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 7dfad83cbSFlorian Fainelli select ARCH_HAS_DEBUG_VIRTUAL if !64BIT 834c01e41SAlexander Lobakin select ARCH_HAS_FORTIFY_SOURCE 934c01e41SAlexander Lobakin select ARCH_HAS_KCOV 1066633abdSTiezhu Yang select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA 1134c01e41SAlexander Lobakin select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 12e6226997SArnd Bergmann select ARCH_HAS_STRNCPY_FROM_USER 13e6226997SArnd Bergmann select ARCH_HAS_STRNLEN_USER 1412597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 151e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 168b3165e5SXingxing Su select ARCH_HAS_GCOV_PROFILE_ALL 17c55944ccSNick Desaulniers select ARCH_KEEP_MEMBLOCK 1812597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 191ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 2012597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 21dce44566SAnshuman Khandual select ARCH_USE_MEMTEST 2225da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 230b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 24855f9a8eSAnshuman Khandual select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES 259035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 2612597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 27d3a4e0f1SAlexander Lobakin select ARCH_WANT_LD_ORPHAN_WARN 2810916706SShile Zhang select BUILDTIME_TABLE_SORT 2912597988SMatt Redfearn select CLONE_BACKWARDS 3057eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 3112597988SMatt Redfearn select CPU_PM if CPU_IDLE 3212597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 3312597988SMatt Redfearn select GENERIC_CMOS_UPDATE 3412597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 3524640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 36b962aeb0SPaul Burton select GENERIC_IOMAP 3712597988SMatt Redfearn select GENERIC_IRQ_PROBE 3812597988SMatt Redfearn select GENERIC_IRQ_SHOW 396630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 40740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 41740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 42740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 43740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 44740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 4512597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 4612597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 4712597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 48446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 49906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 5012597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 5142b20995SArnd Bergmann select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT 52109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 53109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 54490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 55c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 5645e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 572ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 5812597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 59490f561bSFrederic Weisbecker select HAVE_TIF_NOHZ 6064575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 6112597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 6212597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 6312597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 6412597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 6501bdc58eSJohan Almbladh select HAVE_EBPF_JIT if !CPU_MICROMIPS && \ 6601bdc58eSJohan Almbladh !CPU_DADDI_WORKAROUNDS && \ 6701bdc58eSJohan Almbladh !CPU_R4000_WORKAROUNDS && \ 6801bdc58eSJohan Almbladh !CPU_R4400_WORKAROUNDS 6912597988SMatt Redfearn select HAVE_EXIT_THREAD 7067a929e0SChristoph Hellwig select HAVE_FAST_GUP 7112597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 7229c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 7312597988SMatt Redfearn select HAVE_FUNCTION_TRACER 7434c01e41SAlexander Lobakin select HAVE_GCC_PLUGINS 7534c01e41SAlexander Lobakin select HAVE_GENERIC_VDSO 76b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 7712597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 7812597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 79c1bf207dSDavid Daney select HAVE_KPROBES 80c1bf207dSDavid Daney select HAVE_KRETPROBES 81c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 82786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 8342a0bb3fSPetr Mladek select HAVE_NMI 8412597988SMatt Redfearn select HAVE_PERF_EVENTS 851ddc96bdSTiezhu Yang select HAVE_PERF_REGS 861ddc96bdSTiezhu Yang select HAVE_PERF_USER_STACK_DUMP 8708bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 889ea141adSPaul Burton select HAVE_RSEQ 8916c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 90d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 9112597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 92a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 9312597988SMatt Redfearn select IRQ_FORCED_THREADING 946630a8e5SChristoph Hellwig select ISA if EISA 9512597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 9634c01e41SAlexander Lobakin select MODULES_USE_ELF_RELA if MODULES && 64BIT 9712597988SMatt Redfearn select PERF_USE_VMALLOC 98981aa1d3SThomas Gleixner select PCI_MSI_ARCH_FALLBACKS if PCI_MSI 9905a0a344SArnd Bergmann select RTC_LIB 10012597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 1014aae683fSMasahiro Yamada select TRACE_IRQFLAGS_SUPPORT 10212597988SMatt Redfearn select VIRT_TO_BUS 1030bb87f05SAl Viro select ARCH_HAS_ELFCORE_COMPAT 1041da177e4SLinus Torvalds 105d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR 106d3991572SChristoph Hellwig bool 107d3991572SChristoph Hellwig 108c434b9f8SPaul Cercueilconfig MIPS_GENERIC 109c434b9f8SPaul Cercueil bool 110c434b9f8SPaul Cercueil 111f0f4a753SPaul Cercueilconfig MACH_INGENIC 112f0f4a753SPaul Cercueil bool 113f0f4a753SPaul Cercueil select SYS_SUPPORTS_32BIT_KERNEL 114f0f4a753SPaul Cercueil select SYS_SUPPORTS_LITTLE_ENDIAN 115f0f4a753SPaul Cercueil select SYS_SUPPORTS_ZBOOT 116f0f4a753SPaul Cercueil select DMA_NONCOHERENT 1171660710cSPaul Cercueil select ARCH_HAS_SYNC_DMA_FOR_CPU 118f0f4a753SPaul Cercueil select IRQ_MIPS_CPU 119f0f4a753SPaul Cercueil select PINCTRL 120f0f4a753SPaul Cercueil select GPIOLIB 121f0f4a753SPaul Cercueil select COMMON_CLK 122f0f4a753SPaul Cercueil select GENERIC_IRQ_CHIP 123f0f4a753SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 124f0f4a753SPaul Cercueil select USE_OF 125f0f4a753SPaul Cercueil select CPU_SUPPORTS_CPUFREQ 126f0f4a753SPaul Cercueil select MIPS_EXTERNAL_TIMER 127f0f4a753SPaul Cercueil 1281da177e4SLinus Torvaldsmenu "Machine selection" 1291da177e4SLinus Torvalds 1305e83d430SRalf Baechlechoice 1315e83d430SRalf Baechle prompt "System type" 132c434b9f8SPaul Cercueil default MIPS_GENERIC_KERNEL 1331da177e4SLinus Torvalds 134c434b9f8SPaul Cercueilconfig MIPS_GENERIC_KERNEL 135eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 1364e066441SChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 137c434b9f8SPaul Cercueil select MIPS_GENERIC 138eed0eabdSPaul Burton select BOOT_RAW 139eed0eabdSPaul Burton select BUILTIN_DTB 140eed0eabdSPaul Burton select CEVT_R4K 141eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 142eed0eabdSPaul Burton select COMMON_CLK 143eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 14434c01e41SAlexander Lobakin select CPU_MIPSR2_IRQ_VI 145eed0eabdSPaul Burton select CSRC_R4K 1464e066441SChristoph Hellwig select DMA_NONCOHERENT 147eb01d42aSChristoph Hellwig select HAVE_PCI 148eed0eabdSPaul Burton select IRQ_MIPS_CPU 1490211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 150eed0eabdSPaul Burton select MIPS_CPU_SCACHE 151eed0eabdSPaul Burton select MIPS_GIC 152eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 153eed0eabdSPaul Burton select NO_EXCEPT_FILL 154eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 155eed0eabdSPaul Burton select SMP_UP if SMP 156a3078e59SMatt Redfearn select SWAP_IO_SPACE 157eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 158eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 159eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 160eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 161eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 162eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 163eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 164eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 165eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 166eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 167eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 168eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 169eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 17034c01e41SAlexander Lobakin select SYS_SUPPORTS_MIPS_CPS 171eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 172eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 173eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 174c3e2ee65SPaul Cercueil select SYS_SUPPORTS_ZBOOT 17534c01e41SAlexander Lobakin select UHI_BOOT 1762e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1772e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1782e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1792e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1802e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1812e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 182eed0eabdSPaul Burton select USE_OF 183eed0eabdSPaul Burton help 184eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 185eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 186eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 187eed0eabdSPaul Burton Interface) specification. 188eed0eabdSPaul Burton 18942a4f17dSManuel Laussconfig MIPS_ALCHEMY 190c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 191d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 192f772cdb2SRalf Baechle select CEVT_R4K 193d7ea335cSSteven J. Hill select CSRC_R4K 19467e38cf2SRalf Baechle select IRQ_MIPS_CPU 195a86497d6SChristoph Hellwig select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is 196d3991572SChristoph Hellwig select MIPS_FIXUP_BIGPHYS_ADDR if PCI 19742a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 19842a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 19942a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 200d30a2b47SLinus Walleij select GPIOLIB 2011b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 20247440229SManuel Lauss select COMMON_CLK 2031da177e4SLinus Torvalds 2047ca5dc14SFlorian Fainelliconfig AR7 2057ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 2067ca5dc14SFlorian Fainelli select BOOT_ELF32 207b408b611SArnd Bergmann select COMMON_CLK 2087ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 2097ca5dc14SFlorian Fainelli select CEVT_R4K 2107ca5dc14SFlorian Fainelli select CSRC_R4K 21167e38cf2SRalf Baechle select IRQ_MIPS_CPU 2127ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 2137ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 2147ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 2157ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 2167ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 2177ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 218377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2191b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 220d30a2b47SLinus Walleij select GPIOLIB 2217ca5dc14SFlorian Fainelli select VLYNQ 2227ca5dc14SFlorian Fainelli help 2237ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 2247ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 2257ca5dc14SFlorian Fainelli 22643cc739fSSergey Ryazanovconfig ATH25 22743cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 22843cc739fSSergey Ryazanov select CEVT_R4K 22943cc739fSSergey Ryazanov select CSRC_R4K 23043cc739fSSergey Ryazanov select DMA_NONCOHERENT 23167e38cf2SRalf Baechle select IRQ_MIPS_CPU 2321753e74eSSergey Ryazanov select IRQ_DOMAIN 23343cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 23443cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 23543cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 2368aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 23743cc739fSSergey Ryazanov help 23843cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 23943cc739fSSergey Ryazanov 240d4a67d9dSGabor Juhosconfig ATH79 241d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 242ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 243d4a67d9dSGabor Juhos select BOOT_RAW 244d4a67d9dSGabor Juhos select CEVT_R4K 245d4a67d9dSGabor Juhos select CSRC_R4K 246d4a67d9dSGabor Juhos select DMA_NONCOHERENT 247d30a2b47SLinus Walleij select GPIOLIB 248a08227a2SJohn Crispin select PINCTRL 249411520afSAlban Bedel select COMMON_CLK 25067e38cf2SRalf Baechle select IRQ_MIPS_CPU 251d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 252d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 253d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 254d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 255377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 256b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 25703c8c407SAlban Bedel select USE_OF 25853d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 259d4a67d9dSGabor Juhos help 260d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 261d4a67d9dSGabor Juhos 2625f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2635f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 26429906e1aSÁlvaro Fernández Rojas select ARCH_HAS_RESET_CONTROLLER 265d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 266d666cd02SKevin Cernekee select BOOT_RAW 267d666cd02SKevin Cernekee select NO_EXCEPT_FILL 268d666cd02SKevin Cernekee select USE_OF 269d666cd02SKevin Cernekee select CEVT_R4K 270d666cd02SKevin Cernekee select CSRC_R4K 271d666cd02SKevin Cernekee select SYNC_R4K 272d666cd02SKevin Cernekee select COMMON_CLK 273c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 27460b858f2SKevin Cernekee select BCM7038_L1_IRQ 27560b858f2SKevin Cernekee select BCM7120_L2_IRQ 27660b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 27767e38cf2SRalf Baechle select IRQ_MIPS_CPU 27860b858f2SKevin Cernekee select DMA_NONCOHERENT 279d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 28060b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 281d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 282d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 28360b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 28460b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 28560b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 286d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 287d666cd02SKevin Cernekee select SWAP_IO_SPACE 28860b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 28960b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 29060b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 29160b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2924dc4704cSJustin Chen select HARDIRQS_SW_RESEND 2931d987052SFlorian Fainelli select HAVE_PCI 2941d987052SFlorian Fainelli select PCI_DRIVERS_GENERIC 295d666cd02SKevin Cernekee help 2965f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2975f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2985f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2995f2d4459SKevin Cernekee must be set appropriately for your board. 300d666cd02SKevin Cernekee 3011c0c13ebSAurelien Jarnoconfig BCM47XX 302c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 303fe08f8c2SHauke Mehrtens select BOOT_RAW 30442f77542SRalf Baechle select CEVT_R4K 305940f6b48SRalf Baechle select CSRC_R4K 3061c0c13ebSAurelien Jarno select DMA_NONCOHERENT 307eb01d42aSChristoph Hellwig select HAVE_PCI 30867e38cf2SRalf Baechle select IRQ_MIPS_CPU 309314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 310dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 3111c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 3121c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 313377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 3146507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 31525e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 316e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 317c949c0bcSRafał Miłecki select GPIOLIB 318c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 319f6e734a8SRafał Miłecki select BCM47XX_NVRAM 3202ab71a02SRafał Miłecki select BCM47XX_SPROM 321dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 3221c0c13ebSAurelien Jarno help 3231c0c13ebSAurelien Jarno Support for BCM47XX based boards 3241c0c13ebSAurelien Jarno 325e7300d04SMaxime Bizonconfig BCM63XX 326e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 327ae8de61cSFlorian Fainelli select BOOT_RAW 328e7300d04SMaxime Bizon select CEVT_R4K 329e7300d04SMaxime Bizon select CSRC_R4K 330fc264022SJonas Gorski select SYNC_R4K 331e7300d04SMaxime Bizon select DMA_NONCOHERENT 33267e38cf2SRalf Baechle select IRQ_MIPS_CPU 333e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 334e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 335e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 3365eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS32_3300 3375eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS4350 3385eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS4380 339e7300d04SMaxime Bizon select SWAP_IO_SPACE 340d30a2b47SLinus Walleij select GPIOLIB 341af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 342bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 343e7300d04SMaxime Bizon help 344e7300d04SMaxime Bizon Support for BCM63XX based boards 345e7300d04SMaxime Bizon 3461da177e4SLinus Torvaldsconfig MIPS_COBALT 3473fa986faSMartin Michlmayr bool "Cobalt Server" 34842f77542SRalf Baechle select CEVT_R4K 349940f6b48SRalf Baechle select CSRC_R4K 3501097c6acSYoichi Yuasa select CEVT_GT641XX 3511da177e4SLinus Torvalds select DMA_NONCOHERENT 352eb01d42aSChristoph Hellwig select FORCE_PCI 353d865bea4SRalf Baechle select I8253 3541da177e4SLinus Torvalds select I8259 35567e38cf2SRalf Baechle select IRQ_MIPS_CPU 356d5ab1a69SYoichi Yuasa select IRQ_GT641XX 357252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3587cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3590a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 360ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3610e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3625e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 363e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3641da177e4SLinus Torvalds 3651da177e4SLinus Torvaldsconfig MACH_DECSTATION 3663fa986faSMartin Michlmayr bool "DECstations" 3671da177e4SLinus Torvalds select BOOT_ELF32 3686457d9fcSYoichi Yuasa select CEVT_DS1287 36981d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3704247417dSYoichi Yuasa select CSRC_IOASIC 37181d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 37220d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 37320d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 37420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3751da177e4SLinus Torvalds select DMA_NONCOHERENT 376ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 37767e38cf2SRalf Baechle select IRQ_MIPS_CPU 3787cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3797cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 380ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3817d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3825e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3831723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3841723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3851723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 386930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3875e83d430SRalf Baechle help 3881da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3891da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3901da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3911da177e4SLinus Torvalds 3921da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3931da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3941da177e4SLinus Torvalds 3951da177e4SLinus Torvalds DECstation 5000/50 3961da177e4SLinus Torvalds DECstation 5000/150 3971da177e4SLinus Torvalds DECstation 5000/260 3981da177e4SLinus Torvalds DECsystem 5900/260 3991da177e4SLinus Torvalds 4001da177e4SLinus Torvalds otherwise choose R3000. 4011da177e4SLinus Torvalds 4025e83d430SRalf Baechleconfig MACH_JAZZ 4033fa986faSMartin Michlmayr bool "Jazz family of machines" 40439b2d756SThomas Bogendoerfer select ARC_MEMORY 40539b2d756SThomas Bogendoerfer select ARC_PROMLIB 406a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4077a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4082f9237d4SChristoph Hellwig select DMA_OPS 4090e2794b0SRalf Baechle select FW_ARC 4100e2794b0SRalf Baechle select FW_ARC32 4115e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 41242f77542SRalf Baechle select CEVT_R4K 413940f6b48SRalf Baechle select CSRC_R4K 414e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 4155e83d430SRalf Baechle select GENERIC_ISA_DMA 4168a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 41767e38cf2SRalf Baechle select IRQ_MIPS_CPU 418d865bea4SRalf Baechle select I8253 4195e83d430SRalf Baechle select I8259 4205e83d430SRalf Baechle select ISA 4217cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4225e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 4237d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 4241723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 425aadfe4b5SArnd Bergmann select SYS_SUPPORTS_LITTLE_ENDIAN 4261da177e4SLinus Torvalds help 4275e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 4285e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 429692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 4305e83d430SRalf Baechle Olivetti M700-10 workstations. 4315e83d430SRalf Baechle 432f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC 433de361e8bSPaul Burton bool "Ingenic SoC based machines" 434f0f4a753SPaul Cercueil select MIPS_GENERIC 435f0f4a753SPaul Cercueil select MACH_INGENIC 436f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 437eb384937SPaul Cercueil select CPU_SUPPORTS_CPUFREQ 438eb384937SPaul Cercueil select MIPS_EXTERNAL_TIMER 4395ebabe59SLars-Peter Clausen 440171bb2f1SJohn Crispinconfig LANTIQ 441171bb2f1SJohn Crispin bool "Lantiq based platforms" 442171bb2f1SJohn Crispin select DMA_NONCOHERENT 44367e38cf2SRalf Baechle select IRQ_MIPS_CPU 444171bb2f1SJohn Crispin select CEVT_R4K 445171bb2f1SJohn Crispin select CSRC_R4K 446171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 447171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 448171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 449171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 450377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 451171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 452f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 453171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 454d30a2b47SLinus Walleij select GPIOLIB 455171bb2f1SJohn Crispin select SWAP_IO_SPACE 456171bb2f1SJohn Crispin select BOOT_RAW 457bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 458a0392222SJohn Crispin select USE_OF 4593f8c50c9SJohn Crispin select PINCTRL 4603f8c50c9SJohn Crispin select PINCTRL_LANTIQ 461c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 462c530781cSJohn Crispin select RESET_CONTROLLER 463171bb2f1SJohn Crispin 46430ad29bbSHuacai Chenconfig MACH_LOONGSON32 465caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 466c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 467ade299d8SYoichi Yuasa help 46830ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 46985749d24SWu Zhangjin 47030ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 47130ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 47230ad29bbSHuacai Chen Sciences (CAS). 473ade299d8SYoichi Yuasa 47471e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 47571e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 476ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 477ca585cf9SKelvin Cheung help 47871e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 479ca585cf9SKelvin Cheung 48071e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 481caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4826fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4836fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4846fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4856fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4866fbde6b4SJiaxun Yang select BOOT_ELF32 4876fbde6b4SJiaxun Yang select BOARD_SCACHE 4886fbde6b4SJiaxun Yang select CSRC_R4K 4896fbde6b4SJiaxun Yang select CEVT_R4K 4906fbde6b4SJiaxun Yang select CPU_HAS_WB 4916fbde6b4SJiaxun Yang select FORCE_PCI 4926fbde6b4SJiaxun Yang select ISA 4936fbde6b4SJiaxun Yang select I8259 4946fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4957d6d2837SJiaxun Yang select NO_EXCEPT_FILL 4965125bfeeSTiezhu Yang select NR_CPUS_DEFAULT_64 4976fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4986423e59aSJiaxun Yang select PCI_DRIVERS_GENERIC 4996fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 5006fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 5016fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 5026fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 5036fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 5046fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 5056fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 5066fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 50771e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 508a307a4ceSJinyang He select SYS_SUPPORTS_RELOCATABLE 5096fbde6b4SJiaxun Yang select ZONE_DMA32 51087fcfa7bSJiaxun Yang select COMMON_CLK 51187fcfa7bSJiaxun Yang select USE_OF 51287fcfa7bSJiaxun Yang select BUILTIN_DTB 51339c1485cSHuacai Chen select PCI_HOST_GENERIC 51471e2f4ddSJiaxun Yang help 515caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 516caed1d1bSHuacai Chen 517caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 518caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 519caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 520caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 521ca585cf9SKelvin Cheung 5221da177e4SLinus Torvaldsconfig MIPS_MALTA 5233fa986faSMartin Michlmayr bool "MIPS Malta board" 52461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 525a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5267a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5271da177e4SLinus Torvalds select BOOT_ELF32 528fa71c960SRalf Baechle select BOOT_RAW 529e8823d26SPaul Burton select BUILTIN_DTB 53042f77542SRalf Baechle select CEVT_R4K 531fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 53242b002abSGuenter Roeck select COMMON_CLK 53347bf2b03SMaksym Kokhan select CSRC_R4K 534a86497d6SChristoph Hellwig select DMA_NONCOHERENT 5351da177e4SLinus Torvalds select GENERIC_ISA_DMA 5368a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 537eb01d42aSChristoph Hellwig select HAVE_PCI 538d865bea4SRalf Baechle select I8253 5391da177e4SLinus Torvalds select I8259 54047bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 5415e83d430SRalf Baechle select MIPS_BONITO64 5429318c51aSChris Dearman select MIPS_CPU_SCACHE 54347bf2b03SMaksym Kokhan select MIPS_GIC 544a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5455e83d430SRalf Baechle select MIPS_MSC 54647bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 547ecafe3e9SPaul Burton select SMP_UP if SMP 5481da177e4SLinus Torvalds select SWAP_IO_SPACE 5497cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5507cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 551bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 552c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 553575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5547cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5555d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 556575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5577cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5587cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 559ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 560ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5615e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 562c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5635e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 564424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 56547bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5660365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 567e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 568f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 56947bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5709693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 571f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5721b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 573e8823d26SPaul Burton select USE_OF 574886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 575abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5761da177e4SLinus Torvalds help 577f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5781da177e4SLinus Torvalds board. 5791da177e4SLinus Torvalds 5802572f00dSJoshua Hendersonconfig MACH_PIC32 5812572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5822572f00dSJoshua Henderson help 5832572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5842572f00dSJoshua Henderson 5852572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5862572f00dSJoshua Henderson microcontrollers. 5872572f00dSJoshua Henderson 5885e83d430SRalf Baechleconfig MACH_VR41XX 58974142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 59042f77542SRalf Baechle select CEVT_R4K 591940f6b48SRalf Baechle select CSRC_R4K 5927cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 593377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 594d30a2b47SLinus Walleij select GPIOLIB 5955e83d430SRalf Baechle 596baec970aSLauri Kasanenconfig MACH_NINTENDO64 597baec970aSLauri Kasanen bool "Nintendo 64 console" 598baec970aSLauri Kasanen select CEVT_R4K 599baec970aSLauri Kasanen select CSRC_R4K 600baec970aSLauri Kasanen select SYS_HAS_CPU_R4300 601baec970aSLauri Kasanen select SYS_SUPPORTS_BIG_ENDIAN 602baec970aSLauri Kasanen select SYS_SUPPORTS_ZBOOT 603baec970aSLauri Kasanen select SYS_SUPPORTS_32BIT_KERNEL 604baec970aSLauri Kasanen select SYS_SUPPORTS_64BIT_KERNEL 605baec970aSLauri Kasanen select DMA_NONCOHERENT 606baec970aSLauri Kasanen select IRQ_MIPS_CPU 607baec970aSLauri Kasanen 608ae2b5bb6SJohn Crispinconfig RALINK 609ae2b5bb6SJohn Crispin bool "Ralink based machines" 610ae2b5bb6SJohn Crispin select CEVT_R4K 61135f752beSArnd Bergmann select COMMON_CLK 612ae2b5bb6SJohn Crispin select CSRC_R4K 613ae2b5bb6SJohn Crispin select BOOT_RAW 614ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61567e38cf2SRalf Baechle select IRQ_MIPS_CPU 616ae2b5bb6SJohn Crispin select USE_OF 617ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 618ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 619ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 620ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 621377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 6221f0400d0SChuanhong Guo select SYS_SUPPORTS_ZBOOT 623ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 6242a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6252a153f1cSJohn Crispin select RESET_CONTROLLER 626ae2b5bb6SJohn Crispin 6274042147aSBert Vermeulenconfig MACH_REALTEK_RTL 6284042147aSBert Vermeulen bool "Realtek RTL838x/RTL839x based machines" 6294042147aSBert Vermeulen select MIPS_GENERIC 6304042147aSBert Vermeulen select DMA_NONCOHERENT 6314042147aSBert Vermeulen select IRQ_MIPS_CPU 6324042147aSBert Vermeulen select CSRC_R4K 6334042147aSBert Vermeulen select CEVT_R4K 6344042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R1 6354042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R2 6364042147aSBert Vermeulen select SYS_SUPPORTS_BIG_ENDIAN 6374042147aSBert Vermeulen select SYS_SUPPORTS_32BIT_KERNEL 6384042147aSBert Vermeulen select SYS_SUPPORTS_MIPS16 6394042147aSBert Vermeulen select SYS_SUPPORTS_MULTITHREADING 6404042147aSBert Vermeulen select SYS_SUPPORTS_VPE_LOADER 6414042147aSBert Vermeulen select BOOT_RAW 6424042147aSBert Vermeulen select PINCTRL 6434042147aSBert Vermeulen select USE_OF 6444042147aSBert Vermeulen 6451da177e4SLinus Torvaldsconfig SGI_IP22 6463fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 647c0de00b2SThomas Bogendoerfer select ARC_MEMORY 64839b2d756SThomas Bogendoerfer select ARC_PROMLIB 6490e2794b0SRalf Baechle select FW_ARC 6500e2794b0SRalf Baechle select FW_ARC32 6517a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6521da177e4SLinus Torvalds select BOOT_ELF32 65342f77542SRalf Baechle select CEVT_R4K 654940f6b48SRalf Baechle select CSRC_R4K 655e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6561da177e4SLinus Torvalds select DMA_NONCOHERENT 6576630a8e5SChristoph Hellwig select HAVE_EISA 658d865bea4SRalf Baechle select I8253 65968de4803SThomas Bogendoerfer select I8259 6601da177e4SLinus Torvalds select IP22_CPU_SCACHE 66167e38cf2SRalf Baechle select IRQ_MIPS_CPU 662aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 663e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 664e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 66536e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 666e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 667e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 668e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6691da177e4SLinus Torvalds select SWAP_IO_SPACE 6707cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6717cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 672c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 673ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 674ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6755e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 676802b8362SThomas Bogendoerfer select WAR_R4600_V1_INDEX_ICACHEOP 6775e5b6527SThomas Bogendoerfer select WAR_R4600_V1_HIT_CACHEOP 67844def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 679930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6801da177e4SLinus Torvalds help 6811da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6821da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6831da177e4SLinus Torvalds that runs on these, say Y here. 6841da177e4SLinus Torvalds 6851da177e4SLinus Torvaldsconfig SGI_IP27 6863fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 68754aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 688397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 6890e2794b0SRalf Baechle select FW_ARC 6900e2794b0SRalf Baechle select FW_ARC64 691e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 6925e83d430SRalf Baechle select BOOT_ELF64 693e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 69404100459SChristoph Hellwig select FORCE_PCI 69536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 696eb01d42aSChristoph Hellwig select HAVE_PCI 69769a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 698e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 699130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 700a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 701a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7027cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 703ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7045e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 705d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7061a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 707256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 708930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7096c86a302SMike Rapoport select NUMA 7101da177e4SLinus Torvalds help 7111da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7121da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7131da177e4SLinus Torvalds here. 7141da177e4SLinus Torvalds 715e2defae5SThomas Bogendoerferconfig SGI_IP28 7167d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 717c0de00b2SThomas Bogendoerfer select ARC_MEMORY 71839b2d756SThomas Bogendoerfer select ARC_PROMLIB 7190e2794b0SRalf Baechle select FW_ARC 7200e2794b0SRalf Baechle select FW_ARC64 7217a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 722e2defae5SThomas Bogendoerfer select BOOT_ELF64 723e2defae5SThomas Bogendoerfer select CEVT_R4K 724e2defae5SThomas Bogendoerfer select CSRC_R4K 725e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 726e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 727e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 72867e38cf2SRalf Baechle select IRQ_MIPS_CPU 7296630a8e5SChristoph Hellwig select HAVE_EISA 730e2defae5SThomas Bogendoerfer select I8253 731e2defae5SThomas Bogendoerfer select I8259 732e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 733e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7345b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 735e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 736e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 737e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 738e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 739e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 740c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 741e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 742e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 743256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 744dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 745e2defae5SThomas Bogendoerfer help 746e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 747e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 748e2defae5SThomas Bogendoerfer 7497505576dSThomas Bogendoerferconfig SGI_IP30 7507505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7517505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7527505576dSThomas Bogendoerfer select FW_ARC 7537505576dSThomas Bogendoerfer select FW_ARC64 7547505576dSThomas Bogendoerfer select BOOT_ELF64 7557505576dSThomas Bogendoerfer select CEVT_R4K 7567505576dSThomas Bogendoerfer select CSRC_R4K 75704100459SChristoph Hellwig select FORCE_PCI 7587505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7597505576dSThomas Bogendoerfer select ZONE_DMA32 7607505576dSThomas Bogendoerfer select HAVE_PCI 7617505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7627505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7637505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7647505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7657505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7667505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7677505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7687505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7697505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 770256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 7717505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7727505576dSThomas Bogendoerfer select ARC_MEMORY 7737505576dSThomas Bogendoerfer help 7747505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 7757505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 7767505576dSThomas Bogendoerfer 7771da177e4SLinus Torvaldsconfig SGI_IP32 778cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 77939b2d756SThomas Bogendoerfer select ARC_MEMORY 78039b2d756SThomas Bogendoerfer select ARC_PROMLIB 78103df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7820e2794b0SRalf Baechle select FW_ARC 7830e2794b0SRalf Baechle select FW_ARC32 7841da177e4SLinus Torvalds select BOOT_ELF32 78542f77542SRalf Baechle select CEVT_R4K 786940f6b48SRalf Baechle select CSRC_R4K 7871da177e4SLinus Torvalds select DMA_NONCOHERENT 788eb01d42aSChristoph Hellwig select HAVE_PCI 78967e38cf2SRalf Baechle select IRQ_MIPS_CPU 7901da177e4SLinus Torvalds select R5000_CPU_SCACHE 7911da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7927cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7937cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7947cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 795dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 796ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7975e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 798886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 7991da177e4SLinus Torvalds help 8001da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8011da177e4SLinus Torvalds 802ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 803ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8045e83d430SRalf Baechle select BOOT_ELF32 8055e83d430SRalf Baechle select SIBYTE_BCM1120 8065e83d430SRalf Baechle select SWAP_IO_SPACE 8077cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8085e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8095e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8105e83d430SRalf Baechle 811ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 812ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8135e83d430SRalf Baechle select BOOT_ELF32 8145e83d430SRalf Baechle select SIBYTE_BCM1120 8155e83d430SRalf Baechle select SWAP_IO_SPACE 8167cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8175e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8185e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8195e83d430SRalf Baechle 8205e83d430SRalf Baechleconfig SIBYTE_CRHONE 8213fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8225e83d430SRalf Baechle select BOOT_ELF32 8235e83d430SRalf Baechle select SIBYTE_BCM1125 8245e83d430SRalf Baechle select SWAP_IO_SPACE 8257cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8265e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8275e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8285e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8295e83d430SRalf Baechle 830ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 831ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 832ade299d8SYoichi Yuasa select BOOT_ELF32 833ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 834ade299d8SYoichi Yuasa select SWAP_IO_SPACE 835ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 836ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 837ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 838ade299d8SYoichi Yuasa 839ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 840ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 841ade299d8SYoichi Yuasa select BOOT_ELF32 842fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 843ade299d8SYoichi Yuasa select SIBYTE_SB1250 844ade299d8SYoichi Yuasa select SWAP_IO_SPACE 845ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 846ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 847ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 848ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 849cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 850e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 851ade299d8SYoichi Yuasa 852ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 853ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 854ade299d8SYoichi Yuasa select BOOT_ELF32 855fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 856ade299d8SYoichi Yuasa select SIBYTE_SB1250 857ade299d8SYoichi Yuasa select SWAP_IO_SPACE 858ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 859ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 860ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 861ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 862756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 863ade299d8SYoichi Yuasa 864ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 865ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 866ade299d8SYoichi Yuasa select BOOT_ELF32 867ade299d8SYoichi Yuasa select SIBYTE_SB1250 868ade299d8SYoichi Yuasa select SWAP_IO_SPACE 869ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 870ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 871ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 872e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 873ade299d8SYoichi Yuasa 874ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 875ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 876ade299d8SYoichi Yuasa select BOOT_ELF32 877ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 878ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 879ade299d8SYoichi Yuasa select SWAP_IO_SPACE 880ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 881ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 882651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 883ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 884cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 885e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 886ade299d8SYoichi Yuasa 88714b36af4SThomas Bogendoerferconfig SNI_RM 88814b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 88939b2d756SThomas Bogendoerfer select ARC_MEMORY 89039b2d756SThomas Bogendoerfer select ARC_PROMLIB 8910e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8920e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 893aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8945e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 895a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8967a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8975e83d430SRalf Baechle select BOOT_ELF32 89842f77542SRalf Baechle select CEVT_R4K 899940f6b48SRalf Baechle select CSRC_R4K 900e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9015e83d430SRalf Baechle select DMA_NONCOHERENT 9025e83d430SRalf Baechle select GENERIC_ISA_DMA 9036630a8e5SChristoph Hellwig select HAVE_EISA 9048a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 905eb01d42aSChristoph Hellwig select HAVE_PCI 90667e38cf2SRalf Baechle select IRQ_MIPS_CPU 907d865bea4SRalf Baechle select I8253 9085e83d430SRalf Baechle select I8259 9095e83d430SRalf Baechle select ISA 910564c836fSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_6 9114a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9127cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9134a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 914c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9154a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 91636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 917ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9187d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9194a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9205e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9215e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 92244def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 9231da177e4SLinus Torvalds help 92414b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 92514b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9265e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9275e83d430SRalf Baechle support this machine type. 9281da177e4SLinus Torvalds 929edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 930edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9315e83d430SRalf Baechle 932edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 933edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 93424a1c023SThomas Bogendoerfer select WAR_TX49XX_ICACHE_INDEX_INV 93523fbee9dSRalf Baechle 93673b4390fSRalf Baechleconfig MIKROTIK_RB532 93773b4390fSRalf Baechle bool "Mikrotik RB532 boards" 93873b4390fSRalf Baechle select CEVT_R4K 93973b4390fSRalf Baechle select CSRC_R4K 94073b4390fSRalf Baechle select DMA_NONCOHERENT 941eb01d42aSChristoph Hellwig select HAVE_PCI 94267e38cf2SRalf Baechle select IRQ_MIPS_CPU 94373b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 94473b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 94573b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 94673b4390fSRalf Baechle select SWAP_IO_SPACE 94773b4390fSRalf Baechle select BOOT_RAW 948d30a2b47SLinus Walleij select GPIOLIB 949930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 95073b4390fSRalf Baechle help 95173b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 95273b4390fSRalf Baechle based on the IDT RC32434 SoC. 95373b4390fSRalf Baechle 9549ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9559ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 956a86c7f72SDavid Daney select CEVT_R4K 957ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9581753d50cSChristoph Hellwig select HAVE_RAPIDIO 959d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 960a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 961a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 962f65aad41SRalf Baechle select EDAC_SUPPORT 963b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 96473569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 96573569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 966a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9675e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 968eb01d42aSChristoph Hellwig select HAVE_PCI 96978bdbbacSMasahiro Yamada select HAVE_PLAT_DELAY 97078bdbbacSMasahiro Yamada select HAVE_PLAT_FW_INIT_CMDLINE 97178bdbbacSMasahiro Yamada select HAVE_PLAT_MEMCPY 972f00e001eSDavid Daney select ZONE_DMA32 973d30a2b47SLinus Walleij select GPIOLIB 9746e511163SDavid Daney select USE_OF 9756e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9766e511163SDavid Daney select SYS_SUPPORTS_SMP 9777820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9787820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 979e326479fSAndrew Bresticker select BUILTIN_DTB 980f766b28aSJulian Braha select MTD 9818c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 98209230cbcSChristoph Hellwig select SWIOTLB 9833ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 984a86c7f72SDavid Daney help 985a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 986a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 987a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 988a86c7f72SDavid Daney Some of the supported boards are: 989a86c7f72SDavid Daney EBT3000 990a86c7f72SDavid Daney EBH3000 991a86c7f72SDavid Daney EBH3100 992a86c7f72SDavid Daney Thunder 993a86c7f72SDavid Daney Kodama 994a86c7f72SDavid Daney Hikari 995a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 996a86c7f72SDavid Daney 9971da177e4SLinus Torvaldsendchoice 9981da177e4SLinus Torvalds 999e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10003b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1001d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1002a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1003e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10048945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1005eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 1006a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig" 10075e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10088ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10092572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1010ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 101129c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 101238b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 101322b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10145e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1015a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 101671e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 101730ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 101830ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 101938b18f72SRalf Baechle 10205e83d430SRalf Baechleendmenu 10215e83d430SRalf Baechle 10223c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10233c9ee7efSAkinobu Mita bool 10243c9ee7efSAkinobu Mita default y 10253c9ee7efSAkinobu Mita 10261da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10271da177e4SLinus Torvalds bool 10281da177e4SLinus Torvalds default y 10291da177e4SLinus Torvalds 1030ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10311cc89038SAtsushi Nemoto bool 10321cc89038SAtsushi Nemoto default y 10331cc89038SAtsushi Nemoto 10341da177e4SLinus Torvalds# 10351da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10361da177e4SLinus Torvalds# 10370e2794b0SRalf Baechleconfig FW_ARC 10381da177e4SLinus Torvalds bool 10391da177e4SLinus Torvalds 104061ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 104161ed242dSRalf Baechle bool 104261ed242dSRalf Baechle 10439267a30dSMarc St-Jeanconfig BOOT_RAW 10449267a30dSMarc St-Jean bool 10459267a30dSMarc St-Jean 1046217dd11eSRalf Baechleconfig CEVT_BCM1480 1047217dd11eSRalf Baechle bool 1048217dd11eSRalf Baechle 10496457d9fcSYoichi Yuasaconfig CEVT_DS1287 10506457d9fcSYoichi Yuasa bool 10516457d9fcSYoichi Yuasa 10521097c6acSYoichi Yuasaconfig CEVT_GT641XX 10531097c6acSYoichi Yuasa bool 10541097c6acSYoichi Yuasa 105542f77542SRalf Baechleconfig CEVT_R4K 105642f77542SRalf Baechle bool 105742f77542SRalf Baechle 1058217dd11eSRalf Baechleconfig CEVT_SB1250 1059217dd11eSRalf Baechle bool 1060217dd11eSRalf Baechle 1061229f773eSAtsushi Nemotoconfig CEVT_TXX9 1062229f773eSAtsushi Nemoto bool 1063229f773eSAtsushi Nemoto 1064217dd11eSRalf Baechleconfig CSRC_BCM1480 1065217dd11eSRalf Baechle bool 1066217dd11eSRalf Baechle 10674247417dSYoichi Yuasaconfig CSRC_IOASIC 10684247417dSYoichi Yuasa bool 10694247417dSYoichi Yuasa 1070940f6b48SRalf Baechleconfig CSRC_R4K 107138586428SSerge Semin select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1072940f6b48SRalf Baechle bool 1073940f6b48SRalf Baechle 1074217dd11eSRalf Baechleconfig CSRC_SB1250 1075217dd11eSRalf Baechle bool 1076217dd11eSRalf Baechle 1077a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1078a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1079a7f4df4eSAlex Smith 1080a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1081d30a2b47SLinus Walleij select GPIOLIB 1082a9aec7feSAtsushi Nemoto bool 1083a9aec7feSAtsushi Nemoto 10840e2794b0SRalf Baechleconfig FW_CFE 1085df78b5c8SAurelien Jarno bool 1086df78b5c8SAurelien Jarno 108740e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 108840e084a5SRalf Baechle bool 108940e084a5SRalf Baechle 109020d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 109120d33064SPaul Burton bool 1092347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 10935748e1b3SChristoph Hellwig select DMA_NONCOHERENT 109420d33064SPaul Burton 10951da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 10961da177e4SLinus Torvalds bool 1097db91427bSChristoph Hellwig # 1098db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1099db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1100db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1101db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1102db91427bSChristoph Hellwig # significant advantages. 1103db91427bSChristoph Hellwig # 1104419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1105fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_PREP_COHERENT 1106f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1107fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_SET_UNCACHED 110834dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 110934dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 11104ce588cdSRalf Baechle 111136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11121da177e4SLinus Torvalds bool 11131da177e4SLinus Torvalds 11141b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1115dbb74540SRalf Baechle bool 1116dbb74540SRalf Baechle 11171da177e4SLinus Torvaldsconfig MIPS_BONITO64 11181da177e4SLinus Torvalds bool 11191da177e4SLinus Torvalds 11201da177e4SLinus Torvaldsconfig MIPS_MSC 11211da177e4SLinus Torvalds bool 11221da177e4SLinus Torvalds 112339b8d525SRalf Baechleconfig SYNC_R4K 112439b8d525SRalf Baechle bool 112539b8d525SRalf Baechle 1126ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1127d388d685SMaciej W. Rozycki def_bool n 1128d388d685SMaciej W. Rozycki 11294e0748f5SMarkos Chandrasconfig GENERIC_CSUM 113018d84e2eSAlexander Lobakin def_bool CPU_NO_LOAD_STORE_LR 11314e0748f5SMarkos Chandras 11328313da30SRalf Baechleconfig GENERIC_ISA_DMA 11338313da30SRalf Baechle bool 11348313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1135a35bee8aSNamhyung Kim select ISA_DMA_API 11368313da30SRalf Baechle 1137aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1138aa414dffSRalf Baechle bool 11398313da30SRalf Baechle select GENERIC_ISA_DMA 1140aa414dffSRalf Baechle 114178bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY 114278bdbbacSMasahiro Yamada bool 114378bdbbacSMasahiro Yamada 114478bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE 114578bdbbacSMasahiro Yamada bool 114678bdbbacSMasahiro Yamada 114778bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY 114878bdbbacSMasahiro Yamada bool 114978bdbbacSMasahiro Yamada 1150a35bee8aSNamhyung Kimconfig ISA_DMA_API 1151a35bee8aSNamhyung Kim bool 1152a35bee8aSNamhyung Kim 11538c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11548c530ea3SMatt Redfearn bool 11558c530ea3SMatt Redfearn help 11568c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11578c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11588c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11598c530ea3SMatt Redfearn 11605e83d430SRalf Baechle# 11616b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11625e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11635e83d430SRalf Baechle# choice statement should be more obvious to the user. 11645e83d430SRalf Baechle# 11655e83d430SRalf Baechlechoice 11666b2aac42SMasanari Iida prompt "Endianness selection" 11671da177e4SLinus Torvalds help 11681da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11695e83d430SRalf Baechle byte order. These modes require different kernels and a different 11703cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11715e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11723dde6ad8SDavid Sterba one or the other endianness. 11735e83d430SRalf Baechle 11745e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11755e83d430SRalf Baechle bool "Big endian" 11765e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11775e83d430SRalf Baechle 11785e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11795e83d430SRalf Baechle bool "Little endian" 11805e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11815e83d430SRalf Baechle 11825e83d430SRalf Baechleendchoice 11835e83d430SRalf Baechle 118422b0763aSDavid Daneyconfig EXPORT_UASM 118522b0763aSDavid Daney bool 118622b0763aSDavid Daney 11872116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 11882116245eSRalf Baechle bool 11892116245eSRalf Baechle 11905e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 11915e83d430SRalf Baechle bool 11925e83d430SRalf Baechle 11935e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 11945e83d430SRalf Baechle bool 11951da177e4SLinus Torvalds 1196aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1197aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1198aa1762f4SDavid Daney 11999267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12009267a30dSMarc St-Jean bool 12019267a30dSMarc St-Jean 12029267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12039267a30dSMarc St-Jean bool 12049267a30dSMarc St-Jean 12058420fd00SAtsushi Nemotoconfig IRQ_TXX9 12068420fd00SAtsushi Nemoto bool 12078420fd00SAtsushi Nemoto 1208d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1209d5ab1a69SYoichi Yuasa bool 1210d5ab1a69SYoichi Yuasa 1211252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12121da177e4SLinus Torvalds bool 12131da177e4SLinus Torvalds 1214a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1215a57140e9SThomas Bogendoerfer bool 1216a57140e9SThomas Bogendoerfer 12179267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12189267a30dSMarc St-Jean bool 12199267a30dSMarc St-Jean 1220a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1221a7e07b1aSMarkos Chandras bool 1222a7e07b1aSMarkos Chandras 12231da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12241da177e4SLinus Torvalds bool 12251da177e4SLinus Torvalds 1226e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1227e2defae5SThomas Bogendoerfer bool 1228e2defae5SThomas Bogendoerfer 12295b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12305b438c44SThomas Bogendoerfer bool 12315b438c44SThomas Bogendoerfer 1232e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1233e2defae5SThomas Bogendoerfer bool 1234e2defae5SThomas Bogendoerfer 1235e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1236e2defae5SThomas Bogendoerfer bool 1237e2defae5SThomas Bogendoerfer 1238e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1239e2defae5SThomas Bogendoerfer bool 1240e2defae5SThomas Bogendoerfer 1241e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1242e2defae5SThomas Bogendoerfer bool 1243e2defae5SThomas Bogendoerfer 1244e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1245e2defae5SThomas Bogendoerfer bool 1246e2defae5SThomas Bogendoerfer 12470e2794b0SRalf Baechleconfig FW_ARC32 12485e83d430SRalf Baechle bool 12495e83d430SRalf Baechle 1250aaa9fad3SPaul Bolleconfig FW_SNIPROM 1251231a35d3SThomas Bogendoerfer bool 1252231a35d3SThomas Bogendoerfer 12531da177e4SLinus Torvaldsconfig BOOT_ELF32 12541da177e4SLinus Torvalds bool 12551da177e4SLinus Torvalds 1256930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1257930beb5aSFlorian Fainelli bool 1258930beb5aSFlorian Fainelli 1259930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1260930beb5aSFlorian Fainelli bool 1261930beb5aSFlorian Fainelli 1262930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1263930beb5aSFlorian Fainelli bool 1264930beb5aSFlorian Fainelli 1265930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1266930beb5aSFlorian Fainelli bool 1267930beb5aSFlorian Fainelli 12681da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12691da177e4SLinus Torvalds int 1270a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12715432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 12725432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 12735432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 12741da177e4SLinus Torvalds default "5" 12751da177e4SLinus Torvalds 1276e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1277e9422427SThomas Bogendoerfer bool 1278e9422427SThomas Bogendoerfer 12791da177e4SLinus Torvaldsconfig ARC_CONSOLE 12801da177e4SLinus Torvalds bool "ARC console support" 1281e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12821da177e4SLinus Torvalds 12831da177e4SLinus Torvaldsconfig ARC_MEMORY 12841da177e4SLinus Torvalds bool 12851da177e4SLinus Torvalds 12861da177e4SLinus Torvaldsconfig ARC_PROMLIB 12871da177e4SLinus Torvalds bool 12881da177e4SLinus Torvalds 12890e2794b0SRalf Baechleconfig FW_ARC64 12901da177e4SLinus Torvalds bool 12911da177e4SLinus Torvalds 12921da177e4SLinus Torvaldsconfig BOOT_ELF64 12931da177e4SLinus Torvalds bool 12941da177e4SLinus Torvalds 12951da177e4SLinus Torvaldsmenu "CPU selection" 12961da177e4SLinus Torvalds 12971da177e4SLinus Torvaldschoice 12981da177e4SLinus Torvalds prompt "CPU type" 12991da177e4SLinus Torvalds default CPU_R4X00 13001da177e4SLinus Torvalds 1301268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1302caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1303268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1304d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 130551522217SJiaxun Yang select CPU_MIPSR2 130651522217SJiaxun Yang select CPU_HAS_PREFETCH 13070e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13080e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13090e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13107507445bSHuacai Chen select CPU_SUPPORTS_MSA 131151522217SJiaxun Yang select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 131251522217SJiaxun Yang select CPU_MIPSR2_IRQ_VI 13130e476d91SHuacai Chen select WEAK_ORDERING 13140e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 13157507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1316b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 131717c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 13187f3b3c2bSJackie Liu select MIPS_FP_SUPPORT 1319d30a2b47SLinus Walleij select GPIOLIB 132009230cbcSChristoph Hellwig select SWIOTLB 13210f78355cSHuacai Chen select HAVE_KVM 13220e476d91SHuacai Chen help 1323caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1324caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1325caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1326caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1327caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 13280e476d91SHuacai Chen 1329caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1330caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 13311e820da3SHuacai Chen default n 1332268a2d60SJiaxun Yang depends on CPU_LOONGSON64 13331e820da3SHuacai Chen help 1334caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 13351e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1336268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 13371e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13381e820da3SHuacai Chen Fast TLB refill support, etc. 13391e820da3SHuacai Chen 13401e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13411e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13421e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1343caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 13441e820da3SHuacai Chen 1345e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1346caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1347e02e07e3SHuacai Chen default y if SMP 1348268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1349e02e07e3SHuacai Chen help 1350caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1351e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1352e02e07e3SHuacai Chen 1353caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1354e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1355e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1356e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1357e02e07e3SHuacai Chen 1358e02e07e3SHuacai Chen If unsure, please say Y. 1359e02e07e3SHuacai Chen 1360ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION 1361ec7a9318SWANG Xuerui bool "Emulate the CPUCFG instruction on older Loongson cores" 1362ec7a9318SWANG Xuerui default y 1363ec7a9318SWANG Xuerui depends on CPU_LOONGSON64 1364ec7a9318SWANG Xuerui help 1365ec7a9318SWANG Xuerui Loongson-3A R4 and newer have the CPUCFG instruction available for 1366ec7a9318SWANG Xuerui userland to query CPU capabilities, much like CPUID on x86. This 1367ec7a9318SWANG Xuerui option provides emulation of the instruction on older Loongson 1368ec7a9318SWANG Xuerui cores, back to Loongson-3A1000. 1369ec7a9318SWANG Xuerui 1370ec7a9318SWANG Xuerui If unsure, please say Y. 1371ec7a9318SWANG Xuerui 13723702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13733702bba5SWu Zhangjin bool "Loongson 2E" 13743702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1375268a2d60SJiaxun Yang select CPU_LOONGSON2EF 13762a21c730SFuxin Zhang help 13772a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13782a21c730SFuxin Zhang with many extensions. 13792a21c730SFuxin Zhang 138025985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13816f7a251aSWu Zhangjin bonito64. 13826f7a251aSWu Zhangjin 13836f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13846f7a251aSWu Zhangjin bool "Loongson 2F" 13856f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1386268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1387d30a2b47SLinus Walleij select GPIOLIB 13886f7a251aSWu Zhangjin help 13896f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13906f7a251aSWu Zhangjin with many extensions. 13916f7a251aSWu Zhangjin 13926f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13936f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13946f7a251aSWu Zhangjin Loongson2E. 13956f7a251aSWu Zhangjin 1396ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1397ca585cf9SKelvin Cheung bool "Loongson 1B" 1398ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1399b2afb64cSHuacai Chen select CPU_LOONGSON32 14009ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1401ca585cf9SKelvin Cheung help 1402ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1403968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1404968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1405ca585cf9SKelvin Cheung 140612e3280bSYang Lingconfig CPU_LOONGSON1C 140712e3280bSYang Ling bool "Loongson 1C" 140812e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1409b2afb64cSHuacai Chen select CPU_LOONGSON32 141012e3280bSYang Ling select LEDS_GPIO_REGISTER 141112e3280bSYang Ling help 141212e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1413968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1414968dc5a0S谢致邦 (XIE Zhibang) instruction set. 141512e3280bSYang Ling 14166e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14176e760c8dSRalf Baechle bool "MIPS32 Release 1" 14187cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14196e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1420797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1421ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14226e760c8dSRalf Baechle help 14235e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14241e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14251e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14261e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14271e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14281e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14291e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14301e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14311e5f1caaSRalf Baechle performance. 14321e5f1caaSRalf Baechle 14331e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14341e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14357cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14361e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1437797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1438ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1439a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14402235a54dSSanjay Lal select HAVE_KVM 14411e5f1caaSRalf Baechle help 14425e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14436e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14446e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14456e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14466e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14471da177e4SLinus Torvalds 1448ab7c01fdSSerge Seminconfig CPU_MIPS32_R5 1449ab7c01fdSSerge Semin bool "MIPS32 Release 5" 1450ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS32_R5 1451ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1452ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1453ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1454ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1455ab7c01fdSSerge Semin select HAVE_KVM 1456ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT 1457ab7c01fdSSerge Semin help 1458ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1459ab7c01fdSSerge Semin MIPS32 architecture. New MIPS processors, starting with the Warrior 1460ab7c01fdSSerge Semin family, are based on a MIPS32r5 processor. If you own an older 1461ab7c01fdSSerge Semin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1462ab7c01fdSSerge Semin 14637fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1464674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14657fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14667fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 146718d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 14687fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14697fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14707fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14717fd08ca5SLeonid Yegoshin select HAVE_KVM 14727fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14737fd08ca5SLeonid Yegoshin help 14747fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14757fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14767fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14777fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14787fd08ca5SLeonid Yegoshin 14796e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14806e760c8dSRalf Baechle bool "MIPS64 Release 1" 14817cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1482797798c1SRalf Baechle select CPU_HAS_PREFETCH 1483ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1484ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1485ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14869cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14876e760c8dSRalf Baechle help 14886e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14896e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14906e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14916e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14926e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14931e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14941e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14951e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14961e5f1caaSRalf Baechle performance. 14971e5f1caaSRalf Baechle 14981e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 14991e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15007cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1501797798c1SRalf Baechle select CPU_HAS_PREFETCH 15021e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15031e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1504ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15059cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1506a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 150740a2df49SJames Hogan select HAVE_KVM 15081e5f1caaSRalf Baechle help 15091e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15101e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15111e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15121e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15131e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15141da177e4SLinus Torvalds 1515ab7c01fdSSerge Seminconfig CPU_MIPS64_R5 1516ab7c01fdSSerge Semin bool "MIPS64 Release 5" 1517ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS64_R5 1518ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1519ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1520ab7c01fdSSerge Semin select CPU_SUPPORTS_64BIT_KERNEL 1521ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1522ab7c01fdSSerge Semin select CPU_SUPPORTS_HUGEPAGES 1523ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1524ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1525ab7c01fdSSerge Semin select HAVE_KVM 1526ab7c01fdSSerge Semin help 1527ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1528ab7c01fdSSerge Semin MIPS64 architecture. This is a intermediate MIPS architecture 1529ab7c01fdSSerge Semin release partly implementing release 6 features. Though there is no 1530ab7c01fdSSerge Semin any hardware known to be based on this release. 1531ab7c01fdSSerge Semin 15327fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1533674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15347fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15357fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 153618d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 15377fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15387fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15397fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1540afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 15417fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15422e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 154340a2df49SJames Hogan select HAVE_KVM 15447fd08ca5SLeonid Yegoshin help 15457fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15467fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15477fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15487fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15497fd08ca5SLeonid Yegoshin 1550281e3aeaSSerge Seminconfig CPU_P5600 1551281e3aeaSSerge Semin bool "MIPS Warrior P5600" 1552281e3aeaSSerge Semin depends on SYS_HAS_CPU_P5600 1553281e3aeaSSerge Semin select CPU_HAS_PREFETCH 1554281e3aeaSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1555281e3aeaSSerge Semin select CPU_SUPPORTS_HIGHMEM 1556281e3aeaSSerge Semin select CPU_SUPPORTS_MSA 1557281e3aeaSSerge Semin select CPU_SUPPORTS_CPUFREQ 1558281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_VI 1559281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_EI 1560281e3aeaSSerge Semin select HAVE_KVM 1561281e3aeaSSerge Semin select MIPS_O32_FP64_SUPPORT 1562281e3aeaSSerge Semin help 1563281e3aeaSSerge Semin Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1564281e3aeaSSerge Semin It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1565281e3aeaSSerge Semin MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1566281e3aeaSSerge Semin level features like up to six P5600 calculation cores, CM2 with L2 1567281e3aeaSSerge Semin cache, IOCU/IOMMU (though might be unused depending on the system- 1568281e3aeaSSerge Semin specific IP core configuration), GIC, CPC, virtualisation module, 1569281e3aeaSSerge Semin eJTAG and PDtrace. 1570281e3aeaSSerge Semin 15711da177e4SLinus Torvaldsconfig CPU_R3000 15721da177e4SLinus Torvalds bool "R3000" 15737cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1574f7062ddbSRalf Baechle select CPU_HAS_WB 157554746829SPaul Burton select CPU_R3K_TLB 1576ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1577797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15781da177e4SLinus Torvalds help 15791da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15801da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15811da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15821da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15831da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15841da177e4SLinus Torvalds try to recompile with R3000. 15851da177e4SLinus Torvalds 15861da177e4SLinus Torvaldsconfig CPU_TX39XX 15871da177e4SLinus Torvalds bool "R39XX" 15887cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1589ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 159054746829SPaul Burton select CPU_R3K_TLB 15911da177e4SLinus Torvalds 15921da177e4SLinus Torvaldsconfig CPU_VR41XX 15931da177e4SLinus Torvalds bool "R41xx" 15947cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1595ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15971da177e4SLinus Torvalds help 15985e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15991da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16001da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16011da177e4SLinus Torvalds processor or vice versa. 16021da177e4SLinus Torvalds 160365ce6197SLauri Kasanenconfig CPU_R4300 160465ce6197SLauri Kasanen bool "R4300" 160565ce6197SLauri Kasanen depends on SYS_HAS_CPU_R4300 160665ce6197SLauri Kasanen select CPU_SUPPORTS_32BIT_KERNEL 160765ce6197SLauri Kasanen select CPU_SUPPORTS_64BIT_KERNEL 160865ce6197SLauri Kasanen help 160965ce6197SLauri Kasanen MIPS Technologies R4300-series processors. 161065ce6197SLauri Kasanen 16111da177e4SLinus Torvaldsconfig CPU_R4X00 16121da177e4SLinus Torvalds bool "R4x00" 16137cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1614ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1615ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1616970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16171da177e4SLinus Torvalds help 16181da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16191da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16201da177e4SLinus Torvalds 16211da177e4SLinus Torvaldsconfig CPU_TX49XX 16221da177e4SLinus Torvalds bool "R49XX" 16237cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1624de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1625ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1626ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1627970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16281da177e4SLinus Torvalds 16291da177e4SLinus Torvaldsconfig CPU_R5000 16301da177e4SLinus Torvalds bool "R5000" 16317cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1632ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1633ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1634970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16351da177e4SLinus Torvalds help 16361da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16371da177e4SLinus Torvalds 1638542c1020SShinya Kuribayashiconfig CPU_R5500 1639542c1020SShinya Kuribayashi bool "R5500" 1640542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1641542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1642542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16439cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1644542c1020SShinya Kuribayashi help 1645542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1646542c1020SShinya Kuribayashi instruction set. 1647542c1020SShinya Kuribayashi 16481da177e4SLinus Torvaldsconfig CPU_NEVADA 16491da177e4SLinus Torvalds bool "RM52xx" 16507cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1651ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1652ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1653970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16541da177e4SLinus Torvalds help 16551da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16561da177e4SLinus Torvalds 16571da177e4SLinus Torvaldsconfig CPU_R10000 16581da177e4SLinus Torvalds bool "R10000" 16597cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16605e83d430SRalf Baechle select CPU_HAS_PREFETCH 1661ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1662ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1663797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1664970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16651da177e4SLinus Torvalds help 16661da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16671da177e4SLinus Torvalds 16681da177e4SLinus Torvaldsconfig CPU_RM7000 16691da177e4SLinus Torvalds bool "RM7000" 16707cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16715e83d430SRalf Baechle select CPU_HAS_PREFETCH 1672ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1673ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1674797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1675970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16761da177e4SLinus Torvalds 16771da177e4SLinus Torvaldsconfig CPU_SB1 16781da177e4SLinus Torvalds bool "SB1" 16797cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1680ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1681ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1682797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1683970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16840004a9dfSRalf Baechle select WEAK_ORDERING 16851da177e4SLinus Torvalds 1686a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1687a86c7f72SDavid Daney bool "Cavium Octeon processor" 16885e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1689a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1690a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1691a86c7f72SDavid Daney select WEAK_ORDERING 1692a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16939cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1694df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1695df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1696930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 16970ae3abcdSJames Hogan select HAVE_KVM 1698a86c7f72SDavid Daney help 1699a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1700a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1701a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1702a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1703a86c7f72SDavid Daney 1704cd746249SJonas Gorskiconfig CPU_BMIPS 1705cd746249SJonas Gorski bool "Broadcom BMIPS" 1706cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1707cd746249SJonas Gorski select CPU_MIPS32 1708fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1709cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1710cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1711cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1712cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1713cd746249SJonas Gorski select DMA_NONCOHERENT 171467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1715cd746249SJonas Gorski select SWAP_IO_SPACE 1716cd746249SJonas Gorski select WEAK_ORDERING 1717c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 171869aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1719a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1720a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1721bf8bde41SFlorian Fainelli select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 1722c1c0c461SKevin Cernekee help 1723fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1724c1c0c461SKevin Cernekee 17251da177e4SLinus Torvaldsendchoice 17261da177e4SLinus Torvalds 1727a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1728a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1729a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1730281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1731281e3aeaSSerge Semin CPU_P5600 1732a6e18781SLeonid Yegoshin help 1733a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1734a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1735a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1736a6e18781SLeonid Yegoshin 1737a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1738a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1739a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1740a6e18781SLeonid Yegoshin select EVA 1741a6e18781SLeonid Yegoshin default y 1742a6e18781SLeonid Yegoshin help 1743a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1744a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1745a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1746a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1747a6e18781SLeonid Yegoshin 1748c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1749c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1750c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1751281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1752c5b36783SSteven J. Hill help 1753c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1754c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1755c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1756c5b36783SSteven J. Hill 1757c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1758c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1759c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1760c5b36783SSteven J. Hill depends on !EVA 1761c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1762c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1763c5b36783SSteven J. Hill select XPA 1764c5b36783SSteven J. Hill select HIGHMEM 1765d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1766c5b36783SSteven J. Hill default n 1767c5b36783SSteven J. Hill help 1768c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1769c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1770c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1771c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1772c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1773c5b36783SSteven J. Hill If unsure, say 'N' here. 1774c5b36783SSteven J. Hill 1775622844bfSWu Zhangjinif CPU_LOONGSON2F 1776622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1777622844bfSWu Zhangjin bool 1778622844bfSWu Zhangjin 1779622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1780622844bfSWu Zhangjin bool 1781622844bfSWu Zhangjin 1782622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1783622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1784622844bfSWu Zhangjin default y 1785622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1786622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1787622844bfSWu Zhangjin help 1788622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1789622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1790622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1791622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1792622844bfSWu Zhangjin 1793622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1794622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1795622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1796622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1797622844bfSWu Zhangjin systems. 1798622844bfSWu Zhangjin 1799622844bfSWu Zhangjin If unsure, please say Y. 1800622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1801622844bfSWu Zhangjin 18021b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18031b93b3c3SWu Zhangjin bool 18041b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18051b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 180631c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18071b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1808fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18094e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 1810a510b616SPaul Cercueil select HAVE_KERNEL_ZSTD 18111b93b3c3SWu Zhangjin 18121b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18131b93b3c3SWu Zhangjin bool 18141b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18151b93b3c3SWu Zhangjin 1816dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1817dbb98314SAlban Bedel bool 1818dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1819dbb98314SAlban Bedel 1820268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 18213702bba5SWu Zhangjin bool 18223702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18233702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18243702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1825970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1826e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 18273702bba5SWu Zhangjin 1828b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1829ca585cf9SKelvin Cheung bool 1830ca585cf9SKelvin Cheung select CPU_MIPS32 18317e280f6bSJiaxun Yang select CPU_MIPSR2 1832ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1833ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1834ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1835f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1836ca585cf9SKelvin Cheung 1837fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 183804fa8bf7SJonas Gorski select SMP_UP if SMP 18391bbb6c1bSKevin Cernekee bool 1840cd746249SJonas Gorski 1841cd746249SJonas Gorskiconfig CPU_BMIPS4350 1842cd746249SJonas Gorski bool 1843cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1844cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1845cd746249SJonas Gorski 1846cd746249SJonas Gorskiconfig CPU_BMIPS4380 1847cd746249SJonas Gorski bool 1848bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1849cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1850cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1851b4720809SFlorian Fainelli select CPU_HAS_RIXI 1852cd746249SJonas Gorski 1853cd746249SJonas Gorskiconfig CPU_BMIPS5000 1854cd746249SJonas Gorski bool 1855cd746249SJonas Gorski select MIPS_CPU_SCACHE 1856bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1857cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1858cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1859b4720809SFlorian Fainelli select CPU_HAS_RIXI 18601bbb6c1bSKevin Cernekee 1861268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 18620e476d91SHuacai Chen bool 18630e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1864b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18650e476d91SHuacai Chen 18663702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18672a21c730SFuxin Zhang bool 18682a21c730SFuxin Zhang 18696f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18706f7a251aSWu Zhangjin bool 187155045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 187255045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 18736f7a251aSWu Zhangjin 1874ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1875ca585cf9SKelvin Cheung bool 1876ca585cf9SKelvin Cheung 187712e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 187812e3280bSYang Ling bool 187912e3280bSYang Ling 18807cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18817cf8053bSRalf Baechle bool 18827cf8053bSRalf Baechle 18837cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18847cf8053bSRalf Baechle bool 18857cf8053bSRalf Baechle 1886a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1887a6e18781SLeonid Yegoshin bool 1888a6e18781SLeonid Yegoshin 1889c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1890c5b36783SSteven J. Hill bool 18919ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1892c5b36783SSteven J. Hill 18937fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 18947fd08ca5SLeonid Yegoshin bool 18959ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 18967fd08ca5SLeonid Yegoshin 18977cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 18987cf8053bSRalf Baechle bool 18997cf8053bSRalf Baechle 19007cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19017cf8053bSRalf Baechle bool 19027cf8053bSRalf Baechle 1903fd4eb90bSLukas Bulwahnconfig SYS_HAS_CPU_MIPS64_R5 1904fd4eb90bSLukas Bulwahn bool 1905fd4eb90bSLukas Bulwahn select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1906fd4eb90bSLukas Bulwahn 19077fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19087fd08ca5SLeonid Yegoshin bool 19099ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19107fd08ca5SLeonid Yegoshin 1911281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600 1912281e3aeaSSerge Semin bool 1913281e3aeaSSerge Semin select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1914281e3aeaSSerge Semin 19157cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19167cf8053bSRalf Baechle bool 19177cf8053bSRalf Baechle 19187cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19197cf8053bSRalf Baechle bool 19207cf8053bSRalf Baechle 19217cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19227cf8053bSRalf Baechle bool 19237cf8053bSRalf Baechle 192465ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300 192565ce6197SLauri Kasanen bool 192665ce6197SLauri Kasanen 19277cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19287cf8053bSRalf Baechle bool 19297cf8053bSRalf Baechle 19307cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19317cf8053bSRalf Baechle bool 19327cf8053bSRalf Baechle 19337cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19347cf8053bSRalf Baechle bool 19357cf8053bSRalf Baechle 1936542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1937542c1020SShinya Kuribayashi bool 1938542c1020SShinya Kuribayashi 19397cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19407cf8053bSRalf Baechle bool 19417cf8053bSRalf Baechle 19427cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19437cf8053bSRalf Baechle bool 19449ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19457cf8053bSRalf Baechle 19467cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19477cf8053bSRalf Baechle bool 19487cf8053bSRalf Baechle 19497cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19507cf8053bSRalf Baechle bool 19517cf8053bSRalf Baechle 19525e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19535e683389SDavid Daney bool 19545e683389SDavid Daney 1955cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1956c1c0c461SKevin Cernekee bool 1957c1c0c461SKevin Cernekee 1958fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1959c1c0c461SKevin Cernekee bool 1960cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1961c1c0c461SKevin Cernekee 1962c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1963c1c0c461SKevin Cernekee bool 1964cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1965c1c0c461SKevin Cernekee 1966c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1967c1c0c461SKevin Cernekee bool 1968cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1969c1c0c461SKevin Cernekee 1970c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1971c1c0c461SKevin Cernekee bool 1972cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1973f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 1974c1c0c461SKevin Cernekee 197517099b11SRalf Baechle# 197617099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 197717099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 197817099b11SRalf Baechle# 19790004a9dfSRalf Baechleconfig WEAK_ORDERING 19800004a9dfSRalf Baechle bool 198117099b11SRalf Baechle 198217099b11SRalf Baechle# 198317099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 198417099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 198517099b11SRalf Baechle# 198617099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 198717099b11SRalf Baechle bool 19885e83d430SRalf Baechleendmenu 19895e83d430SRalf Baechle 19905e83d430SRalf Baechle# 19915e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19925e83d430SRalf Baechle# 19935e83d430SRalf Baechleconfig CPU_MIPS32 19945e83d430SRalf Baechle bool 1995ab7c01fdSSerge Semin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 1996281e3aeaSSerge Semin CPU_MIPS32_R6 || CPU_P5600 19975e83d430SRalf Baechle 19985e83d430SRalf Baechleconfig CPU_MIPS64 19995e83d430SRalf Baechle bool 2000ab7c01fdSSerge Semin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 20015a4fa44fSJason A. Donenfeld CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON 20025e83d430SRalf Baechle 20035e83d430SRalf Baechle# 200457eeacedSPaul Burton# These indicate the revision of the architecture 20055e83d430SRalf Baechle# 20065e83d430SRalf Baechleconfig CPU_MIPSR1 20075e83d430SRalf Baechle bool 20085e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20095e83d430SRalf Baechle 20105e83d430SRalf Baechleconfig CPU_MIPSR2 20115e83d430SRalf Baechle bool 2012a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20138256b17eSFlorian Fainelli select CPU_HAS_RIXI 2014ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2015a7e07b1aSMarkos Chandras select MIPS_SPRAM 20165e83d430SRalf Baechle 2017ab7c01fdSSerge Seminconfig CPU_MIPSR5 2018ab7c01fdSSerge Semin bool 2019281e3aeaSSerge Semin default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 2020ab7c01fdSSerge Semin select CPU_HAS_RIXI 2021ab7c01fdSSerge Semin select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2022ab7c01fdSSerge Semin select MIPS_SPRAM 2023ab7c01fdSSerge Semin 20247fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20257fd08ca5SLeonid Yegoshin bool 20267fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20278256b17eSFlorian Fainelli select CPU_HAS_RIXI 2028ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 202987321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20302db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20314a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2032a7e07b1aSMarkos Chandras select MIPS_SPRAM 20335e83d430SRalf Baechle 203457eeacedSPaul Burtonconfig TARGET_ISA_REV 203557eeacedSPaul Burton int 203657eeacedSPaul Burton default 1 if CPU_MIPSR1 203757eeacedSPaul Burton default 2 if CPU_MIPSR2 2038ab7c01fdSSerge Semin default 5 if CPU_MIPSR5 203957eeacedSPaul Burton default 6 if CPU_MIPSR6 204057eeacedSPaul Burton default 0 204157eeacedSPaul Burton help 204257eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 204357eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 204457eeacedSPaul Burton 2045a6e18781SLeonid Yegoshinconfig EVA 2046a6e18781SLeonid Yegoshin bool 2047a6e18781SLeonid Yegoshin 2048c5b36783SSteven J. Hillconfig XPA 2049c5b36783SSteven J. Hill bool 2050c5b36783SSteven J. Hill 20515e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20525e83d430SRalf Baechle bool 20535e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20545e83d430SRalf Baechle bool 20555e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20565e83d430SRalf Baechle bool 20575e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20585e83d430SRalf Baechle bool 205955045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 206055045ff5SWu Zhangjin bool 206155045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 206255045ff5SWu Zhangjin bool 20639cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20649cffd154SDavid Daney bool 2065a670c82dSLukas Bulwahn depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA)) 206682622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 206782622284SDavid Daney bool 2068c6972fb9SHuang Pei depends on 64BIT 206995b8a5e0SThomas Bogendoerfer default y if (CPU_MIPSR2 || CPU_MIPSR6) 20705e83d430SRalf Baechle 20718192c9eaSDavid Daney# 20728192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20738192c9eaSDavid Daney# 20748192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20758192c9eaSDavid Daney bool 2076679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20778192c9eaSDavid Daney 20785e83d430SRalf Baechlemenu "Kernel type" 20795e83d430SRalf Baechle 20805e83d430SRalf Baechlechoice 20815e83d430SRalf Baechle prompt "Kernel code model" 20825e83d430SRalf Baechle help 20835e83d430SRalf Baechle You should only select this option if you have a workload that 20845e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20855e83d430SRalf Baechle large memory. You will only be presented a single option in this 20865e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20875e83d430SRalf Baechle 20885e83d430SRalf Baechleconfig 32BIT 20895e83d430SRalf Baechle bool "32-bit kernel" 20905e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20915e83d430SRalf Baechle select TRAD_SIGNALS 20925e83d430SRalf Baechle help 20935e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2094f17c4ca3SRalf Baechle 20955e83d430SRalf Baechleconfig 64BIT 20965e83d430SRalf Baechle bool "64-bit kernel" 20975e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20985e83d430SRalf Baechle help 20995e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21005e83d430SRalf Baechle 21015e83d430SRalf Baechleendchoice 21025e83d430SRalf Baechle 21031e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21041e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21051e321fa9SLeonid Yegoshin depends on 64BIT 21061e321fa9SLeonid Yegoshin help 21073377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21083377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21093377e227SAlex Belits For page sizes 16k and above, this option results in a small 21103377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21113377e227SAlex Belits level of page tables is added which imposes both a memory 21123377e227SAlex Belits overhead as well as slower TLB fault handling. 21133377e227SAlex Belits 21141e321fa9SLeonid Yegoshin If unsure, say N. 21151e321fa9SLeonid Yegoshin 211679876cc1SYunQiang Suconfig ZBOOT_LOAD_ADDRESS 211779876cc1SYunQiang Su hex "Compressed kernel load address" 211879876cc1SYunQiang Su default 0xffffffff80400000 if BCM47XX 211979876cc1SYunQiang Su default 0x0 212079876cc1SYunQiang Su depends on SYS_SUPPORTS_ZBOOT 212179876cc1SYunQiang Su help 212279876cc1SYunQiang Su The address to load compressed kernel, aka vmlinuz. 212379876cc1SYunQiang Su 212479876cc1SYunQiang Su This is only used if non-zero. 212579876cc1SYunQiang Su 21261da177e4SLinus Torvaldschoice 21271da177e4SLinus Torvalds prompt "Kernel page size" 21281da177e4SLinus Torvalds default PAGE_SIZE_4KB 21291da177e4SLinus Torvalds 21301da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21311da177e4SLinus Torvalds bool "4kB" 2132268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 21331da177e4SLinus Torvalds help 21341da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21351da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21361da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21371da177e4SLinus Torvalds recommended for low memory systems. 21381da177e4SLinus Torvalds 21391da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21401da177e4SLinus Torvalds bool "8kB" 2141c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 21421e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21431da177e4SLinus Torvalds help 21441da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21451da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2146c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2147c2aeaaeaSPaul Burton distribution to support this. 21481da177e4SLinus Torvalds 21491da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21501da177e4SLinus Torvalds bool "16kB" 2151714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21521da177e4SLinus Torvalds help 21531da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21541da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2155714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2156714bfad6SRalf Baechle Linux distribution to support this. 21571da177e4SLinus Torvalds 2158c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2159c52399beSRalf Baechle bool "32kB" 2160c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21611e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2162c52399beSRalf Baechle help 2163c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2164c52399beSRalf Baechle the price of higher memory consumption. This option is available 2165c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2166c52399beSRalf Baechle distribution to support this. 2167c52399beSRalf Baechle 21681da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21691da177e4SLinus Torvalds bool "64kB" 21703b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21711da177e4SLinus Torvalds help 21721da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21731da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21741da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2175714bfad6SRalf Baechle writing this option is still high experimental. 21761da177e4SLinus Torvalds 21771da177e4SLinus Torvaldsendchoice 21781da177e4SLinus Torvalds 2179c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2180c9bace7cSDavid Daney int "Maximum zone order" 2181e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2182e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2183e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2184e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2185e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2186e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2187ef923a76SPaul Cercueil range 0 64 2188c9bace7cSDavid Daney default "11" 2189c9bace7cSDavid Daney help 2190c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2191c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2192c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2193c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2194c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2195c9bace7cSDavid Daney increase this value. 2196c9bace7cSDavid Daney 2197c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2198c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2199c9bace7cSDavid Daney 2200c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2201c9bace7cSDavid Daney when choosing a value for this option. 2202c9bace7cSDavid Daney 22031da177e4SLinus Torvaldsconfig BOARD_SCACHE 22041da177e4SLinus Torvalds bool 22051da177e4SLinus Torvalds 22061da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22071da177e4SLinus Torvalds bool 22081da177e4SLinus Torvalds select BOARD_SCACHE 22091da177e4SLinus Torvalds 22109318c51aSChris Dearman# 22119318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22129318c51aSChris Dearman# 22139318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22149318c51aSChris Dearman bool 22159318c51aSChris Dearman select BOARD_SCACHE 22169318c51aSChris Dearman 22171da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22181da177e4SLinus Torvalds bool 22191da177e4SLinus Torvalds select BOARD_SCACHE 22201da177e4SLinus Torvalds 22211da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22221da177e4SLinus Torvalds bool 22231da177e4SLinus Torvalds select BOARD_SCACHE 22241da177e4SLinus Torvalds 22251da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22261da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22271da177e4SLinus Torvalds depends on CPU_SB1 22281da177e4SLinus Torvalds help 22291da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22301da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22311da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22321da177e4SLinus Torvalds 22331da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2234c8094b53SRalf Baechle bool 22351da177e4SLinus Torvalds 22363165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22373165c846SFlorian Fainelli bool 2238c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 22393165c846SFlorian Fainelli 2240c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2241183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2242183b40f9SPaul Burton default y 2243183b40f9SPaul Burton help 2244183b40f9SPaul Burton Select y to include support for floating point in the kernel 2245183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2246183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2247183b40f9SPaul Burton userland program attempting to use floating point instructions will 2248183b40f9SPaul Burton receive a SIGILL. 2249183b40f9SPaul Burton 2250183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2251183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2252183b40f9SPaul Burton 2253183b40f9SPaul Burton If unsure, say y. 2254c92e47e5SPaul Burton 225597f7dcbfSPaul Burtonconfig CPU_R2300_FPU 225697f7dcbfSPaul Burton bool 2257c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 225897f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 225997f7dcbfSPaul Burton 226054746829SPaul Burtonconfig CPU_R3K_TLB 226154746829SPaul Burton bool 226254746829SPaul Burton 226391405eb6SFlorian Fainelliconfig CPU_R4K_FPU 226491405eb6SFlorian Fainelli bool 2265c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 226697f7dcbfSPaul Burton default y if !CPU_R2300_FPU 226791405eb6SFlorian Fainelli 226862cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 226962cedc4fSFlorian Fainelli bool 227054746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 227162cedc4fSFlorian Fainelli 227259d6ab86SRalf Baechleconfig MIPS_MT_SMP 2273a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22745cbf9688SPaul Burton default y 2275527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 227659d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2277d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2278c080faa5SSteven J. Hill select SYNC_R4K 227959d6ab86SRalf Baechle select MIPS_MT 228059d6ab86SRalf Baechle select SMP 228187353d8aSRalf Baechle select SMP_UP 2282c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2283c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2284399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 228559d6ab86SRalf Baechle help 2286c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2287c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2288c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2289c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2290c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 229159d6ab86SRalf Baechle 2292f41ae0b2SRalf Baechleconfig MIPS_MT 2293f41ae0b2SRalf Baechle bool 2294f41ae0b2SRalf Baechle 22950ab7aefcSRalf Baechleconfig SCHED_SMT 22960ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22970ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22980ab7aefcSRalf Baechle default n 22990ab7aefcSRalf Baechle help 23000ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23010ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23020ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23030ab7aefcSRalf Baechle 23040ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23050ab7aefcSRalf Baechle bool 23060ab7aefcSRalf Baechle 2307f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2308f41ae0b2SRalf Baechle bool 2309f41ae0b2SRalf Baechle 2310f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2311f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2312f088fc84SRalf Baechle default y 2313b633648cSRalf Baechle depends on MIPS_MT_SMP 231407cc0c9eSRalf Baechle 2315b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2316b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23179eaa9a82SPaul Burton depends on CPU_MIPSR6 2318c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2319b0a668fbSLeonid Yegoshin default y 2320b0a668fbSLeonid Yegoshin help 2321b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2322b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 232307edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2324b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2325b0a668fbSLeonid Yegoshin final kernel image. 2326b0a668fbSLeonid Yegoshin 2327f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2328f35764e7SJames Hogan bool 2329f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2330f35764e7SJames Hogan help 2331f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2332f35764e7SJames Hogan physical_memsize. 2333f35764e7SJames Hogan 233407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 233507cc0c9eSRalf Baechle bool "VPE loader support." 2336f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 233707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 233807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 233907cc0c9eSRalf Baechle select MIPS_MT 234007cc0c9eSRalf Baechle help 234107cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 234207cc0c9eSRalf Baechle onto another VPE and running it. 2343f088fc84SRalf Baechle 234417a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 234517a1d523SDeng-Cheng Zhu bool 234617a1d523SDeng-Cheng Zhu default "y" 234717a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 234817a1d523SDeng-Cheng Zhu 23491a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23501a2a6d7eSDeng-Cheng Zhu bool 23511a2a6d7eSDeng-Cheng Zhu default "y" 23521a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23531a2a6d7eSDeng-Cheng Zhu 2354e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2355e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2356e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2357e01402b1SRalf Baechle default y 2358e01402b1SRalf Baechle help 2359e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2360e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2361e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2362e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2363e01402b1SRalf Baechle 2364e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2365e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2366e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2367e01402b1SRalf Baechle 2368da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2369da615cf6SDeng-Cheng Zhu bool 2370da615cf6SDeng-Cheng Zhu default "y" 2371da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2372da615cf6SDeng-Cheng Zhu 23732c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23742c973ef0SDeng-Cheng Zhu bool 23752c973ef0SDeng-Cheng Zhu default "y" 23762c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23772c973ef0SDeng-Cheng Zhu 23784a16ff4cSRalf Baechleconfig MIPS_CMP 23795cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23805676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2381b10b43baSMarkos Chandras select SMP 2382eb9b5141STim Anderson select SYNC_R4K 2383b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 23844a16ff4cSRalf Baechle select WEAK_ORDERING 23854a16ff4cSRalf Baechle default n 23864a16ff4cSRalf Baechle help 2387044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2388044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2389044505c7SPaul Burton its ability to start secondary CPUs. 23904a16ff4cSRalf Baechle 23915cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 23925cac93b3SPaul Burton instead of this. 23935cac93b3SPaul Burton 23940ee958e1SPaul Burtonconfig MIPS_CPS 23950ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 23965a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 23970ee958e1SPaul Burton select MIPS_CM 23981d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 23990ee958e1SPaul Burton select SMP 24000ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24011d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2402c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24030ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24040ee958e1SPaul Burton select WEAK_ORDERING 2405d8d3276bSWei Li select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 24060ee958e1SPaul Burton help 24070ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24080ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24090ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24100ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24110ee958e1SPaul Burton support is unavailable. 24120ee958e1SPaul Burton 24133179d37eSPaul Burtonconfig MIPS_CPS_PM 241439a59593SMarkos Chandras depends on MIPS_CPS 24153179d37eSPaul Burton bool 24163179d37eSPaul Burton 24179f98f3ddSPaul Burtonconfig MIPS_CM 24189f98f3ddSPaul Burton bool 24193c9b4166SPaul Burton select MIPS_CPC 24209f98f3ddSPaul Burton 24219c38cf44SPaul Burtonconfig MIPS_CPC 24229c38cf44SPaul Burton bool 24232600990eSRalf Baechle 24241da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24251da177e4SLinus Torvalds bool 24261da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24271da177e4SLinus Torvalds default y 24281da177e4SLinus Torvalds 24291da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24301da177e4SLinus Torvalds bool 24311da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24321da177e4SLinus Torvalds default y 24331da177e4SLinus Torvalds 24349e2b5372SMarkos Chandraschoice 24359e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24369e2b5372SMarkos Chandras 24379e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24389e2b5372SMarkos Chandras bool "None" 24399e2b5372SMarkos Chandras help 24409e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24419e2b5372SMarkos Chandras 24429693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24439693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24449e2b5372SMarkos Chandras bool "SmartMIPS" 24459693a853SFranck Bui-Huu help 24469693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24479693a853SFranck Bui-Huu increased security at both hardware and software level for 24489693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24499693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24509693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24519693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24529693a853SFranck Bui-Huu here. 24539693a853SFranck Bui-Huu 2454bce86083SSteven J. Hillconfig CPU_MICROMIPS 24557fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24569e2b5372SMarkos Chandras bool "microMIPS" 2457bce86083SSteven J. Hill help 2458bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2459bce86083SSteven J. Hill microMIPS ISA 2460bce86083SSteven J. Hill 24619e2b5372SMarkos Chandrasendchoice 24629e2b5372SMarkos Chandras 2463a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24640ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2465a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2466c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 24672a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2468a5e9a69eSPaul Burton help 2469a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2470a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24711db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24721db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24731db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24741db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24751db1af84SPaul Burton the size & complexity of your kernel. 2476a5e9a69eSPaul Burton 2477a5e9a69eSPaul Burton If unsure, say Y. 2478a5e9a69eSPaul Burton 24791da177e4SLinus Torvaldsconfig CPU_HAS_WB 2480f7062ddbSRalf Baechle bool 2481e01402b1SRalf Baechle 2482df0ac8a4SKevin Cernekeeconfig XKS01 2483df0ac8a4SKevin Cernekee bool 2484df0ac8a4SKevin Cernekee 2485ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI 2486ba9196d2SJiaxun Yang depends on !CPU_DIEI_BROKEN 2487ba9196d2SJiaxun Yang bool 2488ba9196d2SJiaxun Yang 2489ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN 2490ba9196d2SJiaxun Yang bool 2491ba9196d2SJiaxun Yang 24928256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 24938256b17eSFlorian Fainelli bool 24948256b17eSFlorian Fainelli 249518d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR 2496932afdeeSYasha Cherikovsky bool 2497932afdeeSYasha Cherikovsky help 249818d84e2eSAlexander Lobakin CPU lacks support for unaligned load and store instructions: 2499932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 250018d84e2eSAlexander Lobakin LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 250118d84e2eSAlexander Lobakin systems). 2502932afdeeSYasha Cherikovsky 2503f41ae0b2SRalf Baechle# 2504f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2505f41ae0b2SRalf Baechle# 2506e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2507f41ae0b2SRalf Baechle bool 2508e01402b1SRalf Baechle 2509f41ae0b2SRalf Baechle# 2510f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2511f41ae0b2SRalf Baechle# 2512e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2513f41ae0b2SRalf Baechle bool 2514e01402b1SRalf Baechle 25151da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25161da177e4SLinus Torvalds bool 25171da177e4SLinus Torvalds depends on !CPU_R3000 25181da177e4SLinus Torvalds default y 25191da177e4SLinus Torvalds 25201da177e4SLinus Torvalds# 252120d60d99SMaciej W. Rozycki# CPU non-features 252220d60d99SMaciej W. Rozycki# 252320d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 252420d60d99SMaciej W. Rozycki bool 252520d60d99SMaciej W. Rozycki 252620d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 252720d60d99SMaciej W. Rozycki bool 252820d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 252920d60d99SMaciej W. Rozycki 253020d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 253120d60d99SMaciej W. Rozycki bool 253220d60d99SMaciej W. Rozycki 2533071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2534071d2f0bSPaul Burton bool 2535071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2536071d2f0bSPaul Burton 25374edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25384edf00a4SPaul Burton int 25394edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25404edf00a4SPaul Burton default 0 25414edf00a4SPaul Burton 25424edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25434edf00a4SPaul Burton int 25442db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25454edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25464edf00a4SPaul Burton default 8 25474edf00a4SPaul Burton 25482db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25492db003a5SPaul Burton bool 25502db003a5SPaul Burton 25514a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25524a5dc51eSMarcin Nowakowski bool 25534a5dc51eSMarcin Nowakowski 2554802b8362SThomas Bogendoerfer# R4600 erratum. Due to the lack of errata information the exact 2555802b8362SThomas Bogendoerfer# technical details aren't known. I've experimentally found that disabling 2556802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal 2557802b8362SThomas Bogendoerfer# with the issue. 2558802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP 2559802b8362SThomas Bogendoerfer bool 2560802b8362SThomas Bogendoerfer 25615e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata: 25625e5b6527SThomas Bogendoerfer# 25635e5b6527SThomas Bogendoerfer# 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D, 25645e5b6527SThomas Bogendoerfer# Hit_Invalidate_D and Create_Dirty_Excl_D should only be 25655e5b6527SThomas Bogendoerfer# executed if there is no other dcache activity. If the dcache is 256618ff14c8SColin Ian King# accessed for another instruction immediately preceding when these 25675e5b6527SThomas Bogendoerfer# cache instructions are executing, it is possible that the dcache 25685e5b6527SThomas Bogendoerfer# tag match outputs used by these cache instructions will be 25695e5b6527SThomas Bogendoerfer# incorrect. These cache instructions should be preceded by at least 25705e5b6527SThomas Bogendoerfer# four instructions that are not any kind of load or store 25715e5b6527SThomas Bogendoerfer# instruction. 25725e5b6527SThomas Bogendoerfer# 25735e5b6527SThomas Bogendoerfer# This is not allowed: lw 25745e5b6527SThomas Bogendoerfer# nop 25755e5b6527SThomas Bogendoerfer# nop 25765e5b6527SThomas Bogendoerfer# nop 25775e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 25785e5b6527SThomas Bogendoerfer# 25795e5b6527SThomas Bogendoerfer# This is allowed: lw 25805e5b6527SThomas Bogendoerfer# nop 25815e5b6527SThomas Bogendoerfer# nop 25825e5b6527SThomas Bogendoerfer# nop 25835e5b6527SThomas Bogendoerfer# nop 25845e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 25855e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP 25865e5b6527SThomas Bogendoerfer bool 25875e5b6527SThomas Bogendoerfer 258844def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA. 258944def342SThomas Bogendoerfer# 259044def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D, 259144def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only 259244def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty. These 259344def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss 259444def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer." 259544def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/ 259644def342SThomas Bogendoerfer# in .pdf format.) 259744def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP 259844def342SThomas Bogendoerfer bool 259944def342SThomas Bogendoerfer 260024a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for 260124a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following 260224a1c023SThomas Bogendoerfer# operation is not guaranteed." 260324a1c023SThomas Bogendoerfer# 260424a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I 260524a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV 260624a1c023SThomas Bogendoerfer bool 260724a1c023SThomas Bogendoerfer 2608886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra 2609886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same 2610886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious 2611886ee136SThomas Bogendoerfer# exceptions. 2612886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS 2613886ee136SThomas Bogendoerfer bool 2614886ee136SThomas Bogendoerfer 2615256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that 2616256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically. 2617256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC 2618256ec489SThomas Bogendoerfer bool 2619256ec489SThomas Bogendoerfer 2620a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction" 2621a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB 2622a7fbed98SThomas Bogendoerfer bool 2623a7fbed98SThomas Bogendoerfer 262420d60d99SMaciej W. Rozycki# 26251da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26261da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26271da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26281da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26291da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26301da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26311da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26321da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2633797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2634797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2635797798c1SRalf Baechle# support. 26361da177e4SLinus Torvalds# 26371da177e4SLinus Torvaldsconfig HIGHMEM 26381da177e4SLinus Torvalds bool "High Memory Support" 2639a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2640a4c33e83SThomas Gleixner select KMAP_LOCAL 2641797798c1SRalf Baechle 2642797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2643797798c1SRalf Baechle bool 2644797798c1SRalf Baechle 2645797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2646797798c1SRalf Baechle bool 26471da177e4SLinus Torvalds 26489693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26499693a853SFranck Bui-Huu bool 26509693a853SFranck Bui-Huu 2651a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2652a6a4834cSSteven J. Hill bool 2653a6a4834cSSteven J. Hill 2654377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2655377cb1b6SRalf Baechle bool 2656377cb1b6SRalf Baechle help 2657377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2658377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2659377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2660377cb1b6SRalf Baechle 2661a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2662a5e9a69eSPaul Burton bool 2663a5e9a69eSPaul Burton 2664b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2665b4819b59SYoichi Yuasa def_bool y 2666268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2667b4819b59SYoichi Yuasa 2668b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2669b1c6cd42SAtsushi Nemoto bool 2670397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 267131473747SAtsushi Nemoto 2672d8cb4e11SRalf Baechleconfig NUMA 2673d8cb4e11SRalf Baechle bool "NUMA Support" 2674d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2675cf8194e4STiezhu Yang select SMP 26767ecd19cfSKefeng Wang select HAVE_SETUP_PER_CPU_AREA 26777ecd19cfSKefeng Wang select NEED_PER_CPU_EMBED_FIRST_CHUNK 2678d8cb4e11SRalf Baechle help 2679d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2680d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2681d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2682172a37e9SRandy Dunlap leave it disabled; on single node systems leave this option 2683d8cb4e11SRalf Baechle disabled. 2684d8cb4e11SRalf Baechle 2685d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2686d8cb4e11SRalf Baechle bool 2687d8cb4e11SRalf Baechle 26888c530ea3SMatt Redfearnconfig RELOCATABLE 26898c530ea3SMatt Redfearn bool "Relocatable kernel" 2690ab7c01fdSSerge Semin depends on SYS_SUPPORTS_RELOCATABLE 2691ab7c01fdSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2692ab7c01fdSSerge Semin CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2693ab7c01fdSSerge Semin CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2694a307a4ceSJinyang He CPU_P5600 || CAVIUM_OCTEON_SOC || \ 2695a307a4ceSJinyang He CPU_LOONGSON64 26968c530ea3SMatt Redfearn help 26978c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26988c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26998c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 27008c530ea3SMatt Redfearn but are discarded at runtime 27018c530ea3SMatt Redfearn 2702069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2703069fd766SMatt Redfearn hex "Relocation table size" 2704069fd766SMatt Redfearn depends on RELOCATABLE 2705069fd766SMatt Redfearn range 0x0 0x01000000 2706a307a4ceSJinyang He default "0x00200000" if CPU_LOONGSON64 2707069fd766SMatt Redfearn default "0x00100000" 2708a7f7f624SMasahiro Yamada help 2709069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2710069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2711069fd766SMatt Redfearn 2712069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2713069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2714069fd766SMatt Redfearn 2715069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2716069fd766SMatt Redfearn 2717069fd766SMatt Redfearn If unsure, leave at the default value. 2718069fd766SMatt Redfearn 2719405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2720405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2721405bc8fdSMatt Redfearn depends on RELOCATABLE 2722a7f7f624SMasahiro Yamada help 2723405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2724405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2725405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2726405bc8fdSMatt Redfearn of kernel internals. 2727405bc8fdSMatt Redfearn 2728405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2729405bc8fdSMatt Redfearn 2730405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2731405bc8fdSMatt Redfearn 2732405bc8fdSMatt Redfearn If unsure, say N. 2733405bc8fdSMatt Redfearn 2734405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2735405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2736405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2737405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2738405bc8fdSMatt Redfearn range 0x0 0x08000000 2739405bc8fdSMatt Redfearn default "0x01000000" 2740a7f7f624SMasahiro Yamada help 2741405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2742405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2743405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2744405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2745405bc8fdSMatt Redfearn 2746405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2747405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2748405bc8fdSMatt Redfearn 2749c80d79d7SYasunori Gotoconfig NODES_SHIFT 2750c80d79d7SYasunori Goto int 2751c80d79d7SYasunori Goto default "6" 2752a9ee6cf5SMike Rapoport depends on NUMA 2753c80d79d7SYasunori Goto 275414f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 275514f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 275695b8a5e0SThomas Bogendoerfer depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64) 275714f70012SDeng-Cheng Zhu default y 275814f70012SDeng-Cheng Zhu help 275914f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 276014f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 276114f70012SDeng-Cheng Zhu 2762be8fa1cbSTiezhu Yangconfig DMI 2763be8fa1cbSTiezhu Yang bool "Enable DMI scanning" 2764be8fa1cbSTiezhu Yang depends on MACH_LOONGSON64 2765be8fa1cbSTiezhu Yang select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2766be8fa1cbSTiezhu Yang default y 2767be8fa1cbSTiezhu Yang help 2768be8fa1cbSTiezhu Yang Enabled scanning of DMI to identify machine quirks. Say Y 2769be8fa1cbSTiezhu Yang here unless you have verified that your setup is not 2770be8fa1cbSTiezhu Yang affected by entries in the DMI blacklist. Required by PNP 2771be8fa1cbSTiezhu Yang BIOS code. 2772be8fa1cbSTiezhu Yang 27731da177e4SLinus Torvaldsconfig SMP 27741da177e4SLinus Torvalds bool "Multi-Processing support" 2775e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2776e73ea273SRalf Baechle help 27771da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27784a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27794a474157SRobert Graffham than one CPU, say Y. 27801da177e4SLinus Torvalds 27814a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27821da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27831da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27844a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27851da177e4SLinus Torvalds will run faster if you say N here. 27861da177e4SLinus Torvalds 27871da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27881da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27891da177e4SLinus Torvalds 279003502faaSAdrian Bunk See also the SMP-HOWTO available at 2791ef054ad3SAlexander A. Klimov <https://www.tldp.org/docs.html#howto>. 27921da177e4SLinus Torvalds 27931da177e4SLinus Torvalds If you don't know what to do here, say N. 27941da177e4SLinus Torvalds 27957840d618SMatt Redfearnconfig HOTPLUG_CPU 27967840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27977840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27987840d618SMatt Redfearn help 27997840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 28007840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 28017840d618SMatt Redfearn (Note: power management support will enable this option 28027840d618SMatt Redfearn automatically on SMP systems. ) 28037840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 28047840d618SMatt Redfearn 280587353d8aSRalf Baechleconfig SMP_UP 280687353d8aSRalf Baechle bool 280787353d8aSRalf Baechle 28084a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 28094a16ff4cSRalf Baechle bool 28104a16ff4cSRalf Baechle 28110ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 28120ee958e1SPaul Burton bool 28130ee958e1SPaul Burton 2814e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2815e73ea273SRalf Baechle bool 2816e73ea273SRalf Baechle 2817130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2818130e2fb7SRalf Baechle bool 2819130e2fb7SRalf Baechle 2820130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2821130e2fb7SRalf Baechle bool 2822130e2fb7SRalf Baechle 2823130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2824130e2fb7SRalf Baechle bool 2825130e2fb7SRalf Baechle 2826130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2827130e2fb7SRalf Baechle bool 2828130e2fb7SRalf Baechle 2829130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2830130e2fb7SRalf Baechle bool 2831130e2fb7SRalf Baechle 28321da177e4SLinus Torvaldsconfig NR_CPUS 2833a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2834a91796a9SJayachandran C range 2 256 28351da177e4SLinus Torvalds depends on SMP 2836130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2837130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2838130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2839130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2840130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28411da177e4SLinus Torvalds help 28421da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28431da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28441da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 284572ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 284672ede9b1SAtsushi Nemoto and 2 for all others. 28471da177e4SLinus Torvalds 28481da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 284972ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 285072ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 285172ede9b1SAtsushi Nemoto power of two. 28521da177e4SLinus Torvalds 2853399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2854399aaa25SAl Cooper bool 2855399aaa25SAl Cooper 28567820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28577820b84bSDavid Daney bool 28587820b84bSDavid Daney 28597820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28607820b84bSDavid Daney int 28617820b84bSDavid Daney depends on SMP 28627820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28637820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28647820b84bSDavid Daney 28651723b4a3SAtsushi Nemoto# 28661723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28671723b4a3SAtsushi Nemoto# 28681723b4a3SAtsushi Nemoto 28691723b4a3SAtsushi Nemotochoice 28701723b4a3SAtsushi Nemoto prompt "Timer frequency" 28711723b4a3SAtsushi Nemoto default HZ_250 28721723b4a3SAtsushi Nemoto help 28731723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28741723b4a3SAtsushi Nemoto 287567596573SPaul Burton config HZ_24 287667596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 287767596573SPaul Burton 28781723b4a3SAtsushi Nemoto config HZ_48 28790f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28801723b4a3SAtsushi Nemoto 28811723b4a3SAtsushi Nemoto config HZ_100 28821723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28831723b4a3SAtsushi Nemoto 28841723b4a3SAtsushi Nemoto config HZ_128 28851723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28861723b4a3SAtsushi Nemoto 28871723b4a3SAtsushi Nemoto config HZ_250 28881723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28891723b4a3SAtsushi Nemoto 28901723b4a3SAtsushi Nemoto config HZ_256 28911723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28921723b4a3SAtsushi Nemoto 28931723b4a3SAtsushi Nemoto config HZ_1000 28941723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28951723b4a3SAtsushi Nemoto 28961723b4a3SAtsushi Nemoto config HZ_1024 28971723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28981723b4a3SAtsushi Nemoto 28991723b4a3SAtsushi Nemotoendchoice 29001723b4a3SAtsushi Nemoto 290167596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 290267596573SPaul Burton bool 290367596573SPaul Burton 29041723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 29051723b4a3SAtsushi Nemoto bool 29061723b4a3SAtsushi Nemoto 29071723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 29081723b4a3SAtsushi Nemoto bool 29091723b4a3SAtsushi Nemoto 29101723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 29111723b4a3SAtsushi Nemoto bool 29121723b4a3SAtsushi Nemoto 29131723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29141723b4a3SAtsushi Nemoto bool 29151723b4a3SAtsushi Nemoto 29161723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29171723b4a3SAtsushi Nemoto bool 29181723b4a3SAtsushi Nemoto 29191723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29201723b4a3SAtsushi Nemoto bool 29211723b4a3SAtsushi Nemoto 29221723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29231723b4a3SAtsushi Nemoto bool 29241723b4a3SAtsushi Nemoto 29251723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29261723b4a3SAtsushi Nemoto bool 292767596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 292867596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 292967596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 293067596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 293167596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 293267596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 293367596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29341723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29351723b4a3SAtsushi Nemoto 29361723b4a3SAtsushi Nemotoconfig HZ 29371723b4a3SAtsushi Nemoto int 293867596573SPaul Burton default 24 if HZ_24 29391723b4a3SAtsushi Nemoto default 48 if HZ_48 29401723b4a3SAtsushi Nemoto default 100 if HZ_100 29411723b4a3SAtsushi Nemoto default 128 if HZ_128 29421723b4a3SAtsushi Nemoto default 250 if HZ_250 29431723b4a3SAtsushi Nemoto default 256 if HZ_256 29441723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29451723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29461723b4a3SAtsushi Nemoto 294796685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 294896685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 294996685b17SDeng-Cheng Zhu 2950ea6e942bSAtsushi Nemotoconfig KEXEC 29517d60717eSKees Cook bool "Kexec system call" 29522965faa5SDave Young select KEXEC_CORE 2953ea6e942bSAtsushi Nemoto help 2954ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2955ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29563dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2957ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2958ea6e942bSAtsushi Nemoto 295901dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2960ea6e942bSAtsushi Nemoto 2961ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2962ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2963bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2964bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2965bf220695SGeert Uytterhoeven made. 2966ea6e942bSAtsushi Nemoto 29677aa1c8f4SRalf Baechleconfig CRASH_DUMP 29687aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29697aa1c8f4SRalf Baechle help 29707aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29717aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29727aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29737aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29747aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29757aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29767aa1c8f4SRalf Baechle PHYSICAL_START. 29777aa1c8f4SRalf Baechle 29787aa1c8f4SRalf Baechleconfig PHYSICAL_START 29797aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29808bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29817aa1c8f4SRalf Baechle depends on CRASH_DUMP 29827aa1c8f4SRalf Baechle help 29837aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29847aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29857aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29867aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29877aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29887aa1c8f4SRalf Baechle 2989597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2990b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2991597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2992597ce172SPaul Burton help 2993597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2994597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2995597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2996597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2997597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2998597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2999597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3000597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3001597ce172SPaul Burton saying N here. 3002597ce172SPaul Burton 300306e2e882SPaul Burton Although binutils currently supports use of this flag the details 300406e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 300518ff14c8SColin Ian King worked on. In order to avoid userland becoming dependent upon current 300606e2e882SPaul Burton behaviour before the details have been finalised, this option should 300706e2e882SPaul Burton be considered experimental and only enabled by those working upon 300806e2e882SPaul Burton said details. 300906e2e882SPaul Burton 301006e2e882SPaul Burton If unsure, say N. 3011597ce172SPaul Burton 3012f2ffa5abSDezhong Diaoconfig USE_OF 30130b3e06fdSJonas Gorski bool 3014f2ffa5abSDezhong Diao select OF 3015e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3016abd2363fSGrant Likely select IRQ_DOMAIN 3017f2ffa5abSDezhong Diao 30182fe8ea39SDengcheng Zhuconfig UHI_BOOT 30192fe8ea39SDengcheng Zhu bool 30202fe8ea39SDengcheng Zhu 30217fafb068SAndrew Brestickerconfig BUILTIN_DTB 30227fafb068SAndrew Bresticker bool 30237fafb068SAndrew Bresticker 30241da8f179SJonas Gorskichoice 30255b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30261da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30271da8f179SJonas Gorski 30281da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30291da8f179SJonas Gorski bool "None" 30301da8f179SJonas Gorski help 30311da8f179SJonas Gorski Do not enable appended dtb support. 30321da8f179SJonas Gorski 303387db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 303487db537dSAaro Koskinen bool "vmlinux" 303587db537dSAaro Koskinen help 303687db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 303787db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 303887db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 303987db537dSAaro Koskinen objcopy: 304087db537dSAaro Koskinen 304187db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 304287db537dSAaro Koskinen 304318ff14c8SColin Ian King This is meant as a backward compatibility convenience for those 304487db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 304587db537dSAaro Koskinen the documented boot protocol using a device tree. 304687db537dSAaro Koskinen 30471da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3048b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30491da8f179SJonas Gorski help 30501da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3051b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30521da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30531da8f179SJonas Gorski 30541da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30551da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30561da8f179SJonas Gorski the documented boot protocol using a device tree. 30571da8f179SJonas Gorski 30581da8f179SJonas Gorski Beware that there is very little in terms of protection against 30591da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30601da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30611da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30621da8f179SJonas Gorski if you don't intend to always append a DTB. 30631da8f179SJonas Gorskiendchoice 30641da8f179SJonas Gorski 30652024972eSJonas Gorskichoice 30662024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30672bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 306887fcfa7bSJiaxun Yang !MACH_LOONGSON64 && !MIPS_MALTA && \ 30692bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30702024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30712024972eSJonas Gorski 30722024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30732024972eSJonas Gorski depends on USE_OF 30742024972eSJonas Gorski bool "Dtb kernel arguments if available" 30752024972eSJonas Gorski 30762024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30772024972eSJonas Gorski depends on USE_OF 30782024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30792024972eSJonas Gorski 30802024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30812024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3082ed47e153SRabin Vincent 3083ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3084ed47e153SRabin Vincent depends on CMDLINE_BOOL 3085ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30862024972eSJonas Gorskiendchoice 30872024972eSJonas Gorski 30885e83d430SRalf Baechleendmenu 30895e83d430SRalf Baechle 30901df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30911df0f0ffSAtsushi Nemoto bool 30921df0f0ffSAtsushi Nemoto default y 30931df0f0ffSAtsushi Nemoto 30941df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30951df0f0ffSAtsushi Nemoto bool 30961df0f0ffSAtsushi Nemoto default y 30971df0f0ffSAtsushi Nemoto 3098a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3099a728ab52SKirill A. Shutemov int 31003377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 310141ce097fSHuang Pei default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48) 3102a728ab52SKirill A. Shutemov default 2 3103a728ab52SKirill A. Shutemov 31046c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 31056c359eb1SPaul Burton bool 31066c359eb1SPaul Burton 31071da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31081da177e4SLinus Torvalds 3109c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31102eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3111c5611df9SPaul Burton bool 3112c5611df9SPaul Burton 3113c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3114c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3115c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31162eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31171da177e4SLinus Torvalds 31181da177e4SLinus Torvalds# 31191da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31201da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31211da177e4SLinus Torvalds# users to choose the right thing ... 31221da177e4SLinus Torvalds# 31231da177e4SLinus Torvaldsconfig ISA 31241da177e4SLinus Torvalds bool 31251da177e4SLinus Torvalds 31261da177e4SLinus Torvaldsconfig TC 31271da177e4SLinus Torvalds bool "TURBOchannel support" 31281da177e4SLinus Torvalds depends on MACH_DECSTATION 31291da177e4SLinus Torvalds help 313050a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 313150a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 313250a23e6eSJustin P. Mattock at: 313350a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 313450a23e6eSJustin P. Mattock and: 313550a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 313650a23e6eSJustin P. Mattock Linux driver support status is documented at: 313750a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31381da177e4SLinus Torvalds 31391da177e4SLinus Torvaldsconfig MMU 31401da177e4SLinus Torvalds bool 31411da177e4SLinus Torvalds default y 31421da177e4SLinus Torvalds 3143109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3144109c32ffSMatt Redfearn default 12 if 64BIT 3145109c32ffSMatt Redfearn default 8 3146109c32ffSMatt Redfearn 3147109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3148109c32ffSMatt Redfearn default 18 if 64BIT 3149109c32ffSMatt Redfearn default 15 3150109c32ffSMatt Redfearn 3151109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3152109c32ffSMatt Redfearn default 8 3153109c32ffSMatt Redfearn 3154109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3155109c32ffSMatt Redfearn default 15 3156109c32ffSMatt Redfearn 3157d865bea4SRalf Baechleconfig I8253 3158d865bea4SRalf Baechle bool 3159798778b8SRussell King select CLKSRC_I8253 31602d02612fSThomas Gleixner select CLKEVT_I8253 31619726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 31621da177e4SLinus Torvaldsendmenu 31631da177e4SLinus Torvalds 31641da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31651da177e4SLinus Torvalds bool 31661da177e4SLinus Torvalds 31671da177e4SLinus Torvaldsconfig MIPS32_COMPAT 316878aaf956SRalf Baechle bool 31691da177e4SLinus Torvalds 31701da177e4SLinus Torvaldsconfig COMPAT 31711da177e4SLinus Torvalds bool 31721da177e4SLinus Torvalds 317305e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 317405e43966SAtsushi Nemoto bool 317505e43966SAtsushi Nemoto 31761da177e4SLinus Torvaldsconfig MIPS32_O32 31771da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 317878aaf956SRalf Baechle depends on 64BIT 317978aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 318078aaf956SRalf Baechle select COMPAT 318178aaf956SRalf Baechle select MIPS32_COMPAT 318278aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31831da177e4SLinus Torvalds help 31841da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31851da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31861da177e4SLinus Torvalds existing binaries are in this format. 31871da177e4SLinus Torvalds 31881da177e4SLinus Torvalds If unsure, say Y. 31891da177e4SLinus Torvalds 31901da177e4SLinus Torvaldsconfig MIPS32_N32 31911da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3192c22eacfeSRalf Baechle depends on 64BIT 31935a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 319478aaf956SRalf Baechle select COMPAT 319578aaf956SRalf Baechle select MIPS32_COMPAT 319678aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31971da177e4SLinus Torvalds help 31981da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31991da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32001da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32011da177e4SLinus Torvalds cases. 32021da177e4SLinus Torvalds 32031da177e4SLinus Torvalds If unsure, say N. 32041da177e4SLinus Torvalds 3205*d49fc692SNathan Chancellorconfig CC_HAS_MNO_BRANCH_LIKELY 3206*d49fc692SNathan Chancellor def_bool y 3207*d49fc692SNathan Chancellor depends on $(cc-option,-mno-branch-likely) 3208*d49fc692SNathan Chancellor 32092116245eSRalf Baechlemenu "Power management options" 3210952fa954SRodolfo Giometti 3211363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3212363c55caSWu Zhangjin def_bool y 32133f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3214363c55caSWu Zhangjin 3215f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3216f4cb5700SJohannes Berg def_bool y 32173f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3218f4cb5700SJohannes Berg 32192116245eSRalf Baechlesource "kernel/power/Kconfig" 3220952fa954SRodolfo Giometti 32211da177e4SLinus Torvaldsendmenu 32221da177e4SLinus Torvalds 32237a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32247a998935SViresh Kumar bool 32257a998935SViresh Kumar 32267a998935SViresh Kumarmenu "CPU Power Management" 3227c095ebafSPaul Burton 3228c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32297a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32307a998935SViresh Kumarendif 32319726b43aSWu Zhangjin 3232c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3233c095ebafSPaul Burton 3234c095ebafSPaul Burtonendmenu 3235c095ebafSPaul Burton 32362235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3237e91946d6SNathan Chancellor 3238e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig" 3239