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 78690bbcfSMathieu Desnoyers select ARCH_HAS_CPU_CACHE_ALIASING 87f066a22SThomas Gleixner select ARCH_HAS_CPU_FINALIZE_INIT 9b847bd64SKees Cook select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000 10dfad83cbSFlorian Fainelli select ARCH_HAS_DEBUG_VIRTUAL if !64BIT 11de6c85bfSChristoph Hellwig select ARCH_HAS_DMA_OPS if MACH_JAZZ 1234c01e41SAlexander Lobakin select ARCH_HAS_FORTIFY_SOURCE 1334c01e41SAlexander Lobakin select ARCH_HAS_KCOV 1466633abdSTiezhu Yang select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA 1534c01e41SAlexander Lobakin select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 16e6226997SArnd Bergmann select ARCH_HAS_STRNCPY_FROM_USER 17e6226997SArnd Bergmann select ARCH_HAS_STRNLEN_USER 1812597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 19918327e9SKees Cook select ARCH_HAS_UBSAN 208b3165e5SXingxing Su select ARCH_HAS_GCOV_PROFILE_ALL 21c55944ccSNick Desaulniers select ARCH_KEEP_MEMBLOCK 221ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 2312597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 24dce44566SAnshuman Khandual select ARCH_USE_MEMTEST 2525da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 260b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 27855f9a8eSAnshuman Khandual select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES 289035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 2912597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 30d3a4e0f1SAlexander Lobakin select ARCH_WANT_LD_ORPHAN_WARN 3110916706SShile Zhang select BUILDTIME_TABLE_SORT 3204e4ec98SMasahiro Yamada select BUILTIN_DTB_ALL if BUILTIN_DTB 3312597988SMatt Redfearn select CLONE_BACKWARDS 3457eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 352226d454SJiaxun Yang select CPU_PM if CPU_IDLE || SUSPEND 3612597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 3704e4ec98SMasahiro Yamada select GENERIC_BUILTIN_DTB if BUILTIN_DTB 3812597988SMatt Redfearn select GENERIC_CMOS_UPDATE 3912597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 4024640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 41b962aeb0SPaul Burton select GENERIC_IOMAP 4212597988SMatt Redfearn select GENERIC_IRQ_PROBE 4312597988SMatt Redfearn select GENERIC_IRQ_SHOW 446630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 45740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 46740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 47740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 48740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 49740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 5012597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 5112597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 52975fd3c2SJiaxun Yang select GENERIC_IDLE_POLL_SETUP 5312597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 54*69896119SThomas Weißschuh select GENERIC_VDSO_DATA_STORE 556ca297d4SPeter Zijlstra select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 56fcbfe812SNiklas Schnelle select HAS_IOPORT if !NO_IOPORT_MAP || ISA 57906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 5812597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 5942b20995SArnd Bergmann select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT 60109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 61109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 62490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 63c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 6445e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 652ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 6624a9c541SFrederic Weisbecker select HAVE_CONTEXT_TRACKING_USER 67490f561bSFrederic Weisbecker select HAVE_TIF_NOHZ 6864575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 6912597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 7012597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 7112597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 7212597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 737364d60cSJiaxun Yang select HAVE_EBPF_JIT if !CPU_MICROMIPS 7412597988SMatt Redfearn select HAVE_EXIT_THREAD 7525176ad0SDavid Hildenbrand select HAVE_GUP_FAST 7612597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 7729c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 7812597988SMatt Redfearn select HAVE_FUNCTION_TRACER 7934c01e41SAlexander Lobakin select HAVE_GCC_PLUGINS 8034c01e41SAlexander Lobakin select HAVE_GENERIC_VDSO 81b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 8212597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 8312597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 84c1bf207dSDavid Daney select HAVE_KPROBES 85c1bf207dSDavid Daney select HAVE_KRETPROBES 86c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 87786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 8842a0bb3fSPetr Mladek select HAVE_NMI 89ba89f9c8SArnd Bergmann select HAVE_PAGE_SIZE_4KB if !CPU_LOONGSON2EF && !CPU_LOONGSON64 90ba89f9c8SArnd Bergmann select HAVE_PAGE_SIZE_16KB if !CPU_R3000 91ba89f9c8SArnd Bergmann select HAVE_PAGE_SIZE_64KB if !CPU_R3000 9212597988SMatt Redfearn select HAVE_PERF_EVENTS 931ddc96bdSTiezhu Yang select HAVE_PERF_REGS 941ddc96bdSTiezhu Yang select HAVE_PERF_USER_STACK_DUMP 9508bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 969ea141adSPaul Burton select HAVE_RSEQ 9716c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 98d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 9912597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 100a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 10112597988SMatt Redfearn select IRQ_FORCED_THREADING 1026630a8e5SChristoph Hellwig select ISA if EISA 1034bce37a6SBen Hutchings select LOCK_MM_AND_FIND_VMA 10412597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 10534c01e41SAlexander Lobakin select MODULES_USE_ELF_RELA if MODULES && 64BIT 10612597988SMatt Redfearn select PERF_USE_VMALLOC 107981aa1d3SThomas Gleixner select PCI_MSI_ARCH_FALLBACKS if PCI_MSI 10805a0a344SArnd Bergmann select RTC_LIB 10912597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 1104aae683fSMasahiro Yamada select TRACE_IRQFLAGS_SUPPORT 1110bb87f05SAl Viro select ARCH_HAS_ELFCORE_COMPAT 112e0a8b93eSNemanja Rakovic select HAVE_ARCH_KCSAN if 64BIT 1131da177e4SLinus Torvalds 114d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR 115d3991572SChristoph Hellwig bool 116d3991572SChristoph Hellwig 117c434b9f8SPaul Cercueilconfig MIPS_GENERIC 118c434b9f8SPaul Cercueil bool 119c434b9f8SPaul Cercueil 12080f2e4cdSGregory CLEMENTconfig MACH_GENERIC_CORE 12180f2e4cdSGregory CLEMENT bool 12280f2e4cdSGregory CLEMENT 123f0f4a753SPaul Cercueilconfig MACH_INGENIC 124f0f4a753SPaul Cercueil bool 125f0f4a753SPaul Cercueil select SYS_SUPPORTS_32BIT_KERNEL 126f0f4a753SPaul Cercueil select SYS_SUPPORTS_LITTLE_ENDIAN 127f0f4a753SPaul Cercueil select SYS_SUPPORTS_ZBOOT 128f0f4a753SPaul Cercueil select DMA_NONCOHERENT 129f0f4a753SPaul Cercueil select IRQ_MIPS_CPU 130f0f4a753SPaul Cercueil select PINCTRL 131f0f4a753SPaul Cercueil select GPIOLIB 132f0f4a753SPaul Cercueil select COMMON_CLK 133f0f4a753SPaul Cercueil select GENERIC_IRQ_CHIP 134f0f4a753SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 135f0f4a753SPaul Cercueil select USE_OF 136f0f4a753SPaul Cercueil select CPU_SUPPORTS_CPUFREQ 137f0f4a753SPaul Cercueil select MIPS_EXTERNAL_TIMER 138f0f4a753SPaul Cercueil 1391da177e4SLinus Torvaldsmenu "Machine selection" 1401da177e4SLinus Torvalds 1415e83d430SRalf Baechlechoice 1425e83d430SRalf Baechle prompt "System type" 143c434b9f8SPaul Cercueil default MIPS_GENERIC_KERNEL 1441da177e4SLinus Torvalds 145c434b9f8SPaul Cercueilconfig MIPS_GENERIC_KERNEL 146eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 147c434b9f8SPaul Cercueil select MIPS_GENERIC 148eed0eabdSPaul Burton select BOOT_RAW 149eed0eabdSPaul Burton select BUILTIN_DTB 150eed0eabdSPaul Burton select CEVT_R4K 151eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 152eed0eabdSPaul Burton select COMMON_CLK 153eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 15434c01e41SAlexander Lobakin select CPU_MIPSR2_IRQ_VI 155eed0eabdSPaul Burton select CSRC_R4K 1564e066441SChristoph Hellwig select DMA_NONCOHERENT 157eb01d42aSChristoph Hellwig select HAVE_PCI 158eed0eabdSPaul Burton select IRQ_MIPS_CPU 15980f2e4cdSGregory CLEMENT select MACH_GENERIC_CORE 1600211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 161eed0eabdSPaul Burton select MIPS_CPU_SCACHE 162eed0eabdSPaul Burton select MIPS_GIC 163eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 164eed0eabdSPaul Burton select NO_EXCEPT_FILL 165eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 166eed0eabdSPaul Burton select SMP_UP if SMP 167a3078e59SMatt Redfearn select SWAP_IO_SPACE 168eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 169eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 170fb6700c5SJiaxun Yang select SYS_HAS_CPU_MIPS32_R5 171eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 172eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 173eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 174fb6700c5SJiaxun Yang select SYS_HAS_CPU_MIPS64_R5 175eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 176eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 177eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 178eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 179eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 180eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 181eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 182eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 18334c01e41SAlexander Lobakin select SYS_SUPPORTS_MIPS_CPS 184eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 185eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 186eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 187c3e2ee65SPaul Cercueil select SYS_SUPPORTS_ZBOOT 18834c01e41SAlexander Lobakin select UHI_BOOT 1892e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1902e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1912e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1922e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1932e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1942e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 195eed0eabdSPaul Burton select USE_OF 196eed0eabdSPaul Burton help 197eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 198eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 199eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 200eed0eabdSPaul Burton Interface) specification. 201eed0eabdSPaul Burton 20242a4f17dSManuel Laussconfig MIPS_ALCHEMY 203c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 204d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 205f772cdb2SRalf Baechle select CEVT_R4K 206d7ea335cSSteven J. Hill select CSRC_R4K 20767e38cf2SRalf Baechle select IRQ_MIPS_CPU 208a86497d6SChristoph Hellwig select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is 209d3991572SChristoph Hellwig select MIPS_FIXUP_BIGPHYS_ADDR if PCI 21042a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 21142a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 21242a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 213d30a2b47SLinus Walleij select GPIOLIB 2141b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 21547440229SManuel Lauss select COMMON_CLK 2161da177e4SLinus Torvalds 21743cc739fSSergey Ryazanovconfig ATH25 21843cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 21943cc739fSSergey Ryazanov select CEVT_R4K 22043cc739fSSergey Ryazanov select CSRC_R4K 22143cc739fSSergey Ryazanov select DMA_NONCOHERENT 22267e38cf2SRalf Baechle select IRQ_MIPS_CPU 2231753e74eSSergey Ryazanov select IRQ_DOMAIN 22443cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 22543cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 22643cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 2278aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 22843cc739fSSergey Ryazanov help 22943cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 23043cc739fSSergey Ryazanov 231d4a67d9dSGabor Juhosconfig ATH79 232d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 233ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 234d4a67d9dSGabor Juhos select BOOT_RAW 235d4a67d9dSGabor Juhos select CEVT_R4K 236d4a67d9dSGabor Juhos select CSRC_R4K 237d4a67d9dSGabor Juhos select DMA_NONCOHERENT 238d30a2b47SLinus Walleij select GPIOLIB 239a08227a2SJohn Crispin select PINCTRL 240411520afSAlban Bedel select COMMON_CLK 24167e38cf2SRalf Baechle select IRQ_MIPS_CPU 242d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 243d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 244d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 245d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 246377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 247b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 24803c8c407SAlban Bedel select USE_OF 24953d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 250d4a67d9dSGabor Juhos help 251d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 252d4a67d9dSGabor Juhos 2535f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2545f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 25529906e1aSÁlvaro Fernández Rojas select ARCH_HAS_RESET_CONTROLLER 256d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 257d666cd02SKevin Cernekee select BOOT_RAW 258d666cd02SKevin Cernekee select NO_EXCEPT_FILL 259d666cd02SKevin Cernekee select USE_OF 260d666cd02SKevin Cernekee select CEVT_R4K 261d666cd02SKevin Cernekee select CSRC_R4K 262d666cd02SKevin Cernekee select SYNC_R4K 263d666cd02SKevin Cernekee select COMMON_CLK 264c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 26560b858f2SKevin Cernekee select BCM7038_L1_IRQ 26660b858f2SKevin Cernekee select BCM7120_L2_IRQ 26760b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 26867e38cf2SRalf Baechle select IRQ_MIPS_CPU 26960b858f2SKevin Cernekee select DMA_NONCOHERENT 270d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 27160b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 272d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 273d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 27460b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 27560b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 27660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 277d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 278d666cd02SKevin Cernekee select SWAP_IO_SPACE 27960b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 28060b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 28160b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 28260b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2834dc4704cSJustin Chen select HARDIRQS_SW_RESEND 2841d987052SFlorian Fainelli select HAVE_PCI 2851d987052SFlorian Fainelli select PCI_DRIVERS_GENERIC 286466ab2eaSFlorian Fainelli select FW_CFE 287d666cd02SKevin Cernekee help 2885f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2895f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2905f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2915f2d4459SKevin Cernekee must be set appropriately for your board. 292d666cd02SKevin Cernekee 2931c0c13ebSAurelien Jarnoconfig BCM47XX 294c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 295fe08f8c2SHauke Mehrtens select BOOT_RAW 29642f77542SRalf Baechle select CEVT_R4K 297940f6b48SRalf Baechle select CSRC_R4K 2981c0c13ebSAurelien Jarno select DMA_NONCOHERENT 299eb01d42aSChristoph Hellwig select HAVE_PCI 30067e38cf2SRalf Baechle select IRQ_MIPS_CPU 301314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 302dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 3031c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 3041c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 305377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 3066507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 30725e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 308e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 309c949c0bcSRafał Miłecki select GPIOLIB 310c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 311f6e734a8SRafał Miłecki select BCM47XX_NVRAM 3122ab71a02SRafał Miłecki select BCM47XX_SPROM 313dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 3141c0c13ebSAurelien Jarno help 3151c0c13ebSAurelien Jarno Support for BCM47XX based boards 3161c0c13ebSAurelien Jarno 317e7300d04SMaxime Bizonconfig BCM63XX 318e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 319ae8de61cSFlorian Fainelli select BOOT_RAW 320e7300d04SMaxime Bizon select CEVT_R4K 321e7300d04SMaxime Bizon select CSRC_R4K 322fc264022SJonas Gorski select SYNC_R4K 323e7300d04SMaxime Bizon select DMA_NONCOHERENT 32467e38cf2SRalf Baechle select IRQ_MIPS_CPU 325e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 326e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 327e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 3285eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS32_3300 3295eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS4350 3305eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS4380 331e7300d04SMaxime Bizon select SWAP_IO_SPACE 332d30a2b47SLinus Walleij select GPIOLIB 333af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 334bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 335e7300d04SMaxime Bizon help 336e7300d04SMaxime Bizon Support for BCM63XX based boards 337e7300d04SMaxime Bizon 3381da177e4SLinus Torvaldsconfig MIPS_COBALT 3393fa986faSMartin Michlmayr bool "Cobalt Server" 34042f77542SRalf Baechle select CEVT_R4K 341940f6b48SRalf Baechle select CSRC_R4K 3421097c6acSYoichi Yuasa select CEVT_GT641XX 3431da177e4SLinus Torvalds select DMA_NONCOHERENT 344eb01d42aSChristoph Hellwig select FORCE_PCI 345d865bea4SRalf Baechle select I8253 3461da177e4SLinus Torvalds select I8259 34767e38cf2SRalf Baechle select IRQ_MIPS_CPU 348d5ab1a69SYoichi Yuasa select IRQ_GT641XX 349252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3507cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3510a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 352ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3530e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3545e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 355e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3561da177e4SLinus Torvalds 3571da177e4SLinus Torvaldsconfig MACH_DECSTATION 3583fa986faSMartin Michlmayr bool "DECstations" 3591da177e4SLinus Torvalds select BOOT_ELF32 3606457d9fcSYoichi Yuasa select CEVT_DS1287 36181d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3624247417dSYoichi Yuasa select CSRC_IOASIC 36381d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 36420d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 36520d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 36620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3671da177e4SLinus Torvalds select DMA_NONCOHERENT 368ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 36967e38cf2SRalf Baechle select IRQ_MIPS_CPU 3707cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3717cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 372ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3737d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3745e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3751723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3761723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3771723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 378930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3795e83d430SRalf Baechle help 3801da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3811da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3821da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3831da177e4SLinus Torvalds 3841da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3851da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3861da177e4SLinus Torvalds 3871da177e4SLinus Torvalds DECstation 5000/50 3881da177e4SLinus Torvalds DECstation 5000/150 3891da177e4SLinus Torvalds DECstation 5000/260 3901da177e4SLinus Torvalds DECsystem 5900/260 3911da177e4SLinus Torvalds 3921da177e4SLinus Torvalds otherwise choose R3000. 3931da177e4SLinus Torvalds 3945e83d430SRalf Baechleconfig MACH_JAZZ 3953fa986faSMartin Michlmayr bool "Jazz family of machines" 39639b2d756SThomas Bogendoerfer select ARC_MEMORY 39739b2d756SThomas Bogendoerfer select ARC_PROMLIB 398a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3997a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4000e2794b0SRalf Baechle select FW_ARC 4010e2794b0SRalf Baechle select FW_ARC32 4025e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 40342f77542SRalf Baechle select CEVT_R4K 404940f6b48SRalf Baechle select CSRC_R4K 405e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 4065e83d430SRalf Baechle select GENERIC_ISA_DMA 4078a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 40867e38cf2SRalf Baechle select IRQ_MIPS_CPU 409d865bea4SRalf Baechle select I8253 4105e83d430SRalf Baechle select I8259 4115e83d430SRalf Baechle select ISA 4127cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4135e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 4147d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 4151723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 416aadfe4b5SArnd Bergmann select SYS_SUPPORTS_LITTLE_ENDIAN 4171da177e4SLinus Torvalds help 4185e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 4195e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 420692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 4215e83d430SRalf Baechle Olivetti M700-10 workstations. 4225e83d430SRalf Baechle 423f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC 424de361e8bSPaul Burton bool "Ingenic SoC based machines" 425f0f4a753SPaul Cercueil select MIPS_GENERIC 426f0f4a753SPaul Cercueil select MACH_INGENIC 42780f2e4cdSGregory CLEMENT select MACH_GENERIC_CORE 428f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 429eb384937SPaul Cercueil select CPU_SUPPORTS_CPUFREQ 430eb384937SPaul Cercueil select MIPS_EXTERNAL_TIMER 4315ebabe59SLars-Peter Clausen 432171bb2f1SJohn Crispinconfig LANTIQ 433171bb2f1SJohn Crispin bool "Lantiq based platforms" 434171bb2f1SJohn Crispin select DMA_NONCOHERENT 43567e38cf2SRalf Baechle select IRQ_MIPS_CPU 436171bb2f1SJohn Crispin select CEVT_R4K 437171bb2f1SJohn Crispin select CSRC_R4K 438b74cc639SSander Vanheule select NO_EXCEPT_FILL 439171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 440171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 441171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 442171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 443377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 444171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 445f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 446171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 447d30a2b47SLinus Walleij select GPIOLIB 448171bb2f1SJohn Crispin select SWAP_IO_SPACE 449171bb2f1SJohn Crispin select BOOT_RAW 450bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 451a0392222SJohn Crispin select USE_OF 4523f8c50c9SJohn Crispin select PINCTRL 4533f8c50c9SJohn Crispin select PINCTRL_LANTIQ 454c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 455c530781cSJohn Crispin select RESET_CONTROLLER 456171bb2f1SJohn Crispin 45730ad29bbSHuacai Chenconfig MACH_LOONGSON32 458caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 459c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 460ade299d8SYoichi Yuasa help 46130ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 46285749d24SWu Zhangjin 46330ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 46430ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 46530ad29bbSHuacai Chen Sciences (CAS). 466ade299d8SYoichi Yuasa 46771e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 46871e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 469ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 470ca585cf9SKelvin Cheung help 47171e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 472ca585cf9SKelvin Cheung 47371e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 474caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 475edc0378eSJiaxun Yang select ARCH_DMA_DEFAULT_COHERENT 4766fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4776fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4786fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4796fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4806fbde6b4SJiaxun Yang select BOOT_ELF32 4816fbde6b4SJiaxun Yang select BOARD_SCACHE 4826fbde6b4SJiaxun Yang select CSRC_R4K 4836fbde6b4SJiaxun Yang select CEVT_R4K 484fa165f91SJiaxun Yang select SYNC_R4K 4856fbde6b4SJiaxun Yang select FORCE_PCI 4866fbde6b4SJiaxun Yang select ISA 4876fbde6b4SJiaxun Yang select I8259 4886fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4897d6d2837SJiaxun Yang select NO_EXCEPT_FILL 4905125bfeeSTiezhu Yang select NR_CPUS_DEFAULT_64 4916fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4926423e59aSJiaxun Yang select PCI_DRIVERS_GENERIC 4936fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4946fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4956fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4966fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4976fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4986fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4996fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 5006fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 50171e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 502a307a4ceSJinyang He select SYS_SUPPORTS_RELOCATABLE 5036fbde6b4SJiaxun Yang select ZONE_DMA32 50487fcfa7bSJiaxun Yang select COMMON_CLK 50587fcfa7bSJiaxun Yang select USE_OF 50687fcfa7bSJiaxun Yang select BUILTIN_DTB 50739c1485cSHuacai Chen select PCI_HOST_GENERIC 50871e2f4ddSJiaxun Yang help 509caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 510caed1d1bSHuacai Chen 511caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 512caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 513caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 514caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 515ca585cf9SKelvin Cheung 5161da177e4SLinus Torvaldsconfig MIPS_MALTA 5173fa986faSMartin Michlmayr bool "MIPS Malta board" 51861ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 519a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5207a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5211da177e4SLinus Torvalds select BOOT_ELF32 522fa71c960SRalf Baechle select BOOT_RAW 523e8823d26SPaul Burton select BUILTIN_DTB 52442f77542SRalf Baechle select CEVT_R4K 525fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 52642b002abSGuenter Roeck select COMMON_CLK 52747bf2b03SMaksym Kokhan select CSRC_R4K 528a86497d6SChristoph Hellwig select DMA_NONCOHERENT 5291da177e4SLinus Torvalds select GENERIC_ISA_DMA 5308a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 531eb01d42aSChristoph Hellwig select HAVE_PCI 532d865bea4SRalf Baechle select I8253 5331da177e4SLinus Torvalds select I8259 53447bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 5355e83d430SRalf Baechle select MIPS_BONITO64 5369318c51aSChris Dearman select MIPS_CPU_SCACHE 53747bf2b03SMaksym Kokhan select MIPS_GIC 538a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5395e83d430SRalf Baechle select MIPS_MSC 54047bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 541ecafe3e9SPaul Burton select SMP_UP if SMP 5421da177e4SLinus Torvalds select SWAP_IO_SPACE 5437cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5447cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 545bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 546c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 547575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5487cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5495d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 550575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5517cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5527cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 553ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 554ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5555e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 556c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5575e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 558424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 55947bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 560e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 561f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 56247bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5639693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 564f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5651b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 566e8823d26SPaul Burton select USE_OF 567886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 568abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5691da177e4SLinus Torvalds help 570f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5711da177e4SLinus Torvalds board. 5721da177e4SLinus Torvalds 5732572f00dSJoshua Hendersonconfig MACH_PIC32 5742572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5752572f00dSJoshua Henderson help 5762572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5772572f00dSJoshua Henderson 5782572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5792572f00dSJoshua Henderson microcontrollers. 5802572f00dSJoshua Henderson 581fbe0fae6SGregory CLEMENTconfig EYEQ 582fbe0fae6SGregory CLEMENT bool "Mobileye EyeQ SoC" 583101bd58fSGregory CLEMENT select MACH_GENERIC_CORE 584101bd58fSGregory CLEMENT select ARM_AMBA 585101bd58fSGregory CLEMENT select PHYSICAL_START_BOOL 586101bd58fSGregory CLEMENT select ARCH_SPARSEMEM_DEFAULT if 64BIT 587101bd58fSGregory CLEMENT select BOOT_RAW 588101bd58fSGregory CLEMENT select BUILTIN_DTB 589101bd58fSGregory CLEMENT select CEVT_R4K 590101bd58fSGregory CLEMENT select CLKSRC_MIPS_GIC 591101bd58fSGregory CLEMENT select COMMON_CLK 592101bd58fSGregory CLEMENT select CPU_MIPSR2_IRQ_EI 593101bd58fSGregory CLEMENT select CPU_MIPSR2_IRQ_VI 594101bd58fSGregory CLEMENT select CSRC_R4K 595101bd58fSGregory CLEMENT select DMA_NONCOHERENT 596101bd58fSGregory CLEMENT select HAVE_PCI 597101bd58fSGregory CLEMENT select IRQ_MIPS_CPU 598101bd58fSGregory CLEMENT select MIPS_AUTO_PFN_OFFSET 599101bd58fSGregory CLEMENT select MIPS_CPU_SCACHE 600101bd58fSGregory CLEMENT select MIPS_GIC 601101bd58fSGregory CLEMENT select MIPS_L1_CACHE_SHIFT_7 602101bd58fSGregory CLEMENT select PCI_DRIVERS_GENERIC 603101bd58fSGregory CLEMENT select SMP_UP if SMP 604101bd58fSGregory CLEMENT select SWAP_IO_SPACE 605101bd58fSGregory CLEMENT select SYS_HAS_CPU_MIPS64_R6 606101bd58fSGregory CLEMENT select SYS_SUPPORTS_64BIT_KERNEL 607101bd58fSGregory CLEMENT select SYS_SUPPORTS_HIGHMEM 608101bd58fSGregory CLEMENT select SYS_SUPPORTS_LITTLE_ENDIAN 609101bd58fSGregory CLEMENT select SYS_SUPPORTS_MIPS_CPS 610101bd58fSGregory CLEMENT select SYS_SUPPORTS_RELOCATABLE 611101bd58fSGregory CLEMENT select SYS_SUPPORTS_ZBOOT 612101bd58fSGregory CLEMENT select UHI_BOOT 613101bd58fSGregory CLEMENT select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 614101bd58fSGregory CLEMENT select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 615101bd58fSGregory CLEMENT select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 616101bd58fSGregory CLEMENT select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 617101bd58fSGregory CLEMENT select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 618101bd58fSGregory CLEMENT select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 619101bd58fSGregory CLEMENT select USE_OF 620101bd58fSGregory CLEMENT help 621fbe0fae6SGregory CLEMENT Select this to build a kernel supporting EyeQ SoC from Mobileye. 622101bd58fSGregory CLEMENT 623101bd58fSGregory CLEMENT bool 624101bd58fSGregory CLEMENT 625baec970aSLauri Kasanenconfig MACH_NINTENDO64 626baec970aSLauri Kasanen bool "Nintendo 64 console" 627baec970aSLauri Kasanen select CEVT_R4K 628baec970aSLauri Kasanen select CSRC_R4K 629baec970aSLauri Kasanen select SYS_HAS_CPU_R4300 630baec970aSLauri Kasanen select SYS_SUPPORTS_BIG_ENDIAN 631baec970aSLauri Kasanen select SYS_SUPPORTS_ZBOOT 632baec970aSLauri Kasanen select SYS_SUPPORTS_32BIT_KERNEL 633baec970aSLauri Kasanen select SYS_SUPPORTS_64BIT_KERNEL 634baec970aSLauri Kasanen select DMA_NONCOHERENT 635baec970aSLauri Kasanen select IRQ_MIPS_CPU 636baec970aSLauri Kasanen 637ae2b5bb6SJohn Crispinconfig RALINK 638ae2b5bb6SJohn Crispin bool "Ralink based machines" 639ae2b5bb6SJohn Crispin select CEVT_R4K 64035f752beSArnd Bergmann select COMMON_CLK 641ae2b5bb6SJohn Crispin select CSRC_R4K 642ae2b5bb6SJohn Crispin select BOOT_RAW 643ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 64467e38cf2SRalf Baechle select IRQ_MIPS_CPU 645ae2b5bb6SJohn Crispin select USE_OF 646ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 647ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 648ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 649377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 6501f0400d0SChuanhong Guo select SYS_SUPPORTS_ZBOOT 651ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 6522a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6532a153f1cSJohn Crispin select RESET_CONTROLLER 654ae2b5bb6SJohn Crispin 6554042147aSBert Vermeulenconfig MACH_REALTEK_RTL 6564042147aSBert Vermeulen bool "Realtek RTL838x/RTL839x based machines" 6574042147aSBert Vermeulen select MIPS_GENERIC 65880f2e4cdSGregory CLEMENT select MACH_GENERIC_CORE 6594042147aSBert Vermeulen select DMA_NONCOHERENT 6604042147aSBert Vermeulen select IRQ_MIPS_CPU 6614042147aSBert Vermeulen select CSRC_R4K 6624042147aSBert Vermeulen select CEVT_R4K 6634042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R1 6644042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R2 6654042147aSBert Vermeulen select SYS_SUPPORTS_BIG_ENDIAN 6664042147aSBert Vermeulen select SYS_SUPPORTS_32BIT_KERNEL 6674042147aSBert Vermeulen select SYS_SUPPORTS_MIPS16 6684042147aSBert Vermeulen select SYS_SUPPORTS_MULTITHREADING 6694042147aSBert Vermeulen select SYS_SUPPORTS_VPE_LOADER 6704042147aSBert Vermeulen select BOOT_RAW 6714042147aSBert Vermeulen select PINCTRL 6724042147aSBert Vermeulen select USE_OF 67362b8db3aSChris Packham select REALTEK_OTTO_TIMER 6744042147aSBert Vermeulen 6751da177e4SLinus Torvaldsconfig SGI_IP22 6763fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 677c0de00b2SThomas Bogendoerfer select ARC_MEMORY 67839b2d756SThomas Bogendoerfer select ARC_PROMLIB 6790e2794b0SRalf Baechle select FW_ARC 6800e2794b0SRalf Baechle select FW_ARC32 6817a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6821da177e4SLinus Torvalds select BOOT_ELF32 68342f77542SRalf Baechle select CEVT_R4K 684940f6b48SRalf Baechle select CSRC_R4K 685e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6861da177e4SLinus Torvalds select DMA_NONCOHERENT 6876630a8e5SChristoph Hellwig select HAVE_EISA 688d865bea4SRalf Baechle select I8253 68968de4803SThomas Bogendoerfer select I8259 6901da177e4SLinus Torvalds select IP22_CPU_SCACHE 69167e38cf2SRalf Baechle select IRQ_MIPS_CPU 692aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 693e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 694e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 69536e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 696e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 697e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 698e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6991da177e4SLinus Torvalds select SWAP_IO_SPACE 7007cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 7017cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 702c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 703ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 704ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7055e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 706802b8362SThomas Bogendoerfer select WAR_R4600_V1_INDEX_ICACHEOP 7075e5b6527SThomas Bogendoerfer select WAR_R4600_V1_HIT_CACHEOP 70844def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 709930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7101da177e4SLinus Torvalds help 7111da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 7121da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 7131da177e4SLinus Torvalds that runs on these, say Y here. 7141da177e4SLinus Torvalds 7151da177e4SLinus Torvaldsconfig SGI_IP27 7163fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 71754aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 718397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 7190e2794b0SRalf Baechle select FW_ARC 7200e2794b0SRalf Baechle select FW_ARC64 721e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 7225e83d430SRalf Baechle select BOOT_ELF64 723e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 72404100459SChristoph Hellwig select FORCE_PCI 72536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 726eb01d42aSChristoph Hellwig select HAVE_PCI 72769a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 728e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 729130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 730a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 731a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7327cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 733ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7345e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 735d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7361a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 737256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 738930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7396c86a302SMike Rapoport select NUMA 7401da177e4SLinus Torvalds help 7411da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7421da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7431da177e4SLinus Torvalds here. 7441da177e4SLinus Torvalds 745e2defae5SThomas Bogendoerferconfig SGI_IP28 7467d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 747c0de00b2SThomas Bogendoerfer select ARC_MEMORY 74839b2d756SThomas Bogendoerfer select ARC_PROMLIB 7490e2794b0SRalf Baechle select FW_ARC 7500e2794b0SRalf Baechle select FW_ARC64 7517a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 752e2defae5SThomas Bogendoerfer select BOOT_ELF64 753e2defae5SThomas Bogendoerfer select CEVT_R4K 754e2defae5SThomas Bogendoerfer select CSRC_R4K 755e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 756e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 757e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 75867e38cf2SRalf Baechle select IRQ_MIPS_CPU 7596630a8e5SChristoph Hellwig select HAVE_EISA 760e2defae5SThomas Bogendoerfer select I8253 761e2defae5SThomas Bogendoerfer select I8259 762e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 763e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7645b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 765e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 766e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 767e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 768e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 769e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 770c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 771e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 772e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 773256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 774dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 775e2defae5SThomas Bogendoerfer help 776e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 777e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 778e2defae5SThomas Bogendoerfer 7797505576dSThomas Bogendoerferconfig SGI_IP30 7807505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7817505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7827505576dSThomas Bogendoerfer select FW_ARC 7837505576dSThomas Bogendoerfer select FW_ARC64 7847505576dSThomas Bogendoerfer select BOOT_ELF64 7857505576dSThomas Bogendoerfer select CEVT_R4K 7867505576dSThomas Bogendoerfer select CSRC_R4K 78704100459SChristoph Hellwig select FORCE_PCI 7887505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7897505576dSThomas Bogendoerfer select ZONE_DMA32 7907505576dSThomas Bogendoerfer select HAVE_PCI 7917505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7927505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7937505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7947505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7957505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7967505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7977505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7987505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7997505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 800256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 8017505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 8027505576dSThomas Bogendoerfer select ARC_MEMORY 8037505576dSThomas Bogendoerfer help 8047505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 8057505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 8067505576dSThomas Bogendoerfer 8071da177e4SLinus Torvaldsconfig SGI_IP32 808cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 80939b2d756SThomas Bogendoerfer select ARC_MEMORY 81039b2d756SThomas Bogendoerfer select ARC_PROMLIB 81103df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 8120e2794b0SRalf Baechle select FW_ARC 8130e2794b0SRalf Baechle select FW_ARC32 8141da177e4SLinus Torvalds select BOOT_ELF32 81542f77542SRalf Baechle select CEVT_R4K 816940f6b48SRalf Baechle select CSRC_R4K 8171da177e4SLinus Torvalds select DMA_NONCOHERENT 818eb01d42aSChristoph Hellwig select HAVE_PCI 81967e38cf2SRalf Baechle select IRQ_MIPS_CPU 8201da177e4SLinus Torvalds select R5000_CPU_SCACHE 8211da177e4SLinus Torvalds select RM7000_CPU_SCACHE 8227cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 8237cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 8247cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 825dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 826ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 8275e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 828886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 8291da177e4SLinus Torvalds help 8301da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8311da177e4SLinus Torvalds 8325e83d430SRalf Baechleconfig SIBYTE_CRHONE 8333fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8345e83d430SRalf Baechle select BOOT_ELF32 8355e83d430SRalf Baechle select SIBYTE_BCM1125 8365e83d430SRalf Baechle select SWAP_IO_SPACE 8377cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8385e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8395e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8405e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8415e83d430SRalf Baechle 842ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 843ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 844ade299d8SYoichi Yuasa select BOOT_ELF32 84503452347SThomas Bogendoerfer select SIBYTE_SB1250 846ade299d8SYoichi Yuasa select SWAP_IO_SPACE 847ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 848ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 849ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 850ade299d8SYoichi Yuasa 851ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 852ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 853ade299d8SYoichi Yuasa select BOOT_ELF32 854fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 855ade299d8SYoichi Yuasa select SIBYTE_SB1250 856ade299d8SYoichi Yuasa select SWAP_IO_SPACE 857ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 858ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 859ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 860ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 861cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 862e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 863ade299d8SYoichi Yuasa 864ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 865ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 866ade299d8SYoichi Yuasa select BOOT_ELF32 867fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 868ade299d8SYoichi Yuasa select SIBYTE_SB1250 869ade299d8SYoichi Yuasa select SWAP_IO_SPACE 870ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 871ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 872ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 873ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 874756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 875ade299d8SYoichi Yuasa 876ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 877ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 878ade299d8SYoichi Yuasa select BOOT_ELF32 879ade299d8SYoichi Yuasa select SIBYTE_SB1250 880ade299d8SYoichi Yuasa select SWAP_IO_SPACE 881ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 882ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 883ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 884e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 885ade299d8SYoichi Yuasa 886ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 887ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 888ade299d8SYoichi Yuasa select BOOT_ELF32 889ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 890ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 891ade299d8SYoichi Yuasa select SWAP_IO_SPACE 892ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 893ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 894651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 895ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 896cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 897e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 898ade299d8SYoichi Yuasa 89914b36af4SThomas Bogendoerferconfig SNI_RM 90014b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 90139b2d756SThomas Bogendoerfer select ARC_MEMORY 90239b2d756SThomas Bogendoerfer select ARC_PROMLIB 9030e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 9040e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 905aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 9065e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 907a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 9087a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 9095e83d430SRalf Baechle select BOOT_ELF32 91042f77542SRalf Baechle select CEVT_R4K 911940f6b48SRalf Baechle select CSRC_R4K 912e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9135e83d430SRalf Baechle select DMA_NONCOHERENT 9145e83d430SRalf Baechle select GENERIC_ISA_DMA 9156630a8e5SChristoph Hellwig select HAVE_EISA 9168a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 917eb01d42aSChristoph Hellwig select HAVE_PCI 91867e38cf2SRalf Baechle select IRQ_MIPS_CPU 919d865bea4SRalf Baechle select I8253 9205e83d430SRalf Baechle select I8259 9215e83d430SRalf Baechle select ISA 922564c836fSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_6 9234a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9247cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9254a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 926c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9274a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 92836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 929ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9307d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9314a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9325e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9335e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 93444def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 9351da177e4SLinus Torvalds help 93614b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 93714b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9385e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9395e83d430SRalf Baechle support this machine type. 9401da177e4SLinus Torvalds 941edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 942edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 94324a1c023SThomas Bogendoerfer select WAR_TX49XX_ICACHE_INDEX_INV 94423fbee9dSRalf Baechle 94573b4390fSRalf Baechleconfig MIKROTIK_RB532 94673b4390fSRalf Baechle bool "Mikrotik RB532 boards" 94773b4390fSRalf Baechle select CEVT_R4K 94873b4390fSRalf Baechle select CSRC_R4K 94973b4390fSRalf Baechle select DMA_NONCOHERENT 950eb01d42aSChristoph Hellwig select HAVE_PCI 95167e38cf2SRalf Baechle select IRQ_MIPS_CPU 95273b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 95373b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 95473b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 95573b4390fSRalf Baechle select SWAP_IO_SPACE 95673b4390fSRalf Baechle select BOOT_RAW 957d30a2b47SLinus Walleij select GPIOLIB 958930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 95973b4390fSRalf Baechle help 96073b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 96173b4390fSRalf Baechle based on the IDT RC32434 SoC. 96273b4390fSRalf Baechle 9639ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9649ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 965a86c7f72SDavid Daney select CEVT_R4K 966ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9671753d50cSChristoph Hellwig select HAVE_RAPIDIO 968d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 969a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 970a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 971f65aad41SRalf Baechle select EDAC_SUPPORT 972b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 97373569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 97473569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 975a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9765e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 977eb01d42aSChristoph Hellwig select HAVE_PCI 97878bdbbacSMasahiro Yamada select HAVE_PLAT_DELAY 97978bdbbacSMasahiro Yamada select HAVE_PLAT_FW_INIT_CMDLINE 98078bdbbacSMasahiro Yamada select HAVE_PLAT_MEMCPY 981f00e001eSDavid Daney select ZONE_DMA32 982d30a2b47SLinus Walleij select GPIOLIB 9836e511163SDavid Daney select USE_OF 9846e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9856e511163SDavid Daney select SYS_SUPPORTS_SMP 9867820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9877820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 988e326479fSAndrew Bresticker select BUILTIN_DTB 989f766b28aSJulian Braha select MTD 9908c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 99109230cbcSChristoph Hellwig select SWIOTLB 9923ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 993a86c7f72SDavid Daney help 994a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 995a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 996a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 997a86c7f72SDavid Daney Some of the supported boards are: 998a86c7f72SDavid Daney EBT3000 999a86c7f72SDavid Daney EBH3000 1000a86c7f72SDavid Daney EBH3100 1001a86c7f72SDavid Daney Thunder 1002a86c7f72SDavid Daney Kodama 1003a86c7f72SDavid Daney Hikari 1004a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 1005a86c7f72SDavid Daney 10061da177e4SLinus Torvaldsendchoice 10071da177e4SLinus Torvalds 10089a88b338SMasahiro Yamadaconfig FIT_IMAGE_FDT_EPM5 10099a88b338SMasahiro Yamada bool "Include FDT for Mobileye EyeQ5 development platforms" 10109a88b338SMasahiro Yamada depends on MACH_EYEQ5 10119a88b338SMasahiro Yamada default n 10129a88b338SMasahiro Yamada help 10139a88b338SMasahiro Yamada Enable this to include the FDT for the EyeQ5 development platforms 10149a88b338SMasahiro Yamada from Mobileye in the FIT kernel image. 10159a88b338SMasahiro Yamada This requires u-boot on the platform. 10169a88b338SMasahiro Yamada 1017e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10183b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1019d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1020a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1021e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10228945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1023eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 1024a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig" 10255e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10268ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 1027fbe0fae6SGregory CLEMENTsource "arch/mips/mobileye/Kconfig" 10282572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1029ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 103029c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 103138b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 103222b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 1033a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 103471e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 103530ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 103630ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 103738b18f72SRalf Baechle 10385e83d430SRalf Baechleendmenu 10395e83d430SRalf Baechle 10403c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10413c9ee7efSAkinobu Mita bool 10423c9ee7efSAkinobu Mita default y 10433c9ee7efSAkinobu Mita 10441da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10451da177e4SLinus Torvalds bool 10461da177e4SLinus Torvalds default y 10471da177e4SLinus Torvalds 1048ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10491cc89038SAtsushi Nemoto bool 10501cc89038SAtsushi Nemoto default y 10511cc89038SAtsushi Nemoto 10521da177e4SLinus Torvalds# 10531da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10541da177e4SLinus Torvalds# 10550e2794b0SRalf Baechleconfig FW_ARC 10561da177e4SLinus Torvalds bool 10571da177e4SLinus Torvalds 105861ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 105961ed242dSRalf Baechle bool 106061ed242dSRalf Baechle 10619267a30dSMarc St-Jeanconfig BOOT_RAW 10629267a30dSMarc St-Jean bool 10639267a30dSMarc St-Jean 1064217dd11eSRalf Baechleconfig CEVT_BCM1480 1065217dd11eSRalf Baechle bool 1066217dd11eSRalf Baechle 10676457d9fcSYoichi Yuasaconfig CEVT_DS1287 10686457d9fcSYoichi Yuasa bool 10696457d9fcSYoichi Yuasa 10701097c6acSYoichi Yuasaconfig CEVT_GT641XX 10711097c6acSYoichi Yuasa bool 10721097c6acSYoichi Yuasa 107342f77542SRalf Baechleconfig CEVT_R4K 107442f77542SRalf Baechle bool 107542f77542SRalf Baechle 1076217dd11eSRalf Baechleconfig CEVT_SB1250 1077217dd11eSRalf Baechle bool 1078217dd11eSRalf Baechle 1079229f773eSAtsushi Nemotoconfig CEVT_TXX9 1080229f773eSAtsushi Nemoto bool 1081229f773eSAtsushi Nemoto 1082217dd11eSRalf Baechleconfig CSRC_BCM1480 1083217dd11eSRalf Baechle bool 1084217dd11eSRalf Baechle 10854247417dSYoichi Yuasaconfig CSRC_IOASIC 10864247417dSYoichi Yuasa bool 10874247417dSYoichi Yuasa 1088940f6b48SRalf Baechleconfig CSRC_R4K 108938586428SSerge Semin select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1090940f6b48SRalf Baechle bool 1091940f6b48SRalf Baechle 1092217dd11eSRalf Baechleconfig CSRC_SB1250 1093217dd11eSRalf Baechle bool 1094217dd11eSRalf Baechle 1095a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1096a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1097a7f4df4eSAlex Smith 1098a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1099d30a2b47SLinus Walleij select GPIOLIB 1100a9aec7feSAtsushi Nemoto bool 1101a9aec7feSAtsushi Nemoto 11020e2794b0SRalf Baechleconfig FW_CFE 1103df78b5c8SAurelien Jarno bool 1104df78b5c8SAurelien Jarno 110540e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 1106f5748b8cSTiezhu Yang def_bool y 110740e084a5SRalf Baechle 11081da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11091da177e4SLinus Torvalds bool 1110db91427bSChristoph Hellwig # 1111db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1112db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1113db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1114db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1115db91427bSChristoph Hellwig # significant advantages. 1116db91427bSChristoph Hellwig # 11176be87d61SJiaxun Yang select ARCH_HAS_SETUP_DMA_OPS 1118419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1119fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_PREP_COHERENT 1120e0b7fd12SJiaxun Yang select ARCH_HAS_SYNC_DMA_FOR_CPU 1121f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1122fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_SET_UNCACHED 112334dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 112434dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 11254ce588cdSRalf Baechle 112636a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11271da177e4SLinus Torvalds bool 11281da177e4SLinus Torvalds 11291b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1130dbb74540SRalf Baechle bool 1131dbb74540SRalf Baechle 11321da177e4SLinus Torvaldsconfig MIPS_BONITO64 11331da177e4SLinus Torvalds bool 11341da177e4SLinus Torvalds 11351da177e4SLinus Torvaldsconfig MIPS_MSC 11361da177e4SLinus Torvalds bool 11371da177e4SLinus Torvalds 113839b8d525SRalf Baechleconfig SYNC_R4K 113939b8d525SRalf Baechle bool 114039b8d525SRalf Baechle 1141ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1142d388d685SMaciej W. Rozycki def_bool n 1143d388d685SMaciej W. Rozycki 11444e0748f5SMarkos Chandrasconfig GENERIC_CSUM 114518d84e2eSAlexander Lobakin def_bool CPU_NO_LOAD_STORE_LR 11464e0748f5SMarkos Chandras 11478313da30SRalf Baechleconfig GENERIC_ISA_DMA 11488313da30SRalf Baechle bool 11498313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1150a35bee8aSNamhyung Kim select ISA_DMA_API 11518313da30SRalf Baechle 1152aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1153aa414dffSRalf Baechle bool 11548313da30SRalf Baechle select GENERIC_ISA_DMA 1155aa414dffSRalf Baechle 115678bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY 115778bdbbacSMasahiro Yamada bool 115878bdbbacSMasahiro Yamada 115978bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE 116078bdbbacSMasahiro Yamada bool 116178bdbbacSMasahiro Yamada 116278bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY 116378bdbbacSMasahiro Yamada bool 116478bdbbacSMasahiro Yamada 1165a35bee8aSNamhyung Kimconfig ISA_DMA_API 1166a35bee8aSNamhyung Kim bool 1167a35bee8aSNamhyung Kim 11688c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11698c530ea3SMatt Redfearn bool 11708c530ea3SMatt Redfearn help 11718c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11728c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11738c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11748c530ea3SMatt Redfearn 11755e83d430SRalf Baechle# 11766b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11775e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11785e83d430SRalf Baechle# choice statement should be more obvious to the user. 11795e83d430SRalf Baechle# 11805e83d430SRalf Baechlechoice 11816b2aac42SMasanari Iida prompt "Endianness selection" 11821da177e4SLinus Torvalds help 11831da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11845e83d430SRalf Baechle byte order. These modes require different kernels and a different 11853cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11865e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11873dde6ad8SDavid Sterba one or the other endianness. 11885e83d430SRalf Baechle 11895e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11905e83d430SRalf Baechle bool "Big endian" 11915e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11925e83d430SRalf Baechle 11935e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11945e83d430SRalf Baechle bool "Little endian" 11955e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11965e83d430SRalf Baechle 11975e83d430SRalf Baechleendchoice 11985e83d430SRalf Baechle 119922b0763aSDavid Daneyconfig EXPORT_UASM 120022b0763aSDavid Daney bool 120122b0763aSDavid Daney 12022116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12032116245eSRalf Baechle bool 12042116245eSRalf Baechle 12055e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12065e83d430SRalf Baechle bool 12075e83d430SRalf Baechle 12085e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12095e83d430SRalf Baechle bool 12101da177e4SLinus Torvalds 1211aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1212aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1213aa1762f4SDavid Daney 12148420fd00SAtsushi Nemotoconfig IRQ_TXX9 12158420fd00SAtsushi Nemoto bool 12168420fd00SAtsushi Nemoto 1217d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1218d5ab1a69SYoichi Yuasa bool 1219d5ab1a69SYoichi Yuasa 1220252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12211da177e4SLinus Torvalds bool 12221da177e4SLinus Torvalds 1223a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1224a57140e9SThomas Bogendoerfer bool 1225a57140e9SThomas Bogendoerfer 12269267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12279267a30dSMarc St-Jean bool 12289267a30dSMarc St-Jean 1229a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1230a7e07b1aSMarkos Chandras bool 1231a7e07b1aSMarkos Chandras 12321da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12331da177e4SLinus Torvalds bool 12341da177e4SLinus Torvalds 1235e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1236e2defae5SThomas Bogendoerfer bool 1237e2defae5SThomas Bogendoerfer 12385b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12395b438c44SThomas Bogendoerfer bool 12405b438c44SThomas Bogendoerfer 1241e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1242e2defae5SThomas Bogendoerfer bool 1243e2defae5SThomas Bogendoerfer 1244e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1245e2defae5SThomas Bogendoerfer bool 1246e2defae5SThomas Bogendoerfer 1247e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1248e2defae5SThomas Bogendoerfer bool 1249e2defae5SThomas Bogendoerfer 1250e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1251e2defae5SThomas Bogendoerfer bool 1252e2defae5SThomas Bogendoerfer 1253e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1254e2defae5SThomas Bogendoerfer bool 1255e2defae5SThomas Bogendoerfer 12560e2794b0SRalf Baechleconfig FW_ARC32 12575e83d430SRalf Baechle bool 12585e83d430SRalf Baechle 1259aaa9fad3SPaul Bolleconfig FW_SNIPROM 1260231a35d3SThomas Bogendoerfer bool 1261231a35d3SThomas Bogendoerfer 12621da177e4SLinus Torvaldsconfig BOOT_ELF32 12631da177e4SLinus Torvalds bool 12641da177e4SLinus Torvalds 1265930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1266930beb5aSFlorian Fainelli bool 1267930beb5aSFlorian Fainelli 1268930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1269930beb5aSFlorian Fainelli bool 1270930beb5aSFlorian Fainelli 1271930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1272930beb5aSFlorian Fainelli bool 1273930beb5aSFlorian Fainelli 1274930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1275930beb5aSFlorian Fainelli bool 1276930beb5aSFlorian Fainelli 12771da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12781da177e4SLinus Torvalds int 1279a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12805432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 12815432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 12825432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 12831da177e4SLinus Torvalds default "5" 12841da177e4SLinus Torvalds 1285e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1286e9422427SThomas Bogendoerfer bool 1287e9422427SThomas Bogendoerfer 12881da177e4SLinus Torvaldsconfig ARC_CONSOLE 12891da177e4SLinus Torvalds bool "ARC console support" 1290e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12911da177e4SLinus Torvalds 12921da177e4SLinus Torvaldsconfig ARC_MEMORY 12931da177e4SLinus Torvalds bool 12941da177e4SLinus Torvalds 12951da177e4SLinus Torvaldsconfig ARC_PROMLIB 12961da177e4SLinus Torvalds bool 12971da177e4SLinus Torvalds 12980e2794b0SRalf Baechleconfig FW_ARC64 12991da177e4SLinus Torvalds bool 13001da177e4SLinus Torvalds 13011da177e4SLinus Torvaldsconfig BOOT_ELF64 13021da177e4SLinus Torvalds bool 13031da177e4SLinus Torvalds 13041da177e4SLinus Torvaldsmenu "CPU selection" 13051da177e4SLinus Torvalds 13061da177e4SLinus Torvaldschoice 13071da177e4SLinus Torvalds prompt "CPU type" 13081da177e4SLinus Torvalds default CPU_R4X00 13091da177e4SLinus Torvalds 1310268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1311caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1312268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1313d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 131451522217SJiaxun Yang select CPU_MIPSR2 131551522217SJiaxun Yang select CPU_HAS_PREFETCH 13160e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13170e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13180e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13197507445bSHuacai Chen select CPU_SUPPORTS_MSA 1320a6d54338SPaolo Bonzini select CPU_SUPPORTS_VZ 132151522217SJiaxun Yang select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 132251522217SJiaxun Yang select CPU_MIPSR2_IRQ_VI 1323edc0378eSJiaxun Yang select DMA_NONCOHERENT 13240e476d91SHuacai Chen select WEAK_ORDERING 13250e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 13267507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1327b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 132817c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 13297f3b3c2bSJackie Liu select MIPS_FP_SUPPORT 1330d30a2b47SLinus Walleij select GPIOLIB 133109230cbcSChristoph Hellwig select SWIOTLB 13320e476d91SHuacai Chen help 1333caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1334caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1335caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1336caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1337caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 13380e476d91SHuacai Chen 13393702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13403702bba5SWu Zhangjin bool "Loongson 2E" 13413702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1342268a2d60SJiaxun Yang select CPU_LOONGSON2EF 13432a21c730SFuxin Zhang help 13442a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13452a21c730SFuxin Zhang with many extensions. 13462a21c730SFuxin Zhang 134725985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13486f7a251aSWu Zhangjin bonito64. 13496f7a251aSWu Zhangjin 13506f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13516f7a251aSWu Zhangjin bool "Loongson 2F" 13526f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1353268a2d60SJiaxun Yang select CPU_LOONGSON2EF 13546f7a251aSWu Zhangjin help 13556f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13566f7a251aSWu Zhangjin with many extensions. 13576f7a251aSWu Zhangjin 13586f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13596f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13606f7a251aSWu Zhangjin Loongson2E. 13616f7a251aSWu Zhangjin 1362ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1363ca585cf9SKelvin Cheung bool "Loongson 1B" 1364ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1365b2afb64cSHuacai Chen select CPU_LOONGSON32 13669ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1367ca585cf9SKelvin Cheung help 1368ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1369968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1370968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1371ca585cf9SKelvin Cheung 137212e3280bSYang Lingconfig CPU_LOONGSON1C 137312e3280bSYang Ling bool "Loongson 1C" 137412e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1375b2afb64cSHuacai Chen select CPU_LOONGSON32 137612e3280bSYang Ling select LEDS_GPIO_REGISTER 137712e3280bSYang Ling help 137812e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1379968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1380968dc5a0S谢致邦 (XIE Zhibang) instruction set. 138112e3280bSYang Ling 13826e760c8dSRalf Baechleconfig CPU_MIPS32_R1 13836e760c8dSRalf Baechle bool "MIPS32 Release 1" 13847cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 13856e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1386797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1387ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13886e760c8dSRalf Baechle help 13895e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 13901e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13911e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13921e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13931e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13941e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 13951e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 13961e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 13971e5f1caaSRalf Baechle performance. 13981e5f1caaSRalf Baechle 13991e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14001e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14017cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14021e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1403797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1404ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1405a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14061e5f1caaSRalf Baechle help 14075e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14086e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14096e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14106e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14116e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14121da177e4SLinus Torvalds 1413ab7c01fdSSerge Seminconfig CPU_MIPS32_R5 1414ab7c01fdSSerge Semin bool "MIPS32 Release 5" 1415ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS32_R5 1416ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1417ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1418ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1419ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1420a6d54338SPaolo Bonzini select CPU_SUPPORTS_VZ 1421ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT 1422ab7c01fdSSerge Semin help 1423ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1424ab7c01fdSSerge Semin MIPS32 architecture. New MIPS processors, starting with the Warrior 1425ab7c01fdSSerge Semin family, are based on a MIPS32r5 processor. If you own an older 1426ab7c01fdSSerge Semin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1427ab7c01fdSSerge Semin 14287fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1429674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14307fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14317fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 143218d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 14337fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14347fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14357fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 1436a6d54338SPaolo Bonzini select CPU_SUPPORTS_VZ 14377fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14387fd08ca5SLeonid Yegoshin help 14397fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14407fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14417fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14427fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14437fd08ca5SLeonid Yegoshin 14446e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14456e760c8dSRalf Baechle bool "MIPS64 Release 1" 14467cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1447797798c1SRalf Baechle select CPU_HAS_PREFETCH 1448ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1449ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1450ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14519cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14526e760c8dSRalf Baechle help 14536e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14546e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14556e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14566e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14576e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14581e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14591e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14601e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14611e5f1caaSRalf Baechle performance. 14621e5f1caaSRalf Baechle 14631e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 14641e5f1caaSRalf Baechle bool "MIPS64 Release 2" 14657cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1466797798c1SRalf Baechle select CPU_HAS_PREFETCH 14671e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14681e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1469ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14709cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1471a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14721e5f1caaSRalf Baechle help 14731e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 14741e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14751e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14761e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14771e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14781da177e4SLinus Torvalds 1479ab7c01fdSSerge Seminconfig CPU_MIPS64_R5 1480ab7c01fdSSerge Semin bool "MIPS64 Release 5" 1481ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS64_R5 1482ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1483ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1484ab7c01fdSSerge Semin select CPU_SUPPORTS_64BIT_KERNEL 1485ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1486ab7c01fdSSerge Semin select CPU_SUPPORTS_HUGEPAGES 1487ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1488ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1489a6d54338SPaolo Bonzini select CPU_SUPPORTS_VZ 1490ab7c01fdSSerge Semin help 1491ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1492ab7c01fdSSerge Semin MIPS64 architecture. This is a intermediate MIPS architecture 1493ab7c01fdSSerge Semin release partly implementing release 6 features. Though there is no 1494ab7c01fdSSerge Semin any hardware known to be based on this release. 1495ab7c01fdSSerge Semin 14967fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1497674d10e2SMarkos Chandras bool "MIPS64 Release 6" 14987fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 14997fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 150018d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 15017fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15027fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15037fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1504afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 15057fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15062e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1507a6d54338SPaolo Bonzini select CPU_SUPPORTS_VZ 15087fd08ca5SLeonid Yegoshin help 15097fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15107fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15117fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15127fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15137fd08ca5SLeonid Yegoshin 1514281e3aeaSSerge Seminconfig CPU_P5600 1515281e3aeaSSerge Semin bool "MIPS Warrior P5600" 1516281e3aeaSSerge Semin depends on SYS_HAS_CPU_P5600 1517281e3aeaSSerge Semin select CPU_HAS_PREFETCH 1518281e3aeaSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1519281e3aeaSSerge Semin select CPU_SUPPORTS_HIGHMEM 1520281e3aeaSSerge Semin select CPU_SUPPORTS_MSA 1521281e3aeaSSerge Semin select CPU_SUPPORTS_CPUFREQ 1522a6d54338SPaolo Bonzini select CPU_SUPPORTS_VZ 1523281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_VI 1524281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_EI 1525281e3aeaSSerge Semin select MIPS_O32_FP64_SUPPORT 1526281e3aeaSSerge Semin help 1527281e3aeaSSerge Semin Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1528281e3aeaSSerge Semin It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1529281e3aeaSSerge Semin MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1530281e3aeaSSerge Semin level features like up to six P5600 calculation cores, CM2 with L2 1531281e3aeaSSerge Semin cache, IOCU/IOMMU (though might be unused depending on the system- 1532281e3aeaSSerge Semin specific IP core configuration), GIC, CPC, virtualisation module, 1533281e3aeaSSerge Semin eJTAG and PDtrace. 1534281e3aeaSSerge Semin 15351da177e4SLinus Torvaldsconfig CPU_R3000 15361da177e4SLinus Torvalds bool "R3000" 15377cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1538f7062ddbSRalf Baechle select CPU_HAS_WB 153954746829SPaul Burton select CPU_R3K_TLB 1540ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1541797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15421da177e4SLinus Torvalds help 15431da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15441da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15451da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15461da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15471da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15481da177e4SLinus Torvalds try to recompile with R3000. 15491da177e4SLinus Torvalds 155065ce6197SLauri Kasanenconfig CPU_R4300 155165ce6197SLauri Kasanen bool "R4300" 155265ce6197SLauri Kasanen depends on SYS_HAS_CPU_R4300 155365ce6197SLauri Kasanen select CPU_SUPPORTS_32BIT_KERNEL 155465ce6197SLauri Kasanen select CPU_SUPPORTS_64BIT_KERNEL 155565ce6197SLauri Kasanen help 155665ce6197SLauri Kasanen MIPS Technologies R4300-series processors. 155765ce6197SLauri Kasanen 15581da177e4SLinus Torvaldsconfig CPU_R4X00 15591da177e4SLinus Torvalds bool "R4x00" 15607cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1561ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1562ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1563970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15641da177e4SLinus Torvalds help 15651da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15661da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15671da177e4SLinus Torvalds 15681da177e4SLinus Torvaldsconfig CPU_TX49XX 15691da177e4SLinus Torvalds bool "R49XX" 15707cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1571de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1572ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1573ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1574970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15751da177e4SLinus Torvalds 15761da177e4SLinus Torvaldsconfig CPU_R5000 15771da177e4SLinus Torvalds bool "R5000" 15787cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1579ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1580ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1581970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15821da177e4SLinus Torvalds help 15831da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 15841da177e4SLinus Torvalds 1585542c1020SShinya Kuribayashiconfig CPU_R5500 1586542c1020SShinya Kuribayashi bool "R5500" 1587542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1588542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1589542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 15909cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1591542c1020SShinya Kuribayashi help 1592542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1593542c1020SShinya Kuribayashi instruction set. 1594542c1020SShinya Kuribayashi 15951da177e4SLinus Torvaldsconfig CPU_NEVADA 15961da177e4SLinus Torvalds bool "RM52xx" 15977cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1598ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1599ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1600970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16011da177e4SLinus Torvalds help 16021da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16031da177e4SLinus Torvalds 16041da177e4SLinus Torvaldsconfig CPU_R10000 16051da177e4SLinus Torvalds bool "R10000" 16067cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16075e83d430SRalf Baechle select CPU_HAS_PREFETCH 1608ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1609ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1610797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1611970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16121da177e4SLinus Torvalds help 16131da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16141da177e4SLinus Torvalds 16151da177e4SLinus Torvaldsconfig CPU_RM7000 16161da177e4SLinus Torvalds bool "RM7000" 16177cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16185e83d430SRalf Baechle select CPU_HAS_PREFETCH 1619ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1620ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1621797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1622970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16231da177e4SLinus Torvalds 16241da177e4SLinus Torvaldsconfig CPU_SB1 16251da177e4SLinus Torvalds bool "SB1" 16267cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1627ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1628ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1629797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1630970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16310004a9dfSRalf Baechle select WEAK_ORDERING 16321da177e4SLinus Torvalds 1633a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1634a86c7f72SDavid Daney bool "Cavium Octeon processor" 16355e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1636a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1637a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1638ba89f9c8SArnd Bergmann select HAVE_PAGE_SIZE_8KB if !MIPS_VA_BITS_48 1639ba89f9c8SArnd Bergmann select HAVE_PAGE_SIZE_32KB if !MIPS_VA_BITS_48 1640a86c7f72SDavid Daney select WEAK_ORDERING 1641a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16429cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1643df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1644df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1645930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1646a6d54338SPaolo Bonzini select CPU_SUPPORTS_VZ 1647a86c7f72SDavid Daney help 1648a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1649a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1650a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1651a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1652a86c7f72SDavid Daney 1653cd746249SJonas Gorskiconfig CPU_BMIPS 1654cd746249SJonas Gorski bool "Broadcom BMIPS" 1655cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1656cd746249SJonas Gorski select CPU_MIPS32 1657fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1658cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1659cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1660cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1661cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1662cd746249SJonas Gorski select DMA_NONCOHERENT 166367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1664cd746249SJonas Gorski select SWAP_IO_SPACE 1665cd746249SJonas Gorski select WEAK_ORDERING 1666c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 166769aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1668a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1669a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1670bf8bde41SFlorian Fainelli select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 1671c1c0c461SKevin Cernekee help 1672fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1673c1c0c461SKevin Cernekee 16741da177e4SLinus Torvaldsendchoice 16751da177e4SLinus Torvalds 16765033ad56SMasahiro Yamadaconfig LOONGSON3_ENHANCEMENT 16775033ad56SMasahiro Yamada bool "New Loongson-3 CPU Enhancements" 16785033ad56SMasahiro Yamada default n 16795033ad56SMasahiro Yamada depends on CPU_LOONGSON64 16805033ad56SMasahiro Yamada help 16815033ad56SMasahiro Yamada New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 16825033ad56SMasahiro Yamada R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 16835033ad56SMasahiro Yamada FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 16845033ad56SMasahiro Yamada Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 16855033ad56SMasahiro Yamada Fast TLB refill support, etc. 16865033ad56SMasahiro Yamada 16875033ad56SMasahiro Yamada This option enable those enhancements which are not probed at run 16885033ad56SMasahiro Yamada time. If you want a generic kernel to run on all Loongson 3 machines, 16895033ad56SMasahiro Yamada please say 'N' here. If you want a high-performance kernel to run on 16905033ad56SMasahiro Yamada new Loongson-3 machines only, please say 'Y' here. 16915033ad56SMasahiro Yamada 16925033ad56SMasahiro Yamadaconfig CPU_LOONGSON3_WORKAROUNDS 16935033ad56SMasahiro Yamada bool "Loongson-3 LLSC Workarounds" 16945033ad56SMasahiro Yamada default y if SMP 16955033ad56SMasahiro Yamada depends on CPU_LOONGSON64 16965033ad56SMasahiro Yamada help 16975033ad56SMasahiro Yamada Loongson-3 processors have the llsc issues which require workarounds. 16985033ad56SMasahiro Yamada Without workarounds the system may hang unexpectedly. 16995033ad56SMasahiro Yamada 17005033ad56SMasahiro Yamada Say Y, unless you know what you are doing. 17015033ad56SMasahiro Yamada 17025033ad56SMasahiro Yamadaconfig CPU_LOONGSON3_CPUCFG_EMULATION 17035033ad56SMasahiro Yamada bool "Emulate the CPUCFG instruction on older Loongson cores" 17045033ad56SMasahiro Yamada default y 17055033ad56SMasahiro Yamada depends on CPU_LOONGSON64 17065033ad56SMasahiro Yamada help 17075033ad56SMasahiro Yamada Loongson-3A R4 and newer have the CPUCFG instruction available for 17085033ad56SMasahiro Yamada userland to query CPU capabilities, much like CPUID on x86. This 17095033ad56SMasahiro Yamada option provides emulation of the instruction on older Loongson 17105033ad56SMasahiro Yamada cores, back to Loongson-3A1000. 17115033ad56SMasahiro Yamada 17125033ad56SMasahiro Yamada If unsure, please say Y. 17135033ad56SMasahiro Yamada 1714a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1715a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1716a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1717281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1718281e3aeaSSerge Semin CPU_P5600 1719a6e18781SLeonid Yegoshin help 1720a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1721a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1722a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1723a6e18781SLeonid Yegoshin 1724a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1725a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1726a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1727a6e18781SLeonid Yegoshin select EVA 1728a6e18781SLeonid Yegoshin default y 1729a6e18781SLeonid Yegoshin help 1730a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1731a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1732a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1733a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1734a6e18781SLeonid Yegoshin 1735c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1736c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1737c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1738281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1739c5b36783SSteven J. Hill help 1740c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1741c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1742c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1743c5b36783SSteven J. Hill 1744c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1745c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1746c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1747c5b36783SSteven J. Hill depends on !EVA 1748c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1749c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1750c5b36783SSteven J. Hill select XPA 1751c5b36783SSteven J. Hill select HIGHMEM 1752d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1753c5b36783SSteven J. Hill default n 1754c5b36783SSteven J. Hill help 1755c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1756c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1757c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1758c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1759c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1760c5b36783SSteven J. Hill If unsure, say 'N' here. 1761c5b36783SSteven J. Hill 1762622844bfSWu Zhangjinif CPU_LOONGSON2F 1763622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1764622844bfSWu Zhangjin bool 1765622844bfSWu Zhangjin 1766622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1767622844bfSWu Zhangjin bool 1768622844bfSWu Zhangjin 1769622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1770622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1771622844bfSWu Zhangjin default y 1772622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1773622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1774622844bfSWu Zhangjin help 1775622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1776622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1777622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1778622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1779622844bfSWu Zhangjin 1780622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1781622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1782622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1783622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1784622844bfSWu Zhangjin systems. 1785622844bfSWu Zhangjin 1786622844bfSWu Zhangjin If unsure, please say Y. 1787622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1788622844bfSWu Zhangjin 17891b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 17901b93b3c3SWu Zhangjin bool 17911b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 17921b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 179331c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 17941b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1795fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 17964e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 1797a510b616SPaul Cercueil select HAVE_KERNEL_ZSTD 17981b93b3c3SWu Zhangjin 17991b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18001b93b3c3SWu Zhangjin bool 18011b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18021b93b3c3SWu Zhangjin 1803dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1804dbb98314SAlban Bedel bool 1805dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1806dbb98314SAlban Bedel 1807268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 18083702bba5SWu Zhangjin bool 18093702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18103702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18113702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1812970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18133702bba5SWu Zhangjin 1814b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1815ca585cf9SKelvin Cheung bool 1816ca585cf9SKelvin Cheung select CPU_MIPS32 18177e280f6bSJiaxun Yang select CPU_MIPSR2 1818ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1819ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1820ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1821f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1822ca585cf9SKelvin Cheung 1823fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 182404fa8bf7SJonas Gorski select SMP_UP if SMP 18251bbb6c1bSKevin Cernekee bool 1826cd746249SJonas Gorski 1827cd746249SJonas Gorskiconfig CPU_BMIPS4350 1828cd746249SJonas Gorski bool 1829cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1830cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1831cd746249SJonas Gorski 1832cd746249SJonas Gorskiconfig CPU_BMIPS4380 1833cd746249SJonas Gorski bool 1834bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1835cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1836cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1837b4720809SFlorian Fainelli select CPU_HAS_RIXI 1838cd746249SJonas Gorski 1839cd746249SJonas Gorskiconfig CPU_BMIPS5000 1840cd746249SJonas Gorski bool 1841cd746249SJonas Gorski select MIPS_CPU_SCACHE 1842bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1843cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1844cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1845b4720809SFlorian Fainelli select CPU_HAS_RIXI 18461bbb6c1bSKevin Cernekee 1847268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 18480e476d91SHuacai Chen bool 18490e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1850b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18510e476d91SHuacai Chen 18523702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18532a21c730SFuxin Zhang bool 18542a21c730SFuxin Zhang 18556f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18566f7a251aSWu Zhangjin bool 185755045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 185855045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 18596f7a251aSWu Zhangjin 1860ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1861ca585cf9SKelvin Cheung bool 1862ca585cf9SKelvin Cheung 186312e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 186412e3280bSYang Ling bool 186512e3280bSYang Ling 18667cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18677cf8053bSRalf Baechle bool 18687cf8053bSRalf Baechle 18697cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18707cf8053bSRalf Baechle bool 18717cf8053bSRalf Baechle 1872a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1873a6e18781SLeonid Yegoshin bool 1874a6e18781SLeonid Yegoshin 1875c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1876c5b36783SSteven J. Hill bool 1877c5b36783SSteven J. Hill 18787fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 18797fd08ca5SLeonid Yegoshin bool 18807fd08ca5SLeonid Yegoshin 18817cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 18827cf8053bSRalf Baechle bool 18837cf8053bSRalf Baechle 18847cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 18857cf8053bSRalf Baechle bool 18867cf8053bSRalf Baechle 1887fd4eb90bSLukas Bulwahnconfig SYS_HAS_CPU_MIPS64_R5 1888fd4eb90bSLukas Bulwahn bool 1889fd4eb90bSLukas Bulwahn 18907fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 18917fd08ca5SLeonid Yegoshin bool 18927fd08ca5SLeonid Yegoshin 1893281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600 1894281e3aeaSSerge Semin bool 1895281e3aeaSSerge Semin 18967cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 18977cf8053bSRalf Baechle bool 18987cf8053bSRalf Baechle 189965ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300 190065ce6197SLauri Kasanen bool 190165ce6197SLauri Kasanen 19027cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19037cf8053bSRalf Baechle bool 19047cf8053bSRalf Baechle 19057cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19067cf8053bSRalf Baechle bool 19077cf8053bSRalf Baechle 19087cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19097cf8053bSRalf Baechle bool 19107cf8053bSRalf Baechle 1911542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1912542c1020SShinya Kuribayashi bool 1913542c1020SShinya Kuribayashi 19147cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19157cf8053bSRalf Baechle bool 19167cf8053bSRalf Baechle 19177cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19187cf8053bSRalf Baechle bool 19197cf8053bSRalf Baechle 19207cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19217cf8053bSRalf Baechle bool 19227cf8053bSRalf Baechle 19237cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19247cf8053bSRalf Baechle bool 19257cf8053bSRalf Baechle 19265e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19275e683389SDavid Daney bool 19285e683389SDavid Daney 1929cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1930c1c0c461SKevin Cernekee bool 1931c1c0c461SKevin Cernekee 1932fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1933c1c0c461SKevin Cernekee bool 1934cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1935c1c0c461SKevin Cernekee 1936c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1937c1c0c461SKevin Cernekee bool 1938cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1939c1c0c461SKevin Cernekee 1940c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1941c1c0c461SKevin Cernekee bool 1942cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1943c1c0c461SKevin Cernekee 1944c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1945c1c0c461SKevin Cernekee bool 1946cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1947c1c0c461SKevin Cernekee 194817099b11SRalf Baechle# 194917099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 195017099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 195117099b11SRalf Baechle# 19520004a9dfSRalf Baechleconfig WEAK_ORDERING 19530004a9dfSRalf Baechle bool 195417099b11SRalf Baechle 195517099b11SRalf Baechle# 195617099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 195717099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 195817099b11SRalf Baechle# 195917099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 196017099b11SRalf Baechle bool 19615e83d430SRalf Baechleendmenu 19625e83d430SRalf Baechle 19635e83d430SRalf Baechle# 19645e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19655e83d430SRalf Baechle# 19665e83d430SRalf Baechleconfig CPU_MIPS32 19675e83d430SRalf Baechle bool 1968ab7c01fdSSerge Semin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 1969281e3aeaSSerge Semin CPU_MIPS32_R6 || CPU_P5600 19705e83d430SRalf Baechle 19715e83d430SRalf Baechleconfig CPU_MIPS64 19725e83d430SRalf Baechle bool 1973ab7c01fdSSerge Semin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 19745a4fa44fSJason A. Donenfeld CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON 19755e83d430SRalf Baechle 19765e83d430SRalf Baechle# 197757eeacedSPaul Burton# These indicate the revision of the architecture 19785e83d430SRalf Baechle# 19795e83d430SRalf Baechleconfig CPU_MIPSR1 19805e83d430SRalf Baechle bool 19815e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 19825e83d430SRalf Baechle 19835e83d430SRalf Baechleconfig CPU_MIPSR2 19845e83d430SRalf Baechle bool 1985a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 19868256b17eSFlorian Fainelli select CPU_HAS_RIXI 1987ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 1988a7e07b1aSMarkos Chandras select MIPS_SPRAM 19895e83d430SRalf Baechle 1990ab7c01fdSSerge Seminconfig CPU_MIPSR5 1991ab7c01fdSSerge Semin bool 1992281e3aeaSSerge Semin default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 1993ab7c01fdSSerge Semin select CPU_HAS_RIXI 1994ab7c01fdSSerge Semin select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 1995ab7c01fdSSerge Semin select MIPS_SPRAM 1996ab7c01fdSSerge Semin 19977fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 19987fd08ca5SLeonid Yegoshin bool 19997fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 2000289c270eSEric Biggers select ARCH_HAS_CRC32 20018256b17eSFlorian Fainelli select CPU_HAS_RIXI 2002ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 200387321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20042db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 2005a7e07b1aSMarkos Chandras select MIPS_SPRAM 20065e83d430SRalf Baechle 200757eeacedSPaul Burtonconfig TARGET_ISA_REV 200857eeacedSPaul Burton int 200957eeacedSPaul Burton default 1 if CPU_MIPSR1 201057eeacedSPaul Burton default 2 if CPU_MIPSR2 2011ab7c01fdSSerge Semin default 5 if CPU_MIPSR5 201257eeacedSPaul Burton default 6 if CPU_MIPSR6 201357eeacedSPaul Burton default 0 201457eeacedSPaul Burton help 201557eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 201657eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 201757eeacedSPaul Burton 2018a6e18781SLeonid Yegoshinconfig EVA 2019a6e18781SLeonid Yegoshin bool 2020a6e18781SLeonid Yegoshin 2021c5b36783SSteven J. Hillconfig XPA 2022c5b36783SSteven J. Hill bool 2023c5b36783SSteven J. Hill 20245e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20255e83d430SRalf Baechle bool 20265e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20275e83d430SRalf Baechle bool 20285e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20295e83d430SRalf Baechle bool 20305e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20315e83d430SRalf Baechle bool 203255045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 203355045ff5SWu Zhangjin bool 203455045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 203555045ff5SWu Zhangjin bool 20369cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20379cffd154SDavid Daney bool 2038a670c82dSLukas Bulwahn depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA)) 2039a6d54338SPaolo Bonziniconfig CPU_SUPPORTS_VZ 2040a6d54338SPaolo Bonzini bool 204182622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 204282622284SDavid Daney bool 2043c6972fb9SHuang Pei depends on 64BIT 204495b8a5e0SThomas Bogendoerfer default y if (CPU_MIPSR2 || CPU_MIPSR6) 20455e83d430SRalf Baechle 20468192c9eaSDavid Daney# 20478192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20488192c9eaSDavid Daney# 20498192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20508192c9eaSDavid Daney bool 2051679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20528192c9eaSDavid Daney 20535e83d430SRalf Baechlemenu "Kernel type" 20545e83d430SRalf Baechle 20555e83d430SRalf Baechlechoice 20565e83d430SRalf Baechle prompt "Kernel code model" 20575e83d430SRalf Baechle help 20585e83d430SRalf Baechle You should only select this option if you have a workload that 20595e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20605e83d430SRalf Baechle large memory. You will only be presented a single option in this 20615e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20625e83d430SRalf Baechle 20635e83d430SRalf Baechleconfig 32BIT 20645e83d430SRalf Baechle bool "32-bit kernel" 20655e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20665e83d430SRalf Baechle select TRAD_SIGNALS 20675e83d430SRalf Baechle help 20685e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2069f17c4ca3SRalf Baechle 20705e83d430SRalf Baechleconfig 64BIT 20715e83d430SRalf Baechle bool "64-bit kernel" 20725e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20735e83d430SRalf Baechle help 20745e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 20755e83d430SRalf Baechle 20765e83d430SRalf Baechleendchoice 20775e83d430SRalf Baechle 20781e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 20791e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 20801e321fa9SLeonid Yegoshin depends on 64BIT 20811e321fa9SLeonid Yegoshin help 20823377e227SAlex Belits Support a maximum at least 48 bits of application virtual 20833377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 20843377e227SAlex Belits For page sizes 16k and above, this option results in a small 20853377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 20863377e227SAlex Belits level of page tables is added which imposes both a memory 20873377e227SAlex Belits overhead as well as slower TLB fault handling. 20883377e227SAlex Belits 20891e321fa9SLeonid Yegoshin If unsure, say N. 20901e321fa9SLeonid Yegoshin 209179876cc1SYunQiang Suconfig ZBOOT_LOAD_ADDRESS 209279876cc1SYunQiang Su hex "Compressed kernel load address" 209379876cc1SYunQiang Su default 0xffffffff80400000 if BCM47XX 209479876cc1SYunQiang Su default 0x0 209579876cc1SYunQiang Su depends on SYS_SUPPORTS_ZBOOT 209679876cc1SYunQiang Su help 209779876cc1SYunQiang Su The address to load compressed kernel, aka vmlinuz. 209879876cc1SYunQiang Su 209979876cc1SYunQiang Su This is only used if non-zero. 210079876cc1SYunQiang Su 21010192445cSZi Yanconfig ARCH_FORCE_MAX_ORDER 2102c9bace7cSDavid Daney int "Maximum zone order" 210323baf831SKirill A. Shutemov default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 210423baf831SKirill A. Shutemov default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 210523baf831SKirill A. Shutemov default "11" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 210623baf831SKirill A. Shutemov default "10" 2107c9bace7cSDavid Daney help 2108c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2109c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2110c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2111c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2112c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2113c9bace7cSDavid Daney increase this value. 2114c9bace7cSDavid Daney 2115c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2116c9bace7cSDavid Daney when choosing a value for this option. 2117c9bace7cSDavid Daney 21181da177e4SLinus Torvaldsconfig BOARD_SCACHE 21191da177e4SLinus Torvalds bool 21201da177e4SLinus Torvalds 21211da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 21221da177e4SLinus Torvalds bool 21231da177e4SLinus Torvalds select BOARD_SCACHE 21241da177e4SLinus Torvalds 21259318c51aSChris Dearman# 21269318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 21279318c51aSChris Dearman# 21289318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 21299318c51aSChris Dearman bool 21309318c51aSChris Dearman select BOARD_SCACHE 21319318c51aSChris Dearman 21321da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 21331da177e4SLinus Torvalds bool 21341da177e4SLinus Torvalds select BOARD_SCACHE 21351da177e4SLinus Torvalds 21361da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 21371da177e4SLinus Torvalds bool 21381da177e4SLinus Torvalds select BOARD_SCACHE 21391da177e4SLinus Torvalds 21401da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 21411da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 21421da177e4SLinus Torvalds depends on CPU_SB1 21431da177e4SLinus Torvalds help 21441da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 21451da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 21461da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 21471da177e4SLinus Torvalds 21481da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2149c8094b53SRalf Baechle bool 21501da177e4SLinus Torvalds 21513165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 21523165c846SFlorian Fainelli bool 2153455481fcSThomas Bogendoerfer default y if !CPU_R3000 21543165c846SFlorian Fainelli 2155c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2156183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2157183b40f9SPaul Burton default y 2158183b40f9SPaul Burton help 2159183b40f9SPaul Burton Select y to include support for floating point in the kernel 2160183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2161183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2162183b40f9SPaul Burton userland program attempting to use floating point instructions will 2163183b40f9SPaul Burton receive a SIGILL. 2164183b40f9SPaul Burton 2165183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2166183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2167183b40f9SPaul Burton 2168183b40f9SPaul Burton If unsure, say y. 2169c92e47e5SPaul Burton 217097f7dcbfSPaul Burtonconfig CPU_R2300_FPU 217197f7dcbfSPaul Burton bool 2172c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2173455481fcSThomas Bogendoerfer default y if CPU_R3000 217497f7dcbfSPaul Burton 217554746829SPaul Burtonconfig CPU_R3K_TLB 217654746829SPaul Burton bool 217754746829SPaul Burton 217891405eb6SFlorian Fainelliconfig CPU_R4K_FPU 217991405eb6SFlorian Fainelli bool 2180c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 218197f7dcbfSPaul Burton default y if !CPU_R2300_FPU 218291405eb6SFlorian Fainelli 218362cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 218462cedc4fSFlorian Fainelli bool 218554746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 218662cedc4fSFlorian Fainelli 218759d6ab86SRalf Baechleconfig MIPS_MT_SMP 2188a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 21895cbf9688SPaul Burton default y 219074efddadSJiaxun Yang depends on TARGET_ISA_REV > 0 && TARGET_ISA_REV < 6 219174efddadSJiaxun Yang depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MICROMIPS 219259d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2193d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2194c080faa5SSteven J. Hill select SYNC_R4K 219559d6ab86SRalf Baechle select MIPS_MT 219659d6ab86SRalf Baechle select SMP 219787353d8aSRalf Baechle select SMP_UP 2198c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2199c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2200399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 220159d6ab86SRalf Baechle help 2202c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2203c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2204c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2205c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2206c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 220759d6ab86SRalf Baechle 2208f41ae0b2SRalf Baechleconfig MIPS_MT 2209f41ae0b2SRalf Baechle bool 2210f41ae0b2SRalf Baechle 22110ab7aefcSRalf Baechleconfig SCHED_SMT 22120ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22130ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22140ab7aefcSRalf Baechle default n 22150ab7aefcSRalf Baechle help 22160ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 22170ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 22180ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 22190ab7aefcSRalf Baechle 22200ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22210ab7aefcSRalf Baechle bool 22220ab7aefcSRalf Baechle 2223f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2224f41ae0b2SRalf Baechle bool 2225f41ae0b2SRalf Baechle 2226f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2227f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2228f088fc84SRalf Baechle default y 2229b633648cSRalf Baechle depends on MIPS_MT_SMP 223007cc0c9eSRalf Baechle 2231b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2232b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 22339eaa9a82SPaul Burton depends on CPU_MIPSR6 2234c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2235b0a668fbSLeonid Yegoshin default y 2236b0a668fbSLeonid Yegoshin help 2237b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2238b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 223907edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2240b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2241b0a668fbSLeonid Yegoshin final kernel image. 2242b0a668fbSLeonid Yegoshin 2243f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2244f35764e7SJames Hogan bool 2245f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2246f35764e7SJames Hogan help 2247f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2248f35764e7SJames Hogan physical_memsize. 2249f35764e7SJames Hogan 225007cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 225107cc0c9eSRalf Baechle bool "VPE loader support." 2252f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 225307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 225407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 225507cc0c9eSRalf Baechle select MIPS_MT 225607cc0c9eSRalf Baechle help 225707cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 225807cc0c9eSRalf Baechle onto another VPE and running it. 2259f088fc84SRalf Baechle 22601a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 22611a2a6d7eSDeng-Cheng Zhu bool 22621a2a6d7eSDeng-Cheng Zhu default "y" 22637fb6f7b0SThomas Bogendoerfer depends on MIPS_VPE_LOADER 22641a2a6d7eSDeng-Cheng Zhu 2265e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2266e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2267e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2268e01402b1SRalf Baechle default y 2269e01402b1SRalf Baechle help 2270e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2271e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2272e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2273e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2274e01402b1SRalf Baechle 2275e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2276e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2277e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2278e01402b1SRalf Baechle 22792c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 22802c973ef0SDeng-Cheng Zhu bool 22812c973ef0SDeng-Cheng Zhu default "y" 22827fb6f7b0SThomas Bogendoerfer depends on MIPS_VPE_APSP_API 22835cac93b3SPaul Burton 22840ee958e1SPaul Burtonconfig MIPS_CPS 22850ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 22865a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 22870ee958e1SPaul Burton select MIPS_CM 22881d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 22890ee958e1SPaul Burton select SMP 2290c8d2bcc4SThomas Gleixner select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU 22910ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 22921d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2293c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 22940ee958e1SPaul Burton select SYS_SUPPORTS_SMP 22950ee958e1SPaul Burton select WEAK_ORDERING 2296d8d3276bSWei Li select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 22970ee958e1SPaul Burton help 22980ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 22990ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 23000ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 23010ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 23020ee958e1SPaul Burton support is unavailable. 23030ee958e1SPaul Burton 23043179d37eSPaul Burtonconfig MIPS_CPS_PM 230539a59593SMarkos Chandras depends on MIPS_CPS 23063179d37eSPaul Burton bool 23073179d37eSPaul Burton 23089f98f3ddSPaul Burtonconfig MIPS_CM 23099f98f3ddSPaul Burton bool 23103c9b4166SPaul Burton select MIPS_CPC 23119f98f3ddSPaul Burton 23129c38cf44SPaul Burtonconfig MIPS_CPC 23139c38cf44SPaul Burton bool 23144a16ff4cSRalf Baechle 23151da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 23161da177e4SLinus Torvalds bool 23171da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 23181da177e4SLinus Torvalds default y 23191da177e4SLinus Torvalds 23201da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 23211da177e4SLinus Torvalds bool 23221da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 23231da177e4SLinus Torvalds default y 23241da177e4SLinus Torvalds 23259e2b5372SMarkos Chandraschoice 23269e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 23279e2b5372SMarkos Chandras 23289e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 23299e2b5372SMarkos Chandras bool "None" 23309e2b5372SMarkos Chandras help 23319e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 23329e2b5372SMarkos Chandras 23339693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 23349693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 23359e2b5372SMarkos Chandras bool "SmartMIPS" 23369693a853SFranck Bui-Huu help 23379693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 23389693a853SFranck Bui-Huu increased security at both hardware and software level for 23399693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 23409693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 23419693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 23429693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 23439693a853SFranck Bui-Huu here. 23449693a853SFranck Bui-Huu 2345bce86083SSteven J. Hillconfig CPU_MICROMIPS 23467fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 23479e2b5372SMarkos Chandras bool "microMIPS" 2348bce86083SSteven J. Hill help 2349bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2350bce86083SSteven J. Hill microMIPS ISA 2351bce86083SSteven J. Hill 23529e2b5372SMarkos Chandrasendchoice 23539e2b5372SMarkos Chandras 2354a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 23550ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2356a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2357c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 23582a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2359a5e9a69eSPaul Burton help 2360a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2361a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 23621db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 23631db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 23641db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 23651db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 23661db1af84SPaul Burton the size & complexity of your kernel. 2367a5e9a69eSPaul Burton 2368a5e9a69eSPaul Burton If unsure, say Y. 2369a5e9a69eSPaul Burton 23701da177e4SLinus Torvaldsconfig CPU_HAS_WB 2371f7062ddbSRalf Baechle bool 2372e01402b1SRalf Baechle 2373df0ac8a4SKevin Cernekeeconfig XKS01 2374df0ac8a4SKevin Cernekee bool 2375df0ac8a4SKevin Cernekee 2376ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI 2377ba9196d2SJiaxun Yang depends on !CPU_DIEI_BROKEN 2378ba9196d2SJiaxun Yang bool 2379ba9196d2SJiaxun Yang 2380ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN 2381ba9196d2SJiaxun Yang bool 2382ba9196d2SJiaxun Yang 23838256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 23848256b17eSFlorian Fainelli bool 23858256b17eSFlorian Fainelli 238618d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR 2387932afdeeSYasha Cherikovsky bool 2388932afdeeSYasha Cherikovsky help 238918d84e2eSAlexander Lobakin CPU lacks support for unaligned load and store instructions: 2390932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 239118d84e2eSAlexander Lobakin LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 239218d84e2eSAlexander Lobakin systems). 2393932afdeeSYasha Cherikovsky 2394f41ae0b2SRalf Baechle# 2395f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2396f41ae0b2SRalf Baechle# 2397e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2398f41ae0b2SRalf Baechle bool 2399e01402b1SRalf Baechle 2400f41ae0b2SRalf Baechle# 2401f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2402f41ae0b2SRalf Baechle# 2403e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2404f41ae0b2SRalf Baechle bool 2405e01402b1SRalf Baechle 24061da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 24071da177e4SLinus Torvalds bool 24081da177e4SLinus Torvalds depends on !CPU_R3000 24091da177e4SLinus Torvalds default y 24101da177e4SLinus Torvalds 24111da177e4SLinus Torvalds# 241220d60d99SMaciej W. Rozycki# CPU non-features 241320d60d99SMaciej W. Rozycki# 2414b56d1cafSThomas Bogendoerfer 2415b56d1cafSThomas Bogendoerfer# Work around the "daddi" and "daddiu" CPU errata: 2416b56d1cafSThomas Bogendoerfer# 2417b56d1cafSThomas Bogendoerfer# - The `daddi' instruction fails to trap on overflow. 2418b56d1cafSThomas Bogendoerfer# "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2419b56d1cafSThomas Bogendoerfer# erratum #23 2420b56d1cafSThomas Bogendoerfer# 2421b56d1cafSThomas Bogendoerfer# - The `daddiu' instruction can produce an incorrect result. 2422b56d1cafSThomas Bogendoerfer# "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2423b56d1cafSThomas Bogendoerfer# erratum #41 2424b56d1cafSThomas Bogendoerfer# "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum 2425b56d1cafSThomas Bogendoerfer# #15 2426b56d1cafSThomas Bogendoerfer# "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7 2427b56d1cafSThomas Bogendoerfer# "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5 242820d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 242920d60d99SMaciej W. Rozycki bool 243020d60d99SMaciej W. Rozycki 2431b56d1cafSThomas Bogendoerfer# Work around certain R4000 CPU errata (as implemented by GCC): 2432b56d1cafSThomas Bogendoerfer# 2433b56d1cafSThomas Bogendoerfer# - A double-word or a variable shift may give an incorrect result 2434b56d1cafSThomas Bogendoerfer# if executed immediately after starting an integer division: 2435b56d1cafSThomas Bogendoerfer# "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2436b56d1cafSThomas Bogendoerfer# erratum #28 2437b56d1cafSThomas Bogendoerfer# "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum 2438b56d1cafSThomas Bogendoerfer# #19 2439b56d1cafSThomas Bogendoerfer# 2440b56d1cafSThomas Bogendoerfer# - A double-word or a variable shift may give an incorrect result 2441b56d1cafSThomas Bogendoerfer# if executed while an integer multiplication is in progress: 2442b56d1cafSThomas Bogendoerfer# "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2443b56d1cafSThomas Bogendoerfer# errata #16 & #28 2444b56d1cafSThomas Bogendoerfer# 2445b56d1cafSThomas Bogendoerfer# - An integer division may give an incorrect result if started in 2446b56d1cafSThomas Bogendoerfer# a delay slot of a taken branch or a jump: 2447b56d1cafSThomas Bogendoerfer# "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2448b56d1cafSThomas Bogendoerfer# erratum #52 244920d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 245020d60d99SMaciej W. Rozycki bool 245120d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 245220d60d99SMaciej W. Rozycki 2453b56d1cafSThomas Bogendoerfer# Work around certain R4400 CPU errata (as implemented by GCC): 2454b56d1cafSThomas Bogendoerfer# 2455b56d1cafSThomas Bogendoerfer# - A double-word or a variable shift may give an incorrect result 2456b56d1cafSThomas Bogendoerfer# if executed immediately after starting an integer division: 2457b56d1cafSThomas Bogendoerfer# "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10 2458b56d1cafSThomas Bogendoerfer# "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4 245920d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 246020d60d99SMaciej W. Rozycki bool 246120d60d99SMaciej W. Rozycki 2462071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2463071d2f0bSPaul Burton bool 2464071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2465071d2f0bSPaul Burton 24664edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 24674edf00a4SPaul Burton int 2468455481fcSThomas Bogendoerfer default 6 if CPU_R3000 24694edf00a4SPaul Burton default 0 24704edf00a4SPaul Burton 24714edf00a4SPaul Burtonconfig MIPS_ASID_BITS 24724edf00a4SPaul Burton int 24732db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 2474455481fcSThomas Bogendoerfer default 6 if CPU_R3000 24754edf00a4SPaul Burton default 8 24764edf00a4SPaul Burton 24772db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 24782db003a5SPaul Burton bool 24792db003a5SPaul Burton 2480802b8362SThomas Bogendoerfer# R4600 erratum. Due to the lack of errata information the exact 2481802b8362SThomas Bogendoerfer# technical details aren't known. I've experimentally found that disabling 2482802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal 2483802b8362SThomas Bogendoerfer# with the issue. 2484802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP 2485802b8362SThomas Bogendoerfer bool 2486802b8362SThomas Bogendoerfer 24875e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata: 24885e5b6527SThomas Bogendoerfer# 24895e5b6527SThomas Bogendoerfer# 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D, 24905e5b6527SThomas Bogendoerfer# Hit_Invalidate_D and Create_Dirty_Excl_D should only be 24915e5b6527SThomas Bogendoerfer# executed if there is no other dcache activity. If the dcache is 249218ff14c8SColin Ian King# accessed for another instruction immediately preceding when these 24935e5b6527SThomas Bogendoerfer# cache instructions are executing, it is possible that the dcache 24945e5b6527SThomas Bogendoerfer# tag match outputs used by these cache instructions will be 24955e5b6527SThomas Bogendoerfer# incorrect. These cache instructions should be preceded by at least 24965e5b6527SThomas Bogendoerfer# four instructions that are not any kind of load or store 24975e5b6527SThomas Bogendoerfer# instruction. 24985e5b6527SThomas Bogendoerfer# 24995e5b6527SThomas Bogendoerfer# This is not allowed: lw 25005e5b6527SThomas Bogendoerfer# nop 25015e5b6527SThomas Bogendoerfer# nop 25025e5b6527SThomas Bogendoerfer# nop 25035e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 25045e5b6527SThomas Bogendoerfer# 25055e5b6527SThomas Bogendoerfer# This is allowed: lw 25065e5b6527SThomas Bogendoerfer# nop 25075e5b6527SThomas Bogendoerfer# nop 25085e5b6527SThomas Bogendoerfer# nop 25095e5b6527SThomas Bogendoerfer# nop 25105e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 25115e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP 25125e5b6527SThomas Bogendoerfer bool 25135e5b6527SThomas Bogendoerfer 251444def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA. 251544def342SThomas Bogendoerfer# 251644def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D, 251744def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only 251844def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty. These 251944def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss 252044def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer." 252144def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/ 252244def342SThomas Bogendoerfer# in .pdf format.) 252344def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP 252444def342SThomas Bogendoerfer bool 252544def342SThomas Bogendoerfer 252624a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for 252724a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following 252824a1c023SThomas Bogendoerfer# operation is not guaranteed." 252924a1c023SThomas Bogendoerfer# 253024a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I 253124a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV 253224a1c023SThomas Bogendoerfer bool 253324a1c023SThomas Bogendoerfer 2534886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra 2535886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same 2536886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious 2537886ee136SThomas Bogendoerfer# exceptions. 2538886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS 2539886ee136SThomas Bogendoerfer bool 2540886ee136SThomas Bogendoerfer 2541256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that 2542256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically. 2543256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC 2544256ec489SThomas Bogendoerfer bool 2545256ec489SThomas Bogendoerfer 2546a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction" 2547a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB 2548a7fbed98SThomas Bogendoerfer bool 2549a7fbed98SThomas Bogendoerfer 255020d60d99SMaciej W. Rozycki# 25511da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25521da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25531da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25541da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25551da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25561da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25571da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25581da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2559797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2560797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2561797798c1SRalf Baechle# support. 25621da177e4SLinus Torvalds# 25631da177e4SLinus Torvaldsconfig HIGHMEM 25641da177e4SLinus Torvalds bool "High Memory Support" 2565a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2566a4c33e83SThomas Gleixner select KMAP_LOCAL 2567797798c1SRalf Baechle 2568797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2569797798c1SRalf Baechle bool 2570797798c1SRalf Baechle 2571797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2572797798c1SRalf Baechle bool 25731da177e4SLinus Torvalds 25749693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25759693a853SFranck Bui-Huu bool 25769693a853SFranck Bui-Huu 2577a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2578a6a4834cSSteven J. Hill bool 2579a6a4834cSSteven J. Hill 2580377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2581377cb1b6SRalf Baechle bool 2582377cb1b6SRalf Baechle help 2583377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2584377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2585377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2586377cb1b6SRalf Baechle 2587a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2588a5e9a69eSPaul Burton bool 2589a5e9a69eSPaul Burton 2590b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2591b4819b59SYoichi Yuasa def_bool y 2592268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2593b4819b59SYoichi Yuasa 2594b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2595b1c6cd42SAtsushi Nemoto bool 259631473747SAtsushi Nemoto 2597d8cb4e11SRalf Baechleconfig NUMA 2598d8cb4e11SRalf Baechle bool "NUMA Support" 2599d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2600cf8194e4STiezhu Yang select SMP 26017ecd19cfSKefeng Wang select HAVE_SETUP_PER_CPU_AREA 26027ecd19cfSKefeng Wang select NEED_PER_CPU_EMBED_FIRST_CHUNK 2603d8cb4e11SRalf Baechle help 2604d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2605d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2606d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2607172a37e9SRandy Dunlap leave it disabled; on single node systems leave this option 2608d8cb4e11SRalf Baechle disabled. 2609d8cb4e11SRalf Baechle 2610d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2611d8cb4e11SRalf Baechle bool 2612d8cb4e11SRalf Baechle 26138c530ea3SMatt Redfearnconfig RELOCATABLE 26148c530ea3SMatt Redfearn bool "Relocatable kernel" 2615ab7c01fdSSerge Semin depends on SYS_SUPPORTS_RELOCATABLE 2616ab7c01fdSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2617ab7c01fdSSerge Semin CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2618ab7c01fdSSerge Semin CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2619a307a4ceSJinyang He CPU_P5600 || CAVIUM_OCTEON_SOC || \ 2620a307a4ceSJinyang He CPU_LOONGSON64 26218c530ea3SMatt Redfearn help 26228c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26238c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26248c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26258c530ea3SMatt Redfearn but are discarded at runtime 26268c530ea3SMatt Redfearn 2627069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2628069fd766SMatt Redfearn hex "Relocation table size" 2629069fd766SMatt Redfearn depends on RELOCATABLE 2630069fd766SMatt Redfearn range 0x0 0x01000000 2631a307a4ceSJinyang He default "0x00200000" if CPU_LOONGSON64 2632069fd766SMatt Redfearn default "0x00100000" 2633a7f7f624SMasahiro Yamada help 2634069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2635069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2636069fd766SMatt Redfearn 2637069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2638069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2639069fd766SMatt Redfearn 2640069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2641069fd766SMatt Redfearn 2642069fd766SMatt Redfearn If unsure, leave at the default value. 2643069fd766SMatt Redfearn 2644405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2645405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2646405bc8fdSMatt Redfearn depends on RELOCATABLE 2647a7f7f624SMasahiro Yamada help 2648405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2649405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2650405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2651405bc8fdSMatt Redfearn of kernel internals. 2652405bc8fdSMatt Redfearn 2653405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2654405bc8fdSMatt Redfearn 2655405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2656405bc8fdSMatt Redfearn 2657405bc8fdSMatt Redfearn If unsure, say N. 2658405bc8fdSMatt Redfearn 2659405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2660405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2661405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2662405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2663405bc8fdSMatt Redfearn range 0x0 0x08000000 2664405bc8fdSMatt Redfearn default "0x01000000" 2665a7f7f624SMasahiro Yamada help 2666405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2667405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2668405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2669405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2670405bc8fdSMatt Redfearn 2671405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2672405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2673405bc8fdSMatt Redfearn 2674c80d79d7SYasunori Gotoconfig NODES_SHIFT 2675c80d79d7SYasunori Goto int 2676c80d79d7SYasunori Goto default "6" 2677a9ee6cf5SMike Rapoport depends on NUMA 2678c80d79d7SYasunori Goto 267914f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 268014f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 268195b8a5e0SThomas Bogendoerfer depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64) 268214f70012SDeng-Cheng Zhu default y 268314f70012SDeng-Cheng Zhu help 268414f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 268514f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 268614f70012SDeng-Cheng Zhu 2687be8fa1cbSTiezhu Yangconfig DMI 2688be8fa1cbSTiezhu Yang bool "Enable DMI scanning" 2689be8fa1cbSTiezhu Yang depends on MACH_LOONGSON64 2690be8fa1cbSTiezhu Yang select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2691be8fa1cbSTiezhu Yang default y 2692be8fa1cbSTiezhu Yang help 2693be8fa1cbSTiezhu Yang Enabled scanning of DMI to identify machine quirks. Say Y 2694be8fa1cbSTiezhu Yang here unless you have verified that your setup is not 2695be8fa1cbSTiezhu Yang affected by entries in the DMI blacklist. Required by PNP 2696be8fa1cbSTiezhu Yang BIOS code. 2697be8fa1cbSTiezhu Yang 26981da177e4SLinus Torvaldsconfig SMP 26991da177e4SLinus Torvalds bool "Multi-Processing support" 2700e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2701e73ea273SRalf Baechle help 27021da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27034a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27044a474157SRobert Graffham than one CPU, say Y. 27051da177e4SLinus Torvalds 27064a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27071da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27081da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27094a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27101da177e4SLinus Torvalds will run faster if you say N here. 27111da177e4SLinus Torvalds 27121da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27131da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27141da177e4SLinus Torvalds 271503502faaSAdrian Bunk See also the SMP-HOWTO available at 2716ef054ad3SAlexander A. Klimov <https://www.tldp.org/docs.html#howto>. 27171da177e4SLinus Torvalds 27181da177e4SLinus Torvalds If you don't know what to do here, say N. 27191da177e4SLinus Torvalds 27207840d618SMatt Redfearnconfig HOTPLUG_CPU 27217840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27227840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27237840d618SMatt Redfearn help 27247840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27257840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27267840d618SMatt Redfearn (Note: power management support will enable this option 27277840d618SMatt Redfearn automatically on SMP systems. ) 27287840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27297840d618SMatt Redfearn 273087353d8aSRalf Baechleconfig SMP_UP 273187353d8aSRalf Baechle bool 273287353d8aSRalf Baechle 27330ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27340ee958e1SPaul Burton bool 27350ee958e1SPaul Burton 2736e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2737e73ea273SRalf Baechle bool 2738e73ea273SRalf Baechle 2739130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2740130e2fb7SRalf Baechle bool 2741130e2fb7SRalf Baechle 2742130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2743130e2fb7SRalf Baechle bool 2744130e2fb7SRalf Baechle 2745130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2746130e2fb7SRalf Baechle bool 2747130e2fb7SRalf Baechle 2748130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2749130e2fb7SRalf Baechle bool 2750130e2fb7SRalf Baechle 2751130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2752130e2fb7SRalf Baechle bool 2753130e2fb7SRalf Baechle 27541da177e4SLinus Torvaldsconfig NR_CPUS 2755a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2756a91796a9SJayachandran C range 2 256 27571da177e4SLinus Torvalds depends on SMP 2758130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2759130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2760130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2761130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2762130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27631da177e4SLinus Torvalds help 27641da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27651da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27661da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 276772ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 276872ede9b1SAtsushi Nemoto and 2 for all others. 27691da177e4SLinus Torvalds 27701da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 277172ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 277272ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 277372ede9b1SAtsushi Nemoto power of two. 27741da177e4SLinus Torvalds 2775399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2776399aaa25SAl Cooper bool 2777399aaa25SAl Cooper 27787820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27797820b84bSDavid Daney bool 27807820b84bSDavid Daney 27817820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27827820b84bSDavid Daney int 27837820b84bSDavid Daney depends on SMP 27847820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 27857820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 27867820b84bSDavid Daney 27871723b4a3SAtsushi Nemoto# 27881723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 27891723b4a3SAtsushi Nemoto# 27901723b4a3SAtsushi Nemoto 27911723b4a3SAtsushi Nemotochoice 27921723b4a3SAtsushi Nemoto prompt "Timer frequency" 27931723b4a3SAtsushi Nemoto default HZ_250 27941723b4a3SAtsushi Nemoto help 27951723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 27961723b4a3SAtsushi Nemoto 279767596573SPaul Burton config HZ_24 279867596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 279967596573SPaul Burton 28001723b4a3SAtsushi Nemoto config HZ_48 28010f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28021723b4a3SAtsushi Nemoto 28031723b4a3SAtsushi Nemoto config HZ_100 28041723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28051723b4a3SAtsushi Nemoto 28061723b4a3SAtsushi Nemoto config HZ_128 28071723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28081723b4a3SAtsushi Nemoto 28091723b4a3SAtsushi Nemoto config HZ_250 28101723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28111723b4a3SAtsushi Nemoto 28121723b4a3SAtsushi Nemoto config HZ_256 28131723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28141723b4a3SAtsushi Nemoto 28151723b4a3SAtsushi Nemoto config HZ_1000 28161723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28171723b4a3SAtsushi Nemoto 28181723b4a3SAtsushi Nemoto config HZ_1024 28191723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28201723b4a3SAtsushi Nemoto 28211723b4a3SAtsushi Nemotoendchoice 28221723b4a3SAtsushi Nemoto 282367596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 282467596573SPaul Burton bool 282567596573SPaul Burton 28261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28271723b4a3SAtsushi Nemoto bool 28281723b4a3SAtsushi Nemoto 28291723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28301723b4a3SAtsushi Nemoto bool 28311723b4a3SAtsushi Nemoto 28321723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28331723b4a3SAtsushi Nemoto bool 28341723b4a3SAtsushi Nemoto 28351723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 28361723b4a3SAtsushi Nemoto bool 28371723b4a3SAtsushi Nemoto 28381723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 28391723b4a3SAtsushi Nemoto bool 28401723b4a3SAtsushi Nemoto 28411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 28421723b4a3SAtsushi Nemoto bool 28431723b4a3SAtsushi Nemoto 28441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 28451723b4a3SAtsushi Nemoto bool 28461723b4a3SAtsushi Nemoto 28471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 28481723b4a3SAtsushi Nemoto bool 284967596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 285067596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 285167596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 285267596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 285367596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 285467596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 285567596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28561723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28571723b4a3SAtsushi Nemoto 28581723b4a3SAtsushi Nemotoconfig HZ 28591723b4a3SAtsushi Nemoto int 286067596573SPaul Burton default 24 if HZ_24 28611723b4a3SAtsushi Nemoto default 48 if HZ_48 28621723b4a3SAtsushi Nemoto default 100 if HZ_100 28631723b4a3SAtsushi Nemoto default 128 if HZ_128 28641723b4a3SAtsushi Nemoto default 250 if HZ_250 28651723b4a3SAtsushi Nemoto default 256 if HZ_256 28661723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28671723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28681723b4a3SAtsushi Nemoto 286996685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 287096685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 287196685b17SDeng-Cheng Zhu 2872571feed5SEric DeVolderconfig ARCH_SUPPORTS_KEXEC 2873571feed5SEric DeVolder def_bool y 2874ea6e942bSAtsushi Nemoto 2875571feed5SEric DeVolderconfig ARCH_SUPPORTS_CRASH_DUMP 2876571feed5SEric DeVolder def_bool y 28777aa1c8f4SRalf Baechle 287831daa343SDave Vasilevskyconfig ARCH_DEFAULT_CRASH_DUMP 287931daa343SDave Vasilevsky def_bool y 288031daa343SDave Vasilevsky 28817aa1c8f4SRalf Baechleconfig PHYSICAL_START 28827aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 28838bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 28847aa1c8f4SRalf Baechle depends on CRASH_DUMP 28857aa1c8f4SRalf Baechle help 28867aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 28877aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 28887aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 28897aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 28907aa1c8f4SRalf Baechle passed to the panic-ed kernel). 28917aa1c8f4SRalf Baechle 2892597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2893b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2894597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2895597ce172SPaul Burton help 2896597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2897597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2898597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2899597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2900597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2901597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2902597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2903597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2904597ce172SPaul Burton saying N here. 2905597ce172SPaul Burton 290606e2e882SPaul Burton Although binutils currently supports use of this flag the details 290706e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 290818ff14c8SColin Ian King worked on. In order to avoid userland becoming dependent upon current 290906e2e882SPaul Burton behaviour before the details have been finalised, this option should 291006e2e882SPaul Burton be considered experimental and only enabled by those working upon 291106e2e882SPaul Burton said details. 291206e2e882SPaul Burton 291306e2e882SPaul Burton If unsure, say N. 2914597ce172SPaul Burton 2915f2ffa5abSDezhong Diaoconfig USE_OF 29160b3e06fdSJonas Gorski bool 2917f2ffa5abSDezhong Diao select OF 2918e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2919abd2363fSGrant Likely select IRQ_DOMAIN 2920f2ffa5abSDezhong Diao 29212fe8ea39SDengcheng Zhuconfig UHI_BOOT 29222fe8ea39SDengcheng Zhu bool 29232fe8ea39SDengcheng Zhu 29247fafb068SAndrew Brestickerconfig BUILTIN_DTB 29257fafb068SAndrew Bresticker bool 29267fafb068SAndrew Bresticker 29271da8f179SJonas Gorskichoice 2928b9d73218SMasahiro Yamada prompt "Kernel appended dtb support" 2929b9d73218SMasahiro Yamada depends on USE_OF 29301da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29311da8f179SJonas Gorski 29321da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29331da8f179SJonas Gorski bool "None" 29341da8f179SJonas Gorski help 29351da8f179SJonas Gorski Do not enable appended dtb support. 29361da8f179SJonas Gorski 293787db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 293887db537dSAaro Koskinen bool "vmlinux" 293987db537dSAaro Koskinen help 294087db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 294187db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 294287db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 294387db537dSAaro Koskinen objcopy: 294487db537dSAaro Koskinen 294587db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 294687db537dSAaro Koskinen 294718ff14c8SColin Ian King This is meant as a backward compatibility convenience for those 294887db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 294987db537dSAaro Koskinen the documented boot protocol using a device tree. 295087db537dSAaro Koskinen 29511da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2952b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29531da8f179SJonas Gorski help 29541da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2955b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 29561da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 29571da8f179SJonas Gorski 29581da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 29591da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 29601da8f179SJonas Gorski the documented boot protocol using a device tree. 29611da8f179SJonas Gorski 29621da8f179SJonas Gorski Beware that there is very little in terms of protection against 29631da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 29641da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 29651da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 29661da8f179SJonas Gorski if you don't intend to always append a DTB. 29671da8f179SJonas Gorskiendchoice 29681da8f179SJonas Gorski 29692024972eSJonas Gorskichoice 2970b9d73218SMasahiro Yamada prompt "Kernel command line type" 2971b9d73218SMasahiro Yamada depends on !CMDLINE_OVERRIDE 29722bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 297387fcfa7bSJiaxun Yang !MACH_LOONGSON64 && !MIPS_MALTA && \ 29742bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 29752024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 29762024972eSJonas Gorski 29772024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 29782024972eSJonas Gorski depends on USE_OF 29792024972eSJonas Gorski bool "Dtb kernel arguments if available" 29802024972eSJonas Gorski 29812024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 29822024972eSJonas Gorski depends on USE_OF 29832024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 29842024972eSJonas Gorski 29852024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 29862024972eSJonas Gorski bool "Bootloader kernel arguments if available" 2987ed47e153SRabin Vincent 2988ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 2989ed47e153SRabin Vincent depends on CMDLINE_BOOL 2990ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 29912024972eSJonas Gorskiendchoice 29922024972eSJonas Gorski 29935e83d430SRalf Baechleendmenu 29945e83d430SRalf Baechle 29951df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 29961df0f0ffSAtsushi Nemoto bool 29971df0f0ffSAtsushi Nemoto default y 29981df0f0ffSAtsushi Nemoto 29991df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30001df0f0ffSAtsushi Nemoto bool 30011df0f0ffSAtsushi Nemoto default y 30021df0f0ffSAtsushi Nemoto 3003a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3004a728ab52SKirill A. Shutemov int 30053377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 300641ce097fSHuang Pei default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48) 3007a728ab52SKirill A. Shutemov default 2 3008a728ab52SKirill A. Shutemov 30096c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30106c359eb1SPaul Burton bool 30116c359eb1SPaul Burton 30121da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30131da177e4SLinus Torvalds 3014c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 30152eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3016c5611df9SPaul Burton bool 3017c5611df9SPaul Burton 3018c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3019c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3020c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 30212eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 30221da177e4SLinus Torvalds 30231da177e4SLinus Torvalds# 30241da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30251da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30261da177e4SLinus Torvalds# users to choose the right thing ... 30271da177e4SLinus Torvalds# 30281da177e4SLinus Torvaldsconfig ISA 30291da177e4SLinus Torvalds bool 30301da177e4SLinus Torvalds 30311da177e4SLinus Torvaldsconfig TC 30321da177e4SLinus Torvalds bool "TURBOchannel support" 30331da177e4SLinus Torvalds depends on MACH_DECSTATION 30341da177e4SLinus Torvalds help 303550a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 303650a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 303750a23e6eSJustin P. Mattock at: 303850a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 303950a23e6eSJustin P. Mattock and: 304050a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 304150a23e6eSJustin P. Mattock Linux driver support status is documented at: 304250a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30431da177e4SLinus Torvalds 30441da177e4SLinus Torvaldsconfig MMU 30451da177e4SLinus Torvalds bool 30461da177e4SLinus Torvalds default y 30471da177e4SLinus Torvalds 3048109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3049109c32ffSMatt Redfearn default 12 if 64BIT 3050109c32ffSMatt Redfearn default 8 3051109c32ffSMatt Redfearn 3052109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3053109c32ffSMatt Redfearn default 18 if 64BIT 3054109c32ffSMatt Redfearn default 15 3055109c32ffSMatt Redfearn 3056109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3057109c32ffSMatt Redfearn default 8 3058109c32ffSMatt Redfearn 3059109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3060109c32ffSMatt Redfearn default 15 3061109c32ffSMatt Redfearn 3062d865bea4SRalf Baechleconfig I8253 3063d865bea4SRalf Baechle bool 3064798778b8SRussell King select CLKSRC_I8253 30652d02612fSThomas Gleixner select CLKEVT_I8253 30669726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 30671da177e4SLinus Torvaldsendmenu 30681da177e4SLinus Torvalds 30691da177e4SLinus Torvaldsconfig TRAD_SIGNALS 30701da177e4SLinus Torvalds bool 30711da177e4SLinus Torvalds 30721da177e4SLinus Torvaldsconfig MIPS32_COMPAT 307378aaf956SRalf Baechle bool 30741da177e4SLinus Torvalds 30751da177e4SLinus Torvaldsconfig COMPAT 30761da177e4SLinus Torvalds bool 30771da177e4SLinus Torvalds 30781da177e4SLinus Torvaldsconfig MIPS32_O32 30791da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 308078aaf956SRalf Baechle depends on 64BIT 308178aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 308278aaf956SRalf Baechle select COMPAT 308378aaf956SRalf Baechle select MIPS32_COMPAT 30841da177e4SLinus Torvalds help 30851da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 30861da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 30871da177e4SLinus Torvalds existing binaries are in this format. 30881da177e4SLinus Torvalds 30891da177e4SLinus Torvalds If unsure, say Y. 30901da177e4SLinus Torvalds 30911da177e4SLinus Torvaldsconfig MIPS32_N32 30921da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3093c22eacfeSRalf Baechle depends on 64BIT 30945a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 309578aaf956SRalf Baechle select COMPAT 309678aaf956SRalf Baechle select MIPS32_COMPAT 30971da177e4SLinus Torvalds help 30981da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 30991da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31001da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31011da177e4SLinus Torvalds cases. 31021da177e4SLinus Torvalds 31031da177e4SLinus Torvalds If unsure, say N. 31041da177e4SLinus Torvalds 3105d49fc692SNathan Chancellorconfig CC_HAS_MNO_BRANCH_LIKELY 3106d49fc692SNathan Chancellor def_bool y 3107d49fc692SNathan Chancellor depends on $(cc-option,-mno-branch-likely) 3108d49fc692SNathan Chancellor 31091a2c73f4SJiaxun Yang# https://github.com/llvm/llvm-project/issues/61045 31101a2c73f4SJiaxun Yangconfig CC_HAS_BROKEN_INLINE_COMPAT_BRANCH 31111a2c73f4SJiaxun Yang def_bool y if CC_IS_CLANG 31121a2c73f4SJiaxun Yang 31132116245eSRalf Baechlemenu "Power management options" 3114952fa954SRodolfo Giometti 3115363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3116363c55caSWu Zhangjin def_bool y 31173f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3118363c55caSWu Zhangjin 3119f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3120f4cb5700SJohannes Berg def_bool y 31213f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3122f4cb5700SJohannes Berg 31232116245eSRalf Baechlesource "kernel/power/Kconfig" 3124952fa954SRodolfo Giometti 31251da177e4SLinus Torvaldsendmenu 31261da177e4SLinus Torvalds 31277a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31287a998935SViresh Kumar bool 31297a998935SViresh Kumar 31307a998935SViresh Kumarmenu "CPU Power Management" 3131c095ebafSPaul Burton 3132c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31337a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 313431f12fdcSJuerg Haefligerendif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31359726b43aSWu Zhangjin 3136c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3137c095ebafSPaul Burton 3138c095ebafSPaul Burtonendmenu 3139c095ebafSPaul Burton 31402235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3141e91946d6SNathan Chancellor 3142e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig" 3143