11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 440e084a5SRalf Baechle select ARCH_SUPPORTS_UPROBES 5a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 6393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 75fac4f7aSPaul Burton select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 81ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 9c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 10f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 11ec7748b5SSam Ravnborg select HAVE_IDE 1242d4b839SMathieu Desnoyers select HAVE_OPROFILE 137f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 147f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1588547001SJason Wessel select HAVE_ARCH_KGDB 16490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 17c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 183f5fdb4bSMarkos Chandras select HAVE_BPF_JIT if !CPU_MICROMIPS 19d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 20538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 21538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2264575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2329c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 24c1bf207dSDavid Daney select HAVE_KPROBES 25c1bf207dSDavid Daney select HAVE_KRETPROBES 26fb59e394SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 27b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 281d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 292b68f6caSKees Cook select ARCH_HAS_ELF_RANDOMIZE 30383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 3130ad29bbSHuacai Chen select RTC_LIB if !MACH_LOONGSON64 322b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 337463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 34f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3548e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 363bd27e32SDavid Daney select GENERIC_IRQ_PROBE 37f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 3878857614SMarkos Chandras select GENERIC_PCI_IOMAP 3994bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 40c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 410f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 429d15ffc8STejun Heo select HAVE_MEMBLOCK 439d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 449d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 45360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 464b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 47cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 48929de4ccSDeng-Cheng Zhu select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 49cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 50786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 514febd95aSStephen Rothwell select VIRT_TO_BUS 522f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 532f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5450150d2bSAl Viro select CLONE_BACKWARDS 55d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5619952a92SKees Cook select HAVE_CC_STACKPROTECTOR 57b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 58cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 5990cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 60d79d853dSMarkos Chandras select SYSCTL_EXCEPTION_TRACE 61bb877e96SDeng-Cheng Zhu select HAVE_VIRT_CPU_ACCOUNTING_GEN 62ec9ddad3SDeng-Cheng Zhu select HAVE_IRQ_TIME_ACCOUNTING 63a7f4df4eSAlex Smith select GENERIC_TIME_VSYSCALL 64a7f4df4eSAlex Smith select ARCH_CLOCKSOURCE_DATA 651da177e4SLinus Torvalds 661da177e4SLinus Torvaldsmenu "Machine selection" 671da177e4SLinus Torvalds 685e83d430SRalf Baechlechoice 695e83d430SRalf Baechle prompt "System type" 705e83d430SRalf Baechle default SGI_IP22 711da177e4SLinus Torvalds 7242a4f17dSManuel Laussconfig MIPS_ALCHEMY 73c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 7434adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 75f772cdb2SRalf Baechle select CEVT_R4K 76d7ea335cSSteven J. Hill select CSRC_R4K 7767e38cf2SRalf Baechle select IRQ_MIPS_CPU 7888e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 7942a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 8042a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 8142a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 82*d30a2b47SLinus Walleij select GPIOLIB 831b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 8447440229SManuel Lauss select COMMON_CLK 851da177e4SLinus Torvalds 867ca5dc14SFlorian Fainelliconfig AR7 877ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 887ca5dc14SFlorian Fainelli select BOOT_ELF32 897ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 907ca5dc14SFlorian Fainelli select CEVT_R4K 917ca5dc14SFlorian Fainelli select CSRC_R4K 9267e38cf2SRalf Baechle select IRQ_MIPS_CPU 937ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 947ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 957ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 967ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 977ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 987ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 99377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1001b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 101*d30a2b47SLinus Walleij select GPIOLIB 1027ca5dc14SFlorian Fainelli select VLYNQ 1038551fb64SYoichi Yuasa select HAVE_CLK 1047ca5dc14SFlorian Fainelli help 1057ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1067ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1077ca5dc14SFlorian Fainelli 10843cc739fSSergey Ryazanovconfig ATH25 10943cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 11043cc739fSSergey Ryazanov select CEVT_R4K 11143cc739fSSergey Ryazanov select CSRC_R4K 11243cc739fSSergey Ryazanov select DMA_NONCOHERENT 11367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1141753e74eSSergey Ryazanov select IRQ_DOMAIN 11543cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 11643cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 11743cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1188aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 11943cc739fSSergey Ryazanov help 12043cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 12143cc739fSSergey Ryazanov 122d4a67d9dSGabor Juhosconfig ATH79 123d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 124ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 125d4a67d9dSGabor Juhos select BOOT_RAW 126d4a67d9dSGabor Juhos select CEVT_R4K 127d4a67d9dSGabor Juhos select CSRC_R4K 128d4a67d9dSGabor Juhos select DMA_NONCOHERENT 129*d30a2b47SLinus Walleij select GPIOLIB 13094638067SGabor Juhos select HAVE_CLK 131411520afSAlban Bedel select COMMON_CLK 1322c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 13367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1340aabf1a4SGabor Juhos select MIPS_MACHINE 135d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 136d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 137d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 138d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 139377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 140da628e8bSAlban Bedel select SYS_SUPPORTS_ZBOOT 14103c8c407SAlban Bedel select USE_OF 142d4a67d9dSGabor Juhos help 143d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 144d4a67d9dSGabor Juhos 1455f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 1465f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 147d666cd02SKevin Cernekee select BOOT_RAW 148d666cd02SKevin Cernekee select NO_EXCEPT_FILL 149d666cd02SKevin Cernekee select USE_OF 150d666cd02SKevin Cernekee select CEVT_R4K 151d666cd02SKevin Cernekee select CSRC_R4K 152d666cd02SKevin Cernekee select SYNC_R4K 153d666cd02SKevin Cernekee select COMMON_CLK 154c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 15560b858f2SKevin Cernekee select BCM7038_L1_IRQ 15660b858f2SKevin Cernekee select BCM7120_L2_IRQ 15760b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 15867e38cf2SRalf Baechle select IRQ_MIPS_CPU 15960b858f2SKevin Cernekee select DMA_NONCOHERENT 160d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 16160b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 162d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 163d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 16460b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 16560b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 16660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 167d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 168d666cd02SKevin Cernekee select SWAP_IO_SPACE 16960b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 17060b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 17160b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 17260b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 173d666cd02SKevin Cernekee help 1745f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 1755f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 1765f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 1775f2d4459SKevin Cernekee must be set appropriately for your board. 178d666cd02SKevin Cernekee 1791c0c13ebSAurelien Jarnoconfig BCM47XX 180c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 181fe08f8c2SHauke Mehrtens select BOOT_RAW 18242f77542SRalf Baechle select CEVT_R4K 183940f6b48SRalf Baechle select CSRC_R4K 1841c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1851c0c13ebSAurelien Jarno select HW_HAS_PCI 18667e38cf2SRalf Baechle select IRQ_MIPS_CPU 187314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 188dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1891c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1901c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 191377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 19225e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 193e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 194c949c0bcSRafał Miłecki select GPIOLIB 195c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 196f6e734a8SRafał Miłecki select BCM47XX_NVRAM 1971c0c13ebSAurelien Jarno help 1981c0c13ebSAurelien Jarno Support for BCM47XX based boards 1991c0c13ebSAurelien Jarno 200e7300d04SMaxime Bizonconfig BCM63XX 201e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 202ae8de61cSFlorian Fainelli select BOOT_RAW 203e7300d04SMaxime Bizon select CEVT_R4K 204e7300d04SMaxime Bizon select CSRC_R4K 205fc264022SJonas Gorski select SYNC_R4K 206e7300d04SMaxime Bizon select DMA_NONCOHERENT 20767e38cf2SRalf Baechle select IRQ_MIPS_CPU 208e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 209e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 210e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 211e7300d04SMaxime Bizon select SWAP_IO_SPACE 212*d30a2b47SLinus Walleij select GPIOLIB 2133e82eeebSYoichi Yuasa select HAVE_CLK 214af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 215e7300d04SMaxime Bizon help 216e7300d04SMaxime Bizon Support for BCM63XX based boards 217e7300d04SMaxime Bizon 2181da177e4SLinus Torvaldsconfig MIPS_COBALT 2193fa986faSMartin Michlmayr bool "Cobalt Server" 22042f77542SRalf Baechle select CEVT_R4K 221940f6b48SRalf Baechle select CSRC_R4K 2221097c6acSYoichi Yuasa select CEVT_GT641XX 2231da177e4SLinus Torvalds select DMA_NONCOHERENT 2241da177e4SLinus Torvalds select HW_HAS_PCI 225d865bea4SRalf Baechle select I8253 2261da177e4SLinus Torvalds select I8259 22767e38cf2SRalf Baechle select IRQ_MIPS_CPU 228d5ab1a69SYoichi Yuasa select IRQ_GT641XX 229252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 230e25bfc92SYoichi Yuasa select PCI 2317cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2320a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 233ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2340e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2355e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 236e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2371da177e4SLinus Torvalds 2381da177e4SLinus Torvaldsconfig MACH_DECSTATION 2393fa986faSMartin Michlmayr bool "DECstations" 2401da177e4SLinus Torvalds select BOOT_ELF32 2416457d9fcSYoichi Yuasa select CEVT_DS1287 24281d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2434247417dSYoichi Yuasa select CSRC_IOASIC 24481d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 24520d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 24620d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 24720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 2481da177e4SLinus Torvalds select DMA_NONCOHERENT 249ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 25067e38cf2SRalf Baechle select IRQ_MIPS_CPU 2517cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 2527cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 253ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2547d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2555e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2561723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 2571723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 2581723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 259930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2605e83d430SRalf Baechle help 2611da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2621da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2631da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2641da177e4SLinus Torvalds 2651da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2661da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2671da177e4SLinus Torvalds 2681da177e4SLinus Torvalds DECstation 5000/50 2691da177e4SLinus Torvalds DECstation 5000/150 2701da177e4SLinus Torvalds DECstation 5000/260 2711da177e4SLinus Torvalds DECsystem 5900/260 2721da177e4SLinus Torvalds 2731da177e4SLinus Torvalds otherwise choose R3000. 2741da177e4SLinus Torvalds 2755e83d430SRalf Baechleconfig MACH_JAZZ 2763fa986faSMartin Michlmayr bool "Jazz family of machines" 2770e2794b0SRalf Baechle select FW_ARC 2780e2794b0SRalf Baechle select FW_ARC32 2795e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 28042f77542SRalf Baechle select CEVT_R4K 281940f6b48SRalf Baechle select CSRC_R4K 282e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2835e83d430SRalf Baechle select GENERIC_ISA_DMA 2848a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 28567e38cf2SRalf Baechle select IRQ_MIPS_CPU 286d865bea4SRalf Baechle select I8253 2875e83d430SRalf Baechle select I8259 2885e83d430SRalf Baechle select ISA 2897cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2905e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2917d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2921723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2931da177e4SLinus Torvalds help 2945e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2955e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 296692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 2975e83d430SRalf Baechle Olivetti M700-10 workstations. 2985e83d430SRalf Baechle 299de361e8bSPaul Burtonconfig MACH_INGENIC 300de361e8bSPaul Burton bool "Ingenic SoC based machines" 3015ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3025ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 303f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3045ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 30567e38cf2SRalf Baechle select IRQ_MIPS_CPU 306*d30a2b47SLinus Walleij select GPIOLIB 307ff1930c6SPaul Burton select COMMON_CLK 30883bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 309ffb1843dSPaul Burton select BUILTIN_DTB 310ffb1843dSPaul Burton select USE_OF 3116ec127fbSPaul Burton select LIBFDT 3125ebabe59SLars-Peter Clausen 313171bb2f1SJohn Crispinconfig LANTIQ 314171bb2f1SJohn Crispin bool "Lantiq based platforms" 315171bb2f1SJohn Crispin select DMA_NONCOHERENT 31667e38cf2SRalf Baechle select IRQ_MIPS_CPU 317171bb2f1SJohn Crispin select CEVT_R4K 318171bb2f1SJohn Crispin select CSRC_R4K 319171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 320171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 321171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 322171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 323377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 324171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 325171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 326*d30a2b47SLinus Walleij select GPIOLIB 327171bb2f1SJohn Crispin select SWAP_IO_SPACE 328171bb2f1SJohn Crispin select BOOT_RAW 329287e3f3fSJohn Crispin select CLKDEV_LOOKUP 330a0392222SJohn Crispin select USE_OF 3313f8c50c9SJohn Crispin select PINCTRL 3323f8c50c9SJohn Crispin select PINCTRL_LANTIQ 333c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 334c530781cSJohn Crispin select RESET_CONTROLLER 335171bb2f1SJohn Crispin 3361f21d2bdSBrian Murphyconfig LASAT 3371f21d2bdSBrian Murphy bool "LASAT Networks platforms" 33842f77542SRalf Baechle select CEVT_R4K 33916f0bbbcSRalf Baechle select CRC32 340940f6b48SRalf Baechle select CSRC_R4K 3411f21d2bdSBrian Murphy select DMA_NONCOHERENT 3421f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3431f21d2bdSBrian Murphy select HW_HAS_PCI 34467e38cf2SRalf Baechle select IRQ_MIPS_CPU 3451f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 3461f21d2bdSBrian Murphy select MIPS_NILE4 3471f21d2bdSBrian Murphy select R5000_CPU_SCACHE 3481f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 3491f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 3501f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 3511f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 3521f21d2bdSBrian Murphy 35330ad29bbSHuacai Chenconfig MACH_LOONGSON32 35430ad29bbSHuacai Chen bool "Loongson-1 family of machines" 355c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 356ade299d8SYoichi Yuasa help 35730ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 35885749d24SWu Zhangjin 35930ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 36030ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 36130ad29bbSHuacai Chen Sciences (CAS). 362ade299d8SYoichi Yuasa 36330ad29bbSHuacai Chenconfig MACH_LOONGSON64 36430ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 365ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 366ca585cf9SKelvin Cheung help 36730ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 368ca585cf9SKelvin Cheung 36930ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 37030ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 37130ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 37230ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 37330ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 37430ad29bbSHuacai Chen Weiwu Hu. 375ca585cf9SKelvin Cheung 3766a438309SAndrew Brestickerconfig MACH_PISTACHIO 3776a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 3786a438309SAndrew Bresticker select BOOT_ELF32 3796a438309SAndrew Bresticker select BOOT_RAW 3806a438309SAndrew Bresticker select CEVT_R4K 3816a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 3826a438309SAndrew Bresticker select COMMON_CLK 3836a438309SAndrew Bresticker select CSRC_R4K 3846a438309SAndrew Bresticker select DMA_MAYBE_COHERENT 385*d30a2b47SLinus Walleij select GPIOLIB 38667e38cf2SRalf Baechle select IRQ_MIPS_CPU 3876a438309SAndrew Bresticker select LIBFDT 3886a438309SAndrew Bresticker select MFD_SYSCON 3896a438309SAndrew Bresticker select MIPS_CPU_SCACHE 3906a438309SAndrew Bresticker select MIPS_GIC 3916a438309SAndrew Bresticker select PINCTRL 3926a438309SAndrew Bresticker select REGULATOR 3936a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 3946a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 3956a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 3966a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 3976a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 3986a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 399018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 400018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4016a438309SAndrew Bresticker select USE_OF 4026a438309SAndrew Bresticker help 4036a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4046a438309SAndrew Bresticker 4059937f5ffSZubair Lutfullah Kakakhelconfig MACH_XILFPGA 4069937f5ffSZubair Lutfullah Kakakhel bool "MIPSfpga Xilinx based boards" 4079937f5ffSZubair Lutfullah Kakakhel select BOOT_ELF32 4089937f5ffSZubair Lutfullah Kakakhel select BOOT_RAW 4099937f5ffSZubair Lutfullah Kakakhel select BUILTIN_DTB 4109937f5ffSZubair Lutfullah Kakakhel select CEVT_R4K 4119937f5ffSZubair Lutfullah Kakakhel select COMMON_CLK 4129937f5ffSZubair Lutfullah Kakakhel select CSRC_R4K 413*d30a2b47SLinus Walleij select GPIOLIB 4149937f5ffSZubair Lutfullah Kakakhel select IRQ_MIPS_CPU 4159937f5ffSZubair Lutfullah Kakakhel select LIBFDT 4169937f5ffSZubair Lutfullah Kakakhel select MIPS_CPU_SCACHE 4179937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_EARLY_PRINTK 4189937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_CPU_MIPS32_R2 4199937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_32BIT_KERNEL 4209937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_LITTLE_ENDIAN 4219937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_ZBOOT_UART16550 4229937f5ffSZubair Lutfullah Kakakhel select USE_OF 4239937f5ffSZubair Lutfullah Kakakhel select USE_GENERIC_EARLY_PRINTK_8250 4249937f5ffSZubair Lutfullah Kakakhel help 4259937f5ffSZubair Lutfullah Kakakhel This enables support for the IMG University Program MIPSfpga platform. 4269937f5ffSZubair Lutfullah Kakakhel 4271da177e4SLinus Torvaldsconfig MIPS_MALTA 4283fa986faSMartin Michlmayr bool "MIPS Malta board" 42961ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 4301da177e4SLinus Torvalds select BOOT_ELF32 431fa71c960SRalf Baechle select BOOT_RAW 432e8823d26SPaul Burton select BUILTIN_DTB 43342f77542SRalf Baechle select CEVT_R4K 434940f6b48SRalf Baechle select CSRC_R4K 435fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 43642b002abSGuenter Roeck select COMMON_CLK 437885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 4381da177e4SLinus Torvalds select GENERIC_ISA_DMA 4398a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 44067e38cf2SRalf Baechle select IRQ_MIPS_CPU 4418a19b8f1SAndrew Bresticker select MIPS_GIC 4421da177e4SLinus Torvalds select HW_HAS_PCI 443d865bea4SRalf Baechle select I8253 4441da177e4SLinus Torvalds select I8259 4455e83d430SRalf Baechle select MIPS_BONITO64 4469318c51aSChris Dearman select MIPS_CPU_SCACHE 447a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 448252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 4495e83d430SRalf Baechle select MIPS_MSC 450ecafe3e9SPaul Burton select SMP_UP if SMP 4511da177e4SLinus Torvalds select SWAP_IO_SPACE 4527cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 4537cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 454bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 455c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 456575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 4577cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 4585d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 459575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 4607cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 4617cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 462ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 463ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4645e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 465c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 4665e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 467424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 4680365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 469e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 470377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 471f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 4729693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 4731b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 474e8823d26SPaul Burton select USE_OF 475abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 476e81a8c7dSPaul Burton select BUILTIN_DTB 477e81a8c7dSPaul Burton select LIBFDT 4781da177e4SLinus Torvalds help 479f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 4801da177e4SLinus Torvalds board. 4811da177e4SLinus Torvalds 4822572f00dSJoshua Hendersonconfig MACH_PIC32 4832572f00dSJoshua Henderson bool "Microchip PIC32 Family" 4842572f00dSJoshua Henderson help 4852572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 4862572f00dSJoshua Henderson 4872572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 4882572f00dSJoshua Henderson microcontrollers. 4892572f00dSJoshua Henderson 490ec47b274SSteven J. Hillconfig MIPS_SEAD3 491ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 492ec47b274SSteven J. Hill select BOOT_ELF32 493ec47b274SSteven J. Hill select BOOT_RAW 494f262b5f2SAndrew Bresticker select BUILTIN_DTB 495ec47b274SSteven J. Hill select CEVT_R4K 496ec47b274SSteven J. Hill select CSRC_R4K 497fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 49842b002abSGuenter Roeck select COMMON_CLK 499ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 500ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 501ec47b274SSteven J. Hill select DMA_NONCOHERENT 50267e38cf2SRalf Baechle select IRQ_MIPS_CPU 5038a19b8f1SAndrew Bresticker select MIPS_GIC 50444327236SQais Yousef select LIBFDT 505ec47b274SSteven J. Hill select MIPS_MSC 506ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 507ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 508ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 509ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 510ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 511ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 512ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 513ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 514ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 515a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 516377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 517ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 518ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 5199b731009SSteven J. Hill select USE_OF 520ec47b274SSteven J. Hill help 521ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 522ec47b274SSteven J. Hill board. 523ec47b274SSteven J. Hill 524a83860c2SRalf Baechleconfig NEC_MARKEINS 525a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 526a83860c2SRalf Baechle select SOC_EMMA2RH 527a83860c2SRalf Baechle select HW_HAS_PCI 528a83860c2SRalf Baechle help 529a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 530ade299d8SYoichi Yuasa 5315e83d430SRalf Baechleconfig MACH_VR41XX 53274142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 53342f77542SRalf Baechle select CEVT_R4K 534940f6b48SRalf Baechle select CSRC_R4K 5357cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 536377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 537*d30a2b47SLinus Walleij select GPIOLIB 5385e83d430SRalf Baechle 539edb6310aSDaniel Lairdconfig NXP_STB220 540edb6310aSDaniel Laird bool "NXP STB220 board" 541edb6310aSDaniel Laird select SOC_PNX833X 542edb6310aSDaniel Laird help 543edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 544edb6310aSDaniel Laird 545edb6310aSDaniel Lairdconfig NXP_STB225 546edb6310aSDaniel Laird bool "NXP 225 board" 547edb6310aSDaniel Laird select SOC_PNX833X 548edb6310aSDaniel Laird select SOC_PNX8335 549edb6310aSDaniel Laird help 550edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 551edb6310aSDaniel Laird 5529267a30dSMarc St-Jeanconfig PMC_MSP 5539267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 55439d30c13SAnoop P A select CEVT_R4K 55539d30c13SAnoop P A select CSRC_R4K 5569267a30dSMarc St-Jean select DMA_NONCOHERENT 5579267a30dSMarc St-Jean select SWAP_IO_SPACE 5589267a30dSMarc St-Jean select NO_EXCEPT_FILL 5599267a30dSMarc St-Jean select BOOT_RAW 5609267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5619267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5629267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5639267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 564377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 56567e38cf2SRalf Baechle select IRQ_MIPS_CPU 5669267a30dSMarc St-Jean select SERIAL_8250 5679267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5689296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5699296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5709267a30dSMarc St-Jean help 5719267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 5729267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 5739267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 5749267a30dSMarc St-Jean a variety of MIPS cores. 5759267a30dSMarc St-Jean 576ae2b5bb6SJohn Crispinconfig RALINK 577ae2b5bb6SJohn Crispin bool "Ralink based machines" 578ae2b5bb6SJohn Crispin select CEVT_R4K 579ae2b5bb6SJohn Crispin select CSRC_R4K 580ae2b5bb6SJohn Crispin select BOOT_RAW 581ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 58267e38cf2SRalf Baechle select IRQ_MIPS_CPU 583ae2b5bb6SJohn Crispin select USE_OF 584ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 585ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 586ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 587ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 588377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 589ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 590ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 5912a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 5922a153f1cSJohn Crispin select RESET_CONTROLLER 593ae2b5bb6SJohn Crispin 5941da177e4SLinus Torvaldsconfig SGI_IP22 5953fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 5960e2794b0SRalf Baechle select FW_ARC 5970e2794b0SRalf Baechle select FW_ARC32 5981da177e4SLinus Torvalds select BOOT_ELF32 59942f77542SRalf Baechle select CEVT_R4K 600940f6b48SRalf Baechle select CSRC_R4K 601e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6021da177e4SLinus Torvalds select DMA_NONCOHERENT 6035e83d430SRalf Baechle select HW_HAS_EISA 604d865bea4SRalf Baechle select I8253 60568de4803SThomas Bogendoerfer select I8259 6061da177e4SLinus Torvalds select IP22_CPU_SCACHE 60767e38cf2SRalf Baechle select IRQ_MIPS_CPU 608aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 609e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 610e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 61136e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 612e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 613e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 614e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6151da177e4SLinus Torvalds select SWAP_IO_SPACE 6167cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6177cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6182b5e63f6SMartin Michlmayr # 6192b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6202b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6212b5e63f6SMartin Michlmayr # 6222b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6232b5e63f6SMartin Michlmayr # for a more details discussion 6242b5e63f6SMartin Michlmayr # 6252b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 626ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 627ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6285e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 629930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6301da177e4SLinus Torvalds help 6311da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6321da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6331da177e4SLinus Torvalds that runs on these, say Y here. 6341da177e4SLinus Torvalds 6351da177e4SLinus Torvaldsconfig SGI_IP27 6363fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6370e2794b0SRalf Baechle select FW_ARC 6380e2794b0SRalf Baechle select FW_ARC64 6395e83d430SRalf Baechle select BOOT_ELF64 640e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 641634286f1SRalf Baechle select DMA_COHERENT 64236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6431da177e4SLinus Torvalds select HW_HAS_PCI 644130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6457cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 646ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6475e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 648d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6491a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 650930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6511da177e4SLinus Torvalds help 6521da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6531da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6541da177e4SLinus Torvalds here. 6551da177e4SLinus Torvalds 656e2defae5SThomas Bogendoerferconfig SGI_IP28 6577d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6580e2794b0SRalf Baechle select FW_ARC 6590e2794b0SRalf Baechle select FW_ARC64 660e2defae5SThomas Bogendoerfer select BOOT_ELF64 661e2defae5SThomas Bogendoerfer select CEVT_R4K 662e2defae5SThomas Bogendoerfer select CSRC_R4K 663e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 664e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 665e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 66667e38cf2SRalf Baechle select IRQ_MIPS_CPU 667e2defae5SThomas Bogendoerfer select HW_HAS_EISA 668e2defae5SThomas Bogendoerfer select I8253 669e2defae5SThomas Bogendoerfer select I8259 670e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 671e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 6725b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 673e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 674e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 675e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 676e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 677e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 6782b5e63f6SMartin Michlmayr # 6792b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6802b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6812b5e63f6SMartin Michlmayr # 6822b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6832b5e63f6SMartin Michlmayr # for a more details discussion 6842b5e63f6SMartin Michlmayr # 6852b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 686e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 687e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 688dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 689e2defae5SThomas Bogendoerfer help 690e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 691e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 692e2defae5SThomas Bogendoerfer 6931da177e4SLinus Torvaldsconfig SGI_IP32 694cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 6950e2794b0SRalf Baechle select FW_ARC 6960e2794b0SRalf Baechle select FW_ARC32 6971da177e4SLinus Torvalds select BOOT_ELF32 69842f77542SRalf Baechle select CEVT_R4K 699940f6b48SRalf Baechle select CSRC_R4K 7001da177e4SLinus Torvalds select DMA_NONCOHERENT 7011da177e4SLinus Torvalds select HW_HAS_PCI 70267e38cf2SRalf Baechle select IRQ_MIPS_CPU 7031da177e4SLinus Torvalds select R5000_CPU_SCACHE 7041da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7057cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7067cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7077cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 708dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 709ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7105e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7111da177e4SLinus Torvalds help 7121da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7131da177e4SLinus Torvalds 714ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 715ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7165e83d430SRalf Baechle select BOOT_ELF32 7175e83d430SRalf Baechle select DMA_COHERENT 7185e83d430SRalf Baechle select SIBYTE_BCM1120 7195e83d430SRalf Baechle select SWAP_IO_SPACE 7207cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7215e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7225e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7235e83d430SRalf Baechle 724ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 725ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7265e83d430SRalf Baechle select BOOT_ELF32 7275e83d430SRalf Baechle select DMA_COHERENT 7285e83d430SRalf Baechle select SIBYTE_BCM1120 7295e83d430SRalf Baechle select SWAP_IO_SPACE 7307cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7315e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7325e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7335e83d430SRalf Baechle 7345e83d430SRalf Baechleconfig SIBYTE_CRHONE 7353fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7365e83d430SRalf Baechle select BOOT_ELF32 7375e83d430SRalf Baechle select DMA_COHERENT 7385e83d430SRalf Baechle select SIBYTE_BCM1125 7395e83d430SRalf Baechle select SWAP_IO_SPACE 7407cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7415e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7425e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7445e83d430SRalf Baechle 745ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 746ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 747ade299d8SYoichi Yuasa select BOOT_ELF32 748ade299d8SYoichi Yuasa select DMA_COHERENT 749ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 750ade299d8SYoichi Yuasa select SWAP_IO_SPACE 751ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 752ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 753ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 754ade299d8SYoichi Yuasa 755ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 756ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 757ade299d8SYoichi Yuasa select BOOT_ELF32 758ade299d8SYoichi Yuasa select DMA_COHERENT 759fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 760ade299d8SYoichi Yuasa select SIBYTE_SB1250 761ade299d8SYoichi Yuasa select SWAP_IO_SPACE 762ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 763ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 764ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 765ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 766cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 767ade299d8SYoichi Yuasa 768ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 769ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 770ade299d8SYoichi Yuasa select BOOT_ELF32 771ade299d8SYoichi Yuasa select DMA_COHERENT 772fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 773ade299d8SYoichi Yuasa select SIBYTE_SB1250 774ade299d8SYoichi Yuasa select SWAP_IO_SPACE 775ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 776ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 777ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 778ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 779ade299d8SYoichi Yuasa 780ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 781ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 782ade299d8SYoichi Yuasa select BOOT_ELF32 783ade299d8SYoichi Yuasa select DMA_COHERENT 784ade299d8SYoichi Yuasa select SIBYTE_SB1250 785ade299d8SYoichi Yuasa select SWAP_IO_SPACE 786ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 787ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 788ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 789ade299d8SYoichi Yuasa 790ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 791ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 792ade299d8SYoichi Yuasa select BOOT_ELF32 793ade299d8SYoichi Yuasa select DMA_COHERENT 794ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 795ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 796ade299d8SYoichi Yuasa select SWAP_IO_SPACE 797ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 798ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 799651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 800ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 801cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 802ade299d8SYoichi Yuasa 80314b36af4SThomas Bogendoerferconfig SNI_RM 80414b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8050e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8060e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 807aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8085e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 8095e83d430SRalf Baechle select BOOT_ELF32 81042f77542SRalf Baechle select CEVT_R4K 811940f6b48SRalf Baechle select CSRC_R4K 812e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8135e83d430SRalf Baechle select DMA_NONCOHERENT 8145e83d430SRalf Baechle select GENERIC_ISA_DMA 8158a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8165e83d430SRalf Baechle select HW_HAS_EISA 8175e83d430SRalf Baechle select HW_HAS_PCI 81867e38cf2SRalf Baechle select IRQ_MIPS_CPU 819d865bea4SRalf Baechle select I8253 8205e83d430SRalf Baechle select I8259 8215e83d430SRalf Baechle select ISA 8224a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8237cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8244a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 825c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8264a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 82736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 828ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8297d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8304a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8315e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8325e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8331da177e4SLinus Torvalds help 83414b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 83514b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8365e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8375e83d430SRalf Baechle support this machine type. 8381da177e4SLinus Torvalds 839edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 840edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8415e83d430SRalf Baechle 842edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 843edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 84423fbee9dSRalf Baechle 84573b4390fSRalf Baechleconfig MIKROTIK_RB532 84673b4390fSRalf Baechle bool "Mikrotik RB532 boards" 84773b4390fSRalf Baechle select CEVT_R4K 84873b4390fSRalf Baechle select CSRC_R4K 84973b4390fSRalf Baechle select DMA_NONCOHERENT 85073b4390fSRalf Baechle select HW_HAS_PCI 85167e38cf2SRalf Baechle select IRQ_MIPS_CPU 85273b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 85373b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 85473b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 85573b4390fSRalf Baechle select SWAP_IO_SPACE 85673b4390fSRalf Baechle select BOOT_RAW 857*d30a2b47SLinus Walleij select GPIOLIB 858930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 85973b4390fSRalf Baechle help 86073b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 86173b4390fSRalf Baechle based on the IDT RC32434 SoC. 86273b4390fSRalf Baechle 8639ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8649ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 865a86c7f72SDavid Daney select CEVT_R4K 86634adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 867a86c7f72SDavid Daney select DMA_COHERENT 868a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 869a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 870f65aad41SRalf Baechle select EDAC_SUPPORT 871b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 87273569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 87373569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 874a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 8755e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 876a86c7f72SDavid Daney select SWAP_IO_SPACE 877e8635b48SDavid Daney select HW_HAS_PCI 878f00e001eSDavid Daney select ZONE_DMA32 879465aaed0SDavid Daney select HOLES_IN_ZONE 880*d30a2b47SLinus Walleij select GPIOLIB 8816e511163SDavid Daney select LIBFDT 8826e511163SDavid Daney select USE_OF 8836e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 8846e511163SDavid Daney select SYS_SUPPORTS_SMP 8856e511163SDavid Daney select NR_CPUS_DEFAULT_16 886e326479fSAndrew Bresticker select BUILTIN_DTB 8878c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 888a86c7f72SDavid Daney help 889a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 890a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 891a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 892a86c7f72SDavid Daney Some of the supported boards are: 893a86c7f72SDavid Daney EBT3000 894a86c7f72SDavid Daney EBH3000 895a86c7f72SDavid Daney EBH3100 896a86c7f72SDavid Daney Thunder 897a86c7f72SDavid Daney Kodama 898a86c7f72SDavid Daney Hikari 899a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 900a86c7f72SDavid Daney 9017f058e85SJayachandran Cconfig NLM_XLR_BOARD 9027f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9037f058e85SJayachandran C select BOOT_ELF32 9047f058e85SJayachandran C select NLM_COMMON 9057f058e85SJayachandran C select SYS_HAS_CPU_XLR 9067f058e85SJayachandran C select SYS_SUPPORTS_SMP 9077f058e85SJayachandran C select HW_HAS_PCI 9087f058e85SJayachandran C select SWAP_IO_SPACE 9097f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9107f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 91134adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 9127f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9137f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9147f058e85SJayachandran C select DMA_COHERENT 9157f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9167f058e85SJayachandran C select CEVT_R4K 9177f058e85SJayachandran C select CSRC_R4K 91867e38cf2SRalf Baechle select IRQ_MIPS_CPU 919b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9207f058e85SJayachandran C select SYNC_R4K 9217f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9228f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9238f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9247f058e85SJayachandran C help 9257f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9267f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9277f058e85SJayachandran C 9281c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9291c773ea4SJayachandran C bool "Netlogic XLP based systems" 9301c773ea4SJayachandran C select BOOT_ELF32 9311c773ea4SJayachandran C select NLM_COMMON 9321c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9331c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9341c773ea4SJayachandran C select HW_HAS_PCI 9351c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9361c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 93734adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 938*d30a2b47SLinus Walleij select GPIOLIB 9391c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9401c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9411c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9421c773ea4SJayachandran C select DMA_COHERENT 9431c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9441c773ea4SJayachandran C select CEVT_R4K 9451c773ea4SJayachandran C select CSRC_R4K 94667e38cf2SRalf Baechle select IRQ_MIPS_CPU 947b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9481c773ea4SJayachandran C select SYNC_R4K 9491c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9502f6528e1SJayachandran C select USE_OF 9518f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9528f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9531c773ea4SJayachandran C help 9541c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9551c773ea4SJayachandran C Say Y here if you have a XLP based board. 9561c773ea4SJayachandran C 9579bc463beSDavid Daneyconfig MIPS_PARAVIRT 9589bc463beSDavid Daney bool "Para-Virtualized guest system" 9599bc463beSDavid Daney select CEVT_R4K 9609bc463beSDavid Daney select CSRC_R4K 9619bc463beSDavid Daney select DMA_COHERENT 9629bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9639bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9649bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9659bc463beSDavid Daney select SYS_SUPPORTS_SMP 9669bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9679bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9689bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9699bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9709bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9719bc463beSDavid Daney select HW_HAS_PCI 9729bc463beSDavid Daney select SWAP_IO_SPACE 9739bc463beSDavid Daney help 9749bc463beSDavid Daney This option supports guest running under ???? 9759bc463beSDavid Daney 9761da177e4SLinus Torvaldsendchoice 9771da177e4SLinus Torvalds 978e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 9793b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 980d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 981a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 982e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 9838945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 9845e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 9855ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 9868ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 9871f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 9882572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 989af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 9900f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 991ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 99229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 99338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 99422b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 9955e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 996a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 99730ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 99830ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 9997f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1000ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 10019937f5ffSZubair Lutfullah Kakakhelsource "arch/mips/xilfpga/Kconfig" 100238b18f72SRalf Baechle 10035e83d430SRalf Baechleendmenu 10045e83d430SRalf Baechle 10051da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10061da177e4SLinus Torvalds bool 10071da177e4SLinus Torvalds default y 10081da177e4SLinus Torvalds 10091da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10101da177e4SLinus Torvalds bool 10111da177e4SLinus Torvalds 1012f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 1013f0d1b0b3SDavid Howells bool 1014f0d1b0b3SDavid Howells default n 1015f0d1b0b3SDavid Howells 1016f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 1017f0d1b0b3SDavid Howells bool 1018f0d1b0b3SDavid Howells default n 1019f0d1b0b3SDavid Howells 10203c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10213c9ee7efSAkinobu Mita bool 10223c9ee7efSAkinobu Mita default y 10233c9ee7efSAkinobu Mita 10241da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10251da177e4SLinus Torvalds bool 10261da177e4SLinus Torvalds default y 10271da177e4SLinus Torvalds 1028ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10291cc89038SAtsushi Nemoto bool 10301cc89038SAtsushi Nemoto default y 10311cc89038SAtsushi Nemoto 10321da177e4SLinus Torvalds# 10331da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10341da177e4SLinus Torvalds# 10350e2794b0SRalf Baechleconfig FW_ARC 10361da177e4SLinus Torvalds bool 10371da177e4SLinus Torvalds 103861ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 103961ed242dSRalf Baechle bool 104061ed242dSRalf Baechle 10419267a30dSMarc St-Jeanconfig BOOT_RAW 10429267a30dSMarc St-Jean bool 10439267a30dSMarc St-Jean 1044217dd11eSRalf Baechleconfig CEVT_BCM1480 1045217dd11eSRalf Baechle bool 1046217dd11eSRalf Baechle 10476457d9fcSYoichi Yuasaconfig CEVT_DS1287 10486457d9fcSYoichi Yuasa bool 10496457d9fcSYoichi Yuasa 10501097c6acSYoichi Yuasaconfig CEVT_GT641XX 10511097c6acSYoichi Yuasa bool 10521097c6acSYoichi Yuasa 105342f77542SRalf Baechleconfig CEVT_R4K 105442f77542SRalf Baechle bool 105542f77542SRalf Baechle 1056217dd11eSRalf Baechleconfig CEVT_SB1250 1057217dd11eSRalf Baechle bool 1058217dd11eSRalf Baechle 1059229f773eSAtsushi Nemotoconfig CEVT_TXX9 1060229f773eSAtsushi Nemoto bool 1061229f773eSAtsushi Nemoto 1062217dd11eSRalf Baechleconfig CSRC_BCM1480 1063217dd11eSRalf Baechle bool 1064217dd11eSRalf Baechle 10654247417dSYoichi Yuasaconfig CSRC_IOASIC 10664247417dSYoichi Yuasa bool 10674247417dSYoichi Yuasa 1068940f6b48SRalf Baechleconfig CSRC_R4K 1069940f6b48SRalf Baechle bool 1070940f6b48SRalf Baechle 1071217dd11eSRalf Baechleconfig CSRC_SB1250 1072217dd11eSRalf Baechle bool 1073217dd11eSRalf Baechle 1074a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1075a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1076a7f4df4eSAlex Smith 1077a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1078*d30a2b47SLinus Walleij select GPIOLIB 1079a9aec7feSAtsushi Nemoto bool 1080a9aec7feSAtsushi Nemoto 10810e2794b0SRalf Baechleconfig FW_CFE 1082df78b5c8SAurelien Jarno bool 1083df78b5c8SAurelien Jarno 10844bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 108534adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 10864bafad92SFUJITA Tomonori 108740e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 108840e084a5SRalf Baechle bool 108940e084a5SRalf Baechle 1090885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1091885014bcSFelix Fietkau select DMA_NONCOHERENT 1092885014bcSFelix Fietkau bool 1093885014bcSFelix Fietkau 10941da177e4SLinus Torvaldsconfig DMA_COHERENT 10951da177e4SLinus Torvalds bool 10961da177e4SLinus Torvalds 10971da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 10981da177e4SLinus Torvalds bool 1099e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 11004ce588cdSRalf Baechle 1101e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 11024ce588cdSRalf Baechle bool 11031da177e4SLinus Torvalds 110436a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11051da177e4SLinus Torvalds bool 11061da177e4SLinus Torvalds 1107dbb74540SRalf Baechleconfig HOTPLUG_CPU 11081b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 110940b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 11101b2bc75cSRalf Baechle help 11111b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 11121b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 11131b2bc75cSRalf Baechle (Note: power management support will enable this option 11141b2bc75cSRalf Baechle automatically on SMP systems. ) 11151b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 11161b2bc75cSRalf Baechle 11171b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1118dbb74540SRalf Baechle bool 1119dbb74540SRalf Baechle 11201da177e4SLinus Torvaldsconfig MIPS_BONITO64 11211da177e4SLinus Torvalds bool 11221da177e4SLinus Torvalds 11231da177e4SLinus Torvaldsconfig MIPS_MSC 11241da177e4SLinus Torvalds bool 11251da177e4SLinus Torvalds 11261f21d2bdSBrian Murphyconfig MIPS_NILE4 11271f21d2bdSBrian Murphy bool 11281f21d2bdSBrian Murphy 112939b8d525SRalf Baechleconfig SYNC_R4K 113039b8d525SRalf Baechle bool 113139b8d525SRalf Baechle 1132487d70d0SGabor Juhosconfig MIPS_MACHINE 1133487d70d0SGabor Juhos def_bool n 1134487d70d0SGabor Juhos 1135ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1136d388d685SMaciej W. Rozycki def_bool n 1137d388d685SMaciej W. Rozycki 11384e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11394e0748f5SMarkos Chandras bool 11404e0748f5SMarkos Chandras 11418313da30SRalf Baechleconfig GENERIC_ISA_DMA 11428313da30SRalf Baechle bool 11438313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1144a35bee8aSNamhyung Kim select ISA_DMA_API 11458313da30SRalf Baechle 1146aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1147aa414dffSRalf Baechle bool 11488313da30SRalf Baechle select GENERIC_ISA_DMA 1149aa414dffSRalf Baechle 1150a35bee8aSNamhyung Kimconfig ISA_DMA_API 1151a35bee8aSNamhyung Kim bool 1152a35bee8aSNamhyung Kim 1153465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1154465aaed0SDavid Daney bool 1155465aaed0SDavid Daney 11565e83d430SRalf Baechle# 11576b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11585e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11595e83d430SRalf Baechle# choice statement should be more obvious to the user. 11605e83d430SRalf Baechle# 11615e83d430SRalf Baechlechoice 11626b2aac42SMasanari Iida prompt "Endianness selection" 11631da177e4SLinus Torvalds help 11641da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11655e83d430SRalf Baechle byte order. These modes require different kernels and a different 11663cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11675e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11683dde6ad8SDavid Sterba one or the other endianness. 11695e83d430SRalf Baechle 11705e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11715e83d430SRalf Baechle bool "Big endian" 11725e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11735e83d430SRalf Baechle 11745e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11755e83d430SRalf Baechle bool "Little endian" 11765e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11775e83d430SRalf Baechle 11785e83d430SRalf Baechleendchoice 11795e83d430SRalf Baechle 118022b0763aSDavid Daneyconfig EXPORT_UASM 118122b0763aSDavid Daney bool 118222b0763aSDavid Daney 11832116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 11842116245eSRalf Baechle bool 11852116245eSRalf Baechle 11865e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 11875e83d430SRalf Baechle bool 11885e83d430SRalf Baechle 11895e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 11905e83d430SRalf Baechle bool 11911da177e4SLinus Torvalds 11929cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 11939cffd154SDavid Daney bool 11949cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 11959cffd154SDavid Daney default y 11969cffd154SDavid Daney 1197aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1198aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1199aa1762f4SDavid Daney 12001da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12011da177e4SLinus Torvalds bool 12021da177e4SLinus Torvalds 12039267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12049267a30dSMarc St-Jean bool 12059267a30dSMarc St-Jean 12069267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12079267a30dSMarc St-Jean bool 12089267a30dSMarc St-Jean 12098420fd00SAtsushi Nemotoconfig IRQ_TXX9 12108420fd00SAtsushi Nemoto bool 12118420fd00SAtsushi Nemoto 1212d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1213d5ab1a69SYoichi Yuasa bool 1214d5ab1a69SYoichi Yuasa 1215252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12161da177e4SLinus Torvalds bool 12171da177e4SLinus Torvalds 12189267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12199267a30dSMarc St-Jean bool 12209267a30dSMarc St-Jean 1221a83860c2SRalf Baechleconfig SOC_EMMA2RH 1222a83860c2SRalf Baechle bool 1223a83860c2SRalf Baechle select CEVT_R4K 1224a83860c2SRalf Baechle select CSRC_R4K 1225a83860c2SRalf Baechle select DMA_NONCOHERENT 122667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1227a83860c2SRalf Baechle select SWAP_IO_SPACE 1228a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1229a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1230a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1231a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1232a83860c2SRalf Baechle 1233edb6310aSDaniel Lairdconfig SOC_PNX833X 1234edb6310aSDaniel Laird bool 1235edb6310aSDaniel Laird select CEVT_R4K 1236edb6310aSDaniel Laird select CSRC_R4K 123767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1238edb6310aSDaniel Laird select DMA_NONCOHERENT 1239edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1240edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1241edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1242edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1243377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1244edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1245edb6310aSDaniel Laird 1246edb6310aSDaniel Lairdconfig SOC_PNX8335 1247edb6310aSDaniel Laird bool 1248edb6310aSDaniel Laird select SOC_PNX833X 1249edb6310aSDaniel Laird 1250a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1251a7e07b1aSMarkos Chandras bool 1252a7e07b1aSMarkos Chandras 12531da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12541da177e4SLinus Torvalds bool 12551da177e4SLinus Torvalds 1256e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1257e2defae5SThomas Bogendoerfer bool 1258e2defae5SThomas Bogendoerfer 12595b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12605b438c44SThomas Bogendoerfer bool 12615b438c44SThomas Bogendoerfer 1262e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1263e2defae5SThomas Bogendoerfer bool 1264e2defae5SThomas Bogendoerfer 1265e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1266e2defae5SThomas Bogendoerfer bool 1267e2defae5SThomas Bogendoerfer 1268e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1269e2defae5SThomas Bogendoerfer bool 1270e2defae5SThomas Bogendoerfer 1271e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1272e2defae5SThomas Bogendoerfer bool 1273e2defae5SThomas Bogendoerfer 1274e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1275e2defae5SThomas Bogendoerfer bool 1276e2defae5SThomas Bogendoerfer 12770e2794b0SRalf Baechleconfig FW_ARC32 12785e83d430SRalf Baechle bool 12795e83d430SRalf Baechle 1280aaa9fad3SPaul Bolleconfig FW_SNIPROM 1281231a35d3SThomas Bogendoerfer bool 1282231a35d3SThomas Bogendoerfer 12831da177e4SLinus Torvaldsconfig BOOT_ELF32 12841da177e4SLinus Torvalds bool 12851da177e4SLinus Torvalds 1286930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1287930beb5aSFlorian Fainelli bool 1288930beb5aSFlorian Fainelli 1289930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1290930beb5aSFlorian Fainelli bool 1291930beb5aSFlorian Fainelli 1292930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1293930beb5aSFlorian Fainelli bool 1294930beb5aSFlorian Fainelli 1295930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1296930beb5aSFlorian Fainelli bool 1297930beb5aSFlorian Fainelli 12981da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12991da177e4SLinus Torvalds int 1300a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13015432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13025432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13035432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13041da177e4SLinus Torvalds default "5" 13051da177e4SLinus Torvalds 13061da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13071da177e4SLinus Torvalds bool 13081da177e4SLinus Torvalds 13091da177e4SLinus Torvaldsconfig ARC_CONSOLE 13101da177e4SLinus Torvalds bool "ARC console support" 1311e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13121da177e4SLinus Torvalds 13131da177e4SLinus Torvaldsconfig ARC_MEMORY 13141da177e4SLinus Torvalds bool 131514b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13161da177e4SLinus Torvalds default y 13171da177e4SLinus Torvalds 13181da177e4SLinus Torvaldsconfig ARC_PROMLIB 13191da177e4SLinus Torvalds bool 1320e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13211da177e4SLinus Torvalds default y 13221da177e4SLinus Torvalds 13230e2794b0SRalf Baechleconfig FW_ARC64 13241da177e4SLinus Torvalds bool 13251da177e4SLinus Torvalds 13261da177e4SLinus Torvaldsconfig BOOT_ELF64 13271da177e4SLinus Torvalds bool 13281da177e4SLinus Torvalds 13291da177e4SLinus Torvaldsmenu "CPU selection" 13301da177e4SLinus Torvalds 13311da177e4SLinus Torvaldschoice 13321da177e4SLinus Torvalds prompt "CPU type" 13331da177e4SLinus Torvalds default CPU_R4X00 13341da177e4SLinus Torvalds 13350e476d91SHuacai Chenconfig CPU_LOONGSON3 13360e476d91SHuacai Chen bool "Loongson 3 CPU" 13370e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 13380e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13390e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13400e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13410e476d91SHuacai Chen select WEAK_ORDERING 13420e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1343*d30a2b47SLinus Walleij select GPIOLIB 13440e476d91SHuacai Chen help 13450e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13460e476d91SHuacai Chen set with many extensions. 13470e476d91SHuacai Chen 13483702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13493702bba5SWu Zhangjin bool "Loongson 2E" 13503702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 13513702bba5SWu Zhangjin select CPU_LOONGSON2 13522a21c730SFuxin Zhang help 13532a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13542a21c730SFuxin Zhang with many extensions. 13552a21c730SFuxin Zhang 135625985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13576f7a251aSWu Zhangjin bonito64. 13586f7a251aSWu Zhangjin 13596f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13606f7a251aSWu Zhangjin bool "Loongson 2F" 13616f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 13626f7a251aSWu Zhangjin select CPU_LOONGSON2 1363*d30a2b47SLinus Walleij select GPIOLIB 13646f7a251aSWu Zhangjin help 13656f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13666f7a251aSWu Zhangjin with many extensions. 13676f7a251aSWu Zhangjin 13686f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13696f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13706f7a251aSWu Zhangjin Loongson2E. 13716f7a251aSWu Zhangjin 1372ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1373ca585cf9SKelvin Cheung bool "Loongson 1B" 1374ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1375ca585cf9SKelvin Cheung select CPU_LOONGSON1 1376ca585cf9SKelvin Cheung help 1377ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1378ca585cf9SKelvin Cheung release 2 instruction set. 1379ca585cf9SKelvin Cheung 13806e760c8dSRalf Baechleconfig CPU_MIPS32_R1 13816e760c8dSRalf Baechle bool "MIPS32 Release 1" 13827cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 13836e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1384797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1385ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13866e760c8dSRalf Baechle help 13875e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 13881e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13891e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13901e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13911e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13921e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 13931e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 13941e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 13951e5f1caaSRalf Baechle performance. 13961e5f1caaSRalf Baechle 13971e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 13981e5f1caaSRalf Baechle bool "MIPS32 Release 2" 13997cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14001e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1401797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1402ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1403a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14042235a54dSSanjay Lal select HAVE_KVM 14051e5f1caaSRalf Baechle help 14065e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14076e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14086e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14096e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14106e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14111da177e4SLinus Torvalds 14127fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1413674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14147fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14157fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14167fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14177fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14187fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14194e0748f5SMarkos Chandras select GENERIC_CSUM 14207fd08ca5SLeonid Yegoshin select HAVE_KVM 14217fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14227fd08ca5SLeonid Yegoshin help 14237fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14247fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14257fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14267fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14277fd08ca5SLeonid Yegoshin 14286e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14296e760c8dSRalf Baechle bool "MIPS64 Release 1" 14307cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1431797798c1SRalf Baechle select CPU_HAS_PREFETCH 1432ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1433ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1434ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14359cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14366e760c8dSRalf Baechle help 14376e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14386e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14396e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14406e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14416e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14421e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14431e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14441e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14451e5f1caaSRalf Baechle performance. 14461e5f1caaSRalf Baechle 14471e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 14481e5f1caaSRalf Baechle bool "MIPS64 Release 2" 14497cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1450797798c1SRalf Baechle select CPU_HAS_PREFETCH 14511e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14521e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1453ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14549cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1455a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14561e5f1caaSRalf Baechle help 14571e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 14581e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14591e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14601e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14611e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14621da177e4SLinus Torvalds 14637fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1464674d10e2SMarkos Chandras bool "MIPS64 Release 6" 14657fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 14667fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14677fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14687fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 14697fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14707fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14714e0748f5SMarkos Chandras select GENERIC_CSUM 14724e9d324dSPaul Burton select MIPS_O32_FP64_SUPPORT if MIPS32_O32 14737fd08ca5SLeonid Yegoshin help 14747fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14757fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 14767fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 14777fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 14787fd08ca5SLeonid Yegoshin 14791da177e4SLinus Torvaldsconfig CPU_R3000 14801da177e4SLinus Torvalds bool "R3000" 14817cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1482f7062ddbSRalf Baechle select CPU_HAS_WB 1483ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1484797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14851da177e4SLinus Torvalds help 14861da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 14871da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 14881da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 14891da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 14901da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 14911da177e4SLinus Torvalds try to recompile with R3000. 14921da177e4SLinus Torvalds 14931da177e4SLinus Torvaldsconfig CPU_TX39XX 14941da177e4SLinus Torvalds bool "R39XX" 14957cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1496ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 14971da177e4SLinus Torvalds 14981da177e4SLinus Torvaldsconfig CPU_VR41XX 14991da177e4SLinus Torvalds bool "R41xx" 15007cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1501ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1502ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15031da177e4SLinus Torvalds help 15045e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15051da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15061da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15071da177e4SLinus Torvalds processor or vice versa. 15081da177e4SLinus Torvalds 15091da177e4SLinus Torvaldsconfig CPU_R4300 15101da177e4SLinus Torvalds bool "R4300" 15117cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1512ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1513ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15141da177e4SLinus Torvalds help 15151da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15161da177e4SLinus Torvalds 15171da177e4SLinus Torvaldsconfig CPU_R4X00 15181da177e4SLinus Torvalds bool "R4x00" 15197cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1520ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1521ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1522970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15231da177e4SLinus Torvalds help 15241da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15251da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15261da177e4SLinus Torvalds 15271da177e4SLinus Torvaldsconfig CPU_TX49XX 15281da177e4SLinus Torvalds bool "R49XX" 15297cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1530de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1531ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1532ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1533970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15341da177e4SLinus Torvalds 15351da177e4SLinus Torvaldsconfig CPU_R5000 15361da177e4SLinus Torvalds bool "R5000" 15377cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1538ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1539ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1540970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15411da177e4SLinus Torvalds help 15421da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 15431da177e4SLinus Torvalds 15441da177e4SLinus Torvaldsconfig CPU_R5432 15451da177e4SLinus Torvalds bool "R5432" 15467cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 15475e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15485e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1549970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15501da177e4SLinus Torvalds 1551542c1020SShinya Kuribayashiconfig CPU_R5500 1552542c1020SShinya Kuribayashi bool "R5500" 1553542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1554542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1555542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 15569cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1557542c1020SShinya Kuribayashi help 1558542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1559542c1020SShinya Kuribayashi instruction set. 1560542c1020SShinya Kuribayashi 15611da177e4SLinus Torvaldsconfig CPU_R6000 15621da177e4SLinus Torvalds bool "R6000" 15637cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1564ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15651da177e4SLinus Torvalds help 15661da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1567c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 15681da177e4SLinus Torvalds 15691da177e4SLinus Torvaldsconfig CPU_NEVADA 15701da177e4SLinus Torvalds bool "RM52xx" 15717cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1572ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1573ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1574970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15751da177e4SLinus Torvalds help 15761da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 15771da177e4SLinus Torvalds 15781da177e4SLinus Torvaldsconfig CPU_R8000 15791da177e4SLinus Torvalds bool "R8000" 15807cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 15815e83d430SRalf Baechle select CPU_HAS_PREFETCH 1582ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15831da177e4SLinus Torvalds help 15841da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 15851da177e4SLinus Torvalds uncommon and the support for them is incomplete. 15861da177e4SLinus Torvalds 15871da177e4SLinus Torvaldsconfig CPU_R10000 15881da177e4SLinus Torvalds bool "R10000" 15897cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 15905e83d430SRalf Baechle select CPU_HAS_PREFETCH 1591ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1592ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1593797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1594970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15951da177e4SLinus Torvalds help 15961da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 15971da177e4SLinus Torvalds 15981da177e4SLinus Torvaldsconfig CPU_RM7000 15991da177e4SLinus Torvalds bool "RM7000" 16007cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16015e83d430SRalf Baechle select CPU_HAS_PREFETCH 1602ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1603ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1604797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1605970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16061da177e4SLinus Torvalds 16071da177e4SLinus Torvaldsconfig CPU_SB1 16081da177e4SLinus Torvalds bool "SB1" 16097cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1610ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1611ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1612797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1613970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16140004a9dfSRalf Baechle select WEAK_ORDERING 16151da177e4SLinus Torvalds 1616a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1617a86c7f72SDavid Daney bool "Cavium Octeon processor" 16185e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1619a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1620a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1621a86c7f72SDavid Daney select WEAK_ORDERING 1622a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16239cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1624df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1625df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1626930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1627a86c7f72SDavid Daney help 1628a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1629a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1630a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1631a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1632a86c7f72SDavid Daney 1633cd746249SJonas Gorskiconfig CPU_BMIPS 1634cd746249SJonas Gorski bool "Broadcom BMIPS" 1635cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1636cd746249SJonas Gorski select CPU_MIPS32 1637fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1638cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1639cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1640cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1641cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1642cd746249SJonas Gorski select DMA_NONCOHERENT 164367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1644cd746249SJonas Gorski select SWAP_IO_SPACE 1645cd746249SJonas Gorski select WEAK_ORDERING 1646c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 164769aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1648c1c0c461SKevin Cernekee help 1649fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1650c1c0c461SKevin Cernekee 16517f058e85SJayachandran Cconfig CPU_XLR 16527f058e85SJayachandran C bool "Netlogic XLR SoC" 16537f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 16547f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16557f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16567f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1657970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16587f058e85SJayachandran C select WEAK_ORDERING 16597f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16607f058e85SJayachandran C help 16617f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 16621c773ea4SJayachandran C 16631c773ea4SJayachandran Cconfig CPU_XLP 16641c773ea4SJayachandran C bool "Netlogic XLP SoC" 16651c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 16661c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16671c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16681c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 16691c773ea4SJayachandran C select WEAK_ORDERING 16701c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16711c773ea4SJayachandran C select CPU_HAS_PREFETCH 1672d6504846SJayachandran C select CPU_MIPSR2 1673ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 16741c773ea4SJayachandran C help 16751c773ea4SJayachandran C Netlogic Microsystems XLP processors. 16761da177e4SLinus Torvaldsendchoice 16771da177e4SLinus Torvalds 1678a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1679a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1680a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 16817fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1682a6e18781SLeonid Yegoshin help 1683a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1684a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1685a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1686a6e18781SLeonid Yegoshin 1687a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1688a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1689a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1690a6e18781SLeonid Yegoshin select EVA 1691a6e18781SLeonid Yegoshin default y 1692a6e18781SLeonid Yegoshin help 1693a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1694a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1695a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1696a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1697a6e18781SLeonid Yegoshin 1698c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1699c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1700c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1701c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1702c5b36783SSteven J. Hill help 1703c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1704c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1705c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1706c5b36783SSteven J. Hill 1707c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1708c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1709c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1710c5b36783SSteven J. Hill depends on !EVA 1711c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1712c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1713c5b36783SSteven J. Hill select XPA 1714c5b36783SSteven J. Hill select HIGHMEM 1715c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1716c5b36783SSteven J. Hill default n 1717c5b36783SSteven J. Hill help 1718c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1719c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1720c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1721c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1722c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1723c5b36783SSteven J. Hill If unsure, say 'N' here. 1724c5b36783SSteven J. Hill 1725622844bfSWu Zhangjinif CPU_LOONGSON2F 1726622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1727622844bfSWu Zhangjin bool 1728622844bfSWu Zhangjin 1729622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1730622844bfSWu Zhangjin bool 1731622844bfSWu Zhangjin 1732622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1733622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1734622844bfSWu Zhangjin default y 1735622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1736622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1737622844bfSWu Zhangjin help 1738622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1739622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1740622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1741622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1742622844bfSWu Zhangjin 1743622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1744622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1745622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1746622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1747622844bfSWu Zhangjin systems. 1748622844bfSWu Zhangjin 1749622844bfSWu Zhangjin If unsure, please say Y. 1750622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1751622844bfSWu Zhangjin 17521b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 17531b93b3c3SWu Zhangjin bool 17541b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 17551b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 175631c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 17571b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1758fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 17594e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 17601b93b3c3SWu Zhangjin 17611b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 17621b93b3c3SWu Zhangjin bool 17631b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 17641b93b3c3SWu Zhangjin 1765dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1766dbb98314SAlban Bedel bool 1767dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1768dbb98314SAlban Bedel 17693702bba5SWu Zhangjinconfig CPU_LOONGSON2 17703702bba5SWu Zhangjin bool 17713702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 17723702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 17733702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1774970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17753702bba5SWu Zhangjin 1776ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1777ca585cf9SKelvin Cheung bool 1778ca585cf9SKelvin Cheung select CPU_MIPS32 1779ca585cf9SKelvin Cheung select CPU_MIPSR2 1780ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1781ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1782ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1783f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1784ca585cf9SKelvin Cheung 1785fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 178604fa8bf7SJonas Gorski select SMP_UP if SMP 17871bbb6c1bSKevin Cernekee bool 1788cd746249SJonas Gorski 1789cd746249SJonas Gorskiconfig CPU_BMIPS4350 1790cd746249SJonas Gorski bool 1791cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1792cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1793cd746249SJonas Gorski 1794cd746249SJonas Gorskiconfig CPU_BMIPS4380 1795cd746249SJonas Gorski bool 1796bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1797cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1798cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1799cd746249SJonas Gorski 1800cd746249SJonas Gorskiconfig CPU_BMIPS5000 1801cd746249SJonas Gorski bool 1802cd746249SJonas Gorski select MIPS_CPU_SCACHE 1803bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1804cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1805cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 18061bbb6c1bSKevin Cernekee 18070e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18080e476d91SHuacai Chen bool 18090e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 18100e476d91SHuacai Chen 18113702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18122a21c730SFuxin Zhang bool 18132a21c730SFuxin Zhang 18146f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18156f7a251aSWu Zhangjin bool 181655045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 181755045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 181822f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 18196f7a251aSWu Zhangjin 1820ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1821ca585cf9SKelvin Cheung bool 1822ca585cf9SKelvin Cheung 18237cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18247cf8053bSRalf Baechle bool 18257cf8053bSRalf Baechle 18267cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18277cf8053bSRalf Baechle bool 18287cf8053bSRalf Baechle 1829a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1830a6e18781SLeonid Yegoshin bool 1831a6e18781SLeonid Yegoshin 1832c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1833c5b36783SSteven J. Hill bool 1834c5b36783SSteven J. Hill 18357fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 18367fd08ca5SLeonid Yegoshin bool 18377fd08ca5SLeonid Yegoshin 18387cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 18397cf8053bSRalf Baechle bool 18407cf8053bSRalf Baechle 18417cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 18427cf8053bSRalf Baechle bool 18437cf8053bSRalf Baechle 18447fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 18457fd08ca5SLeonid Yegoshin bool 18467fd08ca5SLeonid Yegoshin 18477cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 18487cf8053bSRalf Baechle bool 18497cf8053bSRalf Baechle 18507cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 18517cf8053bSRalf Baechle bool 18527cf8053bSRalf Baechle 18537cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 18547cf8053bSRalf Baechle bool 18557cf8053bSRalf Baechle 18567cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 18577cf8053bSRalf Baechle bool 18587cf8053bSRalf Baechle 18597cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 18607cf8053bSRalf Baechle bool 18617cf8053bSRalf Baechle 18627cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 18637cf8053bSRalf Baechle bool 18647cf8053bSRalf Baechle 18657cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 18667cf8053bSRalf Baechle bool 18677cf8053bSRalf Baechle 18687cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 18697cf8053bSRalf Baechle bool 18707cf8053bSRalf Baechle 1871542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1872542c1020SShinya Kuribayashi bool 1873542c1020SShinya Kuribayashi 18747cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 18757cf8053bSRalf Baechle bool 18767cf8053bSRalf Baechle 18777cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 18787cf8053bSRalf Baechle bool 18797cf8053bSRalf Baechle 18807cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 18817cf8053bSRalf Baechle bool 18827cf8053bSRalf Baechle 18837cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 18847cf8053bSRalf Baechle bool 18857cf8053bSRalf Baechle 18867cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 18877cf8053bSRalf Baechle bool 18887cf8053bSRalf Baechle 18897cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 18907cf8053bSRalf Baechle bool 18917cf8053bSRalf Baechle 18925e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 18935e683389SDavid Daney bool 18945e683389SDavid Daney 1895cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1896c1c0c461SKevin Cernekee bool 1897c1c0c461SKevin Cernekee 1898fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1899c1c0c461SKevin Cernekee bool 1900cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1901c1c0c461SKevin Cernekee 1902c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1903c1c0c461SKevin Cernekee bool 1904cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1905c1c0c461SKevin Cernekee 1906c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1907c1c0c461SKevin Cernekee bool 1908cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1909c1c0c461SKevin Cernekee 1910c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1911c1c0c461SKevin Cernekee bool 1912cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1913c1c0c461SKevin Cernekee 19147f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 19157f058e85SJayachandran C bool 19167f058e85SJayachandran C 19171c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 19181c773ea4SJayachandran C bool 19191c773ea4SJayachandran C 1920b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1921b6911bbaSPaul Burton depends on MIPS_MALTA 1922b6911bbaSPaul Burton depends on PCI 1923b6911bbaSPaul Burton bool 1924b6911bbaSPaul Burton default y 1925b6911bbaSPaul Burton 192617099b11SRalf Baechle# 192717099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 192817099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 192917099b11SRalf Baechle# 19300004a9dfSRalf Baechleconfig WEAK_ORDERING 19310004a9dfSRalf Baechle bool 193217099b11SRalf Baechle 193317099b11SRalf Baechle# 193417099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 193517099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 193617099b11SRalf Baechle# 193717099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 193817099b11SRalf Baechle bool 19395e83d430SRalf Baechleendmenu 19405e83d430SRalf Baechle 19415e83d430SRalf Baechle# 19425e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19435e83d430SRalf Baechle# 19445e83d430SRalf Baechleconfig CPU_MIPS32 19455e83d430SRalf Baechle bool 19467fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 19475e83d430SRalf Baechle 19485e83d430SRalf Baechleconfig CPU_MIPS64 19495e83d430SRalf Baechle bool 19507fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 19515e83d430SRalf Baechle 19525e83d430SRalf Baechle# 1953c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 19545e83d430SRalf Baechle# 19555e83d430SRalf Baechleconfig CPU_MIPSR1 19565e83d430SRalf Baechle bool 19575e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 19585e83d430SRalf Baechle 19595e83d430SRalf Baechleconfig CPU_MIPSR2 19605e83d430SRalf Baechle bool 1961a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1962a7e07b1aSMarkos Chandras select MIPS_SPRAM 19635e83d430SRalf Baechle 19647fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 19657fd08ca5SLeonid Yegoshin bool 19667fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 1967a7e07b1aSMarkos Chandras select MIPS_SPRAM 19685e83d430SRalf Baechle 1969a6e18781SLeonid Yegoshinconfig EVA 1970a6e18781SLeonid Yegoshin bool 1971a6e18781SLeonid Yegoshin 1972c5b36783SSteven J. Hillconfig XPA 1973c5b36783SSteven J. Hill bool 1974c5b36783SSteven J. Hill 19755e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 19765e83d430SRalf Baechle bool 19775e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 19785e83d430SRalf Baechle bool 19795e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 19805e83d430SRalf Baechle bool 19815e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 19825e83d430SRalf Baechle bool 198355045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 198455045ff5SWu Zhangjin bool 198555045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 198655045ff5SWu Zhangjin bool 19879cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 19889cffd154SDavid Daney bool 198922f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 199022f1fdfdSWu Zhangjin bool 199182622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 199282622284SDavid Daney bool 1993d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 19945e83d430SRalf Baechle 19958192c9eaSDavid Daney# 19968192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 19978192c9eaSDavid Daney# 19988192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 19998192c9eaSDavid Daney bool 2000f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 20018192c9eaSDavid Daney 20025e83d430SRalf Baechlemenu "Kernel type" 20035e83d430SRalf Baechle 20045e83d430SRalf Baechlechoice 20055e83d430SRalf Baechle prompt "Kernel code model" 20065e83d430SRalf Baechle help 20075e83d430SRalf Baechle You should only select this option if you have a workload that 20085e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20095e83d430SRalf Baechle large memory. You will only be presented a single option in this 20105e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20115e83d430SRalf Baechle 20125e83d430SRalf Baechleconfig 32BIT 20135e83d430SRalf Baechle bool "32-bit kernel" 20145e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20155e83d430SRalf Baechle select TRAD_SIGNALS 20165e83d430SRalf Baechle help 20175e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2018f17c4ca3SRalf Baechle 20195e83d430SRalf Baechleconfig 64BIT 20205e83d430SRalf Baechle bool "64-bit kernel" 20215e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20225e83d430SRalf Baechle help 20235e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 20245e83d430SRalf Baechle 20255e83d430SRalf Baechleendchoice 20265e83d430SRalf Baechle 20272235a54dSSanjay Lalconfig KVM_GUEST 20282235a54dSSanjay Lal bool "KVM Guest Kernel" 2029f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 20302235a54dSSanjay Lal help 2031caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2032caa1faa7SJames Hogan mode. 20332235a54dSSanjay Lal 2034eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2035eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 20362235a54dSSanjay Lal depends on KVM_GUEST 2037eda3d33cSJames Hogan default 100 20382235a54dSSanjay Lal help 2039eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2040eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2041eda3d33cSJames Hogan timer frequency is specified directly. 20422235a54dSSanjay Lal 20431da177e4SLinus Torvaldschoice 20441da177e4SLinus Torvalds prompt "Kernel page size" 20451da177e4SLinus Torvalds default PAGE_SIZE_4KB 20461da177e4SLinus Torvalds 20471da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 20481da177e4SLinus Torvalds bool "4kB" 20490e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 20501da177e4SLinus Torvalds help 20511da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 20521da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 20531da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 20541da177e4SLinus Torvalds recommended for low memory systems. 20551da177e4SLinus Torvalds 20561da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 20571da177e4SLinus Torvalds bool "8kB" 20587d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 20591da177e4SLinus Torvalds help 20601da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 20611da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2062c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2063c52399beSRalf Baechle suitable Linux distribution to support this. 20641da177e4SLinus Torvalds 20651da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 20661da177e4SLinus Torvalds bool "16kB" 2067714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 20681da177e4SLinus Torvalds help 20691da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 20701da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2071714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2072714bfad6SRalf Baechle Linux distribution to support this. 20731da177e4SLinus Torvalds 2074c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2075c52399beSRalf Baechle bool "32kB" 2076c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 2077c52399beSRalf Baechle help 2078c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2079c52399beSRalf Baechle the price of higher memory consumption. This option is available 2080c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2081c52399beSRalf Baechle distribution to support this. 2082c52399beSRalf Baechle 20831da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 20841da177e4SLinus Torvalds bool "64kB" 208574c81ecdSRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000 20861da177e4SLinus Torvalds help 20871da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 20881da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 20891da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2090714bfad6SRalf Baechle writing this option is still high experimental. 20911da177e4SLinus Torvalds 20921da177e4SLinus Torvaldsendchoice 20931da177e4SLinus Torvalds 2094c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2095c9bace7cSDavid Daney int "Maximum zone order" 2096e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2097e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2098e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2099e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2100e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2101e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2102c9bace7cSDavid Daney range 11 64 2103c9bace7cSDavid Daney default "11" 2104c9bace7cSDavid Daney help 2105c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2106c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2107c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2108c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2109c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2110c9bace7cSDavid Daney increase this value. 2111c9bace7cSDavid Daney 2112c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2113c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2114c9bace7cSDavid Daney 2115c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2116c9bace7cSDavid Daney when choosing a value for this option. 2117c9bace7cSDavid Daney 21181da177e4SLinus Torvaldsconfig BOARD_SCACHE 21191da177e4SLinus Torvalds bool 21201da177e4SLinus Torvalds 21211da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 21221da177e4SLinus Torvalds bool 21231da177e4SLinus Torvalds select BOARD_SCACHE 21241da177e4SLinus Torvalds 21259318c51aSChris Dearman# 21269318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 21279318c51aSChris Dearman# 21289318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 21299318c51aSChris Dearman bool 21309318c51aSChris Dearman select BOARD_SCACHE 21319318c51aSChris Dearman 21321da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 21331da177e4SLinus Torvalds bool 21341da177e4SLinus Torvalds select BOARD_SCACHE 21351da177e4SLinus Torvalds 21361da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 21371da177e4SLinus Torvalds bool 21381da177e4SLinus Torvalds select BOARD_SCACHE 21391da177e4SLinus Torvalds 21401da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 21411da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 21421da177e4SLinus Torvalds depends on CPU_SB1 21431da177e4SLinus Torvalds help 21441da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 21451da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 21461da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 21471da177e4SLinus Torvalds 21481da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2149c8094b53SRalf Baechle bool 21501da177e4SLinus Torvalds 21513165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 21523165c846SFlorian Fainelli bool 21533165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 21543165c846SFlorian Fainelli 215591405eb6SFlorian Fainelliconfig CPU_R4K_FPU 215691405eb6SFlorian Fainelli bool 215791405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 215891405eb6SFlorian Fainelli 215962cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 216062cedc4fSFlorian Fainelli bool 216162cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 216262cedc4fSFlorian Fainelli 216359d6ab86SRalf Baechleconfig MIPS_MT_SMP 2164a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 21655676319cSMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 216659d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2167d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2168c080faa5SSteven J. Hill select SYNC_R4K 216959d6ab86SRalf Baechle select MIPS_MT 217059d6ab86SRalf Baechle select SMP 217187353d8aSRalf Baechle select SMP_UP 2172c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2173c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2174399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 217559d6ab86SRalf Baechle help 2176c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2177c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2178c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2179c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2180c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 218159d6ab86SRalf Baechle 2182f41ae0b2SRalf Baechleconfig MIPS_MT 2183f41ae0b2SRalf Baechle bool 2184f41ae0b2SRalf Baechle 21850ab7aefcSRalf Baechleconfig SCHED_SMT 21860ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 21870ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 21880ab7aefcSRalf Baechle default n 21890ab7aefcSRalf Baechle help 21900ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 21910ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 21920ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 21930ab7aefcSRalf Baechle 21940ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 21950ab7aefcSRalf Baechle bool 21960ab7aefcSRalf Baechle 2197f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2198f41ae0b2SRalf Baechle bool 2199f41ae0b2SRalf Baechle 2200f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2201f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2202f088fc84SRalf Baechle default y 2203b633648cSRalf Baechle depends on MIPS_MT_SMP 220407cc0c9eSRalf Baechle 2205b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2206b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 2207b0a668fbSLeonid Yegoshin depends on CPU_MIPSR6 && !SMP 2208b0a668fbSLeonid Yegoshin default y 2209b0a668fbSLeonid Yegoshin help 2210b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2211b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 221207edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2213b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2214b0a668fbSLeonid Yegoshin final kernel image. 2215b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels" 2216b0a668fbSLeonid Yegoshin depends on SMP && CPU_MIPSR6 2217b0a668fbSLeonid Yegoshin 221807cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 221907cc0c9eSRalf Baechle bool "VPE loader support." 2220704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 222107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 222207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 222307cc0c9eSRalf Baechle select MIPS_MT 222407cc0c9eSRalf Baechle help 222507cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 222607cc0c9eSRalf Baechle onto another VPE and running it. 2227f088fc84SRalf Baechle 222817a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 222917a1d523SDeng-Cheng Zhu bool 223017a1d523SDeng-Cheng Zhu default "y" 223117a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 223217a1d523SDeng-Cheng Zhu 22331a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 22341a2a6d7eSDeng-Cheng Zhu bool 22351a2a6d7eSDeng-Cheng Zhu default "y" 22361a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 22371a2a6d7eSDeng-Cheng Zhu 2238e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2239e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2240e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2241e01402b1SRalf Baechle default y 2242e01402b1SRalf Baechle help 2243e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2244e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2245e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2246e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2247e01402b1SRalf Baechle 2248e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2249e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2250e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 22515e83d430SRalf Baechle help 2252e01402b1SRalf Baechle 2253da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2254da615cf6SDeng-Cheng Zhu bool 2255da615cf6SDeng-Cheng Zhu default "y" 2256da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2257da615cf6SDeng-Cheng Zhu 22582c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 22592c973ef0SDeng-Cheng Zhu bool 22602c973ef0SDeng-Cheng Zhu default "y" 22612c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 22622c973ef0SDeng-Cheng Zhu 22634a16ff4cSRalf Baechleconfig MIPS_CMP 22645cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 22655676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2266b10b43baSMarkos Chandras select SMP 2267eb9b5141STim Anderson select SYNC_R4K 2268b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 22694a16ff4cSRalf Baechle select WEAK_ORDERING 22704a16ff4cSRalf Baechle default n 22714a16ff4cSRalf Baechle help 2272044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2273044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2274044505c7SPaul Burton its ability to start secondary CPUs. 22754a16ff4cSRalf Baechle 22765cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 22775cac93b3SPaul Burton instead of this. 22785cac93b3SPaul Burton 22790ee958e1SPaul Burtonconfig MIPS_CPS 22800ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 22815676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6 22820ee958e1SPaul Burton select MIPS_CM 22830ee958e1SPaul Burton select MIPS_CPC 22841d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 22850ee958e1SPaul Burton select SMP 22860ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 22871d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 22880ee958e1SPaul Burton select SYS_SUPPORTS_SMP 22890ee958e1SPaul Burton select WEAK_ORDERING 22900ee958e1SPaul Burton help 22910ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 22920ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 22930ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 22940ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 22950ee958e1SPaul Burton support is unavailable. 22960ee958e1SPaul Burton 22973179d37eSPaul Burtonconfig MIPS_CPS_PM 229839a59593SMarkos Chandras depends on MIPS_CPS 2299a8b84677SPaul Burton select MIPS_CPC 23003179d37eSPaul Burton bool 23013179d37eSPaul Burton 23029f98f3ddSPaul Burtonconfig MIPS_CM 23039f98f3ddSPaul Burton bool 23049f98f3ddSPaul Burton 23059c38cf44SPaul Burtonconfig MIPS_CPC 23069c38cf44SPaul Burton bool 23072600990eSRalf Baechle 23081da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 23091da177e4SLinus Torvalds bool 23101da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 23111da177e4SLinus Torvalds default y 23121da177e4SLinus Torvalds 23131da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 23141da177e4SLinus Torvalds bool 23151da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 23161da177e4SLinus Torvalds default y 23171da177e4SLinus Torvalds 23182235a54dSSanjay Lal 231960ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 232034adb28dSRalf Baechle bool 232160ec6571Spascal@pabr.org 23229e2b5372SMarkos Chandraschoice 23239e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 23249e2b5372SMarkos Chandras 23259e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 23269e2b5372SMarkos Chandras bool "None" 23279e2b5372SMarkos Chandras help 23289e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 23299e2b5372SMarkos Chandras 23309693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 23319693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 23329e2b5372SMarkos Chandras bool "SmartMIPS" 23339693a853SFranck Bui-Huu help 23349693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 23359693a853SFranck Bui-Huu increased security at both hardware and software level for 23369693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 23379693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 23389693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 23399693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 23409693a853SFranck Bui-Huu here. 23419693a853SFranck Bui-Huu 2342bce86083SSteven J. Hillconfig CPU_MICROMIPS 23437fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 23449e2b5372SMarkos Chandras bool "microMIPS" 2345bce86083SSteven J. Hill help 2346bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2347bce86083SSteven J. Hill microMIPS ISA 2348bce86083SSteven J. Hill 23499e2b5372SMarkos Chandrasendchoice 23509e2b5372SMarkos Chandras 2351a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 23520ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2353a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 23542a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2355a5e9a69eSPaul Burton help 2356a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2357a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 23581db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 23591db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 23601db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 23611db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 23621db1af84SPaul Burton the size & complexity of your kernel. 2363a5e9a69eSPaul Burton 2364a5e9a69eSPaul Burton If unsure, say Y. 2365a5e9a69eSPaul Burton 23661da177e4SLinus Torvaldsconfig CPU_HAS_WB 2367f7062ddbSRalf Baechle bool 2368e01402b1SRalf Baechle 2369df0ac8a4SKevin Cernekeeconfig XKS01 2370df0ac8a4SKevin Cernekee bool 2371df0ac8a4SKevin Cernekee 2372f41ae0b2SRalf Baechle# 2373f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2374f41ae0b2SRalf Baechle# 2375e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2376f41ae0b2SRalf Baechle bool 2377e01402b1SRalf Baechle 2378f41ae0b2SRalf Baechle# 2379f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2380f41ae0b2SRalf Baechle# 2381e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2382f41ae0b2SRalf Baechle bool 2383e01402b1SRalf Baechle 23841da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 23851da177e4SLinus Torvalds bool 23861da177e4SLinus Torvalds depends on !CPU_R3000 23871da177e4SLinus Torvalds default y 23881da177e4SLinus Torvalds 23891da177e4SLinus Torvalds# 239020d60d99SMaciej W. Rozycki# CPU non-features 239120d60d99SMaciej W. Rozycki# 239220d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 239320d60d99SMaciej W. Rozycki bool 239420d60d99SMaciej W. Rozycki 239520d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 239620d60d99SMaciej W. Rozycki bool 239720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 239820d60d99SMaciej W. Rozycki 239920d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 240020d60d99SMaciej W. Rozycki bool 240120d60d99SMaciej W. Rozycki 240220d60d99SMaciej W. Rozycki# 24031da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 24041da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 24051da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 24061da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 24071da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 24081da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 24091da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 24101da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2411797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2412797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2413797798c1SRalf Baechle# support. 24141da177e4SLinus Torvalds# 24151da177e4SLinus Torvaldsconfig HIGHMEM 24161da177e4SLinus Torvalds bool "High Memory Support" 2417a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2418797798c1SRalf Baechle 2419797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2420797798c1SRalf Baechle bool 2421797798c1SRalf Baechle 2422797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2423797798c1SRalf Baechle bool 24241da177e4SLinus Torvalds 24259693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 24269693a853SFranck Bui-Huu bool 24279693a853SFranck Bui-Huu 2428a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2429a6a4834cSSteven J. Hill bool 2430a6a4834cSSteven J. Hill 2431377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2432377cb1b6SRalf Baechle bool 2433377cb1b6SRalf Baechle help 2434377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2435377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2436377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2437377cb1b6SRalf Baechle 2438a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2439a5e9a69eSPaul Burton bool 2440a5e9a69eSPaul Burton 2441b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2442b4819b59SYoichi Yuasa def_bool y 2443f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2444b4819b59SYoichi Yuasa 2445d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2446d8cb4e11SRalf Baechle bool 2447d8cb4e11SRalf Baechle default y if SGI_IP27 2448d8cb4e11SRalf Baechle help 24493dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2450d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2451d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2452d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2453d8cb4e11SRalf Baechle 2454b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2455b1c6cd42SAtsushi Nemoto bool 24567de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 245731473747SAtsushi Nemoto 2458d8cb4e11SRalf Baechleconfig NUMA 2459d8cb4e11SRalf Baechle bool "NUMA Support" 2460d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2461d8cb4e11SRalf Baechle help 2462d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2463d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2464d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2465d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2466d8cb4e11SRalf Baechle disabled. 2467d8cb4e11SRalf Baechle 2468d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2469d8cb4e11SRalf Baechle bool 2470d8cb4e11SRalf Baechle 2471c80d79d7SYasunori Gotoconfig NODES_SHIFT 2472c80d79d7SYasunori Goto int 2473c80d79d7SYasunori Goto default "6" 2474c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2475c80d79d7SYasunori Goto 247614f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 247714f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2478f14ceff7SHuacai Chen depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 247914f70012SDeng-Cheng Zhu default y 248014f70012SDeng-Cheng Zhu help 248114f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 248214f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 248314f70012SDeng-Cheng Zhu 2484b4819b59SYoichi Yuasasource "mm/Kconfig" 2485b4819b59SYoichi Yuasa 24861da177e4SLinus Torvaldsconfig SMP 24871da177e4SLinus Torvalds bool "Multi-Processing support" 2488e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2489e73ea273SRalf Baechle help 24901da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 24914a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 24924a474157SRobert Graffham than one CPU, say Y. 24931da177e4SLinus Torvalds 24944a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 24951da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 24961da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 24974a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 24981da177e4SLinus Torvalds will run faster if you say N here. 24991da177e4SLinus Torvalds 25001da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 25011da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 25021da177e4SLinus Torvalds 250303502faaSAdrian Bunk See also the SMP-HOWTO available at 250403502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 25051da177e4SLinus Torvalds 25061da177e4SLinus Torvalds If you don't know what to do here, say N. 25071da177e4SLinus Torvalds 250887353d8aSRalf Baechleconfig SMP_UP 250987353d8aSRalf Baechle bool 251087353d8aSRalf Baechle 25114a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 25124a16ff4cSRalf Baechle bool 25134a16ff4cSRalf Baechle 25140ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 25150ee958e1SPaul Burton bool 25160ee958e1SPaul Burton 2517e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2518e73ea273SRalf Baechle bool 2519e73ea273SRalf Baechle 2520130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2521130e2fb7SRalf Baechle bool 2522130e2fb7SRalf Baechle 2523130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2524130e2fb7SRalf Baechle bool 2525130e2fb7SRalf Baechle 2526130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2527130e2fb7SRalf Baechle bool 2528130e2fb7SRalf Baechle 2529130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2530130e2fb7SRalf Baechle bool 2531130e2fb7SRalf Baechle 2532130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2533130e2fb7SRalf Baechle bool 2534130e2fb7SRalf Baechle 25351da177e4SLinus Torvaldsconfig NR_CPUS 2536a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2537a91796a9SJayachandran C range 2 256 25381da177e4SLinus Torvalds depends on SMP 2539130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2540130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2541130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2542130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2543130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 25441da177e4SLinus Torvalds help 25451da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 25461da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 25471da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 254872ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 254972ede9b1SAtsushi Nemoto and 2 for all others. 25501da177e4SLinus Torvalds 25511da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 255272ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 255372ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 255472ede9b1SAtsushi Nemoto power of two. 25551da177e4SLinus Torvalds 2556399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2557399aaa25SAl Cooper bool 2558399aaa25SAl Cooper 25591723b4a3SAtsushi Nemoto# 25601723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 25611723b4a3SAtsushi Nemoto# 25621723b4a3SAtsushi Nemoto 25631723b4a3SAtsushi Nemotochoice 25641723b4a3SAtsushi Nemoto prompt "Timer frequency" 25651723b4a3SAtsushi Nemoto default HZ_250 25661723b4a3SAtsushi Nemoto help 25671723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 25681723b4a3SAtsushi Nemoto 256967596573SPaul Burton config HZ_24 257067596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 257167596573SPaul Burton 25721723b4a3SAtsushi Nemoto config HZ_48 25730f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 25741723b4a3SAtsushi Nemoto 25751723b4a3SAtsushi Nemoto config HZ_100 25761723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 25771723b4a3SAtsushi Nemoto 25781723b4a3SAtsushi Nemoto config HZ_128 25791723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 25801723b4a3SAtsushi Nemoto 25811723b4a3SAtsushi Nemoto config HZ_250 25821723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 25831723b4a3SAtsushi Nemoto 25841723b4a3SAtsushi Nemoto config HZ_256 25851723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 25861723b4a3SAtsushi Nemoto 25871723b4a3SAtsushi Nemoto config HZ_1000 25881723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 25891723b4a3SAtsushi Nemoto 25901723b4a3SAtsushi Nemoto config HZ_1024 25911723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 25921723b4a3SAtsushi Nemoto 25931723b4a3SAtsushi Nemotoendchoice 25941723b4a3SAtsushi Nemoto 259567596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 259667596573SPaul Burton bool 259767596573SPaul Burton 25981723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 25991723b4a3SAtsushi Nemoto bool 26001723b4a3SAtsushi Nemoto 26011723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 26021723b4a3SAtsushi Nemoto bool 26031723b4a3SAtsushi Nemoto 26041723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 26051723b4a3SAtsushi Nemoto bool 26061723b4a3SAtsushi Nemoto 26071723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 26081723b4a3SAtsushi Nemoto bool 26091723b4a3SAtsushi Nemoto 26101723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 26111723b4a3SAtsushi Nemoto bool 26121723b4a3SAtsushi Nemoto 26131723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 26141723b4a3SAtsushi Nemoto bool 26151723b4a3SAtsushi Nemoto 26161723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 26171723b4a3SAtsushi Nemoto bool 26181723b4a3SAtsushi Nemoto 26191723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 26201723b4a3SAtsushi Nemoto bool 262167596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 262267596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 262367596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 262467596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 262567596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 262667596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 262767596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 26281723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 26291723b4a3SAtsushi Nemoto 26301723b4a3SAtsushi Nemotoconfig HZ 26311723b4a3SAtsushi Nemoto int 263267596573SPaul Burton default 24 if HZ_24 26331723b4a3SAtsushi Nemoto default 48 if HZ_48 26341723b4a3SAtsushi Nemoto default 100 if HZ_100 26351723b4a3SAtsushi Nemoto default 128 if HZ_128 26361723b4a3SAtsushi Nemoto default 250 if HZ_250 26371723b4a3SAtsushi Nemoto default 256 if HZ_256 26381723b4a3SAtsushi Nemoto default 1000 if HZ_1000 26391723b4a3SAtsushi Nemoto default 1024 if HZ_1024 26401723b4a3SAtsushi Nemoto 264196685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 264296685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 264396685b17SDeng-Cheng Zhu 2644e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 26451da177e4SLinus Torvalds 2646ea6e942bSAtsushi Nemotoconfig KEXEC 26477d60717eSKees Cook bool "Kexec system call" 26482965faa5SDave Young select KEXEC_CORE 2649ea6e942bSAtsushi Nemoto help 2650ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2651ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 26523dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2653ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2654ea6e942bSAtsushi Nemoto 265501dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2656ea6e942bSAtsushi Nemoto 2657ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2658ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2659bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2660bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2661bf220695SGeert Uytterhoeven made. 2662ea6e942bSAtsushi Nemoto 26637aa1c8f4SRalf Baechleconfig CRASH_DUMP 26647aa1c8f4SRalf Baechle bool "Kernel crash dumps" 26657aa1c8f4SRalf Baechle help 26667aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 26677aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 26687aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 26697aa1c8f4SRalf Baechle a specially reserved region and then later executed after 26707aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 26717aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 26727aa1c8f4SRalf Baechle PHYSICAL_START. 26737aa1c8f4SRalf Baechle 26747aa1c8f4SRalf Baechleconfig PHYSICAL_START 26757aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 26767aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 26777aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 26787aa1c8f4SRalf Baechle depends on CRASH_DUMP 26797aa1c8f4SRalf Baechle help 26807aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 26817aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 26827aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 26837aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 26847aa1c8f4SRalf Baechle passed to the panic-ed kernel). 26857aa1c8f4SRalf Baechle 2686ea6e942bSAtsushi Nemotoconfig SECCOMP 2687ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2688293c5bd1SRalf Baechle depends on PROC_FS 2689ea6e942bSAtsushi Nemoto default y 2690ea6e942bSAtsushi Nemoto help 2691ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2692ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2693ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2694ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2695ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2696ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2697ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2698ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2699ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2700ea6e942bSAtsushi Nemoto 2701ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2702ea6e942bSAtsushi Nemoto 2703597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 27040ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2705597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2706597ce172SPaul Burton help 2707597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2708597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2709597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2710597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2711597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2712597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2713597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2714597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2715597ce172SPaul Burton saying N here. 2716597ce172SPaul Burton 271706e2e882SPaul Burton Although binutils currently supports use of this flag the details 271806e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 271906e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 272006e2e882SPaul Burton behaviour before the details have been finalised, this option should 272106e2e882SPaul Burton be considered experimental and only enabled by those working upon 272206e2e882SPaul Burton said details. 272306e2e882SPaul Burton 272406e2e882SPaul Burton If unsure, say N. 2725597ce172SPaul Burton 2726f2ffa5abSDezhong Diaoconfig USE_OF 27270b3e06fdSJonas Gorski bool 2728f2ffa5abSDezhong Diao select OF 2729e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2730abd2363fSGrant Likely select IRQ_DOMAIN 2731f2ffa5abSDezhong Diao 27327fafb068SAndrew Brestickerconfig BUILTIN_DTB 27337fafb068SAndrew Bresticker bool 27347fafb068SAndrew Bresticker 27351da8f179SJonas Gorskichoice 27365b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 27371da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 27381da8f179SJonas Gorski 27391da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 27401da8f179SJonas Gorski bool "None" 27411da8f179SJonas Gorski help 27421da8f179SJonas Gorski Do not enable appended dtb support. 27431da8f179SJonas Gorski 274487db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 274587db537dSAaro Koskinen bool "vmlinux" 274687db537dSAaro Koskinen help 274787db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 274887db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 274987db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 275087db537dSAaro Koskinen objcopy: 275187db537dSAaro Koskinen 275287db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 275387db537dSAaro Koskinen 275487db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 275587db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 275687db537dSAaro Koskinen the documented boot protocol using a device tree. 275787db537dSAaro Koskinen 27581da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 27591da8f179SJonas Gorski bool "vmlinux.bin" 27601da8f179SJonas Gorski help 27611da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 27621da8f179SJonas Gorski DTB) appended to raw vmlinux.bin (without decompressor). 27631da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 27641da8f179SJonas Gorski 27651da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 27661da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 27671da8f179SJonas Gorski the documented boot protocol using a device tree. 27681da8f179SJonas Gorski 27691da8f179SJonas Gorski Beware that there is very little in terms of protection against 27701da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 27711da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 27721da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 27731da8f179SJonas Gorski if you don't intend to always append a DTB. 2774c0b4e101SJonas Gorski 2775c0b4e101SJonas Gorski config MIPS_ZBOOT_APPENDED_DTB 2776c0b4e101SJonas Gorski bool "vmlinuz.bin" 2777c0b4e101SJonas Gorski depends on SYS_SUPPORTS_ZBOOT 2778c0b4e101SJonas Gorski help 2779c0b4e101SJonas Gorski With this option, the boot code will look for a device tree binary 2780c0b4e101SJonas Gorski DTB) appended to raw vmlinuz.bin (with decompressor). 2781c0b4e101SJonas Gorski (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb). 2782c0b4e101SJonas Gorski 2783c0b4e101SJonas Gorski This is meant as a backward compatibility convenience for those 2784c0b4e101SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 2785c0b4e101SJonas Gorski the documented boot protocol using a device tree. 2786c0b4e101SJonas Gorski 2787c0b4e101SJonas Gorski Beware that there is very little in terms of protection against 2788c0b4e101SJonas Gorski this option being confused by leftover garbage in memory that might 2789c0b4e101SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 2790c0b4e101SJonas Gorski to vmlinuz.bin. Do not leave this option active in a production kernel 2791c0b4e101SJonas Gorski if you don't intend to always append a DTB. 27921da8f179SJonas Gorskiendchoice 27931da8f179SJonas Gorski 27942024972eSJonas Gorskichoice 27952024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 27962bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 27972bcef9b4SJonas Gorski !MIPS_MALTA && !MIPS_SEAD3 && \ 27982bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 27992024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 28002024972eSJonas Gorski 28012024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 28022024972eSJonas Gorski depends on USE_OF 28032024972eSJonas Gorski bool "Dtb kernel arguments if available" 28042024972eSJonas Gorski 28052024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 28062024972eSJonas Gorski depends on USE_OF 28072024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 28082024972eSJonas Gorski 28092024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 28102024972eSJonas Gorski bool "Bootloader kernel arguments if available" 28112024972eSJonas Gorskiendchoice 28122024972eSJonas Gorski 28135e83d430SRalf Baechleendmenu 28145e83d430SRalf Baechle 28151df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 28161df0f0ffSAtsushi Nemoto bool 28171df0f0ffSAtsushi Nemoto default y 28181df0f0ffSAtsushi Nemoto 28191df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 28201df0f0ffSAtsushi Nemoto bool 28211df0f0ffSAtsushi Nemoto default y 28221df0f0ffSAtsushi Nemoto 2823e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 2824e1e16115SAaro Koskinen bool 2825e1e16115SAaro Koskinen default y 2826e1e16115SAaro Koskinen 2827a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2828a728ab52SKirill A. Shutemov int 2829a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2830a728ab52SKirill A. Shutemov default 2 2831a728ab52SKirill A. Shutemov 2832b6c3539bSRalf Baechlesource "init/Kconfig" 2833b6c3539bSRalf Baechle 2834dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2835dc52ddc0SMatt Helsley 28361da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 28371da177e4SLinus Torvalds 28385e83d430SRalf Baechleconfig HW_HAS_EISA 28395e83d430SRalf Baechle bool 28401da177e4SLinus Torvaldsconfig HW_HAS_PCI 28411da177e4SLinus Torvalds bool 28421da177e4SLinus Torvalds 28431da177e4SLinus Torvaldsconfig PCI 28441da177e4SLinus Torvalds bool "Support for PCI controller" 28451da177e4SLinus Torvalds depends on HW_HAS_PCI 2846abb4ae46SRalf Baechle select PCI_DOMAINS 28470f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 28481da177e4SLinus Torvalds help 28491da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 28501da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 28511da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 28521da177e4SLinus Torvalds say Y, otherwise N. 28531da177e4SLinus Torvalds 28540e476d91SHuacai Chenconfig HT_PCI 28550e476d91SHuacai Chen bool "Support for HT-linked PCI" 28560e476d91SHuacai Chen default y 28570e476d91SHuacai Chen depends on CPU_LOONGSON3 28580e476d91SHuacai Chen select PCI 28590e476d91SHuacai Chen select PCI_DOMAINS 28600e476d91SHuacai Chen help 28610e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 28620e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 28630e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 28640e476d91SHuacai Chen 28651da177e4SLinus Torvaldsconfig PCI_DOMAINS 28661da177e4SLinus Torvalds bool 28671da177e4SLinus Torvalds 28681da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 28691da177e4SLinus Torvalds 28701da177e4SLinus Torvalds# 28711da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 28721da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 28731da177e4SLinus Torvalds# users to choose the right thing ... 28741da177e4SLinus Torvalds# 28751da177e4SLinus Torvaldsconfig ISA 28761da177e4SLinus Torvalds bool 28771da177e4SLinus Torvalds 28781da177e4SLinus Torvaldsconfig EISA 28791da177e4SLinus Torvalds bool "EISA support" 28805e83d430SRalf Baechle depends on HW_HAS_EISA 28811da177e4SLinus Torvalds select ISA 2882aa414dffSRalf Baechle select GENERIC_ISA_DMA 28831da177e4SLinus Torvalds ---help--- 28841da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 28851da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 28861da177e4SLinus Torvalds 28871da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 28881da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 28891da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 28901da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 28911da177e4SLinus Torvalds 28921da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 28931da177e4SLinus Torvalds 28941da177e4SLinus Torvalds Otherwise, say N. 28951da177e4SLinus Torvalds 28961da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 28971da177e4SLinus Torvalds 28981da177e4SLinus Torvaldsconfig TC 28991da177e4SLinus Torvalds bool "TURBOchannel support" 29001da177e4SLinus Torvalds depends on MACH_DECSTATION 29011da177e4SLinus Torvalds help 290250a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 290350a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 290450a23e6eSJustin P. Mattock at: 290550a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 290650a23e6eSJustin P. Mattock and: 290750a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 290850a23e6eSJustin P. Mattock Linux driver support status is documented at: 290950a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 29101da177e4SLinus Torvalds 29111da177e4SLinus Torvaldsconfig MMU 29121da177e4SLinus Torvalds bool 29131da177e4SLinus Torvalds default y 29141da177e4SLinus Torvalds 2915d865bea4SRalf Baechleconfig I8253 2916d865bea4SRalf Baechle bool 2917798778b8SRussell King select CLKSRC_I8253 29182d02612fSThomas Gleixner select CLKEVT_I8253 29199726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2920d865bea4SRalf Baechle 2921e05eb3f8SRalf Baechleconfig ZONE_DMA 2922e05eb3f8SRalf Baechle bool 2923e05eb3f8SRalf Baechle 2924cce335aeSRalf Baechleconfig ZONE_DMA32 2925cce335aeSRalf Baechle bool 2926cce335aeSRalf Baechle 29271da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 29281da177e4SLinus Torvalds 2929388b78adSAlexandre Bounineconfig RAPIDIO 293056abde72SAlexandre Bounine tristate "RapidIO support" 2931388b78adSAlexandre Bounine depends on PCI 2932388b78adSAlexandre Bounine default n 2933388b78adSAlexandre Bounine help 2934388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2935388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2936388b78adSAlexandre Bounine 2937388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2938388b78adSAlexandre Bounine 29391da177e4SLinus Torvaldsendmenu 29401da177e4SLinus Torvalds 29411da177e4SLinus Torvaldsmenu "Executable file formats" 29421da177e4SLinus Torvalds 29431da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 29441da177e4SLinus Torvalds 29451da177e4SLinus Torvaldsconfig TRAD_SIGNALS 29461da177e4SLinus Torvalds bool 29471da177e4SLinus Torvalds 29481da177e4SLinus Torvaldsconfig MIPS32_COMPAT 294978aaf956SRalf Baechle bool 29501da177e4SLinus Torvalds 29511da177e4SLinus Torvaldsconfig COMPAT 29521da177e4SLinus Torvalds bool 29531da177e4SLinus Torvalds 295405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 295505e43966SAtsushi Nemoto bool 295605e43966SAtsushi Nemoto 29571da177e4SLinus Torvaldsconfig MIPS32_O32 29581da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 295978aaf956SRalf Baechle depends on 64BIT 296078aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 296178aaf956SRalf Baechle select COMPAT 296278aaf956SRalf Baechle select MIPS32_COMPAT 296378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 29641da177e4SLinus Torvalds help 29651da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 29661da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 29671da177e4SLinus Torvalds existing binaries are in this format. 29681da177e4SLinus Torvalds 29691da177e4SLinus Torvalds If unsure, say Y. 29701da177e4SLinus Torvalds 29711da177e4SLinus Torvaldsconfig MIPS32_N32 29721da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 2973c22eacfeSRalf Baechle depends on 64BIT 297478aaf956SRalf Baechle select COMPAT 297578aaf956SRalf Baechle select MIPS32_COMPAT 297678aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 29771da177e4SLinus Torvalds help 29781da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 29791da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 29801da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 29811da177e4SLinus Torvalds cases. 29821da177e4SLinus Torvalds 29831da177e4SLinus Torvalds If unsure, say N. 29841da177e4SLinus Torvalds 29851da177e4SLinus Torvaldsconfig BINFMT_ELF32 29861da177e4SLinus Torvalds bool 29871da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 29881da177e4SLinus Torvalds 29892116245eSRalf Baechleendmenu 29901da177e4SLinus Torvalds 29912116245eSRalf Baechlemenu "Power management options" 2992952fa954SRodolfo Giometti 2993363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2994363c55caSWu Zhangjin def_bool y 29953f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2996363c55caSWu Zhangjin 2997f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2998f4cb5700SJohannes Berg def_bool y 29993f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3000f4cb5700SJohannes Berg 30012116245eSRalf Baechlesource "kernel/power/Kconfig" 3002952fa954SRodolfo Giometti 30031da177e4SLinus Torvaldsendmenu 30041da177e4SLinus Torvalds 30057a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 30067a998935SViresh Kumar bool 30077a998935SViresh Kumar 30087a998935SViresh Kumarmenu "CPU Power Management" 3009c095ebafSPaul Burton 3010c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 30117a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 30127a998935SViresh Kumarendif 30139726b43aSWu Zhangjin 3014c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3015c095ebafSPaul Burton 3016c095ebafSPaul Burtonendmenu 3017c095ebafSPaul Burton 3018d5950b43SSam Ravnborgsource "net/Kconfig" 3019d5950b43SSam Ravnborg 30201da177e4SLinus Torvaldssource "drivers/Kconfig" 30211da177e4SLinus Torvalds 302298cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 302398cdee0eSRalf Baechle 30241da177e4SLinus Torvaldssource "fs/Kconfig" 30251da177e4SLinus Torvalds 30261da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 30271da177e4SLinus Torvalds 30281da177e4SLinus Torvaldssource "security/Kconfig" 30291da177e4SLinus Torvalds 30301da177e4SLinus Torvaldssource "crypto/Kconfig" 30311da177e4SLinus Torvalds 30321da177e4SLinus Torvaldssource "lib/Kconfig" 30332235a54dSSanjay Lal 30342235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3035