1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvaldsconfig MIPS 31da177e4SLinus Torvalds bool 41da177e4SLinus Torvalds default y 5942fa985SYury Norov select ARCH_32BIT_OFF_T if !64BIT 6ea6a3737SPaul Burton select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT 712597988SMatt Redfearn select ARCH_CLOCKSOURCE_DATA 834c01e41SAlexander Lobakin select ARCH_HAS_FORTIFY_SOURCE 934c01e41SAlexander Lobakin select ARCH_HAS_KCOV 1034c01e41SAlexander Lobakin select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 1112597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 121e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 1312597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 141ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1512597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1625da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 170b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 189035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 1912597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 2012597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 2112597988SMatt Redfearn select CLONE_BACKWARDS 2257eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 2312597988SMatt Redfearn select CPU_PM if CPU_IDLE 2412597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2512597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2612597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2712597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 2824640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 29b962aeb0SPaul Burton select GENERIC_IOMAP 3012597988SMatt Redfearn select GENERIC_IRQ_PROBE 3112597988SMatt Redfearn select GENERIC_IRQ_SHOW 326630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 33740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 34740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 35740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 36740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 37740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 3812597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 3912597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 4012597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 41446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 4212597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 43906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 4412597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 4588547001SJason Wessel select HAVE_ARCH_KGDB 46109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 47109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 48490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 49c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 5045e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 512ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 5236366e36SPaul Burton select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS 5312597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 5412597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 5564575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5612597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5712597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5812597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5912597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 6034c01e41SAlexander Lobakin select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2 6112597988SMatt Redfearn select HAVE_EXIT_THREAD 6267a929e0SChristoph Hellwig select HAVE_FAST_GUP 6312597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 6429c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 6512597988SMatt Redfearn select HAVE_FUNCTION_TRACER 6634c01e41SAlexander Lobakin select HAVE_GCC_PLUGINS 6734c01e41SAlexander Lobakin select HAVE_GENERIC_VDSO 6812597988SMatt Redfearn select HAVE_IDE 69b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 7012597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 7112597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 72c1bf207dSDavid Daney select HAVE_KPROBES 73c1bf207dSDavid Daney select HAVE_KRETPROBES 74c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 759d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 76786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 7742a0bb3fSPetr Mladek select HAVE_NMI 7812597988SMatt Redfearn select HAVE_OPROFILE 7912597988SMatt Redfearn select HAVE_PERF_EVENTS 8008bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 819ea141adSPaul Burton select HAVE_RSEQ 8216c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 83d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 8412597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 85a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 8612597988SMatt Redfearn select IRQ_FORCED_THREADING 876630a8e5SChristoph Hellwig select ISA if EISA 8812597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8934c01e41SAlexander Lobakin select MODULES_USE_ELF_RELA if MODULES && 64BIT 9012597988SMatt Redfearn select PERF_USE_VMALLOC 9105a0a344SArnd Bergmann select RTC_LIB 9212597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 9312597988SMatt Redfearn select VIRT_TO_BUS 941da177e4SLinus Torvalds 951da177e4SLinus Torvaldsmenu "Machine selection" 961da177e4SLinus Torvalds 975e83d430SRalf Baechlechoice 985e83d430SRalf Baechle prompt "System type" 99d41e6858SMatt Redfearn default MIPS_GENERIC 1001da177e4SLinus Torvalds 101eed0eabdSPaul Burtonconfig MIPS_GENERIC 102eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 103eed0eabdSPaul Burton select BOOT_RAW 104eed0eabdSPaul Burton select BUILTIN_DTB 105eed0eabdSPaul Burton select CEVT_R4K 106eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 107eed0eabdSPaul Burton select COMMON_CLK 108eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 10934c01e41SAlexander Lobakin select CPU_MIPSR2_IRQ_VI 110eed0eabdSPaul Burton select CSRC_R4K 111eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 112eb01d42aSChristoph Hellwig select HAVE_PCI 113eed0eabdSPaul Burton select IRQ_MIPS_CPU 1140211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 115eed0eabdSPaul Burton select MIPS_CPU_SCACHE 116eed0eabdSPaul Burton select MIPS_GIC 117eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 118eed0eabdSPaul Burton select NO_EXCEPT_FILL 119eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 120eed0eabdSPaul Burton select SMP_UP if SMP 121a3078e59SMatt Redfearn select SWAP_IO_SPACE 122eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 123eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 124eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 125eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 126eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 127eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 128eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 129eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 130eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 131eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 132eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 133eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 134eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 13534c01e41SAlexander Lobakin select SYS_SUPPORTS_MIPS_CPS 136eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 137eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 138eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 13934c01e41SAlexander Lobakin select UHI_BOOT 1402e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1412e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1422e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1432e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1442e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1452e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 146eed0eabdSPaul Burton select USE_OF 147eed0eabdSPaul Burton help 148eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 149eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 150eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 151eed0eabdSPaul Burton Interface) specification. 152eed0eabdSPaul Burton 15342a4f17dSManuel Laussconfig MIPS_ALCHEMY 154c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 155d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 156f772cdb2SRalf Baechle select CEVT_R4K 157d7ea335cSSteven J. Hill select CSRC_R4K 15867e38cf2SRalf Baechle select IRQ_MIPS_CPU 15988e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 16042a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 16142a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 16242a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 163d30a2b47SLinus Walleij select GPIOLIB 1641b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 16547440229SManuel Lauss select COMMON_CLK 1661da177e4SLinus Torvalds 1677ca5dc14SFlorian Fainelliconfig AR7 1687ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1697ca5dc14SFlorian Fainelli select BOOT_ELF32 1707ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1717ca5dc14SFlorian Fainelli select CEVT_R4K 1727ca5dc14SFlorian Fainelli select CSRC_R4K 17367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1747ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1757ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1767ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1777ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1787ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1797ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 180377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1811b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 182d30a2b47SLinus Walleij select GPIOLIB 1837ca5dc14SFlorian Fainelli select VLYNQ 1848551fb64SYoichi Yuasa select HAVE_CLK 1857ca5dc14SFlorian Fainelli help 1867ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1877ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1887ca5dc14SFlorian Fainelli 18943cc739fSSergey Ryazanovconfig ATH25 19043cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 19143cc739fSSergey Ryazanov select CEVT_R4K 19243cc739fSSergey Ryazanov select CSRC_R4K 19343cc739fSSergey Ryazanov select DMA_NONCOHERENT 19467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1951753e74eSSergey Ryazanov select IRQ_DOMAIN 19643cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 19743cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 19843cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1998aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 20043cc739fSSergey Ryazanov help 20143cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 20243cc739fSSergey Ryazanov 203d4a67d9dSGabor Juhosconfig ATH79 204d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 205ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 206d4a67d9dSGabor Juhos select BOOT_RAW 207d4a67d9dSGabor Juhos select CEVT_R4K 208d4a67d9dSGabor Juhos select CSRC_R4K 209d4a67d9dSGabor Juhos select DMA_NONCOHERENT 210d30a2b47SLinus Walleij select GPIOLIB 211a08227a2SJohn Crispin select PINCTRL 21294638067SGabor Juhos select HAVE_CLK 213411520afSAlban Bedel select COMMON_CLK 2142c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 21567e38cf2SRalf Baechle select IRQ_MIPS_CPU 216d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 217d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 218d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 219d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 220377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 221b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 22203c8c407SAlban Bedel select USE_OF 22353d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 224d4a67d9dSGabor Juhos help 225d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 226d4a67d9dSGabor Juhos 2275f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2285f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 229d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 230d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 231d666cd02SKevin Cernekee select BOOT_RAW 232d666cd02SKevin Cernekee select NO_EXCEPT_FILL 233d666cd02SKevin Cernekee select USE_OF 234d666cd02SKevin Cernekee select CEVT_R4K 235d666cd02SKevin Cernekee select CSRC_R4K 236d666cd02SKevin Cernekee select SYNC_R4K 237d666cd02SKevin Cernekee select COMMON_CLK 238c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 23960b858f2SKevin Cernekee select BCM7038_L1_IRQ 24060b858f2SKevin Cernekee select BCM7120_L2_IRQ 24160b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 24267e38cf2SRalf Baechle select IRQ_MIPS_CPU 24360b858f2SKevin Cernekee select DMA_NONCOHERENT 244d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 24560b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 246d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 247d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 24860b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 24960b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 25060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 251d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 252d666cd02SKevin Cernekee select SWAP_IO_SPACE 25360b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25460b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 25560b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25660b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2574dc4704cSJustin Chen select HARDIRQS_SW_RESEND 258d666cd02SKevin Cernekee help 2595f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2605f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2615f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2625f2d4459SKevin Cernekee must be set appropriately for your board. 263d666cd02SKevin Cernekee 2641c0c13ebSAurelien Jarnoconfig BCM47XX 265c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 266fe08f8c2SHauke Mehrtens select BOOT_RAW 26742f77542SRalf Baechle select CEVT_R4K 268940f6b48SRalf Baechle select CSRC_R4K 2691c0c13ebSAurelien Jarno select DMA_NONCOHERENT 270eb01d42aSChristoph Hellwig select HAVE_PCI 27167e38cf2SRalf Baechle select IRQ_MIPS_CPU 272314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 273dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2741c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2751c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 276377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2776507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 27825e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 279e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 280c949c0bcSRafał Miłecki select GPIOLIB 281c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 282f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2832ab71a02SRafał Miłecki select BCM47XX_SPROM 284dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2851c0c13ebSAurelien Jarno help 2861c0c13ebSAurelien Jarno Support for BCM47XX based boards 2871c0c13ebSAurelien Jarno 288e7300d04SMaxime Bizonconfig BCM63XX 289e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 290ae8de61cSFlorian Fainelli select BOOT_RAW 291e7300d04SMaxime Bizon select CEVT_R4K 292e7300d04SMaxime Bizon select CSRC_R4K 293fc264022SJonas Gorski select SYNC_R4K 294e7300d04SMaxime Bizon select DMA_NONCOHERENT 29567e38cf2SRalf Baechle select IRQ_MIPS_CPU 296e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 297e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 298e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 299e7300d04SMaxime Bizon select SWAP_IO_SPACE 300d30a2b47SLinus Walleij select GPIOLIB 3013e82eeebSYoichi Yuasa select HAVE_CLK 302af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 303c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 304e7300d04SMaxime Bizon help 305e7300d04SMaxime Bizon Support for BCM63XX based boards 306e7300d04SMaxime Bizon 3071da177e4SLinus Torvaldsconfig MIPS_COBALT 3083fa986faSMartin Michlmayr bool "Cobalt Server" 30942f77542SRalf Baechle select CEVT_R4K 310940f6b48SRalf Baechle select CSRC_R4K 3111097c6acSYoichi Yuasa select CEVT_GT641XX 3121da177e4SLinus Torvalds select DMA_NONCOHERENT 313eb01d42aSChristoph Hellwig select FORCE_PCI 314d865bea4SRalf Baechle select I8253 3151da177e4SLinus Torvalds select I8259 31667e38cf2SRalf Baechle select IRQ_MIPS_CPU 317d5ab1a69SYoichi Yuasa select IRQ_GT641XX 318252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3197cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3200a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 321ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3220e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3235e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 324e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3251da177e4SLinus Torvalds 3261da177e4SLinus Torvaldsconfig MACH_DECSTATION 3273fa986faSMartin Michlmayr bool "DECstations" 3281da177e4SLinus Torvalds select BOOT_ELF32 3296457d9fcSYoichi Yuasa select CEVT_DS1287 33081d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3314247417dSYoichi Yuasa select CSRC_IOASIC 33281d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 33320d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 33420d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 33520d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3361da177e4SLinus Torvalds select DMA_NONCOHERENT 337ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 33867e38cf2SRalf Baechle select IRQ_MIPS_CPU 3397cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3407cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 341ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3427d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3441723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3451723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3461723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 347930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3485e83d430SRalf Baechle help 3491da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3501da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3511da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3541da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3551da177e4SLinus Torvalds 3561da177e4SLinus Torvalds DECstation 5000/50 3571da177e4SLinus Torvalds DECstation 5000/150 3581da177e4SLinus Torvalds DECstation 5000/260 3591da177e4SLinus Torvalds DECsystem 5900/260 3601da177e4SLinus Torvalds 3611da177e4SLinus Torvalds otherwise choose R3000. 3621da177e4SLinus Torvalds 3635e83d430SRalf Baechleconfig MACH_JAZZ 3643fa986faSMartin Michlmayr bool "Jazz family of machines" 36539b2d756SThomas Bogendoerfer select ARC_MEMORY 36639b2d756SThomas Bogendoerfer select ARC_PROMLIB 367a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3687a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3690e2794b0SRalf Baechle select FW_ARC 3700e2794b0SRalf Baechle select FW_ARC32 3715e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 37242f77542SRalf Baechle select CEVT_R4K 373940f6b48SRalf Baechle select CSRC_R4K 374e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3755e83d430SRalf Baechle select GENERIC_ISA_DMA 3768a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 37767e38cf2SRalf Baechle select IRQ_MIPS_CPU 378d865bea4SRalf Baechle select I8253 3795e83d430SRalf Baechle select I8259 3805e83d430SRalf Baechle select ISA 3817cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3825e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3837d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3841723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3851da177e4SLinus Torvalds help 3865e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3875e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 388692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3895e83d430SRalf Baechle Olivetti M700-10 workstations. 3905e83d430SRalf Baechle 391de361e8bSPaul Burtonconfig MACH_INGENIC 392de361e8bSPaul Burton bool "Ingenic SoC based machines" 3935ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3945ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 395f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 396b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3975ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 39867e38cf2SRalf Baechle select IRQ_MIPS_CPU 39937b4c3caSPaul Cercueil select PINCTRL 400d30a2b47SLinus Walleij select GPIOLIB 401ff1930c6SPaul Burton select COMMON_CLK 40283bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 40315205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 404ffb1843dSPaul Burton select USE_OF 4055ebabe59SLars-Peter Clausen 406171bb2f1SJohn Crispinconfig LANTIQ 407171bb2f1SJohn Crispin bool "Lantiq based platforms" 408171bb2f1SJohn Crispin select DMA_NONCOHERENT 40967e38cf2SRalf Baechle select IRQ_MIPS_CPU 410171bb2f1SJohn Crispin select CEVT_R4K 411171bb2f1SJohn Crispin select CSRC_R4K 412171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 413171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 414171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 415171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 416377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 417171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 418f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 419171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 420d30a2b47SLinus Walleij select GPIOLIB 421171bb2f1SJohn Crispin select SWAP_IO_SPACE 422171bb2f1SJohn Crispin select BOOT_RAW 423287e3f3fSJohn Crispin select CLKDEV_LOOKUP 424a0392222SJohn Crispin select USE_OF 4253f8c50c9SJohn Crispin select PINCTRL 4263f8c50c9SJohn Crispin select PINCTRL_LANTIQ 427c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 428c530781cSJohn Crispin select RESET_CONTROLLER 429171bb2f1SJohn Crispin 4301f21d2bdSBrian Murphyconfig LASAT 4311f21d2bdSBrian Murphy bool "LASAT Networks platforms" 43242f77542SRalf Baechle select CEVT_R4K 43316f0bbbcSRalf Baechle select CRC32 434940f6b48SRalf Baechle select CSRC_R4K 4351f21d2bdSBrian Murphy select DMA_NONCOHERENT 4361f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 437eb01d42aSChristoph Hellwig select HAVE_PCI 43867e38cf2SRalf Baechle select IRQ_MIPS_CPU 4391f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4401f21d2bdSBrian Murphy select MIPS_NILE4 4411f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4421f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4431f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4441f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4451f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4461f21d2bdSBrian Murphy 44730ad29bbSHuacai Chenconfig MACH_LOONGSON32 448caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 449c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 450ade299d8SYoichi Yuasa help 45130ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 45285749d24SWu Zhangjin 45330ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 45430ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 45530ad29bbSHuacai Chen Sciences (CAS). 456ade299d8SYoichi Yuasa 45771e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 45871e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 459ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 460ca585cf9SKelvin Cheung help 46171e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 462ca585cf9SKelvin Cheung 46371e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 464caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4656fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4666fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4676fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4686fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4696fbde6b4SJiaxun Yang select BOOT_ELF32 4706fbde6b4SJiaxun Yang select BOARD_SCACHE 4716fbde6b4SJiaxun Yang select CSRC_R4K 4726fbde6b4SJiaxun Yang select CEVT_R4K 4736fbde6b4SJiaxun Yang select CPU_HAS_WB 4746fbde6b4SJiaxun Yang select FORCE_PCI 4756fbde6b4SJiaxun Yang select ISA 4766fbde6b4SJiaxun Yang select I8259 4776fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4786fbde6b4SJiaxun Yang select NR_CPUS_DEFAULT_4 4796fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4806fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4816fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4826fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4836fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4846fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4856fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4866fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 4876fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 48871e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 4896fbde6b4SJiaxun Yang select LOONGSON_MC146818 4906fbde6b4SJiaxun Yang select ZONE_DMA32 4916fbde6b4SJiaxun Yang select NUMA 49271e2f4ddSJiaxun Yang help 493caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 494caed1d1bSHuacai Chen 495caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 496caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 497caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 498caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 499ca585cf9SKelvin Cheung 5006a438309SAndrew Brestickerconfig MACH_PISTACHIO 5016a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 5026a438309SAndrew Bresticker select BOOT_ELF32 5036a438309SAndrew Bresticker select BOOT_RAW 5046a438309SAndrew Bresticker select CEVT_R4K 5056a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 5066a438309SAndrew Bresticker select COMMON_CLK 5076a438309SAndrew Bresticker select CSRC_R4K 508645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 509d30a2b47SLinus Walleij select GPIOLIB 51067e38cf2SRalf Baechle select IRQ_MIPS_CPU 5116a438309SAndrew Bresticker select MFD_SYSCON 5126a438309SAndrew Bresticker select MIPS_CPU_SCACHE 5136a438309SAndrew Bresticker select MIPS_GIC 5146a438309SAndrew Bresticker select PINCTRL 5156a438309SAndrew Bresticker select REGULATOR 5166a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 5176a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 5186a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 5196a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 5206a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 52141cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 5226a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 523018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 524018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 5256a438309SAndrew Bresticker select USE_OF 5266a438309SAndrew Bresticker help 5276a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 5286a438309SAndrew Bresticker 5291da177e4SLinus Torvaldsconfig MIPS_MALTA 5303fa986faSMartin Michlmayr bool "MIPS Malta board" 53161ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 532a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5337a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5341da177e4SLinus Torvalds select BOOT_ELF32 535fa71c960SRalf Baechle select BOOT_RAW 536e8823d26SPaul Burton select BUILTIN_DTB 53742f77542SRalf Baechle select CEVT_R4K 538fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 53942b002abSGuenter Roeck select COMMON_CLK 54047bf2b03SMaksym Kokhan select CSRC_R4K 541885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5421da177e4SLinus Torvalds select GENERIC_ISA_DMA 5438a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 544eb01d42aSChristoph Hellwig select HAVE_PCI 545d865bea4SRalf Baechle select I8253 5461da177e4SLinus Torvalds select I8259 54747bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 5485e83d430SRalf Baechle select MIPS_BONITO64 5499318c51aSChris Dearman select MIPS_CPU_SCACHE 55047bf2b03SMaksym Kokhan select MIPS_GIC 551a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5525e83d430SRalf Baechle select MIPS_MSC 55347bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 554ecafe3e9SPaul Burton select SMP_UP if SMP 5551da177e4SLinus Torvalds select SWAP_IO_SPACE 5567cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5577cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 558bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 559c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 560575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5617cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5625d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 563575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5647cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5657cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 566ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 567ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5685e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 569c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5705e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 571424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 57247bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5730365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 574e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 575f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 57647bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5779693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 578f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5791b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 580e8823d26SPaul Burton select USE_OF 581abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5821da177e4SLinus Torvalds help 583f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5841da177e4SLinus Torvalds board. 5851da177e4SLinus Torvalds 5862572f00dSJoshua Hendersonconfig MACH_PIC32 5872572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5882572f00dSJoshua Henderson help 5892572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5902572f00dSJoshua Henderson 5912572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5922572f00dSJoshua Henderson microcontrollers. 5932572f00dSJoshua Henderson 594a83860c2SRalf Baechleconfig NEC_MARKEINS 595a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 596a83860c2SRalf Baechle select SOC_EMMA2RH 597eb01d42aSChristoph Hellwig select HAVE_PCI 598a83860c2SRalf Baechle help 599a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 600ade299d8SYoichi Yuasa 6015e83d430SRalf Baechleconfig MACH_VR41XX 60274142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 60342f77542SRalf Baechle select CEVT_R4K 604940f6b48SRalf Baechle select CSRC_R4K 6057cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 606377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 607d30a2b47SLinus Walleij select GPIOLIB 6085e83d430SRalf Baechle 609edb6310aSDaniel Lairdconfig NXP_STB220 610edb6310aSDaniel Laird bool "NXP STB220 board" 611edb6310aSDaniel Laird select SOC_PNX833X 612edb6310aSDaniel Laird help 613edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 614edb6310aSDaniel Laird 615edb6310aSDaniel Lairdconfig NXP_STB225 616edb6310aSDaniel Laird bool "NXP 225 board" 617edb6310aSDaniel Laird select SOC_PNX833X 618edb6310aSDaniel Laird select SOC_PNX8335 619edb6310aSDaniel Laird help 620edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 621edb6310aSDaniel Laird 6229267a30dSMarc St-Jeanconfig PMC_MSP 6239267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 62439d30c13SAnoop P A select CEVT_R4K 62539d30c13SAnoop P A select CSRC_R4K 6269267a30dSMarc St-Jean select DMA_NONCOHERENT 6279267a30dSMarc St-Jean select SWAP_IO_SPACE 6289267a30dSMarc St-Jean select NO_EXCEPT_FILL 6299267a30dSMarc St-Jean select BOOT_RAW 6309267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 6319267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 6329267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 6339267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 634377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 63567e38cf2SRalf Baechle select IRQ_MIPS_CPU 6369267a30dSMarc St-Jean select SERIAL_8250 6379267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6389296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6399296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6409267a30dSMarc St-Jean help 6419267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6429267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6439267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6449267a30dSMarc St-Jean a variety of MIPS cores. 6459267a30dSMarc St-Jean 646ae2b5bb6SJohn Crispinconfig RALINK 647ae2b5bb6SJohn Crispin bool "Ralink based machines" 648ae2b5bb6SJohn Crispin select CEVT_R4K 649ae2b5bb6SJohn Crispin select CSRC_R4K 650ae2b5bb6SJohn Crispin select BOOT_RAW 651ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 65267e38cf2SRalf Baechle select IRQ_MIPS_CPU 653ae2b5bb6SJohn Crispin select USE_OF 654ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 655ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 656ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 657ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 658377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 659ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 660ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6612a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6622a153f1cSJohn Crispin select RESET_CONTROLLER 663ae2b5bb6SJohn Crispin 6641da177e4SLinus Torvaldsconfig SGI_IP22 6653fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 666c0de00b2SThomas Bogendoerfer select ARC_MEMORY 66739b2d756SThomas Bogendoerfer select ARC_PROMLIB 6680e2794b0SRalf Baechle select FW_ARC 6690e2794b0SRalf Baechle select FW_ARC32 6707a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6711da177e4SLinus Torvalds select BOOT_ELF32 67242f77542SRalf Baechle select CEVT_R4K 673940f6b48SRalf Baechle select CSRC_R4K 674e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6751da177e4SLinus Torvalds select DMA_NONCOHERENT 6766630a8e5SChristoph Hellwig select HAVE_EISA 677d865bea4SRalf Baechle select I8253 67868de4803SThomas Bogendoerfer select I8259 6791da177e4SLinus Torvalds select IP22_CPU_SCACHE 68067e38cf2SRalf Baechle select IRQ_MIPS_CPU 681aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 682e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 683e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 68436e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 685e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 686e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 687e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6881da177e4SLinus Torvalds select SWAP_IO_SPACE 6897cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6907cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 691c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 692ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 693ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6945e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 695930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6961da177e4SLinus Torvalds help 6971da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6981da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6991da177e4SLinus Torvalds that runs on these, say Y here. 7001da177e4SLinus Torvalds 7011da177e4SLinus Torvaldsconfig SGI_IP27 7023fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 70354aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 704397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 7050e2794b0SRalf Baechle select FW_ARC 7060e2794b0SRalf Baechle select FW_ARC64 707e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 7085e83d430SRalf Baechle select BOOT_ELF64 709e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 71036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 711eb01d42aSChristoph Hellwig select HAVE_PCI 71269a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 713e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 714130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 715a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 716a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7177cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 718ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7195e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 720d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7211a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 722930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7231da177e4SLinus Torvalds help 7241da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7251da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7261da177e4SLinus Torvalds here. 7271da177e4SLinus Torvalds 728e2defae5SThomas Bogendoerferconfig SGI_IP28 7297d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 730c0de00b2SThomas Bogendoerfer select ARC_MEMORY 73139b2d756SThomas Bogendoerfer select ARC_PROMLIB 7320e2794b0SRalf Baechle select FW_ARC 7330e2794b0SRalf Baechle select FW_ARC64 7347a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 735e2defae5SThomas Bogendoerfer select BOOT_ELF64 736e2defae5SThomas Bogendoerfer select CEVT_R4K 737e2defae5SThomas Bogendoerfer select CSRC_R4K 738e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 739e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 740e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 74167e38cf2SRalf Baechle select IRQ_MIPS_CPU 7426630a8e5SChristoph Hellwig select HAVE_EISA 743e2defae5SThomas Bogendoerfer select I8253 744e2defae5SThomas Bogendoerfer select I8259 745e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 746e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7475b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 748e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 749e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 750e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 751e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 752e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 753c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 754e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 755e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 756dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 757e2defae5SThomas Bogendoerfer help 758e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 759e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 760e2defae5SThomas Bogendoerfer 7617505576dSThomas Bogendoerferconfig SGI_IP30 7627505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7637505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7647505576dSThomas Bogendoerfer select FW_ARC 7657505576dSThomas Bogendoerfer select FW_ARC64 7667505576dSThomas Bogendoerfer select BOOT_ELF64 7677505576dSThomas Bogendoerfer select CEVT_R4K 7687505576dSThomas Bogendoerfer select CSRC_R4K 7697505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7707505576dSThomas Bogendoerfer select ZONE_DMA32 7717505576dSThomas Bogendoerfer select HAVE_PCI 7727505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7737505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7747505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 7757505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7767505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7777505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7787505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7797505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7807505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7817505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 7827505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7837505576dSThomas Bogendoerfer select ARC_MEMORY 7847505576dSThomas Bogendoerfer help 7857505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 7867505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 7877505576dSThomas Bogendoerfer 7881da177e4SLinus Torvaldsconfig SGI_IP32 789cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 79039b2d756SThomas Bogendoerfer select ARC_MEMORY 79139b2d756SThomas Bogendoerfer select ARC_PROMLIB 79203df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7930e2794b0SRalf Baechle select FW_ARC 7940e2794b0SRalf Baechle select FW_ARC32 7951da177e4SLinus Torvalds select BOOT_ELF32 79642f77542SRalf Baechle select CEVT_R4K 797940f6b48SRalf Baechle select CSRC_R4K 7981da177e4SLinus Torvalds select DMA_NONCOHERENT 799eb01d42aSChristoph Hellwig select HAVE_PCI 80067e38cf2SRalf Baechle select IRQ_MIPS_CPU 8011da177e4SLinus Torvalds select R5000_CPU_SCACHE 8021da177e4SLinus Torvalds select RM7000_CPU_SCACHE 8037cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 8047cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 8057cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 806dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 807ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 8085e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8091da177e4SLinus Torvalds help 8101da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8111da177e4SLinus Torvalds 812ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 813ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8145e83d430SRalf Baechle select BOOT_ELF32 8155e83d430SRalf Baechle select SIBYTE_BCM1120 8165e83d430SRalf Baechle select SWAP_IO_SPACE 8177cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8185e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8195e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8205e83d430SRalf Baechle 821ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 822ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8235e83d430SRalf Baechle select BOOT_ELF32 8245e83d430SRalf Baechle select SIBYTE_BCM1120 8255e83d430SRalf Baechle select SWAP_IO_SPACE 8267cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8275e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8285e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8295e83d430SRalf Baechle 8305e83d430SRalf Baechleconfig SIBYTE_CRHONE 8313fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8325e83d430SRalf Baechle select BOOT_ELF32 8335e83d430SRalf Baechle select SIBYTE_BCM1125 8345e83d430SRalf Baechle select SWAP_IO_SPACE 8357cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8365e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8375e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8385e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8395e83d430SRalf Baechle 840ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 841ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 842ade299d8SYoichi Yuasa select BOOT_ELF32 843ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 844ade299d8SYoichi Yuasa select SWAP_IO_SPACE 845ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 846ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 847ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 848ade299d8SYoichi Yuasa 849ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 850ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 851ade299d8SYoichi Yuasa select BOOT_ELF32 852fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 853ade299d8SYoichi Yuasa select SIBYTE_SB1250 854ade299d8SYoichi Yuasa select SWAP_IO_SPACE 855ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 856ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 857ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 858ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 859cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 860e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 861ade299d8SYoichi Yuasa 862ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 863ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 864ade299d8SYoichi Yuasa select BOOT_ELF32 865fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 866ade299d8SYoichi Yuasa select SIBYTE_SB1250 867ade299d8SYoichi Yuasa select SWAP_IO_SPACE 868ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 869ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 870ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 871ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 872756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 873ade299d8SYoichi Yuasa 874ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 875ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 876ade299d8SYoichi Yuasa select BOOT_ELF32 877ade299d8SYoichi Yuasa select SIBYTE_SB1250 878ade299d8SYoichi Yuasa select SWAP_IO_SPACE 879ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 880ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 881ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 882e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 883ade299d8SYoichi Yuasa 884ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 885ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 886ade299d8SYoichi Yuasa select BOOT_ELF32 887ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 888ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 889ade299d8SYoichi Yuasa select SWAP_IO_SPACE 890ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 891ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 892651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 893ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 894cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 895e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 896ade299d8SYoichi Yuasa 89714b36af4SThomas Bogendoerferconfig SNI_RM 89814b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 89939b2d756SThomas Bogendoerfer select ARC_MEMORY 90039b2d756SThomas Bogendoerfer select ARC_PROMLIB 9010e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 9020e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 903aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 9045e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 905a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 9067a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 9075e83d430SRalf Baechle select BOOT_ELF32 90842f77542SRalf Baechle select CEVT_R4K 909940f6b48SRalf Baechle select CSRC_R4K 910e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9115e83d430SRalf Baechle select DMA_NONCOHERENT 9125e83d430SRalf Baechle select GENERIC_ISA_DMA 9136630a8e5SChristoph Hellwig select HAVE_EISA 9148a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 915eb01d42aSChristoph Hellwig select HAVE_PCI 91667e38cf2SRalf Baechle select IRQ_MIPS_CPU 917d865bea4SRalf Baechle select I8253 9185e83d430SRalf Baechle select I8259 9195e83d430SRalf Baechle select ISA 9204a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9217cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9224a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 923c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9244a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 92536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 926ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9277d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9284a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9295e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9305e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 9311da177e4SLinus Torvalds help 93214b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 93314b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9345e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9355e83d430SRalf Baechle support this machine type. 9361da177e4SLinus Torvalds 937edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 938edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9395e83d430SRalf Baechle 940edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 941edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 94223fbee9dSRalf Baechle 94373b4390fSRalf Baechleconfig MIKROTIK_RB532 94473b4390fSRalf Baechle bool "Mikrotik RB532 boards" 94573b4390fSRalf Baechle select CEVT_R4K 94673b4390fSRalf Baechle select CSRC_R4K 94773b4390fSRalf Baechle select DMA_NONCOHERENT 948eb01d42aSChristoph Hellwig select HAVE_PCI 94967e38cf2SRalf Baechle select IRQ_MIPS_CPU 95073b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 95173b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 95273b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 95373b4390fSRalf Baechle select SWAP_IO_SPACE 95473b4390fSRalf Baechle select BOOT_RAW 955d30a2b47SLinus Walleij select GPIOLIB 956930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 95773b4390fSRalf Baechle help 95873b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 95973b4390fSRalf Baechle based on the IDT RC32434 SoC. 96073b4390fSRalf Baechle 9619ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9629ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 963a86c7f72SDavid Daney select CEVT_R4K 964ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9651753d50cSChristoph Hellwig select HAVE_RAPIDIO 966d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 967a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 968a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 969f65aad41SRalf Baechle select EDAC_SUPPORT 970b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 97173569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 97273569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 973a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9745e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 975eb01d42aSChristoph Hellwig select HAVE_PCI 976f00e001eSDavid Daney select ZONE_DMA32 977465aaed0SDavid Daney select HOLES_IN_ZONE 978d30a2b47SLinus Walleij select GPIOLIB 9796e511163SDavid Daney select USE_OF 9806e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9816e511163SDavid Daney select SYS_SUPPORTS_SMP 9827820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9837820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 984e326479fSAndrew Bresticker select BUILTIN_DTB 9858c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 98609230cbcSChristoph Hellwig select SWIOTLB 9873ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 988a86c7f72SDavid Daney help 989a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 990a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 991a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 992a86c7f72SDavid Daney Some of the supported boards are: 993a86c7f72SDavid Daney EBT3000 994a86c7f72SDavid Daney EBH3000 995a86c7f72SDavid Daney EBH3100 996a86c7f72SDavid Daney Thunder 997a86c7f72SDavid Daney Kodama 998a86c7f72SDavid Daney Hikari 999a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 1000a86c7f72SDavid Daney 10017f058e85SJayachandran Cconfig NLM_XLR_BOARD 10027f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 10037f058e85SJayachandran C select BOOT_ELF32 10047f058e85SJayachandran C select NLM_COMMON 10057f058e85SJayachandran C select SYS_HAS_CPU_XLR 10067f058e85SJayachandran C select SYS_SUPPORTS_SMP 1007eb01d42aSChristoph Hellwig select HAVE_PCI 10087f058e85SJayachandran C select SWAP_IO_SPACE 10097f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10107f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1011d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 10127f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10137f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 10147f058e85SJayachandran C select NR_CPUS_DEFAULT_32 10157f058e85SJayachandran C select CEVT_R4K 10167f058e85SJayachandran C select CSRC_R4K 101767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1018b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10197f058e85SJayachandran C select SYNC_R4K 10207f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 10218f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10228f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10237f058e85SJayachandran C help 10247f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 10257f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 10267f058e85SJayachandran C 10271c773ea4SJayachandran Cconfig NLM_XLP_BOARD 10281c773ea4SJayachandran C bool "Netlogic XLP based systems" 10291c773ea4SJayachandran C select BOOT_ELF32 10301c773ea4SJayachandran C select NLM_COMMON 10311c773ea4SJayachandran C select SYS_HAS_CPU_XLP 10321c773ea4SJayachandran C select SYS_SUPPORTS_SMP 1033eb01d42aSChristoph Hellwig select HAVE_PCI 10341c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10351c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1036d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1037d30a2b47SLinus Walleij select GPIOLIB 10381c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10391c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10401c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10411c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10421c773ea4SJayachandran C select CEVT_R4K 10431c773ea4SJayachandran C select CSRC_R4K 104467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1045b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10461c773ea4SJayachandran C select SYNC_R4K 10471c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10482f6528e1SJayachandran C select USE_OF 10498f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10508f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10511c773ea4SJayachandran C help 10521c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10531c773ea4SJayachandran C Say Y here if you have a XLP based board. 10541c773ea4SJayachandran C 10559bc463beSDavid Daneyconfig MIPS_PARAVIRT 10569bc463beSDavid Daney bool "Para-Virtualized guest system" 10579bc463beSDavid Daney select CEVT_R4K 10589bc463beSDavid Daney select CSRC_R4K 10599bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10609bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10619bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10629bc463beSDavid Daney select SYS_SUPPORTS_SMP 10639bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10649bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10659bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10669bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10679bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1068eb01d42aSChristoph Hellwig select HAVE_PCI 10699bc463beSDavid Daney select SWAP_IO_SPACE 10709bc463beSDavid Daney help 10719bc463beSDavid Daney This option supports guest running under ???? 10729bc463beSDavid Daney 10731da177e4SLinus Torvaldsendchoice 10741da177e4SLinus Torvalds 1075e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10763b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1077d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1078a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1079e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10808945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1081eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10825e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10835ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10848ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10851f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10862572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1087af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10880f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1089ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 109029c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 109138b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 109222b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10935e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1094a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 109571e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 109630ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 109730ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10987f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1099ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 110038b18f72SRalf Baechle 11015e83d430SRalf Baechleendmenu 11025e83d430SRalf Baechle 11033c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 11043c9ee7efSAkinobu Mita bool 11053c9ee7efSAkinobu Mita default y 11063c9ee7efSAkinobu Mita 11071da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 11081da177e4SLinus Torvalds bool 11091da177e4SLinus Torvalds default y 11101da177e4SLinus Torvalds 1111ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 11121cc89038SAtsushi Nemoto bool 11131cc89038SAtsushi Nemoto default y 11141cc89038SAtsushi Nemoto 11151da177e4SLinus Torvalds# 11161da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 11171da177e4SLinus Torvalds# 11180e2794b0SRalf Baechleconfig FW_ARC 11191da177e4SLinus Torvalds bool 11201da177e4SLinus Torvalds 112161ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 112261ed242dSRalf Baechle bool 112361ed242dSRalf Baechle 11249267a30dSMarc St-Jeanconfig BOOT_RAW 11259267a30dSMarc St-Jean bool 11269267a30dSMarc St-Jean 1127217dd11eSRalf Baechleconfig CEVT_BCM1480 1128217dd11eSRalf Baechle bool 1129217dd11eSRalf Baechle 11306457d9fcSYoichi Yuasaconfig CEVT_DS1287 11316457d9fcSYoichi Yuasa bool 11326457d9fcSYoichi Yuasa 11331097c6acSYoichi Yuasaconfig CEVT_GT641XX 11341097c6acSYoichi Yuasa bool 11351097c6acSYoichi Yuasa 113642f77542SRalf Baechleconfig CEVT_R4K 113742f77542SRalf Baechle bool 113842f77542SRalf Baechle 1139217dd11eSRalf Baechleconfig CEVT_SB1250 1140217dd11eSRalf Baechle bool 1141217dd11eSRalf Baechle 1142229f773eSAtsushi Nemotoconfig CEVT_TXX9 1143229f773eSAtsushi Nemoto bool 1144229f773eSAtsushi Nemoto 1145217dd11eSRalf Baechleconfig CSRC_BCM1480 1146217dd11eSRalf Baechle bool 1147217dd11eSRalf Baechle 11484247417dSYoichi Yuasaconfig CSRC_IOASIC 11494247417dSYoichi Yuasa bool 11504247417dSYoichi Yuasa 1151940f6b48SRalf Baechleconfig CSRC_R4K 1152940f6b48SRalf Baechle bool 1153940f6b48SRalf Baechle 1154217dd11eSRalf Baechleconfig CSRC_SB1250 1155217dd11eSRalf Baechle bool 1156217dd11eSRalf Baechle 1157a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1158a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1159a7f4df4eSAlex Smith 1160a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1161d30a2b47SLinus Walleij select GPIOLIB 1162a9aec7feSAtsushi Nemoto bool 1163a9aec7feSAtsushi Nemoto 11640e2794b0SRalf Baechleconfig FW_CFE 1165df78b5c8SAurelien Jarno bool 1166df78b5c8SAurelien Jarno 116740e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 116840e084a5SRalf Baechle bool 116940e084a5SRalf Baechle 1170885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1171f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1172885014bcSFelix Fietkau select DMA_NONCOHERENT 1173885014bcSFelix Fietkau bool 1174885014bcSFelix Fietkau 117520d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 117620d33064SPaul Burton bool 1177347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11785748e1b3SChristoph Hellwig select DMA_NONCOHERENT 117920d33064SPaul Burton 11801da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11811da177e4SLinus Torvalds bool 1182db91427bSChristoph Hellwig # 1183db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1184db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1185db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1186db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1187db91427bSChristoph Hellwig # significant advantages. 1188db91427bSChristoph Hellwig # 1189419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1190f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11912ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 119234dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 1193f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 119434dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 11954ce588cdSRalf Baechle 119636a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11971da177e4SLinus Torvalds bool 11981da177e4SLinus Torvalds 11991b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1200dbb74540SRalf Baechle bool 1201dbb74540SRalf Baechle 12021da177e4SLinus Torvaldsconfig MIPS_BONITO64 12031da177e4SLinus Torvalds bool 12041da177e4SLinus Torvalds 12051da177e4SLinus Torvaldsconfig MIPS_MSC 12061da177e4SLinus Torvalds bool 12071da177e4SLinus Torvalds 12081f21d2bdSBrian Murphyconfig MIPS_NILE4 12091f21d2bdSBrian Murphy bool 12101f21d2bdSBrian Murphy 121139b8d525SRalf Baechleconfig SYNC_R4K 121239b8d525SRalf Baechle bool 121339b8d525SRalf Baechle 1214487d70d0SGabor Juhosconfig MIPS_MACHINE 1215487d70d0SGabor Juhos def_bool n 1216487d70d0SGabor Juhos 1217ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1218d388d685SMaciej W. Rozycki def_bool n 1219d388d685SMaciej W. Rozycki 12204e0748f5SMarkos Chandrasconfig GENERIC_CSUM 122118d84e2eSAlexander Lobakin def_bool CPU_NO_LOAD_STORE_LR 12224e0748f5SMarkos Chandras 12238313da30SRalf Baechleconfig GENERIC_ISA_DMA 12248313da30SRalf Baechle bool 12258313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1226a35bee8aSNamhyung Kim select ISA_DMA_API 12278313da30SRalf Baechle 1228aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1229aa414dffSRalf Baechle bool 12308313da30SRalf Baechle select GENERIC_ISA_DMA 1231aa414dffSRalf Baechle 1232a35bee8aSNamhyung Kimconfig ISA_DMA_API 1233a35bee8aSNamhyung Kim bool 1234a35bee8aSNamhyung Kim 1235465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1236465aaed0SDavid Daney bool 1237465aaed0SDavid Daney 12388c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 12398c530ea3SMatt Redfearn bool 12408c530ea3SMatt Redfearn help 12418c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 12428c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 12438c530ea3SMatt Redfearn to allow access to command line and entropy sources. 12448c530ea3SMatt Redfearn 1245f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1246f381bf6dSDavid Daney def_bool y 1247f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1248f381bf6dSDavid Daney 1249f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1250f381bf6dSDavid Daney def_bool y 1251f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1252f381bf6dSDavid Daney 1253f381bf6dSDavid Daney 12545e83d430SRalf Baechle# 12556b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12565e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12575e83d430SRalf Baechle# choice statement should be more obvious to the user. 12585e83d430SRalf Baechle# 12595e83d430SRalf Baechlechoice 12606b2aac42SMasanari Iida prompt "Endianness selection" 12611da177e4SLinus Torvalds help 12621da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12635e83d430SRalf Baechle byte order. These modes require different kernels and a different 12643cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12655e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12663dde6ad8SDavid Sterba one or the other endianness. 12675e83d430SRalf Baechle 12685e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12695e83d430SRalf Baechle bool "Big endian" 12705e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12715e83d430SRalf Baechle 12725e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12735e83d430SRalf Baechle bool "Little endian" 12745e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12755e83d430SRalf Baechle 12765e83d430SRalf Baechleendchoice 12775e83d430SRalf Baechle 127822b0763aSDavid Daneyconfig EXPORT_UASM 127922b0763aSDavid Daney bool 128022b0763aSDavid Daney 12812116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12822116245eSRalf Baechle bool 12832116245eSRalf Baechle 12845e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12855e83d430SRalf Baechle bool 12865e83d430SRalf Baechle 12875e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12885e83d430SRalf Baechle bool 12891da177e4SLinus Torvalds 12909cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12919cffd154SDavid Daney bool 129245e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12939cffd154SDavid Daney default y 12949cffd154SDavid Daney 1295aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1296aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1297aa1762f4SDavid Daney 12981da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12991da177e4SLinus Torvalds bool 13001da177e4SLinus Torvalds 13019267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 13029267a30dSMarc St-Jean bool 13039267a30dSMarc St-Jean 13049267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 13059267a30dSMarc St-Jean bool 13069267a30dSMarc St-Jean 13078420fd00SAtsushi Nemotoconfig IRQ_TXX9 13088420fd00SAtsushi Nemoto bool 13098420fd00SAtsushi Nemoto 1310d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1311d5ab1a69SYoichi Yuasa bool 1312d5ab1a69SYoichi Yuasa 1313252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 13141da177e4SLinus Torvalds bool 13151da177e4SLinus Torvalds 1316a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1317a57140e9SThomas Bogendoerfer bool 1318a57140e9SThomas Bogendoerfer 13199267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 13209267a30dSMarc St-Jean bool 13219267a30dSMarc St-Jean 1322a83860c2SRalf Baechleconfig SOC_EMMA2RH 1323a83860c2SRalf Baechle bool 1324a83860c2SRalf Baechle select CEVT_R4K 1325a83860c2SRalf Baechle select CSRC_R4K 1326a83860c2SRalf Baechle select DMA_NONCOHERENT 132767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1328a83860c2SRalf Baechle select SWAP_IO_SPACE 1329a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1330a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1331a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1332a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1333a83860c2SRalf Baechle 1334edb6310aSDaniel Lairdconfig SOC_PNX833X 1335edb6310aSDaniel Laird bool 1336edb6310aSDaniel Laird select CEVT_R4K 1337edb6310aSDaniel Laird select CSRC_R4K 133867e38cf2SRalf Baechle select IRQ_MIPS_CPU 1339edb6310aSDaniel Laird select DMA_NONCOHERENT 1340edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1341edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1342edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1343edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1344377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1345edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1346edb6310aSDaniel Laird 1347edb6310aSDaniel Lairdconfig SOC_PNX8335 1348edb6310aSDaniel Laird bool 1349edb6310aSDaniel Laird select SOC_PNX833X 1350edb6310aSDaniel Laird 1351a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1352a7e07b1aSMarkos Chandras bool 1353a7e07b1aSMarkos Chandras 13541da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13551da177e4SLinus Torvalds bool 13561da177e4SLinus Torvalds 1357e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1358e2defae5SThomas Bogendoerfer bool 1359e2defae5SThomas Bogendoerfer 13605b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13615b438c44SThomas Bogendoerfer bool 13625b438c44SThomas Bogendoerfer 1363e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1364e2defae5SThomas Bogendoerfer bool 1365e2defae5SThomas Bogendoerfer 1366e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1367e2defae5SThomas Bogendoerfer bool 1368e2defae5SThomas Bogendoerfer 1369e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1370e2defae5SThomas Bogendoerfer bool 1371e2defae5SThomas Bogendoerfer 1372e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1373e2defae5SThomas Bogendoerfer bool 1374e2defae5SThomas Bogendoerfer 1375e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1376e2defae5SThomas Bogendoerfer bool 1377e2defae5SThomas Bogendoerfer 13780e2794b0SRalf Baechleconfig FW_ARC32 13795e83d430SRalf Baechle bool 13805e83d430SRalf Baechle 1381aaa9fad3SPaul Bolleconfig FW_SNIPROM 1382231a35d3SThomas Bogendoerfer bool 1383231a35d3SThomas Bogendoerfer 13841da177e4SLinus Torvaldsconfig BOOT_ELF32 13851da177e4SLinus Torvalds bool 13861da177e4SLinus Torvalds 1387930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1388930beb5aSFlorian Fainelli bool 1389930beb5aSFlorian Fainelli 1390930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1391930beb5aSFlorian Fainelli bool 1392930beb5aSFlorian Fainelli 1393930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1394930beb5aSFlorian Fainelli bool 1395930beb5aSFlorian Fainelli 1396930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1397930beb5aSFlorian Fainelli bool 1398930beb5aSFlorian Fainelli 13991da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 14001da177e4SLinus Torvalds int 1401a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 14025432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 14035432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 14045432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 14051da177e4SLinus Torvalds default "5" 14061da177e4SLinus Torvalds 14071da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 14081da177e4SLinus Torvalds bool 14091da177e4SLinus Torvalds 1410e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1411e9422427SThomas Bogendoerfer bool 1412e9422427SThomas Bogendoerfer 14131da177e4SLinus Torvaldsconfig ARC_CONSOLE 14141da177e4SLinus Torvalds bool "ARC console support" 1415e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 14161da177e4SLinus Torvalds 14171da177e4SLinus Torvaldsconfig ARC_MEMORY 14181da177e4SLinus Torvalds bool 14191da177e4SLinus Torvalds 14201da177e4SLinus Torvaldsconfig ARC_PROMLIB 14211da177e4SLinus Torvalds bool 14221da177e4SLinus Torvalds 14230e2794b0SRalf Baechleconfig FW_ARC64 14241da177e4SLinus Torvalds bool 14251da177e4SLinus Torvalds 14261da177e4SLinus Torvaldsconfig BOOT_ELF64 14271da177e4SLinus Torvalds bool 14281da177e4SLinus Torvalds 14291da177e4SLinus Torvaldsmenu "CPU selection" 14301da177e4SLinus Torvalds 14311da177e4SLinus Torvaldschoice 14321da177e4SLinus Torvalds prompt "CPU type" 14331da177e4SLinus Torvalds default CPU_R4X00 14341da177e4SLinus Torvalds 1435268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1436caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1437268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1438d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1439*51522217SJiaxun Yang select CPU_MIPSR2 1440*51522217SJiaxun Yang select CPU_HAS_PREFETCH 14410e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 14420e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 14430e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 14447507445bSHuacai Chen select CPU_SUPPORTS_MSA 1445*51522217SJiaxun Yang select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 1446*51522217SJiaxun Yang select CPU_MIPSR2_IRQ_VI 14470e476d91SHuacai Chen select WEAK_ORDERING 14480e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 14497507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1450b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 145117c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1452d30a2b47SLinus Walleij select GPIOLIB 145309230cbcSChristoph Hellwig select SWIOTLB 14540e476d91SHuacai Chen help 1455caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1456caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1457caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1458caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1459caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 14600e476d91SHuacai Chen 1461caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1462caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 14631e820da3SHuacai Chen default n 1464268a2d60SJiaxun Yang depends on CPU_LOONGSON64 14651e820da3SHuacai Chen help 1466caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 14671e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1468268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14691e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14701e820da3SHuacai Chen Fast TLB refill support, etc. 14711e820da3SHuacai Chen 14721e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14731e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14741e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1475caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 14761e820da3SHuacai Chen 1477e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1478caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1479e02e07e3SHuacai Chen default y if SMP 1480268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1481e02e07e3SHuacai Chen help 1482caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1483e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1484e02e07e3SHuacai Chen 1485caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1486e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1487e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1488e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1489e02e07e3SHuacai Chen 1490e02e07e3SHuacai Chen If unsure, please say Y. 1491e02e07e3SHuacai Chen 14923702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14933702bba5SWu Zhangjin bool "Loongson 2E" 14943702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1495268a2d60SJiaxun Yang select CPU_LOONGSON2EF 14962a21c730SFuxin Zhang help 14972a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14982a21c730SFuxin Zhang with many extensions. 14992a21c730SFuxin Zhang 150025985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 15016f7a251aSWu Zhangjin bonito64. 15026f7a251aSWu Zhangjin 15036f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 15046f7a251aSWu Zhangjin bool "Loongson 2F" 15056f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1506268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1507d30a2b47SLinus Walleij select GPIOLIB 15086f7a251aSWu Zhangjin help 15096f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 15106f7a251aSWu Zhangjin with many extensions. 15116f7a251aSWu Zhangjin 15126f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 15136f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 15146f7a251aSWu Zhangjin Loongson2E. 15156f7a251aSWu Zhangjin 1516ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1517ca585cf9SKelvin Cheung bool "Loongson 1B" 1518ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1519b2afb64cSHuacai Chen select CPU_LOONGSON32 15209ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1521ca585cf9SKelvin Cheung help 1522ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1523968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1524968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1525ca585cf9SKelvin Cheung 152612e3280bSYang Lingconfig CPU_LOONGSON1C 152712e3280bSYang Ling bool "Loongson 1C" 152812e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1529b2afb64cSHuacai Chen select CPU_LOONGSON32 153012e3280bSYang Ling select LEDS_GPIO_REGISTER 153112e3280bSYang Ling help 153212e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1533968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1534968dc5a0S谢致邦 (XIE Zhibang) instruction set. 153512e3280bSYang Ling 15366e760c8dSRalf Baechleconfig CPU_MIPS32_R1 15376e760c8dSRalf Baechle bool "MIPS32 Release 1" 15387cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 15396e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1540797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1541ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15426e760c8dSRalf Baechle help 15435e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 15441e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15451e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15461e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15471e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15481e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 15491e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 15501e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 15511e5f1caaSRalf Baechle performance. 15521e5f1caaSRalf Baechle 15531e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15541e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15557cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15561e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1557797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1558ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1559a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15602235a54dSSanjay Lal select HAVE_KVM 15611e5f1caaSRalf Baechle help 15625e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15636e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15646e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15656e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15666e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15671da177e4SLinus Torvalds 15687fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1569674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15707fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15717fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 157218d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 15737fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15747fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15757fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15767fd08ca5SLeonid Yegoshin select HAVE_KVM 15777fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15787fd08ca5SLeonid Yegoshin help 15797fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15807fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15817fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15827fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15837fd08ca5SLeonid Yegoshin 15846e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15856e760c8dSRalf Baechle bool "MIPS64 Release 1" 15867cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1587797798c1SRalf Baechle select CPU_HAS_PREFETCH 1588ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1589ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1590ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15919cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15926e760c8dSRalf Baechle help 15936e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15946e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15956e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15966e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15976e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15981e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15991e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 16001e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 16011e5f1caaSRalf Baechle performance. 16021e5f1caaSRalf Baechle 16031e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 16041e5f1caaSRalf Baechle bool "MIPS64 Release 2" 16057cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1606797798c1SRalf Baechle select CPU_HAS_PREFETCH 16071e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16081e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1609ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16109cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1611a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 161240a2df49SJames Hogan select HAVE_KVM 16131e5f1caaSRalf Baechle help 16141e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 16151e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16161e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16171e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 16181e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16191da177e4SLinus Torvalds 16207fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1621674d10e2SMarkos Chandras bool "MIPS64 Release 6" 16227fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 16237fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 162418d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 16257fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 16267fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 16277fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1628afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 16297fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16302e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 163140a2df49SJames Hogan select HAVE_KVM 16327fd08ca5SLeonid Yegoshin help 16337fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16347fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16357fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16367fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16377fd08ca5SLeonid Yegoshin 16381da177e4SLinus Torvaldsconfig CPU_R3000 16391da177e4SLinus Torvalds bool "R3000" 16407cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1641f7062ddbSRalf Baechle select CPU_HAS_WB 164254746829SPaul Burton select CPU_R3K_TLB 1643ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1644797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16451da177e4SLinus Torvalds help 16461da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16471da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16481da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16491da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16501da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16511da177e4SLinus Torvalds try to recompile with R3000. 16521da177e4SLinus Torvalds 16531da177e4SLinus Torvaldsconfig CPU_TX39XX 16541da177e4SLinus Torvalds bool "R39XX" 16557cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1656ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 165754746829SPaul Burton select CPU_R3K_TLB 16581da177e4SLinus Torvalds 16591da177e4SLinus Torvaldsconfig CPU_VR41XX 16601da177e4SLinus Torvalds bool "R41xx" 16617cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1662ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1663ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16641da177e4SLinus Torvalds help 16655e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16661da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16671da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16681da177e4SLinus Torvalds processor or vice versa. 16691da177e4SLinus Torvalds 16701da177e4SLinus Torvaldsconfig CPU_R4X00 16711da177e4SLinus Torvalds bool "R4x00" 16727cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1673ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1674ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1675970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16761da177e4SLinus Torvalds help 16771da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16781da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16791da177e4SLinus Torvalds 16801da177e4SLinus Torvaldsconfig CPU_TX49XX 16811da177e4SLinus Torvalds bool "R49XX" 16827cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1683de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1684ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1685ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1686970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16871da177e4SLinus Torvalds 16881da177e4SLinus Torvaldsconfig CPU_R5000 16891da177e4SLinus Torvalds bool "R5000" 16907cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1691ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1692ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1693970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16941da177e4SLinus Torvalds help 16951da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16961da177e4SLinus Torvalds 1697542c1020SShinya Kuribayashiconfig CPU_R5500 1698542c1020SShinya Kuribayashi bool "R5500" 1699542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1700542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1701542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 17029cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1703542c1020SShinya Kuribayashi help 1704542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1705542c1020SShinya Kuribayashi instruction set. 1706542c1020SShinya Kuribayashi 17071da177e4SLinus Torvaldsconfig CPU_NEVADA 17081da177e4SLinus Torvalds bool "RM52xx" 17097cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1710ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1711ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1712970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17131da177e4SLinus Torvalds help 17141da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 17151da177e4SLinus Torvalds 17161da177e4SLinus Torvaldsconfig CPU_R10000 17171da177e4SLinus Torvalds bool "R10000" 17187cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 17195e83d430SRalf Baechle select CPU_HAS_PREFETCH 1720ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1721ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1722797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1723970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17241da177e4SLinus Torvalds help 17251da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17261da177e4SLinus Torvalds 17271da177e4SLinus Torvaldsconfig CPU_RM7000 17281da177e4SLinus Torvalds bool "RM7000" 17297cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17305e83d430SRalf Baechle select CPU_HAS_PREFETCH 1731ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1732ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1733797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1734970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17351da177e4SLinus Torvalds 17361da177e4SLinus Torvaldsconfig CPU_SB1 17371da177e4SLinus Torvalds bool "SB1" 17387cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1739ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1740ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1741797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1742970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17430004a9dfSRalf Baechle select WEAK_ORDERING 17441da177e4SLinus Torvalds 1745a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1746a86c7f72SDavid Daney bool "Cavium Octeon processor" 17475e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1748a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1749a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1750a86c7f72SDavid Daney select WEAK_ORDERING 1751a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17529cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1753df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1754df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1755930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17560ae3abcdSJames Hogan select HAVE_KVM 1757a86c7f72SDavid Daney help 1758a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1759a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1760a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1761a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1762a86c7f72SDavid Daney 1763cd746249SJonas Gorskiconfig CPU_BMIPS 1764cd746249SJonas Gorski bool "Broadcom BMIPS" 1765cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1766cd746249SJonas Gorski select CPU_MIPS32 1767fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1768cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1769cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1770cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1771cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1772cd746249SJonas Gorski select DMA_NONCOHERENT 177367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1774cd746249SJonas Gorski select SWAP_IO_SPACE 1775cd746249SJonas Gorski select WEAK_ORDERING 1776c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 177769aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1778a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1779a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1780c1c0c461SKevin Cernekee help 1781fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1782c1c0c461SKevin Cernekee 17837f058e85SJayachandran Cconfig CPU_XLR 17847f058e85SJayachandran C bool "Netlogic XLR SoC" 17857f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 17867f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17877f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17887f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1789970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17907f058e85SJayachandran C select WEAK_ORDERING 17917f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17927f058e85SJayachandran C help 17937f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17941c773ea4SJayachandran C 17951c773ea4SJayachandran Cconfig CPU_XLP 17961c773ea4SJayachandran C bool "Netlogic XLP SoC" 17971c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17981c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17991c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18001c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 18011c773ea4SJayachandran C select WEAK_ORDERING 18021c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18031c773ea4SJayachandran C select CPU_HAS_PREFETCH 1804d6504846SJayachandran C select CPU_MIPSR2 1805ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 18062db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 18071c773ea4SJayachandran C help 18081c773ea4SJayachandran C Netlogic Microsystems XLP processors. 18091da177e4SLinus Torvaldsendchoice 18101da177e4SLinus Torvalds 1811a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1812a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1813a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 18147fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1815a6e18781SLeonid Yegoshin help 1816a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1817a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1818a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1819a6e18781SLeonid Yegoshin 1820a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1821a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1822a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1823a6e18781SLeonid Yegoshin select EVA 1824a6e18781SLeonid Yegoshin default y 1825a6e18781SLeonid Yegoshin help 1826a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1827a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1828a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1829a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1830a6e18781SLeonid Yegoshin 1831c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1832c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1833c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1834c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1835c5b36783SSteven J. Hill help 1836c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1837c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1838c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1839c5b36783SSteven J. Hill 1840c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1841c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1842c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1843c5b36783SSteven J. Hill depends on !EVA 1844c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1845c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1846c5b36783SSteven J. Hill select XPA 1847c5b36783SSteven J. Hill select HIGHMEM 1848d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1849c5b36783SSteven J. Hill default n 1850c5b36783SSteven J. Hill help 1851c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1852c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1853c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1854c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1855c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1856c5b36783SSteven J. Hill If unsure, say 'N' here. 1857c5b36783SSteven J. Hill 1858622844bfSWu Zhangjinif CPU_LOONGSON2F 1859622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1860622844bfSWu Zhangjin bool 1861622844bfSWu Zhangjin 1862622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1863622844bfSWu Zhangjin bool 1864622844bfSWu Zhangjin 1865622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1866622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1867622844bfSWu Zhangjin default y 1868622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1869622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1870622844bfSWu Zhangjin help 1871622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1872622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1873622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1874622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1875622844bfSWu Zhangjin 1876622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1877622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1878622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1879622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1880622844bfSWu Zhangjin systems. 1881622844bfSWu Zhangjin 1882622844bfSWu Zhangjin If unsure, please say Y. 1883622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1884622844bfSWu Zhangjin 18851b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18861b93b3c3SWu Zhangjin bool 18871b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18881b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 188931c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18901b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1891fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18924e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18931b93b3c3SWu Zhangjin 18941b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18951b93b3c3SWu Zhangjin bool 18961b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18971b93b3c3SWu Zhangjin 1898dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1899dbb98314SAlban Bedel bool 1900dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1901dbb98314SAlban Bedel 1902268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 19033702bba5SWu Zhangjin bool 19043702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 19053702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 19063702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1907970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1908e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 19093702bba5SWu Zhangjin 1910b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1911ca585cf9SKelvin Cheung bool 1912ca585cf9SKelvin Cheung select CPU_MIPS32 19137e280f6bSJiaxun Yang select CPU_MIPSR2 1914ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1915ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1916ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1917f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1918ca585cf9SKelvin Cheung 1919fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 192004fa8bf7SJonas Gorski select SMP_UP if SMP 19211bbb6c1bSKevin Cernekee bool 1922cd746249SJonas Gorski 1923cd746249SJonas Gorskiconfig CPU_BMIPS4350 1924cd746249SJonas Gorski bool 1925cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1926cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1927cd746249SJonas Gorski 1928cd746249SJonas Gorskiconfig CPU_BMIPS4380 1929cd746249SJonas Gorski bool 1930bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1931cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1932cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1933b4720809SFlorian Fainelli select CPU_HAS_RIXI 1934cd746249SJonas Gorski 1935cd746249SJonas Gorskiconfig CPU_BMIPS5000 1936cd746249SJonas Gorski bool 1937cd746249SJonas Gorski select MIPS_CPU_SCACHE 1938bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1939cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1940cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1941b4720809SFlorian Fainelli select CPU_HAS_RIXI 19421bbb6c1bSKevin Cernekee 1943268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19440e476d91SHuacai Chen bool 19450e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1946b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19470e476d91SHuacai Chen 19483702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19492a21c730SFuxin Zhang bool 19502a21c730SFuxin Zhang 19516f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19526f7a251aSWu Zhangjin bool 195355045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 195455045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 19556f7a251aSWu Zhangjin 1956ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1957ca585cf9SKelvin Cheung bool 1958ca585cf9SKelvin Cheung 195912e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 196012e3280bSYang Ling bool 196112e3280bSYang Ling 19627cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19637cf8053bSRalf Baechle bool 19647cf8053bSRalf Baechle 19657cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19667cf8053bSRalf Baechle bool 19677cf8053bSRalf Baechle 1968a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1969a6e18781SLeonid Yegoshin bool 1970a6e18781SLeonid Yegoshin 1971c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1972c5b36783SSteven J. Hill bool 19739ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1974c5b36783SSteven J. Hill 19757fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19767fd08ca5SLeonid Yegoshin bool 19779ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19787fd08ca5SLeonid Yegoshin 19797cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19807cf8053bSRalf Baechle bool 19817cf8053bSRalf Baechle 19827cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19837cf8053bSRalf Baechle bool 19847cf8053bSRalf Baechle 19857fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19867fd08ca5SLeonid Yegoshin bool 19879ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19887fd08ca5SLeonid Yegoshin 19897cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19907cf8053bSRalf Baechle bool 19917cf8053bSRalf Baechle 19927cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19937cf8053bSRalf Baechle bool 19947cf8053bSRalf Baechle 19957cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19967cf8053bSRalf Baechle bool 19977cf8053bSRalf Baechle 19987cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19997cf8053bSRalf Baechle bool 20007cf8053bSRalf Baechle 20017cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 20027cf8053bSRalf Baechle bool 20037cf8053bSRalf Baechle 20047cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 20057cf8053bSRalf Baechle bool 20067cf8053bSRalf Baechle 2007542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 2008542c1020SShinya Kuribayashi bool 2009542c1020SShinya Kuribayashi 20107cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 20117cf8053bSRalf Baechle bool 20127cf8053bSRalf Baechle 20137cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20147cf8053bSRalf Baechle bool 20159ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20167cf8053bSRalf Baechle 20177cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20187cf8053bSRalf Baechle bool 20197cf8053bSRalf Baechle 20207cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20217cf8053bSRalf Baechle bool 20227cf8053bSRalf Baechle 20235e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20245e683389SDavid Daney bool 20255e683389SDavid Daney 2026cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2027c1c0c461SKevin Cernekee bool 2028c1c0c461SKevin Cernekee 2029fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2030c1c0c461SKevin Cernekee bool 2031cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2032c1c0c461SKevin Cernekee 2033c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2034c1c0c461SKevin Cernekee bool 2035cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2036c1c0c461SKevin Cernekee 2037c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2038c1c0c461SKevin Cernekee bool 2039cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2040c1c0c461SKevin Cernekee 2041c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2042c1c0c461SKevin Cernekee bool 2043cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2044f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2045c1c0c461SKevin Cernekee 20467f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20477f058e85SJayachandran C bool 20487f058e85SJayachandran C 20491c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20501c773ea4SJayachandran C bool 20511c773ea4SJayachandran C 205217099b11SRalf Baechle# 205317099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 205417099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 205517099b11SRalf Baechle# 20560004a9dfSRalf Baechleconfig WEAK_ORDERING 20570004a9dfSRalf Baechle bool 205817099b11SRalf Baechle 205917099b11SRalf Baechle# 206017099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 206117099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 206217099b11SRalf Baechle# 206317099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 206417099b11SRalf Baechle bool 20655e83d430SRalf Baechleendmenu 20665e83d430SRalf Baechle 20675e83d430SRalf Baechle# 20685e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20695e83d430SRalf Baechle# 20705e83d430SRalf Baechleconfig CPU_MIPS32 20715e83d430SRalf Baechle bool 20727fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20735e83d430SRalf Baechle 20745e83d430SRalf Baechleconfig CPU_MIPS64 20755e83d430SRalf Baechle bool 20767fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20775e83d430SRalf Baechle 20785e83d430SRalf Baechle# 207957eeacedSPaul Burton# These indicate the revision of the architecture 20805e83d430SRalf Baechle# 20815e83d430SRalf Baechleconfig CPU_MIPSR1 20825e83d430SRalf Baechle bool 20835e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20845e83d430SRalf Baechle 20855e83d430SRalf Baechleconfig CPU_MIPSR2 20865e83d430SRalf Baechle bool 2087a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20888256b17eSFlorian Fainelli select CPU_HAS_RIXI 2089ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2090a7e07b1aSMarkos Chandras select MIPS_SPRAM 20915e83d430SRalf Baechle 20927fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20937fd08ca5SLeonid Yegoshin bool 20947fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20958256b17eSFlorian Fainelli select CPU_HAS_RIXI 2096ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 209787321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20982db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20994a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2100a7e07b1aSMarkos Chandras select MIPS_SPRAM 21015e83d430SRalf Baechle 210257eeacedSPaul Burtonconfig TARGET_ISA_REV 210357eeacedSPaul Burton int 210457eeacedSPaul Burton default 1 if CPU_MIPSR1 210557eeacedSPaul Burton default 2 if CPU_MIPSR2 210657eeacedSPaul Burton default 6 if CPU_MIPSR6 210757eeacedSPaul Burton default 0 210857eeacedSPaul Burton help 210957eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 211057eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 211157eeacedSPaul Burton 2112a6e18781SLeonid Yegoshinconfig EVA 2113a6e18781SLeonid Yegoshin bool 2114a6e18781SLeonid Yegoshin 2115c5b36783SSteven J. Hillconfig XPA 2116c5b36783SSteven J. Hill bool 2117c5b36783SSteven J. Hill 21185e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21195e83d430SRalf Baechle bool 21205e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21215e83d430SRalf Baechle bool 21225e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21235e83d430SRalf Baechle bool 21245e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21255e83d430SRalf Baechle bool 212655045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 212755045ff5SWu Zhangjin bool 212855045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 212955045ff5SWu Zhangjin bool 21309cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21319cffd154SDavid Daney bool 2132171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 213382622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 213482622284SDavid Daney bool 2135cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21365e83d430SRalf Baechle 21378192c9eaSDavid Daney# 21388192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21398192c9eaSDavid Daney# 21408192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21418192c9eaSDavid Daney bool 2142679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21438192c9eaSDavid Daney 21445e83d430SRalf Baechlemenu "Kernel type" 21455e83d430SRalf Baechle 21465e83d430SRalf Baechlechoice 21475e83d430SRalf Baechle prompt "Kernel code model" 21485e83d430SRalf Baechle help 21495e83d430SRalf Baechle You should only select this option if you have a workload that 21505e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21515e83d430SRalf Baechle large memory. You will only be presented a single option in this 21525e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21535e83d430SRalf Baechle 21545e83d430SRalf Baechleconfig 32BIT 21555e83d430SRalf Baechle bool "32-bit kernel" 21565e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21575e83d430SRalf Baechle select TRAD_SIGNALS 21585e83d430SRalf Baechle help 21595e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2160f17c4ca3SRalf Baechle 21615e83d430SRalf Baechleconfig 64BIT 21625e83d430SRalf Baechle bool "64-bit kernel" 21635e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21645e83d430SRalf Baechle help 21655e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21665e83d430SRalf Baechle 21675e83d430SRalf Baechleendchoice 21685e83d430SRalf Baechle 21692235a54dSSanjay Lalconfig KVM_GUEST 21702235a54dSSanjay Lal bool "KVM Guest Kernel" 2171f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21722235a54dSSanjay Lal help 2173caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2174caa1faa7SJames Hogan mode. 21752235a54dSSanjay Lal 2176eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2177eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21782235a54dSSanjay Lal depends on KVM_GUEST 2179eda3d33cSJames Hogan default 100 21802235a54dSSanjay Lal help 2181eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2182eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2183eda3d33cSJames Hogan timer frequency is specified directly. 21842235a54dSSanjay Lal 21851e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21861e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21871e321fa9SLeonid Yegoshin depends on 64BIT 21881e321fa9SLeonid Yegoshin help 21893377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21903377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21913377e227SAlex Belits For page sizes 16k and above, this option results in a small 21923377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21933377e227SAlex Belits level of page tables is added which imposes both a memory 21943377e227SAlex Belits overhead as well as slower TLB fault handling. 21953377e227SAlex Belits 21961e321fa9SLeonid Yegoshin If unsure, say N. 21971e321fa9SLeonid Yegoshin 21981da177e4SLinus Torvaldschoice 21991da177e4SLinus Torvalds prompt "Kernel page size" 22001da177e4SLinus Torvalds default PAGE_SIZE_4KB 22011da177e4SLinus Torvalds 22021da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 22031da177e4SLinus Torvalds bool "4kB" 2204268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 22051da177e4SLinus Torvalds help 22061da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 22071da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 22081da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 22091da177e4SLinus Torvalds recommended for low memory systems. 22101da177e4SLinus Torvalds 22111da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22121da177e4SLinus Torvalds bool "8kB" 2213c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22141e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22151da177e4SLinus Torvalds help 22161da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22171da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2218c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2219c2aeaaeaSPaul Burton distribution to support this. 22201da177e4SLinus Torvalds 22211da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22221da177e4SLinus Torvalds bool "16kB" 2223714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22241da177e4SLinus Torvalds help 22251da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22261da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2227714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2228714bfad6SRalf Baechle Linux distribution to support this. 22291da177e4SLinus Torvalds 2230c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2231c52399beSRalf Baechle bool "32kB" 2232c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22331e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2234c52399beSRalf Baechle help 2235c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2236c52399beSRalf Baechle the price of higher memory consumption. This option is available 2237c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2238c52399beSRalf Baechle distribution to support this. 2239c52399beSRalf Baechle 22401da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22411da177e4SLinus Torvalds bool "64kB" 22423b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22431da177e4SLinus Torvalds help 22441da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22451da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22461da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2247714bfad6SRalf Baechle writing this option is still high experimental. 22481da177e4SLinus Torvalds 22491da177e4SLinus Torvaldsendchoice 22501da177e4SLinus Torvalds 2251c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2252c9bace7cSDavid Daney int "Maximum zone order" 2253e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2254e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2255e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2256e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2257e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2258e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2259c9bace7cSDavid Daney range 11 64 2260c9bace7cSDavid Daney default "11" 2261c9bace7cSDavid Daney help 2262c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2263c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2264c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2265c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2266c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2267c9bace7cSDavid Daney increase this value. 2268c9bace7cSDavid Daney 2269c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2270c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2271c9bace7cSDavid Daney 2272c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2273c9bace7cSDavid Daney when choosing a value for this option. 2274c9bace7cSDavid Daney 22751da177e4SLinus Torvaldsconfig BOARD_SCACHE 22761da177e4SLinus Torvalds bool 22771da177e4SLinus Torvalds 22781da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22791da177e4SLinus Torvalds bool 22801da177e4SLinus Torvalds select BOARD_SCACHE 22811da177e4SLinus Torvalds 22829318c51aSChris Dearman# 22839318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22849318c51aSChris Dearman# 22859318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22869318c51aSChris Dearman bool 22879318c51aSChris Dearman select BOARD_SCACHE 22889318c51aSChris Dearman 22891da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22901da177e4SLinus Torvalds bool 22911da177e4SLinus Torvalds select BOARD_SCACHE 22921da177e4SLinus Torvalds 22931da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22941da177e4SLinus Torvalds bool 22951da177e4SLinus Torvalds select BOARD_SCACHE 22961da177e4SLinus Torvalds 22971da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22981da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22991da177e4SLinus Torvalds depends on CPU_SB1 23001da177e4SLinus Torvalds help 23011da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 23021da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 23031da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 23041da177e4SLinus Torvalds 23051da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2306c8094b53SRalf Baechle bool 23071da177e4SLinus Torvalds 23083165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 23093165c846SFlorian Fainelli bool 2310c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 23113165c846SFlorian Fainelli 2312c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2313183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2314183b40f9SPaul Burton default y 2315183b40f9SPaul Burton help 2316183b40f9SPaul Burton Select y to include support for floating point in the kernel 2317183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2318183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2319183b40f9SPaul Burton userland program attempting to use floating point instructions will 2320183b40f9SPaul Burton receive a SIGILL. 2321183b40f9SPaul Burton 2322183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2323183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2324183b40f9SPaul Burton 2325183b40f9SPaul Burton If unsure, say y. 2326c92e47e5SPaul Burton 232797f7dcbfSPaul Burtonconfig CPU_R2300_FPU 232897f7dcbfSPaul Burton bool 2329c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 233097f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 233197f7dcbfSPaul Burton 233254746829SPaul Burtonconfig CPU_R3K_TLB 233354746829SPaul Burton bool 233454746829SPaul Burton 233591405eb6SFlorian Fainelliconfig CPU_R4K_FPU 233691405eb6SFlorian Fainelli bool 2337c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 233897f7dcbfSPaul Burton default y if !CPU_R2300_FPU 233991405eb6SFlorian Fainelli 234062cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 234162cedc4fSFlorian Fainelli bool 234254746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 234362cedc4fSFlorian Fainelli 234459d6ab86SRalf Baechleconfig MIPS_MT_SMP 2345a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23465cbf9688SPaul Burton default y 2347527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 234859d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2349d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2350c080faa5SSteven J. Hill select SYNC_R4K 235159d6ab86SRalf Baechle select MIPS_MT 235259d6ab86SRalf Baechle select SMP 235387353d8aSRalf Baechle select SMP_UP 2354c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2355c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2356399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 235759d6ab86SRalf Baechle help 2358c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2359c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2360c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2361c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2362c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 236359d6ab86SRalf Baechle 2364f41ae0b2SRalf Baechleconfig MIPS_MT 2365f41ae0b2SRalf Baechle bool 2366f41ae0b2SRalf Baechle 23670ab7aefcSRalf Baechleconfig SCHED_SMT 23680ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23690ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23700ab7aefcSRalf Baechle default n 23710ab7aefcSRalf Baechle help 23720ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23730ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23740ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23750ab7aefcSRalf Baechle 23760ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23770ab7aefcSRalf Baechle bool 23780ab7aefcSRalf Baechle 2379f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2380f41ae0b2SRalf Baechle bool 2381f41ae0b2SRalf Baechle 2382f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2383f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2384f088fc84SRalf Baechle default y 2385b633648cSRalf Baechle depends on MIPS_MT_SMP 238607cc0c9eSRalf Baechle 2387b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2388b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23899eaa9a82SPaul Burton depends on CPU_MIPSR6 2390c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2391b0a668fbSLeonid Yegoshin default y 2392b0a668fbSLeonid Yegoshin help 2393b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2394b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 239507edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2396b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2397b0a668fbSLeonid Yegoshin final kernel image. 2398b0a668fbSLeonid Yegoshin 2399f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2400f35764e7SJames Hogan bool 2401f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2402f35764e7SJames Hogan help 2403f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2404f35764e7SJames Hogan physical_memsize. 2405f35764e7SJames Hogan 240607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 240707cc0c9eSRalf Baechle bool "VPE loader support." 2408f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 240907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 241007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 241107cc0c9eSRalf Baechle select MIPS_MT 241207cc0c9eSRalf Baechle help 241307cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 241407cc0c9eSRalf Baechle onto another VPE and running it. 2415f088fc84SRalf Baechle 241617a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 241717a1d523SDeng-Cheng Zhu bool 241817a1d523SDeng-Cheng Zhu default "y" 241917a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 242017a1d523SDeng-Cheng Zhu 24211a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24221a2a6d7eSDeng-Cheng Zhu bool 24231a2a6d7eSDeng-Cheng Zhu default "y" 24241a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24251a2a6d7eSDeng-Cheng Zhu 2426e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2427e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2428e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2429e01402b1SRalf Baechle default y 2430e01402b1SRalf Baechle help 2431e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2432e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2433e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2434e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2435e01402b1SRalf Baechle 2436e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2437e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2438e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2439e01402b1SRalf Baechle 2440da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2441da615cf6SDeng-Cheng Zhu bool 2442da615cf6SDeng-Cheng Zhu default "y" 2443da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2444da615cf6SDeng-Cheng Zhu 24452c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24462c973ef0SDeng-Cheng Zhu bool 24472c973ef0SDeng-Cheng Zhu default "y" 24482c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24492c973ef0SDeng-Cheng Zhu 24504a16ff4cSRalf Baechleconfig MIPS_CMP 24515cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24525676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2453b10b43baSMarkos Chandras select SMP 2454eb9b5141STim Anderson select SYNC_R4K 2455b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24564a16ff4cSRalf Baechle select WEAK_ORDERING 24574a16ff4cSRalf Baechle default n 24584a16ff4cSRalf Baechle help 2459044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2460044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2461044505c7SPaul Burton its ability to start secondary CPUs. 24624a16ff4cSRalf Baechle 24635cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24645cac93b3SPaul Burton instead of this. 24655cac93b3SPaul Burton 24660ee958e1SPaul Burtonconfig MIPS_CPS 24670ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24685a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24690ee958e1SPaul Burton select MIPS_CM 24701d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24710ee958e1SPaul Burton select SMP 24720ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24731d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2474c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24750ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24760ee958e1SPaul Burton select WEAK_ORDERING 24770ee958e1SPaul Burton help 24780ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24790ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24800ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24810ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24820ee958e1SPaul Burton support is unavailable. 24830ee958e1SPaul Burton 24843179d37eSPaul Burtonconfig MIPS_CPS_PM 248539a59593SMarkos Chandras depends on MIPS_CPS 24863179d37eSPaul Burton bool 24873179d37eSPaul Burton 24889f98f3ddSPaul Burtonconfig MIPS_CM 24899f98f3ddSPaul Burton bool 24903c9b4166SPaul Burton select MIPS_CPC 24919f98f3ddSPaul Burton 24929c38cf44SPaul Burtonconfig MIPS_CPC 24939c38cf44SPaul Burton bool 24942600990eSRalf Baechle 24951da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24961da177e4SLinus Torvalds bool 24971da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24981da177e4SLinus Torvalds default y 24991da177e4SLinus Torvalds 25001da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 25011da177e4SLinus Torvalds bool 25021da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 25031da177e4SLinus Torvalds default y 25041da177e4SLinus Torvalds 25059e2b5372SMarkos Chandraschoice 25069e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 25079e2b5372SMarkos Chandras 25089e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 25099e2b5372SMarkos Chandras bool "None" 25109e2b5372SMarkos Chandras help 25119e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25129e2b5372SMarkos Chandras 25139693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25149693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25159e2b5372SMarkos Chandras bool "SmartMIPS" 25169693a853SFranck Bui-Huu help 25179693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25189693a853SFranck Bui-Huu increased security at both hardware and software level for 25199693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25209693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25219693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25229693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25239693a853SFranck Bui-Huu here. 25249693a853SFranck Bui-Huu 2525bce86083SSteven J. Hillconfig CPU_MICROMIPS 25267fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25279e2b5372SMarkos Chandras bool "microMIPS" 2528bce86083SSteven J. Hill help 2529bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2530bce86083SSteven J. Hill microMIPS ISA 2531bce86083SSteven J. Hill 25329e2b5372SMarkos Chandrasendchoice 25339e2b5372SMarkos Chandras 2534a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25350ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2536a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2537c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25382a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2539a5e9a69eSPaul Burton help 2540a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2541a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25421db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25431db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25441db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25451db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25461db1af84SPaul Burton the size & complexity of your kernel. 2547a5e9a69eSPaul Burton 2548a5e9a69eSPaul Burton If unsure, say Y. 2549a5e9a69eSPaul Burton 25501da177e4SLinus Torvaldsconfig CPU_HAS_WB 2551f7062ddbSRalf Baechle bool 2552e01402b1SRalf Baechle 2553df0ac8a4SKevin Cernekeeconfig XKS01 2554df0ac8a4SKevin Cernekee bool 2555df0ac8a4SKevin Cernekee 2556ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI 2557ba9196d2SJiaxun Yang depends on !CPU_DIEI_BROKEN 2558ba9196d2SJiaxun Yang bool 2559ba9196d2SJiaxun Yang 2560ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN 2561ba9196d2SJiaxun Yang bool 2562ba9196d2SJiaxun Yang 25638256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25648256b17eSFlorian Fainelli bool 25658256b17eSFlorian Fainelli 256618d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR 2567932afdeeSYasha Cherikovsky bool 2568932afdeeSYasha Cherikovsky help 256918d84e2eSAlexander Lobakin CPU lacks support for unaligned load and store instructions: 2570932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 257118d84e2eSAlexander Lobakin LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 257218d84e2eSAlexander Lobakin systems). 2573932afdeeSYasha Cherikovsky 2574f41ae0b2SRalf Baechle# 2575f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2576f41ae0b2SRalf Baechle# 2577e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2578f41ae0b2SRalf Baechle bool 2579e01402b1SRalf Baechle 2580f41ae0b2SRalf Baechle# 2581f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2582f41ae0b2SRalf Baechle# 2583e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2584f41ae0b2SRalf Baechle bool 2585e01402b1SRalf Baechle 25861da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25871da177e4SLinus Torvalds bool 25881da177e4SLinus Torvalds depends on !CPU_R3000 25891da177e4SLinus Torvalds default y 25901da177e4SLinus Torvalds 25911da177e4SLinus Torvalds# 259220d60d99SMaciej W. Rozycki# CPU non-features 259320d60d99SMaciej W. Rozycki# 259420d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 259520d60d99SMaciej W. Rozycki bool 259620d60d99SMaciej W. Rozycki 259720d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 259820d60d99SMaciej W. Rozycki bool 259920d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 260020d60d99SMaciej W. Rozycki 260120d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 260220d60d99SMaciej W. Rozycki bool 260320d60d99SMaciej W. Rozycki 2604071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2605071d2f0bSPaul Burton bool 2606071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2607071d2f0bSPaul Burton 26084edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 26094edf00a4SPaul Burton int 26104edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26114edf00a4SPaul Burton default 0 26124edf00a4SPaul Burton 26134edf00a4SPaul Burtonconfig MIPS_ASID_BITS 26144edf00a4SPaul Burton int 26152db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 26164edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26174edf00a4SPaul Burton default 8 26184edf00a4SPaul Burton 26192db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26202db003a5SPaul Burton bool 26212db003a5SPaul Burton 26224a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26234a5dc51eSMarcin Nowakowski bool 26244a5dc51eSMarcin Nowakowski 262520d60d99SMaciej W. Rozycki# 26261da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26271da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26281da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26291da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26301da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26311da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26321da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26331da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2634797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2635797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2636797798c1SRalf Baechle# support. 26371da177e4SLinus Torvalds# 26381da177e4SLinus Torvaldsconfig HIGHMEM 26391da177e4SLinus Torvalds bool "High Memory Support" 2640a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2641797798c1SRalf Baechle 2642797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2643797798c1SRalf Baechle bool 2644797798c1SRalf Baechle 2645797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2646797798c1SRalf Baechle bool 26471da177e4SLinus Torvalds 26489693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26499693a853SFranck Bui-Huu bool 26509693a853SFranck Bui-Huu 2651a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2652a6a4834cSSteven J. Hill bool 2653a6a4834cSSteven J. Hill 2654377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2655377cb1b6SRalf Baechle bool 2656377cb1b6SRalf Baechle help 2657377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2658377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2659377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2660377cb1b6SRalf Baechle 2661a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2662a5e9a69eSPaul Burton bool 2663a5e9a69eSPaul Burton 2664b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2665b4819b59SYoichi Yuasa def_bool y 2666268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2667b4819b59SYoichi Yuasa 2668b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2669b1c6cd42SAtsushi Nemoto bool 2670397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 267131473747SAtsushi Nemoto 2672d8cb4e11SRalf Baechleconfig NUMA 2673d8cb4e11SRalf Baechle bool "NUMA Support" 2674d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2675d8cb4e11SRalf Baechle help 2676d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2677d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2678d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2679d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2680d8cb4e11SRalf Baechle disabled. 2681d8cb4e11SRalf Baechle 2682d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2683d8cb4e11SRalf Baechle bool 2684d8cb4e11SRalf Baechle 2685f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA 2686f3c560a6SThomas Bogendoerfer def_bool y 2687f3c560a6SThomas Bogendoerfer depends on NUMA 2688f3c560a6SThomas Bogendoerfer 2689f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK 2690f3c560a6SThomas Bogendoerfer def_bool y 2691f3c560a6SThomas Bogendoerfer depends on NUMA 2692f3c560a6SThomas Bogendoerfer 26938c530ea3SMatt Redfearnconfig RELOCATABLE 26948c530ea3SMatt Redfearn bool "Relocatable kernel" 26953ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26968c530ea3SMatt Redfearn help 26978c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26988c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26998c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 27008c530ea3SMatt Redfearn but are discarded at runtime 27018c530ea3SMatt Redfearn 2702069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2703069fd766SMatt Redfearn hex "Relocation table size" 2704069fd766SMatt Redfearn depends on RELOCATABLE 2705069fd766SMatt Redfearn range 0x0 0x01000000 2706069fd766SMatt Redfearn default "0x00100000" 2707069fd766SMatt Redfearn ---help--- 2708069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2709069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2710069fd766SMatt Redfearn 2711069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2712069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2713069fd766SMatt Redfearn 2714069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2715069fd766SMatt Redfearn 2716069fd766SMatt Redfearn If unsure, leave at the default value. 2717069fd766SMatt Redfearn 2718405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2719405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2720405bc8fdSMatt Redfearn depends on RELOCATABLE 2721405bc8fdSMatt Redfearn ---help--- 2722405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2723405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2724405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2725405bc8fdSMatt Redfearn of kernel internals. 2726405bc8fdSMatt Redfearn 2727405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2728405bc8fdSMatt Redfearn 2729405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2730405bc8fdSMatt Redfearn 2731405bc8fdSMatt Redfearn If unsure, say N. 2732405bc8fdSMatt Redfearn 2733405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2734405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2735405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2736405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2737405bc8fdSMatt Redfearn range 0x0 0x08000000 2738405bc8fdSMatt Redfearn default "0x01000000" 2739405bc8fdSMatt Redfearn ---help--- 2740405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2741405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2742405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2743405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2744405bc8fdSMatt Redfearn 2745405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2746405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2747405bc8fdSMatt Redfearn 2748c80d79d7SYasunori Gotoconfig NODES_SHIFT 2749c80d79d7SYasunori Goto int 2750c80d79d7SYasunori Goto default "6" 2751c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2752c80d79d7SYasunori Goto 275314f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 275414f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2755268a2d60SJiaxun Yang depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 275614f70012SDeng-Cheng Zhu default y 275714f70012SDeng-Cheng Zhu help 275814f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 275914f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 276014f70012SDeng-Cheng Zhu 27611da177e4SLinus Torvaldsconfig SMP 27621da177e4SLinus Torvalds bool "Multi-Processing support" 2763e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2764e73ea273SRalf Baechle help 27651da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27664a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27674a474157SRobert Graffham than one CPU, say Y. 27681da177e4SLinus Torvalds 27694a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27701da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27711da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27724a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27731da177e4SLinus Torvalds will run faster if you say N here. 27741da177e4SLinus Torvalds 27751da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27761da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27771da177e4SLinus Torvalds 277803502faaSAdrian Bunk See also the SMP-HOWTO available at 277903502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27801da177e4SLinus Torvalds 27811da177e4SLinus Torvalds If you don't know what to do here, say N. 27821da177e4SLinus Torvalds 27837840d618SMatt Redfearnconfig HOTPLUG_CPU 27847840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27857840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27867840d618SMatt Redfearn help 27877840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27887840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27897840d618SMatt Redfearn (Note: power management support will enable this option 27907840d618SMatt Redfearn automatically on SMP systems. ) 27917840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27927840d618SMatt Redfearn 279387353d8aSRalf Baechleconfig SMP_UP 279487353d8aSRalf Baechle bool 279587353d8aSRalf Baechle 27964a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27974a16ff4cSRalf Baechle bool 27984a16ff4cSRalf Baechle 27990ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 28000ee958e1SPaul Burton bool 28010ee958e1SPaul Burton 2802e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2803e73ea273SRalf Baechle bool 2804e73ea273SRalf Baechle 2805130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2806130e2fb7SRalf Baechle bool 2807130e2fb7SRalf Baechle 2808130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2809130e2fb7SRalf Baechle bool 2810130e2fb7SRalf Baechle 2811130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2812130e2fb7SRalf Baechle bool 2813130e2fb7SRalf Baechle 2814130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2815130e2fb7SRalf Baechle bool 2816130e2fb7SRalf Baechle 2817130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2818130e2fb7SRalf Baechle bool 2819130e2fb7SRalf Baechle 28201da177e4SLinus Torvaldsconfig NR_CPUS 2821a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2822a91796a9SJayachandran C range 2 256 28231da177e4SLinus Torvalds depends on SMP 2824130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2825130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2826130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2827130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2828130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28291da177e4SLinus Torvalds help 28301da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28311da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28321da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 283372ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 283472ede9b1SAtsushi Nemoto and 2 for all others. 28351da177e4SLinus Torvalds 28361da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 283772ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 283872ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 283972ede9b1SAtsushi Nemoto power of two. 28401da177e4SLinus Torvalds 2841399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2842399aaa25SAl Cooper bool 2843399aaa25SAl Cooper 28447820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28457820b84bSDavid Daney bool 28467820b84bSDavid Daney 28477820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28487820b84bSDavid Daney int 28497820b84bSDavid Daney depends on SMP 28507820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28517820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28527820b84bSDavid Daney 28531723b4a3SAtsushi Nemoto# 28541723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28551723b4a3SAtsushi Nemoto# 28561723b4a3SAtsushi Nemoto 28571723b4a3SAtsushi Nemotochoice 28581723b4a3SAtsushi Nemoto prompt "Timer frequency" 28591723b4a3SAtsushi Nemoto default HZ_250 28601723b4a3SAtsushi Nemoto help 28611723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28621723b4a3SAtsushi Nemoto 286367596573SPaul Burton config HZ_24 286467596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 286567596573SPaul Burton 28661723b4a3SAtsushi Nemoto config HZ_48 28670f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28681723b4a3SAtsushi Nemoto 28691723b4a3SAtsushi Nemoto config HZ_100 28701723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28711723b4a3SAtsushi Nemoto 28721723b4a3SAtsushi Nemoto config HZ_128 28731723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28741723b4a3SAtsushi Nemoto 28751723b4a3SAtsushi Nemoto config HZ_250 28761723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28771723b4a3SAtsushi Nemoto 28781723b4a3SAtsushi Nemoto config HZ_256 28791723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28801723b4a3SAtsushi Nemoto 28811723b4a3SAtsushi Nemoto config HZ_1000 28821723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28831723b4a3SAtsushi Nemoto 28841723b4a3SAtsushi Nemoto config HZ_1024 28851723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28861723b4a3SAtsushi Nemoto 28871723b4a3SAtsushi Nemotoendchoice 28881723b4a3SAtsushi Nemoto 288967596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 289067596573SPaul Burton bool 289167596573SPaul Burton 28921723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28931723b4a3SAtsushi Nemoto bool 28941723b4a3SAtsushi Nemoto 28951723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28961723b4a3SAtsushi Nemoto bool 28971723b4a3SAtsushi Nemoto 28981723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28991723b4a3SAtsushi Nemoto bool 29001723b4a3SAtsushi Nemoto 29011723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29021723b4a3SAtsushi Nemoto bool 29031723b4a3SAtsushi Nemoto 29041723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29051723b4a3SAtsushi Nemoto bool 29061723b4a3SAtsushi Nemoto 29071723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29081723b4a3SAtsushi Nemoto bool 29091723b4a3SAtsushi Nemoto 29101723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29111723b4a3SAtsushi Nemoto bool 29121723b4a3SAtsushi Nemoto 29131723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29141723b4a3SAtsushi Nemoto bool 291567596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 291667596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 291767596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 291867596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 291967596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 292067596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 292167596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29221723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29231723b4a3SAtsushi Nemoto 29241723b4a3SAtsushi Nemotoconfig HZ 29251723b4a3SAtsushi Nemoto int 292667596573SPaul Burton default 24 if HZ_24 29271723b4a3SAtsushi Nemoto default 48 if HZ_48 29281723b4a3SAtsushi Nemoto default 100 if HZ_100 29291723b4a3SAtsushi Nemoto default 128 if HZ_128 29301723b4a3SAtsushi Nemoto default 250 if HZ_250 29311723b4a3SAtsushi Nemoto default 256 if HZ_256 29321723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29331723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29341723b4a3SAtsushi Nemoto 293596685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 293696685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 293796685b17SDeng-Cheng Zhu 2938ea6e942bSAtsushi Nemotoconfig KEXEC 29397d60717eSKees Cook bool "Kexec system call" 29402965faa5SDave Young select KEXEC_CORE 2941ea6e942bSAtsushi Nemoto help 2942ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2943ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29443dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2945ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2946ea6e942bSAtsushi Nemoto 294701dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2948ea6e942bSAtsushi Nemoto 2949ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2950ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2951bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2952bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2953bf220695SGeert Uytterhoeven made. 2954ea6e942bSAtsushi Nemoto 29557aa1c8f4SRalf Baechleconfig CRASH_DUMP 29567aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29577aa1c8f4SRalf Baechle help 29587aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29597aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29607aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29617aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29627aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29637aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29647aa1c8f4SRalf Baechle PHYSICAL_START. 29657aa1c8f4SRalf Baechle 29667aa1c8f4SRalf Baechleconfig PHYSICAL_START 29677aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29688bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29697aa1c8f4SRalf Baechle depends on CRASH_DUMP 29707aa1c8f4SRalf Baechle help 29717aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29727aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29737aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29747aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29757aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29767aa1c8f4SRalf Baechle 2977ea6e942bSAtsushi Nemotoconfig SECCOMP 2978ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2979293c5bd1SRalf Baechle depends on PROC_FS 2980ea6e942bSAtsushi Nemoto default y 2981ea6e942bSAtsushi Nemoto help 2982ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2983ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2984ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2985ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2986ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2987ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2988ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2989ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2990ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2991ea6e942bSAtsushi Nemoto 2992ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2993ea6e942bSAtsushi Nemoto 2994597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2995b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2996597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2997597ce172SPaul Burton help 2998597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2999597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 3000597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3001597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 3002597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 3003597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3004597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3005597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3006597ce172SPaul Burton saying N here. 3007597ce172SPaul Burton 300806e2e882SPaul Burton Although binutils currently supports use of this flag the details 300906e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 301006e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 301106e2e882SPaul Burton behaviour before the details have been finalised, this option should 301206e2e882SPaul Burton be considered experimental and only enabled by those working upon 301306e2e882SPaul Burton said details. 301406e2e882SPaul Burton 301506e2e882SPaul Burton If unsure, say N. 3016597ce172SPaul Burton 3017f2ffa5abSDezhong Diaoconfig USE_OF 30180b3e06fdSJonas Gorski bool 3019f2ffa5abSDezhong Diao select OF 3020e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3021abd2363fSGrant Likely select IRQ_DOMAIN 3022f2ffa5abSDezhong Diao 30232fe8ea39SDengcheng Zhuconfig UHI_BOOT 30242fe8ea39SDengcheng Zhu bool 30252fe8ea39SDengcheng Zhu 30267fafb068SAndrew Brestickerconfig BUILTIN_DTB 30277fafb068SAndrew Bresticker bool 30287fafb068SAndrew Bresticker 30291da8f179SJonas Gorskichoice 30305b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30311da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30321da8f179SJonas Gorski 30331da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30341da8f179SJonas Gorski bool "None" 30351da8f179SJonas Gorski help 30361da8f179SJonas Gorski Do not enable appended dtb support. 30371da8f179SJonas Gorski 303887db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 303987db537dSAaro Koskinen bool "vmlinux" 304087db537dSAaro Koskinen help 304187db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 304287db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 304387db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 304487db537dSAaro Koskinen objcopy: 304587db537dSAaro Koskinen 304687db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 304787db537dSAaro Koskinen 304887db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 304987db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 305087db537dSAaro Koskinen the documented boot protocol using a device tree. 305187db537dSAaro Koskinen 30521da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3053b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30541da8f179SJonas Gorski help 30551da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3056b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30571da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30581da8f179SJonas Gorski 30591da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30601da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30611da8f179SJonas Gorski the documented boot protocol using a device tree. 30621da8f179SJonas Gorski 30631da8f179SJonas Gorski Beware that there is very little in terms of protection against 30641da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30651da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30661da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30671da8f179SJonas Gorski if you don't intend to always append a DTB. 30681da8f179SJonas Gorskiendchoice 30691da8f179SJonas Gorski 30702024972eSJonas Gorskichoice 30712024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30722bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30733f5f0a44SPaul Burton !MIPS_MALTA && \ 30742bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30752024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30762024972eSJonas Gorski 30772024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30782024972eSJonas Gorski depends on USE_OF 30792024972eSJonas Gorski bool "Dtb kernel arguments if available" 30802024972eSJonas Gorski 30812024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30822024972eSJonas Gorski depends on USE_OF 30832024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30842024972eSJonas Gorski 30852024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30862024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3087ed47e153SRabin Vincent 3088ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3089ed47e153SRabin Vincent depends on CMDLINE_BOOL 3090ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30912024972eSJonas Gorskiendchoice 30922024972eSJonas Gorski 30935e83d430SRalf Baechleendmenu 30945e83d430SRalf Baechle 30951df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30961df0f0ffSAtsushi Nemoto bool 30971df0f0ffSAtsushi Nemoto default y 30981df0f0ffSAtsushi Nemoto 30991df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 31001df0f0ffSAtsushi Nemoto bool 31011df0f0ffSAtsushi Nemoto default y 31021df0f0ffSAtsushi Nemoto 3103a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3104a728ab52SKirill A. Shutemov int 31053377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3106a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3107a728ab52SKirill A. Shutemov default 2 3108a728ab52SKirill A. Shutemov 31096c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 31106c359eb1SPaul Burton bool 31116c359eb1SPaul Burton 31121da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31131da177e4SLinus Torvalds 3114c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31152eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3116c5611df9SPaul Burton bool 3117c5611df9SPaul Burton 3118c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3119c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3120c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31212eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31221da177e4SLinus Torvalds 31231da177e4SLinus Torvalds# 31241da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31251da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31261da177e4SLinus Torvalds# users to choose the right thing ... 31271da177e4SLinus Torvalds# 31281da177e4SLinus Torvaldsconfig ISA 31291da177e4SLinus Torvalds bool 31301da177e4SLinus Torvalds 31311da177e4SLinus Torvaldsconfig TC 31321da177e4SLinus Torvalds bool "TURBOchannel support" 31331da177e4SLinus Torvalds depends on MACH_DECSTATION 31341da177e4SLinus Torvalds help 313550a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 313650a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 313750a23e6eSJustin P. Mattock at: 313850a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 313950a23e6eSJustin P. Mattock and: 314050a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 314150a23e6eSJustin P. Mattock Linux driver support status is documented at: 314250a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31431da177e4SLinus Torvalds 31441da177e4SLinus Torvaldsconfig MMU 31451da177e4SLinus Torvalds bool 31461da177e4SLinus Torvalds default y 31471da177e4SLinus Torvalds 3148109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3149109c32ffSMatt Redfearn default 12 if 64BIT 3150109c32ffSMatt Redfearn default 8 3151109c32ffSMatt Redfearn 3152109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3153109c32ffSMatt Redfearn default 18 if 64BIT 3154109c32ffSMatt Redfearn default 15 3155109c32ffSMatt Redfearn 3156109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3157109c32ffSMatt Redfearn default 8 3158109c32ffSMatt Redfearn 3159109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3160109c32ffSMatt Redfearn default 15 3161109c32ffSMatt Redfearn 3162d865bea4SRalf Baechleconfig I8253 3163d865bea4SRalf Baechle bool 3164798778b8SRussell King select CLKSRC_I8253 31652d02612fSThomas Gleixner select CLKEVT_I8253 31669726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3167d865bea4SRalf Baechle 3168e05eb3f8SRalf Baechleconfig ZONE_DMA 3169e05eb3f8SRalf Baechle bool 3170e05eb3f8SRalf Baechle 3171cce335aeSRalf Baechleconfig ZONE_DMA32 3172cce335aeSRalf Baechle bool 3173cce335aeSRalf Baechle 31741da177e4SLinus Torvaldsendmenu 31751da177e4SLinus Torvalds 31761da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31771da177e4SLinus Torvalds bool 31781da177e4SLinus Torvalds 31791da177e4SLinus Torvaldsconfig MIPS32_COMPAT 318078aaf956SRalf Baechle bool 31811da177e4SLinus Torvalds 31821da177e4SLinus Torvaldsconfig COMPAT 31831da177e4SLinus Torvalds bool 31841da177e4SLinus Torvalds 318505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 318605e43966SAtsushi Nemoto bool 318705e43966SAtsushi Nemoto 31881da177e4SLinus Torvaldsconfig MIPS32_O32 31891da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 319078aaf956SRalf Baechle depends on 64BIT 319178aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 319278aaf956SRalf Baechle select COMPAT 319378aaf956SRalf Baechle select MIPS32_COMPAT 319478aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31951da177e4SLinus Torvalds help 31961da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31971da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31981da177e4SLinus Torvalds existing binaries are in this format. 31991da177e4SLinus Torvalds 32001da177e4SLinus Torvalds If unsure, say Y. 32011da177e4SLinus Torvalds 32021da177e4SLinus Torvaldsconfig MIPS32_N32 32031da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3204c22eacfeSRalf Baechle depends on 64BIT 32055a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 320678aaf956SRalf Baechle select COMPAT 320778aaf956SRalf Baechle select MIPS32_COMPAT 320878aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32091da177e4SLinus Torvalds help 32101da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 32111da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32121da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32131da177e4SLinus Torvalds cases. 32141da177e4SLinus Torvalds 32151da177e4SLinus Torvalds If unsure, say N. 32161da177e4SLinus Torvalds 32171da177e4SLinus Torvaldsconfig BINFMT_ELF32 32181da177e4SLinus Torvalds bool 32191da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3220f43edca7SRalf Baechle select ELFCORE 32211da177e4SLinus Torvalds 32222116245eSRalf Baechlemenu "Power management options" 3223952fa954SRodolfo Giometti 3224363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3225363c55caSWu Zhangjin def_bool y 32263f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3227363c55caSWu Zhangjin 3228f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3229f4cb5700SJohannes Berg def_bool y 32303f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3231f4cb5700SJohannes Berg 32322116245eSRalf Baechlesource "kernel/power/Kconfig" 3233952fa954SRodolfo Giometti 32341da177e4SLinus Torvaldsendmenu 32351da177e4SLinus Torvalds 32367a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32377a998935SViresh Kumar bool 32387a998935SViresh Kumar 32397a998935SViresh Kumarmenu "CPU Power Management" 3240c095ebafSPaul Burton 3241c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32427a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32437a998935SViresh Kumarendif 32449726b43aSWu Zhangjin 3245c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3246c095ebafSPaul Burton 3247c095ebafSPaul Burtonendmenu 3248c095ebafSPaul Burton 324998cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 325098cdee0eSRalf Baechle 32512235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3252