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 100*43cc739fSSergey Ryazanovconfig ATH25 101*43cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 102*43cc739fSSergey Ryazanov select CEVT_R4K 103*43cc739fSSergey Ryazanov select CSRC_R4K 104*43cc739fSSergey Ryazanov select DMA_NONCOHERENT 105*43cc739fSSergey Ryazanov select IRQ_CPU 106*43cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 107*43cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 108*43cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 109*43cc739fSSergey Ryazanov help 110*43cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 111*43cc739fSSergey Ryazanov 112d4a67d9dSGabor Juhosconfig ATH79 113d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 1146eae43c5SGabor Juhos select ARCH_REQUIRE_GPIOLIB 115d4a67d9dSGabor Juhos select BOOT_RAW 116d4a67d9dSGabor Juhos select CEVT_R4K 117d4a67d9dSGabor Juhos select CSRC_R4K 118d4a67d9dSGabor Juhos select DMA_NONCOHERENT 11994638067SGabor Juhos select HAVE_CLK 1202c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 121d4a67d9dSGabor Juhos select IRQ_CPU 1220aabf1a4SGabor Juhos select MIPS_MACHINE 123d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 124d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 125d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 126d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 127377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 128d4a67d9dSGabor Juhos help 129d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 130d4a67d9dSGabor Juhos 131d666cd02SKevin Cernekeeconfig BCM3384 132d666cd02SKevin Cernekee bool "Broadcom BCM3384 based boards" 133d666cd02SKevin Cernekee select BOOT_RAW 134d666cd02SKevin Cernekee select NO_EXCEPT_FILL 135d666cd02SKevin Cernekee select USE_OF 136d666cd02SKevin Cernekee select CEVT_R4K 137d666cd02SKevin Cernekee select CSRC_R4K 138d666cd02SKevin Cernekee select SYNC_R4K 139d666cd02SKevin Cernekee select COMMON_CLK 140d666cd02SKevin Cernekee select DMA_NONCOHERENT 141d666cd02SKevin Cernekee select IRQ_CPU 142d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 143d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 144d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 145d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 146d666cd02SKevin Cernekee select SWAP_IO_SPACE 147d666cd02SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC 148d666cd02SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO 149d666cd02SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC 150d666cd02SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO 151d666cd02SKevin Cernekee help 152d666cd02SKevin Cernekee Support for BCM3384 based boards. BCM3384/BCM33843 is a cable modem 153d666cd02SKevin Cernekee chipset with a Linux application processor that is often used to 154d666cd02SKevin Cernekee provide Samba services, a CUPS print server, and/or advanced routing 155d666cd02SKevin Cernekee features. 156d666cd02SKevin Cernekee 1571c0c13ebSAurelien Jarnoconfig BCM47XX 158c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 1592da4c74dSHauke Mehrtens select ARCH_WANT_OPTIONAL_GPIOLIB 160fe08f8c2SHauke Mehrtens select BOOT_RAW 16142f77542SRalf Baechle select CEVT_R4K 162940f6b48SRalf Baechle select CSRC_R4K 1631c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1641c0c13ebSAurelien Jarno select HW_HAS_PCI 1651c0c13ebSAurelien Jarno select IRQ_CPU 166314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 167dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1681c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1691c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 170377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 17125e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 172e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 173c949c0bcSRafał Miłecki select GPIOLIB 174c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 1751c0c13ebSAurelien Jarno help 1761c0c13ebSAurelien Jarno Support for BCM47XX based boards 1771c0c13ebSAurelien Jarno 178e7300d04SMaxime Bizonconfig BCM63XX 179e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 180ae8de61cSFlorian Fainelli select BOOT_RAW 181e7300d04SMaxime Bizon select CEVT_R4K 182e7300d04SMaxime Bizon select CSRC_R4K 183fc264022SJonas Gorski select SYNC_R4K 184e7300d04SMaxime Bizon select DMA_NONCOHERENT 185e7300d04SMaxime Bizon select IRQ_CPU 186e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 187e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 188e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 189e7300d04SMaxime Bizon select SWAP_IO_SPACE 190e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 1913e82eeebSYoichi Yuasa select HAVE_CLK 192af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 193e7300d04SMaxime Bizon help 194e7300d04SMaxime Bizon Support for BCM63XX based boards 195e7300d04SMaxime Bizon 1961da177e4SLinus Torvaldsconfig MIPS_COBALT 1973fa986faSMartin Michlmayr bool "Cobalt Server" 19842f77542SRalf Baechle select CEVT_R4K 199940f6b48SRalf Baechle select CSRC_R4K 2001097c6acSYoichi Yuasa select CEVT_GT641XX 2011da177e4SLinus Torvalds select DMA_NONCOHERENT 2021da177e4SLinus Torvalds select HW_HAS_PCI 203d865bea4SRalf Baechle select I8253 2041da177e4SLinus Torvalds select I8259 2051da177e4SLinus Torvalds select IRQ_CPU 206d5ab1a69SYoichi Yuasa select IRQ_GT641XX 207252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 208e25bfc92SYoichi Yuasa select PCI 2097cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2100a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 211ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2120e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2135e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 214e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2151da177e4SLinus Torvalds 2161da177e4SLinus Torvaldsconfig MACH_DECSTATION 2173fa986faSMartin Michlmayr bool "DECstations" 2181da177e4SLinus Torvalds select BOOT_ELF32 2196457d9fcSYoichi Yuasa select CEVT_DS1287 22081d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2214247417dSYoichi Yuasa select CSRC_IOASIC 22281d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 22320d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 22420d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 22520d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 2261da177e4SLinus Torvalds select DMA_NONCOHERENT 227ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 2281da177e4SLinus Torvalds select IRQ_CPU 2297cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 2307cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 231ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2327d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2335e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2341723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 2351723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 2361723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 237930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2385e83d430SRalf Baechle help 2391da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2401da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2411da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2441da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2451da177e4SLinus Torvalds 2461da177e4SLinus Torvalds DECstation 5000/50 2471da177e4SLinus Torvalds DECstation 5000/150 2481da177e4SLinus Torvalds DECstation 5000/260 2491da177e4SLinus Torvalds DECsystem 5900/260 2501da177e4SLinus Torvalds 2511da177e4SLinus Torvalds otherwise choose R3000. 2521da177e4SLinus Torvalds 2535e83d430SRalf Baechleconfig MACH_JAZZ 2543fa986faSMartin Michlmayr bool "Jazz family of machines" 2550e2794b0SRalf Baechle select FW_ARC 2560e2794b0SRalf Baechle select FW_ARC32 2575e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 25842f77542SRalf Baechle select CEVT_R4K 259940f6b48SRalf Baechle select CSRC_R4K 260e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2615e83d430SRalf Baechle select GENERIC_ISA_DMA 2628a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 263ea202c63SThomas Bogendoerfer select IRQ_CPU 264d865bea4SRalf Baechle select I8253 2655e83d430SRalf Baechle select I8259 2665e83d430SRalf Baechle select ISA 2677cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2685e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2697d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2701723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2711da177e4SLinus Torvalds help 2725e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2735e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 274692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 2755e83d430SRalf Baechle Olivetti M700-10 workstations. 2765e83d430SRalf Baechle 2775ebabe59SLars-Peter Clausenconfig MACH_JZ4740 2785ebabe59SLars-Peter Clausen bool "Ingenic JZ4740 based machines" 2795ebabe59SLars-Peter Clausen select SYS_HAS_CPU_MIPS32_R1 2805ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 2815ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 282f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 2835ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 2845ebabe59SLars-Peter Clausen select IRQ_CPU 2855ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 2865ebabe59SLars-Peter Clausen select SYS_HAS_EARLY_PRINTK 287ab5330ebSMaurus Cuelenaere select HAVE_CLK 28883bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 2895ebabe59SLars-Peter Clausen 290171bb2f1SJohn Crispinconfig LANTIQ 291171bb2f1SJohn Crispin bool "Lantiq based platforms" 292171bb2f1SJohn Crispin select DMA_NONCOHERENT 293171bb2f1SJohn Crispin select IRQ_CPU 294171bb2f1SJohn Crispin select CEVT_R4K 295171bb2f1SJohn Crispin select CSRC_R4K 296171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 297171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 298171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 299171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 300377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 301171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 302171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 303171bb2f1SJohn Crispin select ARCH_REQUIRE_GPIOLIB 304171bb2f1SJohn Crispin select SWAP_IO_SPACE 305171bb2f1SJohn Crispin select BOOT_RAW 306287e3f3fSJohn Crispin select HAVE_MACH_CLKDEV 307287e3f3fSJohn Crispin select CLKDEV_LOOKUP 308a0392222SJohn Crispin select USE_OF 3093f8c50c9SJohn Crispin select PINCTRL 3103f8c50c9SJohn Crispin select PINCTRL_LANTIQ 311c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 312c530781cSJohn Crispin select RESET_CONTROLLER 313171bb2f1SJohn Crispin 3141f21d2bdSBrian Murphyconfig LASAT 3151f21d2bdSBrian Murphy bool "LASAT Networks platforms" 31642f77542SRalf Baechle select CEVT_R4K 31716f0bbbcSRalf Baechle select CRC32 318940f6b48SRalf Baechle select CSRC_R4K 3191f21d2bdSBrian Murphy select DMA_NONCOHERENT 3201f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3211f21d2bdSBrian Murphy select HW_HAS_PCI 322a5ccfe5cSRalf Baechle select IRQ_CPU 3231f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 3241f21d2bdSBrian Murphy select MIPS_NILE4 3251f21d2bdSBrian Murphy select R5000_CPU_SCACHE 3261f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 3271f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 3281f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 3291f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 3301f21d2bdSBrian Murphy 33185749d24SWu Zhangjinconfig MACH_LOONGSON 33285749d24SWu Zhangjin bool "Loongson family of machines" 333c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 334ade299d8SYoichi Yuasa help 33585749d24SWu Zhangjin This enables the support of Loongson family of machines. 33685749d24SWu Zhangjin 33785749d24SWu Zhangjin Loongson is a family of general-purpose MIPS-compatible CPUs. 33885749d24SWu Zhangjin developed at Institute of Computing Technology (ICT), 33985749d24SWu Zhangjin Chinese Academy of Sciences (CAS) in the People's Republic 34085749d24SWu Zhangjin of China. The chief architect is Professor Weiwu Hu. 341ade299d8SYoichi Yuasa 342ca585cf9SKelvin Cheungconfig MACH_LOONGSON1 343ca585cf9SKelvin Cheung bool "Loongson 1 family of machines" 344ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 345ca585cf9SKelvin Cheung help 346ca585cf9SKelvin Cheung This enables support for the Loongson 1 based machines. 347ca585cf9SKelvin Cheung 348ca585cf9SKelvin Cheung Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by 349ca585cf9SKelvin Cheung the ICT (Institute of Computing Technology) and the Chinese Academy 350ca585cf9SKelvin Cheung of Sciences. 351ca585cf9SKelvin Cheung 3521da177e4SLinus Torvaldsconfig MIPS_MALTA 3533fa986faSMartin Michlmayr bool "MIPS Malta board" 35461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 3551da177e4SLinus Torvalds select BOOT_ELF32 356fa71c960SRalf Baechle select BOOT_RAW 35742f77542SRalf Baechle select CEVT_R4K 358940f6b48SRalf Baechle select CSRC_R4K 359fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 360885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 3611da177e4SLinus Torvalds select GENERIC_ISA_DMA 3628a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 363aa414dffSRalf Baechle select IRQ_CPU 3648a19b8f1SAndrew Bresticker select MIPS_GIC 3651da177e4SLinus Torvalds select HW_HAS_PCI 366d865bea4SRalf Baechle select I8253 3671da177e4SLinus Torvalds select I8259 3685e83d430SRalf Baechle select MIPS_BONITO64 3699318c51aSChris Dearman select MIPS_CPU_SCACHE 370a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 371252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3725e83d430SRalf Baechle select MIPS_MSC 3731da177e4SLinus Torvalds select SWAP_IO_SPACE 3747cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 3757cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 376bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 3777cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 3785d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 3797cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3807cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 381ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 382ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3835e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3845e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3850365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 386e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 387377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 388f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 3899693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 3901b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 3911da177e4SLinus Torvalds help 392f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 3931da177e4SLinus Torvalds board. 3941da177e4SLinus Torvalds 395ec47b274SSteven J. Hillconfig MIPS_SEAD3 396ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 397ec47b274SSteven J. Hill select BOOT_ELF32 398ec47b274SSteven J. Hill select BOOT_RAW 399f262b5f2SAndrew Bresticker select BUILTIN_DTB 400ec47b274SSteven J. Hill select CEVT_R4K 401ec47b274SSteven J. Hill select CSRC_R4K 402fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 403ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 404ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 405ec47b274SSteven J. Hill select DMA_NONCOHERENT 406ec47b274SSteven J. Hill select IRQ_CPU 4078a19b8f1SAndrew Bresticker select MIPS_GIC 40844327236SQais Yousef select LIBFDT 409ec47b274SSteven J. Hill select MIPS_MSC 410ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 411ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 412ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 413ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 414ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 415ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 416ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 417ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 418ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 419a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 420377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 421ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 422ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 4239b731009SSteven J. Hill select USE_OF 424ec47b274SSteven J. Hill help 425ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 426ec47b274SSteven J. Hill board. 427ec47b274SSteven J. Hill 428a83860c2SRalf Baechleconfig NEC_MARKEINS 429a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 430a83860c2SRalf Baechle select SOC_EMMA2RH 431a83860c2SRalf Baechle select HW_HAS_PCI 432a83860c2SRalf Baechle help 433a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 434ade299d8SYoichi Yuasa 4355e83d430SRalf Baechleconfig MACH_VR41XX 43674142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 43742f77542SRalf Baechle select CEVT_R4K 438940f6b48SRalf Baechle select CSRC_R4K 4397cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 440377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 44127fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 4425e83d430SRalf Baechle 443edb6310aSDaniel Lairdconfig NXP_STB220 444edb6310aSDaniel Laird bool "NXP STB220 board" 445edb6310aSDaniel Laird select SOC_PNX833X 446edb6310aSDaniel Laird help 447edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 448edb6310aSDaniel Laird 449edb6310aSDaniel Lairdconfig NXP_STB225 450edb6310aSDaniel Laird bool "NXP 225 board" 451edb6310aSDaniel Laird select SOC_PNX833X 452edb6310aSDaniel Laird select SOC_PNX8335 453edb6310aSDaniel Laird help 454edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 455edb6310aSDaniel Laird 4569267a30dSMarc St-Jeanconfig PMC_MSP 4579267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 45839d30c13SAnoop P A select CEVT_R4K 45939d30c13SAnoop P A select CSRC_R4K 4609267a30dSMarc St-Jean select DMA_NONCOHERENT 4619267a30dSMarc St-Jean select SWAP_IO_SPACE 4629267a30dSMarc St-Jean select NO_EXCEPT_FILL 4639267a30dSMarc St-Jean select BOOT_RAW 4649267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 4659267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 4669267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 4679267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 468377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 4699267a30dSMarc St-Jean select IRQ_CPU 4709267a30dSMarc St-Jean select SERIAL_8250 4719267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 4729296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 4739296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 4749267a30dSMarc St-Jean help 4759267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 4769267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 4779267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 4789267a30dSMarc St-Jean a variety of MIPS cores. 4799267a30dSMarc St-Jean 480ae2b5bb6SJohn Crispinconfig RALINK 481ae2b5bb6SJohn Crispin bool "Ralink based machines" 482ae2b5bb6SJohn Crispin select CEVT_R4K 483ae2b5bb6SJohn Crispin select CSRC_R4K 484ae2b5bb6SJohn Crispin select BOOT_RAW 485ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 486ae2b5bb6SJohn Crispin select IRQ_CPU 487ae2b5bb6SJohn Crispin select USE_OF 488ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 489ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 490ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 491ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 492377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 493ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 494ae2b5bb6SJohn Crispin select HAVE_MACH_CLKDEV 495ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 4962a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 4972a153f1cSJohn Crispin select RESET_CONTROLLER 498ae2b5bb6SJohn Crispin 4991da177e4SLinus Torvaldsconfig SGI_IP22 5003fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 5010e2794b0SRalf Baechle select FW_ARC 5020e2794b0SRalf Baechle select FW_ARC32 5031da177e4SLinus Torvalds select BOOT_ELF32 50442f77542SRalf Baechle select CEVT_R4K 505940f6b48SRalf Baechle select CSRC_R4K 506e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 5071da177e4SLinus Torvalds select DMA_NONCOHERENT 5085e83d430SRalf Baechle select HW_HAS_EISA 509d865bea4SRalf Baechle select I8253 51068de4803SThomas Bogendoerfer select I8259 5111da177e4SLinus Torvalds select IP22_CPU_SCACHE 5121da177e4SLinus Torvalds select IRQ_CPU 513aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 514e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 515e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 51636e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 517e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 518e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 519e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 5201da177e4SLinus Torvalds select SWAP_IO_SPACE 5217cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5227cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 5232b5e63f6SMartin Michlmayr # 5242b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5252b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5262b5e63f6SMartin Michlmayr # 5272b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5282b5e63f6SMartin Michlmayr # for a more details discussion 5292b5e63f6SMartin Michlmayr # 5302b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 531ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 532ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5335e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 534930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5351da177e4SLinus Torvalds help 5361da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 5371da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 5381da177e4SLinus Torvalds that runs on these, say Y here. 5391da177e4SLinus Torvalds 5401da177e4SLinus Torvaldsconfig SGI_IP27 5413fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 5420e2794b0SRalf Baechle select FW_ARC 5430e2794b0SRalf Baechle select FW_ARC64 5445e83d430SRalf Baechle select BOOT_ELF64 545e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 546634286f1SRalf Baechle select DMA_COHERENT 54736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 5481da177e4SLinus Torvalds select HW_HAS_PCI 549130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 5507cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 551ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5525e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 553d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 5541a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 555930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 5561da177e4SLinus Torvalds help 5571da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 5581da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 5591da177e4SLinus Torvalds here. 5601da177e4SLinus Torvalds 561e2defae5SThomas Bogendoerferconfig SGI_IP28 5627d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 5630e2794b0SRalf Baechle select FW_ARC 5640e2794b0SRalf Baechle select FW_ARC64 565e2defae5SThomas Bogendoerfer select BOOT_ELF64 566e2defae5SThomas Bogendoerfer select CEVT_R4K 567e2defae5SThomas Bogendoerfer select CSRC_R4K 568e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 569e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 570e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 571e2defae5SThomas Bogendoerfer select IRQ_CPU 572e2defae5SThomas Bogendoerfer select HW_HAS_EISA 573e2defae5SThomas Bogendoerfer select I8253 574e2defae5SThomas Bogendoerfer select I8259 575e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 576e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 5775b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 578e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 579e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 580e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 581e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 582e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 5832b5e63f6SMartin Michlmayr # 5842b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5852b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5862b5e63f6SMartin Michlmayr # 5872b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5882b5e63f6SMartin Michlmayr # for a more details discussion 5892b5e63f6SMartin Michlmayr # 5902b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 591e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 592e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 593dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 594e2defae5SThomas Bogendoerfer help 595e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 596e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 597e2defae5SThomas Bogendoerfer 5981da177e4SLinus Torvaldsconfig SGI_IP32 599cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 6000e2794b0SRalf Baechle select FW_ARC 6010e2794b0SRalf Baechle select FW_ARC32 6021da177e4SLinus Torvalds select BOOT_ELF32 60342f77542SRalf Baechle select CEVT_R4K 604940f6b48SRalf Baechle select CSRC_R4K 6051da177e4SLinus Torvalds select DMA_NONCOHERENT 6061da177e4SLinus Torvalds select HW_HAS_PCI 607dd67b155SRalf Baechle select IRQ_CPU 6081da177e4SLinus Torvalds select R5000_CPU_SCACHE 6091da177e4SLinus Torvalds select RM7000_CPU_SCACHE 6107cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6117cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 6127cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 613dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 614ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6155e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6161da177e4SLinus Torvalds help 6171da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 6181da177e4SLinus Torvalds 619ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 620ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 6215e83d430SRalf Baechle select BOOT_ELF32 6225e83d430SRalf Baechle select DMA_COHERENT 6235e83d430SRalf Baechle select SIBYTE_BCM1120 6245e83d430SRalf Baechle select SWAP_IO_SPACE 6257cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6265e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6275e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6285e83d430SRalf Baechle 629ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 630ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 6315e83d430SRalf Baechle select BOOT_ELF32 6325e83d430SRalf Baechle select DMA_COHERENT 6335e83d430SRalf Baechle select SIBYTE_BCM1120 6345e83d430SRalf Baechle select SWAP_IO_SPACE 6357cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6365e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6375e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6385e83d430SRalf Baechle 6395e83d430SRalf Baechleconfig SIBYTE_CRHONE 6403fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 6415e83d430SRalf Baechle select BOOT_ELF32 6425e83d430SRalf Baechle select DMA_COHERENT 6435e83d430SRalf Baechle select SIBYTE_BCM1125 6445e83d430SRalf Baechle select SWAP_IO_SPACE 6457cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6465e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6475e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6485e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6495e83d430SRalf Baechle 650ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 651ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 652ade299d8SYoichi Yuasa select BOOT_ELF32 653ade299d8SYoichi Yuasa select DMA_COHERENT 654ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 655ade299d8SYoichi Yuasa select SWAP_IO_SPACE 656ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 657ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 658ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 659ade299d8SYoichi Yuasa 660ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 661ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 662ade299d8SYoichi Yuasa select BOOT_ELF32 663ade299d8SYoichi Yuasa select DMA_COHERENT 664fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 665ade299d8SYoichi Yuasa select SIBYTE_SB1250 666ade299d8SYoichi Yuasa select SWAP_IO_SPACE 667ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 668ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 669ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 670ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 671cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 672ade299d8SYoichi Yuasa 673ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 674ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 675ade299d8SYoichi Yuasa select BOOT_ELF32 676ade299d8SYoichi Yuasa select DMA_COHERENT 677fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 678ade299d8SYoichi Yuasa select SIBYTE_SB1250 679ade299d8SYoichi Yuasa select SWAP_IO_SPACE 680ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 681ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 682ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 683ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 684ade299d8SYoichi Yuasa 685ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 686ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 687ade299d8SYoichi Yuasa select BOOT_ELF32 688ade299d8SYoichi Yuasa select DMA_COHERENT 689ade299d8SYoichi Yuasa select SIBYTE_SB1250 690ade299d8SYoichi Yuasa select SWAP_IO_SPACE 691ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 692ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 693ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 694ade299d8SYoichi Yuasa 695ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 696ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 697ade299d8SYoichi Yuasa select BOOT_ELF32 698ade299d8SYoichi Yuasa select DMA_COHERENT 699ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 700ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 701ade299d8SYoichi Yuasa select SWAP_IO_SPACE 702ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 703ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 704651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 705ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 706cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 707ade299d8SYoichi Yuasa 70814b36af4SThomas Bogendoerferconfig SNI_RM 70914b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 7100e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 7110e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 712aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 7135e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 7145e83d430SRalf Baechle select BOOT_ELF32 71542f77542SRalf Baechle select CEVT_R4K 716940f6b48SRalf Baechle select CSRC_R4K 717e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 7185e83d430SRalf Baechle select DMA_NONCOHERENT 7195e83d430SRalf Baechle select GENERIC_ISA_DMA 7208a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 7215e83d430SRalf Baechle select HW_HAS_EISA 7225e83d430SRalf Baechle select HW_HAS_PCI 723c066a32aSThomas Bogendoerfer select IRQ_CPU 724d865bea4SRalf Baechle select I8253 7255e83d430SRalf Baechle select I8259 7265e83d430SRalf Baechle select ISA 7274a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 7287cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 7294a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 730c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7314a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 73236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 733ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 7347d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 7354a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7365e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7375e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7381da177e4SLinus Torvalds help 73914b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 74014b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 7415e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 7425e83d430SRalf Baechle support this machine type. 7431da177e4SLinus Torvalds 744edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 745edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 7465e83d430SRalf Baechle 747edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 748edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 74923fbee9dSRalf Baechle 75073b4390fSRalf Baechleconfig MIKROTIK_RB532 75173b4390fSRalf Baechle bool "Mikrotik RB532 boards" 75273b4390fSRalf Baechle select CEVT_R4K 75373b4390fSRalf Baechle select CSRC_R4K 75473b4390fSRalf Baechle select DMA_NONCOHERENT 75573b4390fSRalf Baechle select HW_HAS_PCI 75673b4390fSRalf Baechle select IRQ_CPU 75773b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 75873b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 75973b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 76073b4390fSRalf Baechle select SWAP_IO_SPACE 76173b4390fSRalf Baechle select BOOT_RAW 762d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 763930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 76473b4390fSRalf Baechle help 76573b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 76673b4390fSRalf Baechle based on the IDT RC32434 SoC. 76773b4390fSRalf Baechle 7689ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 7699ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 770a86c7f72SDavid Daney select CEVT_R4K 771a86c7f72SDavid Daney select 64BIT_PHYS_ADDR 772a86c7f72SDavid Daney select DMA_COHERENT 773a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 774a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 775f65aad41SRalf Baechle select EDAC_SUPPORT 776773cb77dSRalf Baechle select SYS_SUPPORTS_HOTPLUG_CPU 777a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 7785e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 779a86c7f72SDavid Daney select SWAP_IO_SPACE 780e8635b48SDavid Daney select HW_HAS_PCI 781f00e001eSDavid Daney select ZONE_DMA32 782465aaed0SDavid Daney select HOLES_IN_ZONE 78399cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 7846e511163SDavid Daney select LIBFDT 7856e511163SDavid Daney select USE_OF 7866e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 7876e511163SDavid Daney select SYS_SUPPORTS_SMP 7886e511163SDavid Daney select NR_CPUS_DEFAULT_16 789e326479fSAndrew Bresticker select BUILTIN_DTB 790a86c7f72SDavid Daney help 791a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 792a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 793a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 794a86c7f72SDavid Daney Some of the supported boards are: 795a86c7f72SDavid Daney EBT3000 796a86c7f72SDavid Daney EBH3000 797a86c7f72SDavid Daney EBH3100 798a86c7f72SDavid Daney Thunder 799a86c7f72SDavid Daney Kodama 800a86c7f72SDavid Daney Hikari 801a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 802a86c7f72SDavid Daney 8037f058e85SJayachandran Cconfig NLM_XLR_BOARD 8047f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 8057f058e85SJayachandran C select BOOT_ELF32 8067f058e85SJayachandran C select NLM_COMMON 8077f058e85SJayachandran C select SYS_HAS_CPU_XLR 8087f058e85SJayachandran C select SYS_SUPPORTS_SMP 8097f058e85SJayachandran C select HW_HAS_PCI 8107f058e85SJayachandran C select SWAP_IO_SPACE 8117f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8127f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 8137f058e85SJayachandran C select 64BIT_PHYS_ADDR 8147f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8157f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 8167f058e85SJayachandran C select DMA_COHERENT 8177f058e85SJayachandran C select NR_CPUS_DEFAULT_32 8187f058e85SJayachandran C select CEVT_R4K 8197f058e85SJayachandran C select CSRC_R4K 8207f058e85SJayachandran C select IRQ_CPU 821b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8227f058e85SJayachandran C select SYNC_R4K 8237f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 8248f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8258f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8267f058e85SJayachandran C help 8277f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 8287f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 8297f058e85SJayachandran C 8301c773ea4SJayachandran Cconfig NLM_XLP_BOARD 8311c773ea4SJayachandran C bool "Netlogic XLP based systems" 8321c773ea4SJayachandran C select BOOT_ELF32 8331c773ea4SJayachandran C select NLM_COMMON 8341c773ea4SJayachandran C select SYS_HAS_CPU_XLP 8351c773ea4SJayachandran C select SYS_SUPPORTS_SMP 8361c773ea4SJayachandran C select HW_HAS_PCI 8371c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8381c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 8391c773ea4SJayachandran C select 64BIT_PHYS_ADDR 8401c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8411c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 8421c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 8431c773ea4SJayachandran C select DMA_COHERENT 8441c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 8451c773ea4SJayachandran C select CEVT_R4K 8461c773ea4SJayachandran C select CSRC_R4K 8471c773ea4SJayachandran C select IRQ_CPU 848b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8491c773ea4SJayachandran C select SYNC_R4K 8501c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 8512f6528e1SJayachandran C select USE_OF 8528f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8538f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8541c773ea4SJayachandran C help 8551c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 8561c773ea4SJayachandran C Say Y here if you have a XLP based board. 8571c773ea4SJayachandran C 8589bc463beSDavid Daneyconfig MIPS_PARAVIRT 8599bc463beSDavid Daney bool "Para-Virtualized guest system" 8609bc463beSDavid Daney select CEVT_R4K 8619bc463beSDavid Daney select CSRC_R4K 8629bc463beSDavid Daney select DMA_COHERENT 8639bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 8649bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 8659bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 8669bc463beSDavid Daney select SYS_SUPPORTS_SMP 8679bc463beSDavid Daney select NR_CPUS_DEFAULT_4 8689bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 8699bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 8709bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 8719bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 8729bc463beSDavid Daney select HW_HAS_PCI 8739bc463beSDavid Daney select SWAP_IO_SPACE 8749bc463beSDavid Daney help 8759bc463beSDavid Daney This option supports guest running under ???? 8769bc463beSDavid Daney 8771da177e4SLinus Torvaldsendchoice 8781da177e4SLinus Torvalds 879e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 880d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 881a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 882e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 8835e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 8845ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 8858ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 8861f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 8870f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 888ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 88929c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 89038b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 89122b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 8925e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 893a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 89485749d24SWu Zhangjinsource "arch/mips/loongson/Kconfig" 895ca585cf9SKelvin Cheungsource "arch/mips/loongson1/Kconfig" 8967f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 897ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 89838b18f72SRalf Baechle 8995e83d430SRalf Baechleendmenu 9005e83d430SRalf Baechle 9011da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 9021da177e4SLinus Torvalds bool 9031da177e4SLinus Torvalds default y 9041da177e4SLinus Torvalds 9051da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 9061da177e4SLinus Torvalds bool 9071da177e4SLinus Torvalds 908f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 909f0d1b0b3SDavid Howells bool 910f0d1b0b3SDavid Howells default n 911f0d1b0b3SDavid Howells 912f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 913f0d1b0b3SDavid Howells bool 914f0d1b0b3SDavid Howells default n 915f0d1b0b3SDavid Howells 9163c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 9173c9ee7efSAkinobu Mita bool 9183c9ee7efSAkinobu Mita default y 9193c9ee7efSAkinobu Mita 9201da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 9211da177e4SLinus Torvalds bool 9221da177e4SLinus Torvalds default y 9231da177e4SLinus Torvalds 924ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 9251cc89038SAtsushi Nemoto bool 9261cc89038SAtsushi Nemoto default y 9271cc89038SAtsushi Nemoto 9281da177e4SLinus Torvalds# 9291da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 9301da177e4SLinus Torvalds# 9310e2794b0SRalf Baechleconfig FW_ARC 9321da177e4SLinus Torvalds bool 9331da177e4SLinus Torvalds 93461ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 93561ed242dSRalf Baechle bool 93661ed242dSRalf Baechle 9379267a30dSMarc St-Jeanconfig BOOT_RAW 9389267a30dSMarc St-Jean bool 9399267a30dSMarc St-Jean 940217dd11eSRalf Baechleconfig CEVT_BCM1480 941217dd11eSRalf Baechle bool 942217dd11eSRalf Baechle 9436457d9fcSYoichi Yuasaconfig CEVT_DS1287 9446457d9fcSYoichi Yuasa bool 9456457d9fcSYoichi Yuasa 9461097c6acSYoichi Yuasaconfig CEVT_GT641XX 9471097c6acSYoichi Yuasa bool 9481097c6acSYoichi Yuasa 94942f77542SRalf Baechleconfig CEVT_R4K 95042f77542SRalf Baechle bool 95142f77542SRalf Baechle 952217dd11eSRalf Baechleconfig CEVT_SB1250 953217dd11eSRalf Baechle bool 954217dd11eSRalf Baechle 955229f773eSAtsushi Nemotoconfig CEVT_TXX9 956229f773eSAtsushi Nemoto bool 957229f773eSAtsushi Nemoto 958217dd11eSRalf Baechleconfig CSRC_BCM1480 959217dd11eSRalf Baechle bool 960217dd11eSRalf Baechle 9614247417dSYoichi Yuasaconfig CSRC_IOASIC 9624247417dSYoichi Yuasa bool 9634247417dSYoichi Yuasa 964940f6b48SRalf Baechleconfig CSRC_R4K 965940f6b48SRalf Baechle bool 966940f6b48SRalf Baechle 967217dd11eSRalf Baechleconfig CSRC_SB1250 968217dd11eSRalf Baechle bool 969217dd11eSRalf Baechle 970a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 9717444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 972a9aec7feSAtsushi Nemoto bool 973a9aec7feSAtsushi Nemoto 9740e2794b0SRalf Baechleconfig FW_CFE 975df78b5c8SAurelien Jarno bool 976df78b5c8SAurelien Jarno 9774bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 9784bafad92SFUJITA Tomonori def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT 9794bafad92SFUJITA Tomonori 980885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 981885014bcSFelix Fietkau select DMA_NONCOHERENT 982885014bcSFelix Fietkau bool 983885014bcSFelix Fietkau 9841da177e4SLinus Torvaldsconfig DMA_COHERENT 9851da177e4SLinus Torvalds bool 9861da177e4SLinus Torvalds 9871da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 9881da177e4SLinus Torvalds bool 989e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 9904ce588cdSRalf Baechle 991e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 9924ce588cdSRalf Baechle bool 9931da177e4SLinus Torvalds 99436a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 9951da177e4SLinus Torvalds bool 9961da177e4SLinus Torvalds 997dbb74540SRalf Baechleconfig HOTPLUG_CPU 9981b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 99940b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 10001b2bc75cSRalf Baechle help 10011b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 10021b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 10031b2bc75cSRalf Baechle (Note: power management support will enable this option 10041b2bc75cSRalf Baechle automatically on SMP systems. ) 10051b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 10061b2bc75cSRalf Baechle 10071b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1008dbb74540SRalf Baechle bool 1009dbb74540SRalf Baechle 10101da177e4SLinus Torvaldsconfig I8259 10111da177e4SLinus Torvalds bool 1012079a4601SAndrew Bresticker select IRQ_DOMAIN 10131da177e4SLinus Torvalds 10141da177e4SLinus Torvaldsconfig MIPS_BONITO64 10151da177e4SLinus Torvalds bool 10161da177e4SLinus Torvalds 10171da177e4SLinus Torvaldsconfig MIPS_MSC 10181da177e4SLinus Torvalds bool 10191da177e4SLinus Torvalds 10201f21d2bdSBrian Murphyconfig MIPS_NILE4 10211f21d2bdSBrian Murphy bool 10221f21d2bdSBrian Murphy 102339b8d525SRalf Baechleconfig SYNC_R4K 102439b8d525SRalf Baechle bool 102539b8d525SRalf Baechle 1026487d70d0SGabor Juhosconfig MIPS_MACHINE 1027487d70d0SGabor Juhos def_bool n 1028487d70d0SGabor Juhos 1029ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1030d388d685SMaciej W. Rozycki def_bool n 1031d388d685SMaciej W. Rozycki 10328313da30SRalf Baechleconfig GENERIC_ISA_DMA 10338313da30SRalf Baechle bool 10348313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1035a35bee8aSNamhyung Kim select ISA_DMA_API 10368313da30SRalf Baechle 1037aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1038aa414dffSRalf Baechle bool 10398313da30SRalf Baechle select GENERIC_ISA_DMA 1040aa414dffSRalf Baechle 1041a35bee8aSNamhyung Kimconfig ISA_DMA_API 1042a35bee8aSNamhyung Kim bool 1043a35bee8aSNamhyung Kim 1044465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1045465aaed0SDavid Daney bool 1046465aaed0SDavid Daney 10475e83d430SRalf Baechle# 10486b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 10495e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 10505e83d430SRalf Baechle# choice statement should be more obvious to the user. 10515e83d430SRalf Baechle# 10525e83d430SRalf Baechlechoice 10536b2aac42SMasanari Iida prompt "Endianness selection" 10541da177e4SLinus Torvalds help 10551da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 10565e83d430SRalf Baechle byte order. These modes require different kernels and a different 10573cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 10585e83d430SRalf Baechle particular system but some systems are just as commonly used in the 10593dde6ad8SDavid Sterba one or the other endianness. 10605e83d430SRalf Baechle 10615e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 10625e83d430SRalf Baechle bool "Big endian" 10635e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 10645e83d430SRalf Baechle 10655e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 10665e83d430SRalf Baechle bool "Little endian" 10675e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 10685e83d430SRalf Baechle 10695e83d430SRalf Baechleendchoice 10705e83d430SRalf Baechle 107122b0763aSDavid Daneyconfig EXPORT_UASM 107222b0763aSDavid Daney bool 107322b0763aSDavid Daney 10742116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 10752116245eSRalf Baechle bool 10762116245eSRalf Baechle 10775e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 10785e83d430SRalf Baechle bool 10795e83d430SRalf Baechle 10805e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 10815e83d430SRalf Baechle bool 10821da177e4SLinus Torvalds 10839cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 10849cffd154SDavid Daney bool 10859cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 10869cffd154SDavid Daney default y 10879cffd154SDavid Daney 1088aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1089aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1090aa1762f4SDavid Daney 10911da177e4SLinus Torvaldsconfig IRQ_CPU 10921da177e4SLinus Torvalds bool 10930f84c305SAndrew Bresticker select IRQ_DOMAIN 10941da177e4SLinus Torvalds 10951da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 10961da177e4SLinus Torvalds bool 10971da177e4SLinus Torvalds 10989267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 10999267a30dSMarc St-Jean bool 11009267a30dSMarc St-Jean 11019267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 11029267a30dSMarc St-Jean bool 11039267a30dSMarc St-Jean 11048420fd00SAtsushi Nemotoconfig IRQ_TXX9 11058420fd00SAtsushi Nemoto bool 11068420fd00SAtsushi Nemoto 1107d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1108d5ab1a69SYoichi Yuasa bool 1109d5ab1a69SYoichi Yuasa 1110252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 11111da177e4SLinus Torvalds bool 11121da177e4SLinus Torvalds 11139267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 11149267a30dSMarc St-Jean bool 11159267a30dSMarc St-Jean 1116a83860c2SRalf Baechleconfig SOC_EMMA2RH 1117a83860c2SRalf Baechle bool 1118a83860c2SRalf Baechle select CEVT_R4K 1119a83860c2SRalf Baechle select CSRC_R4K 1120a83860c2SRalf Baechle select DMA_NONCOHERENT 1121a83860c2SRalf Baechle select IRQ_CPU 1122a83860c2SRalf Baechle select SWAP_IO_SPACE 1123a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1124a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1125a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1126a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1127a83860c2SRalf Baechle 1128edb6310aSDaniel Lairdconfig SOC_PNX833X 1129edb6310aSDaniel Laird bool 1130edb6310aSDaniel Laird select CEVT_R4K 1131edb6310aSDaniel Laird select CSRC_R4K 1132edb6310aSDaniel Laird select IRQ_CPU 1133edb6310aSDaniel Laird select DMA_NONCOHERENT 1134edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1135edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1136edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1137edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1138377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1139edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1140edb6310aSDaniel Laird 1141edb6310aSDaniel Lairdconfig SOC_PNX8335 1142edb6310aSDaniel Laird bool 1143edb6310aSDaniel Laird select SOC_PNX833X 1144edb6310aSDaniel Laird 11451da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 11461da177e4SLinus Torvalds bool 11471da177e4SLinus Torvalds 1148e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1149e2defae5SThomas Bogendoerfer bool 1150e2defae5SThomas Bogendoerfer 11515b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 11525b438c44SThomas Bogendoerfer bool 11535b438c44SThomas Bogendoerfer 1154e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1155e2defae5SThomas Bogendoerfer bool 1156e2defae5SThomas Bogendoerfer 1157e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1158e2defae5SThomas Bogendoerfer bool 1159e2defae5SThomas Bogendoerfer 1160e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1161e2defae5SThomas Bogendoerfer bool 1162e2defae5SThomas Bogendoerfer 1163e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1164e2defae5SThomas Bogendoerfer bool 1165e2defae5SThomas Bogendoerfer 1166e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1167e2defae5SThomas Bogendoerfer bool 1168e2defae5SThomas Bogendoerfer 11690e2794b0SRalf Baechleconfig FW_ARC32 11705e83d430SRalf Baechle bool 11715e83d430SRalf Baechle 1172aaa9fad3SPaul Bolleconfig FW_SNIPROM 1173231a35d3SThomas Bogendoerfer bool 1174231a35d3SThomas Bogendoerfer 11751da177e4SLinus Torvaldsconfig BOOT_ELF32 11761da177e4SLinus Torvalds bool 11771da177e4SLinus Torvalds 1178930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1179930beb5aSFlorian Fainelli bool 1180930beb5aSFlorian Fainelli 1181930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1182930beb5aSFlorian Fainelli bool 1183930beb5aSFlorian Fainelli 1184930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1185930beb5aSFlorian Fainelli bool 1186930beb5aSFlorian Fainelli 1187930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1188930beb5aSFlorian Fainelli bool 1189930beb5aSFlorian Fainelli 11901da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 11911da177e4SLinus Torvalds int 1192a4c0201eSFlorian Fainelli default "4" if MIPS_L1_CACHE_SHIFT_4 1193a4c0201eSFlorian Fainelli default "5" if MIPS_L1_CACHE_SHIFT_5 1194a4c0201eSFlorian Fainelli default "6" if MIPS_L1_CACHE_SHIFT_6 1195a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 11961da177e4SLinus Torvalds default "5" 11971da177e4SLinus Torvalds 11981da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 11991da177e4SLinus Torvalds bool 12001da177e4SLinus Torvalds 12011da177e4SLinus Torvaldsconfig ARC_CONSOLE 12021da177e4SLinus Torvalds bool "ARC console support" 1203e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12041da177e4SLinus Torvalds 12051da177e4SLinus Torvaldsconfig ARC_MEMORY 12061da177e4SLinus Torvalds bool 120714b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 12081da177e4SLinus Torvalds default y 12091da177e4SLinus Torvalds 12101da177e4SLinus Torvaldsconfig ARC_PROMLIB 12111da177e4SLinus Torvalds bool 1212e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 12131da177e4SLinus Torvalds default y 12141da177e4SLinus Torvalds 12150e2794b0SRalf Baechleconfig FW_ARC64 12161da177e4SLinus Torvalds bool 12171da177e4SLinus Torvalds 12181da177e4SLinus Torvaldsconfig BOOT_ELF64 12191da177e4SLinus Torvalds bool 12201da177e4SLinus Torvalds 12211da177e4SLinus Torvaldsmenu "CPU selection" 12221da177e4SLinus Torvalds 12231da177e4SLinus Torvaldschoice 12241da177e4SLinus Torvalds prompt "CPU type" 12251da177e4SLinus Torvalds default CPU_R4X00 12261da177e4SLinus Torvalds 12270e476d91SHuacai Chenconfig CPU_LOONGSON3 12280e476d91SHuacai Chen bool "Loongson 3 CPU" 12290e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 12300e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 12310e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 12320e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 12330e476d91SHuacai Chen select WEAK_ORDERING 12340e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 12350e476d91SHuacai Chen help 12360e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 12370e476d91SHuacai Chen set with many extensions. 12380e476d91SHuacai Chen 12393702bba5SWu Zhangjinconfig CPU_LOONGSON2E 12403702bba5SWu Zhangjin bool "Loongson 2E" 12413702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 12423702bba5SWu Zhangjin select CPU_LOONGSON2 12432a21c730SFuxin Zhang help 12442a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 12452a21c730SFuxin Zhang with many extensions. 12462a21c730SFuxin Zhang 124725985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 12486f7a251aSWu Zhangjin bonito64. 12496f7a251aSWu Zhangjin 12506f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 12516f7a251aSWu Zhangjin bool "Loongson 2F" 12526f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 12536f7a251aSWu Zhangjin select CPU_LOONGSON2 1254c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 12556f7a251aSWu Zhangjin help 12566f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 12576f7a251aSWu Zhangjin with many extensions. 12586f7a251aSWu Zhangjin 12596f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 12606f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 12616f7a251aSWu Zhangjin Loongson2E. 12626f7a251aSWu Zhangjin 1263ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1264ca585cf9SKelvin Cheung bool "Loongson 1B" 1265ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1266ca585cf9SKelvin Cheung select CPU_LOONGSON1 1267ca585cf9SKelvin Cheung help 1268ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1269ca585cf9SKelvin Cheung release 2 instruction set. 1270ca585cf9SKelvin Cheung 12716e760c8dSRalf Baechleconfig CPU_MIPS32_R1 12726e760c8dSRalf Baechle bool "MIPS32 Release 1" 12737cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 12746e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1275797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1276ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12776e760c8dSRalf Baechle help 12785e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 12791e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 12801e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 12811e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 12821e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 12831e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 12841e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 12851e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 12861e5f1caaSRalf Baechle performance. 12871e5f1caaSRalf Baechle 12881e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 12891e5f1caaSRalf Baechle bool "MIPS32 Release 2" 12907cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 12911e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1292797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1293ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1294a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 12952235a54dSSanjay Lal select HAVE_KVM 12961e5f1caaSRalf Baechle help 12975e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 12986e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 12996e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13006e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13016e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13021da177e4SLinus Torvalds 13036e760c8dSRalf Baechleconfig CPU_MIPS64_R1 13046e760c8dSRalf Baechle bool "MIPS64 Release 1" 13057cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1306797798c1SRalf Baechle select CPU_HAS_PREFETCH 1307ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1308ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1309ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13109cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 13116e760c8dSRalf Baechle help 13126e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 13136e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13146e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13156e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13166e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13171e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 13181e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 13191e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 13201e5f1caaSRalf Baechle performance. 13211e5f1caaSRalf Baechle 13221e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 13231e5f1caaSRalf Baechle bool "MIPS64 Release 2" 13247cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1325797798c1SRalf Baechle select CPU_HAS_PREFETCH 13261e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 13271e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1328ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13299cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1330a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13311e5f1caaSRalf Baechle help 13321e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 13331e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 13341e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 13351e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13361e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 13371da177e4SLinus Torvalds 13381da177e4SLinus Torvaldsconfig CPU_R3000 13391da177e4SLinus Torvalds bool "R3000" 13407cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1341f7062ddbSRalf Baechle select CPU_HAS_WB 1342ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1343797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13441da177e4SLinus Torvalds help 13451da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 13461da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 13471da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 13481da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 13491da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 13501da177e4SLinus Torvalds try to recompile with R3000. 13511da177e4SLinus Torvalds 13521da177e4SLinus Torvaldsconfig CPU_TX39XX 13531da177e4SLinus Torvalds bool "R39XX" 13547cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1355ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 13561da177e4SLinus Torvalds 13571da177e4SLinus Torvaldsconfig CPU_VR41XX 13581da177e4SLinus Torvalds bool "R41xx" 13597cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1360ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1361ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 13621da177e4SLinus Torvalds help 13635e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 13641da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 13651da177e4SLinus Torvalds kernel built with this option will not run on any other type of 13661da177e4SLinus Torvalds processor or vice versa. 13671da177e4SLinus Torvalds 13681da177e4SLinus Torvaldsconfig CPU_R4300 13691da177e4SLinus Torvalds bool "R4300" 13707cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1371ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1372ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 13731da177e4SLinus Torvalds help 13741da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 13751da177e4SLinus Torvalds 13761da177e4SLinus Torvaldsconfig CPU_R4X00 13771da177e4SLinus Torvalds bool "R4x00" 13787cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1379ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1380ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1381970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13821da177e4SLinus Torvalds help 13831da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 13841da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 13851da177e4SLinus Torvalds 13861da177e4SLinus Torvaldsconfig CPU_TX49XX 13871da177e4SLinus Torvalds bool "R49XX" 13887cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1389de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1390ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1391ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1392970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 13931da177e4SLinus Torvalds 13941da177e4SLinus Torvaldsconfig CPU_R5000 13951da177e4SLinus Torvalds bool "R5000" 13967cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1397ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1398ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1399970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14001da177e4SLinus Torvalds help 14011da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 14021da177e4SLinus Torvalds 14031da177e4SLinus Torvaldsconfig CPU_R5432 14041da177e4SLinus Torvalds bool "R5432" 14057cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 14065e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14075e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1408970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14091da177e4SLinus Torvalds 1410542c1020SShinya Kuribayashiconfig CPU_R5500 1411542c1020SShinya Kuribayashi bool "R5500" 1412542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1413542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1414542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 14159cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1416542c1020SShinya Kuribayashi help 1417542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1418542c1020SShinya Kuribayashi instruction set. 1419542c1020SShinya Kuribayashi 14201da177e4SLinus Torvaldsconfig CPU_R6000 14211da177e4SLinus Torvalds bool "R6000" 14227cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1423ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 14241da177e4SLinus Torvalds help 14251da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1426c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 14271da177e4SLinus Torvalds 14281da177e4SLinus Torvaldsconfig CPU_NEVADA 14291da177e4SLinus Torvalds bool "RM52xx" 14307cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1431ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1432ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1433970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14341da177e4SLinus Torvalds help 14351da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 14361da177e4SLinus Torvalds 14371da177e4SLinus Torvaldsconfig CPU_R8000 14381da177e4SLinus Torvalds bool "R8000" 14397cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 14405e83d430SRalf Baechle select CPU_HAS_PREFETCH 1441ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14421da177e4SLinus Torvalds help 14431da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 14441da177e4SLinus Torvalds uncommon and the support for them is incomplete. 14451da177e4SLinus Torvalds 14461da177e4SLinus Torvaldsconfig CPU_R10000 14471da177e4SLinus Torvalds bool "R10000" 14487cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 14495e83d430SRalf Baechle select CPU_HAS_PREFETCH 1450ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1451ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1452797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1453970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14541da177e4SLinus Torvalds help 14551da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 14561da177e4SLinus Torvalds 14571da177e4SLinus Torvaldsconfig CPU_RM7000 14581da177e4SLinus Torvalds bool "RM7000" 14597cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 14605e83d430SRalf Baechle select CPU_HAS_PREFETCH 1461ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1462ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1463797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1464970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14651da177e4SLinus Torvalds 14661da177e4SLinus Torvaldsconfig CPU_SB1 14671da177e4SLinus Torvalds bool "SB1" 14687cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1469ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1470ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1471797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1472970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14730004a9dfSRalf Baechle select WEAK_ORDERING 14741da177e4SLinus Torvalds 1475a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1476a86c7f72SDavid Daney bool "Cavium Octeon processor" 14775e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1478a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1479a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1480a86c7f72SDavid Daney select WEAK_ORDERING 1481a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 14829cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14839296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 1484930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1485a86c7f72SDavid Daney help 1486a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1487a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1488a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1489a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1490a86c7f72SDavid Daney 1491cd746249SJonas Gorskiconfig CPU_BMIPS 1492cd746249SJonas Gorski bool "Broadcom BMIPS" 1493cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1494cd746249SJonas Gorski select CPU_MIPS32 1495fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1496cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1497cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1498cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1499cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1500cd746249SJonas Gorski select DMA_NONCOHERENT 1501cd746249SJonas Gorski select IRQ_CPU 1502cd746249SJonas Gorski select SWAP_IO_SPACE 1503cd746249SJonas Gorski select WEAK_ORDERING 1504c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 150569aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1506c1c0c461SKevin Cernekee help 1507fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1508c1c0c461SKevin Cernekee 15097f058e85SJayachandran Cconfig CPU_XLR 15107f058e85SJayachandran C bool "Netlogic XLR SoC" 15117f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 15127f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 15137f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 15147f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1515970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15167f058e85SJayachandran C select WEAK_ORDERING 15177f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 15187f058e85SJayachandran C help 15197f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 15201c773ea4SJayachandran C 15211c773ea4SJayachandran Cconfig CPU_XLP 15221c773ea4SJayachandran C bool "Netlogic XLP SoC" 15231c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 15241c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 15251c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 15261c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 15271c773ea4SJayachandran C select WEAK_ORDERING 15281c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 15291c773ea4SJayachandran C select CPU_HAS_PREFETCH 1530d6504846SJayachandran C select CPU_MIPSR2 15311c773ea4SJayachandran C help 15321c773ea4SJayachandran C Netlogic Microsystems XLP processors. 15331da177e4SLinus Torvaldsendchoice 15341da177e4SLinus Torvalds 1535a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1536a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1537a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1538a6e18781SLeonid Yegoshin depends on CPU_MIPS32_R2 1539a6e18781SLeonid Yegoshin help 1540a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1541a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1542a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1543a6e18781SLeonid Yegoshin 1544a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1545a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1546a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1547a6e18781SLeonid Yegoshin select EVA 1548a6e18781SLeonid Yegoshin default y 1549a6e18781SLeonid Yegoshin help 1550a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1551a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1552a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1553a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1554a6e18781SLeonid Yegoshin 1555622844bfSWu Zhangjinif CPU_LOONGSON2F 1556622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1557622844bfSWu Zhangjin bool 1558622844bfSWu Zhangjin 1559622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1560622844bfSWu Zhangjin bool 1561622844bfSWu Zhangjin 1562622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1563622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1564622844bfSWu Zhangjin default y 1565622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1566622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1567622844bfSWu Zhangjin help 1568622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1569622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1570622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1571622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1572622844bfSWu Zhangjin 1573622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1574622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1575622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1576622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1577622844bfSWu Zhangjin systems. 1578622844bfSWu Zhangjin 1579622844bfSWu Zhangjin If unsure, please say Y. 1580622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1581622844bfSWu Zhangjin 15821b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 15831b93b3c3SWu Zhangjin bool 15841b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 15851b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 158631c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 15871b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1588fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 15894e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 15901b93b3c3SWu Zhangjin 15911b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 15921b93b3c3SWu Zhangjin bool 15931b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 15941b93b3c3SWu Zhangjin 15953702bba5SWu Zhangjinconfig CPU_LOONGSON2 15963702bba5SWu Zhangjin bool 15973702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 15983702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 15993702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1600970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16013702bba5SWu Zhangjin 1602ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1603ca585cf9SKelvin Cheung bool 1604ca585cf9SKelvin Cheung select CPU_MIPS32 1605ca585cf9SKelvin Cheung select CPU_MIPSR2 1606ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1607ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1608ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1609f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1610ca585cf9SKelvin Cheung 1611fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 161204fa8bf7SJonas Gorski select SMP_UP if SMP 16131bbb6c1bSKevin Cernekee bool 1614cd746249SJonas Gorski 1615cd746249SJonas Gorskiconfig CPU_BMIPS4350 1616cd746249SJonas Gorski bool 1617cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1618cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1619cd746249SJonas Gorski 1620cd746249SJonas Gorskiconfig CPU_BMIPS4380 1621cd746249SJonas Gorski bool 1622bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1623cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1624cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1625cd746249SJonas Gorski 1626cd746249SJonas Gorskiconfig CPU_BMIPS5000 1627cd746249SJonas Gorski bool 1628cd746249SJonas Gorski select MIPS_CPU_SCACHE 1629bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1630cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1631cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 16321bbb6c1bSKevin Cernekee 16330e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 16340e476d91SHuacai Chen bool 16350e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 16360e476d91SHuacai Chen 16373702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 16382a21c730SFuxin Zhang bool 16392a21c730SFuxin Zhang 16406f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 16416f7a251aSWu Zhangjin bool 164255045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 164355045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 164422f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 16456f7a251aSWu Zhangjin 1646ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1647ca585cf9SKelvin Cheung bool 1648ca585cf9SKelvin Cheung 16497cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 16507cf8053bSRalf Baechle bool 16517cf8053bSRalf Baechle 16527cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 16537cf8053bSRalf Baechle bool 16547cf8053bSRalf Baechle 1655a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1656a6e18781SLeonid Yegoshin bool 1657a6e18781SLeonid Yegoshin 16587cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 16597cf8053bSRalf Baechle bool 16607cf8053bSRalf Baechle 16617cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 16627cf8053bSRalf Baechle bool 16637cf8053bSRalf Baechle 16647cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 16657cf8053bSRalf Baechle bool 16667cf8053bSRalf Baechle 16677cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 16687cf8053bSRalf Baechle bool 16697cf8053bSRalf Baechle 16707cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 16717cf8053bSRalf Baechle bool 16727cf8053bSRalf Baechle 16737cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 16747cf8053bSRalf Baechle bool 16757cf8053bSRalf Baechle 16767cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 16777cf8053bSRalf Baechle bool 16787cf8053bSRalf Baechle 16797cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 16807cf8053bSRalf Baechle bool 16817cf8053bSRalf Baechle 16827cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 16837cf8053bSRalf Baechle bool 16847cf8053bSRalf Baechle 16857cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 16867cf8053bSRalf Baechle bool 16877cf8053bSRalf Baechle 1688542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1689542c1020SShinya Kuribayashi bool 1690542c1020SShinya Kuribayashi 16917cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 16927cf8053bSRalf Baechle bool 16937cf8053bSRalf Baechle 16947cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 16957cf8053bSRalf Baechle bool 16967cf8053bSRalf Baechle 16977cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 16987cf8053bSRalf Baechle bool 16997cf8053bSRalf Baechle 17007cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 17017cf8053bSRalf Baechle bool 17027cf8053bSRalf Baechle 17037cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 17047cf8053bSRalf Baechle bool 17057cf8053bSRalf Baechle 17067cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 17077cf8053bSRalf Baechle bool 17087cf8053bSRalf Baechle 17095e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 17105e683389SDavid Daney bool 17115e683389SDavid Daney 1712cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1713c1c0c461SKevin Cernekee bool 1714c1c0c461SKevin Cernekee 1715fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1716c1c0c461SKevin Cernekee bool 1717cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1718c1c0c461SKevin Cernekee 1719c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1720c1c0c461SKevin Cernekee bool 1721cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1722c1c0c461SKevin Cernekee 1723c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1724c1c0c461SKevin Cernekee bool 1725cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1726c1c0c461SKevin Cernekee 1727c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1728c1c0c461SKevin Cernekee bool 1729cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1730c1c0c461SKevin Cernekee 17317f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 17327f058e85SJayachandran C bool 17337f058e85SJayachandran C 17341c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 17351c773ea4SJayachandran C bool 17361c773ea4SJayachandran C 1737b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1738b6911bbaSPaul Burton depends on MIPS_MALTA 1739b6911bbaSPaul Burton depends on PCI 1740b6911bbaSPaul Burton bool 1741b6911bbaSPaul Burton default y 1742b6911bbaSPaul Burton 174317099b11SRalf Baechle# 174417099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 174517099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 174617099b11SRalf Baechle# 17470004a9dfSRalf Baechleconfig WEAK_ORDERING 17480004a9dfSRalf Baechle bool 174917099b11SRalf Baechle 175017099b11SRalf Baechle# 175117099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 175217099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 175317099b11SRalf Baechle# 175417099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 175517099b11SRalf Baechle bool 17565e83d430SRalf Baechleendmenu 17575e83d430SRalf Baechle 17585e83d430SRalf Baechle# 17595e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 17605e83d430SRalf Baechle# 17615e83d430SRalf Baechleconfig CPU_MIPS32 17625e83d430SRalf Baechle bool 17635e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 17645e83d430SRalf Baechle 17655e83d430SRalf Baechleconfig CPU_MIPS64 17665e83d430SRalf Baechle bool 17675e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 17685e83d430SRalf Baechle 17695e83d430SRalf Baechle# 1770c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 17715e83d430SRalf Baechle# 17725e83d430SRalf Baechleconfig CPU_MIPSR1 17735e83d430SRalf Baechle bool 17745e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 17755e83d430SRalf Baechle 17765e83d430SRalf Baechleconfig CPU_MIPSR2 17775e83d430SRalf Baechle bool 1778a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 17795e83d430SRalf Baechle 1780a6e18781SLeonid Yegoshinconfig EVA 1781a6e18781SLeonid Yegoshin bool 1782a6e18781SLeonid Yegoshin 17835e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 17845e83d430SRalf Baechle bool 17855e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 17865e83d430SRalf Baechle bool 17875e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 17885e83d430SRalf Baechle bool 17895e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 17905e83d430SRalf Baechle bool 179155045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 179255045ff5SWu Zhangjin bool 179355045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 179455045ff5SWu Zhangjin bool 17959cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 17969cffd154SDavid Daney bool 179722f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 179822f1fdfdSWu Zhangjin bool 179982622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 180082622284SDavid Daney bool 1801d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 18025e83d430SRalf Baechle 18038192c9eaSDavid Daney# 18048192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 18058192c9eaSDavid Daney# 18068192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 18078192c9eaSDavid Daney bool 1808f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 18098192c9eaSDavid Daney 18105e83d430SRalf Baechlemenu "Kernel type" 18115e83d430SRalf Baechle 18125e83d430SRalf Baechlechoice 18135e83d430SRalf Baechle prompt "Kernel code model" 18145e83d430SRalf Baechle help 18155e83d430SRalf Baechle You should only select this option if you have a workload that 18165e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 18175e83d430SRalf Baechle large memory. You will only be presented a single option in this 18185e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 18195e83d430SRalf Baechle 18205e83d430SRalf Baechleconfig 32BIT 18215e83d430SRalf Baechle bool "32-bit kernel" 18225e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 18235e83d430SRalf Baechle select TRAD_SIGNALS 18245e83d430SRalf Baechle help 18255e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 18265e83d430SRalf Baechleconfig 64BIT 18275e83d430SRalf Baechle bool "64-bit kernel" 18285e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 18295e83d430SRalf Baechle help 18305e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 18315e83d430SRalf Baechle 18325e83d430SRalf Baechleendchoice 18335e83d430SRalf Baechle 18342235a54dSSanjay Lalconfig KVM_GUEST 18352235a54dSSanjay Lal bool "KVM Guest Kernel" 1836f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 18372235a54dSSanjay Lal help 18382235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 18392235a54dSSanjay Lal 1840eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1841eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 18422235a54dSSanjay Lal depends on KVM_GUEST 1843eda3d33cSJames Hogan default 100 18442235a54dSSanjay Lal help 1845eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 1846eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 1847eda3d33cSJames Hogan timer frequency is specified directly. 18482235a54dSSanjay Lal 18491da177e4SLinus Torvaldschoice 18501da177e4SLinus Torvalds prompt "Kernel page size" 18511da177e4SLinus Torvalds default PAGE_SIZE_4KB 18521da177e4SLinus Torvalds 18531da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 18541da177e4SLinus Torvalds bool "4kB" 18550e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 18561da177e4SLinus Torvalds help 18571da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 18581da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 18591da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 18601da177e4SLinus Torvalds recommended for low memory systems. 18611da177e4SLinus Torvalds 18621da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 18631da177e4SLinus Torvalds bool "8kB" 18647d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 18651da177e4SLinus Torvalds help 18661da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 18671da177e4SLinus Torvalds the price of higher memory consumption. This option is available 1868c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 1869c52399beSRalf Baechle suitable Linux distribution to support this. 18701da177e4SLinus Torvalds 18711da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 18721da177e4SLinus Torvalds bool "16kB" 1873714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 18741da177e4SLinus Torvalds help 18751da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 18761da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1877714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1878714bfad6SRalf Baechle Linux distribution to support this. 18791da177e4SLinus Torvalds 1880c52399beSRalf Baechleconfig PAGE_SIZE_32KB 1881c52399beSRalf Baechle bool "32kB" 1882c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 1883c52399beSRalf Baechle help 1884c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 1885c52399beSRalf Baechle the price of higher memory consumption. This option is available 1886c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 1887c52399beSRalf Baechle distribution to support this. 1888c52399beSRalf Baechle 18891da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 18901da177e4SLinus Torvalds bool "64kB" 18917d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 18921da177e4SLinus Torvalds help 18931da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 18941da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 18951da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1896714bfad6SRalf Baechle writing this option is still high experimental. 18971da177e4SLinus Torvalds 18981da177e4SLinus Torvaldsendchoice 18991da177e4SLinus Torvalds 1900c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 1901c9bace7cSDavid Daney int "Maximum zone order" 1902e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1903e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 1904e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1905e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 1906e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1907e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 1908c9bace7cSDavid Daney range 11 64 1909c9bace7cSDavid Daney default "11" 1910c9bace7cSDavid Daney help 1911c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 1912c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 1913c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 1914c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 1915c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 1916c9bace7cSDavid Daney increase this value. 1917c9bace7cSDavid Daney 1918c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 1919c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 1920c9bace7cSDavid Daney 1921c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 1922c9bace7cSDavid Daney when choosing a value for this option. 1923c9bace7cSDavid Daney 19241da177e4SLinus Torvaldsconfig BOARD_SCACHE 19251da177e4SLinus Torvalds bool 19261da177e4SLinus Torvalds 19271da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 19281da177e4SLinus Torvalds bool 19291da177e4SLinus Torvalds select BOARD_SCACHE 19301da177e4SLinus Torvalds 19319318c51aSChris Dearman# 19329318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 19339318c51aSChris Dearman# 19349318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 19359318c51aSChris Dearman bool 19369318c51aSChris Dearman select BOARD_SCACHE 19379318c51aSChris Dearman 19381da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 19391da177e4SLinus Torvalds bool 19401da177e4SLinus Torvalds select BOARD_SCACHE 19411da177e4SLinus Torvalds 19421da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 19431da177e4SLinus Torvalds bool 19441da177e4SLinus Torvalds select BOARD_SCACHE 19451da177e4SLinus Torvalds 19461da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 19471da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 19481da177e4SLinus Torvalds depends on CPU_SB1 19491da177e4SLinus Torvalds help 19501da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 19511da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 19521da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 19531da177e4SLinus Torvalds 19541da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1955c8094b53SRalf Baechle bool 19561da177e4SLinus Torvalds 19573165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 19583165c846SFlorian Fainelli bool 19593165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 19603165c846SFlorian Fainelli 196191405eb6SFlorian Fainelliconfig CPU_R4K_FPU 196291405eb6SFlorian Fainelli bool 196391405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 196491405eb6SFlorian Fainelli 196562cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 196662cedc4fSFlorian Fainelli bool 196762cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 196862cedc4fSFlorian Fainelli 196959d6ab86SRalf Baechleconfig MIPS_MT_SMP 1970a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 197159d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 197259d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1973d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1974c080faa5SSteven J. Hill select SYNC_R4K 19750c2cb004SPaul Burton select MIPS_GIC_IPI 197659d6ab86SRalf Baechle select MIPS_MT 197759d6ab86SRalf Baechle select SMP 197887353d8aSRalf Baechle select SMP_UP 1979c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 1980c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 1981399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 198259d6ab86SRalf Baechle help 1983c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 1984c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 1985c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 1986c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 1987c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 198859d6ab86SRalf Baechle 1989f41ae0b2SRalf Baechleconfig MIPS_MT 1990f41ae0b2SRalf Baechle bool 1991f41ae0b2SRalf Baechle 19920ab7aefcSRalf Baechleconfig SCHED_SMT 19930ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 19940ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 19950ab7aefcSRalf Baechle default n 19960ab7aefcSRalf Baechle help 19970ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 19980ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 19990ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 20000ab7aefcSRalf Baechle 20010ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 20020ab7aefcSRalf Baechle bool 20030ab7aefcSRalf Baechle 2004f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2005f41ae0b2SRalf Baechle bool 2006f41ae0b2SRalf Baechle 2007f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2008f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2009f088fc84SRalf Baechle default y 2010b633648cSRalf Baechle depends on MIPS_MT_SMP 201107cc0c9eSRalf Baechle 201207cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 201307cc0c9eSRalf Baechle bool "VPE loader support." 2014704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 201507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 201607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 201707cc0c9eSRalf Baechle select MIPS_MT 201807cc0c9eSRalf Baechle help 201907cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 202007cc0c9eSRalf Baechle onto another VPE and running it. 2021f088fc84SRalf Baechle 202217a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 202317a1d523SDeng-Cheng Zhu bool 202417a1d523SDeng-Cheng Zhu default "y" 202517a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 202617a1d523SDeng-Cheng Zhu 20271a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 20281a2a6d7eSDeng-Cheng Zhu bool 20291a2a6d7eSDeng-Cheng Zhu default "y" 20301a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 20311a2a6d7eSDeng-Cheng Zhu 2032e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2033e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2034e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2035e01402b1SRalf Baechle default y 2036e01402b1SRalf Baechle help 2037e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2038e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2039e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2040e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2041e01402b1SRalf Baechle 2042e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2043e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2044e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 20455e83d430SRalf Baechle help 2046e01402b1SRalf Baechle 2047da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2048da615cf6SDeng-Cheng Zhu bool 2049da615cf6SDeng-Cheng Zhu default "y" 2050da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2051da615cf6SDeng-Cheng Zhu 20522c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 20532c973ef0SDeng-Cheng Zhu bool 20542c973ef0SDeng-Cheng Zhu default "y" 20552c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 20562c973ef0SDeng-Cheng Zhu 20574a16ff4cSRalf Baechleconfig MIPS_CMP 20585cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 2059b633648cSRalf Baechle depends on SYS_SUPPORTS_MIPS_CMP 206072e20142SPaul Burton select MIPS_GIC_IPI 2061b10b43baSMarkos Chandras select SMP 2062eb9b5141STim Anderson select SYNC_R4K 2063b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 20644a16ff4cSRalf Baechle select WEAK_ORDERING 20654a16ff4cSRalf Baechle default n 20664a16ff4cSRalf Baechle help 2067044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2068044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2069044505c7SPaul Burton its ability to start secondary CPUs. 20704a16ff4cSRalf Baechle 20715cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 20725cac93b3SPaul Burton instead of this. 20735cac93b3SPaul Burton 20740ee958e1SPaul Burtonconfig MIPS_CPS 20750ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 20760ee958e1SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 20770ee958e1SPaul Burton select MIPS_CM 20780ee958e1SPaul Burton select MIPS_CPC 20791d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 20800ee958e1SPaul Burton select MIPS_GIC_IPI 20810ee958e1SPaul Burton select SMP 20820ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 20831d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 20840ee958e1SPaul Burton select SYS_SUPPORTS_SMP 20850ee958e1SPaul Burton select WEAK_ORDERING 20860ee958e1SPaul Burton help 20870ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 20880ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 20890ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 20900ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 20910ee958e1SPaul Burton support is unavailable. 20920ee958e1SPaul Burton 20933179d37eSPaul Burtonconfig MIPS_CPS_PM 209439a59593SMarkos Chandras depends on MIPS_CPS 2095a8b84677SPaul Burton select MIPS_CPC 20963179d37eSPaul Burton bool 20973179d37eSPaul Burton 209872e20142SPaul Burtonconfig MIPS_GIC_IPI 209972e20142SPaul Burton bool 210072e20142SPaul Burton 21019f98f3ddSPaul Burtonconfig MIPS_CM 21029f98f3ddSPaul Burton bool 21039f98f3ddSPaul Burton 21049c38cf44SPaul Burtonconfig MIPS_CPC 21059c38cf44SPaul Burton bool 21062600990eSRalf Baechle 21071da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 21081da177e4SLinus Torvalds bool 21091da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 21101da177e4SLinus Torvalds default y 21111da177e4SLinus Torvalds 21121da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 21131da177e4SLinus Torvalds bool 21141da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 21151da177e4SLinus Torvalds default y 21161da177e4SLinus Torvalds 21171da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 21181da177e4SLinus Torvalds bool 21191da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 21201da177e4SLinus Torvalds default y 21211da177e4SLinus Torvalds 21222235a54dSSanjay Lal 21231da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 2124d806cb2bSRalf Baechle bool 21251da177e4SLinus Torvalds 212660ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 212760ec6571Spascal@pabr.org def_bool 64BIT_PHYS_ADDR 212860ec6571Spascal@pabr.org 21299693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 21309693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 21319693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 21329693a853SFranck Bui-Huu help 21339693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 21349693a853SFranck Bui-Huu increased security at both hardware and software level for 21359693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 21369693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 21379693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 21389693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 21399693a853SFranck Bui-Huu here. 21409693a853SFranck Bui-Huu 2141bce86083SSteven J. Hillconfig CPU_MICROMIPS 2142bce86083SSteven J. Hill depends on SYS_SUPPORTS_MICROMIPS 2143bce86083SSteven J. Hill bool "Build kernel using microMIPS ISA" 2144bce86083SSteven J. Hill help 2145bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2146bce86083SSteven J. Hill microMIPS ISA 2147bce86083SSteven J. Hill 2148a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 21494af94d5dSPaul Burton bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)" 2150a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 21512a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2152a5e9a69eSPaul Burton help 2153a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2154a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 21551db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 21561db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 21571db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 21581db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 21591db1af84SPaul Burton the size & complexity of your kernel. 2160a5e9a69eSPaul Burton 2161a5e9a69eSPaul Burton If unsure, say Y. 2162a5e9a69eSPaul Burton 21631da177e4SLinus Torvaldsconfig CPU_HAS_WB 2164f7062ddbSRalf Baechle bool 2165e01402b1SRalf Baechle 2166df0ac8a4SKevin Cernekeeconfig XKS01 2167df0ac8a4SKevin Cernekee bool 2168df0ac8a4SKevin Cernekee 2169f41ae0b2SRalf Baechle# 2170f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2171f41ae0b2SRalf Baechle# 2172e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2173f41ae0b2SRalf Baechle bool 2174e01402b1SRalf Baechle 2175f41ae0b2SRalf Baechle# 2176f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2177f41ae0b2SRalf Baechle# 2178e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2179f41ae0b2SRalf Baechle bool 2180e01402b1SRalf Baechle 21811da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 21821da177e4SLinus Torvalds bool 21831da177e4SLinus Torvalds depends on !CPU_R3000 21841da177e4SLinus Torvalds default y 21851da177e4SLinus Torvalds 21861da177e4SLinus Torvalds# 218720d60d99SMaciej W. Rozycki# CPU non-features 218820d60d99SMaciej W. Rozycki# 218920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 219020d60d99SMaciej W. Rozycki bool 219120d60d99SMaciej W. Rozycki 219220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 219320d60d99SMaciej W. Rozycki bool 219420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 219520d60d99SMaciej W. Rozycki 219620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 219720d60d99SMaciej W. Rozycki bool 219820d60d99SMaciej W. Rozycki 219920d60d99SMaciej W. Rozycki# 22001da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 22011da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 22021da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 22031da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 22041da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 22051da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 22061da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 22071da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2208797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2209797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2210797798c1SRalf Baechle# support. 22111da177e4SLinus Torvalds# 22121da177e4SLinus Torvaldsconfig HIGHMEM 22131da177e4SLinus Torvalds bool "High Memory Support" 2214a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2215797798c1SRalf Baechle 2216797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2217797798c1SRalf Baechle bool 2218797798c1SRalf Baechle 2219797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2220797798c1SRalf Baechle bool 22211da177e4SLinus Torvalds 22229693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 22239693a853SFranck Bui-Huu bool 22249693a853SFranck Bui-Huu 2225a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2226a6a4834cSSteven J. Hill bool 2227a6a4834cSSteven J. Hill 2228377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2229377cb1b6SRalf Baechle bool 2230377cb1b6SRalf Baechle help 2231377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2232377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2233377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2234377cb1b6SRalf Baechle 2235a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2236a5e9a69eSPaul Burton bool 2237a5e9a69eSPaul Burton 2238b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2239b4819b59SYoichi Yuasa def_bool y 2240f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2241b4819b59SYoichi Yuasa 2242d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2243d8cb4e11SRalf Baechle bool 2244d8cb4e11SRalf Baechle default y if SGI_IP27 2245d8cb4e11SRalf Baechle help 22463dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2247d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2248d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2249d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2250d8cb4e11SRalf Baechle 2251b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2252b1c6cd42SAtsushi Nemoto bool 22537de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 225431473747SAtsushi Nemoto 2255d8cb4e11SRalf Baechleconfig NUMA 2256d8cb4e11SRalf Baechle bool "NUMA Support" 2257d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2258d8cb4e11SRalf Baechle help 2259d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2260d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2261d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2262d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2263d8cb4e11SRalf Baechle disabled. 2264d8cb4e11SRalf Baechle 2265d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2266d8cb4e11SRalf Baechle bool 2267d8cb4e11SRalf Baechle 2268c80d79d7SYasunori Gotoconfig NODES_SHIFT 2269c80d79d7SYasunori Goto int 2270c80d79d7SYasunori Goto default "6" 2271c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2272c80d79d7SYasunori Goto 227314f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 227414f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2275b633648cSRalf Baechle depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) 227614f70012SDeng-Cheng Zhu default y 227714f70012SDeng-Cheng Zhu help 227814f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 227914f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 228014f70012SDeng-Cheng Zhu 2281b4819b59SYoichi Yuasasource "mm/Kconfig" 2282b4819b59SYoichi Yuasa 22831da177e4SLinus Torvaldsconfig SMP 22841da177e4SLinus Torvalds bool "Multi-Processing support" 2285e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2286e73ea273SRalf Baechle help 22871da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 22884a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 22894a474157SRobert Graffham than one CPU, say Y. 22901da177e4SLinus Torvalds 22914a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 22921da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 22931da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 22944a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 22951da177e4SLinus Torvalds will run faster if you say N here. 22961da177e4SLinus Torvalds 22971da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 22981da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 22991da177e4SLinus Torvalds 230003502faaSAdrian Bunk See also the SMP-HOWTO available at 230103502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 23021da177e4SLinus Torvalds 23031da177e4SLinus Torvalds If you don't know what to do here, say N. 23041da177e4SLinus Torvalds 230587353d8aSRalf Baechleconfig SMP_UP 230687353d8aSRalf Baechle bool 230787353d8aSRalf Baechle 23084a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 23094a16ff4cSRalf Baechle bool 23104a16ff4cSRalf Baechle 23110ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 23120ee958e1SPaul Burton bool 23130ee958e1SPaul Burton 2314e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2315e73ea273SRalf Baechle bool 2316e73ea273SRalf Baechle 2317130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2318130e2fb7SRalf Baechle bool 2319130e2fb7SRalf Baechle 2320130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2321130e2fb7SRalf Baechle bool 2322130e2fb7SRalf Baechle 2323130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2324130e2fb7SRalf Baechle bool 2325130e2fb7SRalf Baechle 2326130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2327130e2fb7SRalf Baechle bool 2328130e2fb7SRalf Baechle 2329130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2330130e2fb7SRalf Baechle bool 2331130e2fb7SRalf Baechle 23321da177e4SLinus Torvaldsconfig NR_CPUS 2333a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2334a91796a9SJayachandran C range 2 256 23351da177e4SLinus Torvalds depends on SMP 2336130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2337130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2338130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2339130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2340130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 23411da177e4SLinus Torvalds help 23421da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 23431da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 23441da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 234572ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 234672ede9b1SAtsushi Nemoto and 2 for all others. 23471da177e4SLinus Torvalds 23481da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 234972ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 235072ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 235172ede9b1SAtsushi Nemoto power of two. 23521da177e4SLinus Torvalds 2353399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2354399aaa25SAl Cooper bool 2355399aaa25SAl Cooper 23561723b4a3SAtsushi Nemoto# 23571723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 23581723b4a3SAtsushi Nemoto# 23591723b4a3SAtsushi Nemoto 23601723b4a3SAtsushi Nemotochoice 23611723b4a3SAtsushi Nemoto prompt "Timer frequency" 23621723b4a3SAtsushi Nemoto default HZ_250 23631723b4a3SAtsushi Nemoto help 23641723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 23651723b4a3SAtsushi Nemoto 23661723b4a3SAtsushi Nemoto config HZ_48 23670f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 23681723b4a3SAtsushi Nemoto 23691723b4a3SAtsushi Nemoto config HZ_100 23701723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 23711723b4a3SAtsushi Nemoto 23721723b4a3SAtsushi Nemoto config HZ_128 23731723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 23741723b4a3SAtsushi Nemoto 23751723b4a3SAtsushi Nemoto config HZ_250 23761723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 23771723b4a3SAtsushi Nemoto 23781723b4a3SAtsushi Nemoto config HZ_256 23791723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 23801723b4a3SAtsushi Nemoto 23811723b4a3SAtsushi Nemoto config HZ_1000 23821723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 23831723b4a3SAtsushi Nemoto 23841723b4a3SAtsushi Nemoto config HZ_1024 23851723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 23861723b4a3SAtsushi Nemoto 23871723b4a3SAtsushi Nemotoendchoice 23881723b4a3SAtsushi Nemoto 23891723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 23901723b4a3SAtsushi Nemoto bool 23911723b4a3SAtsushi Nemoto 23921723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 23931723b4a3SAtsushi Nemoto bool 23941723b4a3SAtsushi Nemoto 23951723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 23961723b4a3SAtsushi Nemoto bool 23971723b4a3SAtsushi Nemoto 23981723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 23991723b4a3SAtsushi Nemoto bool 24001723b4a3SAtsushi Nemoto 24011723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 24021723b4a3SAtsushi Nemoto bool 24031723b4a3SAtsushi Nemoto 24041723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 24051723b4a3SAtsushi Nemoto bool 24061723b4a3SAtsushi Nemoto 24071723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 24081723b4a3SAtsushi Nemoto bool 24091723b4a3SAtsushi Nemoto 24101723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 24111723b4a3SAtsushi Nemoto bool 24121723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 24131723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 24141723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 24151723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 24161723b4a3SAtsushi Nemoto 24171723b4a3SAtsushi Nemotoconfig HZ 24181723b4a3SAtsushi Nemoto int 24191723b4a3SAtsushi Nemoto default 48 if HZ_48 24201723b4a3SAtsushi Nemoto default 100 if HZ_100 24211723b4a3SAtsushi Nemoto default 128 if HZ_128 24221723b4a3SAtsushi Nemoto default 250 if HZ_250 24231723b4a3SAtsushi Nemoto default 256 if HZ_256 24241723b4a3SAtsushi Nemoto default 1000 if HZ_1000 24251723b4a3SAtsushi Nemoto default 1024 if HZ_1024 24261723b4a3SAtsushi Nemoto 2427e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 24281da177e4SLinus Torvalds 2429ea6e942bSAtsushi Nemotoconfig KEXEC 24307d60717eSKees Cook bool "Kexec system call" 2431ea6e942bSAtsushi Nemoto help 2432ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2433ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 24343dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2435ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2436ea6e942bSAtsushi Nemoto 243701dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2438ea6e942bSAtsushi Nemoto 2439ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2440ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2441bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2442bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2443bf220695SGeert Uytterhoeven made. 2444ea6e942bSAtsushi Nemoto 24457aa1c8f4SRalf Baechleconfig CRASH_DUMP 24467aa1c8f4SRalf Baechle bool "Kernel crash dumps" 24477aa1c8f4SRalf Baechle help 24487aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 24497aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 24507aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 24517aa1c8f4SRalf Baechle a specially reserved region and then later executed after 24527aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 24537aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 24547aa1c8f4SRalf Baechle PHYSICAL_START. 24557aa1c8f4SRalf Baechle 24567aa1c8f4SRalf Baechleconfig PHYSICAL_START 24577aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 24587aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 24597aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 24607aa1c8f4SRalf Baechle depends on CRASH_DUMP 24617aa1c8f4SRalf Baechle help 24627aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 24637aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 24647aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 24657aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 24667aa1c8f4SRalf Baechle passed to the panic-ed kernel). 24677aa1c8f4SRalf Baechle 2468ea6e942bSAtsushi Nemotoconfig SECCOMP 2469ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2470293c5bd1SRalf Baechle depends on PROC_FS 2471ea6e942bSAtsushi Nemoto default y 2472ea6e942bSAtsushi Nemoto help 2473ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2474ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2475ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2476ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2477ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2478ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2479ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2480ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2481ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2482ea6e942bSAtsushi Nemoto 2483ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2484ea6e942bSAtsushi Nemoto 2485597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 248606e2e882SPaul Burton bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)" 2487597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2488597ce172SPaul Burton help 2489597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2490597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2491597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2492597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2493597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2494597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2495597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2496597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2497597ce172SPaul Burton saying N here. 2498597ce172SPaul Burton 249906e2e882SPaul Burton Although binutils currently supports use of this flag the details 250006e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 250106e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 250206e2e882SPaul Burton behaviour before the details have been finalised, this option should 250306e2e882SPaul Burton be considered experimental and only enabled by those working upon 250406e2e882SPaul Burton said details. 250506e2e882SPaul Burton 250606e2e882SPaul Burton If unsure, say N. 2507597ce172SPaul Burton 2508f2ffa5abSDezhong Diaoconfig USE_OF 25090b3e06fdSJonas Gorski bool 2510f2ffa5abSDezhong Diao select OF 2511e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2512abd2363fSGrant Likely select IRQ_DOMAIN 2513f2ffa5abSDezhong Diao 25147fafb068SAndrew Brestickerconfig BUILTIN_DTB 25157fafb068SAndrew Bresticker bool 25167fafb068SAndrew Bresticker 25175e83d430SRalf Baechleendmenu 25185e83d430SRalf Baechle 25191df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 25201df0f0ffSAtsushi Nemoto bool 25211df0f0ffSAtsushi Nemoto default y 25221df0f0ffSAtsushi Nemoto 25231df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 25241df0f0ffSAtsushi Nemoto bool 25251df0f0ffSAtsushi Nemoto default y 25261df0f0ffSAtsushi Nemoto 2527b6c3539bSRalf Baechlesource "init/Kconfig" 2528b6c3539bSRalf Baechle 2529dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2530dc52ddc0SMatt Helsley 25311da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 25321da177e4SLinus Torvalds 25335e83d430SRalf Baechleconfig HW_HAS_EISA 25345e83d430SRalf Baechle bool 25351da177e4SLinus Torvaldsconfig HW_HAS_PCI 25361da177e4SLinus Torvalds bool 25371da177e4SLinus Torvalds 25381da177e4SLinus Torvaldsconfig PCI 25391da177e4SLinus Torvalds bool "Support for PCI controller" 25401da177e4SLinus Torvalds depends on HW_HAS_PCI 2541abb4ae46SRalf Baechle select PCI_DOMAINS 25420f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 25431da177e4SLinus Torvalds help 25441da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 25451da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 25461da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 25471da177e4SLinus Torvalds say Y, otherwise N. 25481da177e4SLinus Torvalds 25490e476d91SHuacai Chenconfig HT_PCI 25500e476d91SHuacai Chen bool "Support for HT-linked PCI" 25510e476d91SHuacai Chen default y 25520e476d91SHuacai Chen depends on CPU_LOONGSON3 25530e476d91SHuacai Chen select PCI 25540e476d91SHuacai Chen select PCI_DOMAINS 25550e476d91SHuacai Chen help 25560e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 25570e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 25580e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 25590e476d91SHuacai Chen 25601da177e4SLinus Torvaldsconfig PCI_DOMAINS 25611da177e4SLinus Torvalds bool 25621da177e4SLinus Torvalds 25631da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 25641da177e4SLinus Torvalds 25653f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 25663f787ca4SJonas Gorski 25671da177e4SLinus Torvalds# 25681da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 25691da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 25701da177e4SLinus Torvalds# users to choose the right thing ... 25711da177e4SLinus Torvalds# 25721da177e4SLinus Torvaldsconfig ISA 25731da177e4SLinus Torvalds bool 25741da177e4SLinus Torvalds 25751da177e4SLinus Torvaldsconfig EISA 25761da177e4SLinus Torvalds bool "EISA support" 25775e83d430SRalf Baechle depends on HW_HAS_EISA 25781da177e4SLinus Torvalds select ISA 2579aa414dffSRalf Baechle select GENERIC_ISA_DMA 25801da177e4SLinus Torvalds ---help--- 25811da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 25821da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 25831da177e4SLinus Torvalds 25841da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 25851da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 25861da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 25871da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 25881da177e4SLinus Torvalds 25891da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 25901da177e4SLinus Torvalds 25911da177e4SLinus Torvalds Otherwise, say N. 25921da177e4SLinus Torvalds 25931da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 25941da177e4SLinus Torvalds 25951da177e4SLinus Torvaldsconfig TC 25961da177e4SLinus Torvalds bool "TURBOchannel support" 25971da177e4SLinus Torvalds depends on MACH_DECSTATION 25981da177e4SLinus Torvalds help 259950a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 260050a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 260150a23e6eSJustin P. Mattock at: 260250a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 260350a23e6eSJustin P. Mattock and: 260450a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 260550a23e6eSJustin P. Mattock Linux driver support status is documented at: 260650a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 26071da177e4SLinus Torvalds 26081da177e4SLinus Torvaldsconfig MMU 26091da177e4SLinus Torvalds bool 26101da177e4SLinus Torvalds default y 26111da177e4SLinus Torvalds 2612d865bea4SRalf Baechleconfig I8253 2613d865bea4SRalf Baechle bool 2614798778b8SRussell King select CLKSRC_I8253 26152d02612fSThomas Gleixner select CLKEVT_I8253 26169726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2617d865bea4SRalf Baechle 2618e05eb3f8SRalf Baechleconfig ZONE_DMA 2619e05eb3f8SRalf Baechle bool 2620e05eb3f8SRalf Baechle 2621cce335aeSRalf Baechleconfig ZONE_DMA32 2622cce335aeSRalf Baechle bool 2623cce335aeSRalf Baechle 26241da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 26251da177e4SLinus Torvalds 26261da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 26271da177e4SLinus Torvalds 2628388b78adSAlexandre Bounineconfig RAPIDIO 262956abde72SAlexandre Bounine tristate "RapidIO support" 2630388b78adSAlexandre Bounine depends on PCI 2631388b78adSAlexandre Bounine default n 2632388b78adSAlexandre Bounine help 2633388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2634388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2635388b78adSAlexandre Bounine 2636388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2637388b78adSAlexandre Bounine 26381da177e4SLinus Torvaldsendmenu 26391da177e4SLinus Torvalds 26401da177e4SLinus Torvaldsmenu "Executable file formats" 26411da177e4SLinus Torvalds 26421da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 26431da177e4SLinus Torvalds 26441da177e4SLinus Torvaldsconfig TRAD_SIGNALS 26451da177e4SLinus Torvalds bool 26461da177e4SLinus Torvalds 26471da177e4SLinus Torvaldsconfig MIPS32_COMPAT 26481da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 2649875d43e7SRalf Baechle depends on 64BIT 26501da177e4SLinus Torvalds help 26511da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 26521da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 26531da177e4SLinus Torvalds currently 32-bit you should say Y here. 26541da177e4SLinus Torvalds 26551da177e4SLinus Torvaldsconfig COMPAT 26561da177e4SLinus Torvalds bool 26571da177e4SLinus Torvalds depends on MIPS32_COMPAT 265848b25c43SChris Metcalf select ARCH_WANT_OLD_COMPAT_IPC 26591da177e4SLinus Torvalds default y 26601da177e4SLinus Torvalds 266105e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 266205e43966SAtsushi Nemoto bool 266305e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 266405e43966SAtsushi Nemoto default y 266505e43966SAtsushi Nemoto 26661da177e4SLinus Torvaldsconfig MIPS32_O32 26671da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 26681da177e4SLinus Torvalds depends on MIPS32_COMPAT 26691da177e4SLinus Torvalds help 26701da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 26711da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 26721da177e4SLinus Torvalds existing binaries are in this format. 26731da177e4SLinus Torvalds 26741da177e4SLinus Torvalds If unsure, say Y. 26751da177e4SLinus Torvalds 26761da177e4SLinus Torvaldsconfig MIPS32_N32 26771da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 26781da177e4SLinus Torvalds depends on MIPS32_COMPAT 26791da177e4SLinus Torvalds help 26801da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 26811da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 26821da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 26831da177e4SLinus Torvalds cases. 26841da177e4SLinus Torvalds 26851da177e4SLinus Torvalds If unsure, say N. 26861da177e4SLinus Torvalds 26871da177e4SLinus Torvaldsconfig BINFMT_ELF32 26881da177e4SLinus Torvalds bool 26891da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 26901da177e4SLinus Torvalds 26912116245eSRalf Baechleendmenu 26921da177e4SLinus Torvalds 26932116245eSRalf Baechlemenu "Power management options" 2694952fa954SRodolfo Giometti 2695363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2696363c55caSWu Zhangjin def_bool y 26973f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2698363c55caSWu Zhangjin 2699f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2700f4cb5700SJohannes Berg def_bool y 27013f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2702f4cb5700SJohannes Berg 27032116245eSRalf Baechlesource "kernel/power/Kconfig" 2704952fa954SRodolfo Giometti 27051da177e4SLinus Torvaldsendmenu 27061da177e4SLinus Torvalds 27077a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 27087a998935SViresh Kumar bool 27097a998935SViresh Kumar 27107a998935SViresh Kumarmenu "CPU Power Management" 2711c095ebafSPaul Burton 2712c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 27137a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 27147a998935SViresh Kumarendif 27159726b43aSWu Zhangjin 2716c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2717c095ebafSPaul Burton 2718c095ebafSPaul Burtonendmenu 2719c095ebafSPaul Burton 2720d5950b43SSam Ravnborgsource "net/Kconfig" 2721d5950b43SSam Ravnborg 27221da177e4SLinus Torvaldssource "drivers/Kconfig" 27231da177e4SLinus Torvalds 272498cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 272598cdee0eSRalf Baechle 27261da177e4SLinus Torvaldssource "fs/Kconfig" 27271da177e4SLinus Torvalds 27281da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 27291da177e4SLinus Torvalds 27301da177e4SLinus Torvaldssource "security/Kconfig" 27311da177e4SLinus Torvalds 27321da177e4SLinus Torvaldssource "crypto/Kconfig" 27331da177e4SLinus Torvalds 27341da177e4SLinus Torvaldssource "lib/Kconfig" 27352235a54dSSanjay Lal 27362235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2737