11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 5393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 6c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 7f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 8ec7748b5SSam Ravnborg select HAVE_IDE 942d4b839SMathieu Desnoyers select HAVE_OPROFILE 107f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 117f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1288547001SJason Wessel select HAVE_ARCH_KGDB 13490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 14c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 153f5fdb4bSMarkos Chandras select HAVE_BPF_JIT if !CPU_MICROMIPS 167563bbf8SMark Brown select ARCH_HAVE_CUSTOM_GPIO_H 17d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 18538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 19538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2064575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2129c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 22c1bf207dSDavid Daney select HAVE_KPROBES 23c1bf207dSDavid Daney select HAVE_KRETPROBES 24fb59e394SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 25b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 261d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 272b68f6caSKees Cook select ARCH_HAS_ELF_RANDOMIZE 28383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 2930ad29bbSHuacai Chen select RTC_LIB if !MACH_LOONGSON64 302b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 317463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 3248e1fd5aSDavid Daney select HAVE_DMA_ATTRS 33f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3448e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 353bd27e32SDavid Daney select GENERIC_IRQ_PROBE 36f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 3778857614SMarkos Chandras select GENERIC_PCI_IOMAP 3894bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 39c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 400f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 419d15ffc8STejun Heo select HAVE_MEMBLOCK 429d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 439d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 44360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 454b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 46cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 47929de4ccSDeng-Cheng Zhu select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 48cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 49786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 504febd95aSStephen Rothwell select VIRT_TO_BUS 512f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 522f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5350150d2bSAl Viro select CLONE_BACKWARDS 54d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5519952a92SKees Cook select HAVE_CC_STACKPROTECTOR 56b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 57cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 5890cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 59d79d853dSMarkos Chandras select SYSCTL_EXCEPTION_TRACE 60bb877e96SDeng-Cheng Zhu select HAVE_VIRT_CPU_ACCOUNTING_GEN 61ec9ddad3SDeng-Cheng Zhu select HAVE_IRQ_TIME_ACCOUNTING 621da177e4SLinus Torvalds 631da177e4SLinus Torvaldsmenu "Machine selection" 641da177e4SLinus Torvalds 655e83d430SRalf Baechlechoice 665e83d430SRalf Baechle prompt "System type" 675e83d430SRalf Baechle default SGI_IP22 681da177e4SLinus Torvalds 6942a4f17dSManuel Laussconfig MIPS_ALCHEMY 70c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 7134adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 72f772cdb2SRalf Baechle select CEVT_R4K 73d7ea335cSSteven J. Hill select CSRC_R4K 7467e38cf2SRalf Baechle select IRQ_MIPS_CPU 7588e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 7642a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 7742a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 7842a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 79efb12436SAlexandre Courbot select ARCH_REQUIRE_GPIOLIB 801b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 8147440229SManuel Lauss select COMMON_CLK 821da177e4SLinus Torvalds 837ca5dc14SFlorian Fainelliconfig AR7 847ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 857ca5dc14SFlorian Fainelli select BOOT_ELF32 867ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 877ca5dc14SFlorian Fainelli select CEVT_R4K 887ca5dc14SFlorian Fainelli select CSRC_R4K 8967e38cf2SRalf Baechle select IRQ_MIPS_CPU 907ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 917ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 927ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 937ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 947ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 957ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 96377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 971b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 985f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 997ca5dc14SFlorian Fainelli select VLYNQ 1008551fb64SYoichi Yuasa select HAVE_CLK 1017ca5dc14SFlorian Fainelli help 1027ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1037ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1047ca5dc14SFlorian Fainelli 10543cc739fSSergey Ryazanovconfig ATH25 10643cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 10743cc739fSSergey Ryazanov select CEVT_R4K 10843cc739fSSergey Ryazanov select CSRC_R4K 10943cc739fSSergey Ryazanov select DMA_NONCOHERENT 11067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1111753e74eSSergey Ryazanov select IRQ_DOMAIN 11243cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 11343cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 11443cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1158aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 11643cc739fSSergey Ryazanov help 11743cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 11843cc739fSSergey Ryazanov 119d4a67d9dSGabor Juhosconfig ATH79 120d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 1216eae43c5SGabor Juhos select ARCH_REQUIRE_GPIOLIB 122d4a67d9dSGabor Juhos select BOOT_RAW 123d4a67d9dSGabor Juhos select CEVT_R4K 124d4a67d9dSGabor Juhos select CSRC_R4K 125d4a67d9dSGabor Juhos select DMA_NONCOHERENT 12694638067SGabor Juhos select HAVE_CLK 127411520afSAlban Bedel select COMMON_CLK 1282c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 12967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1300aabf1a4SGabor Juhos select MIPS_MACHINE 131d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 132d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 133d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 134d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 135377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 136da628e8bSAlban Bedel select SYS_SUPPORTS_ZBOOT 13703c8c407SAlban Bedel select USE_OF 138d4a67d9dSGabor Juhos help 139d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 140d4a67d9dSGabor Juhos 1415f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 1425f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 143d666cd02SKevin Cernekee select BOOT_RAW 144d666cd02SKevin Cernekee select NO_EXCEPT_FILL 145d666cd02SKevin Cernekee select USE_OF 146d666cd02SKevin Cernekee select CEVT_R4K 147d666cd02SKevin Cernekee select CSRC_R4K 148d666cd02SKevin Cernekee select SYNC_R4K 149d666cd02SKevin Cernekee select COMMON_CLK 15060b858f2SKevin Cernekee select BCM7038_L1_IRQ 15160b858f2SKevin Cernekee select BCM7120_L2_IRQ 15260b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 15367e38cf2SRalf Baechle select IRQ_MIPS_CPU 15460b858f2SKevin Cernekee select DMA_NONCOHERENT 155d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 15660b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 157d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 158d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 15960b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 16060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 16160b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 162d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 163d666cd02SKevin Cernekee select SWAP_IO_SPACE 16460b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 16560b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 16660b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 16760b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 168d666cd02SKevin Cernekee help 1695f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 1705f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 1715f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 1725f2d4459SKevin Cernekee must be set appropriately for your board. 173d666cd02SKevin Cernekee 1741c0c13ebSAurelien Jarnoconfig BCM47XX 175c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 1762da4c74dSHauke Mehrtens select ARCH_WANT_OPTIONAL_GPIOLIB 177fe08f8c2SHauke Mehrtens select BOOT_RAW 17842f77542SRalf Baechle select CEVT_R4K 179940f6b48SRalf Baechle select CSRC_R4K 1801c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1811c0c13ebSAurelien Jarno select HW_HAS_PCI 18267e38cf2SRalf Baechle select IRQ_MIPS_CPU 183314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 184dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1851c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1861c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 187377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 18825e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 189e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 190c949c0bcSRafał Miłecki select GPIOLIB 191c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 192f6e734a8SRafał Miłecki select BCM47XX_NVRAM 1931c0c13ebSAurelien Jarno help 1941c0c13ebSAurelien Jarno Support for BCM47XX based boards 1951c0c13ebSAurelien Jarno 196e7300d04SMaxime Bizonconfig BCM63XX 197e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 198ae8de61cSFlorian Fainelli select BOOT_RAW 199e7300d04SMaxime Bizon select CEVT_R4K 200e7300d04SMaxime Bizon select CSRC_R4K 201fc264022SJonas Gorski select SYNC_R4K 202e7300d04SMaxime Bizon select DMA_NONCOHERENT 20367e38cf2SRalf Baechle select IRQ_MIPS_CPU 204e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 205e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 206e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 207e7300d04SMaxime Bizon select SWAP_IO_SPACE 208e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 2093e82eeebSYoichi Yuasa select HAVE_CLK 210af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 211e7300d04SMaxime Bizon help 212e7300d04SMaxime Bizon Support for BCM63XX based boards 213e7300d04SMaxime Bizon 2141da177e4SLinus Torvaldsconfig MIPS_COBALT 2153fa986faSMartin Michlmayr bool "Cobalt Server" 21642f77542SRalf Baechle select CEVT_R4K 217940f6b48SRalf Baechle select CSRC_R4K 2181097c6acSYoichi Yuasa select CEVT_GT641XX 2191da177e4SLinus Torvalds select DMA_NONCOHERENT 2201da177e4SLinus Torvalds select HW_HAS_PCI 221d865bea4SRalf Baechle select I8253 2221da177e4SLinus Torvalds select I8259 22367e38cf2SRalf Baechle select IRQ_MIPS_CPU 224d5ab1a69SYoichi Yuasa select IRQ_GT641XX 225252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 226e25bfc92SYoichi Yuasa select PCI 2277cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2280a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 229ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2300e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2315e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 232e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2331da177e4SLinus Torvalds 2341da177e4SLinus Torvaldsconfig MACH_DECSTATION 2353fa986faSMartin Michlmayr bool "DECstations" 2361da177e4SLinus Torvalds select BOOT_ELF32 2376457d9fcSYoichi Yuasa select CEVT_DS1287 23881d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2394247417dSYoichi Yuasa select CSRC_IOASIC 24081d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 24120d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 24220d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 24320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 2441da177e4SLinus Torvalds select DMA_NONCOHERENT 245ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 24667e38cf2SRalf Baechle select IRQ_MIPS_CPU 2477cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 2487cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 249ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2507d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2515e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2521723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 2531723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 2541723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 255930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2565e83d430SRalf Baechle help 2571da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2581da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2591da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2621da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds DECstation 5000/50 2651da177e4SLinus Torvalds DECstation 5000/150 2661da177e4SLinus Torvalds DECstation 5000/260 2671da177e4SLinus Torvalds DECsystem 5900/260 2681da177e4SLinus Torvalds 2691da177e4SLinus Torvalds otherwise choose R3000. 2701da177e4SLinus Torvalds 2715e83d430SRalf Baechleconfig MACH_JAZZ 2723fa986faSMartin Michlmayr bool "Jazz family of machines" 2730e2794b0SRalf Baechle select FW_ARC 2740e2794b0SRalf Baechle select FW_ARC32 2755e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 27642f77542SRalf Baechle select CEVT_R4K 277940f6b48SRalf Baechle select CSRC_R4K 278e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2795e83d430SRalf Baechle select GENERIC_ISA_DMA 2808a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 28167e38cf2SRalf Baechle select IRQ_MIPS_CPU 282d865bea4SRalf Baechle select I8253 2835e83d430SRalf Baechle select I8259 2845e83d430SRalf Baechle select ISA 2857cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2865e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2877d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2881723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2891da177e4SLinus Torvalds help 2905e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2915e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 292692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 2935e83d430SRalf Baechle Olivetti M700-10 workstations. 2945e83d430SRalf Baechle 295de361e8bSPaul Burtonconfig MACH_INGENIC 296de361e8bSPaul Burton bool "Ingenic SoC based machines" 2975ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 2985ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 299f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3005ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 30167e38cf2SRalf Baechle select IRQ_MIPS_CPU 3025ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 303ff1930c6SPaul Burton select COMMON_CLK 30483bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 305ffb1843dSPaul Burton select BUILTIN_DTB 306ffb1843dSPaul Burton select USE_OF 3076ec127fbSPaul Burton select LIBFDT 3085ebabe59SLars-Peter Clausen 309171bb2f1SJohn Crispinconfig LANTIQ 310171bb2f1SJohn Crispin bool "Lantiq based platforms" 311171bb2f1SJohn Crispin select DMA_NONCOHERENT 31267e38cf2SRalf Baechle select IRQ_MIPS_CPU 313171bb2f1SJohn Crispin select CEVT_R4K 314171bb2f1SJohn Crispin select CSRC_R4K 315171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 316171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 317171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 318171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 319377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 320171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 321171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 322171bb2f1SJohn Crispin select ARCH_REQUIRE_GPIOLIB 323171bb2f1SJohn Crispin select SWAP_IO_SPACE 324171bb2f1SJohn Crispin select BOOT_RAW 325287e3f3fSJohn Crispin select HAVE_MACH_CLKDEV 326287e3f3fSJohn Crispin select CLKDEV_LOOKUP 327a0392222SJohn Crispin select USE_OF 3283f8c50c9SJohn Crispin select PINCTRL 3293f8c50c9SJohn Crispin select PINCTRL_LANTIQ 330c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 331c530781cSJohn Crispin select RESET_CONTROLLER 332171bb2f1SJohn Crispin 3331f21d2bdSBrian Murphyconfig LASAT 3341f21d2bdSBrian Murphy bool "LASAT Networks platforms" 33542f77542SRalf Baechle select CEVT_R4K 33616f0bbbcSRalf Baechle select CRC32 337940f6b48SRalf Baechle select CSRC_R4K 3381f21d2bdSBrian Murphy select DMA_NONCOHERENT 3391f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3401f21d2bdSBrian Murphy select HW_HAS_PCI 34167e38cf2SRalf Baechle select IRQ_MIPS_CPU 3421f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 3431f21d2bdSBrian Murphy select MIPS_NILE4 3441f21d2bdSBrian Murphy select R5000_CPU_SCACHE 3451f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 3461f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 3471f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 3481f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 3491f21d2bdSBrian Murphy 35030ad29bbSHuacai Chenconfig MACH_LOONGSON32 35130ad29bbSHuacai Chen bool "Loongson-1 family of machines" 352c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 353ade299d8SYoichi Yuasa help 35430ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 35585749d24SWu Zhangjin 35630ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 35730ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 35830ad29bbSHuacai Chen Sciences (CAS). 359ade299d8SYoichi Yuasa 36030ad29bbSHuacai Chenconfig MACH_LOONGSON64 36130ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 362ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 363ca585cf9SKelvin Cheung help 36430ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 365ca585cf9SKelvin Cheung 36630ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 36730ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 36830ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 36930ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 37030ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 37130ad29bbSHuacai Chen Weiwu Hu. 372ca585cf9SKelvin Cheung 3736a438309SAndrew Brestickerconfig MACH_PISTACHIO 3746a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 3756a438309SAndrew Bresticker select ARCH_REQUIRE_GPIOLIB 3766a438309SAndrew Bresticker select BOOT_ELF32 3776a438309SAndrew Bresticker select BOOT_RAW 3786a438309SAndrew Bresticker select CEVT_R4K 3796a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 3806a438309SAndrew Bresticker select COMMON_CLK 3816a438309SAndrew Bresticker select CSRC_R4K 3826a438309SAndrew Bresticker select DMA_MAYBE_COHERENT 38367e38cf2SRalf Baechle select IRQ_MIPS_CPU 3846a438309SAndrew Bresticker select LIBFDT 3856a438309SAndrew Bresticker select MFD_SYSCON 3866a438309SAndrew Bresticker select MIPS_CPU_SCACHE 3876a438309SAndrew Bresticker select MIPS_GIC 3886a438309SAndrew Bresticker select PINCTRL 3896a438309SAndrew Bresticker select REGULATOR 3906a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 3916a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 3926a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 3936a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 3946a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 3956a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 396018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 397018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 3986a438309SAndrew Bresticker select USE_OF 3996a438309SAndrew Bresticker help 4006a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4016a438309SAndrew Bresticker 4021da177e4SLinus Torvaldsconfig MIPS_MALTA 4033fa986faSMartin Michlmayr bool "MIPS Malta board" 40461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 4051da177e4SLinus Torvalds select BOOT_ELF32 406fa71c960SRalf Baechle select BOOT_RAW 407e8823d26SPaul Burton select BUILTIN_DTB 40842f77542SRalf Baechle select CEVT_R4K 409940f6b48SRalf Baechle select CSRC_R4K 410fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 411885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 4121da177e4SLinus Torvalds select GENERIC_ISA_DMA 4138a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 41467e38cf2SRalf Baechle select IRQ_MIPS_CPU 4158a19b8f1SAndrew Bresticker select MIPS_GIC 4161da177e4SLinus Torvalds select HW_HAS_PCI 417d865bea4SRalf Baechle select I8253 4181da177e4SLinus Torvalds select I8259 4195e83d430SRalf Baechle select MIPS_BONITO64 4209318c51aSChris Dearman select MIPS_CPU_SCACHE 421a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 422252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 4235e83d430SRalf Baechle select MIPS_MSC 4241da177e4SLinus Torvalds select SWAP_IO_SPACE 4257cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 4267cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 427bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 428c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 429575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 4307cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 4315d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 432575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 4337cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 4347cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 435ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 436ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4375e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 438c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 4395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 440424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 4410365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 442e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 443377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 444f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 4459693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 4461b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 447e8823d26SPaul Burton select USE_OF 448abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 4491da177e4SLinus Torvalds help 450f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 4511da177e4SLinus Torvalds board. 4521da177e4SLinus Torvalds 453ec47b274SSteven J. Hillconfig MIPS_SEAD3 454ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 455ec47b274SSteven J. Hill select BOOT_ELF32 456ec47b274SSteven J. Hill select BOOT_RAW 457f262b5f2SAndrew Bresticker select BUILTIN_DTB 458ec47b274SSteven J. Hill select CEVT_R4K 459ec47b274SSteven J. Hill select CSRC_R4K 460fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 461ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 462ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 463ec47b274SSteven J. Hill select DMA_NONCOHERENT 46467e38cf2SRalf Baechle select IRQ_MIPS_CPU 4658a19b8f1SAndrew Bresticker select MIPS_GIC 46644327236SQais Yousef select LIBFDT 467ec47b274SSteven J. Hill select MIPS_MSC 468ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 469ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 470ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 471ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 472ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 473ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 474ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 475ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 476ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 477a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 478377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 479ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 480ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 4819b731009SSteven J. Hill select USE_OF 482ec47b274SSteven J. Hill help 483ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 484ec47b274SSteven J. Hill board. 485ec47b274SSteven J. Hill 486a83860c2SRalf Baechleconfig NEC_MARKEINS 487a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 488a83860c2SRalf Baechle select SOC_EMMA2RH 489a83860c2SRalf Baechle select HW_HAS_PCI 490a83860c2SRalf Baechle help 491a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 492ade299d8SYoichi Yuasa 4935e83d430SRalf Baechleconfig MACH_VR41XX 49474142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 49542f77542SRalf Baechle select CEVT_R4K 496940f6b48SRalf Baechle select CSRC_R4K 4977cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 498377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 49927fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 5005e83d430SRalf Baechle 501edb6310aSDaniel Lairdconfig NXP_STB220 502edb6310aSDaniel Laird bool "NXP STB220 board" 503edb6310aSDaniel Laird select SOC_PNX833X 504edb6310aSDaniel Laird help 505edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 506edb6310aSDaniel Laird 507edb6310aSDaniel Lairdconfig NXP_STB225 508edb6310aSDaniel Laird bool "NXP 225 board" 509edb6310aSDaniel Laird select SOC_PNX833X 510edb6310aSDaniel Laird select SOC_PNX8335 511edb6310aSDaniel Laird help 512edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 513edb6310aSDaniel Laird 5149267a30dSMarc St-Jeanconfig PMC_MSP 5159267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 51639d30c13SAnoop P A select CEVT_R4K 51739d30c13SAnoop P A select CSRC_R4K 5189267a30dSMarc St-Jean select DMA_NONCOHERENT 5199267a30dSMarc St-Jean select SWAP_IO_SPACE 5209267a30dSMarc St-Jean select NO_EXCEPT_FILL 5219267a30dSMarc St-Jean select BOOT_RAW 5229267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5239267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5249267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5259267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 526377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 52767e38cf2SRalf Baechle select IRQ_MIPS_CPU 5289267a30dSMarc St-Jean select SERIAL_8250 5299267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5309296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5319296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5329267a30dSMarc St-Jean help 5339267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 5349267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 5359267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 5369267a30dSMarc St-Jean a variety of MIPS cores. 5379267a30dSMarc St-Jean 538ae2b5bb6SJohn Crispinconfig RALINK 539ae2b5bb6SJohn Crispin bool "Ralink based machines" 540ae2b5bb6SJohn Crispin select CEVT_R4K 541ae2b5bb6SJohn Crispin select CSRC_R4K 542ae2b5bb6SJohn Crispin select BOOT_RAW 543ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 54467e38cf2SRalf Baechle select IRQ_MIPS_CPU 545ae2b5bb6SJohn Crispin select USE_OF 546ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 547ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 548ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 549ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 550377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 551ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 552ae2b5bb6SJohn Crispin select HAVE_MACH_CLKDEV 553ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 5542a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 5552a153f1cSJohn Crispin select RESET_CONTROLLER 556ae2b5bb6SJohn Crispin 5571da177e4SLinus Torvaldsconfig SGI_IP22 5583fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 5590e2794b0SRalf Baechle select FW_ARC 5600e2794b0SRalf Baechle select FW_ARC32 5611da177e4SLinus Torvalds select BOOT_ELF32 56242f77542SRalf Baechle select CEVT_R4K 563940f6b48SRalf Baechle select CSRC_R4K 564e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 5651da177e4SLinus Torvalds select DMA_NONCOHERENT 5665e83d430SRalf Baechle select HW_HAS_EISA 567d865bea4SRalf Baechle select I8253 56868de4803SThomas Bogendoerfer select I8259 5691da177e4SLinus Torvalds select IP22_CPU_SCACHE 57067e38cf2SRalf Baechle select IRQ_MIPS_CPU 571aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 572e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 573e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 57436e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 575e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 576e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 577e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 5781da177e4SLinus Torvalds select SWAP_IO_SPACE 5797cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5807cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 5812b5e63f6SMartin Michlmayr # 5822b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5832b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5842b5e63f6SMartin Michlmayr # 5852b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5862b5e63f6SMartin Michlmayr # for a more details discussion 5872b5e63f6SMartin Michlmayr # 5882b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 589ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 590ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5915e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 592930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5931da177e4SLinus Torvalds help 5941da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 5951da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 5961da177e4SLinus Torvalds that runs on these, say Y here. 5971da177e4SLinus Torvalds 5981da177e4SLinus Torvaldsconfig SGI_IP27 5993fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6000e2794b0SRalf Baechle select FW_ARC 6010e2794b0SRalf Baechle select FW_ARC64 6025e83d430SRalf Baechle select BOOT_ELF64 603e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 604634286f1SRalf Baechle select DMA_COHERENT 60536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6061da177e4SLinus Torvalds select HW_HAS_PCI 607130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6087cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 609ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6105e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 611d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6121a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 613930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6141da177e4SLinus Torvalds help 6151da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6161da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6171da177e4SLinus Torvalds here. 6181da177e4SLinus Torvalds 619e2defae5SThomas Bogendoerferconfig SGI_IP28 6207d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6210e2794b0SRalf Baechle select FW_ARC 6220e2794b0SRalf Baechle select FW_ARC64 623e2defae5SThomas Bogendoerfer select BOOT_ELF64 624e2defae5SThomas Bogendoerfer select CEVT_R4K 625e2defae5SThomas Bogendoerfer select CSRC_R4K 626e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 627e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 628e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 62967e38cf2SRalf Baechle select IRQ_MIPS_CPU 630e2defae5SThomas Bogendoerfer select HW_HAS_EISA 631e2defae5SThomas Bogendoerfer select I8253 632e2defae5SThomas Bogendoerfer select I8259 633e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 634e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 6355b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 636e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 637e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 638e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 639e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 640e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 6412b5e63f6SMartin Michlmayr # 6422b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6432b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6442b5e63f6SMartin Michlmayr # 6452b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6462b5e63f6SMartin Michlmayr # for a more details discussion 6472b5e63f6SMartin Michlmayr # 6482b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 649e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 650e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 651dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 652e2defae5SThomas Bogendoerfer help 653e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 654e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 655e2defae5SThomas Bogendoerfer 6561da177e4SLinus Torvaldsconfig SGI_IP32 657cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 6580e2794b0SRalf Baechle select FW_ARC 6590e2794b0SRalf Baechle select FW_ARC32 6601da177e4SLinus Torvalds select BOOT_ELF32 66142f77542SRalf Baechle select CEVT_R4K 662940f6b48SRalf Baechle select CSRC_R4K 6631da177e4SLinus Torvalds select DMA_NONCOHERENT 6641da177e4SLinus Torvalds select HW_HAS_PCI 66567e38cf2SRalf Baechle select IRQ_MIPS_CPU 6661da177e4SLinus Torvalds select R5000_CPU_SCACHE 6671da177e4SLinus Torvalds select RM7000_CPU_SCACHE 6687cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6697cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 6707cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 671dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 672ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6735e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6741da177e4SLinus Torvalds help 6751da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 6761da177e4SLinus Torvalds 677ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 678ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 6795e83d430SRalf Baechle select BOOT_ELF32 6805e83d430SRalf Baechle select DMA_COHERENT 6815e83d430SRalf Baechle select SIBYTE_BCM1120 6825e83d430SRalf Baechle select SWAP_IO_SPACE 6837cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6845e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6855e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6865e83d430SRalf Baechle 687ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 688ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 6895e83d430SRalf Baechle select BOOT_ELF32 6905e83d430SRalf Baechle select DMA_COHERENT 6915e83d430SRalf Baechle select SIBYTE_BCM1120 6925e83d430SRalf Baechle select SWAP_IO_SPACE 6937cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6945e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6955e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6965e83d430SRalf Baechle 6975e83d430SRalf Baechleconfig SIBYTE_CRHONE 6983fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 6995e83d430SRalf Baechle select BOOT_ELF32 7005e83d430SRalf Baechle select DMA_COHERENT 7015e83d430SRalf Baechle select SIBYTE_BCM1125 7025e83d430SRalf Baechle select SWAP_IO_SPACE 7037cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7045e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7055e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7065e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7075e83d430SRalf Baechle 708ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 709ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 710ade299d8SYoichi Yuasa select BOOT_ELF32 711ade299d8SYoichi Yuasa select DMA_COHERENT 712ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 713ade299d8SYoichi Yuasa select SWAP_IO_SPACE 714ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 715ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 716ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 717ade299d8SYoichi Yuasa 718ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 719ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 720ade299d8SYoichi Yuasa select BOOT_ELF32 721ade299d8SYoichi Yuasa select DMA_COHERENT 722fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 723ade299d8SYoichi Yuasa select SIBYTE_SB1250 724ade299d8SYoichi Yuasa select SWAP_IO_SPACE 725ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 726ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 727ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 728ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 729cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 730ade299d8SYoichi Yuasa 731ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 732ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 733ade299d8SYoichi Yuasa select BOOT_ELF32 734ade299d8SYoichi Yuasa select DMA_COHERENT 735fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 736ade299d8SYoichi Yuasa select SIBYTE_SB1250 737ade299d8SYoichi Yuasa select SWAP_IO_SPACE 738ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 739ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 740ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 741ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 742ade299d8SYoichi Yuasa 743ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 744ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 745ade299d8SYoichi Yuasa select BOOT_ELF32 746ade299d8SYoichi Yuasa select DMA_COHERENT 747ade299d8SYoichi Yuasa select SIBYTE_SB1250 748ade299d8SYoichi Yuasa select SWAP_IO_SPACE 749ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 750ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 751ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 752ade299d8SYoichi Yuasa 753ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 754ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 755ade299d8SYoichi Yuasa select BOOT_ELF32 756ade299d8SYoichi Yuasa select DMA_COHERENT 757ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 758ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 759ade299d8SYoichi Yuasa select SWAP_IO_SPACE 760ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 761ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 762651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 763ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 764cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 765ade299d8SYoichi Yuasa 76614b36af4SThomas Bogendoerferconfig SNI_RM 76714b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 7680e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 7690e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 770aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 7715e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 7725e83d430SRalf Baechle select BOOT_ELF32 77342f77542SRalf Baechle select CEVT_R4K 774940f6b48SRalf Baechle select CSRC_R4K 775e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 7765e83d430SRalf Baechle select DMA_NONCOHERENT 7775e83d430SRalf Baechle select GENERIC_ISA_DMA 7788a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 7795e83d430SRalf Baechle select HW_HAS_EISA 7805e83d430SRalf Baechle select HW_HAS_PCI 78167e38cf2SRalf Baechle select IRQ_MIPS_CPU 782d865bea4SRalf Baechle select I8253 7835e83d430SRalf Baechle select I8259 7845e83d430SRalf Baechle select ISA 7854a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 7867cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 7874a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 788c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7894a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 79036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 791ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 7927d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 7934a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7945e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7955e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7961da177e4SLinus Torvalds help 79714b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 79814b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 7995e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8005e83d430SRalf Baechle support this machine type. 8011da177e4SLinus Torvalds 802edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 803edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8045e83d430SRalf Baechle 805edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 806edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 80723fbee9dSRalf Baechle 80873b4390fSRalf Baechleconfig MIKROTIK_RB532 80973b4390fSRalf Baechle bool "Mikrotik RB532 boards" 81073b4390fSRalf Baechle select CEVT_R4K 81173b4390fSRalf Baechle select CSRC_R4K 81273b4390fSRalf Baechle select DMA_NONCOHERENT 81373b4390fSRalf Baechle select HW_HAS_PCI 81467e38cf2SRalf Baechle select IRQ_MIPS_CPU 81573b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 81673b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 81773b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 81873b4390fSRalf Baechle select SWAP_IO_SPACE 81973b4390fSRalf Baechle select BOOT_RAW 820d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 821930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 82273b4390fSRalf Baechle help 82373b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 82473b4390fSRalf Baechle based on the IDT RC32434 SoC. 82573b4390fSRalf Baechle 8269ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8279ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 828a86c7f72SDavid Daney select CEVT_R4K 82934adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 830a86c7f72SDavid Daney select DMA_COHERENT 831a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 832a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 833f65aad41SRalf Baechle select EDAC_SUPPORT 834b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 83573569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 83673569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 837a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 8385e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 839a86c7f72SDavid Daney select SWAP_IO_SPACE 840e8635b48SDavid Daney select HW_HAS_PCI 841f00e001eSDavid Daney select ZONE_DMA32 842465aaed0SDavid Daney select HOLES_IN_ZONE 84399cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 8446e511163SDavid Daney select LIBFDT 8456e511163SDavid Daney select USE_OF 8466e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 8476e511163SDavid Daney select SYS_SUPPORTS_SMP 8486e511163SDavid Daney select NR_CPUS_DEFAULT_16 849e326479fSAndrew Bresticker select BUILTIN_DTB 8508c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 851a86c7f72SDavid Daney help 852a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 853a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 854a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 855a86c7f72SDavid Daney Some of the supported boards are: 856a86c7f72SDavid Daney EBT3000 857a86c7f72SDavid Daney EBH3000 858a86c7f72SDavid Daney EBH3100 859a86c7f72SDavid Daney Thunder 860a86c7f72SDavid Daney Kodama 861a86c7f72SDavid Daney Hikari 862a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 863a86c7f72SDavid Daney 8647f058e85SJayachandran Cconfig NLM_XLR_BOARD 8657f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 8667f058e85SJayachandran C select BOOT_ELF32 8677f058e85SJayachandran C select NLM_COMMON 8687f058e85SJayachandran C select SYS_HAS_CPU_XLR 8697f058e85SJayachandran C select SYS_SUPPORTS_SMP 8707f058e85SJayachandran C select HW_HAS_PCI 8717f058e85SJayachandran C select SWAP_IO_SPACE 8727f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8737f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 87434adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 8757f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8767f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 8777f058e85SJayachandran C select DMA_COHERENT 8787f058e85SJayachandran C select NR_CPUS_DEFAULT_32 8797f058e85SJayachandran C select CEVT_R4K 8807f058e85SJayachandran C select CSRC_R4K 88167e38cf2SRalf Baechle select IRQ_MIPS_CPU 882b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8837f058e85SJayachandran C select SYNC_R4K 8847f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 8858f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8868f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8877f058e85SJayachandran C help 8887f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 8897f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 8907f058e85SJayachandran C 8911c773ea4SJayachandran Cconfig NLM_XLP_BOARD 8921c773ea4SJayachandran C bool "Netlogic XLP based systems" 8931c773ea4SJayachandran C select BOOT_ELF32 8941c773ea4SJayachandran C select NLM_COMMON 8951c773ea4SJayachandran C select SYS_HAS_CPU_XLP 8961c773ea4SJayachandran C select SYS_SUPPORTS_SMP 8971c773ea4SJayachandran C select HW_HAS_PCI 8981c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8991c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 90034adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 9011c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9021c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9031c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9041c773ea4SJayachandran C select DMA_COHERENT 9051c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9061c773ea4SJayachandran C select CEVT_R4K 9071c773ea4SJayachandran C select CSRC_R4K 90867e38cf2SRalf Baechle select IRQ_MIPS_CPU 909b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9101c773ea4SJayachandran C select SYNC_R4K 9111c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9122f6528e1SJayachandran C select USE_OF 9138f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9148f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9151c773ea4SJayachandran C help 9161c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9171c773ea4SJayachandran C Say Y here if you have a XLP based board. 9181c773ea4SJayachandran C 9199bc463beSDavid Daneyconfig MIPS_PARAVIRT 9209bc463beSDavid Daney bool "Para-Virtualized guest system" 9219bc463beSDavid Daney select CEVT_R4K 9229bc463beSDavid Daney select CSRC_R4K 9239bc463beSDavid Daney select DMA_COHERENT 9249bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9259bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9269bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9279bc463beSDavid Daney select SYS_SUPPORTS_SMP 9289bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9299bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9309bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9319bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9329bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9339bc463beSDavid Daney select HW_HAS_PCI 9349bc463beSDavid Daney select SWAP_IO_SPACE 9359bc463beSDavid Daney help 9369bc463beSDavid Daney This option supports guest running under ???? 9379bc463beSDavid Daney 9381da177e4SLinus Torvaldsendchoice 9391da177e4SLinus Torvalds 940e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 9413b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 942d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 943a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 944e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 9458945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 9465e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 9475ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 9488ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 9491f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 9500f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 951ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 95229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 95338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 95422b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 9555e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 956a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 95730ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 95830ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 9597f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 960ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 96138b18f72SRalf Baechle 9625e83d430SRalf Baechleendmenu 9635e83d430SRalf Baechle 9641da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 9651da177e4SLinus Torvalds bool 9661da177e4SLinus Torvalds default y 9671da177e4SLinus Torvalds 9681da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 9691da177e4SLinus Torvalds bool 9701da177e4SLinus Torvalds 971f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 972f0d1b0b3SDavid Howells bool 973f0d1b0b3SDavid Howells default n 974f0d1b0b3SDavid Howells 975f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 976f0d1b0b3SDavid Howells bool 977f0d1b0b3SDavid Howells default n 978f0d1b0b3SDavid Howells 9793c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 9803c9ee7efSAkinobu Mita bool 9813c9ee7efSAkinobu Mita default y 9823c9ee7efSAkinobu Mita 9831da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 9841da177e4SLinus Torvalds bool 9851da177e4SLinus Torvalds default y 9861da177e4SLinus Torvalds 987ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 9881cc89038SAtsushi Nemoto bool 9891cc89038SAtsushi Nemoto default y 9901cc89038SAtsushi Nemoto 9911da177e4SLinus Torvalds# 9921da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 9931da177e4SLinus Torvalds# 9940e2794b0SRalf Baechleconfig FW_ARC 9951da177e4SLinus Torvalds bool 9961da177e4SLinus Torvalds 99761ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 99861ed242dSRalf Baechle bool 99961ed242dSRalf Baechle 10009267a30dSMarc St-Jeanconfig BOOT_RAW 10019267a30dSMarc St-Jean bool 10029267a30dSMarc St-Jean 1003217dd11eSRalf Baechleconfig CEVT_BCM1480 1004217dd11eSRalf Baechle bool 1005217dd11eSRalf Baechle 10066457d9fcSYoichi Yuasaconfig CEVT_DS1287 10076457d9fcSYoichi Yuasa bool 10086457d9fcSYoichi Yuasa 10091097c6acSYoichi Yuasaconfig CEVT_GT641XX 10101097c6acSYoichi Yuasa bool 10111097c6acSYoichi Yuasa 101242f77542SRalf Baechleconfig CEVT_R4K 101342f77542SRalf Baechle bool 101442f77542SRalf Baechle 1015217dd11eSRalf Baechleconfig CEVT_SB1250 1016217dd11eSRalf Baechle bool 1017217dd11eSRalf Baechle 1018229f773eSAtsushi Nemotoconfig CEVT_TXX9 1019229f773eSAtsushi Nemoto bool 1020229f773eSAtsushi Nemoto 1021217dd11eSRalf Baechleconfig CSRC_BCM1480 1022217dd11eSRalf Baechle bool 1023217dd11eSRalf Baechle 10244247417dSYoichi Yuasaconfig CSRC_IOASIC 10254247417dSYoichi Yuasa bool 10264247417dSYoichi Yuasa 1027940f6b48SRalf Baechleconfig CSRC_R4K 1028940f6b48SRalf Baechle bool 1029940f6b48SRalf Baechle 1030217dd11eSRalf Baechleconfig CSRC_SB1250 1031217dd11eSRalf Baechle bool 1032217dd11eSRalf Baechle 1033a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 10347444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 1035a9aec7feSAtsushi Nemoto bool 1036a9aec7feSAtsushi Nemoto 10370e2794b0SRalf Baechleconfig FW_CFE 1038df78b5c8SAurelien Jarno bool 1039df78b5c8SAurelien Jarno 10404bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 104134adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 10424bafad92SFUJITA Tomonori 1043885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1044885014bcSFelix Fietkau select DMA_NONCOHERENT 1045885014bcSFelix Fietkau bool 1046885014bcSFelix Fietkau 10471da177e4SLinus Torvaldsconfig DMA_COHERENT 10481da177e4SLinus Torvalds bool 10491da177e4SLinus Torvalds 10501da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 10511da177e4SLinus Torvalds bool 1052e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 10534ce588cdSRalf Baechle 1054e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 10554ce588cdSRalf Baechle bool 10561da177e4SLinus Torvalds 105736a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 10581da177e4SLinus Torvalds bool 10591da177e4SLinus Torvalds 1060dbb74540SRalf Baechleconfig HOTPLUG_CPU 10611b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 106240b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 10631b2bc75cSRalf Baechle help 10641b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 10651b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 10661b2bc75cSRalf Baechle (Note: power management support will enable this option 10671b2bc75cSRalf Baechle automatically on SMP systems. ) 10681b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 10691b2bc75cSRalf Baechle 10701b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1071dbb74540SRalf Baechle bool 1072dbb74540SRalf Baechle 10731da177e4SLinus Torvaldsconfig I8259 10741da177e4SLinus Torvalds bool 1075079a4601SAndrew Bresticker select IRQ_DOMAIN 10761da177e4SLinus Torvalds 10771da177e4SLinus Torvaldsconfig MIPS_BONITO64 10781da177e4SLinus Torvalds bool 10791da177e4SLinus Torvalds 10801da177e4SLinus Torvaldsconfig MIPS_MSC 10811da177e4SLinus Torvalds bool 10821da177e4SLinus Torvalds 10831f21d2bdSBrian Murphyconfig MIPS_NILE4 10841f21d2bdSBrian Murphy bool 10851f21d2bdSBrian Murphy 108639b8d525SRalf Baechleconfig SYNC_R4K 108739b8d525SRalf Baechle bool 108839b8d525SRalf Baechle 1089487d70d0SGabor Juhosconfig MIPS_MACHINE 1090487d70d0SGabor Juhos def_bool n 1091487d70d0SGabor Juhos 1092ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1093d388d685SMaciej W. Rozycki def_bool n 1094d388d685SMaciej W. Rozycki 10954e0748f5SMarkos Chandrasconfig GENERIC_CSUM 10964e0748f5SMarkos Chandras bool 10974e0748f5SMarkos Chandras 10988313da30SRalf Baechleconfig GENERIC_ISA_DMA 10998313da30SRalf Baechle bool 11008313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1101a35bee8aSNamhyung Kim select ISA_DMA_API 11028313da30SRalf Baechle 1103aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1104aa414dffSRalf Baechle bool 11058313da30SRalf Baechle select GENERIC_ISA_DMA 1106aa414dffSRalf Baechle 1107a35bee8aSNamhyung Kimconfig ISA_DMA_API 1108a35bee8aSNamhyung Kim bool 1109a35bee8aSNamhyung Kim 1110465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1111465aaed0SDavid Daney bool 1112465aaed0SDavid Daney 11135e83d430SRalf Baechle# 11146b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11155e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11165e83d430SRalf Baechle# choice statement should be more obvious to the user. 11175e83d430SRalf Baechle# 11185e83d430SRalf Baechlechoice 11196b2aac42SMasanari Iida prompt "Endianness selection" 11201da177e4SLinus Torvalds help 11211da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11225e83d430SRalf Baechle byte order. These modes require different kernels and a different 11233cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11245e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11253dde6ad8SDavid Sterba one or the other endianness. 11265e83d430SRalf Baechle 11275e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11285e83d430SRalf Baechle bool "Big endian" 11295e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11305e83d430SRalf Baechle 11315e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11325e83d430SRalf Baechle bool "Little endian" 11335e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11345e83d430SRalf Baechle 11355e83d430SRalf Baechleendchoice 11365e83d430SRalf Baechle 113722b0763aSDavid Daneyconfig EXPORT_UASM 113822b0763aSDavid Daney bool 113922b0763aSDavid Daney 11402116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 11412116245eSRalf Baechle bool 11422116245eSRalf Baechle 11435e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 11445e83d430SRalf Baechle bool 11455e83d430SRalf Baechle 11465e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 11475e83d430SRalf Baechle bool 11481da177e4SLinus Torvalds 11499cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 11509cffd154SDavid Daney bool 11519cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 11529cffd154SDavid Daney default y 11539cffd154SDavid Daney 1154aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1155aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1156aa1762f4SDavid Daney 11571da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 11581da177e4SLinus Torvalds bool 11591da177e4SLinus Torvalds 11609267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 11619267a30dSMarc St-Jean bool 11629267a30dSMarc St-Jean 11639267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 11649267a30dSMarc St-Jean bool 11659267a30dSMarc St-Jean 11668420fd00SAtsushi Nemotoconfig IRQ_TXX9 11678420fd00SAtsushi Nemoto bool 11688420fd00SAtsushi Nemoto 1169d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1170d5ab1a69SYoichi Yuasa bool 1171d5ab1a69SYoichi Yuasa 1172252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 11731da177e4SLinus Torvalds bool 11741da177e4SLinus Torvalds 11759267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 11769267a30dSMarc St-Jean bool 11779267a30dSMarc St-Jean 1178a83860c2SRalf Baechleconfig SOC_EMMA2RH 1179a83860c2SRalf Baechle bool 1180a83860c2SRalf Baechle select CEVT_R4K 1181a83860c2SRalf Baechle select CSRC_R4K 1182a83860c2SRalf Baechle select DMA_NONCOHERENT 118367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1184a83860c2SRalf Baechle select SWAP_IO_SPACE 1185a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1186a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1187a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1188a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1189a83860c2SRalf Baechle 1190edb6310aSDaniel Lairdconfig SOC_PNX833X 1191edb6310aSDaniel Laird bool 1192edb6310aSDaniel Laird select CEVT_R4K 1193edb6310aSDaniel Laird select CSRC_R4K 119467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1195edb6310aSDaniel Laird select DMA_NONCOHERENT 1196edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1197edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1198edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1199edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1200377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1201edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1202edb6310aSDaniel Laird 1203edb6310aSDaniel Lairdconfig SOC_PNX8335 1204edb6310aSDaniel Laird bool 1205edb6310aSDaniel Laird select SOC_PNX833X 1206edb6310aSDaniel Laird 1207a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1208a7e07b1aSMarkos Chandras bool 1209a7e07b1aSMarkos Chandras 12101da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12111da177e4SLinus Torvalds bool 12121da177e4SLinus Torvalds 1213e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1214e2defae5SThomas Bogendoerfer bool 1215e2defae5SThomas Bogendoerfer 12165b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12175b438c44SThomas Bogendoerfer bool 12185b438c44SThomas Bogendoerfer 1219e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1220e2defae5SThomas Bogendoerfer bool 1221e2defae5SThomas Bogendoerfer 1222e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1223e2defae5SThomas Bogendoerfer bool 1224e2defae5SThomas Bogendoerfer 1225e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1226e2defae5SThomas Bogendoerfer bool 1227e2defae5SThomas Bogendoerfer 1228e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1229e2defae5SThomas Bogendoerfer bool 1230e2defae5SThomas Bogendoerfer 1231e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1232e2defae5SThomas Bogendoerfer bool 1233e2defae5SThomas Bogendoerfer 12340e2794b0SRalf Baechleconfig FW_ARC32 12355e83d430SRalf Baechle bool 12365e83d430SRalf Baechle 1237aaa9fad3SPaul Bolleconfig FW_SNIPROM 1238231a35d3SThomas Bogendoerfer bool 1239231a35d3SThomas Bogendoerfer 12401da177e4SLinus Torvaldsconfig BOOT_ELF32 12411da177e4SLinus Torvalds bool 12421da177e4SLinus Torvalds 1243930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1244930beb5aSFlorian Fainelli bool 1245930beb5aSFlorian Fainelli 1246930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1247930beb5aSFlorian Fainelli bool 1248930beb5aSFlorian Fainelli 1249930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1250930beb5aSFlorian Fainelli bool 1251930beb5aSFlorian Fainelli 1252930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1253930beb5aSFlorian Fainelli bool 1254930beb5aSFlorian Fainelli 12551da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12561da177e4SLinus Torvalds int 1257a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12585432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 12595432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 12605432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 12611da177e4SLinus Torvalds default "5" 12621da177e4SLinus Torvalds 12631da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 12641da177e4SLinus Torvalds bool 12651da177e4SLinus Torvalds 12661da177e4SLinus Torvaldsconfig ARC_CONSOLE 12671da177e4SLinus Torvalds bool "ARC console support" 1268e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12691da177e4SLinus Torvalds 12701da177e4SLinus Torvaldsconfig ARC_MEMORY 12711da177e4SLinus Torvalds bool 127214b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 12731da177e4SLinus Torvalds default y 12741da177e4SLinus Torvalds 12751da177e4SLinus Torvaldsconfig ARC_PROMLIB 12761da177e4SLinus Torvalds bool 1277e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 12781da177e4SLinus Torvalds default y 12791da177e4SLinus Torvalds 12800e2794b0SRalf Baechleconfig FW_ARC64 12811da177e4SLinus Torvalds bool 12821da177e4SLinus Torvalds 12831da177e4SLinus Torvaldsconfig BOOT_ELF64 12841da177e4SLinus Torvalds bool 12851da177e4SLinus Torvalds 12861da177e4SLinus Torvaldsmenu "CPU selection" 12871da177e4SLinus Torvalds 12881da177e4SLinus Torvaldschoice 12891da177e4SLinus Torvalds prompt "CPU type" 12901da177e4SLinus Torvalds default CPU_R4X00 12911da177e4SLinus Torvalds 12920e476d91SHuacai Chenconfig CPU_LOONGSON3 12930e476d91SHuacai Chen bool "Loongson 3 CPU" 12940e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 12950e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 12960e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 12970e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 12980e476d91SHuacai Chen select WEAK_ORDERING 12990e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1300cbfb3ea7SHuacai Chen select ARCH_REQUIRE_GPIOLIB 13010e476d91SHuacai Chen help 13020e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13030e476d91SHuacai Chen set with many extensions. 13040e476d91SHuacai Chen 13053702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13063702bba5SWu Zhangjin bool "Loongson 2E" 13073702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 13083702bba5SWu Zhangjin select CPU_LOONGSON2 13092a21c730SFuxin Zhang help 13102a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13112a21c730SFuxin Zhang with many extensions. 13122a21c730SFuxin Zhang 131325985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13146f7a251aSWu Zhangjin bonito64. 13156f7a251aSWu Zhangjin 13166f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13176f7a251aSWu Zhangjin bool "Loongson 2F" 13186f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 13196f7a251aSWu Zhangjin select CPU_LOONGSON2 1320c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 13216f7a251aSWu Zhangjin help 13226f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13236f7a251aSWu Zhangjin with many extensions. 13246f7a251aSWu Zhangjin 13256f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13266f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13276f7a251aSWu Zhangjin Loongson2E. 13286f7a251aSWu Zhangjin 1329ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1330ca585cf9SKelvin Cheung bool "Loongson 1B" 1331ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1332ca585cf9SKelvin Cheung select CPU_LOONGSON1 1333ca585cf9SKelvin Cheung help 1334ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1335ca585cf9SKelvin Cheung release 2 instruction set. 1336ca585cf9SKelvin Cheung 13376e760c8dSRalf Baechleconfig CPU_MIPS32_R1 13386e760c8dSRalf Baechle bool "MIPS32 Release 1" 13397cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 13406e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1341797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1342ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13436e760c8dSRalf Baechle help 13445e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 13451e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13461e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13471e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13481e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13491e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 13501e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 13511e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 13521e5f1caaSRalf Baechle performance. 13531e5f1caaSRalf Baechle 13541e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 13551e5f1caaSRalf Baechle bool "MIPS32 Release 2" 13567cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 13571e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1358797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1359ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1360a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13612235a54dSSanjay Lal select HAVE_KVM 13621e5f1caaSRalf Baechle help 13635e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 13646e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13656e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13666e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13676e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13681da177e4SLinus Torvalds 13697fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1370674d10e2SMarkos Chandras bool "MIPS32 Release 6" 13717fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 13727fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 13737fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 13747fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 13757fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 13764e0748f5SMarkos Chandras select GENERIC_CSUM 13777fd08ca5SLeonid Yegoshin select HAVE_KVM 13787fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 13797fd08ca5SLeonid Yegoshin help 13807fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 13817fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 13827fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 13837fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 13847fd08ca5SLeonid Yegoshin 13856e760c8dSRalf Baechleconfig CPU_MIPS64_R1 13866e760c8dSRalf Baechle bool "MIPS64 Release 1" 13877cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1388797798c1SRalf Baechle select CPU_HAS_PREFETCH 1389ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1390ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1391ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13929cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 13936e760c8dSRalf Baechle help 13946e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 13956e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13966e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13976e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13986e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13991e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14001e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14011e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14021e5f1caaSRalf Baechle performance. 14031e5f1caaSRalf Baechle 14041e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 14051e5f1caaSRalf Baechle bool "MIPS64 Release 2" 14067cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1407797798c1SRalf Baechle select CPU_HAS_PREFETCH 14081e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14091e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1410ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14119cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1412a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14131e5f1caaSRalf Baechle help 14141e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 14151e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14161e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14171e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14181e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14191da177e4SLinus Torvalds 14207fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1421674d10e2SMarkos Chandras bool "MIPS64 Release 6" 14227fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 14237fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14247fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14257fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 14267fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14277fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14284e0748f5SMarkos Chandras select GENERIC_CSUM 14294e9d324dSPaul Burton select MIPS_O32_FP64_SUPPORT if MIPS32_O32 14307fd08ca5SLeonid Yegoshin help 14317fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14327fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 14337fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 14347fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 14357fd08ca5SLeonid Yegoshin 14361da177e4SLinus Torvaldsconfig CPU_R3000 14371da177e4SLinus Torvalds bool "R3000" 14387cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1439f7062ddbSRalf Baechle select CPU_HAS_WB 1440ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1441797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14421da177e4SLinus Torvalds help 14431da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 14441da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 14451da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 14461da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 14471da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 14481da177e4SLinus Torvalds try to recompile with R3000. 14491da177e4SLinus Torvalds 14501da177e4SLinus Torvaldsconfig CPU_TX39XX 14511da177e4SLinus Torvalds bool "R39XX" 14527cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1453ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 14541da177e4SLinus Torvalds 14551da177e4SLinus Torvaldsconfig CPU_VR41XX 14561da177e4SLinus Torvalds bool "R41xx" 14577cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1458ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1459ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14601da177e4SLinus Torvalds help 14615e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 14621da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 14631da177e4SLinus Torvalds kernel built with this option will not run on any other type of 14641da177e4SLinus Torvalds processor or vice versa. 14651da177e4SLinus Torvalds 14661da177e4SLinus Torvaldsconfig CPU_R4300 14671da177e4SLinus Torvalds bool "R4300" 14687cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1469ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1470ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14711da177e4SLinus Torvalds help 14721da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 14731da177e4SLinus Torvalds 14741da177e4SLinus Torvaldsconfig CPU_R4X00 14751da177e4SLinus Torvalds bool "R4x00" 14767cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1477ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1478ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1479970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14801da177e4SLinus Torvalds help 14811da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 14821da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 14831da177e4SLinus Torvalds 14841da177e4SLinus Torvaldsconfig CPU_TX49XX 14851da177e4SLinus Torvalds bool "R49XX" 14867cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1487de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1488ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1489ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1490970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14911da177e4SLinus Torvalds 14921da177e4SLinus Torvaldsconfig CPU_R5000 14931da177e4SLinus Torvalds bool "R5000" 14947cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1495ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1496ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1497970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14981da177e4SLinus Torvalds help 14991da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 15001da177e4SLinus Torvalds 15011da177e4SLinus Torvaldsconfig CPU_R5432 15021da177e4SLinus Torvalds bool "R5432" 15037cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 15045e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15055e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1506970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15071da177e4SLinus Torvalds 1508542c1020SShinya Kuribayashiconfig CPU_R5500 1509542c1020SShinya Kuribayashi bool "R5500" 1510542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1511542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1512542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 15139cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1514542c1020SShinya Kuribayashi help 1515542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1516542c1020SShinya Kuribayashi instruction set. 1517542c1020SShinya Kuribayashi 15181da177e4SLinus Torvaldsconfig CPU_R6000 15191da177e4SLinus Torvalds bool "R6000" 15207cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1521ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15221da177e4SLinus Torvalds help 15231da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1524c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 15251da177e4SLinus Torvalds 15261da177e4SLinus Torvaldsconfig CPU_NEVADA 15271da177e4SLinus Torvalds bool "RM52xx" 15287cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1529ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1530ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1531970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15321da177e4SLinus Torvalds help 15331da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 15341da177e4SLinus Torvalds 15351da177e4SLinus Torvaldsconfig CPU_R8000 15361da177e4SLinus Torvalds bool "R8000" 15377cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 15385e83d430SRalf Baechle select CPU_HAS_PREFETCH 1539ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15401da177e4SLinus Torvalds help 15411da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 15421da177e4SLinus Torvalds uncommon and the support for them is incomplete. 15431da177e4SLinus Torvalds 15441da177e4SLinus Torvaldsconfig CPU_R10000 15451da177e4SLinus Torvalds bool "R10000" 15467cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 15475e83d430SRalf Baechle select CPU_HAS_PREFETCH 1548ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1549ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1550797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1551970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15521da177e4SLinus Torvalds help 15531da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 15541da177e4SLinus Torvalds 15551da177e4SLinus Torvaldsconfig CPU_RM7000 15561da177e4SLinus Torvalds bool "RM7000" 15577cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 15585e83d430SRalf Baechle select CPU_HAS_PREFETCH 1559ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1560ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1561797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1562970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15631da177e4SLinus Torvalds 15641da177e4SLinus Torvaldsconfig CPU_SB1 15651da177e4SLinus Torvalds bool "SB1" 15667cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1567ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1568ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1569797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1570970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15710004a9dfSRalf Baechle select WEAK_ORDERING 15721da177e4SLinus Torvalds 1573a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1574a86c7f72SDavid Daney bool "Cavium Octeon processor" 15755e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1576a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1577a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1578a86c7f72SDavid Daney select WEAK_ORDERING 1579a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 15809cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1581df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1582df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1583930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1584a86c7f72SDavid Daney help 1585a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1586a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1587a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1588a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1589a86c7f72SDavid Daney 1590cd746249SJonas Gorskiconfig CPU_BMIPS 1591cd746249SJonas Gorski bool "Broadcom BMIPS" 1592cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1593cd746249SJonas Gorski select CPU_MIPS32 1594fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1595cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1596cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1597cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1598cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1599cd746249SJonas Gorski select DMA_NONCOHERENT 160067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1601cd746249SJonas Gorski select SWAP_IO_SPACE 1602cd746249SJonas Gorski select WEAK_ORDERING 1603c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 160469aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1605c1c0c461SKevin Cernekee help 1606fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1607c1c0c461SKevin Cernekee 16087f058e85SJayachandran Cconfig CPU_XLR 16097f058e85SJayachandran C bool "Netlogic XLR SoC" 16107f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 16117f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16127f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16137f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1614970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16157f058e85SJayachandran C select WEAK_ORDERING 16167f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16177f058e85SJayachandran C help 16187f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 16191c773ea4SJayachandran C 16201c773ea4SJayachandran Cconfig CPU_XLP 16211c773ea4SJayachandran C bool "Netlogic XLP SoC" 16221c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 16231c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16241c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16251c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 16261c773ea4SJayachandran C select WEAK_ORDERING 16271c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16281c773ea4SJayachandran C select CPU_HAS_PREFETCH 1629d6504846SJayachandran C select CPU_MIPSR2 1630ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 16311c773ea4SJayachandran C help 16321c773ea4SJayachandran C Netlogic Microsystems XLP processors. 16331da177e4SLinus Torvaldsendchoice 16341da177e4SLinus Torvalds 1635a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1636a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1637a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 16387fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1639a6e18781SLeonid Yegoshin help 1640a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1641a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1642a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1643a6e18781SLeonid Yegoshin 1644a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1645a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1646a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1647a6e18781SLeonid Yegoshin select EVA 1648a6e18781SLeonid Yegoshin default y 1649a6e18781SLeonid Yegoshin help 1650a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1651a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1652a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1653a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1654a6e18781SLeonid Yegoshin 1655c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1656c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1657c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1658c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1659c5b36783SSteven J. Hill help 1660c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1661c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1662c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1663c5b36783SSteven J. Hill 1664c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1665c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1666c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1667c5b36783SSteven J. Hill depends on !EVA 1668c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1669c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1670c5b36783SSteven J. Hill select XPA 1671c5b36783SSteven J. Hill select HIGHMEM 1672c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1673c5b36783SSteven J. Hill default n 1674c5b36783SSteven J. Hill help 1675c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1676c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1677c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1678c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1679c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1680c5b36783SSteven J. Hill If unsure, say 'N' here. 1681c5b36783SSteven J. Hill 1682622844bfSWu Zhangjinif CPU_LOONGSON2F 1683622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1684622844bfSWu Zhangjin bool 1685622844bfSWu Zhangjin 1686622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1687622844bfSWu Zhangjin bool 1688622844bfSWu Zhangjin 1689622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1690622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1691622844bfSWu Zhangjin default y 1692622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1693622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1694622844bfSWu Zhangjin help 1695622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1696622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1697622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1698622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1699622844bfSWu Zhangjin 1700622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1701622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1702622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1703622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1704622844bfSWu Zhangjin systems. 1705622844bfSWu Zhangjin 1706622844bfSWu Zhangjin If unsure, please say Y. 1707622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1708622844bfSWu Zhangjin 17091b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 17101b93b3c3SWu Zhangjin bool 17111b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 17121b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 171331c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 17141b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1715fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 17164e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 17171b93b3c3SWu Zhangjin 17181b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 17191b93b3c3SWu Zhangjin bool 17201b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 17211b93b3c3SWu Zhangjin 17223702bba5SWu Zhangjinconfig CPU_LOONGSON2 17233702bba5SWu Zhangjin bool 17243702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 17253702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 17263702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1727970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17283702bba5SWu Zhangjin 1729ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1730ca585cf9SKelvin Cheung bool 1731ca585cf9SKelvin Cheung select CPU_MIPS32 1732ca585cf9SKelvin Cheung select CPU_MIPSR2 1733ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1734ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1735ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1736f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1737ca585cf9SKelvin Cheung 1738fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 173904fa8bf7SJonas Gorski select SMP_UP if SMP 17401bbb6c1bSKevin Cernekee bool 1741cd746249SJonas Gorski 1742cd746249SJonas Gorskiconfig CPU_BMIPS4350 1743cd746249SJonas Gorski bool 1744cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1745cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1746cd746249SJonas Gorski 1747cd746249SJonas Gorskiconfig CPU_BMIPS4380 1748cd746249SJonas Gorski bool 1749bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1750cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1751cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1752cd746249SJonas Gorski 1753cd746249SJonas Gorskiconfig CPU_BMIPS5000 1754cd746249SJonas Gorski bool 1755cd746249SJonas Gorski select MIPS_CPU_SCACHE 1756bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1757cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1758cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 17591bbb6c1bSKevin Cernekee 17600e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 17610e476d91SHuacai Chen bool 17620e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 17630e476d91SHuacai Chen 17643702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 17652a21c730SFuxin Zhang bool 17662a21c730SFuxin Zhang 17676f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 17686f7a251aSWu Zhangjin bool 176955045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 177055045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 177122f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 17726f7a251aSWu Zhangjin 1773ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1774ca585cf9SKelvin Cheung bool 1775ca585cf9SKelvin Cheung 17767cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 17777cf8053bSRalf Baechle bool 17787cf8053bSRalf Baechle 17797cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 17807cf8053bSRalf Baechle bool 17817cf8053bSRalf Baechle 1782a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1783a6e18781SLeonid Yegoshin bool 1784a6e18781SLeonid Yegoshin 1785c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1786c5b36783SSteven J. Hill bool 1787c5b36783SSteven J. Hill 17887fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 17897fd08ca5SLeonid Yegoshin bool 17907fd08ca5SLeonid Yegoshin 17917cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 17927cf8053bSRalf Baechle bool 17937cf8053bSRalf Baechle 17947cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 17957cf8053bSRalf Baechle bool 17967cf8053bSRalf Baechle 17977fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 17987fd08ca5SLeonid Yegoshin bool 17997fd08ca5SLeonid Yegoshin 18007cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 18017cf8053bSRalf Baechle bool 18027cf8053bSRalf Baechle 18037cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 18047cf8053bSRalf Baechle bool 18057cf8053bSRalf Baechle 18067cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 18077cf8053bSRalf Baechle bool 18087cf8053bSRalf Baechle 18097cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 18107cf8053bSRalf Baechle bool 18117cf8053bSRalf Baechle 18127cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 18137cf8053bSRalf Baechle bool 18147cf8053bSRalf Baechle 18157cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 18167cf8053bSRalf Baechle bool 18177cf8053bSRalf Baechle 18187cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 18197cf8053bSRalf Baechle bool 18207cf8053bSRalf Baechle 18217cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 18227cf8053bSRalf Baechle bool 18237cf8053bSRalf Baechle 1824542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1825542c1020SShinya Kuribayashi bool 1826542c1020SShinya Kuribayashi 18277cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 18287cf8053bSRalf Baechle bool 18297cf8053bSRalf Baechle 18307cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 18317cf8053bSRalf Baechle bool 18327cf8053bSRalf Baechle 18337cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 18347cf8053bSRalf Baechle bool 18357cf8053bSRalf Baechle 18367cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 18377cf8053bSRalf Baechle bool 18387cf8053bSRalf Baechle 18397cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 18407cf8053bSRalf Baechle bool 18417cf8053bSRalf Baechle 18427cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 18437cf8053bSRalf Baechle bool 18447cf8053bSRalf Baechle 18455e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 18465e683389SDavid Daney bool 18475e683389SDavid Daney 1848cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1849c1c0c461SKevin Cernekee bool 1850c1c0c461SKevin Cernekee 1851fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1852c1c0c461SKevin Cernekee bool 1853cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1854c1c0c461SKevin Cernekee 1855c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1856c1c0c461SKevin Cernekee bool 1857cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1858c1c0c461SKevin Cernekee 1859c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1860c1c0c461SKevin Cernekee bool 1861cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1862c1c0c461SKevin Cernekee 1863c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1864c1c0c461SKevin Cernekee bool 1865cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1866c1c0c461SKevin Cernekee 18677f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 18687f058e85SJayachandran C bool 18697f058e85SJayachandran C 18701c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 18711c773ea4SJayachandran C bool 18721c773ea4SJayachandran C 1873b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1874b6911bbaSPaul Burton depends on MIPS_MALTA 1875b6911bbaSPaul Burton depends on PCI 1876b6911bbaSPaul Burton bool 1877b6911bbaSPaul Burton default y 1878b6911bbaSPaul Burton 187917099b11SRalf Baechle# 188017099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 188117099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 188217099b11SRalf Baechle# 18830004a9dfSRalf Baechleconfig WEAK_ORDERING 18840004a9dfSRalf Baechle bool 188517099b11SRalf Baechle 188617099b11SRalf Baechle# 188717099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 188817099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 188917099b11SRalf Baechle# 189017099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 189117099b11SRalf Baechle bool 18925e83d430SRalf Baechleendmenu 18935e83d430SRalf Baechle 18945e83d430SRalf Baechle# 18955e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 18965e83d430SRalf Baechle# 18975e83d430SRalf Baechleconfig CPU_MIPS32 18985e83d430SRalf Baechle bool 18997fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 19005e83d430SRalf Baechle 19015e83d430SRalf Baechleconfig CPU_MIPS64 19025e83d430SRalf Baechle bool 19037fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 19045e83d430SRalf Baechle 19055e83d430SRalf Baechle# 1906c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 19075e83d430SRalf Baechle# 19085e83d430SRalf Baechleconfig CPU_MIPSR1 19095e83d430SRalf Baechle bool 19105e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 19115e83d430SRalf Baechle 19125e83d430SRalf Baechleconfig CPU_MIPSR2 19135e83d430SRalf Baechle bool 1914a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1915a7e07b1aSMarkos Chandras select MIPS_SPRAM 19165e83d430SRalf Baechle 19177fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 19187fd08ca5SLeonid Yegoshin bool 19197fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 1920a7e07b1aSMarkos Chandras select MIPS_SPRAM 19215e83d430SRalf Baechle 1922a6e18781SLeonid Yegoshinconfig EVA 1923a6e18781SLeonid Yegoshin bool 1924a6e18781SLeonid Yegoshin 1925c5b36783SSteven J. Hillconfig XPA 1926c5b36783SSteven J. Hill bool 1927c5b36783SSteven J. Hill 19285e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 19295e83d430SRalf Baechle bool 19305e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 19315e83d430SRalf Baechle bool 19325e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 19335e83d430SRalf Baechle bool 19345e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 19355e83d430SRalf Baechle bool 193655045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 193755045ff5SWu Zhangjin bool 193855045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 193955045ff5SWu Zhangjin bool 19409cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 19419cffd154SDavid Daney bool 194222f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 194322f1fdfdSWu Zhangjin bool 194482622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 194582622284SDavid Daney bool 1946d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 19475e83d430SRalf Baechle 19488192c9eaSDavid Daney# 19498192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 19508192c9eaSDavid Daney# 19518192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 19528192c9eaSDavid Daney bool 1953f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 19548192c9eaSDavid Daney 19555e83d430SRalf Baechlemenu "Kernel type" 19565e83d430SRalf Baechle 19575e83d430SRalf Baechlechoice 19585e83d430SRalf Baechle prompt "Kernel code model" 19595e83d430SRalf Baechle help 19605e83d430SRalf Baechle You should only select this option if you have a workload that 19615e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 19625e83d430SRalf Baechle large memory. You will only be presented a single option in this 19635e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 19645e83d430SRalf Baechle 19655e83d430SRalf Baechleconfig 32BIT 19665e83d430SRalf Baechle bool "32-bit kernel" 19675e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 19685e83d430SRalf Baechle select TRAD_SIGNALS 19695e83d430SRalf Baechle help 19705e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 1971*f17c4ca3SRalf Baechle 19725e83d430SRalf Baechleconfig 64BIT 19735e83d430SRalf Baechle bool "64-bit kernel" 19745e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 19755e83d430SRalf Baechle help 19765e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 19775e83d430SRalf Baechle 19785e83d430SRalf Baechleendchoice 19795e83d430SRalf Baechle 19802235a54dSSanjay Lalconfig KVM_GUEST 19812235a54dSSanjay Lal bool "KVM Guest Kernel" 1982f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 19832235a54dSSanjay Lal help 19842235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 19852235a54dSSanjay Lal 1986eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1987eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 19882235a54dSSanjay Lal depends on KVM_GUEST 1989eda3d33cSJames Hogan default 100 19902235a54dSSanjay Lal help 1991eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 1992eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 1993eda3d33cSJames Hogan timer frequency is specified directly. 19942235a54dSSanjay Lal 19951da177e4SLinus Torvaldschoice 19961da177e4SLinus Torvalds prompt "Kernel page size" 19971da177e4SLinus Torvalds default PAGE_SIZE_4KB 19981da177e4SLinus Torvalds 19991da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 20001da177e4SLinus Torvalds bool "4kB" 20010e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 20021da177e4SLinus Torvalds help 20031da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 20041da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 20051da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 20061da177e4SLinus Torvalds recommended for low memory systems. 20071da177e4SLinus Torvalds 20081da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 20091da177e4SLinus Torvalds bool "8kB" 20107d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 20111da177e4SLinus Torvalds help 20121da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 20131da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2014c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2015c52399beSRalf Baechle suitable Linux distribution to support this. 20161da177e4SLinus Torvalds 20171da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 20181da177e4SLinus Torvalds bool "16kB" 2019714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 20201da177e4SLinus Torvalds help 20211da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 20221da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2023714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2024714bfad6SRalf Baechle Linux distribution to support this. 20251da177e4SLinus Torvalds 2026c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2027c52399beSRalf Baechle bool "32kB" 2028c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 2029c52399beSRalf Baechle help 2030c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2031c52399beSRalf Baechle the price of higher memory consumption. This option is available 2032c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2033c52399beSRalf Baechle distribution to support this. 2034c52399beSRalf Baechle 20351da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 20361da177e4SLinus Torvalds bool "64kB" 20377d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 20381da177e4SLinus Torvalds help 20391da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 20401da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 20411da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2042714bfad6SRalf Baechle writing this option is still high experimental. 20431da177e4SLinus Torvalds 20441da177e4SLinus Torvaldsendchoice 20451da177e4SLinus Torvalds 2046c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2047c9bace7cSDavid Daney int "Maximum zone order" 2048e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2049e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2050e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2051e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2052e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2053e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2054c9bace7cSDavid Daney range 11 64 2055c9bace7cSDavid Daney default "11" 2056c9bace7cSDavid Daney help 2057c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2058c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2059c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2060c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2061c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2062c9bace7cSDavid Daney increase this value. 2063c9bace7cSDavid Daney 2064c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2065c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2066c9bace7cSDavid Daney 2067c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2068c9bace7cSDavid Daney when choosing a value for this option. 2069c9bace7cSDavid Daney 20701da177e4SLinus Torvaldsconfig BOARD_SCACHE 20711da177e4SLinus Torvalds bool 20721da177e4SLinus Torvalds 20731da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 20741da177e4SLinus Torvalds bool 20751da177e4SLinus Torvalds select BOARD_SCACHE 20761da177e4SLinus Torvalds 20779318c51aSChris Dearman# 20789318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 20799318c51aSChris Dearman# 20809318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 20819318c51aSChris Dearman bool 20829318c51aSChris Dearman select BOARD_SCACHE 20839318c51aSChris Dearman 20841da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 20851da177e4SLinus Torvalds bool 20861da177e4SLinus Torvalds select BOARD_SCACHE 20871da177e4SLinus Torvalds 20881da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 20891da177e4SLinus Torvalds bool 20901da177e4SLinus Torvalds select BOARD_SCACHE 20911da177e4SLinus Torvalds 20921da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 20931da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 20941da177e4SLinus Torvalds depends on CPU_SB1 20951da177e4SLinus Torvalds help 20961da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 20971da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 20981da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 20991da177e4SLinus Torvalds 21001da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2101c8094b53SRalf Baechle bool 21021da177e4SLinus Torvalds 21033165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 21043165c846SFlorian Fainelli bool 21053165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 21063165c846SFlorian Fainelli 210791405eb6SFlorian Fainelliconfig CPU_R4K_FPU 210891405eb6SFlorian Fainelli bool 210991405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 211091405eb6SFlorian Fainelli 211162cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 211262cedc4fSFlorian Fainelli bool 211362cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 211462cedc4fSFlorian Fainelli 211559d6ab86SRalf Baechleconfig MIPS_MT_SMP 2116a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 21175676319cSMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 211859d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2119d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2120c080faa5SSteven J. Hill select SYNC_R4K 21210c2cb004SPaul Burton select MIPS_GIC_IPI 212259d6ab86SRalf Baechle select MIPS_MT 212359d6ab86SRalf Baechle select SMP 212487353d8aSRalf Baechle select SMP_UP 2125c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2126c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2127399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 212859d6ab86SRalf Baechle help 2129c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2130c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2131c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2132c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2133c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 213459d6ab86SRalf Baechle 2135f41ae0b2SRalf Baechleconfig MIPS_MT 2136f41ae0b2SRalf Baechle bool 2137f41ae0b2SRalf Baechle 21380ab7aefcSRalf Baechleconfig SCHED_SMT 21390ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 21400ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 21410ab7aefcSRalf Baechle default n 21420ab7aefcSRalf Baechle help 21430ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 21440ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 21450ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 21460ab7aefcSRalf Baechle 21470ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 21480ab7aefcSRalf Baechle bool 21490ab7aefcSRalf Baechle 2150f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2151f41ae0b2SRalf Baechle bool 2152f41ae0b2SRalf Baechle 2153f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2154f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2155f088fc84SRalf Baechle default y 2156b633648cSRalf Baechle depends on MIPS_MT_SMP 215707cc0c9eSRalf Baechle 2158b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2159b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 2160b0a668fbSLeonid Yegoshin depends on CPU_MIPSR6 && !SMP 2161b0a668fbSLeonid Yegoshin default y 2162b0a668fbSLeonid Yegoshin help 2163b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2164b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 216507edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2166b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2167b0a668fbSLeonid Yegoshin final kernel image. 2168b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels" 2169b0a668fbSLeonid Yegoshin depends on SMP && CPU_MIPSR6 2170b0a668fbSLeonid Yegoshin 217107cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 217207cc0c9eSRalf Baechle bool "VPE loader support." 2173704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 217407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 217507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 217607cc0c9eSRalf Baechle select MIPS_MT 217707cc0c9eSRalf Baechle help 217807cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 217907cc0c9eSRalf Baechle onto another VPE and running it. 2180f088fc84SRalf Baechle 218117a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 218217a1d523SDeng-Cheng Zhu bool 218317a1d523SDeng-Cheng Zhu default "y" 218417a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 218517a1d523SDeng-Cheng Zhu 21861a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 21871a2a6d7eSDeng-Cheng Zhu bool 21881a2a6d7eSDeng-Cheng Zhu default "y" 21891a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 21901a2a6d7eSDeng-Cheng Zhu 2191e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2192e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2193e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2194e01402b1SRalf Baechle default y 2195e01402b1SRalf Baechle help 2196e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2197e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2198e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2199e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2200e01402b1SRalf Baechle 2201e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2202e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2203e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 22045e83d430SRalf Baechle help 2205e01402b1SRalf Baechle 2206da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2207da615cf6SDeng-Cheng Zhu bool 2208da615cf6SDeng-Cheng Zhu default "y" 2209da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2210da615cf6SDeng-Cheng Zhu 22112c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 22122c973ef0SDeng-Cheng Zhu bool 22132c973ef0SDeng-Cheng Zhu default "y" 22142c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 22152c973ef0SDeng-Cheng Zhu 22164a16ff4cSRalf Baechleconfig MIPS_CMP 22175cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 22185676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 221972e20142SPaul Burton select MIPS_GIC_IPI 2220b10b43baSMarkos Chandras select SMP 2221eb9b5141STim Anderson select SYNC_R4K 2222b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 22234a16ff4cSRalf Baechle select WEAK_ORDERING 22244a16ff4cSRalf Baechle default n 22254a16ff4cSRalf Baechle help 2226044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2227044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2228044505c7SPaul Burton its ability to start secondary CPUs. 22294a16ff4cSRalf Baechle 22305cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 22315cac93b3SPaul Burton instead of this. 22325cac93b3SPaul Burton 22330ee958e1SPaul Burtonconfig MIPS_CPS 22340ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 22355676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6 22360ee958e1SPaul Burton select MIPS_CM 22370ee958e1SPaul Burton select MIPS_CPC 22381d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 22390ee958e1SPaul Burton select MIPS_GIC_IPI 22400ee958e1SPaul Burton select SMP 22410ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 22421d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 22430ee958e1SPaul Burton select SYS_SUPPORTS_SMP 22440ee958e1SPaul Burton select WEAK_ORDERING 22450ee958e1SPaul Burton help 22460ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 22470ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 22480ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 22490ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 22500ee958e1SPaul Burton support is unavailable. 22510ee958e1SPaul Burton 22523179d37eSPaul Burtonconfig MIPS_CPS_PM 225339a59593SMarkos Chandras depends on MIPS_CPS 2254a8b84677SPaul Burton select MIPS_CPC 22553179d37eSPaul Burton bool 22563179d37eSPaul Burton 225772e20142SPaul Burtonconfig MIPS_GIC_IPI 225872e20142SPaul Burton bool 225972e20142SPaul Burton 22609f98f3ddSPaul Burtonconfig MIPS_CM 22619f98f3ddSPaul Burton bool 22629f98f3ddSPaul Burton 22639c38cf44SPaul Burtonconfig MIPS_CPC 22649c38cf44SPaul Burton bool 22652600990eSRalf Baechle 22661da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 22671da177e4SLinus Torvalds bool 22681da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 22691da177e4SLinus Torvalds default y 22701da177e4SLinus Torvalds 22711da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 22721da177e4SLinus Torvalds bool 22731da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 22741da177e4SLinus Torvalds default y 22751da177e4SLinus Torvalds 22762235a54dSSanjay Lal 227760ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 227834adb28dSRalf Baechle bool 227960ec6571Spascal@pabr.org 22809e2b5372SMarkos Chandraschoice 22819e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 22829e2b5372SMarkos Chandras 22839e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 22849e2b5372SMarkos Chandras bool "None" 22859e2b5372SMarkos Chandras help 22869e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 22879e2b5372SMarkos Chandras 22889693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 22899693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 22909e2b5372SMarkos Chandras bool "SmartMIPS" 22919693a853SFranck Bui-Huu help 22929693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 22939693a853SFranck Bui-Huu increased security at both hardware and software level for 22949693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 22959693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 22969693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 22979693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 22989693a853SFranck Bui-Huu here. 22999693a853SFranck Bui-Huu 2300bce86083SSteven J. Hillconfig CPU_MICROMIPS 23017fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 23029e2b5372SMarkos Chandras bool "microMIPS" 2303bce86083SSteven J. Hill help 2304bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2305bce86083SSteven J. Hill microMIPS ISA 2306bce86083SSteven J. Hill 23079e2b5372SMarkos Chandrasendchoice 23089e2b5372SMarkos Chandras 2309a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 23104af94d5dSPaul Burton bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" 2311a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 23122a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2313a5e9a69eSPaul Burton help 2314a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2315a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 23161db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 23171db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 23181db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 23191db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 23201db1af84SPaul Burton the size & complexity of your kernel. 2321a5e9a69eSPaul Burton 2322a5e9a69eSPaul Burton If unsure, say Y. 2323a5e9a69eSPaul Burton 23241da177e4SLinus Torvaldsconfig CPU_HAS_WB 2325f7062ddbSRalf Baechle bool 2326e01402b1SRalf Baechle 2327df0ac8a4SKevin Cernekeeconfig XKS01 2328df0ac8a4SKevin Cernekee bool 2329df0ac8a4SKevin Cernekee 2330f41ae0b2SRalf Baechle# 2331f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2332f41ae0b2SRalf Baechle# 2333e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2334f41ae0b2SRalf Baechle bool 2335e01402b1SRalf Baechle 2336f41ae0b2SRalf Baechle# 2337f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2338f41ae0b2SRalf Baechle# 2339e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2340f41ae0b2SRalf Baechle bool 2341e01402b1SRalf Baechle 23421da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 23431da177e4SLinus Torvalds bool 23441da177e4SLinus Torvalds depends on !CPU_R3000 23451da177e4SLinus Torvalds default y 23461da177e4SLinus Torvalds 23471da177e4SLinus Torvalds# 234820d60d99SMaciej W. Rozycki# CPU non-features 234920d60d99SMaciej W. Rozycki# 235020d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 235120d60d99SMaciej W. Rozycki bool 235220d60d99SMaciej W. Rozycki 235320d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 235420d60d99SMaciej W. Rozycki bool 235520d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 235620d60d99SMaciej W. Rozycki 235720d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 235820d60d99SMaciej W. Rozycki bool 235920d60d99SMaciej W. Rozycki 236020d60d99SMaciej W. Rozycki# 23611da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 23621da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 23631da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 23641da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 23651da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 23661da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 23671da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 23681da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2369797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2370797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2371797798c1SRalf Baechle# support. 23721da177e4SLinus Torvalds# 23731da177e4SLinus Torvaldsconfig HIGHMEM 23741da177e4SLinus Torvalds bool "High Memory Support" 2375a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2376797798c1SRalf Baechle 2377797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2378797798c1SRalf Baechle bool 2379797798c1SRalf Baechle 2380797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2381797798c1SRalf Baechle bool 23821da177e4SLinus Torvalds 23839693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 23849693a853SFranck Bui-Huu bool 23859693a853SFranck Bui-Huu 2386a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2387a6a4834cSSteven J. Hill bool 2388a6a4834cSSteven J. Hill 2389377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2390377cb1b6SRalf Baechle bool 2391377cb1b6SRalf Baechle help 2392377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2393377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2394377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2395377cb1b6SRalf Baechle 2396a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2397a5e9a69eSPaul Burton bool 2398a5e9a69eSPaul Burton 2399b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2400b4819b59SYoichi Yuasa def_bool y 2401f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2402b4819b59SYoichi Yuasa 2403d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2404d8cb4e11SRalf Baechle bool 2405d8cb4e11SRalf Baechle default y if SGI_IP27 2406d8cb4e11SRalf Baechle help 24073dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2408d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2409d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2410d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2411d8cb4e11SRalf Baechle 2412b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2413b1c6cd42SAtsushi Nemoto bool 24147de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 241531473747SAtsushi Nemoto 2416d8cb4e11SRalf Baechleconfig NUMA 2417d8cb4e11SRalf Baechle bool "NUMA Support" 2418d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2419d8cb4e11SRalf Baechle help 2420d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2421d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2422d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2423d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2424d8cb4e11SRalf Baechle disabled. 2425d8cb4e11SRalf Baechle 2426d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2427d8cb4e11SRalf Baechle bool 2428d8cb4e11SRalf Baechle 2429c80d79d7SYasunori Gotoconfig NODES_SHIFT 2430c80d79d7SYasunori Goto int 2431c80d79d7SYasunori Goto default "6" 2432c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2433c80d79d7SYasunori Goto 243414f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 243514f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2436f14ceff7SHuacai Chen depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 243714f70012SDeng-Cheng Zhu default y 243814f70012SDeng-Cheng Zhu help 243914f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 244014f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 244114f70012SDeng-Cheng Zhu 2442b4819b59SYoichi Yuasasource "mm/Kconfig" 2443b4819b59SYoichi Yuasa 24441da177e4SLinus Torvaldsconfig SMP 24451da177e4SLinus Torvalds bool "Multi-Processing support" 2446e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2447e73ea273SRalf Baechle help 24481da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 24494a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 24504a474157SRobert Graffham than one CPU, say Y. 24511da177e4SLinus Torvalds 24524a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 24531da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 24541da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 24554a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 24561da177e4SLinus Torvalds will run faster if you say N here. 24571da177e4SLinus Torvalds 24581da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 24591da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 24601da177e4SLinus Torvalds 246103502faaSAdrian Bunk See also the SMP-HOWTO available at 246203502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 24631da177e4SLinus Torvalds 24641da177e4SLinus Torvalds If you don't know what to do here, say N. 24651da177e4SLinus Torvalds 246687353d8aSRalf Baechleconfig SMP_UP 246787353d8aSRalf Baechle bool 246887353d8aSRalf Baechle 24694a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 24704a16ff4cSRalf Baechle bool 24714a16ff4cSRalf Baechle 24720ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 24730ee958e1SPaul Burton bool 24740ee958e1SPaul Burton 2475e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2476e73ea273SRalf Baechle bool 2477e73ea273SRalf Baechle 2478130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2479130e2fb7SRalf Baechle bool 2480130e2fb7SRalf Baechle 2481130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2482130e2fb7SRalf Baechle bool 2483130e2fb7SRalf Baechle 2484130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2485130e2fb7SRalf Baechle bool 2486130e2fb7SRalf Baechle 2487130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2488130e2fb7SRalf Baechle bool 2489130e2fb7SRalf Baechle 2490130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2491130e2fb7SRalf Baechle bool 2492130e2fb7SRalf Baechle 24931da177e4SLinus Torvaldsconfig NR_CPUS 2494a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2495a91796a9SJayachandran C range 2 256 24961da177e4SLinus Torvalds depends on SMP 2497130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2498130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2499130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2500130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2501130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 25021da177e4SLinus Torvalds help 25031da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 25041da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 25051da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 250672ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 250772ede9b1SAtsushi Nemoto and 2 for all others. 25081da177e4SLinus Torvalds 25091da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 251072ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 251172ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 251272ede9b1SAtsushi Nemoto power of two. 25131da177e4SLinus Torvalds 2514399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2515399aaa25SAl Cooper bool 2516399aaa25SAl Cooper 25171723b4a3SAtsushi Nemoto# 25181723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 25191723b4a3SAtsushi Nemoto# 25201723b4a3SAtsushi Nemoto 25211723b4a3SAtsushi Nemotochoice 25221723b4a3SAtsushi Nemoto prompt "Timer frequency" 25231723b4a3SAtsushi Nemoto default HZ_250 25241723b4a3SAtsushi Nemoto help 25251723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 25261723b4a3SAtsushi Nemoto 25271723b4a3SAtsushi Nemoto config HZ_48 25280f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 25291723b4a3SAtsushi Nemoto 25301723b4a3SAtsushi Nemoto config HZ_100 25311723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 25321723b4a3SAtsushi Nemoto 25331723b4a3SAtsushi Nemoto config HZ_128 25341723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 25351723b4a3SAtsushi Nemoto 25361723b4a3SAtsushi Nemoto config HZ_250 25371723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 25381723b4a3SAtsushi Nemoto 25391723b4a3SAtsushi Nemoto config HZ_256 25401723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 25411723b4a3SAtsushi Nemoto 25421723b4a3SAtsushi Nemoto config HZ_1000 25431723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 25441723b4a3SAtsushi Nemoto 25451723b4a3SAtsushi Nemoto config HZ_1024 25461723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 25471723b4a3SAtsushi Nemoto 25481723b4a3SAtsushi Nemotoendchoice 25491723b4a3SAtsushi Nemoto 25501723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 25511723b4a3SAtsushi Nemoto bool 25521723b4a3SAtsushi Nemoto 25531723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 25541723b4a3SAtsushi Nemoto bool 25551723b4a3SAtsushi Nemoto 25561723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 25571723b4a3SAtsushi Nemoto bool 25581723b4a3SAtsushi Nemoto 25591723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 25601723b4a3SAtsushi Nemoto bool 25611723b4a3SAtsushi Nemoto 25621723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 25631723b4a3SAtsushi Nemoto bool 25641723b4a3SAtsushi Nemoto 25651723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 25661723b4a3SAtsushi Nemoto bool 25671723b4a3SAtsushi Nemoto 25681723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 25691723b4a3SAtsushi Nemoto bool 25701723b4a3SAtsushi Nemoto 25711723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 25721723b4a3SAtsushi Nemoto bool 25731723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 25741723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 25751723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 25761723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 25771723b4a3SAtsushi Nemoto 25781723b4a3SAtsushi Nemotoconfig HZ 25791723b4a3SAtsushi Nemoto int 25801723b4a3SAtsushi Nemoto default 48 if HZ_48 25811723b4a3SAtsushi Nemoto default 100 if HZ_100 25821723b4a3SAtsushi Nemoto default 128 if HZ_128 25831723b4a3SAtsushi Nemoto default 250 if HZ_250 25841723b4a3SAtsushi Nemoto default 256 if HZ_256 25851723b4a3SAtsushi Nemoto default 1000 if HZ_1000 25861723b4a3SAtsushi Nemoto default 1024 if HZ_1024 25871723b4a3SAtsushi Nemoto 258896685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 258996685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 259096685b17SDeng-Cheng Zhu 2591e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 25921da177e4SLinus Torvalds 2593ea6e942bSAtsushi Nemotoconfig KEXEC 25947d60717eSKees Cook bool "Kexec system call" 2595ea6e942bSAtsushi Nemoto help 2596ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2597ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 25983dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2599ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2600ea6e942bSAtsushi Nemoto 260101dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2602ea6e942bSAtsushi Nemoto 2603ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2604ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2605bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2606bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2607bf220695SGeert Uytterhoeven made. 2608ea6e942bSAtsushi Nemoto 26097aa1c8f4SRalf Baechleconfig CRASH_DUMP 26107aa1c8f4SRalf Baechle bool "Kernel crash dumps" 26117aa1c8f4SRalf Baechle help 26127aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 26137aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 26147aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 26157aa1c8f4SRalf Baechle a specially reserved region and then later executed after 26167aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 26177aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 26187aa1c8f4SRalf Baechle PHYSICAL_START. 26197aa1c8f4SRalf Baechle 26207aa1c8f4SRalf Baechleconfig PHYSICAL_START 26217aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 26227aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 26237aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 26247aa1c8f4SRalf Baechle depends on CRASH_DUMP 26257aa1c8f4SRalf Baechle help 26267aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 26277aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 26287aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 26297aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 26307aa1c8f4SRalf Baechle passed to the panic-ed kernel). 26317aa1c8f4SRalf Baechle 2632ea6e942bSAtsushi Nemotoconfig SECCOMP 2633ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2634293c5bd1SRalf Baechle depends on PROC_FS 2635ea6e942bSAtsushi Nemoto default y 2636ea6e942bSAtsushi Nemoto help 2637ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2638ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2639ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2640ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2641ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2642ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2643ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2644ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2645ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2646ea6e942bSAtsushi Nemoto 2647ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2648ea6e942bSAtsushi Nemoto 2649597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 265006e2e882SPaul Burton bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" 2651597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2652597ce172SPaul Burton help 2653597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2654597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2655597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2656597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2657597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2658597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2659597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2660597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2661597ce172SPaul Burton saying N here. 2662597ce172SPaul Burton 266306e2e882SPaul Burton Although binutils currently supports use of this flag the details 266406e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 266506e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 266606e2e882SPaul Burton behaviour before the details have been finalised, this option should 266706e2e882SPaul Burton be considered experimental and only enabled by those working upon 266806e2e882SPaul Burton said details. 266906e2e882SPaul Burton 267006e2e882SPaul Burton If unsure, say N. 2671597ce172SPaul Burton 2672f2ffa5abSDezhong Diaoconfig USE_OF 26730b3e06fdSJonas Gorski bool 2674f2ffa5abSDezhong Diao select OF 2675e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2676abd2363fSGrant Likely select IRQ_DOMAIN 2677f2ffa5abSDezhong Diao 26787fafb068SAndrew Brestickerconfig BUILTIN_DTB 26797fafb068SAndrew Bresticker bool 26807fafb068SAndrew Bresticker 26811da8f179SJonas Gorskichoice 26821da8f179SJonas Gorski prompt "Kernel appended dtb support" if OF 26831da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 26841da8f179SJonas Gorski 26851da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 26861da8f179SJonas Gorski bool "None" 26871da8f179SJonas Gorski help 26881da8f179SJonas Gorski Do not enable appended dtb support. 26891da8f179SJonas Gorski 26901da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 26911da8f179SJonas Gorski bool "vmlinux.bin" 26921da8f179SJonas Gorski help 26931da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 26941da8f179SJonas Gorski DTB) appended to raw vmlinux.bin (without decompressor). 26951da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 26961da8f179SJonas Gorski 26971da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 26981da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 26991da8f179SJonas Gorski the documented boot protocol using a device tree. 27001da8f179SJonas Gorski 27011da8f179SJonas Gorski Beware that there is very little in terms of protection against 27021da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 27031da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 27041da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 27051da8f179SJonas Gorski if you don't intend to always append a DTB. 2706c0b4e101SJonas Gorski 2707c0b4e101SJonas Gorski config MIPS_ZBOOT_APPENDED_DTB 2708c0b4e101SJonas Gorski bool "vmlinuz.bin" 2709c0b4e101SJonas Gorski depends on SYS_SUPPORTS_ZBOOT 2710c0b4e101SJonas Gorski help 2711c0b4e101SJonas Gorski With this option, the boot code will look for a device tree binary 2712c0b4e101SJonas Gorski DTB) appended to raw vmlinuz.bin (with decompressor). 2713c0b4e101SJonas Gorski (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb). 2714c0b4e101SJonas Gorski 2715c0b4e101SJonas Gorski This is meant as a backward compatibility convenience for those 2716c0b4e101SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 2717c0b4e101SJonas Gorski the documented boot protocol using a device tree. 2718c0b4e101SJonas Gorski 2719c0b4e101SJonas Gorski Beware that there is very little in terms of protection against 2720c0b4e101SJonas Gorski this option being confused by leftover garbage in memory that might 2721c0b4e101SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 2722c0b4e101SJonas Gorski to vmlinuz.bin. Do not leave this option active in a production kernel 2723c0b4e101SJonas Gorski if you don't intend to always append a DTB. 27241da8f179SJonas Gorskiendchoice 27251da8f179SJonas Gorski 27265e83d430SRalf Baechleendmenu 27275e83d430SRalf Baechle 27281df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 27291df0f0ffSAtsushi Nemoto bool 27301df0f0ffSAtsushi Nemoto default y 27311df0f0ffSAtsushi Nemoto 27321df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 27331df0f0ffSAtsushi Nemoto bool 27341df0f0ffSAtsushi Nemoto default y 27351df0f0ffSAtsushi Nemoto 2736a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2737a728ab52SKirill A. Shutemov int 2738a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2739a728ab52SKirill A. Shutemov default 2 2740a728ab52SKirill A. Shutemov 2741b6c3539bSRalf Baechlesource "init/Kconfig" 2742b6c3539bSRalf Baechle 2743dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2744dc52ddc0SMatt Helsley 27451da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 27461da177e4SLinus Torvalds 27475e83d430SRalf Baechleconfig HW_HAS_EISA 27485e83d430SRalf Baechle bool 27491da177e4SLinus Torvaldsconfig HW_HAS_PCI 27501da177e4SLinus Torvalds bool 27511da177e4SLinus Torvalds 27521da177e4SLinus Torvaldsconfig PCI 27531da177e4SLinus Torvalds bool "Support for PCI controller" 27541da177e4SLinus Torvalds depends on HW_HAS_PCI 2755abb4ae46SRalf Baechle select PCI_DOMAINS 27560f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 27571da177e4SLinus Torvalds help 27581da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 27591da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 27601da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 27611da177e4SLinus Torvalds say Y, otherwise N. 27621da177e4SLinus Torvalds 27630e476d91SHuacai Chenconfig HT_PCI 27640e476d91SHuacai Chen bool "Support for HT-linked PCI" 27650e476d91SHuacai Chen default y 27660e476d91SHuacai Chen depends on CPU_LOONGSON3 27670e476d91SHuacai Chen select PCI 27680e476d91SHuacai Chen select PCI_DOMAINS 27690e476d91SHuacai Chen help 27700e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 27710e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 27720e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 27730e476d91SHuacai Chen 27741da177e4SLinus Torvaldsconfig PCI_DOMAINS 27751da177e4SLinus Torvalds bool 27761da177e4SLinus Torvalds 27771da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 27781da177e4SLinus Torvalds 27793f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 27803f787ca4SJonas Gorski 27811da177e4SLinus Torvalds# 27821da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 27831da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 27841da177e4SLinus Torvalds# users to choose the right thing ... 27851da177e4SLinus Torvalds# 27861da177e4SLinus Torvaldsconfig ISA 27871da177e4SLinus Torvalds bool 27881da177e4SLinus Torvalds 27891da177e4SLinus Torvaldsconfig EISA 27901da177e4SLinus Torvalds bool "EISA support" 27915e83d430SRalf Baechle depends on HW_HAS_EISA 27921da177e4SLinus Torvalds select ISA 2793aa414dffSRalf Baechle select GENERIC_ISA_DMA 27941da177e4SLinus Torvalds ---help--- 27951da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 27961da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 27971da177e4SLinus Torvalds 27981da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 27991da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 28001da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 28011da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 28021da177e4SLinus Torvalds 28031da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 28041da177e4SLinus Torvalds 28051da177e4SLinus Torvalds Otherwise, say N. 28061da177e4SLinus Torvalds 28071da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 28081da177e4SLinus Torvalds 28091da177e4SLinus Torvaldsconfig TC 28101da177e4SLinus Torvalds bool "TURBOchannel support" 28111da177e4SLinus Torvalds depends on MACH_DECSTATION 28121da177e4SLinus Torvalds help 281350a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 281450a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 281550a23e6eSJustin P. Mattock at: 281650a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 281750a23e6eSJustin P. Mattock and: 281850a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 281950a23e6eSJustin P. Mattock Linux driver support status is documented at: 282050a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 28211da177e4SLinus Torvalds 28221da177e4SLinus Torvaldsconfig MMU 28231da177e4SLinus Torvalds bool 28241da177e4SLinus Torvalds default y 28251da177e4SLinus Torvalds 2826d865bea4SRalf Baechleconfig I8253 2827d865bea4SRalf Baechle bool 2828798778b8SRussell King select CLKSRC_I8253 28292d02612fSThomas Gleixner select CLKEVT_I8253 28309726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2831d865bea4SRalf Baechle 2832e05eb3f8SRalf Baechleconfig ZONE_DMA 2833e05eb3f8SRalf Baechle bool 2834e05eb3f8SRalf Baechle 2835cce335aeSRalf Baechleconfig ZONE_DMA32 2836cce335aeSRalf Baechle bool 2837cce335aeSRalf Baechle 28381da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 28391da177e4SLinus Torvalds 28401da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 28411da177e4SLinus Torvalds 2842388b78adSAlexandre Bounineconfig RAPIDIO 284356abde72SAlexandre Bounine tristate "RapidIO support" 2844388b78adSAlexandre Bounine depends on PCI 2845388b78adSAlexandre Bounine default n 2846388b78adSAlexandre Bounine help 2847388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2848388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2849388b78adSAlexandre Bounine 2850388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2851388b78adSAlexandre Bounine 28521da177e4SLinus Torvaldsendmenu 28531da177e4SLinus Torvalds 28541da177e4SLinus Torvaldsmenu "Executable file formats" 28551da177e4SLinus Torvalds 28561da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 28571da177e4SLinus Torvalds 28581da177e4SLinus Torvaldsconfig TRAD_SIGNALS 28591da177e4SLinus Torvalds bool 28601da177e4SLinus Torvalds 28611da177e4SLinus Torvaldsconfig MIPS32_COMPAT 286278aaf956SRalf Baechle bool 28631da177e4SLinus Torvalds 28641da177e4SLinus Torvaldsconfig COMPAT 28651da177e4SLinus Torvalds bool 28661da177e4SLinus Torvalds 286705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 286805e43966SAtsushi Nemoto bool 286905e43966SAtsushi Nemoto 28701da177e4SLinus Torvaldsconfig MIPS32_O32 28711da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 287278aaf956SRalf Baechle depends on 64BIT 287378aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 287478aaf956SRalf Baechle select COMPAT 287578aaf956SRalf Baechle select MIPS32_COMPAT 287678aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 28771da177e4SLinus Torvalds help 28781da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 28791da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 28801da177e4SLinus Torvalds existing binaries are in this format. 28811da177e4SLinus Torvalds 28821da177e4SLinus Torvalds If unsure, say Y. 28831da177e4SLinus Torvalds 28841da177e4SLinus Torvaldsconfig MIPS32_N32 28851da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 2886c22eacfeSRalf Baechle depends on 64BIT 288778aaf956SRalf Baechle select COMPAT 288878aaf956SRalf Baechle select MIPS32_COMPAT 288978aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 28901da177e4SLinus Torvalds help 28911da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 28921da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 28931da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 28941da177e4SLinus Torvalds cases. 28951da177e4SLinus Torvalds 28961da177e4SLinus Torvalds If unsure, say N. 28971da177e4SLinus Torvalds 28981da177e4SLinus Torvaldsconfig BINFMT_ELF32 28991da177e4SLinus Torvalds bool 29001da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 29011da177e4SLinus Torvalds 29022116245eSRalf Baechleendmenu 29031da177e4SLinus Torvalds 29042116245eSRalf Baechlemenu "Power management options" 2905952fa954SRodolfo Giometti 2906363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2907363c55caSWu Zhangjin def_bool y 29083f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2909363c55caSWu Zhangjin 2910f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2911f4cb5700SJohannes Berg def_bool y 29123f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2913f4cb5700SJohannes Berg 29142116245eSRalf Baechlesource "kernel/power/Kconfig" 2915952fa954SRodolfo Giometti 29161da177e4SLinus Torvaldsendmenu 29171da177e4SLinus Torvalds 29187a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 29197a998935SViresh Kumar bool 29207a998935SViresh Kumar 29217a998935SViresh Kumarmenu "CPU Power Management" 2922c095ebafSPaul Burton 2923c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 29247a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 29257a998935SViresh Kumarendif 29269726b43aSWu Zhangjin 2927c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2928c095ebafSPaul Burton 2929c095ebafSPaul Burtonendmenu 2930c095ebafSPaul Burton 2931d5950b43SSam Ravnborgsource "net/Kconfig" 2932d5950b43SSam Ravnborg 29331da177e4SLinus Torvaldssource "drivers/Kconfig" 29341da177e4SLinus Torvalds 293598cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 293698cdee0eSRalf Baechle 29371da177e4SLinus Torvaldssource "fs/Kconfig" 29381da177e4SLinus Torvalds 29391da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 29401da177e4SLinus Torvalds 29411da177e4SLinus Torvaldssource "security/Kconfig" 29421da177e4SLinus Torvalds 29431da177e4SLinus Torvaldssource "crypto/Kconfig" 29441da177e4SLinus Torvalds 29451da177e4SLinus Torvaldssource "lib/Kconfig" 29462235a54dSSanjay Lal 29472235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2948