAtsushi Nemoto 2832ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2833ea6e942bSAtsushi Nemoto 2834597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 28350ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2836597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2837597ce172SPaul Burton help 2838597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2839597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2840597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2841597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2842597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2843597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2844597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2845597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2846597ce172SPaul Burton saying N here. 2847597ce172SPaul Burton 284806e2e882SPaul Burton Although binutils currently supports use of this flag the details 284906e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 285006e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 285106e2e882SPaul Burton behaviour before the details have been finalised, this option should 285206e2e882SPaul Burton be considered experimental and only enabled by those working upon 285306e2e882SPaul Burton said details. 285406e2e882SPaul Burton 285506e2e882SPaul Burton If unsure, say N. 2856597ce172SPaul Burton 2857f2ffa5abSDezhong Diaoconfig USE_OF 28580b3e06fdSJonas Gorski bool 2859f2ffa5abSDezhong Diao select OF 2860e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2861abd2363fSGrant Likely select IRQ_DOMAIN 2862f2ffa5abSDezhong Diao 28637fafb068SAndrew Brestickerconfig BUILTIN_DTB 28647fafb068SAndrew Bresticker bool 28657fafb068SAndrew Bresticker 28661da8f179SJonas Gorskichoice 28675b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 28681da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 28691da8f179SJonas Gorski 28701da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 28711da8f179SJonas Gorski bool "None" 28721da8f179SJonas Gorski help 28731da8f179SJonas Gorski Do not enable appended dtb support. 28741da8f179SJonas Gorski 287587db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 287687db537dSAaro Koskinen bool "vmlinux" 287787db537dSAaro Koskinen help 287887db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 287987db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 288087db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 288187db537dSAaro Koskinen objcopy: 288287db537dSAaro Koskinen 288387db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 288487db537dSAaro Koskinen 288587db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 288687db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 288787db537dSAaro Koskinen the documented boot protocol using a device tree. 288887db537dSAaro Koskinen 28891da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2890b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 28911da8f179SJonas Gorski help 28921da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2893b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 28941da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 28951da8f179SJonas Gorski 28961da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 28971da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 28981da8f179SJonas Gorski the documented boot protocol using a device tree. 28991da8f179SJonas Gorski 29001da8f179SJonas Gorski Beware that there is very little in terms of protection against 29011da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 29021da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 29031da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 29041da8f179SJonas Gorski if you don't intend to always append a DTB. 29051da8f179SJonas Gorskiendchoice 29061da8f179SJonas Gorski 29072024972eSJonas Gorskichoice 29082024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 29092bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 29102bcef9b4SJonas Gorski !MIPS_MALTA && !MIPS_SEAD3 && \ 29112bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 29122024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 29132024972eSJonas Gorski 29142024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 29152024972eSJonas Gorski depends on USE_OF 29162024972eSJonas Gorski bool "Dtb kernel arguments if available" 29172024972eSJonas Gorski 29182024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 29192024972eSJonas Gorski depends on USE_OF 29202024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 29212024972eSJonas Gorski 29222024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 29232024972eSJonas Gorski bool "Bootloader kernel arguments if available" 2924ed47e153SRabin Vincent 2925ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 2926ed47e153SRabin Vincent depends on CMDLINE_BOOL 2927ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 29282024972eSJonas Gorskiendchoice 29292024972eSJonas Gorski 29305e83d430SRalf Baechleendmenu 29315e83d430SRalf Baechle 29321df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 29331df0f0ffSAtsushi Nemoto bool 29341df0f0ffSAtsushi Nemoto default y 29351df0f0ffSAtsushi Nemoto 29361df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 29371df0f0ffSAtsushi Nemoto bool 29381df0f0ffSAtsushi Nemoto default y 29391df0f0ffSAtsushi Nemoto 2940e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 2941e1e16115SAaro Koskinen bool 2942e1e16115SAaro Koskinen default y 2943e1e16115SAaro Koskinen 2944a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2945a728ab52SKirill A. Shutemov int 2946a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2947a728ab52SKirill A. Shutemov default 2 2948a728ab52SKirill A. Shutemov 2949b6c3539bSRalf Baechlesource "init/Kconfig" 2950b6c3539bSRalf Baechle 2951dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2952dc52ddc0SMatt Helsley 29531da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 29541da177e4SLinus Torvalds 29555e83d430SRalf Baechleconfig HW_HAS_EISA 29565e83d430SRalf Baechle bool 29571da177e4SLinus Torvaldsconfig HW_HAS_PCI 29581da177e4SLinus Torvalds bool 29591da177e4SLinus Torvalds 29601da177e4SLinus Torvaldsconfig PCI 29611da177e4SLinus Torvalds bool "Support for PCI controller" 29621da177e4SLinus Torvalds depends on HW_HAS_PCI 2963abb4ae46SRalf Baechle select PCI_DOMAINS 29640f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 29651da177e4SLinus Torvalds help 29661da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 29671da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 29681da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 29691da177e4SLinus Torvalds say Y, otherwise N. 29701da177e4SLinus Torvalds 29710e476d91SHuacai Chenconfig HT_PCI 29720e476d91SHuacai Chen bool "Support for HT-linked PCI" 29730e476d91SHuacai Chen default y 29740e476d91SHuacai Chen depends on CPU_LOONGSON3 29750e476d91SHuacai Chen select PCI 29760e476d91SHuacai Chen select PCI_DOMAINS 29770e476d91SHuacai Chen help 29780e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 29790e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 29800e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 29810e476d91SHuacai Chen 29821da177e4SLinus Torvaldsconfig PCI_DOMAINS 29831da177e4SLinus Torvalds bool 29841da177e4SLinus Torvalds 29851da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 29861da177e4SLinus Torvalds 29871da177e4SLinus Torvalds# 29881da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 29891da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 29901da177e4SLinus Torvalds# users to choose the right thing ... 29911da177e4SLinus Torvalds# 29921da177e4SLinus Torvaldsconfig ISA 29931da177e4SLinus Torvalds bool 29941da177e4SLinus Torvalds 29951da177e4SLinus Torvaldsconfig EISA 29961da177e4SLinus Torvalds bool "EISA support" 29975e83d430SRalf Baechle depends on HW_HAS_EISA 29981da177e4SLinus Torvalds select ISA 2999aa414dffSRalf Baechle select GENERIC_ISA_DMA 30001da177e4SLinus Torvalds ---help--- 30011da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 30021da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 30031da177e4SLinus Torvalds 30041da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 30051da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 30061da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 30071da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 30081da177e4SLinus Torvalds 30091da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 30101da177e4SLinus Torvalds 30111da177e4SLinus Torvalds Otherwise, say N. 30121da177e4SLinus Torvalds 30131da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 30141da177e4SLinus Torvalds 30151da177e4SLinus Torvaldsconfig TC 30161da177e4SLinus Torvalds bool "TURBOchannel support" 30171da177e4SLinus Torvalds depends on MACH_DECSTATION 30181da177e4SLinus Torvalds help 301950a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 302050a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 302150a23e6eSJustin P. Mattock at: 302250a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 302350a23e6eSJustin P. Mattock and: 302450a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 302550a23e6eSJustin P. Mattock Linux driver support status is documented at: 302650a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30271da177e4SLinus Torvalds 30281da177e4SLinus Torvaldsconfig MMU 30291da177e4SLinus Torvalds bool 30301da177e4SLinus Torvalds default y 30311da177e4SLinus Torvalds 3032d865bea4SRalf Baechleconfig I8253 3033d865bea4SRalf Baechle bool 3034798778b8SRussell King select CLKSRC_I8253 30352d02612fSThomas Gleixner select CLKEVT_I8253 30369726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3037d865bea4SRalf Baechle 3038e05eb3f8SRalf Baechleconfig ZONE_DMA 3039e05eb3f8SRalf Baechle bool 3040e05eb3f8SRalf Baechle 3041cce335aeSRalf Baechleconfig ZONE_DMA32 3042cce335aeSRalf Baechle bool 3043cce335aeSRalf Baechle 30441da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 30451da177e4SLinus Torvalds 3046388b78adSAlexandre Bounineconfig RAPIDIO 304756abde72SAlexandre Bounine tristate "RapidIO support" 3048388b78adSAlexandre Bounine depends on PCI 3049388b78adSAlexandre Bounine default n 3050388b78adSAlexandre Bounine help 3051388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 3052388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 3053388b78adSAlexandre Bounine 3054388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 3055388b78adSAlexandre Bounine 30561da177e4SLinus Torvaldsendmenu 30571da177e4SLinus Torvalds 30581da177e4SLinus Torvaldsmenu "Executable file formats" 30591da177e4SLinus Torvalds 30601da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 30611da177e4SLinus Torvalds 30621da177e4SLinus Torvaldsconfig TRAD_SIGNALS 30631da177e4SLinus Torvalds bool 30641da177e4SLinus Torvalds 30651da177e4SLinus Torvaldsconfig MIPS32_COMPAT 306678aaf956SRalf Baechle bool 30671da177e4SLinus Torvalds 30681da177e4SLinus Torvaldsconfig COMPAT 30691da177e4SLinus Torvalds bool 30701da177e4SLinus Torvalds 307105e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 307205e43966SAtsushi Nemoto bool 307305e43966SAtsushi Nemoto 30741da177e4SLinus Torvaldsconfig MIPS32_O32 30751da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 307678aaf956SRalf Baechle depends on 64BIT 307778aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 307878aaf956SRalf Baechle select COMPAT 307978aaf956SRalf Baechle select MIPS32_COMPAT 308078aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 30811da177e4SLinus Torvalds help 30821da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 30831da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 30841da177e4SLinus Torvalds existing binaries are in this format. 30851da177e4SLinus Torvalds 30861da177e4SLinus Torvalds If unsure, say Y. 30871da177e4SLinus Torvalds 30881da177e4SLinus Torvaldsconfig MIPS32_N32 30891da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3090c22eacfeSRalf Baechle depends on 64BIT 309178aaf956SRalf Baechle select COMPAT 309278aaf956SRalf Baechle select MIPS32_COMPAT 309378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 30941da177e4SLinus Torvalds help 30951da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 30961da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 30971da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 30981da177e4SLinus Torvalds cases. 30991da177e4SLinus Torvalds 31001da177e4SLinus Torvalds If unsure, say N. 31011da177e4SLinus Torvalds 31021da177e4SLinus Torvaldsconfig BINFMT_ELF32 31031da177e4SLinus Torvalds bool 31041da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3105f43edca7SRalf Baechle select ELFCORE 31061da177e4SLinus Torvalds 31072116245eSRalf Baechleendmenu 31081da177e4SLinus Torvalds 31092116245eSRalf Baechlemenu "Power management options" 3110952fa954SRodolfo Giometti 3111363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3112363c55caSWu Zhangjin def_bool y 31133f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3114363c55caSWu Zhangjin 3115f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3116f4cb5700SJohannes Berg def_bool y 31173f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3118f4cb5700SJohannes Berg 31192116245eSRalf Baechlesource "kernel/power/Kconfig" 3120952fa954SRodolfo Giometti 31211da177e4SLinus Torvaldsendmenu 31221da177e4SLinus Torvalds 31237a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31247a998935SViresh Kumar bool 31257a998935SViresh Kumar 31267a998935SViresh Kumarmenu "CPU Power Management" 3127c095ebafSPaul Burton 3128c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31297a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31307a998935SViresh Kumarendif 31319726b43aSWu Zhangjin 3132c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3133c095ebafSPaul Burton 3134c095ebafSPaul Burtonendmenu 3135c095ebafSPaul Burton 3136d5950b43SSam Ravnborgsource "net/Kconfig" 3137d5950b43SSam Ravnborg 31381da177e4SLinus Torvaldssource "drivers/Kconfig" 31391da177e4SLinus Torvalds 314098cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 314198cdee0eSRalf Baechle 31421da177e4SLinus Torvaldssource "fs/Kconfig" 31431da177e4SLinus Torvalds 31441da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 31451da177e4SLinus Torvalds 31461da177e4SLinus Torvaldssource "security/Kconfig" 31471da177e4SLinus Torvalds 31481da177e4SLinus Torvaldssource "crypto/Kconfig" 31491da177e4SLinus Torvalds 31501da177e4SLinus Torvaldssource "lib/Kconfig" 31512235a54dSSanjay Lal 31522235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3153