11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 4a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 5393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 6c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 7f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 8ec7748b5SSam Ravnborg select HAVE_IDE 942d4b839SMathieu Desnoyers select HAVE_OPROFILE 107f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 117f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1288547001SJason Wessel select HAVE_ARCH_KGDB 13490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 14c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 153f5fdb4bSMarkos Chandras select HAVE_BPF_JIT if !CPU_MICROMIPS 167563bbf8SMark Brown select ARCH_HAVE_CUSTOM_GPIO_H 17d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 18538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 19538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2064575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2129c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 22c1bf207dSDavid Daney select HAVE_KPROBES 23c1bf207dSDavid Daney select HAVE_KRETPROBES 24b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 251d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 26e26d196cSDavid Daney select ARCH_BINFMT_ELF_RANDOMIZE_PIE 27383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 2821a41faaSWu Zhangjin select RTC_LIB if !MACH_LOONGSON 292b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 307463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 3148e1fd5aSDavid Daney select HAVE_DMA_ATTRS 32f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3348e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 343bd27e32SDavid Daney select GENERIC_IRQ_PROBE 35f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 3678857614SMarkos Chandras select GENERIC_PCI_IOMAP 3794bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 38c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 390f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 409d15ffc8STejun Heo select HAVE_MEMBLOCK 419d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 429d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 43360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 444b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 45cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 46cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 47786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 484febd95aSStephen Rothwell select VIRT_TO_BUS 492f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 502f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5150150d2bSAl Viro select CLONE_BACKWARDS 52d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5319952a92SKees Cook select HAVE_CC_STACKPROTECTOR 54b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 55cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 5690cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 571da177e4SLinus Torvalds 581da177e4SLinus Torvaldsmenu "Machine selection" 591da177e4SLinus Torvalds 605e83d430SRalf Baechlechoice 615e83d430SRalf Baechle prompt "System type" 625e83d430SRalf Baechle default SGI_IP22 631da177e4SLinus Torvalds 6442a4f17dSManuel Laussconfig MIPS_ALCHEMY 65c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 6642a4f17dSManuel Lauss select 64BIT_PHYS_ADDR 67f772cdb2SRalf Baechle select CEVT_R4K 68d7ea335cSSteven J. Hill select CSRC_R4K 6942a4f17dSManuel Lauss select IRQ_CPU 7088e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 7142a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 7242a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 7342a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 74efb12436SAlexandre Courbot select ARCH_REQUIRE_GPIOLIB 751b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 7647440229SManuel Lauss select COMMON_CLK 771da177e4SLinus Torvalds 787ca5dc14SFlorian Fainelliconfig AR7 797ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 807ca5dc14SFlorian Fainelli select BOOT_ELF32 817ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 827ca5dc14SFlorian Fainelli select CEVT_R4K 837ca5dc14SFlorian Fainelli select CSRC_R4K 847ca5dc14SFlorian Fainelli select IRQ_CPU 857ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 867ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 877ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 887ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 897ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 907ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 91377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 921b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 935f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 947ca5dc14SFlorian Fainelli select VLYNQ 958551fb64SYoichi Yuasa select HAVE_CLK 967ca5dc14SFlorian Fainelli help 977ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 987ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 997ca5dc14SFlorian Fainelli 100d4a67d9dSGabor Juhosconfig ATH79 101d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 1026eae43c5SGabor Juhos select ARCH_REQUIRE_GPIOLIB 103d4a67d9dSGabor Juhos select BOOT_RAW 104d4a67d9dSGabor Juhos select CEVT_R4K 105d4a67d9dSGabor Juhos select CSRC_R4K 106d4a67d9dSGabor Juhos select DMA_NONCOHERENT 10794638067SGabor Juhos select HAVE_CLK 1082c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 109d4a67d9dSGabor Juhos select IRQ_CPU 1100aabf1a4SGabor Juhos select MIPS_MACHINE 111d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 112d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 113d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 114d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 115377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 116d4a67d9dSGabor Juhos help 117d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 118d4a67d9dSGabor Juhos 119d666cd02SKevin Cernekeeconfig BCM3384 120d666cd02SKevin Cernekee bool "Broadcom BCM3384 based boards" 121d666cd02SKevin Cernekee select BOOT_RAW 122d666cd02SKevin Cernekee select NO_EXCEPT_FILL 123d666cd02SKevin Cernekee select USE_OF 124d666cd02SKevin Cernekee select CEVT_R4K 125d666cd02SKevin Cernekee select CSRC_R4K 126d666cd02SKevin Cernekee select SYNC_R4K 127d666cd02SKevin Cernekee select COMMON_CLK 128d666cd02SKevin Cernekee select DMA_NONCOHERENT 129d666cd02SKevin Cernekee select IRQ_CPU 130d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 131d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 132d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 133d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 134d666cd02SKevin Cernekee select SWAP_IO_SPACE 135d666cd02SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC 136d666cd02SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO 137d666cd02SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC 138d666cd02SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO 139d666cd02SKevin Cernekee help 140d666cd02SKevin Cernekee Support for BCM3384 based boards. BCM3384/BCM33843 is a cable modem 141d666cd02SKevin Cernekee chipset with a Linux application processor that is often used to 142d666cd02SKevin Cernekee provide Samba services, a CUPS print server, and/or advanced routing 143d666cd02SKevin Cernekee features. 144d666cd02SKevin Cernekee 1451c0c13ebSAurelien Jarnoconfig BCM47XX 146c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 1472da4c74dSHauke Mehrtens select ARCH_WANT_OPTIONAL_GPIOLIB 148fe08f8c2SHauke Mehrtens select BOOT_RAW 14942f77542SRalf Baechle select CEVT_R4K 150940f6b48SRalf Baechle select CSRC_R4K 1511c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1521c0c13ebSAurelien Jarno select HW_HAS_PCI 1531c0c13ebSAurelien Jarno select IRQ_CPU 154314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 155dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1561c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1571c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 158377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 15925e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 160e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 161c949c0bcSRafał Miłecki select GPIOLIB 162c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 1631c0c13ebSAurelien Jarno help 1641c0c13ebSAurelien Jarno Support for BCM47XX based boards 1651c0c13ebSAurelien Jarno 166e7300d04SMaxime Bizonconfig BCM63XX 167e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 168ae8de61cSFlorian Fainelli select BOOT_RAW 169e7300d04SMaxime Bizon select CEVT_R4K 170e7300d04SMaxime Bizon select CSRC_R4K 171fc264022SJonas Gorski select SYNC_R4K 172e7300d04SMaxime Bizon select DMA_NONCOHERENT 173e7300d04SMaxime Bizon select IRQ_CPU 174e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 175e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 176e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 177e7300d04SMaxime Bizon select SWAP_IO_SPACE 178e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 1793e82eeebSYoichi Yuasa select HAVE_CLK 180af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 181e7300d04SMaxime Bizon help 182e7300d04SMaxime Bizon Support for BCM63XX based boards 183e7300d04SMaxime Bizon 1841da177e4SLinus Torvaldsconfig MIPS_COBALT 1853fa986faSMartin Michlmayr bool "Cobalt Server" 18642f77542SRalf Baechle select CEVT_R4K 187940f6b48SRalf Baechle select CSRC_R4K 1881097c6acSYoichi Yuasa select CEVT_GT641XX 1891da177e4SLinus Torvalds select DMA_NONCOHERENT 1901da177e4SLinus Torvalds select HW_HAS_PCI 191d865bea4SRalf Baechle select I8253 1921da177e4SLinus Torvalds select I8259 1931da177e4SLinus Torvalds select IRQ_CPU 194d5ab1a69SYoichi Yuasa select IRQ_GT641XX 195252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 196e25bfc92SYoichi Yuasa select PCI 1977cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1980a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 199ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2000e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2015e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 202e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2031da177e4SLinus Torvalds 2041da177e4SLinus Torvaldsconfig MACH_DECSTATION 2053fa986faSMartin Michlmayr bool "DECstations" 2061da177e4SLinus Torvalds select BOOT_ELF32 2076457d9fcSYoichi Yuasa select CEVT_DS1287 20881d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2094247417dSYoichi Yuasa select CSRC_IOASIC 21081d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 21120d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 21220d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 21320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 2141da177e4SLinus Torvalds select DMA_NONCOHERENT 215ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 2161da177e4SLinus Torvalds select IRQ_CPU 2177cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 2187cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 219ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2207d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2215e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2221723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 2231723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 2241723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 225930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2265e83d430SRalf Baechle help 2271da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2281da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2291da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2301da177e4SLinus Torvalds 2311da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2321da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2331da177e4SLinus Torvalds 2341da177e4SLinus Torvalds DECstation 5000/50 2351da177e4SLinus Torvalds DECstation 5000/150 2361da177e4SLinus Torvalds DECstation 5000/260 2371da177e4SLinus Torvalds DECsystem 5900/260 2381da177e4SLinus Torvalds 2391da177e4SLinus Torvalds otherwise choose R3000. 2401da177e4SLinus Torvalds 2415e83d430SRalf Baechleconfig MACH_JAZZ 2423fa986faSMartin Michlmayr bool "Jazz family of machines" 2430e2794b0SRalf Baechle select FW_ARC 2440e2794b0SRalf Baechle select FW_ARC32 2455e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 24642f77542SRalf Baechle select CEVT_R4K 247940f6b48SRalf Baechle select CSRC_R4K 248e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2495e83d430SRalf Baechle select GENERIC_ISA_DMA 2508a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 251ea202c63SThomas Bogendoerfer select IRQ_CPU 252d865bea4SRalf Baechle select I8253 2535e83d430SRalf Baechle select I8259 2545e83d430SRalf Baechle select ISA 2557cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2565e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2577d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2581723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2591da177e4SLinus Torvalds help 2605e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2615e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 262692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 2635e83d430SRalf Baechle Olivetti M700-10 workstations. 2645e83d430SRalf Baechle 2655ebabe59SLars-Peter Clausenconfig MACH_JZ4740 2665ebabe59SLars-Peter Clausen bool "Ingenic JZ4740 based machines" 2675ebabe59SLars-Peter Clausen select SYS_HAS_CPU_MIPS32_R1 2685ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 2695ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 270f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 2715ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 2725ebabe59SLars-Peter Clausen select IRQ_CPU 2735ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 2745ebabe59SLars-Peter Clausen select SYS_HAS_EARLY_PRINTK 275ab5330ebSMaurus Cuelenaere select HAVE_CLK 27683bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 2775ebabe59SLars-Peter Clausen 278171bb2f1SJohn Crispinconfig LANTIQ 279171bb2f1SJohn Crispin bool "Lantiq based platforms" 280171bb2f1SJohn Crispin select DMA_NONCOHERENT 281171bb2f1SJohn Crispin select IRQ_CPU 282171bb2f1SJohn Crispin select CEVT_R4K 283171bb2f1SJohn Crispin select CSRC_R4K 284171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 285171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 286171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 287171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 288377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 289171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 290171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 291171bb2f1SJohn Crispin select ARCH_REQUIRE_GPIOLIB 292171bb2f1SJohn Crispin select SWAP_IO_SPACE 293171bb2f1SJohn Crispin select BOOT_RAW 294287e3f3fSJohn Crispin select HAVE_MACH_CLKDEV 295287e3f3fSJohn Crispin select CLKDEV_LOOKUP 296a0392222SJohn Crispin select USE_OF 2973f8c50c9SJohn Crispin select PINCTRL 2983f8c50c9SJohn Crispin select PINCTRL_LANTIQ 299*c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 300*c530781cSJohn Crispin select RESET_CONTROLLER 301171bb2f1SJohn Crispin 3021f21d2bdSBrian Murphyconfig LASAT 3031f21d2bdSBrian Murphy bool "LASAT Networks platforms" 30442f77542SRalf Baechle select CEVT_R4K 30516f0bbbcSRalf Baechle select CRC32 306940f6b48SRalf Baechle select CSRC_R4K 3071f21d2bdSBrian Murphy select DMA_NONCOHERENT 3081f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3091f21d2bdSBrian Murphy select HW_HAS_PCI 310a5ccfe5cSRalf Baechle select IRQ_CPU 3111f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 3121f21d2bdSBrian Murphy select MIPS_NILE4 3131f21d2bdSBrian Murphy select R5000_CPU_SCACHE 3141f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 3151f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 3161f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 3171f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 3181f21d2bdSBrian Murphy 31985749d24SWu Zhangjinconfig MACH_LOONGSON 32085749d24SWu Zhangjin bool "Loongson family of machines" 321c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 322ade299d8SYoichi Yuasa help 32385749d24SWu Zhangjin This enables the support of Loongson family of machines. 32485749d24SWu Zhangjin 32585749d24SWu Zhangjin Loongson is a family of general-purpose MIPS-compatible CPUs. 32685749d24SWu Zhangjin developed at Institute of Computing Technology (ICT), 32785749d24SWu Zhangjin Chinese Academy of Sciences (CAS) in the People's Republic 32885749d24SWu Zhangjin of China. The chief architect is Professor Weiwu Hu. 329ade299d8SYoichi Yuasa 330ca585cf9SKelvin Cheungconfig MACH_LOONGSON1 331ca585cf9SKelvin Cheung bool "Loongson 1 family of machines" 332ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 333ca585cf9SKelvin Cheung help 334ca585cf9SKelvin Cheung This enables support for the Loongson 1 based machines. 335ca585cf9SKelvin Cheung 336ca585cf9SKelvin Cheung Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by 337ca585cf9SKelvin Cheung the ICT (Institute of Computing Technology) and the Chinese Academy 338ca585cf9SKelvin Cheung of Sciences. 339ca585cf9SKelvin Cheung 3401da177e4SLinus Torvaldsconfig MIPS_MALTA 3413fa986faSMartin Michlmayr bool "MIPS Malta board" 34261ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 3431da177e4SLinus Torvalds select BOOT_ELF32 344fa71c960SRalf Baechle select BOOT_RAW 34542f77542SRalf Baechle select CEVT_R4K 346940f6b48SRalf Baechle select CSRC_R4K 347fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 348885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 3491da177e4SLinus Torvalds select GENERIC_ISA_DMA 3508a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 351aa414dffSRalf Baechle select IRQ_CPU 3528a19b8f1SAndrew Bresticker select MIPS_GIC 3531da177e4SLinus Torvalds select HW_HAS_PCI 354d865bea4SRalf Baechle select I8253 3551da177e4SLinus Torvalds select I8259 3565e83d430SRalf Baechle select MIPS_BONITO64 3579318c51aSChris Dearman select MIPS_CPU_SCACHE 358a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 359252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3605e83d430SRalf Baechle select MIPS_MSC 3611da177e4SLinus Torvalds select SWAP_IO_SPACE 3627cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 3637cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 364bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 3657cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 3665d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 3677cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3687cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 369ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 370ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3715e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3725e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3730365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 374e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 375377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 376f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 3779693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 3781b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 3791da177e4SLinus Torvalds help 380f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 3811da177e4SLinus Torvalds board. 3821da177e4SLinus Torvalds 383ec47b274SSteven J. Hillconfig MIPS_SEAD3 384ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 385ec47b274SSteven J. Hill select BOOT_ELF32 386ec47b274SSteven J. Hill select BOOT_RAW 387f262b5f2SAndrew Bresticker select BUILTIN_DTB 388ec47b274SSteven J. Hill select CEVT_R4K 389ec47b274SSteven J. Hill select CSRC_R4K 390fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 391ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 392ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 393ec47b274SSteven J. Hill select DMA_NONCOHERENT 394ec47b274SSteven J. Hill select IRQ_CPU 3958a19b8f1SAndrew Bresticker select MIPS_GIC 39644327236SQais Yousef select LIBFDT 397ec47b274SSteven J. Hill select MIPS_MSC 398ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 399ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 400ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 401ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 402ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 403ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 404ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 405ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 406ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 407a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 408377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 409ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 410ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 4119b731009SSteven J. Hill select USE_OF 412ec47b274SSteven J. Hill help 413ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 414ec47b274SSteven J. Hill board. 415ec47b274SSteven J. Hill 416a83860c2SRalf Baechleconfig NEC_MARKEINS 417a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 418a83860c2SRalf Baechle select SOC_EMMA2RH 419a83860c2SRalf Baechle select HW_HAS_PCI 420a83860c2SRalf Baechle help 421a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 422ade299d8SYoichi Yuasa 4235e83d430SRalf Baechleconfig MACH_VR41XX 42474142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 42542f77542SRalf Baechle select CEVT_R4K 426940f6b48SRalf Baechle select CSRC_R4K 4277cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 428377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 42927fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 4305e83d430SRalf Baechle 431edb6310aSDaniel Lairdconfig NXP_STB220 432edb6310aSDaniel Laird bool "NXP STB220 board" 433edb6310aSDaniel Laird select SOC_PNX833X 434edb6310aSDaniel Laird help 435edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 436edb6310aSDaniel Laird 437edb6310aSDaniel Lairdconfig NXP_STB225 438edb6310aSDaniel Laird bool "NXP 225 board" 439edb6310aSDaniel Laird select SOC_PNX833X 440edb6310aSDaniel Laird select SOC_PNX8335 441edb6310aSDaniel Laird help 442edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 443edb6310aSDaniel Laird 4449267a30dSMarc St-Jeanconfig PMC_MSP 4459267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 44639d30c13SAnoop P A select CEVT_R4K 44739d30c13SAnoop P A select CSRC_R4K 4489267a30dSMarc St-Jean select DMA_NONCOHERENT 4499267a30dSMarc St-Jean select SWAP_IO_SPACE 4509267a30dSMarc St-Jean select NO_EXCEPT_FILL 4519267a30dSMarc St-Jean select BOOT_RAW 4529267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 4539267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 4549267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 4559267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 456377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 4579267a30dSMarc St-Jean select IRQ_CPU 4589267a30dSMarc St-Jean select SERIAL_8250 4599267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 4609296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 4619296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 4629267a30dSMarc St-Jean help 4639267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 4649267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 4659267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 4669267a30dSMarc St-Jean a variety of MIPS cores. 4679267a30dSMarc St-Jean 468ae2b5bb6SJohn Crispinconfig RALINK 469ae2b5bb6SJohn Crispin bool "Ralink based machines" 470ae2b5bb6SJohn Crispin select CEVT_R4K 471ae2b5bb6SJohn Crispin select CSRC_R4K 472ae2b5bb6SJohn Crispin select BOOT_RAW 473ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 474ae2b5bb6SJohn Crispin select IRQ_CPU 475ae2b5bb6SJohn Crispin select USE_OF 476ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 477ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 478ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 479ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 480377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 481ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 482ae2b5bb6SJohn Crispin select HAVE_MACH_CLKDEV 483ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 4842a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 4852a153f1cSJohn Crispin select RESET_CONTROLLER 486ae2b5bb6SJohn Crispin 4871da177e4SLinus Torvaldsconfig SGI_IP22 4883fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 4890e2794b0SRalf Baechle select FW_ARC 4900e2794b0SRalf Baechle select FW_ARC32 4911da177e4SLinus Torvalds select BOOT_ELF32 49242f77542SRalf Baechle select CEVT_R4K 493940f6b48SRalf Baechle select CSRC_R4K 494e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 4951da177e4SLinus Torvalds select DMA_NONCOHERENT 4965e83d430SRalf Baechle select HW_HAS_EISA 497d865bea4SRalf Baechle select I8253 49868de4803SThomas Bogendoerfer select I8259 4991da177e4SLinus Torvalds select IP22_CPU_SCACHE 5001da177e4SLinus Torvalds select IRQ_CPU 501aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 502e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 503e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 50436e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 505e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 506e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 507e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 5081da177e4SLinus Torvalds select SWAP_IO_SPACE 5097cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5107cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 5112b5e63f6SMartin Michlmayr # 5122b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5132b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5142b5e63f6SMartin Michlmayr # 5152b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5162b5e63f6SMartin Michlmayr # for a more details discussion 5172b5e63f6SMartin Michlmayr # 5182b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 519ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 520ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5215e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 522930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5231da177e4SLinus Torvalds help 5241da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 5251da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 5261da177e4SLinus Torvalds that runs on these, say Y here. 5271da177e4SLinus Torvalds 5281da177e4SLinus Torvaldsconfig SGI_IP27 5293fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 5300e2794b0SRalf Baechle select FW_ARC 5310e2794b0SRalf Baechle select FW_ARC64 5325e83d430SRalf Baechle select BOOT_ELF64 533e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 534634286f1SRalf Baechle select DMA_COHERENT 53536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 5361da177e4SLinus Torvalds select HW_HAS_PCI 537130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 5387cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 539ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5405e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 541d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 5421a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 543930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5441da177e4SLinus Torvalds help 5451da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 5461da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 5471da177e4SLinus Torvalds here. 5481da177e4SLinus Torvalds 549e2defae5SThomas Bogendoerferconfig SGI_IP28 5507d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 5510e2794b0SRalf Baechle select FW_ARC 5520e2794b0SRalf Baechle select FW_ARC64 553e2defae5SThomas Bogendoerfer select BOOT_ELF64 554e2defae5SThomas Bogendoerfer select CEVT_R4K 555e2defae5SThomas Bogendoerfer select CSRC_R4K 556e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 557e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 558e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 559e2defae5SThomas Bogendoerfer select IRQ_CPU 560e2defae5SThomas Bogendoerfer select HW_HAS_EISA 561e2defae5SThomas Bogendoerfer select I8253 562e2defae5SThomas Bogendoerfer select I8259 563e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 564e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 5655b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 566e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 567e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 568e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 569e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 570e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 5712b5e63f6SMartin Michlmayr # 5722b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5732b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5742b5e63f6SMartin Michlmayr # 5752b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5762b5e63f6SMartin Michlmayr # for a more details discussion 5772b5e63f6SMartin Michlmayr # 5782b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 579e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 580e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 581dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 582e2defae5SThomas Bogendoerfer help 583e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 584e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 585e2defae5SThomas Bogendoerfer 5861da177e4SLinus Torvaldsconfig SGI_IP32 587cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 5880e2794b0SRalf Baechle select FW_ARC 5890e2794b0SRalf Baechle select FW_ARC32 5901da177e4SLinus Torvalds select BOOT_ELF32 59142f77542SRalf Baechle select CEVT_R4K 592940f6b48SRalf Baechle select CSRC_R4K 5931da177e4SLinus Torvalds select DMA_NONCOHERENT 5941da177e4SLinus Torvalds select HW_HAS_PCI 595dd67b155SRalf Baechle select IRQ_CPU 5961da177e4SLinus Torvalds select R5000_CPU_SCACHE 5971da177e4SLinus Torvalds select RM7000_CPU_SCACHE 5987cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 5997cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 6007cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 601dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 602ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6035e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6041da177e4SLinus Torvalds help 6051da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 6061da177e4SLinus Torvalds 607ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 608ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 6095e83d430SRalf Baechle select BOOT_ELF32 6105e83d430SRalf Baechle select DMA_COHERENT 6115e83d430SRalf Baechle select SIBYTE_BCM1120 6125e83d430SRalf Baechle select SWAP_IO_SPACE 6137cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6145e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6155e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6165e83d430SRalf Baechle 617ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 618ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 6195e83d430SRalf Baechle select BOOT_ELF32 6205e83d430SRalf Baechle select DMA_COHERENT 6215e83d430SRalf Baechle select SIBYTE_BCM1120 6225e83d430SRalf Baechle select SWAP_IO_SPACE 6237cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6245e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6255e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6265e83d430SRalf Baechle 6275e83d430SRalf Baechleconfig SIBYTE_CRHONE 6283fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 6295e83d430SRalf Baechle select BOOT_ELF32 6305e83d430SRalf Baechle select DMA_COHERENT 6315e83d430SRalf Baechle select SIBYTE_BCM1125 6325e83d430SRalf Baechle select SWAP_IO_SPACE 6337cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6345e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6355e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6365e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6375e83d430SRalf Baechle 638ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 639ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 640ade299d8SYoichi Yuasa select BOOT_ELF32 641ade299d8SYoichi Yuasa select DMA_COHERENT 642ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 643ade299d8SYoichi Yuasa select SWAP_IO_SPACE 644ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 645ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 646ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 647ade299d8SYoichi Yuasa 648ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 649ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 650ade299d8SYoichi Yuasa select BOOT_ELF32 651ade299d8SYoichi Yuasa select DMA_COHERENT 652fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 653ade299d8SYoichi Yuasa select SIBYTE_SB1250 654ade299d8SYoichi Yuasa select SWAP_IO_SPACE 655ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 656ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 657ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 658ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 659cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 660ade299d8SYoichi Yuasa 661ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 662ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 663ade299d8SYoichi Yuasa select BOOT_ELF32 664ade299d8SYoichi Yuasa select DMA_COHERENT 665fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 666ade299d8SYoichi Yuasa select SIBYTE_SB1250 667ade299d8SYoichi Yuasa select SWAP_IO_SPACE 668ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 669ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 670ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 671ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 672ade299d8SYoichi Yuasa 673ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 674ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 675ade299d8SYoichi Yuasa select BOOT_ELF32 676ade299d8SYoichi Yuasa select DMA_COHERENT 677ade299d8SYoichi Yuasa select SIBYTE_SB1250 678ade299d8SYoichi Yuasa select SWAP_IO_SPACE 679ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 680ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 681ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 682ade299d8SYoichi Yuasa 683ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 684ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 685ade299d8SYoichi Yuasa select BOOT_ELF32 686ade299d8SYoichi Yuasa select DMA_COHERENT 687ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 688ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 689ade299d8SYoichi Yuasa select SWAP_IO_SPACE 690ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 691ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 692651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 693ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 694cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 695ade299d8SYoichi Yuasa 69614b36af4SThomas Bogendoerferconfig SNI_RM 69714b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 6980e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 6990e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 700aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 7015e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 7025e83d430SRalf Baechle select BOOT_ELF32 70342f77542SRalf Baechle select CEVT_R4K 704940f6b48SRalf Baechle select CSRC_R4K 705e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 7065e83d430SRalf Baechle select DMA_NONCOHERENT 7075e83d430SRalf Baechle select GENERIC_ISA_DMA 7088a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 7095e83d430SRalf Baechle select HW_HAS_EISA 7105e83d430SRalf Baechle select HW_HAS_PCI 711c066a32aSThomas Bogendoerfer select IRQ_CPU 712d865bea4SRalf Baechle select I8253 7135e83d430SRalf Baechle select I8259 7145e83d430SRalf Baechle select ISA 7154a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 7167cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 7174a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 718c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7194a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 72036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 721ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 7227d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 7234a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7245e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7255e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7261da177e4SLinus Torvalds help 72714b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 72814b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 7295e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 7305e83d430SRalf Baechle support this machine type. 7311da177e4SLinus Torvalds 732edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 733edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 7345e83d430SRalf Baechle 735edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 736edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 73723fbee9dSRalf Baechle 73873b4390fSRalf Baechleconfig MIKROTIK_RB532 73973b4390fSRalf Baechle bool "Mikrotik RB532 boards" 74073b4390fSRalf Baechle select CEVT_R4K 74173b4390fSRalf Baechle select CSRC_R4K 74273b4390fSRalf Baechle select DMA_NONCOHERENT 74373b4390fSRalf Baechle select HW_HAS_PCI 74473b4390fSRalf Baechle select IRQ_CPU 74573b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 74673b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 74773b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 74873b4390fSRalf Baechle select SWAP_IO_SPACE 74973b4390fSRalf Baechle select BOOT_RAW 750d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 751930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 75273b4390fSRalf Baechle help 75373b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 75473b4390fSRalf Baechle based on the IDT RC32434 SoC. 75573b4390fSRalf Baechle 7569ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 7579ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 758a86c7f72SDavid Daney select CEVT_R4K 759a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 760a86c7f72SDavid Daney select DMA_COHERENT 761a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 762a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 763f65aad41SRalf Baechle select EDAC_SUPPORT 764773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 765a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 7665e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 767a86c7f72SDavid Daney select SWAP_IO_SPACE 768e8635b48SDavid Daney select HW_HAS_PCI 769f00e001eSDavid Daney select ZONE_DMA32 770465aaed0SDavid Daney select HOLES_IN_ZONE 77199cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 7726e511163SDavid Daney select LIBFDT 7736e511163SDavid Daney select USE_OF 7746e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 7756e511163SDavid Daney select SYS_SUPPORTS_SMP 7766e511163SDavid Daney select NR_CPUS_DEFAULT_16 777e326479fSAndrew Bresticker select BUILTIN_DTB 778a86c7f72SDavid Daney help 779a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 780a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 781a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 782a86c7f72SDavid Daney Some of the supported boards are: 783a86c7f72SDavid Daney EBT3000 784a86c7f72SDavid Daney EBH3000 785a86c7f72SDavid Daney EBH3100 786a86c7f72SDavid Daney Thunder 787a86c7f72SDavid Daney Kodama 788a86c7f72SDavid Daney Hikari 789a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 790a86c7f72SDavid Daney 7917f058e85SJayachandran Cconfig NLM_XLR_BOARD 7927f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 7937f058e85SJayachandran C select BOOT_ELF32 7947f058e85SJayachandran C select NLM_COMMON 7957f058e85SJayachandran C select SYS_HAS_CPU_XLR 7967f058e85SJayachandran C select SYS_SUPPORTS_SMP 7977f058e85SJayachandran C select HW_HAS_PCI 7987f058e85SJayachandran C select SWAP_IO_SPACE 7997f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8007f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 8017f058e85SJayachandran C select 64BIT_PHYS_ADDR 8027f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8037f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 8047f058e85SJayachandran C select DMA_COHERENT 8057f058e85SJayachandran C select NR_CPUS_DEFAULT_32 8067f058e85SJayachandran C select CEVT_R4K 8077f058e85SJayachandran C select CSRC_R4K 8087f058e85SJayachandran C select IRQ_CPU 809b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8107f058e85SJayachandran C select SYNC_R4K 8117f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 8128f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8138f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8147f058e85SJayachandran C help 8157f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 8167f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 8177f058e85SJayachandran C 8181c773ea4SJayachandran Cconfig NLM_XLP_BOARD 8191c773ea4SJayachandran C bool "Netlogic XLP based systems" 8201c773ea4SJayachandran C select BOOT_ELF32 8211c773ea4SJayachandran C select NLM_COMMON 8221c773ea4SJayachandran C select SYS_HAS_CPU_XLP 8231c773ea4SJayachandran C select SYS_SUPPORTS_SMP 8241c773ea4SJayachandran C select HW_HAS_PCI 8251c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8261c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 8271c773ea4SJayachandran C select 64BIT_PHYS_ADDR 8281c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8291c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 8301c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 8311c773ea4SJayachandran C select DMA_COHERENT 8321c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 8331c773ea4SJayachandran C select CEVT_R4K 8341c773ea4SJayachandran C select CSRC_R4K 8351c773ea4SJayachandran C select IRQ_CPU 836b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8371c773ea4SJayachandran C select SYNC_R4K 8381c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 8392f6528e1SJayachandran C select USE_OF 8408f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8418f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8421c773ea4SJayachandran C help 8431c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 8441c773ea4SJayachandran C Say Y here if you have a XLP based board. 8451c773ea4SJayachandran C 8469bc463beSDavid Daneyconfig MIPS_PARAVIRT 8479bc463beSDavid Daney bool "Para-Virtualized guest system" 8489bc463beSDavid Daney select CEVT_R4K 8499bc463beSDavid Daney select CSRC_R4K 8509bc463beSDavid Daney select DMA_COHERENT 8519bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 8529bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 8539bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 8549bc463beSDavid Daney select SYS_SUPPORTS_SMP 8559bc463beSDavid Daney select NR_CPUS_DEFAULT_4 8569bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 8579bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 8589bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 8599bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 8609bc463beSDavid Daney select HW_HAS_PCI 8619bc463beSDavid Daney select SWAP_IO_SPACE 8629bc463beSDavid Daney help 8639bc463beSDavid Daney This option supports guest running under ???? 8649bc463beSDavid Daney 8651da177e4SLinus Torvaldsendchoice 8661da177e4SLinus Torvalds 867e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 868d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 869a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 870e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 8715e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 8725ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 8738ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 8741f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 8750f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 876ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 87729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 87838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 87922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 8805e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 881a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 88285749d24SWu Zhangjinsource "arch/mips/loongson/Kconfig" 883ca585cf9SKelvin Cheungsource "arch/mips/loongson1/Kconfig" 8847f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 885ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 88638b18f72SRalf Baechle 8875e83d430SRalf Baechleendmenu 8885e83d430SRalf Baechle 8891da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 8901da177e4SLinus Torvalds bool 8911da177e4SLinus Torvalds default y 8921da177e4SLinus Torvalds 8931da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 8941da177e4SLinus Torvalds bool 8951da177e4SLinus Torvalds 896f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 897f0d1b0b3SDavid Howells bool 898f0d1b0b3SDavid Howells default n 899f0d1b0b3SDavid Howells 900f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 901f0d1b0b3SDavid Howells bool 902f0d1b0b3SDavid Howells default n 903f0d1b0b3SDavid Howells 9043c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 9053c9ee7efSAkinobu Mita bool 9063c9ee7efSAkinobu Mita default y 9073c9ee7efSAkinobu Mita 9081da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 9091da177e4SLinus Torvalds bool 9101da177e4SLinus Torvalds default y 9111da177e4SLinus Torvalds 912ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 9131cc89038SAtsushi Nemoto bool 9141cc89038SAtsushi Nemoto default y 9151cc89038SAtsushi Nemoto 9161da177e4SLinus Torvalds# 9171da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 9181da177e4SLinus Torvalds# 9190e2794b0SRalf Baechleconfig FW_ARC 9201da177e4SLinus Torvalds bool 9211da177e4SLinus Torvalds 92261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 92361ed242dSRalf Baechle bool 92461ed242dSRalf Baechle 9259267a30dSMarc St-Jeanconfig BOOT_RAW 9269267a30dSMarc St-Jean bool 9279267a30dSMarc St-Jean 928217dd11eSRalf Baechleconfig CEVT_BCM1480 929217dd11eSRalf Baechle bool 930217dd11eSRalf Baechle 9316457d9fcSYoichi Yuasaconfig CEVT_DS1287 9326457d9fcSYoichi Yuasa bool 9336457d9fcSYoichi Yuasa 9341097c6acSYoichi Yuasaconfig CEVT_GT641XX 9351097c6acSYoichi Yuasa bool 9361097c6acSYoichi Yuasa 93742f77542SRalf Baechleconfig CEVT_R4K 93842f77542SRalf Baechle bool 93942f77542SRalf Baechle 940217dd11eSRalf Baechleconfig CEVT_SB1250 941217dd11eSRalf Baechle bool 942217dd11eSRalf Baechle 943229f773eSAtsushi Nemotoconfig CEVT_TXX9 944229f773eSAtsushi Nemoto bool 945229f773eSAtsushi Nemoto 946217dd11eSRalf Baechleconfig CSRC_BCM1480 947217dd11eSRalf Baechle bool 948217dd11eSRalf Baechle 9494247417dSYoichi Yuasaconfig CSRC_IOASIC 9504247417dSYoichi Yuasa bool 9514247417dSYoichi Yuasa 952940f6b48SRalf Baechleconfig CSRC_R4K 953940f6b48SRalf Baechle bool 954940f6b48SRalf Baechle 955217dd11eSRalf Baechleconfig CSRC_SB1250 956217dd11eSRalf Baechle bool 957217dd11eSRalf Baechle 958a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 9597444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 960a9aec7feSAtsushi Nemoto bool 961a9aec7feSAtsushi Nemoto 9620e2794b0SRalf Baechleconfig FW_CFE 963df78b5c8SAurelien Jarno bool 964df78b5c8SAurelien Jarno 9654bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 9664bafad92SFUJITA Tomonori def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT 9674bafad92SFUJITA Tomonori 968885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 969885014bcSFelix Fietkau select DMA_NONCOHERENT 970885014bcSFelix Fietkau bool 971885014bcSFelix Fietkau 9721da177e4SLinus Torvaldsconfig DMA_COHERENT 9731da177e4SLinus Torvalds bool 9741da177e4SLinus Torvalds 9751da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 9761da177e4SLinus Torvalds bool 977e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 9784ce588cdSRalf Baechle 979e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 9804ce588cdSRalf Baechle bool 9811da177e4SLinus Torvalds 98236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 9831da177e4SLinus Torvalds bool 9841da177e4SLinus Torvalds 985dbb74540SRalf Baechleconfig HOTPLUG_CPU 9861b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 98740b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 9881b2bc75cSRalf Baechle help 9891b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 9901b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 9911b2bc75cSRalf Baechle (Note: power management support will enable this option 9921b2bc75cSRalf Baechle automatically on SMP systems. ) 9931b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 9941b2bc75cSRalf Baechle 9951b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 996dbb74540SRalf Baechle bool 997dbb74540SRalf Baechle 9981da177e4SLinus Torvaldsconfig I8259 9991da177e4SLinus Torvalds bool 1000079a4601SAndrew Bresticker select IRQ_DOMAIN 10011da177e4SLinus Torvalds 10021da177e4SLinus Torvaldsconfig MIPS_BONITO64 10031da177e4SLinus Torvalds bool 10041da177e4SLinus Torvalds 10051da177e4SLinus Torvaldsconfig MIPS_MSC 10061da177e4SLinus Torvalds bool 10071da177e4SLinus Torvalds 10081f21d2bdSBrian Murphyconfig MIPS_NILE4 10091f21d2bdSBrian Murphy bool 10101f21d2bdSBrian Murphy 101139b8d525SRalf Baechleconfig SYNC_R4K 101239b8d525SRalf Baechle bool 101339b8d525SRalf Baechle 1014487d70d0SGabor Juhosconfig MIPS_MACHINE 1015487d70d0SGabor Juhos def_bool n 1016487d70d0SGabor Juhos 1017ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1018d388d685SMaciej W. Rozycki def_bool n 1019d388d685SMaciej W. Rozycki 10208313da30SRalf Baechleconfig GENERIC_ISA_DMA 10218313da30SRalf Baechle bool 10228313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1023a35bee8aSNamhyung Kim select ISA_DMA_API 10248313da30SRalf Baechle 1025aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1026aa414dffSRalf Baechle bool 10278313da30SRalf Baechle select GENERIC_ISA_DMA 1028aa414dffSRalf Baechle 1029a35bee8aSNamhyung Kimconfig ISA_DMA_API 1030a35bee8aSNamhyung Kim bool 1031a35bee8aSNamhyung Kim 1032465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1033465aaed0SDavid Daney bool 1034465aaed0SDavid Daney 10355e83d430SRalf Baechle# 10366b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 10375e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 10385e83d430SRalf Baechle# choice statement should be more obvious to the user. 10395e83d430SRalf Baechle# 10405e83d430SRalf Baechlechoice 10416b2aac42SMasanari Iida prompt "Endianness selection" 10421da177e4SLinus Torvalds help 10431da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 10445e83d430SRalf Baechle byte order. These modes require different kernels and a different 10453cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 10465e83d430SRalf Baechle particular system but some systems are just as commonly used in the 10473dde6ad8SDavid Sterba one or the other endianness. 10485e83d430SRalf Baechle 10495e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 10505e83d430SRalf Baechle bool "Big endian" 10515e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 10525e83d430SRalf Baechle 10535e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 10545e83d430SRalf Baechle bool "Little endian" 10555e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 10565e83d430SRalf Baechle 10575e83d430SRalf Baechleendchoice 10585e83d430SRalf Baechle 105922b0763aSDavid Daneyconfig EXPORT_UASM 106022b0763aSDavid Daney bool 106122b0763aSDavid Daney 10622116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 10632116245eSRalf Baechle bool 10642116245eSRalf Baechle 10655e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 10665e83d430SRalf Baechle bool 10675e83d430SRalf Baechle 10685e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 10695e83d430SRalf Baechle bool 10701da177e4SLinus Torvalds 10719cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 10729cffd154SDavid Daney bool 10739cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 10749cffd154SDavid Daney default y 10759cffd154SDavid Daney 1076aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1077aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1078aa1762f4SDavid Daney 10791da177e4SLinus Torvaldsconfig IRQ_CPU 10801da177e4SLinus Torvalds bool 10810f84c305SAndrew Bresticker select IRQ_DOMAIN 10821da177e4SLinus Torvalds 10831da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 10841da177e4SLinus Torvalds bool 10851da177e4SLinus Torvalds 10869267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 10879267a30dSMarc St-Jean bool 10889267a30dSMarc St-Jean 10899267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 10909267a30dSMarc St-Jean bool 10919267a30dSMarc St-Jean 10928420fd00SAtsushi Nemotoconfig IRQ_TXX9 10938420fd00SAtsushi Nemoto bool 10948420fd00SAtsushi Nemoto 1095d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1096d5ab1a69SYoichi Yuasa bool 1097d5ab1a69SYoichi Yuasa 1098252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 10991da177e4SLinus Torvalds bool 11001da177e4SLinus Torvalds 11019267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 11029267a30dSMarc St-Jean bool 11039267a30dSMarc St-Jean 1104a83860c2SRalf Baechleconfig SOC_EMMA2RH 1105a83860c2SRalf Baechle bool 1106a83860c2SRalf Baechle select CEVT_R4K 1107a83860c2SRalf Baechle select CSRC_R4K 1108a83860c2SRalf Baechle select DMA_NONCOHERENT 1109a83860c2SRalf Baechle select IRQ_CPU 1110a83860c2SRalf Baechle select SWAP_IO_SPACE 1111a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1112a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1113a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1114a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1115a83860c2SRalf Baechle 1116edb6310aSDaniel Lairdconfig SOC_PNX833X 1117edb6310aSDaniel Laird bool 1118edb6310aSDaniel Laird select CEVT_R4K 1119edb6310aSDaniel Laird select CSRC_R4K 1120edb6310aSDaniel Laird select IRQ_CPU 1121edb6310aSDaniel Laird select DMA_NONCOHERENT 1122edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1123edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1124edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1125edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1126377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1127edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1128edb6310aSDaniel Laird 1129edb6310aSDaniel Lairdconfig SOC_PNX8335 1130edb6310aSDaniel Laird bool 1131edb6310aSDaniel Laird select SOC_PNX833X 1132edb6310aSDaniel Laird 11331da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 11341da177e4SLinus Torvalds bool 11351da177e4SLinus Torvalds 1136e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1137e2defae5SThomas Bogendoerfer bool 1138e2defae5SThomas Bogendoerfer 11395b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 11405b438c44SThomas Bogendoerfer bool 11415b438c44SThomas Bogendoerfer 1142e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1143e2defae5SThomas Bogendoerfer bool 1144e2defae5SThomas Bogendoerfer 1145e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1146e2defae5SThomas Bogendoerfer bool 1147e2defae5SThomas Bogendoerfer 1148e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1149e2defae5SThomas Bogendoerfer bool 1150e2defae5SThomas Bogendoerfer 1151e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1152e2defae5SThomas Bogendoerfer bool 1153e2defae5SThomas Bogendoerfer 1154e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1155e2defae5SThomas Bogendoerfer bool 1156e2defae5SThomas Bogendoerfer 11570e2794b0SRalf Baechleconfig FW_ARC32 11585e83d430SRalf Baechle bool 11595e83d430SRalf Baechle 1160aaa9fad3SPaul Bolleconfig FW_SNIPROM 1161231a35d3SThomas Bogendoerfer bool 1162231a35d3SThomas Bogendoerfer 11631da177e4SLinus Torvaldsconfig BOOT_ELF32 11641da177e4SLinus Torvalds bool 11651da177e4SLinus Torvalds 1166930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1167930beb5aSFlorian Fainelli bool 1168930beb5aSFlorian Fainelli 1169930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1170930beb5aSFlorian Fainelli bool 1171930beb5aSFlorian Fainelli 1172930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1173930beb5aSFlorian Fainelli bool 1174930beb5aSFlorian Fainelli 1175930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1176930beb5aSFlorian Fainelli bool 1177930beb5aSFlorian Fainelli 11781da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 11791da177e4SLinus Torvalds int 1180a4c0201eSFlorian Fainelli default "4" if MIPS_L1_CACHE_SHIFT_4 1181a4c0201eSFlorian Fainelli default "5" if MIPS_L1_CACHE_SHIFT_5 1182a4c0201eSFlorian Fainelli default "6" if MIPS_L1_CACHE_SHIFT_6 1183a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 11841da177e4SLinus Torvalds default "5" 11851da177e4SLinus Torvalds 11861da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 11871da177e4SLinus Torvalds bool 11881da177e4SLinus Torvalds 11891da177e4SLinus Torvaldsconfig ARC_CONSOLE 11901da177e4SLinus Torvalds bool "ARC console support" 1191e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 11921da177e4SLinus Torvalds 11931da177e4SLinus Torvaldsconfig ARC_MEMORY 11941da177e4SLinus Torvalds bool 119514b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 11961da177e4SLinus Torvalds default y 11971da177e4SLinus Torvalds 11981da177e4SLinus Torvaldsconfig ARC_PROMLIB 11991da177e4SLinus Torvalds bool 1200e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 12011da177e4SLinus Torvalds default y 12021da177e4SLinus Torvalds 12030e2794b0SRalf Baechleconfig FW_ARC64 12041da177e4SLinus Torvalds bool 12051da177e4SLinus Torvalds 12061da177e4SLinus Torvaldsconfig BOOT_ELF64 12071da177e4SLinus Torvalds bool 12081da177e4SLinus Torvalds 12091da177e4SLinus Torvaldsmenu "CPU selection" 12101da177e4SLinus Torvalds 12111da177e4SLinus Torvaldschoice 12121da177e4SLinus Torvalds prompt "CPU type" 12131da177e4SLinus Torvalds default CPU_R4X00 12141da177e4SLinus Torvalds 12150e476d91SHuacai Chenconfig CPU_LOONGSON3 12160e476d91SHuacai Chen bool "Loongson 3 CPU" 12170e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 12180e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 12190e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 12200e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 12210e476d91SHuacai Chen select WEAK_ORDERING 12220e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 12230e476d91SHuacai Chen help 12240e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 12250e476d91SHuacai Chen set with many extensions. 12260e476d91SHuacai Chen 12273702bba5SWu Zhangjinconfig CPU_LOONGSON2E 12283702bba5SWu Zhangjin bool "Loongson 2E" 12293702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 12303702bba5SWu Zhangjin select CPU_LOONGSON2 12312a21c730SFuxin Zhang help 12322a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 12332a21c730SFuxin Zhang with many extensions. 12342a21c730SFuxin Zhang 123525985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 12366f7a251aSWu Zhangjin bonito64. 12376f7a251aSWu Zhangjin 12386f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 12396f7a251aSWu Zhangjin bool "Loongson 2F" 12406f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 12416f7a251aSWu Zhangjin select CPU_LOONGSON2 1242c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 12436f7a251aSWu Zhangjin help 12446f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 12456f7a251aSWu Zhangjin with many extensions. 12466f7a251aSWu Zhangjin 12476f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 12486f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 12496f7a251aSWu Zhangjin Loongson2E. 12506f7a251aSWu Zhangjin 1251ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1252ca585cf9SKelvin Cheung bool "Loongson 1B" 1253ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1254ca585cf9SKelvin Cheung select CPU_LOONGSON1 1255ca585cf9SKelvin Cheung help 1256ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1257ca585cf9SKelvin Cheung release 2 instruction set. 1258ca585cf9SKelvin Cheung 12596e760c8dSRalf Baechleconfig CPU_MIPS32_R1 12606e760c8dSRalf Baechle bool "MIPS32 Release 1" 12617cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 12626e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1263797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1264ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12656e760c8dSRalf Baechle help 12665e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 12671e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 12681e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 12691e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 12701e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 12711e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 12721e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 12731e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 12741e5f1caaSRalf Baechle performance. 12751e5f1caaSRalf Baechle 12761e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 12771e5f1caaSRalf Baechle bool "MIPS32 Release 2" 12787cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 12791e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1280797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1281ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1282a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 12832235a54dSSanjay Lal select HAVE_KVM 12841e5f1caaSRalf Baechle help 12855e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 12866e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 12876e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 12886e760c8dSRalf Baechle specific type of processor in your system, choose those that one 12896e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 12901da177e4SLinus Torvalds 12916e760c8dSRalf Baechleconfig CPU_MIPS64_R1 12926e760c8dSRalf Baechle bool "MIPS64 Release 1" 12937cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1294797798c1SRalf Baechle select CPU_HAS_PREFETCH 1295ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1296ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1297ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12989cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 12996e760c8dSRalf Baechle help 13006e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 13016e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13026e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13036e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13046e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13051e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 13061e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 13071e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 13081e5f1caaSRalf Baechle performance. 13091e5f1caaSRalf Baechle 13101e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 13111e5f1caaSRalf Baechle bool "MIPS64 Release 2" 13127cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1313797798c1SRalf Baechle select CPU_HAS_PREFETCH 13141e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 13151e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1316ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13179cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1318a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13191e5f1caaSRalf Baechle help 13201e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 13211e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13221e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13231e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13241e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13251da177e4SLinus Torvalds 13261da177e4SLinus Torvaldsconfig CPU_R3000 13271da177e4SLinus Torvalds bool "R3000" 13287cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1329f7062ddbSRalf Baechle select CPU_HAS_WB 1330ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1331797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13321da177e4SLinus Torvalds help 13331da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 13341da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 13351da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 13361da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 13371da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 13381da177e4SLinus Torvalds try to recompile with R3000. 13391da177e4SLinus Torvalds 13401da177e4SLinus Torvaldsconfig CPU_TX39XX 13411da177e4SLinus Torvalds bool "R39XX" 13427cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1343ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 13441da177e4SLinus Torvalds 13451da177e4SLinus Torvaldsconfig CPU_VR41XX 13461da177e4SLinus Torvalds bool "R41xx" 13477cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1348ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1349ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 13501da177e4SLinus Torvalds help 13515e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 13521da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 13531da177e4SLinus Torvalds kernel built with this option will not run on any other type of 13541da177e4SLinus Torvalds processor or vice versa. 13551da177e4SLinus Torvalds 13561da177e4SLinus Torvaldsconfig CPU_R4300 13571da177e4SLinus Torvalds bool "R4300" 13587cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1359ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1360ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 13611da177e4SLinus Torvalds help 13621da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 13631da177e4SLinus Torvalds 13641da177e4SLinus Torvaldsconfig CPU_R4X00 13651da177e4SLinus Torvalds bool "R4x00" 13667cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1367ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1368ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1369970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13701da177e4SLinus Torvalds help 13711da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 13721da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 13731da177e4SLinus Torvalds 13741da177e4SLinus Torvaldsconfig CPU_TX49XX 13751da177e4SLinus Torvalds bool "R49XX" 13767cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1377de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1378ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1379ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1380970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13811da177e4SLinus Torvalds 13821da177e4SLinus Torvaldsconfig CPU_R5000 13831da177e4SLinus Torvalds bool "R5000" 13847cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1385ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1386ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1387970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13881da177e4SLinus Torvalds help 13891da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 13901da177e4SLinus Torvalds 13911da177e4SLinus Torvaldsconfig CPU_R5432 13921da177e4SLinus Torvalds bool "R5432" 13937cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 13945e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 13955e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1396970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13971da177e4SLinus Torvalds 1398542c1020SShinya Kuribayashiconfig CPU_R5500 1399542c1020SShinya Kuribayashi bool "R5500" 1400542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1401542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1402542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 14039cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1404542c1020SShinya Kuribayashi help 1405542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1406542c1020SShinya Kuribayashi instruction set. 1407542c1020SShinya Kuribayashi 14081da177e4SLinus Torvaldsconfig CPU_R6000 14091da177e4SLinus Torvalds bool "R6000" 14107cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1411ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 14121da177e4SLinus Torvalds help 14131da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1414c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 14151da177e4SLinus Torvalds 14161da177e4SLinus Torvaldsconfig CPU_NEVADA 14171da177e4SLinus Torvalds bool "RM52xx" 14187cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1419ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1420ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1421970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14221da177e4SLinus Torvalds help 14231da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 14241da177e4SLinus Torvalds 14251da177e4SLinus Torvaldsconfig CPU_R8000 14261da177e4SLinus Torvalds bool "R8000" 14277cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 14285e83d430SRalf Baechle select CPU_HAS_PREFETCH 1429ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14301da177e4SLinus Torvalds help 14311da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 14321da177e4SLinus Torvalds uncommon and the support for them is incomplete. 14331da177e4SLinus Torvalds 14341da177e4SLinus Torvaldsconfig CPU_R10000 14351da177e4SLinus Torvalds bool "R10000" 14367cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 14375e83d430SRalf Baechle select CPU_HAS_PREFETCH 1438ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1439ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1440797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1441970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14421da177e4SLinus Torvalds help 14431da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 14441da177e4SLinus Torvalds 14451da177e4SLinus Torvaldsconfig CPU_RM7000 14461da177e4SLinus Torvalds bool "RM7000" 14477cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 14485e83d430SRalf Baechle select CPU_HAS_PREFETCH 1449ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1450ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1451797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1452970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14531da177e4SLinus Torvalds 14541da177e4SLinus Torvaldsconfig CPU_SB1 14551da177e4SLinus Torvalds bool "SB1" 14567cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1457ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1458ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1459797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1460970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14610004a9dfSRalf Baechle select WEAK_ORDERING 14621da177e4SLinus Torvalds 1463a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1464a86c7f72SDavid Daney bool "Cavium Octeon processor" 14655e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1466a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1467a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1468a86c7f72SDavid Daney select WEAK_ORDERING 1469a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 14709cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14719296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 1472930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1473a86c7f72SDavid Daney help 1474a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1475a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1476a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1477a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1478a86c7f72SDavid Daney 1479cd746249SJonas Gorskiconfig CPU_BMIPS 1480cd746249SJonas Gorski bool "Broadcom BMIPS" 1481cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1482cd746249SJonas Gorski select CPU_MIPS32 1483fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1484cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1485cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1486cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1487cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1488cd746249SJonas Gorski select DMA_NONCOHERENT 1489cd746249SJonas Gorski select IRQ_CPU 1490cd746249SJonas Gorski select SWAP_IO_SPACE 1491cd746249SJonas Gorski select WEAK_ORDERING 1492c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 149369aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1494c1c0c461SKevin Cernekee help 1495fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1496c1c0c461SKevin Cernekee 14977f058e85SJayachandran Cconfig CPU_XLR 14987f058e85SJayachandran C bool "Netlogic XLR SoC" 14997f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 15007f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 15017f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 15027f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1503970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15047f058e85SJayachandran C select WEAK_ORDERING 15057f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 15067f058e85SJayachandran C help 15077f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 15081c773ea4SJayachandran C 15091c773ea4SJayachandran Cconfig CPU_XLP 15101c773ea4SJayachandran C bool "Netlogic XLP SoC" 15111c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 15121c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 15131c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 15141c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 15151c773ea4SJayachandran C select WEAK_ORDERING 15161c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 15171c773ea4SJayachandran C select CPU_HAS_PREFETCH 1518d6504846SJayachandran C select CPU_MIPSR2 15191c773ea4SJayachandran C help 15201c773ea4SJayachandran C Netlogic Microsystems XLP processors. 15211da177e4SLinus Torvaldsendchoice 15221da177e4SLinus Torvalds 1523a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1524a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1525a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1526a6e18781SLeonid Yegoshin depends on CPU_MIPS32_R2 1527a6e18781SLeonid Yegoshin help 1528a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1529a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1530a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1531a6e18781SLeonid Yegoshin 1532a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1533a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1534a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1535a6e18781SLeonid Yegoshin select EVA 1536a6e18781SLeonid Yegoshin default y 1537a6e18781SLeonid Yegoshin help 1538a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1539a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1540a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1541a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1542a6e18781SLeonid Yegoshin 1543622844bfSWu Zhangjinif CPU_LOONGSON2F 1544622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1545622844bfSWu Zhangjin bool 1546622844bfSWu Zhangjin 1547622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1548622844bfSWu Zhangjin bool 1549622844bfSWu Zhangjin 1550622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1551622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1552622844bfSWu Zhangjin default y 1553622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1554622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1555622844bfSWu Zhangjin help 1556622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1557622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1558622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1559622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1560622844bfSWu Zhangjin 1561622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1562622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1563622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1564622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1565622844bfSWu Zhangjin systems. 1566622844bfSWu Zhangjin 1567622844bfSWu Zhangjin If unsure, please say Y. 1568622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1569622844bfSWu Zhangjin 15701b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 15711b93b3c3SWu Zhangjin bool 15721b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 15731b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 157431c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 15751b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1576fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 15774e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 15781b93b3c3SWu Zhangjin 15791b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 15801b93b3c3SWu Zhangjin bool 15811b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 15821b93b3c3SWu Zhangjin 15833702bba5SWu Zhangjinconfig CPU_LOONGSON2 15843702bba5SWu Zhangjin bool 15853702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 15863702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 15873702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1588970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15893702bba5SWu Zhangjin 1590ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1591ca585cf9SKelvin Cheung bool 1592ca585cf9SKelvin Cheung select CPU_MIPS32 1593ca585cf9SKelvin Cheung select CPU_MIPSR2 1594ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1595ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1596ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1597f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1598ca585cf9SKelvin Cheung 1599fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 160004fa8bf7SJonas Gorski select SMP_UP if SMP 16011bbb6c1bSKevin Cernekee bool 1602cd746249SJonas Gorski 1603cd746249SJonas Gorskiconfig CPU_BMIPS4350 1604cd746249SJonas Gorski bool 1605cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1606cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1607cd746249SJonas Gorski 1608cd746249SJonas Gorskiconfig CPU_BMIPS4380 1609cd746249SJonas Gorski bool 1610bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1611cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1612cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1613cd746249SJonas Gorski 1614cd746249SJonas Gorskiconfig CPU_BMIPS5000 1615cd746249SJonas Gorski bool 1616cd746249SJonas Gorski select MIPS_CPU_SCACHE 1617bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1618cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1619cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 16201bbb6c1bSKevin Cernekee 16210e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 16220e476d91SHuacai Chen bool 16230e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 16240e476d91SHuacai Chen 16253702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 16262a21c730SFuxin Zhang bool 16272a21c730SFuxin Zhang 16286f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 16296f7a251aSWu Zhangjin bool 163055045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 163155045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 163222f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 16336f7a251aSWu Zhangjin 1634ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1635ca585cf9SKelvin Cheung bool 1636ca585cf9SKelvin Cheung 16377cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 16387cf8053bSRalf Baechle bool 16397cf8053bSRalf Baechle 16407cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 16417cf8053bSRalf Baechle bool 16427cf8053bSRalf Baechle 1643a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1644a6e18781SLeonid Yegoshin bool 1645a6e18781SLeonid Yegoshin 16467cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 16477cf8053bSRalf Baechle bool 16487cf8053bSRalf Baechle 16497cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 16507cf8053bSRalf Baechle bool 16517cf8053bSRalf Baechle 16527cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 16537cf8053bSRalf Baechle bool 16547cf8053bSRalf Baechle 16557cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 16567cf8053bSRalf Baechle bool 16577cf8053bSRalf Baechle 16587cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 16597cf8053bSRalf Baechle bool 16607cf8053bSRalf Baechle 16617cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 16627cf8053bSRalf Baechle bool 16637cf8053bSRalf Baechle 16647cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 16657cf8053bSRalf Baechle bool 16667cf8053bSRalf Baechle 16677cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 16687cf8053bSRalf Baechle bool 16697cf8053bSRalf Baechle 16707cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 16717cf8053bSRalf Baechle bool 16727cf8053bSRalf Baechle 16737cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 16747cf8053bSRalf Baechle bool 16757cf8053bSRalf Baechle 1676542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1677542c1020SShinya Kuribayashi bool 1678542c1020SShinya Kuribayashi 16797cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 16807cf8053bSRalf Baechle bool 16817cf8053bSRalf Baechle 16827cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 16837cf8053bSRalf Baechle bool 16847cf8053bSRalf Baechle 16857cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 16867cf8053bSRalf Baechle bool 16877cf8053bSRalf Baechle 16887cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 16897cf8053bSRalf Baechle bool 16907cf8053bSRalf Baechle 16917cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 16927cf8053bSRalf Baechle bool 16937cf8053bSRalf Baechle 16947cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 16957cf8053bSRalf Baechle bool 16967cf8053bSRalf Baechle 16975e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 16985e683389SDavid Daney bool 16995e683389SDavid Daney 1700cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1701c1c0c461SKevin Cernekee bool 1702c1c0c461SKevin Cernekee 1703fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1704c1c0c461SKevin Cernekee bool 1705cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1706c1c0c461SKevin Cernekee 1707c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1708c1c0c461SKevin Cernekee bool 1709cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1710c1c0c461SKevin Cernekee 1711c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1712c1c0c461SKevin Cernekee bool 1713cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1714c1c0c461SKevin Cernekee 1715c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1716c1c0c461SKevin Cernekee bool 1717cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1718c1c0c461SKevin Cernekee 17197f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 17207f058e85SJayachandran C bool 17217f058e85SJayachandran C 17221c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 17231c773ea4SJayachandran C bool 17241c773ea4SJayachandran C 1725b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1726b6911bbaSPaul Burton depends on MIPS_MALTA 1727b6911bbaSPaul Burton depends on PCI 1728b6911bbaSPaul Burton bool 1729b6911bbaSPaul Burton default y 1730b6911bbaSPaul Burton 173117099b11SRalf Baechle# 173217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 173317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 173417099b11SRalf Baechle# 17350004a9dfSRalf Baechleconfig WEAK_ORDERING 17360004a9dfSRalf Baechle bool 173717099b11SRalf Baechle 173817099b11SRalf Baechle# 173917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 174017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 174117099b11SRalf Baechle# 174217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 174317099b11SRalf Baechle bool 17445e83d430SRalf Baechleendmenu 17455e83d430SRalf Baechle 17465e83d430SRalf Baechle# 17475e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 17485e83d430SRalf Baechle# 17495e83d430SRalf Baechleconfig CPU_MIPS32 17505e83d430SRalf Baechle bool 17515e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 17525e83d430SRalf Baechle 17535e83d430SRalf Baechleconfig CPU_MIPS64 17545e83d430SRalf Baechle bool 17555e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 17565e83d430SRalf Baechle 17575e83d430SRalf Baechle# 1758c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 17595e83d430SRalf Baechle# 17605e83d430SRalf Baechleconfig CPU_MIPSR1 17615e83d430SRalf Baechle bool 17625e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 17635e83d430SRalf Baechle 17645e83d430SRalf Baechleconfig CPU_MIPSR2 17655e83d430SRalf Baechle bool 1766a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 17675e83d430SRalf Baechle 1768a6e18781SLeonid Yegoshinconfig EVA 1769a6e18781SLeonid Yegoshin bool 1770a6e18781SLeonid Yegoshin 17715e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 17725e83d430SRalf Baechle bool 17735e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 17745e83d430SRalf Baechle bool 17755e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 17765e83d430SRalf Baechle bool 17775e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 17785e83d430SRalf Baechle bool 177955045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 178055045ff5SWu Zhangjin bool 178155045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 178255045ff5SWu Zhangjin bool 17839cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 17849cffd154SDavid Daney bool 178522f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 178622f1fdfdSWu Zhangjin bool 178782622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 178882622284SDavid Daney bool 1789d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 17905e83d430SRalf Baechle 17918192c9eaSDavid Daney# 17928192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 17938192c9eaSDavid Daney# 17948192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 17958192c9eaSDavid Daney bool 1796f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 17978192c9eaSDavid Daney 17985e83d430SRalf Baechlemenu "Kernel type" 17995e83d430SRalf Baechle 18005e83d430SRalf Baechlechoice 18015e83d430SRalf Baechle prompt "Kernel code model" 18025e83d430SRalf Baechle help 18035e83d430SRalf Baechle You should only select this option if you have a workload that 18045e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 18055e83d430SRalf Baechle large memory. You will only be presented a single option in this 18065e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 18075e83d430SRalf Baechle 18085e83d430SRalf Baechleconfig 32BIT 18095e83d430SRalf Baechle bool "32-bit kernel" 18105e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 18115e83d430SRalf Baechle select TRAD_SIGNALS 18125e83d430SRalf Baechle help 18135e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 18145e83d430SRalf Baechleconfig 64BIT 18155e83d430SRalf Baechle bool "64-bit kernel" 18165e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 18175e83d430SRalf Baechle help 18185e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 18195e83d430SRalf Baechle 18205e83d430SRalf Baechleendchoice 18215e83d430SRalf Baechle 18222235a54dSSanjay Lalconfig KVM_GUEST 18232235a54dSSanjay Lal bool "KVM Guest Kernel" 1824f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 18252235a54dSSanjay Lal help 18262235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 18272235a54dSSanjay Lal 1828eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1829eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 18302235a54dSSanjay Lal depends on KVM_GUEST 1831eda3d33cSJames Hogan default 100 18322235a54dSSanjay Lal help 1833eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 1834eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 1835eda3d33cSJames Hogan timer frequency is specified directly. 18362235a54dSSanjay Lal 18371da177e4SLinus Torvaldschoice 18381da177e4SLinus Torvalds prompt "Kernel page size" 18391da177e4SLinus Torvalds default PAGE_SIZE_4KB 18401da177e4SLinus Torvalds 18411da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 18421da177e4SLinus Torvalds bool "4kB" 18430e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 18441da177e4SLinus Torvalds help 18451da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 18461da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 18471da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 18481da177e4SLinus Torvalds recommended for low memory systems. 18491da177e4SLinus Torvalds 18501da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 18511da177e4SLinus Torvalds bool "8kB" 18527d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 18531da177e4SLinus Torvalds help 18541da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 18551da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1856c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1857c52399beSRalf Baechle suitable Linux distribution to support this. 18581da177e4SLinus Torvalds 18591da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 18601da177e4SLinus Torvalds bool "16kB" 1861714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 18621da177e4SLinus Torvalds help 18631da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 18641da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1865714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1866714bfad6SRalf Baechle Linux distribution to support this. 18671da177e4SLinus Torvalds 1868c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1869c52399beSRalf Baechle bool "32kB" 1870c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1871c52399beSRalf Baechle help 1872c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1873c52399beSRalf Baechle the price of higher memory consumption. This option is available 1874c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1875c52399beSRalf Baechle distribution to support this. 1876c52399beSRalf Baechle 18771da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 18781da177e4SLinus Torvalds bool "64kB" 18797d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 18801da177e4SLinus Torvalds help 18811da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 18821da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 18831da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1884714bfad6SRalf Baechle writing this option is still high experimental. 18851da177e4SLinus Torvalds 18861da177e4SLinus Torvaldsendchoice 18871da177e4SLinus Torvalds 1888c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 1889c9bace7cSDavid Daney int "Maximum zone order" 1890e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1891e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1892e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1893e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1894e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1895e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1896c9bace7cSDavid Daney range 11 64 1897c9bace7cSDavid Daney default "11" 1898c9bace7cSDavid Daney help 1899c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 1900c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 1901c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 1902c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 1903c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 1904c9bace7cSDavid Daney increase this value. 1905c9bace7cSDavid Daney 1906c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 1907c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 1908c9bace7cSDavid Daney 1909c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 1910c9bace7cSDavid Daney when choosing a value for this option. 1911c9bace7cSDavid Daney 19121da177e4SLinus Torvaldsconfig BOARD_SCACHE 19131da177e4SLinus Torvalds bool 19141da177e4SLinus Torvalds 19151da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 19161da177e4SLinus Torvalds bool 19171da177e4SLinus Torvalds select BOARD_SCACHE 19181da177e4SLinus Torvalds 19199318c51aSChris Dearman# 19209318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 19219318c51aSChris Dearman# 19229318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 19239318c51aSChris Dearman bool 19249318c51aSChris Dearman select BOARD_SCACHE 19259318c51aSChris Dearman 19261da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 19271da177e4SLinus Torvalds bool 19281da177e4SLinus Torvalds select BOARD_SCACHE 19291da177e4SLinus Torvalds 19301da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 19311da177e4SLinus Torvalds bool 19321da177e4SLinus Torvalds select BOARD_SCACHE 19331da177e4SLinus Torvalds 19341da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 19351da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 19361da177e4SLinus Torvalds depends on CPU_SB1 19371da177e4SLinus Torvalds help 19381da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 19391da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 19401da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 19411da177e4SLinus Torvalds 19421da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1943c8094b53SRalf Baechle bool 19441da177e4SLinus Torvalds 19453165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 19463165c846SFlorian Fainelli bool 19473165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 19483165c846SFlorian Fainelli 194991405eb6SFlorian Fainelliconfig CPU_R4K_FPU 195091405eb6SFlorian Fainelli bool 195191405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 195291405eb6SFlorian Fainelli 195362cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 195462cedc4fSFlorian Fainelli bool 195562cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 195662cedc4fSFlorian Fainelli 195759d6ab86SRalf Baechleconfig MIPS_MT_SMP 1958a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 195959d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 196059d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1961d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1962c080faa5SSteven J. Hill select SYNC_R4K 19630c2cb004SPaul Burton select MIPS_GIC_IPI 196459d6ab86SRalf Baechle select MIPS_MT 196559d6ab86SRalf Baechle select SMP 196687353d8aSRalf Baechle select SMP_UP 1967c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 1968c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 1969399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 197059d6ab86SRalf Baechle help 1971c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 1972c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 1973c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 1974c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 1975c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 197659d6ab86SRalf Baechle 1977f41ae0b2SRalf Baechleconfig MIPS_MT 1978f41ae0b2SRalf Baechle bool 1979f41ae0b2SRalf Baechle 19800ab7aefcSRalf Baechleconfig SCHED_SMT 19810ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 19820ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 19830ab7aefcSRalf Baechle default n 19840ab7aefcSRalf Baechle help 19850ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 19860ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 19870ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 19880ab7aefcSRalf Baechle 19890ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 19900ab7aefcSRalf Baechle bool 19910ab7aefcSRalf Baechle 1992f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1993f41ae0b2SRalf Baechle bool 1994f41ae0b2SRalf Baechle 1995f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1996f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1997f088fc84SRalf Baechle default y 1998b633648cSRalf Baechle depends on MIPS_MT_SMP 199907cc0c9eSRalf Baechle 200007cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 200107cc0c9eSRalf Baechle bool "VPE loader support." 2002704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 200307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 200407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 200507cc0c9eSRalf Baechle select MIPS_MT 200607cc0c9eSRalf Baechle help 200707cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 200807cc0c9eSRalf Baechle onto another VPE and running it. 2009f088fc84SRalf Baechle 201017a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 201117a1d523SDeng-Cheng Zhu bool 201217a1d523SDeng-Cheng Zhu default "y" 201317a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 201417a1d523SDeng-Cheng Zhu 20151a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 20161a2a6d7eSDeng-Cheng Zhu bool 20171a2a6d7eSDeng-Cheng Zhu default "y" 20181a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 20191a2a6d7eSDeng-Cheng Zhu 2020e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2021e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2022e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2023e01402b1SRalf Baechle default y 2024e01402b1SRalf Baechle help 2025e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2026e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2027e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2028e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2029e01402b1SRalf Baechle 2030e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2031e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2032e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 20335e83d430SRalf Baechle help 2034e01402b1SRalf Baechle 2035da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2036da615cf6SDeng-Cheng Zhu bool 2037da615cf6SDeng-Cheng Zhu default "y" 2038da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2039da615cf6SDeng-Cheng Zhu 20402c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 20412c973ef0SDeng-Cheng Zhu bool 20422c973ef0SDeng-Cheng Zhu default "y" 20432c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 20442c973ef0SDeng-Cheng Zhu 20454a16ff4cSRalf Baechleconfig MIPS_CMP 20465cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 2047b633648cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 204872e20142SPaul Burton select MIPS_GIC_IPI 2049b10b43baSMarkos Chandras select SMP 2050eb9b5141STim Anderson select SYNC_R4K 2051b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 20524a16ff4cSRalf Baechle select WEAK_ORDERING 20534a16ff4cSRalf Baechle default n 20544a16ff4cSRalf Baechle help 2055044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2056044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2057044505c7SPaul Burton its ability to start secondary CPUs. 20584a16ff4cSRalf Baechle 20595cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 20605cac93b3SPaul Burton instead of this. 20615cac93b3SPaul Burton 20620ee958e1SPaul Burtonconfig MIPS_CPS 20630ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 20640ee958e1SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 20650ee958e1SPaul Burton select MIPS_CM 20660ee958e1SPaul Burton select MIPS_CPC 20671d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 20680ee958e1SPaul Burton select MIPS_GIC_IPI 20690ee958e1SPaul Burton select SMP 20700ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 20711d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 20720ee958e1SPaul Burton select SYS_SUPPORTS_SMP 20730ee958e1SPaul Burton select WEAK_ORDERING 20740ee958e1SPaul Burton help 20750ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 20760ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 20770ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 20780ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 20790ee958e1SPaul Burton support is unavailable. 20800ee958e1SPaul Burton 20813179d37eSPaul Burtonconfig MIPS_CPS_PM 208239a59593SMarkos Chandras depends on MIPS_CPS 2083a8b84677SPaul Burton select MIPS_CPC 20843179d37eSPaul Burton bool 20853179d37eSPaul Burton 208672e20142SPaul Burtonconfig MIPS_GIC_IPI 208772e20142SPaul Burton bool 208872e20142SPaul Burton 20899f98f3ddSPaul Burtonconfig MIPS_CM 20909f98f3ddSPaul Burton bool 20919f98f3ddSPaul Burton 20929c38cf44SPaul Burtonconfig MIPS_CPC 20939c38cf44SPaul Burton bool 20942600990eSRalf Baechle 20951da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 20961da177e4SLinus Torvalds bool 20971da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 20981da177e4SLinus Torvalds default y 20991da177e4SLinus Torvalds 21001da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 21011da177e4SLinus Torvalds bool 21021da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 21031da177e4SLinus Torvalds default y 21041da177e4SLinus Torvalds 21051da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 21061da177e4SLinus Torvalds bool 21071da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 21081da177e4SLinus Torvalds default y 21091da177e4SLinus Torvalds 21102235a54dSSanjay Lal 21111da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 2112d806cb2bSRalf Baechle bool 21131da177e4SLinus Torvalds 211460ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 211560ec6571Spascal@pabr.org def_bool 64BIT_PHYS_ADDR 211660ec6571Spascal@pabr.org 21179693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 21189693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 21199693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 21209693a853SFranck Bui-Huu help 21219693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 21229693a853SFranck Bui-Huu increased security at both hardware and software level for 21239693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 21249693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 21259693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 21269693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 21279693a853SFranck Bui-Huu here. 21289693a853SFranck Bui-Huu 2129bce86083SSteven J. Hillconfig CPU_MICROMIPS 2130bce86083SSteven J. Hill depends on SYS_SUPPORTS_MICROMIPS 2131bce86083SSteven J. Hill bool "Build kernel using microMIPS ISA" 2132bce86083SSteven J. Hill help 2133bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2134bce86083SSteven J. Hill microMIPS ISA 2135bce86083SSteven J. Hill 2136a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 21374af94d5dSPaul Burton bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" 2138a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 21392a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2140a5e9a69eSPaul Burton help 2141a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2142a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 21431db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 21441db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 21451db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 21461db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 21471db1af84SPaul Burton the size & complexity of your kernel. 2148a5e9a69eSPaul Burton 2149a5e9a69eSPaul Burton If unsure, say Y. 2150a5e9a69eSPaul Burton 21511da177e4SLinus Torvaldsconfig CPU_HAS_WB 2152f7062ddbSRalf Baechle bool 2153e01402b1SRalf Baechle 2154df0ac8a4SKevin Cernekeeconfig XKS01 2155df0ac8a4SKevin Cernekee bool 2156df0ac8a4SKevin Cernekee 2157f41ae0b2SRalf Baechle# 2158f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2159f41ae0b2SRalf Baechle# 2160e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2161f41ae0b2SRalf Baechle bool 2162e01402b1SRalf Baechle 2163f41ae0b2SRalf Baechle# 2164f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2165f41ae0b2SRalf Baechle# 2166e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2167f41ae0b2SRalf Baechle bool 2168e01402b1SRalf Baechle 21691da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 21701da177e4SLinus Torvalds bool 21711da177e4SLinus Torvalds depends on !CPU_R3000 21721da177e4SLinus Torvalds default y 21731da177e4SLinus Torvalds 21741da177e4SLinus Torvalds# 217520d60d99SMaciej W. Rozycki# CPU non-features 217620d60d99SMaciej W. Rozycki# 217720d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 217820d60d99SMaciej W. Rozycki bool 217920d60d99SMaciej W. Rozycki 218020d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 218120d60d99SMaciej W. Rozycki bool 218220d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 218320d60d99SMaciej W. Rozycki 218420d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 218520d60d99SMaciej W. Rozycki bool 218620d60d99SMaciej W. Rozycki 218720d60d99SMaciej W. Rozycki# 21881da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 21891da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 21901da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 21911da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 21921da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 21931da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 21941da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 21951da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2196797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2197797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2198797798c1SRalf Baechle# support. 21991da177e4SLinus Torvalds# 22001da177e4SLinus Torvaldsconfig HIGHMEM 22011da177e4SLinus Torvalds bool "High Memory Support" 2202a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2203797798c1SRalf Baechle 2204797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2205797798c1SRalf Baechle bool 2206797798c1SRalf Baechle 2207797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2208797798c1SRalf Baechle bool 22091da177e4SLinus Torvalds 22109693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 22119693a853SFranck Bui-Huu bool 22129693a853SFranck Bui-Huu 2213a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2214a6a4834cSSteven J. Hill bool 2215a6a4834cSSteven J. Hill 2216377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2217377cb1b6SRalf Baechle bool 2218377cb1b6SRalf Baechle help 2219377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2220377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2221377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2222377cb1b6SRalf Baechle 2223a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2224a5e9a69eSPaul Burton bool 2225a5e9a69eSPaul Burton 2226b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2227b4819b59SYoichi Yuasa def_bool y 2228f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2229b4819b59SYoichi Yuasa 2230d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2231d8cb4e11SRalf Baechle bool 2232d8cb4e11SRalf Baechle default y if SGI_IP27 2233d8cb4e11SRalf Baechle help 22343dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2235d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2236d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2237d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2238d8cb4e11SRalf Baechle 2239b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2240b1c6cd42SAtsushi Nemoto bool 22417de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 224231473747SAtsushi Nemoto 2243d8cb4e11SRalf Baechleconfig NUMA 2244d8cb4e11SRalf Baechle bool "NUMA Support" 2245d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2246d8cb4e11SRalf Baechle help 2247d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2248d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2249d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2250d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2251d8cb4e11SRalf Baechle disabled. 2252d8cb4e11SRalf Baechle 2253d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2254d8cb4e11SRalf Baechle bool 2255d8cb4e11SRalf Baechle 2256c80d79d7SYasunori Gotoconfig NODES_SHIFT 2257c80d79d7SYasunori Goto int 2258c80d79d7SYasunori Goto default "6" 2259c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2260c80d79d7SYasunori Goto 226114f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 226214f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2263b633648cSRalf Baechle depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) 226414f70012SDeng-Cheng Zhu default y 226514f70012SDeng-Cheng Zhu help 226614f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 226714f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 226814f70012SDeng-Cheng Zhu 2269b4819b59SYoichi Yuasasource "mm/Kconfig" 2270b4819b59SYoichi Yuasa 22711da177e4SLinus Torvaldsconfig SMP 22721da177e4SLinus Torvalds bool "Multi-Processing support" 2273e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2274e73ea273SRalf Baechle help 22751da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 22764a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 22774a474157SRobert Graffham than one CPU, say Y. 22781da177e4SLinus Torvalds 22794a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 22801da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 22811da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 22824a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 22831da177e4SLinus Torvalds will run faster if you say N here. 22841da177e4SLinus Torvalds 22851da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 22861da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 22871da177e4SLinus Torvalds 228803502faaSAdrian Bunk See also the SMP-HOWTO available at 228903502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 22901da177e4SLinus Torvalds 22911da177e4SLinus Torvalds If you don't know what to do here, say N. 22921da177e4SLinus Torvalds 229387353d8aSRalf Baechleconfig SMP_UP 229487353d8aSRalf Baechle bool 229587353d8aSRalf Baechle 22964a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 22974a16ff4cSRalf Baechle bool 22984a16ff4cSRalf Baechle 22990ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 23000ee958e1SPaul Burton bool 23010ee958e1SPaul Burton 2302e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2303e73ea273SRalf Baechle bool 2304e73ea273SRalf Baechle 2305130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2306130e2fb7SRalf Baechle bool 2307130e2fb7SRalf Baechle 2308130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2309130e2fb7SRalf Baechle bool 2310130e2fb7SRalf Baechle 2311130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2312130e2fb7SRalf Baechle bool 2313130e2fb7SRalf Baechle 2314130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2315130e2fb7SRalf Baechle bool 2316130e2fb7SRalf Baechle 2317130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2318130e2fb7SRalf Baechle bool 2319130e2fb7SRalf Baechle 23201da177e4SLinus Torvaldsconfig NR_CPUS 2321a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2322a91796a9SJayachandran C range 2 256 23231da177e4SLinus Torvalds depends on SMP 2324130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2325130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2326130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2327130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2328130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 23291da177e4SLinus Torvalds help 23301da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 23311da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 23321da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 233372ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 233472ede9b1SAtsushi Nemoto and 2 for all others. 23351da177e4SLinus Torvalds 23361da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 233772ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 233872ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 233972ede9b1SAtsushi Nemoto power of two. 23401da177e4SLinus Torvalds 2341399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2342399aaa25SAl Cooper bool 2343399aaa25SAl Cooper 23441723b4a3SAtsushi Nemoto# 23451723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 23461723b4a3SAtsushi Nemoto# 23471723b4a3SAtsushi Nemoto 23481723b4a3SAtsushi Nemotochoice 23491723b4a3SAtsushi Nemoto prompt "Timer frequency" 23501723b4a3SAtsushi Nemoto default HZ_250 23511723b4a3SAtsushi Nemoto help 23521723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 23531723b4a3SAtsushi Nemoto 23541723b4a3SAtsushi Nemoto config HZ_48 23550f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 23561723b4a3SAtsushi Nemoto 23571723b4a3SAtsushi Nemoto config HZ_100 23581723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 23591723b4a3SAtsushi Nemoto 23601723b4a3SAtsushi Nemoto config HZ_128 23611723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 23621723b4a3SAtsushi Nemoto 23631723b4a3SAtsushi Nemoto config HZ_250 23641723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 23651723b4a3SAtsushi Nemoto 23661723b4a3SAtsushi Nemoto config HZ_256 23671723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 23681723b4a3SAtsushi Nemoto 23691723b4a3SAtsushi Nemoto config HZ_1000 23701723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 23711723b4a3SAtsushi Nemoto 23721723b4a3SAtsushi Nemoto config HZ_1024 23731723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 23741723b4a3SAtsushi Nemoto 23751723b4a3SAtsushi Nemotoendchoice 23761723b4a3SAtsushi Nemoto 23771723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 23781723b4a3SAtsushi Nemoto bool 23791723b4a3SAtsushi Nemoto 23801723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 23811723b4a3SAtsushi Nemoto bool 23821723b4a3SAtsushi Nemoto 23831723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 23841723b4a3SAtsushi Nemoto bool 23851723b4a3SAtsushi Nemoto 23861723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 23871723b4a3SAtsushi Nemoto bool 23881723b4a3SAtsushi Nemoto 23891723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 23901723b4a3SAtsushi Nemoto bool 23911723b4a3SAtsushi Nemoto 23921723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 23931723b4a3SAtsushi Nemoto bool 23941723b4a3SAtsushi Nemoto 23951723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 23961723b4a3SAtsushi Nemoto bool 23971723b4a3SAtsushi Nemoto 23981723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 23991723b4a3SAtsushi Nemoto bool 24001723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 24011723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 24021723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 24031723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 24041723b4a3SAtsushi Nemoto 24051723b4a3SAtsushi Nemotoconfig HZ 24061723b4a3SAtsushi Nemoto int 24071723b4a3SAtsushi Nemoto default 48 if HZ_48 24081723b4a3SAtsushi Nemoto default 100 if HZ_100 24091723b4a3SAtsushi Nemoto default 128 if HZ_128 24101723b4a3SAtsushi Nemoto default 250 if HZ_250 24111723b4a3SAtsushi Nemoto default 256 if HZ_256 24121723b4a3SAtsushi Nemoto default 1000 if HZ_1000 24131723b4a3SAtsushi Nemoto default 1024 if HZ_1024 24141723b4a3SAtsushi Nemoto 2415e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 24161da177e4SLinus Torvalds 2417ea6e942bSAtsushi Nemotoconfig KEXEC 24187d60717eSKees Cook bool "Kexec system call" 2419ea6e942bSAtsushi Nemoto help 2420ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2421ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 24223dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2423ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2424ea6e942bSAtsushi Nemoto 242501dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2426ea6e942bSAtsushi Nemoto 2427ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2428ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2429bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2430bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2431bf220695SGeert Uytterhoeven made. 2432ea6e942bSAtsushi Nemoto 24337aa1c8f4SRalf Baechleconfig CRASH_DUMP 24347aa1c8f4SRalf Baechle bool "Kernel crash dumps" 24357aa1c8f4SRalf Baechle help 24367aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 24377aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 24387aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 24397aa1c8f4SRalf Baechle a specially reserved region and then later executed after 24407aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 24417aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 24427aa1c8f4SRalf Baechle PHYSICAL_START. 24437aa1c8f4SRalf Baechle 24447aa1c8f4SRalf Baechleconfig PHYSICAL_START 24457aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 24467aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 24477aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 24487aa1c8f4SRalf Baechle depends on CRASH_DUMP 24497aa1c8f4SRalf Baechle help 24507aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 24517aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 24527aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 24537aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 24547aa1c8f4SRalf Baechle passed to the panic-ed kernel). 24557aa1c8f4SRalf Baechle 2456ea6e942bSAtsushi Nemotoconfig SECCOMP 2457ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2458293c5bd1SRalf Baechle depends on PROC_FS 2459ea6e942bSAtsushi Nemoto default y 2460ea6e942bSAtsushi Nemoto help 2461ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2462ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2463ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2464ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2465ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2466ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2467ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2468ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2469ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2470ea6e942bSAtsushi Nemoto 2471ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2472ea6e942bSAtsushi Nemoto 2473597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 247406e2e882SPaul Burton bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" 2475597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2476597ce172SPaul Burton help 2477597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2478597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2479597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2480597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2481597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2482597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2483597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2484597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2485597ce172SPaul Burton saying N here. 2486597ce172SPaul Burton 248706e2e882SPaul Burton Although binutils currently supports use of this flag the details 248806e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 248906e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 249006e2e882SPaul Burton behaviour before the details have been finalised, this option should 249106e2e882SPaul Burton be considered experimental and only enabled by those working upon 249206e2e882SPaul Burton said details. 249306e2e882SPaul Burton 249406e2e882SPaul Burton If unsure, say N. 2495597ce172SPaul Burton 2496f2ffa5abSDezhong Diaoconfig USE_OF 24970b3e06fdSJonas Gorski bool 2498f2ffa5abSDezhong Diao select OF 2499e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2500abd2363fSGrant Likely select IRQ_DOMAIN 2501f2ffa5abSDezhong Diao 25027fafb068SAndrew Brestickerconfig BUILTIN_DTB 25037fafb068SAndrew Bresticker bool 25047fafb068SAndrew Bresticker 25055e83d430SRalf Baechleendmenu 25065e83d430SRalf Baechle 25071df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 25081df0f0ffSAtsushi Nemoto bool 25091df0f0ffSAtsushi Nemoto default y 25101df0f0ffSAtsushi Nemoto 25111df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 25121df0f0ffSAtsushi Nemoto bool 25131df0f0ffSAtsushi Nemoto default y 25141df0f0ffSAtsushi Nemoto 2515b6c3539bSRalf Baechlesource "init/Kconfig" 2516b6c3539bSRalf Baechle 2517dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2518dc52ddc0SMatt Helsley 25191da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 25201da177e4SLinus Torvalds 25215e83d430SRalf Baechleconfig HW_HAS_EISA 25225e83d430SRalf Baechle bool 25231da177e4SLinus Torvaldsconfig HW_HAS_PCI 25241da177e4SLinus Torvalds bool 25251da177e4SLinus Torvalds 25261da177e4SLinus Torvaldsconfig PCI 25271da177e4SLinus Torvalds bool "Support for PCI controller" 25281da177e4SLinus Torvalds depends on HW_HAS_PCI 2529abb4ae46SRalf Baechle select PCI_DOMAINS 25300f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 25311da177e4SLinus Torvalds help 25321da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 25331da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 25341da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 25351da177e4SLinus Torvalds say Y, otherwise N. 25361da177e4SLinus Torvalds 25370e476d91SHuacai Chenconfig HT_PCI 25380e476d91SHuacai Chen bool "Support for HT-linked PCI" 25390e476d91SHuacai Chen default y 25400e476d91SHuacai Chen depends on CPU_LOONGSON3 25410e476d91SHuacai Chen select PCI 25420e476d91SHuacai Chen select PCI_DOMAINS 25430e476d91SHuacai Chen help 25440e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 25450e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 25460e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 25470e476d91SHuacai Chen 25481da177e4SLinus Torvaldsconfig PCI_DOMAINS 25491da177e4SLinus Torvalds bool 25501da177e4SLinus Torvalds 25511da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 25521da177e4SLinus Torvalds 25533f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 25543f787ca4SJonas Gorski 25551da177e4SLinus Torvalds# 25561da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 25571da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 25581da177e4SLinus Torvalds# users to choose the right thing ... 25591da177e4SLinus Torvalds# 25601da177e4SLinus Torvaldsconfig ISA 25611da177e4SLinus Torvalds bool 25621da177e4SLinus Torvalds 25631da177e4SLinus Torvaldsconfig EISA 25641da177e4SLinus Torvalds bool "EISA support" 25655e83d430SRalf Baechle depends on HW_HAS_EISA 25661da177e4SLinus Torvalds select ISA 2567aa414dffSRalf Baechle select GENERIC_ISA_DMA 25681da177e4SLinus Torvalds ---help--- 25691da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 25701da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 25711da177e4SLinus Torvalds 25721da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 25731da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 25741da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 25751da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 25761da177e4SLinus Torvalds 25771da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 25781da177e4SLinus Torvalds 25791da177e4SLinus Torvalds Otherwise, say N. 25801da177e4SLinus Torvalds 25811da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 25821da177e4SLinus Torvalds 25831da177e4SLinus Torvaldsconfig TC 25841da177e4SLinus Torvalds bool "TURBOchannel support" 25851da177e4SLinus Torvalds depends on MACH_DECSTATION 25861da177e4SLinus Torvalds help 258750a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 258850a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 258950a23e6eSJustin P. Mattock at: 259050a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 259150a23e6eSJustin P. Mattock and: 259250a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 259350a23e6eSJustin P. Mattock Linux driver support status is documented at: 259450a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 25951da177e4SLinus Torvalds 25961da177e4SLinus Torvaldsconfig MMU 25971da177e4SLinus Torvalds bool 25981da177e4SLinus Torvalds default y 25991da177e4SLinus Torvalds 2600d865bea4SRalf Baechleconfig I8253 2601d865bea4SRalf Baechle bool 2602798778b8SRussell King select CLKSRC_I8253 26032d02612fSThomas Gleixner select CLKEVT_I8253 26049726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2605d865bea4SRalf Baechle 2606e05eb3f8SRalf Baechleconfig ZONE_DMA 2607e05eb3f8SRalf Baechle bool 2608e05eb3f8SRalf Baechle 2609cce335aeSRalf Baechleconfig ZONE_DMA32 2610cce335aeSRalf Baechle bool 2611cce335aeSRalf Baechle 26121da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 26131da177e4SLinus Torvalds 26141da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 26151da177e4SLinus Torvalds 2616388b78adSAlexandre Bounineconfig RAPIDIO 261756abde72SAlexandre Bounine tristate "RapidIO support" 2618388b78adSAlexandre Bounine depends on PCI 2619388b78adSAlexandre Bounine default n 2620388b78adSAlexandre Bounine help 2621388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2622388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2623388b78adSAlexandre Bounine 2624388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2625388b78adSAlexandre Bounine 26261da177e4SLinus Torvaldsendmenu 26271da177e4SLinus Torvalds 26281da177e4SLinus Torvaldsmenu "Executable file formats" 26291da177e4SLinus Torvalds 26301da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 26311da177e4SLinus Torvalds 26321da177e4SLinus Torvaldsconfig TRAD_SIGNALS 26331da177e4SLinus Torvalds bool 26341da177e4SLinus Torvalds 26351da177e4SLinus Torvaldsconfig MIPS32_COMPAT 26361da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2637875d43e7SRalf Baechle depends on 64BIT 26381da177e4SLinus Torvalds help 26391da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 26401da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 26411da177e4SLinus Torvalds currently 32-bit you should say Y here. 26421da177e4SLinus Torvalds 26431da177e4SLinus Torvaldsconfig COMPAT 26441da177e4SLinus Torvalds bool 26451da177e4SLinus Torvalds depends on MIPS32_COMPAT 264648b25c43SChris Metcalf select ARCH_WANT_OLD_COMPAT_IPC 26471da177e4SLinus Torvalds default y 26481da177e4SLinus Torvalds 264905e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 265005e43966SAtsushi Nemoto bool 265105e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 265205e43966SAtsushi Nemoto default y 265305e43966SAtsushi Nemoto 26541da177e4SLinus Torvaldsconfig MIPS32_O32 26551da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 26561da177e4SLinus Torvalds depends on MIPS32_COMPAT 26571da177e4SLinus Torvalds help 26581da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 26591da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 26601da177e4SLinus Torvalds existing binaries are in this format. 26611da177e4SLinus Torvalds 26621da177e4SLinus Torvalds If unsure, say Y. 26631da177e4SLinus Torvalds 26641da177e4SLinus Torvaldsconfig MIPS32_N32 26651da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 26661da177e4SLinus Torvalds depends on MIPS32_COMPAT 26671da177e4SLinus Torvalds help 26681da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 26691da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 26701da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 26711da177e4SLinus Torvalds cases. 26721da177e4SLinus Torvalds 26731da177e4SLinus Torvalds If unsure, say N. 26741da177e4SLinus Torvalds 26751da177e4SLinus Torvaldsconfig BINFMT_ELF32 26761da177e4SLinus Torvalds bool 26771da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 26781da177e4SLinus Torvalds 26792116245eSRalf Baechleendmenu 26801da177e4SLinus Torvalds 26812116245eSRalf Baechlemenu "Power management options" 2682952fa954SRodolfo Giometti 2683363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2684363c55caSWu Zhangjin def_bool y 26853f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2686363c55caSWu Zhangjin 2687f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2688f4cb5700SJohannes Berg def_bool y 26893f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2690f4cb5700SJohannes Berg 26912116245eSRalf Baechlesource "kernel/power/Kconfig" 2692952fa954SRodolfo Giometti 26931da177e4SLinus Torvaldsendmenu 26941da177e4SLinus Torvalds 26957a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 26967a998935SViresh Kumar bool 26977a998935SViresh Kumar 26987a998935SViresh Kumarmenu "CPU Power Management" 2699c095ebafSPaul Burton 2700c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 27017a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 27027a998935SViresh Kumarendif 27039726b43aSWu Zhangjin 2704c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2705c095ebafSPaul Burton 2706c095ebafSPaul Burtonendmenu 2707c095ebafSPaul Burton 2708d5950b43SSam Ravnborgsource "net/Kconfig" 2709d5950b43SSam Ravnborg 27101da177e4SLinus Torvaldssource "drivers/Kconfig" 27111da177e4SLinus Torvalds 271298cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 271398cdee0eSRalf Baechle 27141da177e4SLinus Torvaldssource "fs/Kconfig" 27151da177e4SLinus Torvalds 27161da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 27171da177e4SLinus Torvalds 27181da177e4SLinus Torvaldssource "security/Kconfig" 27191da177e4SLinus Torvalds 27201da177e4SLinus Torvaldssource "crypto/Kconfig" 27211da177e4SLinus Torvalds 27221da177e4SLinus Torvaldssource "lib/Kconfig" 27232235a54dSSanjay Lal 27242235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2725