11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 440e084a5SRalf Baechle select ARCH_SUPPORTS_UPROBES 5a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 6393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 75fac4f7aSPaul Burton select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 81ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 9c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 10f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 11ec7748b5SSam Ravnborg select HAVE_IDE 1242d4b839SMathieu Desnoyers select HAVE_OPROFILE 137f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 147f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1588547001SJason Wessel select HAVE_ARCH_KGDB 16490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 17c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 183f5fdb4bSMarkos Chandras select HAVE_BPF_JIT if !CPU_MICROMIPS 19d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 20538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 21538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2264575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2329c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 24c1bf207dSDavid Daney select HAVE_KPROBES 25c1bf207dSDavid Daney select HAVE_KRETPROBES 26fb59e394SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 27b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 281d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 292b68f6caSKees Cook select ARCH_HAS_ELF_RANDOMIZE 30383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 3130ad29bbSHuacai Chen select RTC_LIB if !MACH_LOONGSON64 322b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 337463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 3448e1fd5aSDavid Daney select HAVE_DMA_ATTRS 35f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3648e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 373bd27e32SDavid Daney select GENERIC_IRQ_PROBE 38f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 3978857614SMarkos Chandras select GENERIC_PCI_IOMAP 4094bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 41c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 420f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 439d15ffc8STejun Heo select HAVE_MEMBLOCK 449d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 459d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 46360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 474b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 48cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 49929de4ccSDeng-Cheng Zhu select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 50cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 51786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 524febd95aSStephen Rothwell select VIRT_TO_BUS 532f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 542f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5550150d2bSAl Viro select CLONE_BACKWARDS 56d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5719952a92SKees Cook select HAVE_CC_STACKPROTECTOR 58b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 59cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 6090cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 61d79d853dSMarkos Chandras select SYSCTL_EXCEPTION_TRACE 62bb877e96SDeng-Cheng Zhu select HAVE_VIRT_CPU_ACCOUNTING_GEN 63ec9ddad3SDeng-Cheng Zhu select HAVE_IRQ_TIME_ACCOUNTING 641da177e4SLinus Torvalds 651da177e4SLinus Torvaldsmenu "Machine selection" 661da177e4SLinus Torvalds 675e83d430SRalf Baechlechoice 685e83d430SRalf Baechle prompt "System type" 695e83d430SRalf Baechle default SGI_IP22 701da177e4SLinus Torvalds 7142a4f17dSManuel Laussconfig MIPS_ALCHEMY 72c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 7334adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 74f772cdb2SRalf Baechle select CEVT_R4K 75d7ea335cSSteven J. Hill select CSRC_R4K 7667e38cf2SRalf Baechle select IRQ_MIPS_CPU 7788e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 7842a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 7942a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 8042a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 81efb12436SAlexandre Courbot select ARCH_REQUIRE_GPIOLIB 821b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 8347440229SManuel Lauss select COMMON_CLK 841da177e4SLinus Torvalds 857ca5dc14SFlorian Fainelliconfig AR7 867ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 877ca5dc14SFlorian Fainelli select BOOT_ELF32 887ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 897ca5dc14SFlorian Fainelli select CEVT_R4K 907ca5dc14SFlorian Fainelli select CSRC_R4K 9167e38cf2SRalf Baechle select IRQ_MIPS_CPU 927ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 937ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 947ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 957ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 967ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 977ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 98377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 991b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 1005f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 1017ca5dc14SFlorian Fainelli select VLYNQ 1028551fb64SYoichi Yuasa select HAVE_CLK 1037ca5dc14SFlorian Fainelli help 1047ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1057ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1067ca5dc14SFlorian Fainelli 10743cc739fSSergey Ryazanovconfig ATH25 10843cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 10943cc739fSSergey Ryazanov select CEVT_R4K 11043cc739fSSergey Ryazanov select CSRC_R4K 11143cc739fSSergey Ryazanov select DMA_NONCOHERENT 11267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1131753e74eSSergey Ryazanov select IRQ_DOMAIN 11443cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 11543cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 11643cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1178aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 11843cc739fSSergey Ryazanov help 11943cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 12043cc739fSSergey Ryazanov 121d4a67d9dSGabor Juhosconfig ATH79 122d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 123ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 1246eae43c5SGabor Juhos select ARCH_REQUIRE_GPIOLIB 125d4a67d9dSGabor Juhos select BOOT_RAW 126d4a67d9dSGabor Juhos select CEVT_R4K 127d4a67d9dSGabor Juhos select CSRC_R4K 128d4a67d9dSGabor Juhos select DMA_NONCOHERENT 12994638067SGabor Juhos select HAVE_CLK 130411520afSAlban Bedel select COMMON_CLK 1312c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 13267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1330aabf1a4SGabor Juhos select MIPS_MACHINE 134d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 135d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 136d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 137d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 138377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 139da628e8bSAlban Bedel select SYS_SUPPORTS_ZBOOT 14003c8c407SAlban Bedel select USE_OF 141d4a67d9dSGabor Juhos help 142d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 143d4a67d9dSGabor Juhos 1445f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 1455f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 146d666cd02SKevin Cernekee select BOOT_RAW 147d666cd02SKevin Cernekee select NO_EXCEPT_FILL 148d666cd02SKevin Cernekee select USE_OF 149d666cd02SKevin Cernekee select CEVT_R4K 150d666cd02SKevin Cernekee select CSRC_R4K 151d666cd02SKevin Cernekee select SYNC_R4K 152d666cd02SKevin Cernekee select COMMON_CLK 15360b858f2SKevin Cernekee select BCM7038_L1_IRQ 15460b858f2SKevin Cernekee select BCM7120_L2_IRQ 15560b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 15667e38cf2SRalf Baechle select IRQ_MIPS_CPU 15760b858f2SKevin Cernekee select DMA_NONCOHERENT 158d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 15960b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 160d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 161d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 16260b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 16360b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 16460b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 165d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 166d666cd02SKevin Cernekee select SWAP_IO_SPACE 16760b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 16860b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 16960b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 17060b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 171d666cd02SKevin Cernekee help 1725f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 1735f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 1745f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 1755f2d4459SKevin Cernekee must be set appropriately for your board. 176d666cd02SKevin Cernekee 1771c0c13ebSAurelien Jarnoconfig BCM47XX 178c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 1792da4c74dSHauke Mehrtens select ARCH_WANT_OPTIONAL_GPIOLIB 180fe08f8c2SHauke Mehrtens select BOOT_RAW 18142f77542SRalf Baechle select CEVT_R4K 182940f6b48SRalf Baechle select CSRC_R4K 1831c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1841c0c13ebSAurelien Jarno select HW_HAS_PCI 18567e38cf2SRalf Baechle select IRQ_MIPS_CPU 186314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 187dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1881c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1891c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 190377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 19125e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 192e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 193c949c0bcSRafał Miłecki select GPIOLIB 194c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 195f6e734a8SRafał Miłecki select BCM47XX_NVRAM 1961c0c13ebSAurelien Jarno help 1971c0c13ebSAurelien Jarno Support for BCM47XX based boards 1981c0c13ebSAurelien Jarno 199e7300d04SMaxime Bizonconfig BCM63XX 200e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 201ae8de61cSFlorian Fainelli select BOOT_RAW 202e7300d04SMaxime Bizon select CEVT_R4K 203e7300d04SMaxime Bizon select CSRC_R4K 204fc264022SJonas Gorski select SYNC_R4K 205e7300d04SMaxime Bizon select DMA_NONCOHERENT 20667e38cf2SRalf Baechle select IRQ_MIPS_CPU 207e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 208e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 209e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 210e7300d04SMaxime Bizon select SWAP_IO_SPACE 211e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 2123e82eeebSYoichi Yuasa select HAVE_CLK 213af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 214e7300d04SMaxime Bizon help 215e7300d04SMaxime Bizon Support for BCM63XX based boards 216e7300d04SMaxime Bizon 2171da177e4SLinus Torvaldsconfig MIPS_COBALT 2183fa986faSMartin Michlmayr bool "Cobalt Server" 21942f77542SRalf Baechle select CEVT_R4K 220940f6b48SRalf Baechle select CSRC_R4K 2211097c6acSYoichi Yuasa select CEVT_GT641XX 2221da177e4SLinus Torvalds select DMA_NONCOHERENT 2231da177e4SLinus Torvalds select HW_HAS_PCI 224d865bea4SRalf Baechle select I8253 2251da177e4SLinus Torvalds select I8259 22667e38cf2SRalf Baechle select IRQ_MIPS_CPU 227d5ab1a69SYoichi Yuasa select IRQ_GT641XX 228252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 229e25bfc92SYoichi Yuasa select PCI 2307cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2310a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 232ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2330e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2345e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 235e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2361da177e4SLinus Torvalds 2371da177e4SLinus Torvaldsconfig MACH_DECSTATION 2383fa986faSMartin Michlmayr bool "DECstations" 2391da177e4SLinus Torvalds select BOOT_ELF32 2406457d9fcSYoichi Yuasa select CEVT_DS1287 24181d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2424247417dSYoichi Yuasa select CSRC_IOASIC 24381d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 24420d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 24520d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 24620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 2471da177e4SLinus Torvalds select DMA_NONCOHERENT 248ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 24967e38cf2SRalf Baechle select IRQ_MIPS_CPU 2507cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 2517cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 252ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2537d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2545e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2551723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 2561723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 2571723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 258930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2595e83d430SRalf Baechle help 2601da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2611da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2621da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2651da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2661da177e4SLinus Torvalds 2671da177e4SLinus Torvalds DECstation 5000/50 2681da177e4SLinus Torvalds DECstation 5000/150 2691da177e4SLinus Torvalds DECstation 5000/260 2701da177e4SLinus Torvalds DECsystem 5900/260 2711da177e4SLinus Torvalds 2721da177e4SLinus Torvalds otherwise choose R3000. 2731da177e4SLinus Torvalds 2745e83d430SRalf Baechleconfig MACH_JAZZ 2753fa986faSMartin Michlmayr bool "Jazz family of machines" 2760e2794b0SRalf Baechle select FW_ARC 2770e2794b0SRalf Baechle select FW_ARC32 2785e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 27942f77542SRalf Baechle select CEVT_R4K 280940f6b48SRalf Baechle select CSRC_R4K 281e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2825e83d430SRalf Baechle select GENERIC_ISA_DMA 2838a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 28467e38cf2SRalf Baechle select IRQ_MIPS_CPU 285d865bea4SRalf Baechle select I8253 2865e83d430SRalf Baechle select I8259 2875e83d430SRalf Baechle select ISA 2887cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2895e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2907d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2911723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2921da177e4SLinus Torvalds help 2935e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2945e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 295692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 2965e83d430SRalf Baechle Olivetti M700-10 workstations. 2975e83d430SRalf Baechle 298de361e8bSPaul Burtonconfig MACH_INGENIC 299de361e8bSPaul Burton bool "Ingenic SoC based machines" 3005ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3015ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 302f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3035ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 30467e38cf2SRalf Baechle select IRQ_MIPS_CPU 3055ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 306ff1930c6SPaul Burton select COMMON_CLK 30783bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 308ffb1843dSPaul Burton select BUILTIN_DTB 309ffb1843dSPaul Burton select USE_OF 3106ec127fbSPaul Burton select LIBFDT 3115ebabe59SLars-Peter Clausen 312171bb2f1SJohn Crispinconfig LANTIQ 313171bb2f1SJohn Crispin bool "Lantiq based platforms" 314171bb2f1SJohn Crispin select DMA_NONCOHERENT 31567e38cf2SRalf Baechle select IRQ_MIPS_CPU 316171bb2f1SJohn Crispin select CEVT_R4K 317171bb2f1SJohn Crispin select CSRC_R4K 318171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 319171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 320171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 321171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 322377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 323171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 324171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 325171bb2f1SJohn Crispin select ARCH_REQUIRE_GPIOLIB 326171bb2f1SJohn Crispin select SWAP_IO_SPACE 327171bb2f1SJohn Crispin select BOOT_RAW 328287e3f3fSJohn Crispin select HAVE_MACH_CLKDEV 329287e3f3fSJohn Crispin select CLKDEV_LOOKUP 330a0392222SJohn Crispin select USE_OF 3313f8c50c9SJohn Crispin select PINCTRL 3323f8c50c9SJohn Crispin select PINCTRL_LANTIQ 333c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 334c530781cSJohn Crispin select RESET_CONTROLLER 335171bb2f1SJohn Crispin 3361f21d2bdSBrian Murphyconfig LASAT 3371f21d2bdSBrian Murphy bool "LASAT Networks platforms" 33842f77542SRalf Baechle select CEVT_R4K 33916f0bbbcSRalf Baechle select CRC32 340940f6b48SRalf Baechle select CSRC_R4K 3411f21d2bdSBrian Murphy select DMA_NONCOHERENT 3421f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3431f21d2bdSBrian Murphy select HW_HAS_PCI 34467e38cf2SRalf Baechle select IRQ_MIPS_CPU 3451f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 3461f21d2bdSBrian Murphy select MIPS_NILE4 3471f21d2bdSBrian Murphy select R5000_CPU_SCACHE 3481f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 3491f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 3501f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 3511f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 3521f21d2bdSBrian Murphy 35330ad29bbSHuacai Chenconfig MACH_LOONGSON32 35430ad29bbSHuacai Chen bool "Loongson-1 family of machines" 355c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 356ade299d8SYoichi Yuasa help 35730ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 35885749d24SWu Zhangjin 35930ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 36030ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 36130ad29bbSHuacai Chen Sciences (CAS). 362ade299d8SYoichi Yuasa 36330ad29bbSHuacai Chenconfig MACH_LOONGSON64 36430ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 365ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 366ca585cf9SKelvin Cheung help 36730ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 368ca585cf9SKelvin Cheung 36930ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 37030ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 37130ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 37230ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 37330ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 37430ad29bbSHuacai Chen Weiwu Hu. 375ca585cf9SKelvin Cheung 3766a438309SAndrew Brestickerconfig MACH_PISTACHIO 3776a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 3786a438309SAndrew Bresticker select ARCH_REQUIRE_GPIOLIB 3796a438309SAndrew Bresticker select BOOT_ELF32 3806a438309SAndrew Bresticker select BOOT_RAW 3816a438309SAndrew Bresticker select CEVT_R4K 3826a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 3836a438309SAndrew Bresticker select COMMON_CLK 3846a438309SAndrew Bresticker select CSRC_R4K 3856a438309SAndrew Bresticker select DMA_MAYBE_COHERENT 38667e38cf2SRalf Baechle select IRQ_MIPS_CPU 3876a438309SAndrew Bresticker select LIBFDT 3886a438309SAndrew Bresticker select MFD_SYSCON 3896a438309SAndrew Bresticker select MIPS_CPU_SCACHE 3906a438309SAndrew Bresticker select MIPS_GIC 3916a438309SAndrew Bresticker select PINCTRL 3926a438309SAndrew Bresticker select REGULATOR 3936a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 3946a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 3956a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 3966a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 3976a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 3986a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 399018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 400018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4016a438309SAndrew Bresticker select USE_OF 4026a438309SAndrew Bresticker help 4036a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4046a438309SAndrew Bresticker 4051da177e4SLinus Torvaldsconfig MIPS_MALTA 4063fa986faSMartin Michlmayr bool "MIPS Malta board" 40761ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 4081da177e4SLinus Torvalds select BOOT_ELF32 409fa71c960SRalf Baechle select BOOT_RAW 410e8823d26SPaul Burton select BUILTIN_DTB 41142f77542SRalf Baechle select CEVT_R4K 412940f6b48SRalf Baechle select CSRC_R4K 413fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 41442b002abSGuenter Roeck select COMMON_CLK 415885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 4161da177e4SLinus Torvalds select GENERIC_ISA_DMA 4178a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 41867e38cf2SRalf Baechle select IRQ_MIPS_CPU 4198a19b8f1SAndrew Bresticker select MIPS_GIC 4201da177e4SLinus Torvalds select HW_HAS_PCI 421d865bea4SRalf Baechle select I8253 4221da177e4SLinus Torvalds select I8259 4235e83d430SRalf Baechle select MIPS_BONITO64 4249318c51aSChris Dearman select MIPS_CPU_SCACHE 425a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 426252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 4275e83d430SRalf Baechle select MIPS_MSC 428*ecafe3e9SPaul Burton select SMP_UP if SMP 4291da177e4SLinus Torvalds select SWAP_IO_SPACE 4307cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 4317cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 432bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 433c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 434575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 4357cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 4365d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 437575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 4387cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 4397cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 440ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 441ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4425e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 443c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 4445e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 445424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 4460365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 447e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 448377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 449f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 4509693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 4511b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 452e8823d26SPaul Burton select USE_OF 453abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 454e81a8c7dSPaul Burton select BUILTIN_DTB 455e81a8c7dSPaul Burton select LIBFDT 4561da177e4SLinus Torvalds help 457f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 4581da177e4SLinus Torvalds board. 4591da177e4SLinus Torvalds 460ec47b274SSteven J. Hillconfig MIPS_SEAD3 461ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 462ec47b274SSteven J. Hill select BOOT_ELF32 463ec47b274SSteven J. Hill select BOOT_RAW 464f262b5f2SAndrew Bresticker select BUILTIN_DTB 465ec47b274SSteven J. Hill select CEVT_R4K 466ec47b274SSteven J. Hill select CSRC_R4K 467fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 46842b002abSGuenter Roeck select COMMON_CLK 469ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 470ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 471ec47b274SSteven J. Hill select DMA_NONCOHERENT 47267e38cf2SRalf Baechle select IRQ_MIPS_CPU 4738a19b8f1SAndrew Bresticker select MIPS_GIC 47444327236SQais Yousef select LIBFDT 475ec47b274SSteven J. Hill select MIPS_MSC 476ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 477ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 478ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 479ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 480ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 481ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 482ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 483ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 484ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 485a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 486377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 487ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 488ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 4899b731009SSteven J. Hill select USE_OF 490ec47b274SSteven J. Hill help 491ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 492ec47b274SSteven J. Hill board. 493ec47b274SSteven J. Hill 494a83860c2SRalf Baechleconfig NEC_MARKEINS 495a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 496a83860c2SRalf Baechle select SOC_EMMA2RH 497a83860c2SRalf Baechle select HW_HAS_PCI 498a83860c2SRalf Baechle help 499a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 500ade299d8SYoichi Yuasa 5015e83d430SRalf Baechleconfig MACH_VR41XX 50274142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 50342f77542SRalf Baechle select CEVT_R4K 504940f6b48SRalf Baechle select CSRC_R4K 5057cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 506377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 50727fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 5085e83d430SRalf Baechle 509edb6310aSDaniel Lairdconfig NXP_STB220 510edb6310aSDaniel Laird bool "NXP STB220 board" 511edb6310aSDaniel Laird select SOC_PNX833X 512edb6310aSDaniel Laird help 513edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 514edb6310aSDaniel Laird 515edb6310aSDaniel Lairdconfig NXP_STB225 516edb6310aSDaniel Laird bool "NXP 225 board" 517edb6310aSDaniel Laird select SOC_PNX833X 518edb6310aSDaniel Laird select SOC_PNX8335 519edb6310aSDaniel Laird help 520edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 521edb6310aSDaniel Laird 5229267a30dSMarc St-Jeanconfig PMC_MSP 5239267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 52439d30c13SAnoop P A select CEVT_R4K 52539d30c13SAnoop P A select CSRC_R4K 5269267a30dSMarc St-Jean select DMA_NONCOHERENT 5279267a30dSMarc St-Jean select SWAP_IO_SPACE 5289267a30dSMarc St-Jean select NO_EXCEPT_FILL 5299267a30dSMarc St-Jean select BOOT_RAW 5309267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5319267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5329267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5339267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 534377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 53567e38cf2SRalf Baechle select IRQ_MIPS_CPU 5369267a30dSMarc St-Jean select SERIAL_8250 5379267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5389296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5399296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5409267a30dSMarc St-Jean help 5419267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 5429267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 5439267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 5449267a30dSMarc St-Jean a variety of MIPS cores. 5459267a30dSMarc St-Jean 546ae2b5bb6SJohn Crispinconfig RALINK 547ae2b5bb6SJohn Crispin bool "Ralink based machines" 548ae2b5bb6SJohn Crispin select CEVT_R4K 549ae2b5bb6SJohn Crispin select CSRC_R4K 550ae2b5bb6SJohn Crispin select BOOT_RAW 551ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 55267e38cf2SRalf Baechle select IRQ_MIPS_CPU 553ae2b5bb6SJohn Crispin select USE_OF 554ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 555ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 556ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 557ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 558377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 559ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 560ae2b5bb6SJohn Crispin select HAVE_MACH_CLKDEV 561ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 5622a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 5632a153f1cSJohn Crispin select RESET_CONTROLLER 564ae2b5bb6SJohn Crispin 5651da177e4SLinus Torvaldsconfig SGI_IP22 5663fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 5670e2794b0SRalf Baechle select FW_ARC 5680e2794b0SRalf Baechle select FW_ARC32 5691da177e4SLinus Torvalds select BOOT_ELF32 57042f77542SRalf Baechle select CEVT_R4K 571940f6b48SRalf Baechle select CSRC_R4K 572e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 5731da177e4SLinus Torvalds select DMA_NONCOHERENT 5745e83d430SRalf Baechle select HW_HAS_EISA 575d865bea4SRalf Baechle select I8253 57668de4803SThomas Bogendoerfer select I8259 5771da177e4SLinus Torvalds select IP22_CPU_SCACHE 57867e38cf2SRalf Baechle select IRQ_MIPS_CPU 579aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 580e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 581e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 58236e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 583e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 584e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 585e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 5861da177e4SLinus Torvalds select SWAP_IO_SPACE 5877cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5887cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 5892b5e63f6SMartin Michlmayr # 5902b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5912b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5922b5e63f6SMartin Michlmayr # 5932b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5942b5e63f6SMartin Michlmayr # for a more details discussion 5952b5e63f6SMartin Michlmayr # 5962b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 597ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 598ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5995e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 600930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6011da177e4SLinus Torvalds help 6021da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6031da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6041da177e4SLinus Torvalds that runs on these, say Y here. 6051da177e4SLinus Torvalds 6061da177e4SLinus Torvaldsconfig SGI_IP27 6073fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6080e2794b0SRalf Baechle select FW_ARC 6090e2794b0SRalf Baechle select FW_ARC64 6105e83d430SRalf Baechle select BOOT_ELF64 611e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 612634286f1SRalf Baechle select DMA_COHERENT 61336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6141da177e4SLinus Torvalds select HW_HAS_PCI 615130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6167cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 617ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6185e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 619d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6201a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 621930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6221da177e4SLinus Torvalds help 6231da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6241da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6251da177e4SLinus Torvalds here. 6261da177e4SLinus Torvalds 627e2defae5SThomas Bogendoerferconfig SGI_IP28 6287d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6290e2794b0SRalf Baechle select FW_ARC 6300e2794b0SRalf Baechle select FW_ARC64 631e2defae5SThomas Bogendoerfer select BOOT_ELF64 632e2defae5SThomas Bogendoerfer select CEVT_R4K 633e2defae5SThomas Bogendoerfer select CSRC_R4K 634e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 635e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 636e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 63767e38cf2SRalf Baechle select IRQ_MIPS_CPU 638e2defae5SThomas Bogendoerfer select HW_HAS_EISA 639e2defae5SThomas Bogendoerfer select I8253 640e2defae5SThomas Bogendoerfer select I8259 641e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 642e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 6435b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 644e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 645e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 646e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 647e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 648e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 6492b5e63f6SMartin Michlmayr # 6502b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6512b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6522b5e63f6SMartin Michlmayr # 6532b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6542b5e63f6SMartin Michlmayr # for a more details discussion 6552b5e63f6SMartin Michlmayr # 6562b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 657e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 658e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 659dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 660e2defae5SThomas Bogendoerfer help 661e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 662e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 663e2defae5SThomas Bogendoerfer 6641da177e4SLinus Torvaldsconfig SGI_IP32 665cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 6660e2794b0SRalf Baechle select FW_ARC 6670e2794b0SRalf Baechle select FW_ARC32 6681da177e4SLinus Torvalds select BOOT_ELF32 66942f77542SRalf Baechle select CEVT_R4K 670940f6b48SRalf Baechle select CSRC_R4K 6711da177e4SLinus Torvalds select DMA_NONCOHERENT 6721da177e4SLinus Torvalds select HW_HAS_PCI 67367e38cf2SRalf Baechle select IRQ_MIPS_CPU 6741da177e4SLinus Torvalds select R5000_CPU_SCACHE 6751da177e4SLinus Torvalds select RM7000_CPU_SCACHE 6767cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6777cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 6787cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 679dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 680ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6815e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6821da177e4SLinus Torvalds help 6831da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 6841da177e4SLinus Torvalds 685ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 686ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 6875e83d430SRalf Baechle select BOOT_ELF32 6885e83d430SRalf Baechle select DMA_COHERENT 6895e83d430SRalf Baechle select SIBYTE_BCM1120 6905e83d430SRalf Baechle select SWAP_IO_SPACE 6917cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6925e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6935e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6945e83d430SRalf Baechle 695ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 696ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 6975e83d430SRalf Baechle select BOOT_ELF32 6985e83d430SRalf Baechle select DMA_COHERENT 6995e83d430SRalf Baechle select SIBYTE_BCM1120 7005e83d430SRalf Baechle select SWAP_IO_SPACE 7017cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7025e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7035e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7045e83d430SRalf Baechle 7055e83d430SRalf Baechleconfig SIBYTE_CRHONE 7063fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7075e83d430SRalf Baechle select BOOT_ELF32 7085e83d430SRalf Baechle select DMA_COHERENT 7095e83d430SRalf Baechle select SIBYTE_BCM1125 7105e83d430SRalf Baechle select SWAP_IO_SPACE 7117cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7125e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7135e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7145e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7155e83d430SRalf Baechle 716ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 717ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 718ade299d8SYoichi Yuasa select BOOT_ELF32 719ade299d8SYoichi Yuasa select DMA_COHERENT 720ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 721ade299d8SYoichi Yuasa select SWAP_IO_SPACE 722ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 723ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 724ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 725ade299d8SYoichi Yuasa 726ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 727ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 728ade299d8SYoichi Yuasa select BOOT_ELF32 729ade299d8SYoichi Yuasa select DMA_COHERENT 730fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 731ade299d8SYoichi Yuasa select SIBYTE_SB1250 732ade299d8SYoichi Yuasa select SWAP_IO_SPACE 733ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 734ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 735ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 736ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 737cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 738ade299d8SYoichi Yuasa 739ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 740ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 741ade299d8SYoichi Yuasa select BOOT_ELF32 742ade299d8SYoichi Yuasa select DMA_COHERENT 743fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 744ade299d8SYoichi Yuasa select SIBYTE_SB1250 745ade299d8SYoichi Yuasa select SWAP_IO_SPACE 746ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 747ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 748ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 749ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 750ade299d8SYoichi Yuasa 751ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 752ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 753ade299d8SYoichi Yuasa select BOOT_ELF32 754ade299d8SYoichi Yuasa select DMA_COHERENT 755ade299d8SYoichi Yuasa select SIBYTE_SB1250 756ade299d8SYoichi Yuasa select SWAP_IO_SPACE 757ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 758ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 759ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 760ade299d8SYoichi Yuasa 761ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 762ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 763ade299d8SYoichi Yuasa select BOOT_ELF32 764ade299d8SYoichi Yuasa select DMA_COHERENT 765ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 766ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 767ade299d8SYoichi Yuasa select SWAP_IO_SPACE 768ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 769ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 770651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 771ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 772cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 773ade299d8SYoichi Yuasa 77414b36af4SThomas Bogendoerferconfig SNI_RM 77514b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 7760e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 7770e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 778aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 7795e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 7805e83d430SRalf Baechle select BOOT_ELF32 78142f77542SRalf Baechle select CEVT_R4K 782940f6b48SRalf Baechle select CSRC_R4K 783e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 7845e83d430SRalf Baechle select DMA_NONCOHERENT 7855e83d430SRalf Baechle select GENERIC_ISA_DMA 7868a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 7875e83d430SRalf Baechle select HW_HAS_EISA 7885e83d430SRalf Baechle select HW_HAS_PCI 78967e38cf2SRalf Baechle select IRQ_MIPS_CPU 790d865bea4SRalf Baechle select I8253 7915e83d430SRalf Baechle select I8259 7925e83d430SRalf Baechle select ISA 7934a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 7947cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 7954a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 796c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7974a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 79836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 799ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8007d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8014a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8025e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8035e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8041da177e4SLinus Torvalds help 80514b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 80614b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8075e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8085e83d430SRalf Baechle support this machine type. 8091da177e4SLinus Torvalds 810edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 811edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8125e83d430SRalf Baechle 813edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 814edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 81523fbee9dSRalf Baechle 81673b4390fSRalf Baechleconfig MIKROTIK_RB532 81773b4390fSRalf Baechle bool "Mikrotik RB532 boards" 81873b4390fSRalf Baechle select CEVT_R4K 81973b4390fSRalf Baechle select CSRC_R4K 82073b4390fSRalf Baechle select DMA_NONCOHERENT 82173b4390fSRalf Baechle select HW_HAS_PCI 82267e38cf2SRalf Baechle select IRQ_MIPS_CPU 82373b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 82473b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 82573b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 82673b4390fSRalf Baechle select SWAP_IO_SPACE 82773b4390fSRalf Baechle select BOOT_RAW 828d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 829930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 83073b4390fSRalf Baechle help 83173b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 83273b4390fSRalf Baechle based on the IDT RC32434 SoC. 83373b4390fSRalf Baechle 8349ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8359ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 836a86c7f72SDavid Daney select CEVT_R4K 83734adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 838a86c7f72SDavid Daney select DMA_COHERENT 839a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 840a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 841f65aad41SRalf Baechle select EDAC_SUPPORT 842b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 84373569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 84473569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 845a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 8465e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 847a86c7f72SDavid Daney select SWAP_IO_SPACE 848e8635b48SDavid Daney select HW_HAS_PCI 849f00e001eSDavid Daney select ZONE_DMA32 850465aaed0SDavid Daney select HOLES_IN_ZONE 85199cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 8526e511163SDavid Daney select LIBFDT 8536e511163SDavid Daney select USE_OF 8546e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 8556e511163SDavid Daney select SYS_SUPPORTS_SMP 8566e511163SDavid Daney select NR_CPUS_DEFAULT_16 857e326479fSAndrew Bresticker select BUILTIN_DTB 8588c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 859a86c7f72SDavid Daney help 860a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 861a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 862a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 863a86c7f72SDavid Daney Some of the supported boards are: 864a86c7f72SDavid Daney EBT3000 865a86c7f72SDavid Daney EBH3000 866a86c7f72SDavid Daney EBH3100 867a86c7f72SDavid Daney Thunder 868a86c7f72SDavid Daney Kodama 869a86c7f72SDavid Daney Hikari 870a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 871a86c7f72SDavid Daney 8727f058e85SJayachandran Cconfig NLM_XLR_BOARD 8737f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 8747f058e85SJayachandran C select BOOT_ELF32 8757f058e85SJayachandran C select NLM_COMMON 8767f058e85SJayachandran C select SYS_HAS_CPU_XLR 8777f058e85SJayachandran C select SYS_SUPPORTS_SMP 8787f058e85SJayachandran C select HW_HAS_PCI 8797f058e85SJayachandran C select SWAP_IO_SPACE 8807f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8817f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 88234adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 8837f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8847f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 8857f058e85SJayachandran C select DMA_COHERENT 8867f058e85SJayachandran C select NR_CPUS_DEFAULT_32 8877f058e85SJayachandran C select CEVT_R4K 8887f058e85SJayachandran C select CSRC_R4K 88967e38cf2SRalf Baechle select IRQ_MIPS_CPU 890b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8917f058e85SJayachandran C select SYNC_R4K 8927f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 8938f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8948f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8957f058e85SJayachandran C help 8967f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 8977f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 8987f058e85SJayachandran C 8991c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9001c773ea4SJayachandran C bool "Netlogic XLP based systems" 9011c773ea4SJayachandran C select BOOT_ELF32 9021c773ea4SJayachandran C select NLM_COMMON 9031c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9041c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9051c773ea4SJayachandran C select HW_HAS_PCI 9061c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9071c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 90834adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 909079e3160SKamlakant Patel select ARCH_REQUIRE_GPIOLIB 9101c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9111c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9121c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9131c773ea4SJayachandran C select DMA_COHERENT 9141c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9151c773ea4SJayachandran C select CEVT_R4K 9161c773ea4SJayachandran C select CSRC_R4K 91767e38cf2SRalf Baechle select IRQ_MIPS_CPU 918b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9191c773ea4SJayachandran C select SYNC_R4K 9201c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9212f6528e1SJayachandran C select USE_OF 9228f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9238f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9241c773ea4SJayachandran C help 9251c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9261c773ea4SJayachandran C Say Y here if you have a XLP based board. 9271c773ea4SJayachandran C 9289bc463beSDavid Daneyconfig MIPS_PARAVIRT 9299bc463beSDavid Daney bool "Para-Virtualized guest system" 9309bc463beSDavid Daney select CEVT_R4K 9319bc463beSDavid Daney select CSRC_R4K 9329bc463beSDavid Daney select DMA_COHERENT 9339bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9349bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9359bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9369bc463beSDavid Daney select SYS_SUPPORTS_SMP 9379bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9389bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9399bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9409bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9419bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9429bc463beSDavid Daney select HW_HAS_PCI 9439bc463beSDavid Daney select SWAP_IO_SPACE 9449bc463beSDavid Daney help 9459bc463beSDavid Daney This option supports guest running under ???? 9469bc463beSDavid Daney 9471da177e4SLinus Torvaldsendchoice 9481da177e4SLinus Torvalds 949e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 9503b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 951d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 952a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 953e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 9548945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 9555e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 9565ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 9578ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 9581f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 959af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 9600f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 961ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 96229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 96338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 96422b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 9655e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 966a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 96730ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 96830ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 9697f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 970ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 97138b18f72SRalf Baechle 9725e83d430SRalf Baechleendmenu 9735e83d430SRalf Baechle 9741da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 9751da177e4SLinus Torvalds bool 9761da177e4SLinus Torvalds default y 9771da177e4SLinus Torvalds 9781da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 9791da177e4SLinus Torvalds bool 9801da177e4SLinus Torvalds 981f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 982f0d1b0b3SDavid Howells bool 983f0d1b0b3SDavid Howells default n 984f0d1b0b3SDavid Howells 985f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 986f0d1b0b3SDavid Howells bool 987f0d1b0b3SDavid Howells default n 988f0d1b0b3SDavid Howells 9893c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 9903c9ee7efSAkinobu Mita bool 9913c9ee7efSAkinobu Mita default y 9923c9ee7efSAkinobu Mita 9931da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 9941da177e4SLinus Torvalds bool 9951da177e4SLinus Torvalds default y 9961da177e4SLinus Torvalds 997ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 9981cc89038SAtsushi Nemoto bool 9991cc89038SAtsushi Nemoto default y 10001cc89038SAtsushi Nemoto 10011da177e4SLinus Torvalds# 10021da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10031da177e4SLinus Torvalds# 10040e2794b0SRalf Baechleconfig FW_ARC 10051da177e4SLinus Torvalds bool 10061da177e4SLinus Torvalds 100761ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 100861ed242dSRalf Baechle bool 100961ed242dSRalf Baechle 10109267a30dSMarc St-Jeanconfig BOOT_RAW 10119267a30dSMarc St-Jean bool 10129267a30dSMarc St-Jean 1013217dd11eSRalf Baechleconfig CEVT_BCM1480 1014217dd11eSRalf Baechle bool 1015217dd11eSRalf Baechle 10166457d9fcSYoichi Yuasaconfig CEVT_DS1287 10176457d9fcSYoichi Yuasa bool 10186457d9fcSYoichi Yuasa 10191097c6acSYoichi Yuasaconfig CEVT_GT641XX 10201097c6acSYoichi Yuasa bool 10211097c6acSYoichi Yuasa 102242f77542SRalf Baechleconfig CEVT_R4K 102342f77542SRalf Baechle bool 102442f77542SRalf Baechle 1025217dd11eSRalf Baechleconfig CEVT_SB1250 1026217dd11eSRalf Baechle bool 1027217dd11eSRalf Baechle 1028229f773eSAtsushi Nemotoconfig CEVT_TXX9 1029229f773eSAtsushi Nemoto bool 1030229f773eSAtsushi Nemoto 1031217dd11eSRalf Baechleconfig CSRC_BCM1480 1032217dd11eSRalf Baechle bool 1033217dd11eSRalf Baechle 10344247417dSYoichi Yuasaconfig CSRC_IOASIC 10354247417dSYoichi Yuasa bool 10364247417dSYoichi Yuasa 1037940f6b48SRalf Baechleconfig CSRC_R4K 1038940f6b48SRalf Baechle bool 1039940f6b48SRalf Baechle 1040217dd11eSRalf Baechleconfig CSRC_SB1250 1041217dd11eSRalf Baechle bool 1042217dd11eSRalf Baechle 1043a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 10447444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 1045a9aec7feSAtsushi Nemoto bool 1046a9aec7feSAtsushi Nemoto 10470e2794b0SRalf Baechleconfig FW_CFE 1048df78b5c8SAurelien Jarno bool 1049df78b5c8SAurelien Jarno 10504bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 105134adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 10524bafad92SFUJITA Tomonori 105340e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 105440e084a5SRalf Baechle bool 105540e084a5SRalf Baechle 1056885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1057885014bcSFelix Fietkau select DMA_NONCOHERENT 1058885014bcSFelix Fietkau bool 1059885014bcSFelix Fietkau 10601da177e4SLinus Torvaldsconfig DMA_COHERENT 10611da177e4SLinus Torvalds bool 10621da177e4SLinus Torvalds 10631da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 10641da177e4SLinus Torvalds bool 1065e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 10664ce588cdSRalf Baechle 1067e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 10684ce588cdSRalf Baechle bool 10691da177e4SLinus Torvalds 107036a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 10711da177e4SLinus Torvalds bool 10721da177e4SLinus Torvalds 1073dbb74540SRalf Baechleconfig HOTPLUG_CPU 10741b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 107540b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 10761b2bc75cSRalf Baechle help 10771b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 10781b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 10791b2bc75cSRalf Baechle (Note: power management support will enable this option 10801b2bc75cSRalf Baechle automatically on SMP systems. ) 10811b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 10821b2bc75cSRalf Baechle 10831b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1084dbb74540SRalf Baechle bool 1085dbb74540SRalf Baechle 10861da177e4SLinus Torvaldsconfig MIPS_BONITO64 10871da177e4SLinus Torvalds bool 10881da177e4SLinus Torvalds 10891da177e4SLinus Torvaldsconfig MIPS_MSC 10901da177e4SLinus Torvalds bool 10911da177e4SLinus Torvalds 10921f21d2bdSBrian Murphyconfig MIPS_NILE4 10931f21d2bdSBrian Murphy bool 10941f21d2bdSBrian Murphy 109539b8d525SRalf Baechleconfig SYNC_R4K 109639b8d525SRalf Baechle bool 109739b8d525SRalf Baechle 1098487d70d0SGabor Juhosconfig MIPS_MACHINE 1099487d70d0SGabor Juhos def_bool n 1100487d70d0SGabor Juhos 1101ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1102d388d685SMaciej W. Rozycki def_bool n 1103d388d685SMaciej W. Rozycki 11044e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11054e0748f5SMarkos Chandras bool 11064e0748f5SMarkos Chandras 11078313da30SRalf Baechleconfig GENERIC_ISA_DMA 11088313da30SRalf Baechle bool 11098313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1110a35bee8aSNamhyung Kim select ISA_DMA_API 11118313da30SRalf Baechle 1112aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1113aa414dffSRalf Baechle bool 11148313da30SRalf Baechle select GENERIC_ISA_DMA 1115aa414dffSRalf Baechle 1116a35bee8aSNamhyung Kimconfig ISA_DMA_API 1117a35bee8aSNamhyung Kim bool 1118a35bee8aSNamhyung Kim 1119465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1120465aaed0SDavid Daney bool 1121465aaed0SDavid Daney 11225e83d430SRalf Baechle# 11236b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11245e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11255e83d430SRalf Baechle# choice statement should be more obvious to the user. 11265e83d430SRalf Baechle# 11275e83d430SRalf Baechlechoice 11286b2aac42SMasanari Iida prompt "Endianness selection" 11291da177e4SLinus Torvalds help 11301da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11315e83d430SRalf Baechle byte order. These modes require different kernels and a different 11323cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11335e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11343dde6ad8SDavid Sterba one or the other endianness. 11355e83d430SRalf Baechle 11365e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11375e83d430SRalf Baechle bool "Big endian" 11385e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11395e83d430SRalf Baechle 11405e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11415e83d430SRalf Baechle bool "Little endian" 11425e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11435e83d430SRalf Baechle 11445e83d430SRalf Baechleendchoice 11455e83d430SRalf Baechle 114622b0763aSDavid Daneyconfig EXPORT_UASM 114722b0763aSDavid Daney bool 114822b0763aSDavid Daney 11492116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 11502116245eSRalf Baechle bool 11512116245eSRalf Baechle 11525e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 11535e83d430SRalf Baechle bool 11545e83d430SRalf Baechle 11555e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 11565e83d430SRalf Baechle bool 11571da177e4SLinus Torvalds 11589cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 11599cffd154SDavid Daney bool 11609cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 11619cffd154SDavid Daney default y 11629cffd154SDavid Daney 1163aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1164aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1165aa1762f4SDavid Daney 11661da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 11671da177e4SLinus Torvalds bool 11681da177e4SLinus Torvalds 11699267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 11709267a30dSMarc St-Jean bool 11719267a30dSMarc St-Jean 11729267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 11739267a30dSMarc St-Jean bool 11749267a30dSMarc St-Jean 11758420fd00SAtsushi Nemotoconfig IRQ_TXX9 11768420fd00SAtsushi Nemoto bool 11778420fd00SAtsushi Nemoto 1178d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1179d5ab1a69SYoichi Yuasa bool 1180d5ab1a69SYoichi Yuasa 1181252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 11821da177e4SLinus Torvalds bool 11831da177e4SLinus Torvalds 11849267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 11859267a30dSMarc St-Jean bool 11869267a30dSMarc St-Jean 1187a83860c2SRalf Baechleconfig SOC_EMMA2RH 1188a83860c2SRalf Baechle bool 1189a83860c2SRalf Baechle select CEVT_R4K 1190a83860c2SRalf Baechle select CSRC_R4K 1191a83860c2SRalf Baechle select DMA_NONCOHERENT 119267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1193a83860c2SRalf Baechle select SWAP_IO_SPACE 1194a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1195a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1196a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1197a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1198a83860c2SRalf Baechle 1199edb6310aSDaniel Lairdconfig SOC_PNX833X 1200edb6310aSDaniel Laird bool 1201edb6310aSDaniel Laird select CEVT_R4K 1202edb6310aSDaniel Laird select CSRC_R4K 120367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1204edb6310aSDaniel Laird select DMA_NONCOHERENT 1205edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1206edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1207edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1208edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1209377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1210edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1211edb6310aSDaniel Laird 1212edb6310aSDaniel Lairdconfig SOC_PNX8335 1213edb6310aSDaniel Laird bool 1214edb6310aSDaniel Laird select SOC_PNX833X 1215edb6310aSDaniel Laird 1216a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1217a7e07b1aSMarkos Chandras bool 1218a7e07b1aSMarkos Chandras 12191da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12201da177e4SLinus Torvalds bool 12211da177e4SLinus Torvalds 1222e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1223e2defae5SThomas Bogendoerfer bool 1224e2defae5SThomas Bogendoerfer 12255b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12265b438c44SThomas Bogendoerfer bool 12275b438c44SThomas Bogendoerfer 1228e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1229e2defae5SThomas Bogendoerfer bool 1230e2defae5SThomas Bogendoerfer 1231e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1232e2defae5SThomas Bogendoerfer bool 1233e2defae5SThomas Bogendoerfer 1234e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1235e2defae5SThomas Bogendoerfer bool 1236e2defae5SThomas Bogendoerfer 1237e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1238e2defae5SThomas Bogendoerfer bool 1239e2defae5SThomas Bogendoerfer 1240e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1241e2defae5SThomas Bogendoerfer bool 1242e2defae5SThomas Bogendoerfer 12430e2794b0SRalf Baechleconfig FW_ARC32 12445e83d430SRalf Baechle bool 12455e83d430SRalf Baechle 1246aaa9fad3SPaul Bolleconfig FW_SNIPROM 1247231a35d3SThomas Bogendoerfer bool 1248231a35d3SThomas Bogendoerfer 12491da177e4SLinus Torvaldsconfig BOOT_ELF32 12501da177e4SLinus Torvalds bool 12511da177e4SLinus Torvalds 1252930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1253930beb5aSFlorian Fainelli bool 1254930beb5aSFlorian Fainelli 1255930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1256930beb5aSFlorian Fainelli bool 1257930beb5aSFlorian Fainelli 1258930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1259930beb5aSFlorian Fainelli bool 1260930beb5aSFlorian Fainelli 1261930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1262930beb5aSFlorian Fainelli bool 1263930beb5aSFlorian Fainelli 12641da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12651da177e4SLinus Torvalds int 1266a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12675432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 12685432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 12695432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 12701da177e4SLinus Torvalds default "5" 12711da177e4SLinus Torvalds 12721da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 12731da177e4SLinus Torvalds bool 12741da177e4SLinus Torvalds 12751da177e4SLinus Torvaldsconfig ARC_CONSOLE 12761da177e4SLinus Torvalds bool "ARC console support" 1277e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12781da177e4SLinus Torvalds 12791da177e4SLinus Torvaldsconfig ARC_MEMORY 12801da177e4SLinus Torvalds bool 128114b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 12821da177e4SLinus Torvalds default y 12831da177e4SLinus Torvalds 12841da177e4SLinus Torvaldsconfig ARC_PROMLIB 12851da177e4SLinus Torvalds bool 1286e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 12871da177e4SLinus Torvalds default y 12881da177e4SLinus Torvalds 12890e2794b0SRalf Baechleconfig FW_ARC64 12901da177e4SLinus Torvalds bool 12911da177e4SLinus Torvalds 12921da177e4SLinus Torvaldsconfig BOOT_ELF64 12931da177e4SLinus Torvalds bool 12941da177e4SLinus Torvalds 12951da177e4SLinus Torvaldsmenu "CPU selection" 12961da177e4SLinus Torvalds 12971da177e4SLinus Torvaldschoice 12981da177e4SLinus Torvalds prompt "CPU type" 12991da177e4SLinus Torvalds default CPU_R4X00 13001da177e4SLinus Torvalds 13010e476d91SHuacai Chenconfig CPU_LOONGSON3 13020e476d91SHuacai Chen bool "Loongson 3 CPU" 13030e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 13040e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13050e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13060e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13070e476d91SHuacai Chen select WEAK_ORDERING 13080e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1309cbfb3ea7SHuacai Chen select ARCH_REQUIRE_GPIOLIB 13100e476d91SHuacai Chen help 13110e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13120e476d91SHuacai Chen set with many extensions. 13130e476d91SHuacai Chen 13143702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13153702bba5SWu Zhangjin bool "Loongson 2E" 13163702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 13173702bba5SWu Zhangjin select CPU_LOONGSON2 13182a21c730SFuxin Zhang help 13192a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13202a21c730SFuxin Zhang with many extensions. 13212a21c730SFuxin Zhang 132225985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13236f7a251aSWu Zhangjin bonito64. 13246f7a251aSWu Zhangjin 13256f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13266f7a251aSWu Zhangjin bool "Loongson 2F" 13276f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 13286f7a251aSWu Zhangjin select CPU_LOONGSON2 1329c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 13306f7a251aSWu Zhangjin help 13316f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13326f7a251aSWu Zhangjin with many extensions. 13336f7a251aSWu Zhangjin 13346f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13356f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13366f7a251aSWu Zhangjin Loongson2E. 13376f7a251aSWu Zhangjin 1338ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1339ca585cf9SKelvin Cheung bool "Loongson 1B" 1340ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1341ca585cf9SKelvin Cheung select CPU_LOONGSON1 1342ca585cf9SKelvin Cheung help 1343ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1344ca585cf9SKelvin Cheung release 2 instruction set. 1345ca585cf9SKelvin Cheung 13466e760c8dSRalf Baechleconfig CPU_MIPS32_R1 13476e760c8dSRalf Baechle bool "MIPS32 Release 1" 13487cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 13496e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1350797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1351ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13526e760c8dSRalf Baechle help 13535e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 13541e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13551e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13561e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13571e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13581e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 13591e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 13601e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 13611e5f1caaSRalf Baechle performance. 13621e5f1caaSRalf Baechle 13631e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 13641e5f1caaSRalf Baechle bool "MIPS32 Release 2" 13657cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 13661e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1367797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1368ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1369a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13702235a54dSSanjay Lal select HAVE_KVM 13711e5f1caaSRalf Baechle help 13725e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 13736e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13746e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13756e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13766e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13771da177e4SLinus Torvalds 13787fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1379674d10e2SMarkos Chandras bool "MIPS32 Release 6" 13807fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 13817fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 13827fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 13837fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 13847fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 13854e0748f5SMarkos Chandras select GENERIC_CSUM 13867fd08ca5SLeonid Yegoshin select HAVE_KVM 13877fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 13887fd08ca5SLeonid Yegoshin help 13897fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 13907fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 13917fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 13927fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 13937fd08ca5SLeonid Yegoshin 13946e760c8dSRalf Baechleconfig CPU_MIPS64_R1 13956e760c8dSRalf Baechle bool "MIPS64 Release 1" 13967cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1397797798c1SRalf Baechle select CPU_HAS_PREFETCH 1398ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1399ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1400ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14019cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14026e760c8dSRalf Baechle help 14036e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14046e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14056e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14066e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14076e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14081e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14091e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14101e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14111e5f1caaSRalf Baechle performance. 14121e5f1caaSRalf Baechle 14131e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 14141e5f1caaSRalf Baechle bool "MIPS64 Release 2" 14157cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1416797798c1SRalf Baechle select CPU_HAS_PREFETCH 14171e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14181e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1419ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14209cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1421a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14221e5f1caaSRalf Baechle help 14231e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 14241e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14251e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14261e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14271e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14281da177e4SLinus Torvalds 14297fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1430674d10e2SMarkos Chandras bool "MIPS64 Release 6" 14317fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 14327fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14337fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14347fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 14357fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14367fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14374e0748f5SMarkos Chandras select GENERIC_CSUM 14384e9d324dSPaul Burton select MIPS_O32_FP64_SUPPORT if MIPS32_O32 14397fd08ca5SLeonid Yegoshin help 14407fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14417fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 14427fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 14437fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 14447fd08ca5SLeonid Yegoshin 14451da177e4SLinus Torvaldsconfig CPU_R3000 14461da177e4SLinus Torvalds bool "R3000" 14477cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1448f7062ddbSRalf Baechle select CPU_HAS_WB 1449ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1450797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14511da177e4SLinus Torvalds help 14521da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 14531da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 14541da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 14551da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 14561da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 14571da177e4SLinus Torvalds try to recompile with R3000. 14581da177e4SLinus Torvalds 14591da177e4SLinus Torvaldsconfig CPU_TX39XX 14601da177e4SLinus Torvalds bool "R39XX" 14617cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1462ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 14631da177e4SLinus Torvalds 14641da177e4SLinus Torvaldsconfig CPU_VR41XX 14651da177e4SLinus Torvalds bool "R41xx" 14667cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1467ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1468ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14691da177e4SLinus Torvalds help 14705e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 14711da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 14721da177e4SLinus Torvalds kernel built with this option will not run on any other type of 14731da177e4SLinus Torvalds processor or vice versa. 14741da177e4SLinus Torvalds 14751da177e4SLinus Torvaldsconfig CPU_R4300 14761da177e4SLinus Torvalds bool "R4300" 14777cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1478ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1479ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14801da177e4SLinus Torvalds help 14811da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 14821da177e4SLinus Torvalds 14831da177e4SLinus Torvaldsconfig CPU_R4X00 14841da177e4SLinus Torvalds bool "R4x00" 14857cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1486ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1487ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1488970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14891da177e4SLinus Torvalds help 14901da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 14911da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 14921da177e4SLinus Torvalds 14931da177e4SLinus Torvaldsconfig CPU_TX49XX 14941da177e4SLinus Torvalds bool "R49XX" 14957cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1496de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1497ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1498ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1499970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15001da177e4SLinus Torvalds 15011da177e4SLinus Torvaldsconfig CPU_R5000 15021da177e4SLinus Torvalds bool "R5000" 15037cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1504ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1505ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1506970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15071da177e4SLinus Torvalds help 15081da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 15091da177e4SLinus Torvalds 15101da177e4SLinus Torvaldsconfig CPU_R5432 15111da177e4SLinus Torvalds bool "R5432" 15127cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 15135e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15145e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1515970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15161da177e4SLinus Torvalds 1517542c1020SShinya Kuribayashiconfig CPU_R5500 1518542c1020SShinya Kuribayashi bool "R5500" 1519542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1520542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1521542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 15229cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1523542c1020SShinya Kuribayashi help 1524542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1525542c1020SShinya Kuribayashi instruction set. 1526542c1020SShinya Kuribayashi 15271da177e4SLinus Torvaldsconfig CPU_R6000 15281da177e4SLinus Torvalds bool "R6000" 15297cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1530ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15311da177e4SLinus Torvalds help 15321da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1533c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 15341da177e4SLinus Torvalds 15351da177e4SLinus Torvaldsconfig CPU_NEVADA 15361da177e4SLinus Torvalds bool "RM52xx" 15377cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1538ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1539ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1540970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15411da177e4SLinus Torvalds help 15421da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 15431da177e4SLinus Torvalds 15441da177e4SLinus Torvaldsconfig CPU_R8000 15451da177e4SLinus Torvalds bool "R8000" 15467cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 15475e83d430SRalf Baechle select CPU_HAS_PREFETCH 1548ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15491da177e4SLinus Torvalds help 15501da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 15511da177e4SLinus Torvalds uncommon and the support for them is incomplete. 15521da177e4SLinus Torvalds 15531da177e4SLinus Torvaldsconfig CPU_R10000 15541da177e4SLinus Torvalds bool "R10000" 15557cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 15565e83d430SRalf Baechle select CPU_HAS_PREFETCH 1557ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1558ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1559797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1560970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15611da177e4SLinus Torvalds help 15621da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 15631da177e4SLinus Torvalds 15641da177e4SLinus Torvaldsconfig CPU_RM7000 15651da177e4SLinus Torvalds bool "RM7000" 15667cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 15675e83d430SRalf Baechle select CPU_HAS_PREFETCH 1568ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1569ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1570797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1571970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15721da177e4SLinus Torvalds 15731da177e4SLinus Torvaldsconfig CPU_SB1 15741da177e4SLinus Torvalds bool "SB1" 15757cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1576ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1577ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1578797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1579970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15800004a9dfSRalf Baechle select WEAK_ORDERING 15811da177e4SLinus Torvalds 1582a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1583a86c7f72SDavid Daney bool "Cavium Octeon processor" 15845e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1585a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1586a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1587a86c7f72SDavid Daney select WEAK_ORDERING 1588a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 15899cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1590df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1591df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1592930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1593a86c7f72SDavid Daney help 1594a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1595a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1596a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1597a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1598a86c7f72SDavid Daney 1599cd746249SJonas Gorskiconfig CPU_BMIPS 1600cd746249SJonas Gorski bool "Broadcom BMIPS" 1601cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1602cd746249SJonas Gorski select CPU_MIPS32 1603fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1604cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1605cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1606cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1607cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1608cd746249SJonas Gorski select DMA_NONCOHERENT 160967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1610cd746249SJonas Gorski select SWAP_IO_SPACE 1611cd746249SJonas Gorski select WEAK_ORDERING 1612c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 161369aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1614c1c0c461SKevin Cernekee help 1615fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1616c1c0c461SKevin Cernekee 16177f058e85SJayachandran Cconfig CPU_XLR 16187f058e85SJayachandran C bool "Netlogic XLR SoC" 16197f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 16207f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16217f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16227f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1623970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16247f058e85SJayachandran C select WEAK_ORDERING 16257f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16267f058e85SJayachandran C help 16277f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 16281c773ea4SJayachandran C 16291c773ea4SJayachandran Cconfig CPU_XLP 16301c773ea4SJayachandran C bool "Netlogic XLP SoC" 16311c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 16321c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16331c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16341c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 16351c773ea4SJayachandran C select WEAK_ORDERING 16361c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16371c773ea4SJayachandran C select CPU_HAS_PREFETCH 1638d6504846SJayachandran C select CPU_MIPSR2 1639ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 16401c773ea4SJayachandran C help 16411c773ea4SJayachandran C Netlogic Microsystems XLP processors. 16421da177e4SLinus Torvaldsendchoice 16431da177e4SLinus Torvalds 1644a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1645a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1646a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 16477fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1648a6e18781SLeonid Yegoshin help 1649a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1650a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1651a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1652a6e18781SLeonid Yegoshin 1653a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1654a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1655a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1656a6e18781SLeonid Yegoshin select EVA 1657a6e18781SLeonid Yegoshin default y 1658a6e18781SLeonid Yegoshin help 1659a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1660a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1661a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1662a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1663a6e18781SLeonid Yegoshin 1664c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1665c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1666c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1667c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1668c5b36783SSteven J. Hill help 1669c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1670c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1671c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1672c5b36783SSteven J. Hill 1673c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1674c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1675c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1676c5b36783SSteven J. Hill depends on !EVA 1677c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1678c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1679c5b36783SSteven J. Hill select XPA 1680c5b36783SSteven J. Hill select HIGHMEM 1681c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1682c5b36783SSteven J. Hill default n 1683c5b36783SSteven J. Hill help 1684c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1685c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1686c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1687c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1688c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1689c5b36783SSteven J. Hill If unsure, say 'N' here. 1690c5b36783SSteven J. Hill 1691622844bfSWu Zhangjinif CPU_LOONGSON2F 1692622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1693622844bfSWu Zhangjin bool 1694622844bfSWu Zhangjin 1695622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1696622844bfSWu Zhangjin bool 1697622844bfSWu Zhangjin 1698622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1699622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1700622844bfSWu Zhangjin default y 1701622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1702622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1703622844bfSWu Zhangjin help 1704622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1705622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1706622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1707622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1708622844bfSWu Zhangjin 1709622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1710622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1711622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1712622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1713622844bfSWu Zhangjin systems. 1714622844bfSWu Zhangjin 1715622844bfSWu Zhangjin If unsure, please say Y. 1716622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1717622844bfSWu Zhangjin 17181b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 17191b93b3c3SWu Zhangjin bool 17201b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 17211b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 172231c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 17231b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1724fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 17254e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 17261b93b3c3SWu Zhangjin 17271b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 17281b93b3c3SWu Zhangjin bool 17291b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 17301b93b3c3SWu Zhangjin 17313702bba5SWu Zhangjinconfig CPU_LOONGSON2 17323702bba5SWu Zhangjin bool 17333702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 17343702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 17353702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1736970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17373702bba5SWu Zhangjin 1738ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1739ca585cf9SKelvin Cheung bool 1740ca585cf9SKelvin Cheung select CPU_MIPS32 1741ca585cf9SKelvin Cheung select CPU_MIPSR2 1742ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1743ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1744ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1745f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1746ca585cf9SKelvin Cheung 1747fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 174804fa8bf7SJonas Gorski select SMP_UP if SMP 17491bbb6c1bSKevin Cernekee bool 1750cd746249SJonas Gorski 1751cd746249SJonas Gorskiconfig CPU_BMIPS4350 1752cd746249SJonas Gorski bool 1753cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1754cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1755cd746249SJonas Gorski 1756cd746249SJonas Gorskiconfig CPU_BMIPS4380 1757cd746249SJonas Gorski bool 1758bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1759cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1760cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1761cd746249SJonas Gorski 1762cd746249SJonas Gorskiconfig CPU_BMIPS5000 1763cd746249SJonas Gorski bool 1764cd746249SJonas Gorski select MIPS_CPU_SCACHE 1765bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1766cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1767cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 17681bbb6c1bSKevin Cernekee 17690e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 17700e476d91SHuacai Chen bool 17710e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 17720e476d91SHuacai Chen 17733702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 17742a21c730SFuxin Zhang bool 17752a21c730SFuxin Zhang 17766f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 17776f7a251aSWu Zhangjin bool 177855045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 177955045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 178022f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 17816f7a251aSWu Zhangjin 1782ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1783ca585cf9SKelvin Cheung bool 1784ca585cf9SKelvin Cheung 17857cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 17867cf8053bSRalf Baechle bool 17877cf8053bSRalf Baechle 17887cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 17897cf8053bSRalf Baechle bool 17907cf8053bSRalf Baechle 1791a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1792a6e18781SLeonid Yegoshin bool 1793a6e18781SLeonid Yegoshin 1794c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1795c5b36783SSteven J. Hill bool 1796c5b36783SSteven J. Hill 17977fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 17987fd08ca5SLeonid Yegoshin bool 17997fd08ca5SLeonid Yegoshin 18007cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 18017cf8053bSRalf Baechle bool 18027cf8053bSRalf Baechle 18037cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 18047cf8053bSRalf Baechle bool 18057cf8053bSRalf Baechle 18067fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 18077fd08ca5SLeonid Yegoshin bool 18087fd08ca5SLeonid Yegoshin 18097cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 18107cf8053bSRalf Baechle bool 18117cf8053bSRalf Baechle 18127cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 18137cf8053bSRalf Baechle bool 18147cf8053bSRalf Baechle 18157cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 18167cf8053bSRalf Baechle bool 18177cf8053bSRalf Baechle 18187cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 18197cf8053bSRalf Baechle bool 18207cf8053bSRalf Baechle 18217cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 18227cf8053bSRalf Baechle bool 18237cf8053bSRalf Baechle 18247cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 18257cf8053bSRalf Baechle bool 18267cf8053bSRalf Baechle 18277cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 18287cf8053bSRalf Baechle bool 18297cf8053bSRalf Baechle 18307cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 18317cf8053bSRalf Baechle bool 18327cf8053bSRalf Baechle 1833542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1834542c1020SShinya Kuribayashi bool 1835542c1020SShinya Kuribayashi 18367cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 18377cf8053bSRalf Baechle bool 18387cf8053bSRalf Baechle 18397cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 18407cf8053bSRalf Baechle bool 18417cf8053bSRalf Baechle 18427cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 18437cf8053bSRalf Baechle bool 18447cf8053bSRalf Baechle 18457cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 18467cf8053bSRalf Baechle bool 18477cf8053bSRalf Baechle 18487cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 18497cf8053bSRalf Baechle bool 18507cf8053bSRalf Baechle 18517cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 18527cf8053bSRalf Baechle bool 18537cf8053bSRalf Baechle 18545e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 18555e683389SDavid Daney bool 18565e683389SDavid Daney 1857cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1858c1c0c461SKevin Cernekee bool 1859c1c0c461SKevin Cernekee 1860fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1861c1c0c461SKevin Cernekee bool 1862cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1863c1c0c461SKevin Cernekee 1864c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1865c1c0c461SKevin Cernekee bool 1866cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1867c1c0c461SKevin Cernekee 1868c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1869c1c0c461SKevin Cernekee bool 1870cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1871c1c0c461SKevin Cernekee 1872c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1873c1c0c461SKevin Cernekee bool 1874cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1875c1c0c461SKevin Cernekee 18767f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 18777f058e85SJayachandran C bool 18787f058e85SJayachandran C 18791c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 18801c773ea4SJayachandran C bool 18811c773ea4SJayachandran C 1882b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1883b6911bbaSPaul Burton depends on MIPS_MALTA 1884b6911bbaSPaul Burton depends on PCI 1885b6911bbaSPaul Burton bool 1886b6911bbaSPaul Burton default y 1887b6911bbaSPaul Burton 188817099b11SRalf Baechle# 188917099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 189017099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 189117099b11SRalf Baechle# 18920004a9dfSRalf Baechleconfig WEAK_ORDERING 18930004a9dfSRalf Baechle bool 189417099b11SRalf Baechle 189517099b11SRalf Baechle# 189617099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 189717099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 189817099b11SRalf Baechle# 189917099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 190017099b11SRalf Baechle bool 19015e83d430SRalf Baechleendmenu 19025e83d430SRalf Baechle 19035e83d430SRalf Baechle# 19045e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19055e83d430SRalf Baechle# 19065e83d430SRalf Baechleconfig CPU_MIPS32 19075e83d430SRalf Baechle bool 19087fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 19095e83d430SRalf Baechle 19105e83d430SRalf Baechleconfig CPU_MIPS64 19115e83d430SRalf Baechle bool 19127fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 19135e83d430SRalf Baechle 19145e83d430SRalf Baechle# 1915c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 19165e83d430SRalf Baechle# 19175e83d430SRalf Baechleconfig CPU_MIPSR1 19185e83d430SRalf Baechle bool 19195e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 19205e83d430SRalf Baechle 19215e83d430SRalf Baechleconfig CPU_MIPSR2 19225e83d430SRalf Baechle bool 1923a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1924a7e07b1aSMarkos Chandras select MIPS_SPRAM 19255e83d430SRalf Baechle 19267fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 19277fd08ca5SLeonid Yegoshin bool 19287fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 1929a7e07b1aSMarkos Chandras select MIPS_SPRAM 19305e83d430SRalf Baechle 1931a6e18781SLeonid Yegoshinconfig EVA 1932a6e18781SLeonid Yegoshin bool 1933a6e18781SLeonid Yegoshin 1934c5b36783SSteven J. Hillconfig XPA 1935c5b36783SSteven J. Hill bool 1936c5b36783SSteven J. Hill 19375e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 19385e83d430SRalf Baechle bool 19395e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 19405e83d430SRalf Baechle bool 19415e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 19425e83d430SRalf Baechle bool 19435e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 19445e83d430SRalf Baechle bool 194555045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 194655045ff5SWu Zhangjin bool 194755045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 194855045ff5SWu Zhangjin bool 19499cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 19509cffd154SDavid Daney bool 195122f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 195222f1fdfdSWu Zhangjin bool 195382622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 195482622284SDavid Daney bool 1955d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 19565e83d430SRalf Baechle 19578192c9eaSDavid Daney# 19588192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 19598192c9eaSDavid Daney# 19608192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 19618192c9eaSDavid Daney bool 1962f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 19638192c9eaSDavid Daney 19645e83d430SRalf Baechlemenu "Kernel type" 19655e83d430SRalf Baechle 19665e83d430SRalf Baechlechoice 19675e83d430SRalf Baechle prompt "Kernel code model" 19685e83d430SRalf Baechle help 19695e83d430SRalf Baechle You should only select this option if you have a workload that 19705e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 19715e83d430SRalf Baechle large memory. You will only be presented a single option in this 19725e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 19735e83d430SRalf Baechle 19745e83d430SRalf Baechleconfig 32BIT 19755e83d430SRalf Baechle bool "32-bit kernel" 19765e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 19775e83d430SRalf Baechle select TRAD_SIGNALS 19785e83d430SRalf Baechle help 19795e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 1980f17c4ca3SRalf Baechle 19815e83d430SRalf Baechleconfig 64BIT 19825e83d430SRalf Baechle bool "64-bit kernel" 19835e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 19845e83d430SRalf Baechle help 19855e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 19865e83d430SRalf Baechle 19875e83d430SRalf Baechleendchoice 19885e83d430SRalf Baechle 19892235a54dSSanjay Lalconfig KVM_GUEST 19902235a54dSSanjay Lal bool "KVM Guest Kernel" 1991f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 19922235a54dSSanjay Lal help 19932235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 19942235a54dSSanjay Lal 1995eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1996eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 19972235a54dSSanjay Lal depends on KVM_GUEST 1998eda3d33cSJames Hogan default 100 19992235a54dSSanjay Lal help 2000eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2001eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2002eda3d33cSJames Hogan timer frequency is specified directly. 20032235a54dSSanjay Lal 20041da177e4SLinus Torvaldschoice 20051da177e4SLinus Torvalds prompt "Kernel page size" 20061da177e4SLinus Torvalds default PAGE_SIZE_4KB 20071da177e4SLinus Torvalds 20081da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 20091da177e4SLinus Torvalds bool "4kB" 20100e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 20111da177e4SLinus Torvalds help 20121da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 20131da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 20141da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 20151da177e4SLinus Torvalds recommended for low memory systems. 20161da177e4SLinus Torvalds 20171da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 20181da177e4SLinus Torvalds bool "8kB" 20197d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 20201da177e4SLinus Torvalds help 20211da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 20221da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2023c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2024c52399beSRalf Baechle suitable Linux distribution to support this. 20251da177e4SLinus Torvalds 20261da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 20271da177e4SLinus Torvalds bool "16kB" 2028714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 20291da177e4SLinus Torvalds help 20301da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 20311da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2032714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2033714bfad6SRalf Baechle Linux distribution to support this. 20341da177e4SLinus Torvalds 2035c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2036c52399beSRalf Baechle bool "32kB" 2037c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 2038c52399beSRalf Baechle help 2039c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2040c52399beSRalf Baechle the price of higher memory consumption. This option is available 2041c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2042c52399beSRalf Baechle distribution to support this. 2043c52399beSRalf Baechle 20441da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 20451da177e4SLinus Torvalds bool "64kB" 20467d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 20471da177e4SLinus Torvalds help 20481da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 20491da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 20501da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2051714bfad6SRalf Baechle writing this option is still high experimental. 20521da177e4SLinus Torvalds 20531da177e4SLinus Torvaldsendchoice 20541da177e4SLinus Torvalds 2055c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2056c9bace7cSDavid Daney int "Maximum zone order" 2057e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2058e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2059e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2060e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2061e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2062e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2063c9bace7cSDavid Daney range 11 64 2064c9bace7cSDavid Daney default "11" 2065c9bace7cSDavid Daney help 2066c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2067c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2068c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2069c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2070c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2071c9bace7cSDavid Daney increase this value. 2072c9bace7cSDavid Daney 2073c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2074c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2075c9bace7cSDavid Daney 2076c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2077c9bace7cSDavid Daney when choosing a value for this option. 2078c9bace7cSDavid Daney 20791da177e4SLinus Torvaldsconfig BOARD_SCACHE 20801da177e4SLinus Torvalds bool 20811da177e4SLinus Torvalds 20821da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 20831da177e4SLinus Torvalds bool 20841da177e4SLinus Torvalds select BOARD_SCACHE 20851da177e4SLinus Torvalds 20869318c51aSChris Dearman# 20879318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 20889318c51aSChris Dearman# 20899318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 20909318c51aSChris Dearman bool 20919318c51aSChris Dearman select BOARD_SCACHE 20929318c51aSChris Dearman 20931da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 20941da177e4SLinus Torvalds bool 20951da177e4SLinus Torvalds select BOARD_SCACHE 20961da177e4SLinus Torvalds 20971da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 20981da177e4SLinus Torvalds bool 20991da177e4SLinus Torvalds select BOARD_SCACHE 21001da177e4SLinus Torvalds 21011da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 21021da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 21031da177e4SLinus Torvalds depends on CPU_SB1 21041da177e4SLinus Torvalds help 21051da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 21061da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 21071da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 21081da177e4SLinus Torvalds 21091da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2110c8094b53SRalf Baechle bool 21111da177e4SLinus Torvalds 21123165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 21133165c846SFlorian Fainelli bool 21143165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 21153165c846SFlorian Fainelli 211691405eb6SFlorian Fainelliconfig CPU_R4K_FPU 211791405eb6SFlorian Fainelli bool 211891405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 211991405eb6SFlorian Fainelli 212062cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 212162cedc4fSFlorian Fainelli bool 212262cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 212362cedc4fSFlorian Fainelli 212459d6ab86SRalf Baechleconfig MIPS_MT_SMP 2125a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 21265676319cSMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 212759d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2128d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2129c080faa5SSteven J. Hill select SYNC_R4K 21300c2cb004SPaul Burton select MIPS_GIC_IPI 213159d6ab86SRalf Baechle select MIPS_MT 213259d6ab86SRalf Baechle select SMP 213387353d8aSRalf Baechle select SMP_UP 2134c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2135c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2136399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 213759d6ab86SRalf Baechle help 2138c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2139c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2140c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2141c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2142c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 214359d6ab86SRalf Baechle 2144f41ae0b2SRalf Baechleconfig MIPS_MT 2145f41ae0b2SRalf Baechle bool 2146f41ae0b2SRalf Baechle 21470ab7aefcSRalf Baechleconfig SCHED_SMT 21480ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 21490ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 21500ab7aefcSRalf Baechle default n 21510ab7aefcSRalf Baechle help 21520ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 21530ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 21540ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 21550ab7aefcSRalf Baechle 21560ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 21570ab7aefcSRalf Baechle bool 21580ab7aefcSRalf Baechle 2159f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2160f41ae0b2SRalf Baechle bool 2161f41ae0b2SRalf Baechle 2162f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2163f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2164f088fc84SRalf Baechle default y 2165b633648cSRalf Baechle depends on MIPS_MT_SMP 216607cc0c9eSRalf Baechle 2167b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2168b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 2169b0a668fbSLeonid Yegoshin depends on CPU_MIPSR6 && !SMP 2170b0a668fbSLeonid Yegoshin default y 2171b0a668fbSLeonid Yegoshin help 2172b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2173b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 217407edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2175b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2176b0a668fbSLeonid Yegoshin final kernel image. 2177b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels" 2178b0a668fbSLeonid Yegoshin depends on SMP && CPU_MIPSR6 2179b0a668fbSLeonid Yegoshin 218007cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 218107cc0c9eSRalf Baechle bool "VPE loader support." 2182704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 218307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 218407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 218507cc0c9eSRalf Baechle select MIPS_MT 218607cc0c9eSRalf Baechle help 218707cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 218807cc0c9eSRalf Baechle onto another VPE and running it. 2189f088fc84SRalf Baechle 219017a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 219117a1d523SDeng-Cheng Zhu bool 219217a1d523SDeng-Cheng Zhu default "y" 219317a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 219417a1d523SDeng-Cheng Zhu 21951a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 21961a2a6d7eSDeng-Cheng Zhu bool 21971a2a6d7eSDeng-Cheng Zhu default "y" 21981a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 21991a2a6d7eSDeng-Cheng Zhu 2200e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2201e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2202e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2203e01402b1SRalf Baechle default y 2204e01402b1SRalf Baechle help 2205e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2206e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2207e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2208e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2209e01402b1SRalf Baechle 2210e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2211e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2212e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 22135e83d430SRalf Baechle help 2214e01402b1SRalf Baechle 2215da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2216da615cf6SDeng-Cheng Zhu bool 2217da615cf6SDeng-Cheng Zhu default "y" 2218da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2219da615cf6SDeng-Cheng Zhu 22202c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 22212c973ef0SDeng-Cheng Zhu bool 22222c973ef0SDeng-Cheng Zhu default "y" 22232c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 22242c973ef0SDeng-Cheng Zhu 22254a16ff4cSRalf Baechleconfig MIPS_CMP 22265cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 22275676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 222872e20142SPaul Burton select MIPS_GIC_IPI 2229b10b43baSMarkos Chandras select SMP 2230eb9b5141STim Anderson select SYNC_R4K 2231b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 22324a16ff4cSRalf Baechle select WEAK_ORDERING 22334a16ff4cSRalf Baechle default n 22344a16ff4cSRalf Baechle help 2235044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2236044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2237044505c7SPaul Burton its ability to start secondary CPUs. 22384a16ff4cSRalf Baechle 22395cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 22405cac93b3SPaul Burton instead of this. 22415cac93b3SPaul Burton 22420ee958e1SPaul Burtonconfig MIPS_CPS 22430ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 22445676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6 22450ee958e1SPaul Burton select MIPS_CM 22460ee958e1SPaul Burton select MIPS_CPC 22471d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 22480ee958e1SPaul Burton select MIPS_GIC_IPI 22490ee958e1SPaul Burton select SMP 22500ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 22511d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 22520ee958e1SPaul Burton select SYS_SUPPORTS_SMP 22530ee958e1SPaul Burton select WEAK_ORDERING 22540ee958e1SPaul Burton help 22550ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 22560ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 22570ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 22580ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 22590ee958e1SPaul Burton support is unavailable. 22600ee958e1SPaul Burton 22613179d37eSPaul Burtonconfig MIPS_CPS_PM 226239a59593SMarkos Chandras depends on MIPS_CPS 2263a8b84677SPaul Burton select MIPS_CPC 22643179d37eSPaul Burton bool 22653179d37eSPaul Burton 226672e20142SPaul Burtonconfig MIPS_GIC_IPI 226772e20142SPaul Burton bool 226872e20142SPaul Burton 22699f98f3ddSPaul Burtonconfig MIPS_CM 22709f98f3ddSPaul Burton bool 22719f98f3ddSPaul Burton 22729c38cf44SPaul Burtonconfig MIPS_CPC 22739c38cf44SPaul Burton bool 22742600990eSRalf Baechle 22751da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 22761da177e4SLinus Torvalds bool 22771da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 22781da177e4SLinus Torvalds default y 22791da177e4SLinus Torvalds 22801da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 22811da177e4SLinus Torvalds bool 22821da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 22831da177e4SLinus Torvalds default y 22841da177e4SLinus Torvalds 22852235a54dSSanjay Lal 228660ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 228734adb28dSRalf Baechle bool 228860ec6571Spascal@pabr.org 22899e2b5372SMarkos Chandraschoice 22909e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 22919e2b5372SMarkos Chandras 22929e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 22939e2b5372SMarkos Chandras bool "None" 22949e2b5372SMarkos Chandras help 22959e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 22969e2b5372SMarkos Chandras 22979693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 22989693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 22999e2b5372SMarkos Chandras bool "SmartMIPS" 23009693a853SFranck Bui-Huu help 23019693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 23029693a853SFranck Bui-Huu increased security at both hardware and software level for 23039693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 23049693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 23059693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 23069693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 23079693a853SFranck Bui-Huu here. 23089693a853SFranck Bui-Huu 2309bce86083SSteven J. Hillconfig CPU_MICROMIPS 23107fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 23119e2b5372SMarkos Chandras bool "microMIPS" 2312bce86083SSteven J. Hill help 2313bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2314bce86083SSteven J. Hill microMIPS ISA 2315bce86083SSteven J. Hill 23169e2b5372SMarkos Chandrasendchoice 23179e2b5372SMarkos Chandras 2318a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 23190ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2320a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 23212a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2322a5e9a69eSPaul Burton help 2323a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2324a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 23251db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 23261db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 23271db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 23281db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 23291db1af84SPaul Burton the size & complexity of your kernel. 2330a5e9a69eSPaul Burton 2331a5e9a69eSPaul Burton If unsure, say Y. 2332a5e9a69eSPaul Burton 23331da177e4SLinus Torvaldsconfig CPU_HAS_WB 2334f7062ddbSRalf Baechle bool 2335e01402b1SRalf Baechle 2336df0ac8a4SKevin Cernekeeconfig XKS01 2337df0ac8a4SKevin Cernekee bool 2338df0ac8a4SKevin Cernekee 2339f41ae0b2SRalf Baechle# 2340f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2341f41ae0b2SRalf Baechle# 2342e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2343f41ae0b2SRalf Baechle bool 2344e01402b1SRalf Baechle 2345f41ae0b2SRalf Baechle# 2346f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2347f41ae0b2SRalf Baechle# 2348e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2349f41ae0b2SRalf Baechle bool 2350e01402b1SRalf Baechle 23511da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 23521da177e4SLinus Torvalds bool 23531da177e4SLinus Torvalds depends on !CPU_R3000 23541da177e4SLinus Torvalds default y 23551da177e4SLinus Torvalds 23561da177e4SLinus Torvalds# 235720d60d99SMaciej W. Rozycki# CPU non-features 235820d60d99SMaciej W. Rozycki# 235920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 236020d60d99SMaciej W. Rozycki bool 236120d60d99SMaciej W. Rozycki 236220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 236320d60d99SMaciej W. Rozycki bool 236420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 236520d60d99SMaciej W. Rozycki 236620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 236720d60d99SMaciej W. Rozycki bool 236820d60d99SMaciej W. Rozycki 236920d60d99SMaciej W. Rozycki# 23701da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 23711da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 23721da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 23731da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 23741da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 23751da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 23761da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 23771da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2378797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2379797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2380797798c1SRalf Baechle# support. 23811da177e4SLinus Torvalds# 23821da177e4SLinus Torvaldsconfig HIGHMEM 23831da177e4SLinus Torvalds bool "High Memory Support" 2384a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2385797798c1SRalf Baechle 2386797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2387797798c1SRalf Baechle bool 2388797798c1SRalf Baechle 2389797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2390797798c1SRalf Baechle bool 23911da177e4SLinus Torvalds 23929693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 23939693a853SFranck Bui-Huu bool 23949693a853SFranck Bui-Huu 2395a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2396a6a4834cSSteven J. Hill bool 2397a6a4834cSSteven J. Hill 2398377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2399377cb1b6SRalf Baechle bool 2400377cb1b6SRalf Baechle help 2401377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2402377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2403377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2404377cb1b6SRalf Baechle 2405a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2406a5e9a69eSPaul Burton bool 2407a5e9a69eSPaul Burton 2408b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2409b4819b59SYoichi Yuasa def_bool y 2410f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2411b4819b59SYoichi Yuasa 2412d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2413d8cb4e11SRalf Baechle bool 2414d8cb4e11SRalf Baechle default y if SGI_IP27 2415d8cb4e11SRalf Baechle help 24163dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2417d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2418d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2419d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2420d8cb4e11SRalf Baechle 2421b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2422b1c6cd42SAtsushi Nemoto bool 24237de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 242431473747SAtsushi Nemoto 2425d8cb4e11SRalf Baechleconfig NUMA 2426d8cb4e11SRalf Baechle bool "NUMA Support" 2427d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2428d8cb4e11SRalf Baechle help 2429d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2430d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2431d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2432d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2433d8cb4e11SRalf Baechle disabled. 2434d8cb4e11SRalf Baechle 2435d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2436d8cb4e11SRalf Baechle bool 2437d8cb4e11SRalf Baechle 2438c80d79d7SYasunori Gotoconfig NODES_SHIFT 2439c80d79d7SYasunori Goto int 2440c80d79d7SYasunori Goto default "6" 2441c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2442c80d79d7SYasunori Goto 244314f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 244414f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2445f14ceff7SHuacai Chen depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 244614f70012SDeng-Cheng Zhu default y 244714f70012SDeng-Cheng Zhu help 244814f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 244914f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 245014f70012SDeng-Cheng Zhu 2451b4819b59SYoichi Yuasasource "mm/Kconfig" 2452b4819b59SYoichi Yuasa 24531da177e4SLinus Torvaldsconfig SMP 24541da177e4SLinus Torvalds bool "Multi-Processing support" 2455e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2456e73ea273SRalf Baechle help 24571da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 24584a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 24594a474157SRobert Graffham than one CPU, say Y. 24601da177e4SLinus Torvalds 24614a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 24621da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 24631da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 24644a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 24651da177e4SLinus Torvalds will run faster if you say N here. 24661da177e4SLinus Torvalds 24671da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 24681da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 24691da177e4SLinus Torvalds 247003502faaSAdrian Bunk See also the SMP-HOWTO available at 247103502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 24721da177e4SLinus Torvalds 24731da177e4SLinus Torvalds If you don't know what to do here, say N. 24741da177e4SLinus Torvalds 247587353d8aSRalf Baechleconfig SMP_UP 247687353d8aSRalf Baechle bool 247787353d8aSRalf Baechle 24784a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 24794a16ff4cSRalf Baechle bool 24804a16ff4cSRalf Baechle 24810ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 24820ee958e1SPaul Burton bool 24830ee958e1SPaul Burton 2484e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2485e73ea273SRalf Baechle bool 2486e73ea273SRalf Baechle 2487130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2488130e2fb7SRalf Baechle bool 2489130e2fb7SRalf Baechle 2490130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2491130e2fb7SRalf Baechle bool 2492130e2fb7SRalf Baechle 2493130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2494130e2fb7SRalf Baechle bool 2495130e2fb7SRalf Baechle 2496130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2497130e2fb7SRalf Baechle bool 2498130e2fb7SRalf Baechle 2499130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2500130e2fb7SRalf Baechle bool 2501130e2fb7SRalf Baechle 25021da177e4SLinus Torvaldsconfig NR_CPUS 2503a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2504a91796a9SJayachandran C range 2 256 25051da177e4SLinus Torvalds depends on SMP 2506130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2507130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2508130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2509130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2510130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 25111da177e4SLinus Torvalds help 25121da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 25131da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 25141da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 251572ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 251672ede9b1SAtsushi Nemoto and 2 for all others. 25171da177e4SLinus Torvalds 25181da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 251972ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 252072ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 252172ede9b1SAtsushi Nemoto power of two. 25221da177e4SLinus Torvalds 2523399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2524399aaa25SAl Cooper bool 2525399aaa25SAl Cooper 25261723b4a3SAtsushi Nemoto# 25271723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 25281723b4a3SAtsushi Nemoto# 25291723b4a3SAtsushi Nemoto 25301723b4a3SAtsushi Nemotochoice 25311723b4a3SAtsushi Nemoto prompt "Timer frequency" 25321723b4a3SAtsushi Nemoto default HZ_250 25331723b4a3SAtsushi Nemoto help 25341723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 25351723b4a3SAtsushi Nemoto 253667596573SPaul Burton config HZ_24 253767596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 253867596573SPaul Burton 25391723b4a3SAtsushi Nemoto config HZ_48 25400f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 25411723b4a3SAtsushi Nemoto 25421723b4a3SAtsushi Nemoto config HZ_100 25431723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 25441723b4a3SAtsushi Nemoto 25451723b4a3SAtsushi Nemoto config HZ_128 25461723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 25471723b4a3SAtsushi Nemoto 25481723b4a3SAtsushi Nemoto config HZ_250 25491723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 25501723b4a3SAtsushi Nemoto 25511723b4a3SAtsushi Nemoto config HZ_256 25521723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 25531723b4a3SAtsushi Nemoto 25541723b4a3SAtsushi Nemoto config HZ_1000 25551723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 25561723b4a3SAtsushi Nemoto 25571723b4a3SAtsushi Nemoto config HZ_1024 25581723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 25591723b4a3SAtsushi Nemoto 25601723b4a3SAtsushi Nemotoendchoice 25611723b4a3SAtsushi Nemoto 256267596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 256367596573SPaul Burton bool 256467596573SPaul Burton 25651723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 25661723b4a3SAtsushi Nemoto bool 25671723b4a3SAtsushi Nemoto 25681723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 25691723b4a3SAtsushi Nemoto bool 25701723b4a3SAtsushi Nemoto 25711723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 25721723b4a3SAtsushi Nemoto bool 25731723b4a3SAtsushi Nemoto 25741723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 25751723b4a3SAtsushi Nemoto bool 25761723b4a3SAtsushi Nemoto 25771723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 25781723b4a3SAtsushi Nemoto bool 25791723b4a3SAtsushi Nemoto 25801723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 25811723b4a3SAtsushi Nemoto bool 25821723b4a3SAtsushi Nemoto 25831723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 25841723b4a3SAtsushi Nemoto bool 25851723b4a3SAtsushi Nemoto 25861723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 25871723b4a3SAtsushi Nemoto bool 258867596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 258967596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 259067596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 259167596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 259267596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 259367596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 259467596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 25951723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 25961723b4a3SAtsushi Nemoto 25971723b4a3SAtsushi Nemotoconfig HZ 25981723b4a3SAtsushi Nemoto int 259967596573SPaul Burton default 24 if HZ_24 26001723b4a3SAtsushi Nemoto default 48 if HZ_48 26011723b4a3SAtsushi Nemoto default 100 if HZ_100 26021723b4a3SAtsushi Nemoto default 128 if HZ_128 26031723b4a3SAtsushi Nemoto default 250 if HZ_250 26041723b4a3SAtsushi Nemoto default 256 if HZ_256 26051723b4a3SAtsushi Nemoto default 1000 if HZ_1000 26061723b4a3SAtsushi Nemoto default 1024 if HZ_1024 26071723b4a3SAtsushi Nemoto 260896685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 260996685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 261096685b17SDeng-Cheng Zhu 2611e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 26121da177e4SLinus Torvalds 2613ea6e942bSAtsushi Nemotoconfig KEXEC 26147d60717eSKees Cook bool "Kexec system call" 26152965faa5SDave Young select KEXEC_CORE 2616ea6e942bSAtsushi Nemoto help 2617ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2618ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 26193dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2620ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2621ea6e942bSAtsushi Nemoto 262201dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2623ea6e942bSAtsushi Nemoto 2624ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2625ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2626bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2627bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2628bf220695SGeert Uytterhoeven made. 2629ea6e942bSAtsushi Nemoto 26307aa1c8f4SRalf Baechleconfig CRASH_DUMP 26317aa1c8f4SRalf Baechle bool "Kernel crash dumps" 26327aa1c8f4SRalf Baechle help 26337aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 26347aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 26357aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 26367aa1c8f4SRalf Baechle a specially reserved region and then later executed after 26377aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 26387aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 26397aa1c8f4SRalf Baechle PHYSICAL_START. 26407aa1c8f4SRalf Baechle 26417aa1c8f4SRalf Baechleconfig PHYSICAL_START 26427aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 26437aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 26447aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 26457aa1c8f4SRalf Baechle depends on CRASH_DUMP 26467aa1c8f4SRalf Baechle help 26477aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 26487aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 26497aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 26507aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 26517aa1c8f4SRalf Baechle passed to the panic-ed kernel). 26527aa1c8f4SRalf Baechle 2653ea6e942bSAtsushi Nemotoconfig SECCOMP 2654ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2655293c5bd1SRalf Baechle depends on PROC_FS 2656ea6e942bSAtsushi Nemoto default y 2657ea6e942bSAtsushi Nemoto help 2658ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2659ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2660ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2661ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2662ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2663ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2664ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2665ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2666ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2667ea6e942bSAtsushi Nemoto 2668ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2669ea6e942bSAtsushi Nemoto 2670597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 26710ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2672597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2673597ce172SPaul Burton help 2674597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2675597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2676597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2677597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2678597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2679597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2680597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2681597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2682597ce172SPaul Burton saying N here. 2683597ce172SPaul Burton 268406e2e882SPaul Burton Although binutils currently supports use of this flag the details 268506e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 268606e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 268706e2e882SPaul Burton behaviour before the details have been finalised, this option should 268806e2e882SPaul Burton be considered experimental and only enabled by those working upon 268906e2e882SPaul Burton said details. 269006e2e882SPaul Burton 269106e2e882SPaul Burton If unsure, say N. 2692597ce172SPaul Burton 2693f2ffa5abSDezhong Diaoconfig USE_OF 26940b3e06fdSJonas Gorski bool 2695f2ffa5abSDezhong Diao select OF 2696e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2697abd2363fSGrant Likely select IRQ_DOMAIN 2698f2ffa5abSDezhong Diao 26997fafb068SAndrew Brestickerconfig BUILTIN_DTB 27007fafb068SAndrew Bresticker bool 27017fafb068SAndrew Bresticker 27021da8f179SJonas Gorskichoice 27031da8f179SJonas Gorski prompt "Kernel appended dtb support" if OF 27041da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 27051da8f179SJonas Gorski 27061da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 27071da8f179SJonas Gorski bool "None" 27081da8f179SJonas Gorski help 27091da8f179SJonas Gorski Do not enable appended dtb support. 27101da8f179SJonas Gorski 27111da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 27121da8f179SJonas Gorski bool "vmlinux.bin" 27131da8f179SJonas Gorski help 27141da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 27151da8f179SJonas Gorski DTB) appended to raw vmlinux.bin (without decompressor). 27161da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 27171da8f179SJonas Gorski 27181da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 27191da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 27201da8f179SJonas Gorski the documented boot protocol using a device tree. 27211da8f179SJonas Gorski 27221da8f179SJonas Gorski Beware that there is very little in terms of protection against 27231da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 27241da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 27251da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 27261da8f179SJonas Gorski if you don't intend to always append a DTB. 2727c0b4e101SJonas Gorski 2728c0b4e101SJonas Gorski config MIPS_ZBOOT_APPENDED_DTB 2729c0b4e101SJonas Gorski bool "vmlinuz.bin" 2730c0b4e101SJonas Gorski depends on SYS_SUPPORTS_ZBOOT 2731c0b4e101SJonas Gorski help 2732c0b4e101SJonas Gorski With this option, the boot code will look for a device tree binary 2733c0b4e101SJonas Gorski DTB) appended to raw vmlinuz.bin (with decompressor). 2734c0b4e101SJonas Gorski (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb). 2735c0b4e101SJonas Gorski 2736c0b4e101SJonas Gorski This is meant as a backward compatibility convenience for those 2737c0b4e101SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 2738c0b4e101SJonas Gorski the documented boot protocol using a device tree. 2739c0b4e101SJonas Gorski 2740c0b4e101SJonas Gorski Beware that there is very little in terms of protection against 2741c0b4e101SJonas Gorski this option being confused by leftover garbage in memory that might 2742c0b4e101SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 2743c0b4e101SJonas Gorski to vmlinuz.bin. Do not leave this option active in a production kernel 2744c0b4e101SJonas Gorski if you don't intend to always append a DTB. 27451da8f179SJonas Gorskiendchoice 27461da8f179SJonas Gorski 27475e83d430SRalf Baechleendmenu 27485e83d430SRalf Baechle 27491df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 27501df0f0ffSAtsushi Nemoto bool 27511df0f0ffSAtsushi Nemoto default y 27521df0f0ffSAtsushi Nemoto 27531df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 27541df0f0ffSAtsushi Nemoto bool 27551df0f0ffSAtsushi Nemoto default y 27561df0f0ffSAtsushi Nemoto 2757a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2758a728ab52SKirill A. Shutemov int 2759a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2760a728ab52SKirill A. Shutemov default 2 2761a728ab52SKirill A. Shutemov 2762b6c3539bSRalf Baechlesource "init/Kconfig" 2763b6c3539bSRalf Baechle 2764dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2765dc52ddc0SMatt Helsley 27661da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 27671da177e4SLinus Torvalds 27685e83d430SRalf Baechleconfig HW_HAS_EISA 27695e83d430SRalf Baechle bool 27701da177e4SLinus Torvaldsconfig HW_HAS_PCI 27711da177e4SLinus Torvalds bool 27721da177e4SLinus Torvalds 27731da177e4SLinus Torvaldsconfig PCI 27741da177e4SLinus Torvalds bool "Support for PCI controller" 27751da177e4SLinus Torvalds depends on HW_HAS_PCI 2776abb4ae46SRalf Baechle select PCI_DOMAINS 27770f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 27781da177e4SLinus Torvalds help 27791da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 27801da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 27811da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 27821da177e4SLinus Torvalds say Y, otherwise N. 27831da177e4SLinus Torvalds 27840e476d91SHuacai Chenconfig HT_PCI 27850e476d91SHuacai Chen bool "Support for HT-linked PCI" 27860e476d91SHuacai Chen default y 27870e476d91SHuacai Chen depends on CPU_LOONGSON3 27880e476d91SHuacai Chen select PCI 27890e476d91SHuacai Chen select PCI_DOMAINS 27900e476d91SHuacai Chen help 27910e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 27920e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 27930e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 27940e476d91SHuacai Chen 27951da177e4SLinus Torvaldsconfig PCI_DOMAINS 27961da177e4SLinus Torvalds bool 27971da177e4SLinus Torvalds 27981da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 27991da177e4SLinus Torvalds 28003f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 28013f787ca4SJonas Gorski 28021da177e4SLinus Torvalds# 28031da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 28041da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 28051da177e4SLinus Torvalds# users to choose the right thing ... 28061da177e4SLinus Torvalds# 28071da177e4SLinus Torvaldsconfig ISA 28081da177e4SLinus Torvalds bool 28091da177e4SLinus Torvalds 28101da177e4SLinus Torvaldsconfig EISA 28111da177e4SLinus Torvalds bool "EISA support" 28125e83d430SRalf Baechle depends on HW_HAS_EISA 28131da177e4SLinus Torvalds select ISA 2814aa414dffSRalf Baechle select GENERIC_ISA_DMA 28151da177e4SLinus Torvalds ---help--- 28161da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 28171da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 28181da177e4SLinus Torvalds 28191da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 28201da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 28211da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 28221da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 28231da177e4SLinus Torvalds 28241da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 28251da177e4SLinus Torvalds 28261da177e4SLinus Torvalds Otherwise, say N. 28271da177e4SLinus Torvalds 28281da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 28291da177e4SLinus Torvalds 28301da177e4SLinus Torvaldsconfig TC 28311da177e4SLinus Torvalds bool "TURBOchannel support" 28321da177e4SLinus Torvalds depends on MACH_DECSTATION 28331da177e4SLinus Torvalds help 283450a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 283550a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 283650a23e6eSJustin P. Mattock at: 283750a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 283850a23e6eSJustin P. Mattock and: 283950a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 284050a23e6eSJustin P. Mattock Linux driver support status is documented at: 284150a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 28421da177e4SLinus Torvalds 28431da177e4SLinus Torvaldsconfig MMU 28441da177e4SLinus Torvalds bool 28451da177e4SLinus Torvalds default y 28461da177e4SLinus Torvalds 2847d865bea4SRalf Baechleconfig I8253 2848d865bea4SRalf Baechle bool 2849798778b8SRussell King select CLKSRC_I8253 28502d02612fSThomas Gleixner select CLKEVT_I8253 28519726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2852d865bea4SRalf Baechle 2853e05eb3f8SRalf Baechleconfig ZONE_DMA 2854e05eb3f8SRalf Baechle bool 2855e05eb3f8SRalf Baechle 2856cce335aeSRalf Baechleconfig ZONE_DMA32 2857cce335aeSRalf Baechle bool 2858cce335aeSRalf Baechle 28591da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 28601da177e4SLinus Torvalds 28611da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 28621da177e4SLinus Torvalds 2863388b78adSAlexandre Bounineconfig RAPIDIO 286456abde72SAlexandre Bounine tristate "RapidIO support" 2865388b78adSAlexandre Bounine depends on PCI 2866388b78adSAlexandre Bounine default n 2867388b78adSAlexandre Bounine help 2868388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2869388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2870388b78adSAlexandre Bounine 2871388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2872388b78adSAlexandre Bounine 28731da177e4SLinus Torvaldsendmenu 28741da177e4SLinus Torvalds 28751da177e4SLinus Torvaldsmenu "Executable file formats" 28761da177e4SLinus Torvalds 28771da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 28781da177e4SLinus Torvalds 28791da177e4SLinus Torvaldsconfig TRAD_SIGNALS 28801da177e4SLinus Torvalds bool 28811da177e4SLinus Torvalds 28821da177e4SLinus Torvaldsconfig MIPS32_COMPAT 288378aaf956SRalf Baechle bool 28841da177e4SLinus Torvalds 28851da177e4SLinus Torvaldsconfig COMPAT 28861da177e4SLinus Torvalds bool 28871da177e4SLinus Torvalds 288805e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 288905e43966SAtsushi Nemoto bool 289005e43966SAtsushi Nemoto 28911da177e4SLinus Torvaldsconfig MIPS32_O32 28921da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 289378aaf956SRalf Baechle depends on 64BIT 289478aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 289578aaf956SRalf Baechle select COMPAT 289678aaf956SRalf Baechle select MIPS32_COMPAT 289778aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 28981da177e4SLinus Torvalds help 28991da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 29001da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 29011da177e4SLinus Torvalds existing binaries are in this format. 29021da177e4SLinus Torvalds 29031da177e4SLinus Torvalds If unsure, say Y. 29041da177e4SLinus Torvalds 29051da177e4SLinus Torvaldsconfig MIPS32_N32 29061da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 2907c22eacfeSRalf Baechle depends on 64BIT 290878aaf956SRalf Baechle select COMPAT 290978aaf956SRalf Baechle select MIPS32_COMPAT 291078aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 29111da177e4SLinus Torvalds help 29121da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 29131da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 29141da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 29151da177e4SLinus Torvalds cases. 29161da177e4SLinus Torvalds 29171da177e4SLinus Torvalds If unsure, say N. 29181da177e4SLinus Torvalds 29191da177e4SLinus Torvaldsconfig BINFMT_ELF32 29201da177e4SLinus Torvalds bool 29211da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 29221da177e4SLinus Torvalds 29232116245eSRalf Baechleendmenu 29241da177e4SLinus Torvalds 29252116245eSRalf Baechlemenu "Power management options" 2926952fa954SRodolfo Giometti 2927363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2928363c55caSWu Zhangjin def_bool y 29293f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2930363c55caSWu Zhangjin 2931f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2932f4cb5700SJohannes Berg def_bool y 29333f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2934f4cb5700SJohannes Berg 29352116245eSRalf Baechlesource "kernel/power/Kconfig" 2936952fa954SRodolfo Giometti 29371da177e4SLinus Torvaldsendmenu 29381da177e4SLinus Torvalds 29397a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 29407a998935SViresh Kumar bool 29417a998935SViresh Kumar 29427a998935SViresh Kumarmenu "CPU Power Management" 2943c095ebafSPaul Burton 2944c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 29457a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 29467a998935SViresh Kumarendif 29479726b43aSWu Zhangjin 2948c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2949c095ebafSPaul Burton 2950c095ebafSPaul Burtonendmenu 2951c095ebafSPaul Burton 2952d5950b43SSam Ravnborgsource "net/Kconfig" 2953d5950b43SSam Ravnborg 29541da177e4SLinus Torvaldssource "drivers/Kconfig" 29551da177e4SLinus Torvalds 295698cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 295798cdee0eSRalf Baechle 29581da177e4SLinus Torvaldssource "fs/Kconfig" 29591da177e4SLinus Torvalds 29601da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 29611da177e4SLinus Torvalds 29621da177e4SLinus Torvaldssource "security/Kconfig" 29631da177e4SLinus Torvalds 29641da177e4SLinus Torvaldssource "crypto/Kconfig" 29651da177e4SLinus Torvalds 29661da177e4SLinus Torvaldssource "lib/Kconfig" 29672235a54dSSanjay Lal 29682235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2969