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 35bab1dde3SAlexander Lobakin select GENERIC_FIND_FIRST_BIT 3624640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 37b962aeb0SPaul Burton select GENERIC_IOMAP 3812597988SMatt Redfearn select GENERIC_IRQ_PROBE 3912597988SMatt Redfearn select GENERIC_IRQ_SHOW 406630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 41740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 42740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 43740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 44740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 45740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 4612597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 4712597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 4812597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 49446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 50906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 5112597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 5242b20995SArnd Bergmann select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT 53109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 54109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 55490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 56c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 5745e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 582ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 5912597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 60490f561bSFrederic Weisbecker select HAVE_TIF_NOHZ 6164575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 6212597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 6312597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 6412597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 6512597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 6601bdc58eSJohan Almbladh select HAVE_EBPF_JIT if !CPU_MICROMIPS && \ 6701bdc58eSJohan Almbladh !CPU_DADDI_WORKAROUNDS && \ 6801bdc58eSJohan Almbladh !CPU_R4000_WORKAROUNDS && \ 6901bdc58eSJohan Almbladh !CPU_R4400_WORKAROUNDS 7012597988SMatt Redfearn select HAVE_EXIT_THREAD 7167a929e0SChristoph Hellwig select HAVE_FAST_GUP 7212597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 7329c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 7412597988SMatt Redfearn select HAVE_FUNCTION_TRACER 7534c01e41SAlexander Lobakin select HAVE_GCC_PLUGINS 7634c01e41SAlexander Lobakin select HAVE_GENERIC_VDSO 77b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 7812597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 7912597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 80c1bf207dSDavid Daney select HAVE_KPROBES 81c1bf207dSDavid Daney select HAVE_KRETPROBES 82c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 83786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 8442a0bb3fSPetr Mladek select HAVE_NMI 8512597988SMatt Redfearn select HAVE_PERF_EVENTS 861ddc96bdSTiezhu Yang select HAVE_PERF_REGS 871ddc96bdSTiezhu Yang select HAVE_PERF_USER_STACK_DUMP 8808bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 899ea141adSPaul Burton select HAVE_RSEQ 9016c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 91d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 9212597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 93a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 9412597988SMatt Redfearn select IRQ_FORCED_THREADING 956630a8e5SChristoph Hellwig select ISA if EISA 9612597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 9734c01e41SAlexander Lobakin select MODULES_USE_ELF_RELA if MODULES && 64BIT 9812597988SMatt Redfearn select PERF_USE_VMALLOC 99981aa1d3SThomas Gleixner select PCI_MSI_ARCH_FALLBACKS if PCI_MSI 10005a0a344SArnd Bergmann select RTC_LIB 10112597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 1024aae683fSMasahiro Yamada select TRACE_IRQFLAGS_SUPPORT 10312597988SMatt Redfearn select VIRT_TO_BUS 1040bb87f05SAl Viro select ARCH_HAS_ELFCORE_COMPAT 1051da177e4SLinus Torvalds 106d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR 107d3991572SChristoph Hellwig bool 108d3991572SChristoph Hellwig 109c434b9f8SPaul Cercueilconfig MIPS_GENERIC 110c434b9f8SPaul Cercueil bool 111c434b9f8SPaul Cercueil 112f0f4a753SPaul Cercueilconfig MACH_INGENIC 113f0f4a753SPaul Cercueil bool 114f0f4a753SPaul Cercueil select SYS_SUPPORTS_32BIT_KERNEL 115f0f4a753SPaul Cercueil select SYS_SUPPORTS_LITTLE_ENDIAN 116f0f4a753SPaul Cercueil select SYS_SUPPORTS_ZBOOT 117f0f4a753SPaul Cercueil select DMA_NONCOHERENT 1181660710cSPaul Cercueil select ARCH_HAS_SYNC_DMA_FOR_CPU 119f0f4a753SPaul Cercueil select IRQ_MIPS_CPU 120f0f4a753SPaul Cercueil select PINCTRL 121f0f4a753SPaul Cercueil select GPIOLIB 122f0f4a753SPaul Cercueil select COMMON_CLK 123f0f4a753SPaul Cercueil select GENERIC_IRQ_CHIP 124f0f4a753SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 125f0f4a753SPaul Cercueil select USE_OF 126f0f4a753SPaul Cercueil select CPU_SUPPORTS_CPUFREQ 127f0f4a753SPaul Cercueil select MIPS_EXTERNAL_TIMER 128f0f4a753SPaul Cercueil 1291da177e4SLinus Torvaldsmenu "Machine selection" 1301da177e4SLinus Torvalds 1315e83d430SRalf Baechlechoice 1325e83d430SRalf Baechle prompt "System type" 133c434b9f8SPaul Cercueil default MIPS_GENERIC_KERNEL 1341da177e4SLinus Torvalds 135c434b9f8SPaul Cercueilconfig MIPS_GENERIC_KERNEL 136eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 1374e066441SChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 138c434b9f8SPaul Cercueil select MIPS_GENERIC 139eed0eabdSPaul Burton select BOOT_RAW 140eed0eabdSPaul Burton select BUILTIN_DTB 141eed0eabdSPaul Burton select CEVT_R4K 142eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 143eed0eabdSPaul Burton select COMMON_CLK 144eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 14534c01e41SAlexander Lobakin select CPU_MIPSR2_IRQ_VI 146eed0eabdSPaul Burton select CSRC_R4K 1474e066441SChristoph Hellwig select DMA_NONCOHERENT 148eb01d42aSChristoph Hellwig select HAVE_PCI 149eed0eabdSPaul Burton select IRQ_MIPS_CPU 1500211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 151eed0eabdSPaul Burton select MIPS_CPU_SCACHE 152eed0eabdSPaul Burton select MIPS_GIC 153eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 154eed0eabdSPaul Burton select NO_EXCEPT_FILL 155eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 156eed0eabdSPaul Burton select SMP_UP if SMP 157a3078e59SMatt Redfearn select SWAP_IO_SPACE 158eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 159eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 160eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 161eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 162eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 163eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 164eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 165eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 166eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 167eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 168eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 169eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 170eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 17134c01e41SAlexander Lobakin select SYS_SUPPORTS_MIPS_CPS 172eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 173eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 174eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 175c3e2ee65SPaul Cercueil select SYS_SUPPORTS_ZBOOT 17634c01e41SAlexander Lobakin select UHI_BOOT 1772e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1782e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1792e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1802e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1812e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1822e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 183eed0eabdSPaul Burton select USE_OF 184eed0eabdSPaul Burton help 185eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 186eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 187eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 188eed0eabdSPaul Burton Interface) specification. 189eed0eabdSPaul Burton 19042a4f17dSManuel Laussconfig MIPS_ALCHEMY 191c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 192d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 193f772cdb2SRalf Baechle select CEVT_R4K 194d7ea335cSSteven J. Hill select CSRC_R4K 19567e38cf2SRalf Baechle select IRQ_MIPS_CPU 196a86497d6SChristoph Hellwig select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is 197d3991572SChristoph Hellwig select MIPS_FIXUP_BIGPHYS_ADDR if PCI 19842a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 19942a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 20042a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 201d30a2b47SLinus Walleij select GPIOLIB 2021b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 20347440229SManuel Lauss select COMMON_CLK 2041da177e4SLinus Torvalds 2057ca5dc14SFlorian Fainelliconfig AR7 2067ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 2077ca5dc14SFlorian Fainelli select BOOT_ELF32 208b408b611SArnd Bergmann select COMMON_CLK 2097ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 2107ca5dc14SFlorian Fainelli select CEVT_R4K 2117ca5dc14SFlorian Fainelli select CSRC_R4K 21267e38cf2SRalf Baechle select IRQ_MIPS_CPU 2137ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 2147ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 2157ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 2167ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 2177ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 2187ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 219377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2201b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 221d30a2b47SLinus Walleij select GPIOLIB 2227ca5dc14SFlorian Fainelli select VLYNQ 2237ca5dc14SFlorian Fainelli help 2247ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 2257ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 2267ca5dc14SFlorian Fainelli 22743cc739fSSergey Ryazanovconfig ATH25 22843cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 22943cc739fSSergey Ryazanov select CEVT_R4K 23043cc739fSSergey Ryazanov select CSRC_R4K 23143cc739fSSergey Ryazanov select DMA_NONCOHERENT 23267e38cf2SRalf Baechle select IRQ_MIPS_CPU 2331753e74eSSergey Ryazanov select IRQ_DOMAIN 23443cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 23543cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 23643cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 2378aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 23843cc739fSSergey Ryazanov help 23943cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 24043cc739fSSergey Ryazanov 241d4a67d9dSGabor Juhosconfig ATH79 242d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 243ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 244d4a67d9dSGabor Juhos select BOOT_RAW 245d4a67d9dSGabor Juhos select CEVT_R4K 246d4a67d9dSGabor Juhos select CSRC_R4K 247d4a67d9dSGabor Juhos select DMA_NONCOHERENT 248d30a2b47SLinus Walleij select GPIOLIB 249a08227a2SJohn Crispin select PINCTRL 250411520afSAlban Bedel select COMMON_CLK 25167e38cf2SRalf Baechle select IRQ_MIPS_CPU 252d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 253d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 254d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 255d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 256377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 257b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 25803c8c407SAlban Bedel select USE_OF 25953d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 260d4a67d9dSGabor Juhos help 261d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 262d4a67d9dSGabor Juhos 2635f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2645f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 26529906e1aSÁlvaro Fernández Rojas select ARCH_HAS_RESET_CONTROLLER 266d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 267d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 268d666cd02SKevin Cernekee select BOOT_RAW 269d666cd02SKevin Cernekee select NO_EXCEPT_FILL 270d666cd02SKevin Cernekee select USE_OF 271d666cd02SKevin Cernekee select CEVT_R4K 272d666cd02SKevin Cernekee select CSRC_R4K 273d666cd02SKevin Cernekee select SYNC_R4K 274d666cd02SKevin Cernekee select COMMON_CLK 275c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 27660b858f2SKevin Cernekee select BCM7038_L1_IRQ 27760b858f2SKevin Cernekee select BCM7120_L2_IRQ 27860b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 27967e38cf2SRalf Baechle select IRQ_MIPS_CPU 28060b858f2SKevin Cernekee select DMA_NONCOHERENT 281d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 28260b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 283d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 284d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 28560b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 28660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 28760b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 288d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 289d666cd02SKevin Cernekee select SWAP_IO_SPACE 29060b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 29160b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 29260b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 29360b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2944dc4704cSJustin Chen select HARDIRQS_SW_RESEND 2951d987052SFlorian Fainelli select HAVE_PCI 2961d987052SFlorian Fainelli select PCI_DRIVERS_GENERIC 297d666cd02SKevin Cernekee help 2985f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2995f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 3005f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 3015f2d4459SKevin Cernekee must be set appropriately for your board. 302d666cd02SKevin Cernekee 3031c0c13ebSAurelien Jarnoconfig BCM47XX 304c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 305fe08f8c2SHauke Mehrtens select BOOT_RAW 30642f77542SRalf Baechle select CEVT_R4K 307940f6b48SRalf Baechle select CSRC_R4K 3081c0c13ebSAurelien Jarno select DMA_NONCOHERENT 309eb01d42aSChristoph Hellwig select HAVE_PCI 31067e38cf2SRalf Baechle select IRQ_MIPS_CPU 311314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 312dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 3131c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 3141c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 315377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 3166507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 31725e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 318e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 319c949c0bcSRafał Miłecki select GPIOLIB 320c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 321f6e734a8SRafał Miłecki select BCM47XX_NVRAM 3222ab71a02SRafał Miłecki select BCM47XX_SPROM 323dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 3241c0c13ebSAurelien Jarno help 3251c0c13ebSAurelien Jarno Support for BCM47XX based boards 3261c0c13ebSAurelien Jarno 327e7300d04SMaxime Bizonconfig BCM63XX 328e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 329ae8de61cSFlorian Fainelli select BOOT_RAW 330e7300d04SMaxime Bizon select CEVT_R4K 331e7300d04SMaxime Bizon select CSRC_R4K 332fc264022SJonas Gorski select SYNC_R4K 333e7300d04SMaxime Bizon select DMA_NONCOHERENT 33467e38cf2SRalf Baechle select IRQ_MIPS_CPU 335e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 336e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 337e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 3385eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS32_3300 3395eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS4350 3405eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS4380 341e7300d04SMaxime Bizon select SWAP_IO_SPACE 342d30a2b47SLinus Walleij select GPIOLIB 343af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 344bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 345e7300d04SMaxime Bizon help 346e7300d04SMaxime Bizon Support for BCM63XX based boards 347e7300d04SMaxime Bizon 3481da177e4SLinus Torvaldsconfig MIPS_COBALT 3493fa986faSMartin Michlmayr bool "Cobalt Server" 35042f77542SRalf Baechle select CEVT_R4K 351940f6b48SRalf Baechle select CSRC_R4K 3521097c6acSYoichi Yuasa select CEVT_GT641XX 3531da177e4SLinus Torvalds select DMA_NONCOHERENT 354eb01d42aSChristoph Hellwig select FORCE_PCI 355d865bea4SRalf Baechle select I8253 3561da177e4SLinus Torvalds select I8259 35767e38cf2SRalf Baechle select IRQ_MIPS_CPU 358d5ab1a69SYoichi Yuasa select IRQ_GT641XX 359252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3607cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3610a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 362ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3630e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3645e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 365e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3661da177e4SLinus Torvalds 3671da177e4SLinus Torvaldsconfig MACH_DECSTATION 3683fa986faSMartin Michlmayr bool "DECstations" 3691da177e4SLinus Torvalds select BOOT_ELF32 3706457d9fcSYoichi Yuasa select CEVT_DS1287 37181d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3724247417dSYoichi Yuasa select CSRC_IOASIC 37381d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 37420d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 37520d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 37620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3771da177e4SLinus Torvalds select DMA_NONCOHERENT 378ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 37967e38cf2SRalf Baechle select IRQ_MIPS_CPU 3807cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3817cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 382ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3837d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3845e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3851723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3861723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3871723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 388930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3895e83d430SRalf Baechle help 3901da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3911da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3921da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3931da177e4SLinus Torvalds 3941da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3951da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3961da177e4SLinus Torvalds 3971da177e4SLinus Torvalds DECstation 5000/50 3981da177e4SLinus Torvalds DECstation 5000/150 3991da177e4SLinus Torvalds DECstation 5000/260 4001da177e4SLinus Torvalds DECsystem 5900/260 4011da177e4SLinus Torvalds 4021da177e4SLinus Torvalds otherwise choose R3000. 4031da177e4SLinus Torvalds 4045e83d430SRalf Baechleconfig MACH_JAZZ 4053fa986faSMartin Michlmayr bool "Jazz family of machines" 40639b2d756SThomas Bogendoerfer select ARC_MEMORY 40739b2d756SThomas Bogendoerfer select ARC_PROMLIB 408a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4097a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4102f9237d4SChristoph Hellwig select DMA_OPS 4110e2794b0SRalf Baechle select FW_ARC 4120e2794b0SRalf Baechle select FW_ARC32 4135e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 41442f77542SRalf Baechle select CEVT_R4K 415940f6b48SRalf Baechle select CSRC_R4K 416e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 4175e83d430SRalf Baechle select GENERIC_ISA_DMA 4188a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 41967e38cf2SRalf Baechle select IRQ_MIPS_CPU 420d865bea4SRalf Baechle select I8253 4215e83d430SRalf Baechle select I8259 4225e83d430SRalf Baechle select ISA 4237cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4245e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 4257d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 4261723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 427aadfe4b5SArnd Bergmann select SYS_SUPPORTS_LITTLE_ENDIAN 4281da177e4SLinus Torvalds help 4295e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 4305e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 431692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 4325e83d430SRalf Baechle Olivetti M700-10 workstations. 4335e83d430SRalf Baechle 434f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC 435de361e8bSPaul Burton bool "Ingenic SoC based machines" 436f0f4a753SPaul Cercueil select MIPS_GENERIC 437f0f4a753SPaul Cercueil select MACH_INGENIC 438f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 439eb384937SPaul Cercueil select CPU_SUPPORTS_CPUFREQ 440eb384937SPaul Cercueil select MIPS_EXTERNAL_TIMER 4415ebabe59SLars-Peter Clausen 442171bb2f1SJohn Crispinconfig LANTIQ 443171bb2f1SJohn Crispin bool "Lantiq based platforms" 444171bb2f1SJohn Crispin select DMA_NONCOHERENT 44567e38cf2SRalf Baechle select IRQ_MIPS_CPU 446171bb2f1SJohn Crispin select CEVT_R4K 447171bb2f1SJohn Crispin select CSRC_R4K 448171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 449171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 450171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 451171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 452377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 453171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 454f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 455171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 456d30a2b47SLinus Walleij select GPIOLIB 457171bb2f1SJohn Crispin select SWAP_IO_SPACE 458171bb2f1SJohn Crispin select BOOT_RAW 459bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 460a0392222SJohn Crispin select USE_OF 4613f8c50c9SJohn Crispin select PINCTRL 4623f8c50c9SJohn Crispin select PINCTRL_LANTIQ 463c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 464c530781cSJohn Crispin select RESET_CONTROLLER 465171bb2f1SJohn Crispin 46630ad29bbSHuacai Chenconfig MACH_LOONGSON32 467caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 468c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 469ade299d8SYoichi Yuasa help 47030ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 47185749d24SWu Zhangjin 47230ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 47330ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 47430ad29bbSHuacai Chen Sciences (CAS). 475ade299d8SYoichi Yuasa 47671e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 47771e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 478ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 479ca585cf9SKelvin Cheung help 48071e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 481ca585cf9SKelvin Cheung 48271e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 483caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4846fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4856fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4866fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4876fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4886fbde6b4SJiaxun Yang select BOOT_ELF32 4896fbde6b4SJiaxun Yang select BOARD_SCACHE 4906fbde6b4SJiaxun Yang select CSRC_R4K 4916fbde6b4SJiaxun Yang select CEVT_R4K 4926fbde6b4SJiaxun Yang select CPU_HAS_WB 4936fbde6b4SJiaxun Yang select FORCE_PCI 4946fbde6b4SJiaxun Yang select ISA 4956fbde6b4SJiaxun Yang select I8259 4966fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4977d6d2837SJiaxun Yang select NO_EXCEPT_FILL 4985125bfeeSTiezhu Yang select NR_CPUS_DEFAULT_64 4996fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 5006423e59aSJiaxun Yang select PCI_DRIVERS_GENERIC 5016fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 5026fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 5036fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 5046fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 5056fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 5066fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 5076fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 5086fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 50971e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 510a307a4ceSJinyang He select SYS_SUPPORTS_RELOCATABLE 5116fbde6b4SJiaxun Yang select ZONE_DMA32 51287fcfa7bSJiaxun Yang select COMMON_CLK 51387fcfa7bSJiaxun Yang select USE_OF 51487fcfa7bSJiaxun Yang select BUILTIN_DTB 51539c1485cSHuacai Chen select PCI_HOST_GENERIC 51671e2f4ddSJiaxun Yang help 517caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 518caed1d1bSHuacai Chen 519caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 520caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 521caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 522caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 523ca585cf9SKelvin Cheung 5241da177e4SLinus Torvaldsconfig MIPS_MALTA 5253fa986faSMartin Michlmayr bool "MIPS Malta board" 52661ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 527a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5287a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5291da177e4SLinus Torvalds select BOOT_ELF32 530fa71c960SRalf Baechle select BOOT_RAW 531e8823d26SPaul Burton select BUILTIN_DTB 53242f77542SRalf Baechle select CEVT_R4K 533fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 53442b002abSGuenter Roeck select COMMON_CLK 53547bf2b03SMaksym Kokhan select CSRC_R4K 536a86497d6SChristoph Hellwig select DMA_NONCOHERENT 5371da177e4SLinus Torvalds select GENERIC_ISA_DMA 5388a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 539eb01d42aSChristoph Hellwig select HAVE_PCI 540d865bea4SRalf Baechle select I8253 5411da177e4SLinus Torvalds select I8259 54247bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 5435e83d430SRalf Baechle select MIPS_BONITO64 5449318c51aSChris Dearman select MIPS_CPU_SCACHE 54547bf2b03SMaksym Kokhan select MIPS_GIC 546a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5475e83d430SRalf Baechle select MIPS_MSC 54847bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 549ecafe3e9SPaul Burton select SMP_UP if SMP 5501da177e4SLinus Torvalds select SWAP_IO_SPACE 5517cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5527cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 553bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 554c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 555575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5567cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5575d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 558575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5597cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5607cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 561ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 562ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5635e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 564c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5655e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 566424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 56747bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5680365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 569e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 570f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 57147bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5729693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 573f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5741b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 575e8823d26SPaul Burton select USE_OF 576886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 577abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5781da177e4SLinus Torvalds help 579f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5801da177e4SLinus Torvalds board. 5811da177e4SLinus Torvalds 5822572f00dSJoshua Hendersonconfig MACH_PIC32 5832572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5842572f00dSJoshua Henderson help 5852572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5862572f00dSJoshua Henderson 5872572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5882572f00dSJoshua Henderson microcontrollers. 5892572f00dSJoshua Henderson 5905e83d430SRalf Baechleconfig MACH_VR41XX 59174142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 59242f77542SRalf Baechle select CEVT_R4K 593940f6b48SRalf Baechle select CSRC_R4K 5947cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 595377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 596d30a2b47SLinus Walleij select GPIOLIB 5975e83d430SRalf Baechle 598baec970aSLauri Kasanenconfig MACH_NINTENDO64 599baec970aSLauri Kasanen bool "Nintendo 64 console" 600baec970aSLauri Kasanen select CEVT_R4K 601baec970aSLauri Kasanen select CSRC_R4K 602baec970aSLauri Kasanen select SYS_HAS_CPU_R4300 603baec970aSLauri Kasanen select SYS_SUPPORTS_BIG_ENDIAN 604baec970aSLauri Kasanen select SYS_SUPPORTS_ZBOOT 605baec970aSLauri Kasanen select SYS_SUPPORTS_32BIT_KERNEL 606baec970aSLauri Kasanen select SYS_SUPPORTS_64BIT_KERNEL 607baec970aSLauri Kasanen select DMA_NONCOHERENT 608baec970aSLauri Kasanen select IRQ_MIPS_CPU 609baec970aSLauri Kasanen 610ae2b5bb6SJohn Crispinconfig RALINK 611ae2b5bb6SJohn Crispin bool "Ralink based machines" 612ae2b5bb6SJohn Crispin select CEVT_R4K 61335f752beSArnd Bergmann select COMMON_CLK 614ae2b5bb6SJohn Crispin select CSRC_R4K 615ae2b5bb6SJohn Crispin select BOOT_RAW 616ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61767e38cf2SRalf Baechle select IRQ_MIPS_CPU 618ae2b5bb6SJohn Crispin select USE_OF 619ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 620ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 621ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 622ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 623377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 6241f0400d0SChuanhong Guo select SYS_SUPPORTS_ZBOOT 625ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 6262a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6272a153f1cSJohn Crispin select RESET_CONTROLLER 628ae2b5bb6SJohn Crispin 6294042147aSBert Vermeulenconfig MACH_REALTEK_RTL 6304042147aSBert Vermeulen bool "Realtek RTL838x/RTL839x based machines" 6314042147aSBert Vermeulen select MIPS_GENERIC 6324042147aSBert Vermeulen select DMA_NONCOHERENT 6334042147aSBert Vermeulen select IRQ_MIPS_CPU 6344042147aSBert Vermeulen select CSRC_R4K 6354042147aSBert Vermeulen select CEVT_R4K 6364042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R1 6374042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R2 6384042147aSBert Vermeulen select SYS_SUPPORTS_BIG_ENDIAN 6394042147aSBert Vermeulen select SYS_SUPPORTS_32BIT_KERNEL 6404042147aSBert Vermeulen select SYS_SUPPORTS_MIPS16 6414042147aSBert Vermeulen select SYS_SUPPORTS_MULTITHREADING 6424042147aSBert Vermeulen select SYS_SUPPORTS_VPE_LOADER 6434042147aSBert Vermeulen select SYS_HAS_EARLY_PRINTK 6444042147aSBert Vermeulen select SYS_HAS_EARLY_PRINTK_8250 6454042147aSBert Vermeulen select USE_GENERIC_EARLY_PRINTK_8250 6464042147aSBert Vermeulen select BOOT_RAW 6474042147aSBert Vermeulen select PINCTRL 6484042147aSBert Vermeulen select USE_OF 6494042147aSBert Vermeulen 6501da177e4SLinus Torvaldsconfig SGI_IP22 6513fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 652c0de00b2SThomas Bogendoerfer select ARC_MEMORY 65339b2d756SThomas Bogendoerfer select ARC_PROMLIB 6540e2794b0SRalf Baechle select FW_ARC 6550e2794b0SRalf Baechle select FW_ARC32 6567a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6571da177e4SLinus Torvalds select BOOT_ELF32 65842f77542SRalf Baechle select CEVT_R4K 659940f6b48SRalf Baechle select CSRC_R4K 660e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6611da177e4SLinus Torvalds select DMA_NONCOHERENT 6626630a8e5SChristoph Hellwig select HAVE_EISA 663d865bea4SRalf Baechle select I8253 66468de4803SThomas Bogendoerfer select I8259 6651da177e4SLinus Torvalds select IP22_CPU_SCACHE 66667e38cf2SRalf Baechle select IRQ_MIPS_CPU 667aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 668e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 669e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 67036e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 671e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 672e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 673e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6741da177e4SLinus Torvalds select SWAP_IO_SPACE 6757cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6767cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 677c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 678ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 679ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6805e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 681802b8362SThomas Bogendoerfer select WAR_R4600_V1_INDEX_ICACHEOP 6825e5b6527SThomas Bogendoerfer select WAR_R4600_V1_HIT_CACHEOP 68344def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 684930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6851da177e4SLinus Torvalds help 6861da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6871da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6881da177e4SLinus Torvalds that runs on these, say Y here. 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvaldsconfig SGI_IP27 6913fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 69254aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 693397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 6940e2794b0SRalf Baechle select FW_ARC 6950e2794b0SRalf Baechle select FW_ARC64 696e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 6975e83d430SRalf Baechle select BOOT_ELF64 698e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 69904100459SChristoph Hellwig select FORCE_PCI 70036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 701eb01d42aSChristoph Hellwig select HAVE_PCI 70269a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 703e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 704130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 705a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 706a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7077cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 708ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7095e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 710d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7111a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 712256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 713930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7146c86a302SMike Rapoport select NUMA 7151da177e4SLinus Torvalds help 7161da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7171da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7181da177e4SLinus Torvalds here. 7191da177e4SLinus Torvalds 720e2defae5SThomas Bogendoerferconfig SGI_IP28 7217d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 722c0de00b2SThomas Bogendoerfer select ARC_MEMORY 72339b2d756SThomas Bogendoerfer select ARC_PROMLIB 7240e2794b0SRalf Baechle select FW_ARC 7250e2794b0SRalf Baechle select FW_ARC64 7267a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 727e2defae5SThomas Bogendoerfer select BOOT_ELF64 728e2defae5SThomas Bogendoerfer select CEVT_R4K 729e2defae5SThomas Bogendoerfer select CSRC_R4K 730e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 731e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 732e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 73367e38cf2SRalf Baechle select IRQ_MIPS_CPU 7346630a8e5SChristoph Hellwig select HAVE_EISA 735e2defae5SThomas Bogendoerfer select I8253 736e2defae5SThomas Bogendoerfer select I8259 737e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 738e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7395b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 740e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 741e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 742e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 743e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 744e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 745c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 746e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 747e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 748256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 749dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 750e2defae5SThomas Bogendoerfer help 751e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 752e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 753e2defae5SThomas Bogendoerfer 7547505576dSThomas Bogendoerferconfig SGI_IP30 7557505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7567505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7577505576dSThomas Bogendoerfer select FW_ARC 7587505576dSThomas Bogendoerfer select FW_ARC64 7597505576dSThomas Bogendoerfer select BOOT_ELF64 7607505576dSThomas Bogendoerfer select CEVT_R4K 7617505576dSThomas Bogendoerfer select CSRC_R4K 76204100459SChristoph Hellwig select FORCE_PCI 7637505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7647505576dSThomas Bogendoerfer select ZONE_DMA32 7657505576dSThomas Bogendoerfer select HAVE_PCI 7667505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7677505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7687505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 7697505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7707505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7717505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7727505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7737505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7747505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7757505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 776256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 7777505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7787505576dSThomas Bogendoerfer select ARC_MEMORY 7797505576dSThomas Bogendoerfer help 7807505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 7817505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 7827505576dSThomas Bogendoerfer 7831da177e4SLinus Torvaldsconfig SGI_IP32 784cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 78539b2d756SThomas Bogendoerfer select ARC_MEMORY 78639b2d756SThomas Bogendoerfer select ARC_PROMLIB 78703df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7880e2794b0SRalf Baechle select FW_ARC 7890e2794b0SRalf Baechle select FW_ARC32 7901da177e4SLinus Torvalds select BOOT_ELF32 79142f77542SRalf Baechle select CEVT_R4K 792940f6b48SRalf Baechle select CSRC_R4K 7931da177e4SLinus Torvalds select DMA_NONCOHERENT 794eb01d42aSChristoph Hellwig select HAVE_PCI 79567e38cf2SRalf Baechle select IRQ_MIPS_CPU 7961da177e4SLinus Torvalds select R5000_CPU_SCACHE 7971da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7987cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7997cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 8007cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 801dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 802ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 8035e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 804886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 8051da177e4SLinus Torvalds help 8061da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8071da177e4SLinus Torvalds 808ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 809ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8105e83d430SRalf Baechle select BOOT_ELF32 8115e83d430SRalf Baechle select SIBYTE_BCM1120 8125e83d430SRalf Baechle select SWAP_IO_SPACE 8137cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8145e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8155e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8165e83d430SRalf Baechle 817ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 818ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8195e83d430SRalf Baechle select BOOT_ELF32 8205e83d430SRalf Baechle select SIBYTE_BCM1120 8215e83d430SRalf Baechle select SWAP_IO_SPACE 8227cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8235e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8245e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8255e83d430SRalf Baechle 8265e83d430SRalf Baechleconfig SIBYTE_CRHONE 8273fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8285e83d430SRalf Baechle select BOOT_ELF32 8295e83d430SRalf Baechle select SIBYTE_BCM1125 8305e83d430SRalf Baechle select SWAP_IO_SPACE 8317cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8325e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8335e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8345e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8355e83d430SRalf Baechle 836ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 837ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 838ade299d8SYoichi Yuasa select BOOT_ELF32 839ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 840ade299d8SYoichi Yuasa select SWAP_IO_SPACE 841ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 842ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 843ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 844ade299d8SYoichi Yuasa 845ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 846ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 847ade299d8SYoichi Yuasa select BOOT_ELF32 848fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 849ade299d8SYoichi Yuasa select SIBYTE_SB1250 850ade299d8SYoichi Yuasa select SWAP_IO_SPACE 851ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 852ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 853ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 854ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 855cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 856e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 857ade299d8SYoichi Yuasa 858ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 859ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 860ade299d8SYoichi Yuasa select BOOT_ELF32 861fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 862ade299d8SYoichi Yuasa select SIBYTE_SB1250 863ade299d8SYoichi Yuasa select SWAP_IO_SPACE 864ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 865ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 866ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 867ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 868756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 869ade299d8SYoichi Yuasa 870ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 871ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 872ade299d8SYoichi Yuasa select BOOT_ELF32 873ade299d8SYoichi Yuasa select SIBYTE_SB1250 874ade299d8SYoichi Yuasa select SWAP_IO_SPACE 875ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 876ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 877ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 878e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 879ade299d8SYoichi Yuasa 880ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 881ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 882ade299d8SYoichi Yuasa select BOOT_ELF32 883ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 884ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 885ade299d8SYoichi Yuasa select SWAP_IO_SPACE 886ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 887ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 888651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 889ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 890cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 891e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 892ade299d8SYoichi Yuasa 89314b36af4SThomas Bogendoerferconfig SNI_RM 89414b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 89539b2d756SThomas Bogendoerfer select ARC_MEMORY 89639b2d756SThomas Bogendoerfer select ARC_PROMLIB 8970e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8980e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 899aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 9005e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 901a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 9027a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 9035e83d430SRalf Baechle select BOOT_ELF32 90442f77542SRalf Baechle select CEVT_R4K 905940f6b48SRalf Baechle select CSRC_R4K 906e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9075e83d430SRalf Baechle select DMA_NONCOHERENT 9085e83d430SRalf Baechle select GENERIC_ISA_DMA 9096630a8e5SChristoph Hellwig select HAVE_EISA 9108a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 911eb01d42aSChristoph Hellwig select HAVE_PCI 91267e38cf2SRalf Baechle select IRQ_MIPS_CPU 913d865bea4SRalf Baechle select I8253 9145e83d430SRalf Baechle select I8259 9155e83d430SRalf Baechle select ISA 916564c836fSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_6 9174a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9187cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9194a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 920c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9214a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 92236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 923ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9247d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9254a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9265e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9275e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 92844def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 9291da177e4SLinus Torvalds help 93014b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 93114b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9325e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9335e83d430SRalf Baechle support this machine type. 9341da177e4SLinus Torvalds 935edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 936edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9375e83d430SRalf Baechle 938edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 939edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 94024a1c023SThomas Bogendoerfer select WAR_TX49XX_ICACHE_INDEX_INV 94123fbee9dSRalf Baechle 94273b4390fSRalf Baechleconfig MIKROTIK_RB532 94373b4390fSRalf Baechle bool "Mikrotik RB532 boards" 94473b4390fSRalf Baechle select CEVT_R4K 94573b4390fSRalf Baechle select CSRC_R4K 94673b4390fSRalf Baechle select DMA_NONCOHERENT 947eb01d42aSChristoph Hellwig select HAVE_PCI 94867e38cf2SRalf Baechle select IRQ_MIPS_CPU 94973b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 95073b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 95173b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 95273b4390fSRalf Baechle select SWAP_IO_SPACE 95373b4390fSRalf Baechle select BOOT_RAW 954d30a2b47SLinus Walleij select GPIOLIB 955930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 95673b4390fSRalf Baechle help 95773b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 95873b4390fSRalf Baechle based on the IDT RC32434 SoC. 95973b4390fSRalf Baechle 9609ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9619ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 962a86c7f72SDavid Daney select CEVT_R4K 963ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9641753d50cSChristoph Hellwig select HAVE_RAPIDIO 965d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 966a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 967a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 968f65aad41SRalf Baechle select EDAC_SUPPORT 969b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 97073569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 97173569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 972a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9735e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 974eb01d42aSChristoph Hellwig select HAVE_PCI 97578bdbbacSMasahiro Yamada select HAVE_PLAT_DELAY 97678bdbbacSMasahiro Yamada select HAVE_PLAT_FW_INIT_CMDLINE 97778bdbbacSMasahiro Yamada select HAVE_PLAT_MEMCPY 978f00e001eSDavid Daney select ZONE_DMA32 979d30a2b47SLinus Walleij select GPIOLIB 9806e511163SDavid Daney select USE_OF 9816e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9826e511163SDavid Daney select SYS_SUPPORTS_SMP 9837820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9847820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 985e326479fSAndrew Bresticker select BUILTIN_DTB 986f766b28aSJulian Braha select MTD 9878c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 98809230cbcSChristoph Hellwig select SWIOTLB 9893ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 990a86c7f72SDavid Daney help 991a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 992a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 993a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 994a86c7f72SDavid Daney Some of the supported boards are: 995a86c7f72SDavid Daney EBT3000 996a86c7f72SDavid Daney EBH3000 997a86c7f72SDavid Daney EBH3100 998a86c7f72SDavid Daney Thunder 999a86c7f72SDavid Daney Kodama 1000a86c7f72SDavid Daney Hikari 1001a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 1002a86c7f72SDavid Daney 10031da177e4SLinus Torvaldsendchoice 10041da177e4SLinus Torvalds 1005e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10063b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1007d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1008a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1009e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10108945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1011eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 1012a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig" 10135e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10148ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10152572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1016ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 101729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 101838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 101922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10205e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1021a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 102271e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 102330ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 102430ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 102538b18f72SRalf Baechle 10265e83d430SRalf Baechleendmenu 10275e83d430SRalf Baechle 10283c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10293c9ee7efSAkinobu Mita bool 10303c9ee7efSAkinobu Mita default y 10313c9ee7efSAkinobu Mita 10321da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10331da177e4SLinus Torvalds bool 10341da177e4SLinus Torvalds default y 10351da177e4SLinus Torvalds 1036ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10371cc89038SAtsushi Nemoto bool 10381cc89038SAtsushi Nemoto default y 10391cc89038SAtsushi Nemoto 10401da177e4SLinus Torvalds# 10411da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10421da177e4SLinus Torvalds# 10430e2794b0SRalf Baechleconfig FW_ARC 10441da177e4SLinus Torvalds bool 10451da177e4SLinus Torvalds 104661ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 104761ed242dSRalf Baechle bool 104861ed242dSRalf Baechle 10499267a30dSMarc St-Jeanconfig BOOT_RAW 10509267a30dSMarc St-Jean bool 10519267a30dSMarc St-Jean 1052217dd11eSRalf Baechleconfig CEVT_BCM1480 1053217dd11eSRalf Baechle bool 1054217dd11eSRalf Baechle 10556457d9fcSYoichi Yuasaconfig CEVT_DS1287 10566457d9fcSYoichi Yuasa bool 10576457d9fcSYoichi Yuasa 10581097c6acSYoichi Yuasaconfig CEVT_GT641XX 10591097c6acSYoichi Yuasa bool 10601097c6acSYoichi Yuasa 106142f77542SRalf Baechleconfig CEVT_R4K 106242f77542SRalf Baechle bool 106342f77542SRalf Baechle 1064217dd11eSRalf Baechleconfig CEVT_SB1250 1065217dd11eSRalf Baechle bool 1066217dd11eSRalf Baechle 1067229f773eSAtsushi Nemotoconfig CEVT_TXX9 1068229f773eSAtsushi Nemoto bool 1069229f773eSAtsushi Nemoto 1070217dd11eSRalf Baechleconfig CSRC_BCM1480 1071217dd11eSRalf Baechle bool 1072217dd11eSRalf Baechle 10734247417dSYoichi Yuasaconfig CSRC_IOASIC 10744247417dSYoichi Yuasa bool 10754247417dSYoichi Yuasa 1076940f6b48SRalf Baechleconfig CSRC_R4K 107738586428SSerge Semin select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1078940f6b48SRalf Baechle bool 1079940f6b48SRalf Baechle 1080217dd11eSRalf Baechleconfig CSRC_SB1250 1081217dd11eSRalf Baechle bool 1082217dd11eSRalf Baechle 1083a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1084a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1085a7f4df4eSAlex Smith 1086a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1087d30a2b47SLinus Walleij select GPIOLIB 1088a9aec7feSAtsushi Nemoto bool 1089a9aec7feSAtsushi Nemoto 10900e2794b0SRalf Baechleconfig FW_CFE 1091df78b5c8SAurelien Jarno bool 1092df78b5c8SAurelien Jarno 109340e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 109440e084a5SRalf Baechle bool 109540e084a5SRalf Baechle 109620d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 109720d33064SPaul Burton bool 1098347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 10995748e1b3SChristoph Hellwig select DMA_NONCOHERENT 110020d33064SPaul Burton 11011da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11021da177e4SLinus Torvalds bool 1103db91427bSChristoph Hellwig # 1104db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1105db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1106db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1107db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1108db91427bSChristoph Hellwig # significant advantages. 1109db91427bSChristoph Hellwig # 1110419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1111fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_PREP_COHERENT 1112f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1113fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_SET_UNCACHED 111434dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 111534dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 11164ce588cdSRalf Baechle 111736a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11181da177e4SLinus Torvalds bool 11191da177e4SLinus Torvalds 11201b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1121dbb74540SRalf Baechle bool 1122dbb74540SRalf Baechle 11231da177e4SLinus Torvaldsconfig MIPS_BONITO64 11241da177e4SLinus Torvalds bool 11251da177e4SLinus Torvalds 11261da177e4SLinus Torvaldsconfig MIPS_MSC 11271da177e4SLinus Torvalds bool 11281da177e4SLinus Torvalds 112939b8d525SRalf Baechleconfig SYNC_R4K 113039b8d525SRalf Baechle bool 113139b8d525SRalf Baechle 1132ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1133d388d685SMaciej W. Rozycki def_bool n 1134d388d685SMaciej W. Rozycki 11354e0748f5SMarkos Chandrasconfig GENERIC_CSUM 113618d84e2eSAlexander Lobakin def_bool CPU_NO_LOAD_STORE_LR 11374e0748f5SMarkos Chandras 11388313da30SRalf Baechleconfig GENERIC_ISA_DMA 11398313da30SRalf Baechle bool 11408313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1141a35bee8aSNamhyung Kim select ISA_DMA_API 11428313da30SRalf Baechle 1143aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1144aa414dffSRalf Baechle bool 11458313da30SRalf Baechle select GENERIC_ISA_DMA 1146aa414dffSRalf Baechle 114778bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY 114878bdbbacSMasahiro Yamada bool 114978bdbbacSMasahiro Yamada 115078bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE 115178bdbbacSMasahiro Yamada bool 115278bdbbacSMasahiro Yamada 115378bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY 115478bdbbacSMasahiro Yamada bool 115578bdbbacSMasahiro Yamada 1156a35bee8aSNamhyung Kimconfig ISA_DMA_API 1157a35bee8aSNamhyung Kim bool 1158a35bee8aSNamhyung Kim 11598c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11608c530ea3SMatt Redfearn bool 11618c530ea3SMatt Redfearn help 11628c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11638c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11648c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11658c530ea3SMatt Redfearn 11665e83d430SRalf Baechle# 11676b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11685e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11695e83d430SRalf Baechle# choice statement should be more obvious to the user. 11705e83d430SRalf Baechle# 11715e83d430SRalf Baechlechoice 11726b2aac42SMasanari Iida prompt "Endianness selection" 11731da177e4SLinus Torvalds help 11741da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11755e83d430SRalf Baechle byte order. These modes require different kernels and a different 11763cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11775e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11783dde6ad8SDavid Sterba one or the other endianness. 11795e83d430SRalf Baechle 11805e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11815e83d430SRalf Baechle bool "Big endian" 11825e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11835e83d430SRalf Baechle 11845e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11855e83d430SRalf Baechle bool "Little endian" 11865e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11875e83d430SRalf Baechle 11885e83d430SRalf Baechleendchoice 11895e83d430SRalf Baechle 119022b0763aSDavid Daneyconfig EXPORT_UASM 119122b0763aSDavid Daney bool 119222b0763aSDavid Daney 11932116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 11942116245eSRalf Baechle bool 11952116245eSRalf Baechle 11965e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 11975e83d430SRalf Baechle bool 11985e83d430SRalf Baechle 11995e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12005e83d430SRalf Baechle bool 12011da177e4SLinus Torvalds 1202aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1203aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1204aa1762f4SDavid Daney 12059267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12069267a30dSMarc St-Jean bool 12079267a30dSMarc St-Jean 12089267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12099267a30dSMarc St-Jean bool 12109267a30dSMarc St-Jean 12118420fd00SAtsushi Nemotoconfig IRQ_TXX9 12128420fd00SAtsushi Nemoto bool 12138420fd00SAtsushi Nemoto 1214d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1215d5ab1a69SYoichi Yuasa bool 1216d5ab1a69SYoichi Yuasa 1217252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12181da177e4SLinus Torvalds bool 12191da177e4SLinus Torvalds 1220a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1221a57140e9SThomas Bogendoerfer bool 1222a57140e9SThomas Bogendoerfer 12239267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12249267a30dSMarc St-Jean bool 12259267a30dSMarc St-Jean 1226a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1227a7e07b1aSMarkos Chandras bool 1228a7e07b1aSMarkos Chandras 12291da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12301da177e4SLinus Torvalds bool 12311da177e4SLinus Torvalds 1232e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1233e2defae5SThomas Bogendoerfer bool 1234e2defae5SThomas Bogendoerfer 12355b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12365b438c44SThomas Bogendoerfer bool 12375b438c44SThomas Bogendoerfer 1238e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1239e2defae5SThomas Bogendoerfer bool 1240e2defae5SThomas Bogendoerfer 1241e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1242e2defae5SThomas Bogendoerfer bool 1243e2defae5SThomas Bogendoerfer 1244e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1245e2defae5SThomas Bogendoerfer bool 1246e2defae5SThomas Bogendoerfer 1247e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1248e2defae5SThomas Bogendoerfer bool 1249e2defae5SThomas Bogendoerfer 1250e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1251e2defae5SThomas Bogendoerfer bool 1252e2defae5SThomas Bogendoerfer 12530e2794b0SRalf Baechleconfig FW_ARC32 12545e83d430SRalf Baechle bool 12555e83d430SRalf Baechle 1256aaa9fad3SPaul Bolleconfig FW_SNIPROM 1257231a35d3SThomas Bogendoerfer bool 1258231a35d3SThomas Bogendoerfer 12591da177e4SLinus Torvaldsconfig BOOT_ELF32 12601da177e4SLinus Torvalds bool 12611da177e4SLinus Torvalds 1262930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1263930beb5aSFlorian Fainelli bool 1264930beb5aSFlorian Fainelli 1265930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1266930beb5aSFlorian Fainelli bool 1267930beb5aSFlorian Fainelli 1268930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1269930beb5aSFlorian Fainelli bool 1270930beb5aSFlorian Fainelli 1271930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1272930beb5aSFlorian Fainelli bool 1273930beb5aSFlorian Fainelli 12741da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12751da177e4SLinus Torvalds int 1276a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12775432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 12785432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 12795432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 12801da177e4SLinus Torvalds default "5" 12811da177e4SLinus Torvalds 1282e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1283e9422427SThomas Bogendoerfer bool 1284e9422427SThomas Bogendoerfer 12851da177e4SLinus Torvaldsconfig ARC_CONSOLE 12861da177e4SLinus Torvalds bool "ARC console support" 1287e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12881da177e4SLinus Torvalds 12891da177e4SLinus Torvaldsconfig ARC_MEMORY 12901da177e4SLinus Torvalds bool 12911da177e4SLinus Torvalds 12921da177e4SLinus Torvaldsconfig ARC_PROMLIB 12931da177e4SLinus Torvalds bool 12941da177e4SLinus Torvalds 12950e2794b0SRalf Baechleconfig FW_ARC64 12961da177e4SLinus Torvalds bool 12971da177e4SLinus Torvalds 12981da177e4SLinus Torvaldsconfig BOOT_ELF64 12991da177e4SLinus Torvalds bool 13001da177e4SLinus Torvalds 13011da177e4SLinus Torvaldsmenu "CPU selection" 13021da177e4SLinus Torvalds 13031da177e4SLinus Torvaldschoice 13041da177e4SLinus Torvalds prompt "CPU type" 13051da177e4SLinus Torvalds default CPU_R4X00 13061da177e4SLinus Torvalds 1307268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1308caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1309268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1310d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 131151522217SJiaxun Yang select CPU_MIPSR2 131251522217SJiaxun Yang select CPU_HAS_PREFETCH 13130e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13140e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13150e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13167507445bSHuacai Chen select CPU_SUPPORTS_MSA 131751522217SJiaxun Yang select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 131851522217SJiaxun Yang select CPU_MIPSR2_IRQ_VI 13190e476d91SHuacai Chen select WEAK_ORDERING 13200e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 13217507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1322b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 132317c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 13247f3b3c2bSJackie Liu select MIPS_FP_SUPPORT 1325d30a2b47SLinus Walleij select GPIOLIB 132609230cbcSChristoph Hellwig select SWIOTLB 13270f78355cSHuacai Chen select HAVE_KVM 13280e476d91SHuacai Chen help 1329caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1330caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1331caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1332caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1333caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 13340e476d91SHuacai Chen 1335caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1336caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 13371e820da3SHuacai Chen default n 1338268a2d60SJiaxun Yang depends on CPU_LOONGSON64 13391e820da3SHuacai Chen help 1340caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 13411e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1342268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 13431e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13441e820da3SHuacai Chen Fast TLB refill support, etc. 13451e820da3SHuacai Chen 13461e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13471e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13481e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1349caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 13501e820da3SHuacai Chen 1351e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1352caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1353e02e07e3SHuacai Chen default y if SMP 1354268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1355e02e07e3SHuacai Chen help 1356caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1357e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1358e02e07e3SHuacai Chen 1359caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1360e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1361e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1362e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1363e02e07e3SHuacai Chen 1364e02e07e3SHuacai Chen If unsure, please say Y. 1365e02e07e3SHuacai Chen 1366ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION 1367ec7a9318SWANG Xuerui bool "Emulate the CPUCFG instruction on older Loongson cores" 1368ec7a9318SWANG Xuerui default y 1369ec7a9318SWANG Xuerui depends on CPU_LOONGSON64 1370ec7a9318SWANG Xuerui help 1371ec7a9318SWANG Xuerui Loongson-3A R4 and newer have the CPUCFG instruction available for 1372ec7a9318SWANG Xuerui userland to query CPU capabilities, much like CPUID on x86. This 1373ec7a9318SWANG Xuerui option provides emulation of the instruction on older Loongson 1374ec7a9318SWANG Xuerui cores, back to Loongson-3A1000. 1375ec7a9318SWANG Xuerui 1376ec7a9318SWANG Xuerui If unsure, please say Y. 1377ec7a9318SWANG Xuerui 13783702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13793702bba5SWu Zhangjin bool "Loongson 2E" 13803702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1381268a2d60SJiaxun Yang select CPU_LOONGSON2EF 13822a21c730SFuxin Zhang help 13832a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13842a21c730SFuxin Zhang with many extensions. 13852a21c730SFuxin Zhang 138625985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13876f7a251aSWu Zhangjin bonito64. 13886f7a251aSWu Zhangjin 13896f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13906f7a251aSWu Zhangjin bool "Loongson 2F" 13916f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1392268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1393d30a2b47SLinus Walleij select GPIOLIB 13946f7a251aSWu Zhangjin help 13956f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13966f7a251aSWu Zhangjin with many extensions. 13976f7a251aSWu Zhangjin 13986f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13996f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14006f7a251aSWu Zhangjin Loongson2E. 14016f7a251aSWu Zhangjin 1402ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1403ca585cf9SKelvin Cheung bool "Loongson 1B" 1404ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1405b2afb64cSHuacai Chen select CPU_LOONGSON32 14069ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1407ca585cf9SKelvin Cheung help 1408ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1409968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1410968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1411ca585cf9SKelvin Cheung 141212e3280bSYang Lingconfig CPU_LOONGSON1C 141312e3280bSYang Ling bool "Loongson 1C" 141412e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1415b2afb64cSHuacai Chen select CPU_LOONGSON32 141612e3280bSYang Ling select LEDS_GPIO_REGISTER 141712e3280bSYang Ling help 141812e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1419968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1420968dc5a0S谢致邦 (XIE Zhibang) instruction set. 142112e3280bSYang Ling 14226e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14236e760c8dSRalf Baechle bool "MIPS32 Release 1" 14247cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14256e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1426797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1427ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14286e760c8dSRalf Baechle help 14295e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14301e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14311e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14321e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14331e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14341e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14351e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14361e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14371e5f1caaSRalf Baechle performance. 14381e5f1caaSRalf Baechle 14391e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14401e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14417cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14421e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1443797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1444ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1445a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14462235a54dSSanjay Lal select HAVE_KVM 14471e5f1caaSRalf Baechle help 14485e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14496e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14506e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14516e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14526e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14531da177e4SLinus Torvalds 1454ab7c01fdSSerge Seminconfig CPU_MIPS32_R5 1455ab7c01fdSSerge Semin bool "MIPS32 Release 5" 1456ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS32_R5 1457ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1458ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1459ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1460ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1461ab7c01fdSSerge Semin select HAVE_KVM 1462ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT 1463ab7c01fdSSerge Semin help 1464ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1465ab7c01fdSSerge Semin MIPS32 architecture. New MIPS processors, starting with the Warrior 1466ab7c01fdSSerge Semin family, are based on a MIPS32r5 processor. If you own an older 1467ab7c01fdSSerge Semin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1468ab7c01fdSSerge Semin 14697fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1470674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14717fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14727fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 147318d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 14747fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14757fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14767fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14777fd08ca5SLeonid Yegoshin select HAVE_KVM 14787fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14797fd08ca5SLeonid Yegoshin help 14807fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14817fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14827fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14837fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14847fd08ca5SLeonid Yegoshin 14856e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14866e760c8dSRalf Baechle bool "MIPS64 Release 1" 14877cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1488797798c1SRalf Baechle select CPU_HAS_PREFETCH 1489ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1490ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1491ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14929cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14936e760c8dSRalf Baechle help 14946e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14956e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14966e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14976e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14986e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14991e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15001e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15011e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15021e5f1caaSRalf Baechle performance. 15031e5f1caaSRalf Baechle 15041e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15051e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15067cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1507797798c1SRalf Baechle select CPU_HAS_PREFETCH 15081e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15091e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1510ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15119cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1512a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 151340a2df49SJames Hogan select HAVE_KVM 15141e5f1caaSRalf Baechle help 15151e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15161e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15171e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15181e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15191e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15201da177e4SLinus Torvalds 1521ab7c01fdSSerge Seminconfig CPU_MIPS64_R5 1522ab7c01fdSSerge Semin bool "MIPS64 Release 5" 1523ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS64_R5 1524ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1525ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1526ab7c01fdSSerge Semin select CPU_SUPPORTS_64BIT_KERNEL 1527ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1528ab7c01fdSSerge Semin select CPU_SUPPORTS_HUGEPAGES 1529ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1530ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1531ab7c01fdSSerge Semin select HAVE_KVM 1532ab7c01fdSSerge Semin help 1533ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1534ab7c01fdSSerge Semin MIPS64 architecture. This is a intermediate MIPS architecture 1535ab7c01fdSSerge Semin release partly implementing release 6 features. Though there is no 1536ab7c01fdSSerge Semin any hardware known to be based on this release. 1537ab7c01fdSSerge Semin 15387fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1539674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15407fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15417fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 154218d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 15437fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15447fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15457fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1546afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 15477fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15482e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 154940a2df49SJames Hogan select HAVE_KVM 15507fd08ca5SLeonid Yegoshin help 15517fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15527fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15537fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15547fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15557fd08ca5SLeonid Yegoshin 1556281e3aeaSSerge Seminconfig CPU_P5600 1557281e3aeaSSerge Semin bool "MIPS Warrior P5600" 1558281e3aeaSSerge Semin depends on SYS_HAS_CPU_P5600 1559281e3aeaSSerge Semin select CPU_HAS_PREFETCH 1560281e3aeaSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1561281e3aeaSSerge Semin select CPU_SUPPORTS_HIGHMEM 1562281e3aeaSSerge Semin select CPU_SUPPORTS_MSA 1563281e3aeaSSerge Semin select CPU_SUPPORTS_CPUFREQ 1564281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_VI 1565281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_EI 1566281e3aeaSSerge Semin select HAVE_KVM 1567281e3aeaSSerge Semin select MIPS_O32_FP64_SUPPORT 1568281e3aeaSSerge Semin help 1569281e3aeaSSerge Semin Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1570281e3aeaSSerge Semin It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1571281e3aeaSSerge Semin MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1572281e3aeaSSerge Semin level features like up to six P5600 calculation cores, CM2 with L2 1573281e3aeaSSerge Semin cache, IOCU/IOMMU (though might be unused depending on the system- 1574281e3aeaSSerge Semin specific IP core configuration), GIC, CPC, virtualisation module, 1575281e3aeaSSerge Semin eJTAG and PDtrace. 1576281e3aeaSSerge Semin 15771da177e4SLinus Torvaldsconfig CPU_R3000 15781da177e4SLinus Torvalds bool "R3000" 15797cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1580f7062ddbSRalf Baechle select CPU_HAS_WB 158154746829SPaul Burton select CPU_R3K_TLB 1582ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1583797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15841da177e4SLinus Torvalds help 15851da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15861da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15871da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15881da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15891da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15901da177e4SLinus Torvalds try to recompile with R3000. 15911da177e4SLinus Torvalds 15921da177e4SLinus Torvaldsconfig CPU_TX39XX 15931da177e4SLinus Torvalds bool "R39XX" 15947cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1595ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 159654746829SPaul Burton select CPU_R3K_TLB 15971da177e4SLinus Torvalds 15981da177e4SLinus Torvaldsconfig CPU_VR41XX 15991da177e4SLinus Torvalds bool "R41xx" 16007cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1601ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1602ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16031da177e4SLinus Torvalds help 16045e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16051da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16061da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16071da177e4SLinus Torvalds processor or vice versa. 16081da177e4SLinus Torvalds 160965ce6197SLauri Kasanenconfig CPU_R4300 161065ce6197SLauri Kasanen bool "R4300" 161165ce6197SLauri Kasanen depends on SYS_HAS_CPU_R4300 161265ce6197SLauri Kasanen select CPU_SUPPORTS_32BIT_KERNEL 161365ce6197SLauri Kasanen select CPU_SUPPORTS_64BIT_KERNEL 161465ce6197SLauri Kasanen select CPU_HAS_LOAD_STORE_LR 161565ce6197SLauri Kasanen help 161665ce6197SLauri Kasanen MIPS Technologies R4300-series processors. 161765ce6197SLauri Kasanen 16181da177e4SLinus Torvaldsconfig CPU_R4X00 16191da177e4SLinus Torvalds bool "R4x00" 16207cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1621ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1622ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1623970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16241da177e4SLinus Torvalds help 16251da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16261da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16271da177e4SLinus Torvalds 16281da177e4SLinus Torvaldsconfig CPU_TX49XX 16291da177e4SLinus Torvalds bool "R49XX" 16307cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1631de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1632ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1633ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1634970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16351da177e4SLinus Torvalds 16361da177e4SLinus Torvaldsconfig CPU_R5000 16371da177e4SLinus Torvalds bool "R5000" 16387cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1639ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1640ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1641970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16421da177e4SLinus Torvalds help 16431da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16441da177e4SLinus Torvalds 1645542c1020SShinya Kuribayashiconfig CPU_R5500 1646542c1020SShinya Kuribayashi bool "R5500" 1647542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1648542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1649542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16509cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1651542c1020SShinya Kuribayashi help 1652542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1653542c1020SShinya Kuribayashi instruction set. 1654542c1020SShinya Kuribayashi 16551da177e4SLinus Torvaldsconfig CPU_NEVADA 16561da177e4SLinus Torvalds bool "RM52xx" 16577cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1658ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1659ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1660970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16611da177e4SLinus Torvalds help 16621da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16631da177e4SLinus Torvalds 16641da177e4SLinus Torvaldsconfig CPU_R10000 16651da177e4SLinus Torvalds bool "R10000" 16667cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16675e83d430SRalf Baechle select CPU_HAS_PREFETCH 1668ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1669ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1670797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1671970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16721da177e4SLinus Torvalds help 16731da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16741da177e4SLinus Torvalds 16751da177e4SLinus Torvaldsconfig CPU_RM7000 16761da177e4SLinus Torvalds bool "RM7000" 16777cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16785e83d430SRalf Baechle select CPU_HAS_PREFETCH 1679ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1680ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1681797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1682970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16831da177e4SLinus Torvalds 16841da177e4SLinus Torvaldsconfig CPU_SB1 16851da177e4SLinus Torvalds bool "SB1" 16867cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1687ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1688ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1689797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1690970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16910004a9dfSRalf Baechle select WEAK_ORDERING 16921da177e4SLinus Torvalds 1693a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1694a86c7f72SDavid Daney bool "Cavium Octeon processor" 16955e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1696a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1697a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1698a86c7f72SDavid Daney select WEAK_ORDERING 1699a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17009cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1701df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1702df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1703930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17040ae3abcdSJames Hogan select HAVE_KVM 1705a86c7f72SDavid Daney help 1706a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1707a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1708a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1709a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1710a86c7f72SDavid Daney 1711cd746249SJonas Gorskiconfig CPU_BMIPS 1712cd746249SJonas Gorski bool "Broadcom BMIPS" 1713cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1714cd746249SJonas Gorski select CPU_MIPS32 1715fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1716cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1717cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1718cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1719cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1720cd746249SJonas Gorski select DMA_NONCOHERENT 172167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1722cd746249SJonas Gorski select SWAP_IO_SPACE 1723cd746249SJonas Gorski select WEAK_ORDERING 1724c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 172569aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1726a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1727a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1728bf8bde41SFlorian Fainelli select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 1729c1c0c461SKevin Cernekee help 1730fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1731c1c0c461SKevin Cernekee 17321da177e4SLinus Torvaldsendchoice 17331da177e4SLinus Torvalds 1734a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1735a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1736a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1737281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1738281e3aeaSSerge Semin CPU_P5600 1739a6e18781SLeonid Yegoshin help 1740a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1741a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1742a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1743a6e18781SLeonid Yegoshin 1744a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1745a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1746a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1747a6e18781SLeonid Yegoshin select EVA 1748a6e18781SLeonid Yegoshin default y 1749a6e18781SLeonid Yegoshin help 1750a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1751a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1752a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1753a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1754a6e18781SLeonid Yegoshin 1755c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1756c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1757c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1758281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1759c5b36783SSteven J. Hill help 1760c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1761c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1762c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1763c5b36783SSteven J. Hill 1764c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1765c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1766c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1767c5b36783SSteven J. Hill depends on !EVA 1768c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1769c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1770c5b36783SSteven J. Hill select XPA 1771c5b36783SSteven J. Hill select HIGHMEM 1772d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1773c5b36783SSteven J. Hill default n 1774c5b36783SSteven J. Hill help 1775c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1776c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1777c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1778c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1779c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1780c5b36783SSteven J. Hill If unsure, say 'N' here. 1781c5b36783SSteven J. Hill 1782622844bfSWu Zhangjinif CPU_LOONGSON2F 1783622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1784622844bfSWu Zhangjin bool 1785622844bfSWu Zhangjin 1786622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1787622844bfSWu Zhangjin bool 1788622844bfSWu Zhangjin 1789622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1790622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1791622844bfSWu Zhangjin default y 1792622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1793622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1794622844bfSWu Zhangjin help 1795622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1796622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1797622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1798622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1799622844bfSWu Zhangjin 1800622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1801622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1802622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1803622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1804622844bfSWu Zhangjin systems. 1805622844bfSWu Zhangjin 1806622844bfSWu Zhangjin If unsure, please say Y. 1807622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1808622844bfSWu Zhangjin 18091b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18101b93b3c3SWu Zhangjin bool 18111b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18121b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 181331c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18141b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1815fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18164e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 1817a510b616SPaul Cercueil select HAVE_KERNEL_ZSTD 18181b93b3c3SWu Zhangjin 18191b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18201b93b3c3SWu Zhangjin bool 18211b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18221b93b3c3SWu Zhangjin 1823dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1824dbb98314SAlban Bedel bool 1825dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1826dbb98314SAlban Bedel 1827268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 18283702bba5SWu Zhangjin bool 18293702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18303702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18313702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1832970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1833e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 18343702bba5SWu Zhangjin 1835b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1836ca585cf9SKelvin Cheung bool 1837ca585cf9SKelvin Cheung select CPU_MIPS32 18387e280f6bSJiaxun Yang select CPU_MIPSR2 1839ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1840ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1841ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1842f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1843ca585cf9SKelvin Cheung 1844fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 184504fa8bf7SJonas Gorski select SMP_UP if SMP 18461bbb6c1bSKevin Cernekee bool 1847cd746249SJonas Gorski 1848cd746249SJonas Gorskiconfig CPU_BMIPS4350 1849cd746249SJonas Gorski bool 1850cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1851cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1852cd746249SJonas Gorski 1853cd746249SJonas Gorskiconfig CPU_BMIPS4380 1854cd746249SJonas Gorski bool 1855bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1856cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1857cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1858b4720809SFlorian Fainelli select CPU_HAS_RIXI 1859cd746249SJonas Gorski 1860cd746249SJonas Gorskiconfig CPU_BMIPS5000 1861cd746249SJonas Gorski bool 1862cd746249SJonas Gorski select MIPS_CPU_SCACHE 1863bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1864cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1865cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1866b4720809SFlorian Fainelli select CPU_HAS_RIXI 18671bbb6c1bSKevin Cernekee 1868268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 18690e476d91SHuacai Chen bool 18700e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1871b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18720e476d91SHuacai Chen 18733702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18742a21c730SFuxin Zhang bool 18752a21c730SFuxin Zhang 18766f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18776f7a251aSWu Zhangjin bool 187855045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 187955045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 18806f7a251aSWu Zhangjin 1881ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1882ca585cf9SKelvin Cheung bool 1883ca585cf9SKelvin Cheung 188412e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 188512e3280bSYang Ling bool 188612e3280bSYang Ling 18877cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18887cf8053bSRalf Baechle bool 18897cf8053bSRalf Baechle 18907cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18917cf8053bSRalf Baechle bool 18927cf8053bSRalf Baechle 1893a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1894a6e18781SLeonid Yegoshin bool 1895a6e18781SLeonid Yegoshin 1896c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1897c5b36783SSteven J. Hill bool 18989ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1899c5b36783SSteven J. Hill 19007fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19017fd08ca5SLeonid Yegoshin bool 19029ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19037fd08ca5SLeonid Yegoshin 19047cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19057cf8053bSRalf Baechle bool 19067cf8053bSRalf Baechle 19077cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19087cf8053bSRalf Baechle bool 19097cf8053bSRalf Baechle 19107fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19117fd08ca5SLeonid Yegoshin bool 19129ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19137fd08ca5SLeonid Yegoshin 1914281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600 1915281e3aeaSSerge Semin bool 1916281e3aeaSSerge Semin select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1917281e3aeaSSerge Semin 19187cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19197cf8053bSRalf Baechle bool 19207cf8053bSRalf Baechle 19217cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19227cf8053bSRalf Baechle bool 19237cf8053bSRalf Baechle 19247cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19257cf8053bSRalf Baechle bool 19267cf8053bSRalf Baechle 192765ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300 192865ce6197SLauri Kasanen bool 192965ce6197SLauri Kasanen 19307cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19317cf8053bSRalf Baechle bool 19327cf8053bSRalf Baechle 19337cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19347cf8053bSRalf Baechle bool 19357cf8053bSRalf Baechle 19367cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19377cf8053bSRalf Baechle bool 19387cf8053bSRalf Baechle 1939542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1940542c1020SShinya Kuribayashi bool 1941542c1020SShinya Kuribayashi 19427cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19437cf8053bSRalf Baechle bool 19447cf8053bSRalf Baechle 19457cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19467cf8053bSRalf Baechle bool 19479ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19487cf8053bSRalf Baechle 19497cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19507cf8053bSRalf Baechle bool 19517cf8053bSRalf Baechle 19527cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19537cf8053bSRalf Baechle bool 19547cf8053bSRalf Baechle 19555e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19565e683389SDavid Daney bool 19575e683389SDavid Daney 1958cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1959c1c0c461SKevin Cernekee bool 1960c1c0c461SKevin Cernekee 1961fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1962c1c0c461SKevin Cernekee bool 1963cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1964c1c0c461SKevin Cernekee 1965c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1966c1c0c461SKevin Cernekee bool 1967cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1968c1c0c461SKevin Cernekee 1969c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1970c1c0c461SKevin Cernekee bool 1971cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1972c1c0c461SKevin Cernekee 1973c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1974c1c0c461SKevin Cernekee bool 1975cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1976f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 1977c1c0c461SKevin Cernekee 197817099b11SRalf Baechle# 197917099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 198017099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 198117099b11SRalf Baechle# 19820004a9dfSRalf Baechleconfig WEAK_ORDERING 19830004a9dfSRalf Baechle bool 198417099b11SRalf Baechle 198517099b11SRalf Baechle# 198617099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 198717099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 198817099b11SRalf Baechle# 198917099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 199017099b11SRalf Baechle bool 19915e83d430SRalf Baechleendmenu 19925e83d430SRalf Baechle 19935e83d430SRalf Baechle# 19945e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19955e83d430SRalf Baechle# 19965e83d430SRalf Baechleconfig CPU_MIPS32 19975e83d430SRalf Baechle bool 1998ab7c01fdSSerge Semin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 1999281e3aeaSSerge Semin CPU_MIPS32_R6 || CPU_P5600 20005e83d430SRalf Baechle 20015e83d430SRalf Baechleconfig CPU_MIPS64 20025e83d430SRalf Baechle bool 2003ab7c01fdSSerge Semin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 20045a4fa44fSJason A. Donenfeld CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON 20055e83d430SRalf Baechle 20065e83d430SRalf Baechle# 200757eeacedSPaul Burton# These indicate the revision of the architecture 20085e83d430SRalf Baechle# 20095e83d430SRalf Baechleconfig CPU_MIPSR1 20105e83d430SRalf Baechle bool 20115e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20125e83d430SRalf Baechle 20135e83d430SRalf Baechleconfig CPU_MIPSR2 20145e83d430SRalf Baechle bool 2015a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20168256b17eSFlorian Fainelli select CPU_HAS_RIXI 2017ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2018a7e07b1aSMarkos Chandras select MIPS_SPRAM 20195e83d430SRalf Baechle 2020ab7c01fdSSerge Seminconfig CPU_MIPSR5 2021ab7c01fdSSerge Semin bool 2022281e3aeaSSerge Semin default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 2023ab7c01fdSSerge Semin select CPU_HAS_RIXI 2024ab7c01fdSSerge Semin select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2025ab7c01fdSSerge Semin select MIPS_SPRAM 2026ab7c01fdSSerge Semin 20277fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20287fd08ca5SLeonid Yegoshin bool 20297fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20308256b17eSFlorian Fainelli select CPU_HAS_RIXI 2031ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 203287321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20332db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20344a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2035a7e07b1aSMarkos Chandras select MIPS_SPRAM 20365e83d430SRalf Baechle 203757eeacedSPaul Burtonconfig TARGET_ISA_REV 203857eeacedSPaul Burton int 203957eeacedSPaul Burton default 1 if CPU_MIPSR1 204057eeacedSPaul Burton default 2 if CPU_MIPSR2 2041ab7c01fdSSerge Semin default 5 if CPU_MIPSR5 204257eeacedSPaul Burton default 6 if CPU_MIPSR6 204357eeacedSPaul Burton default 0 204457eeacedSPaul Burton help 204557eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 204657eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 204757eeacedSPaul Burton 2048a6e18781SLeonid Yegoshinconfig EVA 2049a6e18781SLeonid Yegoshin bool 2050a6e18781SLeonid Yegoshin 2051c5b36783SSteven J. Hillconfig XPA 2052c5b36783SSteven J. Hill bool 2053c5b36783SSteven J. Hill 20545e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20555e83d430SRalf Baechle bool 20565e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20575e83d430SRalf Baechle bool 20585e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20595e83d430SRalf Baechle bool 20605e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20615e83d430SRalf Baechle bool 206255045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 206355045ff5SWu Zhangjin bool 206455045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 206555045ff5SWu Zhangjin bool 20669cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20679cffd154SDavid Daney bool 2068171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 206982622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 207082622284SDavid Daney bool 2071c6972fb9SHuang Pei depends on 64BIT 207295b8a5e0SThomas Bogendoerfer default y if (CPU_MIPSR2 || CPU_MIPSR6) 20735e83d430SRalf Baechle 20748192c9eaSDavid Daney# 20758192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20768192c9eaSDavid Daney# 20778192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20788192c9eaSDavid Daney bool 2079679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20808192c9eaSDavid Daney 20815e83d430SRalf Baechlemenu "Kernel type" 20825e83d430SRalf Baechle 20835e83d430SRalf Baechlechoice 20845e83d430SRalf Baechle prompt "Kernel code model" 20855e83d430SRalf Baechle help 20865e83d430SRalf Baechle You should only select this option if you have a workload that 20875e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20885e83d430SRalf Baechle large memory. You will only be presented a single option in this 20895e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20905e83d430SRalf Baechle 20915e83d430SRalf Baechleconfig 32BIT 20925e83d430SRalf Baechle bool "32-bit kernel" 20935e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20945e83d430SRalf Baechle select TRAD_SIGNALS 20955e83d430SRalf Baechle help 20965e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2097f17c4ca3SRalf Baechle 20985e83d430SRalf Baechleconfig 64BIT 20995e83d430SRalf Baechle bool "64-bit kernel" 21005e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21015e83d430SRalf Baechle help 21025e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21035e83d430SRalf Baechle 21045e83d430SRalf Baechleendchoice 21055e83d430SRalf Baechle 21061e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21071e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21081e321fa9SLeonid Yegoshin depends on 64BIT 21091e321fa9SLeonid Yegoshin help 21103377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21113377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21123377e227SAlex Belits For page sizes 16k and above, this option results in a small 21133377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21143377e227SAlex Belits level of page tables is added which imposes both a memory 21153377e227SAlex Belits overhead as well as slower TLB fault handling. 21163377e227SAlex Belits 21171e321fa9SLeonid Yegoshin If unsure, say N. 21181e321fa9SLeonid Yegoshin 21191da177e4SLinus Torvaldschoice 21201da177e4SLinus Torvalds prompt "Kernel page size" 21211da177e4SLinus Torvalds default PAGE_SIZE_4KB 21221da177e4SLinus Torvalds 21231da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21241da177e4SLinus Torvalds bool "4kB" 2125268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 21261da177e4SLinus Torvalds help 21271da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21281da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21291da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21301da177e4SLinus Torvalds recommended for low memory systems. 21311da177e4SLinus Torvalds 21321da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21331da177e4SLinus Torvalds bool "8kB" 2134c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 21351e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21361da177e4SLinus Torvalds help 21371da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21381da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2139c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2140c2aeaaeaSPaul Burton distribution to support this. 21411da177e4SLinus Torvalds 21421da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21431da177e4SLinus Torvalds bool "16kB" 2144714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21451da177e4SLinus Torvalds help 21461da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21471da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2148714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2149714bfad6SRalf Baechle Linux distribution to support this. 21501da177e4SLinus Torvalds 2151c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2152c52399beSRalf Baechle bool "32kB" 2153c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21541e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2155c52399beSRalf Baechle help 2156c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2157c52399beSRalf Baechle the price of higher memory consumption. This option is available 2158c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2159c52399beSRalf Baechle distribution to support this. 2160c52399beSRalf Baechle 21611da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21621da177e4SLinus Torvalds bool "64kB" 21633b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21641da177e4SLinus Torvalds help 21651da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21661da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21671da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2168714bfad6SRalf Baechle writing this option is still high experimental. 21691da177e4SLinus Torvalds 21701da177e4SLinus Torvaldsendchoice 21711da177e4SLinus Torvalds 2172c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2173c9bace7cSDavid Daney int "Maximum zone order" 2174e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2175e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2176e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2177e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2178e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2179e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2180ef923a76SPaul Cercueil range 0 64 2181c9bace7cSDavid Daney default "11" 2182c9bace7cSDavid Daney help 2183c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2184c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2185c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2186c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2187c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2188c9bace7cSDavid Daney increase this value. 2189c9bace7cSDavid Daney 2190c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2191c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2192c9bace7cSDavid Daney 2193c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2194c9bace7cSDavid Daney when choosing a value for this option. 2195c9bace7cSDavid Daney 21961da177e4SLinus Torvaldsconfig BOARD_SCACHE 21971da177e4SLinus Torvalds bool 21981da177e4SLinus Torvalds 21991da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22001da177e4SLinus Torvalds bool 22011da177e4SLinus Torvalds select BOARD_SCACHE 22021da177e4SLinus Torvalds 22039318c51aSChris Dearman# 22049318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22059318c51aSChris Dearman# 22069318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22079318c51aSChris Dearman bool 22089318c51aSChris Dearman select BOARD_SCACHE 22099318c51aSChris Dearman 22101da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22111da177e4SLinus Torvalds bool 22121da177e4SLinus Torvalds select BOARD_SCACHE 22131da177e4SLinus Torvalds 22141da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22151da177e4SLinus Torvalds bool 22161da177e4SLinus Torvalds select BOARD_SCACHE 22171da177e4SLinus Torvalds 22181da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22191da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22201da177e4SLinus Torvalds depends on CPU_SB1 22211da177e4SLinus Torvalds help 22221da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22231da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22241da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22251da177e4SLinus Torvalds 22261da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2227c8094b53SRalf Baechle bool 22281da177e4SLinus Torvalds 22293165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22303165c846SFlorian Fainelli bool 2231c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 22323165c846SFlorian Fainelli 2233c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2234183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2235183b40f9SPaul Burton default y 2236183b40f9SPaul Burton help 2237183b40f9SPaul Burton Select y to include support for floating point in the kernel 2238183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2239183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2240183b40f9SPaul Burton userland program attempting to use floating point instructions will 2241183b40f9SPaul Burton receive a SIGILL. 2242183b40f9SPaul Burton 2243183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2244183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2245183b40f9SPaul Burton 2246183b40f9SPaul Burton If unsure, say y. 2247c92e47e5SPaul Burton 224897f7dcbfSPaul Burtonconfig CPU_R2300_FPU 224997f7dcbfSPaul Burton bool 2250c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 225197f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 225297f7dcbfSPaul Burton 225354746829SPaul Burtonconfig CPU_R3K_TLB 225454746829SPaul Burton bool 225554746829SPaul Burton 225691405eb6SFlorian Fainelliconfig CPU_R4K_FPU 225791405eb6SFlorian Fainelli bool 2258c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 225997f7dcbfSPaul Burton default y if !CPU_R2300_FPU 226091405eb6SFlorian Fainelli 226162cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 226262cedc4fSFlorian Fainelli bool 226354746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 226462cedc4fSFlorian Fainelli 226559d6ab86SRalf Baechleconfig MIPS_MT_SMP 2266a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22675cbf9688SPaul Burton default y 2268527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 226959d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2270d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2271c080faa5SSteven J. Hill select SYNC_R4K 227259d6ab86SRalf Baechle select MIPS_MT 227359d6ab86SRalf Baechle select SMP 227487353d8aSRalf Baechle select SMP_UP 2275c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2276c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2277399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 227859d6ab86SRalf Baechle help 2279c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2280c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2281c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2282c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2283c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 228459d6ab86SRalf Baechle 2285f41ae0b2SRalf Baechleconfig MIPS_MT 2286f41ae0b2SRalf Baechle bool 2287f41ae0b2SRalf Baechle 22880ab7aefcSRalf Baechleconfig SCHED_SMT 22890ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22900ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22910ab7aefcSRalf Baechle default n 22920ab7aefcSRalf Baechle help 22930ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 22940ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 22950ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 22960ab7aefcSRalf Baechle 22970ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22980ab7aefcSRalf Baechle bool 22990ab7aefcSRalf Baechle 2300f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2301f41ae0b2SRalf Baechle bool 2302f41ae0b2SRalf Baechle 2303f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2304f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2305f088fc84SRalf Baechle default y 2306b633648cSRalf Baechle depends on MIPS_MT_SMP 230707cc0c9eSRalf Baechle 2308b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2309b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23109eaa9a82SPaul Burton depends on CPU_MIPSR6 2311c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2312b0a668fbSLeonid Yegoshin default y 2313b0a668fbSLeonid Yegoshin help 2314b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2315b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 231607edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2317b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2318b0a668fbSLeonid Yegoshin final kernel image. 2319b0a668fbSLeonid Yegoshin 2320f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2321f35764e7SJames Hogan bool 2322f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2323f35764e7SJames Hogan help 2324f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2325f35764e7SJames Hogan physical_memsize. 2326f35764e7SJames Hogan 232707cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 232807cc0c9eSRalf Baechle bool "VPE loader support." 2329f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 233007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 233107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 233207cc0c9eSRalf Baechle select MIPS_MT 233307cc0c9eSRalf Baechle help 233407cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 233507cc0c9eSRalf Baechle onto another VPE and running it. 2336f088fc84SRalf Baechle 233717a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 233817a1d523SDeng-Cheng Zhu bool 233917a1d523SDeng-Cheng Zhu default "y" 234017a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 234117a1d523SDeng-Cheng Zhu 23421a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23431a2a6d7eSDeng-Cheng Zhu bool 23441a2a6d7eSDeng-Cheng Zhu default "y" 23451a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23461a2a6d7eSDeng-Cheng Zhu 2347e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2348e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2349e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2350e01402b1SRalf Baechle default y 2351e01402b1SRalf Baechle help 2352e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2353e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2354e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2355e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2356e01402b1SRalf Baechle 2357e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2358e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2359e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2360e01402b1SRalf Baechle 2361da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2362da615cf6SDeng-Cheng Zhu bool 2363da615cf6SDeng-Cheng Zhu default "y" 2364da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2365da615cf6SDeng-Cheng Zhu 23662c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23672c973ef0SDeng-Cheng Zhu bool 23682c973ef0SDeng-Cheng Zhu default "y" 23692c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23702c973ef0SDeng-Cheng Zhu 23714a16ff4cSRalf Baechleconfig MIPS_CMP 23725cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23735676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2374b10b43baSMarkos Chandras select SMP 2375eb9b5141STim Anderson select SYNC_R4K 2376b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 23774a16ff4cSRalf Baechle select WEAK_ORDERING 23784a16ff4cSRalf Baechle default n 23794a16ff4cSRalf Baechle help 2380044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2381044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2382044505c7SPaul Burton its ability to start secondary CPUs. 23834a16ff4cSRalf Baechle 23845cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 23855cac93b3SPaul Burton instead of this. 23865cac93b3SPaul Burton 23870ee958e1SPaul Burtonconfig MIPS_CPS 23880ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 23895a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 23900ee958e1SPaul Burton select MIPS_CM 23911d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 23920ee958e1SPaul Burton select SMP 23930ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 23941d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2395c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 23960ee958e1SPaul Burton select SYS_SUPPORTS_SMP 23970ee958e1SPaul Burton select WEAK_ORDERING 2398d8d3276bSWei Li select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 23990ee958e1SPaul Burton help 24000ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24010ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24020ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24030ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24040ee958e1SPaul Burton support is unavailable. 24050ee958e1SPaul Burton 24063179d37eSPaul Burtonconfig MIPS_CPS_PM 240739a59593SMarkos Chandras depends on MIPS_CPS 24083179d37eSPaul Burton bool 24093179d37eSPaul Burton 24109f98f3ddSPaul Burtonconfig MIPS_CM 24119f98f3ddSPaul Burton bool 24123c9b4166SPaul Burton select MIPS_CPC 24139f98f3ddSPaul Burton 24149c38cf44SPaul Burtonconfig MIPS_CPC 24159c38cf44SPaul Burton bool 24162600990eSRalf Baechle 24171da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24181da177e4SLinus Torvalds bool 24191da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24201da177e4SLinus Torvalds default y 24211da177e4SLinus Torvalds 24221da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24231da177e4SLinus Torvalds bool 24241da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24251da177e4SLinus Torvalds default y 24261da177e4SLinus Torvalds 24279e2b5372SMarkos Chandraschoice 24289e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24299e2b5372SMarkos Chandras 24309e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24319e2b5372SMarkos Chandras bool "None" 24329e2b5372SMarkos Chandras help 24339e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24349e2b5372SMarkos Chandras 24359693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24369693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24379e2b5372SMarkos Chandras bool "SmartMIPS" 24389693a853SFranck Bui-Huu help 24399693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24409693a853SFranck Bui-Huu increased security at both hardware and software level for 24419693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24429693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24439693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24449693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24459693a853SFranck Bui-Huu here. 24469693a853SFranck Bui-Huu 2447bce86083SSteven J. Hillconfig CPU_MICROMIPS 24487fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24499e2b5372SMarkos Chandras bool "microMIPS" 2450bce86083SSteven J. Hill help 2451bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2452bce86083SSteven J. Hill microMIPS ISA 2453bce86083SSteven J. Hill 24549e2b5372SMarkos Chandrasendchoice 24559e2b5372SMarkos Chandras 2456a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24570ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2458a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2459c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 24602a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2461a5e9a69eSPaul Burton help 2462a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2463a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24641db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24651db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24661db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24671db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24681db1af84SPaul Burton the size & complexity of your kernel. 2469a5e9a69eSPaul Burton 2470a5e9a69eSPaul Burton If unsure, say Y. 2471a5e9a69eSPaul Burton 24721da177e4SLinus Torvaldsconfig CPU_HAS_WB 2473f7062ddbSRalf Baechle bool 2474e01402b1SRalf Baechle 2475df0ac8a4SKevin Cernekeeconfig XKS01 2476df0ac8a4SKevin Cernekee bool 2477df0ac8a4SKevin Cernekee 2478ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI 2479ba9196d2SJiaxun Yang depends on !CPU_DIEI_BROKEN 2480ba9196d2SJiaxun Yang bool 2481ba9196d2SJiaxun Yang 2482ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN 2483ba9196d2SJiaxun Yang bool 2484ba9196d2SJiaxun Yang 24858256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 24868256b17eSFlorian Fainelli bool 24878256b17eSFlorian Fainelli 248818d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR 2489932afdeeSYasha Cherikovsky bool 2490932afdeeSYasha Cherikovsky help 249118d84e2eSAlexander Lobakin CPU lacks support for unaligned load and store instructions: 2492932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 249318d84e2eSAlexander Lobakin LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 249418d84e2eSAlexander Lobakin systems). 2495932afdeeSYasha Cherikovsky 2496f41ae0b2SRalf Baechle# 2497f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2498f41ae0b2SRalf Baechle# 2499e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2500f41ae0b2SRalf Baechle bool 2501e01402b1SRalf Baechle 2502f41ae0b2SRalf Baechle# 2503f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2504f41ae0b2SRalf Baechle# 2505e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2506f41ae0b2SRalf Baechle bool 2507e01402b1SRalf Baechle 25081da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25091da177e4SLinus Torvalds bool 25101da177e4SLinus Torvalds depends on !CPU_R3000 25111da177e4SLinus Torvalds default y 25121da177e4SLinus Torvalds 25131da177e4SLinus Torvalds# 251420d60d99SMaciej W. Rozycki# CPU non-features 251520d60d99SMaciej W. Rozycki# 251620d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 251720d60d99SMaciej W. Rozycki bool 251820d60d99SMaciej W. Rozycki 251920d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 252020d60d99SMaciej W. Rozycki bool 252120d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 252220d60d99SMaciej W. Rozycki 252320d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 252420d60d99SMaciej W. Rozycki bool 252520d60d99SMaciej W. Rozycki 2526071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2527071d2f0bSPaul Burton bool 2528071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2529071d2f0bSPaul Burton 25304edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25314edf00a4SPaul Burton int 25324edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25334edf00a4SPaul Burton default 0 25344edf00a4SPaul Burton 25354edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25364edf00a4SPaul Burton int 25372db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25384edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25394edf00a4SPaul Burton default 8 25404edf00a4SPaul Burton 25412db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25422db003a5SPaul Burton bool 25432db003a5SPaul Burton 25444a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25454a5dc51eSMarcin Nowakowski bool 25464a5dc51eSMarcin Nowakowski 2547802b8362SThomas Bogendoerfer# R4600 erratum. Due to the lack of errata information the exact 2548802b8362SThomas Bogendoerfer# technical details aren't known. I've experimentally found that disabling 2549802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal 2550802b8362SThomas Bogendoerfer# with the issue. 2551802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP 2552802b8362SThomas Bogendoerfer bool 2553802b8362SThomas Bogendoerfer 25545e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata: 25555e5b6527SThomas Bogendoerfer# 25565e5b6527SThomas Bogendoerfer# 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D, 25575e5b6527SThomas Bogendoerfer# Hit_Invalidate_D and Create_Dirty_Excl_D should only be 25585e5b6527SThomas Bogendoerfer# executed if there is no other dcache activity. If the dcache is 255918ff14c8SColin Ian King# accessed for another instruction immediately preceding when these 25605e5b6527SThomas Bogendoerfer# cache instructions are executing, it is possible that the dcache 25615e5b6527SThomas Bogendoerfer# tag match outputs used by these cache instructions will be 25625e5b6527SThomas Bogendoerfer# incorrect. These cache instructions should be preceded by at least 25635e5b6527SThomas Bogendoerfer# four instructions that are not any kind of load or store 25645e5b6527SThomas Bogendoerfer# instruction. 25655e5b6527SThomas Bogendoerfer# 25665e5b6527SThomas Bogendoerfer# This is not allowed: lw 25675e5b6527SThomas Bogendoerfer# nop 25685e5b6527SThomas Bogendoerfer# nop 25695e5b6527SThomas Bogendoerfer# nop 25705e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 25715e5b6527SThomas Bogendoerfer# 25725e5b6527SThomas Bogendoerfer# This is allowed: lw 25735e5b6527SThomas Bogendoerfer# nop 25745e5b6527SThomas Bogendoerfer# nop 25755e5b6527SThomas Bogendoerfer# nop 25765e5b6527SThomas Bogendoerfer# nop 25775e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 25785e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP 25795e5b6527SThomas Bogendoerfer bool 25805e5b6527SThomas Bogendoerfer 258144def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA. 258244def342SThomas Bogendoerfer# 258344def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D, 258444def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only 258544def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty. These 258644def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss 258744def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer." 258844def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/ 258944def342SThomas Bogendoerfer# in .pdf format.) 259044def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP 259144def342SThomas Bogendoerfer bool 259244def342SThomas Bogendoerfer 259324a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for 259424a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following 259524a1c023SThomas Bogendoerfer# operation is not guaranteed." 259624a1c023SThomas Bogendoerfer# 259724a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I 259824a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV 259924a1c023SThomas Bogendoerfer bool 260024a1c023SThomas Bogendoerfer 2601886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra 2602886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same 2603886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious 2604886ee136SThomas Bogendoerfer# exceptions. 2605886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS 2606886ee136SThomas Bogendoerfer bool 2607886ee136SThomas Bogendoerfer 2608256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that 2609256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically. 2610256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC 2611256ec489SThomas Bogendoerfer bool 2612256ec489SThomas Bogendoerfer 2613a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction" 2614a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB 2615a7fbed98SThomas Bogendoerfer bool 2616a7fbed98SThomas Bogendoerfer 261720d60d99SMaciej W. Rozycki# 26181da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26191da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26201da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26211da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26221da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26231da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26241da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26251da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2626797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2627797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2628797798c1SRalf Baechle# support. 26291da177e4SLinus Torvalds# 26301da177e4SLinus Torvaldsconfig HIGHMEM 26311da177e4SLinus Torvalds bool "High Memory Support" 2632a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2633a4c33e83SThomas Gleixner select KMAP_LOCAL 2634797798c1SRalf Baechle 2635797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2636797798c1SRalf Baechle bool 2637797798c1SRalf Baechle 2638797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2639797798c1SRalf Baechle bool 26401da177e4SLinus Torvalds 26419693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26429693a853SFranck Bui-Huu bool 26439693a853SFranck Bui-Huu 2644a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2645a6a4834cSSteven J. Hill bool 2646a6a4834cSSteven J. Hill 2647377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2648377cb1b6SRalf Baechle bool 2649377cb1b6SRalf Baechle help 2650377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2651377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2652377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2653377cb1b6SRalf Baechle 2654a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2655a5e9a69eSPaul Burton bool 2656a5e9a69eSPaul Burton 2657b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2658b4819b59SYoichi Yuasa def_bool y 2659268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2660b4819b59SYoichi Yuasa 2661b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2662b1c6cd42SAtsushi Nemoto bool 2663397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 266431473747SAtsushi Nemoto 2665d8cb4e11SRalf Baechleconfig NUMA 2666d8cb4e11SRalf Baechle bool "NUMA Support" 2667d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2668cf8194e4STiezhu Yang select SMP 2669*7ecd19cfSKefeng Wang select HAVE_SETUP_PER_CPU_AREA 2670*7ecd19cfSKefeng Wang select NEED_PER_CPU_EMBED_FIRST_CHUNK 2671d8cb4e11SRalf Baechle help 2672d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2673d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2674d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2675172a37e9SRandy Dunlap leave it disabled; on single node systems leave this option 2676d8cb4e11SRalf Baechle disabled. 2677d8cb4e11SRalf Baechle 2678d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2679d8cb4e11SRalf Baechle bool 2680d8cb4e11SRalf Baechle 26818c530ea3SMatt Redfearnconfig RELOCATABLE 26828c530ea3SMatt Redfearn bool "Relocatable kernel" 2683ab7c01fdSSerge Semin depends on SYS_SUPPORTS_RELOCATABLE 2684ab7c01fdSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2685ab7c01fdSSerge Semin CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2686ab7c01fdSSerge Semin CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2687a307a4ceSJinyang He CPU_P5600 || CAVIUM_OCTEON_SOC || \ 2688a307a4ceSJinyang He CPU_LOONGSON64 26898c530ea3SMatt Redfearn help 26908c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26918c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26928c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26938c530ea3SMatt Redfearn but are discarded at runtime 26948c530ea3SMatt Redfearn 2695069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2696069fd766SMatt Redfearn hex "Relocation table size" 2697069fd766SMatt Redfearn depends on RELOCATABLE 2698069fd766SMatt Redfearn range 0x0 0x01000000 2699a307a4ceSJinyang He default "0x00200000" if CPU_LOONGSON64 2700069fd766SMatt Redfearn default "0x00100000" 2701a7f7f624SMasahiro Yamada help 2702069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2703069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2704069fd766SMatt Redfearn 2705069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2706069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2707069fd766SMatt Redfearn 2708069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2709069fd766SMatt Redfearn 2710069fd766SMatt Redfearn If unsure, leave at the default value. 2711069fd766SMatt Redfearn 2712405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2713405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2714405bc8fdSMatt Redfearn depends on RELOCATABLE 2715a7f7f624SMasahiro Yamada help 2716405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2717405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2718405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2719405bc8fdSMatt Redfearn of kernel internals. 2720405bc8fdSMatt Redfearn 2721405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2722405bc8fdSMatt Redfearn 2723405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2724405bc8fdSMatt Redfearn 2725405bc8fdSMatt Redfearn If unsure, say N. 2726405bc8fdSMatt Redfearn 2727405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2728405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2729405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2730405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2731405bc8fdSMatt Redfearn range 0x0 0x08000000 2732405bc8fdSMatt Redfearn default "0x01000000" 2733a7f7f624SMasahiro Yamada help 2734405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2735405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2736405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2737405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2738405bc8fdSMatt Redfearn 2739405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2740405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2741405bc8fdSMatt Redfearn 2742c80d79d7SYasunori Gotoconfig NODES_SHIFT 2743c80d79d7SYasunori Goto int 2744c80d79d7SYasunori Goto default "6" 2745a9ee6cf5SMike Rapoport depends on NUMA 2746c80d79d7SYasunori Goto 274714f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 274814f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 274995b8a5e0SThomas Bogendoerfer depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64) 275014f70012SDeng-Cheng Zhu default y 275114f70012SDeng-Cheng Zhu help 275214f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 275314f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 275414f70012SDeng-Cheng Zhu 2755be8fa1cbSTiezhu Yangconfig DMI 2756be8fa1cbSTiezhu Yang bool "Enable DMI scanning" 2757be8fa1cbSTiezhu Yang depends on MACH_LOONGSON64 2758be8fa1cbSTiezhu Yang select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2759be8fa1cbSTiezhu Yang default y 2760be8fa1cbSTiezhu Yang help 2761be8fa1cbSTiezhu Yang Enabled scanning of DMI to identify machine quirks. Say Y 2762be8fa1cbSTiezhu Yang here unless you have verified that your setup is not 2763be8fa1cbSTiezhu Yang affected by entries in the DMI blacklist. Required by PNP 2764be8fa1cbSTiezhu Yang BIOS code. 2765be8fa1cbSTiezhu Yang 27661da177e4SLinus Torvaldsconfig SMP 27671da177e4SLinus Torvalds bool "Multi-Processing support" 2768e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2769e73ea273SRalf Baechle help 27701da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27714a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27724a474157SRobert Graffham than one CPU, say Y. 27731da177e4SLinus Torvalds 27744a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27751da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27761da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27774a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27781da177e4SLinus Torvalds will run faster if you say N here. 27791da177e4SLinus Torvalds 27801da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27811da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27821da177e4SLinus Torvalds 278303502faaSAdrian Bunk See also the SMP-HOWTO available at 2784ef054ad3SAlexander A. Klimov <https://www.tldp.org/docs.html#howto>. 27851da177e4SLinus Torvalds 27861da177e4SLinus Torvalds If you don't know what to do here, say N. 27871da177e4SLinus Torvalds 27887840d618SMatt Redfearnconfig HOTPLUG_CPU 27897840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27907840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27917840d618SMatt Redfearn help 27927840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27937840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27947840d618SMatt Redfearn (Note: power management support will enable this option 27957840d618SMatt Redfearn automatically on SMP systems. ) 27967840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27977840d618SMatt Redfearn 279887353d8aSRalf Baechleconfig SMP_UP 279987353d8aSRalf Baechle bool 280087353d8aSRalf Baechle 28014a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 28024a16ff4cSRalf Baechle bool 28034a16ff4cSRalf Baechle 28040ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 28050ee958e1SPaul Burton bool 28060ee958e1SPaul Burton 2807e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2808e73ea273SRalf Baechle bool 2809e73ea273SRalf Baechle 2810130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2811130e2fb7SRalf Baechle bool 2812130e2fb7SRalf Baechle 2813130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2814130e2fb7SRalf Baechle bool 2815130e2fb7SRalf Baechle 2816130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2817130e2fb7SRalf Baechle bool 2818130e2fb7SRalf Baechle 2819130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2820130e2fb7SRalf Baechle bool 2821130e2fb7SRalf Baechle 2822130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2823130e2fb7SRalf Baechle bool 2824130e2fb7SRalf Baechle 28251da177e4SLinus Torvaldsconfig NR_CPUS 2826a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2827a91796a9SJayachandran C range 2 256 28281da177e4SLinus Torvalds depends on SMP 2829130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2830130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2831130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2832130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2833130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28341da177e4SLinus Torvalds help 28351da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28361da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28371da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 283872ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 283972ede9b1SAtsushi Nemoto and 2 for all others. 28401da177e4SLinus Torvalds 28411da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 284272ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 284372ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 284472ede9b1SAtsushi Nemoto power of two. 28451da177e4SLinus Torvalds 2846399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2847399aaa25SAl Cooper bool 2848399aaa25SAl Cooper 28497820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28507820b84bSDavid Daney bool 28517820b84bSDavid Daney 28527820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28537820b84bSDavid Daney int 28547820b84bSDavid Daney depends on SMP 28557820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28567820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28577820b84bSDavid Daney 28581723b4a3SAtsushi Nemoto# 28591723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28601723b4a3SAtsushi Nemoto# 28611723b4a3SAtsushi Nemoto 28621723b4a3SAtsushi Nemotochoice 28631723b4a3SAtsushi Nemoto prompt "Timer frequency" 28641723b4a3SAtsushi Nemoto default HZ_250 28651723b4a3SAtsushi Nemoto help 28661723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28671723b4a3SAtsushi Nemoto 286867596573SPaul Burton config HZ_24 286967596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 287067596573SPaul Burton 28711723b4a3SAtsushi Nemoto config HZ_48 28720f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28731723b4a3SAtsushi Nemoto 28741723b4a3SAtsushi Nemoto config HZ_100 28751723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28761723b4a3SAtsushi Nemoto 28771723b4a3SAtsushi Nemoto config HZ_128 28781723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28791723b4a3SAtsushi Nemoto 28801723b4a3SAtsushi Nemoto config HZ_250 28811723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28821723b4a3SAtsushi Nemoto 28831723b4a3SAtsushi Nemoto config HZ_256 28841723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28851723b4a3SAtsushi Nemoto 28861723b4a3SAtsushi Nemoto config HZ_1000 28871723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28881723b4a3SAtsushi Nemoto 28891723b4a3SAtsushi Nemoto config HZ_1024 28901723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28911723b4a3SAtsushi Nemoto 28921723b4a3SAtsushi Nemotoendchoice 28931723b4a3SAtsushi Nemoto 289467596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 289567596573SPaul Burton bool 289667596573SPaul Burton 28971723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28981723b4a3SAtsushi Nemoto bool 28991723b4a3SAtsushi Nemoto 29001723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 29011723b4a3SAtsushi Nemoto bool 29021723b4a3SAtsushi Nemoto 29031723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 29041723b4a3SAtsushi Nemoto bool 29051723b4a3SAtsushi Nemoto 29061723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29071723b4a3SAtsushi Nemoto bool 29081723b4a3SAtsushi Nemoto 29091723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29101723b4a3SAtsushi Nemoto bool 29111723b4a3SAtsushi Nemoto 29121723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29131723b4a3SAtsushi Nemoto bool 29141723b4a3SAtsushi Nemoto 29151723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29161723b4a3SAtsushi Nemoto bool 29171723b4a3SAtsushi Nemoto 29181723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29191723b4a3SAtsushi Nemoto bool 292067596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 292167596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 292267596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 292367596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 292467596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 292567596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 292667596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29271723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29281723b4a3SAtsushi Nemoto 29291723b4a3SAtsushi Nemotoconfig HZ 29301723b4a3SAtsushi Nemoto int 293167596573SPaul Burton default 24 if HZ_24 29321723b4a3SAtsushi Nemoto default 48 if HZ_48 29331723b4a3SAtsushi Nemoto default 100 if HZ_100 29341723b4a3SAtsushi Nemoto default 128 if HZ_128 29351723b4a3SAtsushi Nemoto default 250 if HZ_250 29361723b4a3SAtsushi Nemoto default 256 if HZ_256 29371723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29381723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29391723b4a3SAtsushi Nemoto 294096685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 294196685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 294296685b17SDeng-Cheng Zhu 2943ea6e942bSAtsushi Nemotoconfig KEXEC 29447d60717eSKees Cook bool "Kexec system call" 29452965faa5SDave Young select KEXEC_CORE 2946ea6e942bSAtsushi Nemoto help 2947ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2948ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29493dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2950ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2951ea6e942bSAtsushi Nemoto 295201dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2953ea6e942bSAtsushi Nemoto 2954ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2955ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2956bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2957bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2958bf220695SGeert Uytterhoeven made. 2959ea6e942bSAtsushi Nemoto 29607aa1c8f4SRalf Baechleconfig CRASH_DUMP 29617aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29627aa1c8f4SRalf Baechle help 29637aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29647aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29657aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29667aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29677aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29687aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29697aa1c8f4SRalf Baechle PHYSICAL_START. 29707aa1c8f4SRalf Baechle 29717aa1c8f4SRalf Baechleconfig PHYSICAL_START 29727aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29738bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29747aa1c8f4SRalf Baechle depends on CRASH_DUMP 29757aa1c8f4SRalf Baechle help 29767aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29777aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29787aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29797aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29807aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29817aa1c8f4SRalf Baechle 2982597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2983b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2984597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2985597ce172SPaul Burton help 2986597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2987597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2988597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2989597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2990597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2991597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2992597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2993597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2994597ce172SPaul Burton saying N here. 2995597ce172SPaul Burton 299606e2e882SPaul Burton Although binutils currently supports use of this flag the details 299706e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 299818ff14c8SColin Ian King worked on. In order to avoid userland becoming dependent upon current 299906e2e882SPaul Burton behaviour before the details have been finalised, this option should 300006e2e882SPaul Burton be considered experimental and only enabled by those working upon 300106e2e882SPaul Burton said details. 300206e2e882SPaul Burton 300306e2e882SPaul Burton If unsure, say N. 3004597ce172SPaul Burton 3005f2ffa5abSDezhong Diaoconfig USE_OF 30060b3e06fdSJonas Gorski bool 3007f2ffa5abSDezhong Diao select OF 3008e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3009abd2363fSGrant Likely select IRQ_DOMAIN 3010f2ffa5abSDezhong Diao 30112fe8ea39SDengcheng Zhuconfig UHI_BOOT 30122fe8ea39SDengcheng Zhu bool 30132fe8ea39SDengcheng Zhu 30147fafb068SAndrew Brestickerconfig BUILTIN_DTB 30157fafb068SAndrew Bresticker bool 30167fafb068SAndrew Bresticker 30171da8f179SJonas Gorskichoice 30185b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30191da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30201da8f179SJonas Gorski 30211da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30221da8f179SJonas Gorski bool "None" 30231da8f179SJonas Gorski help 30241da8f179SJonas Gorski Do not enable appended dtb support. 30251da8f179SJonas Gorski 302687db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 302787db537dSAaro Koskinen bool "vmlinux" 302887db537dSAaro Koskinen help 302987db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 303087db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 303187db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 303287db537dSAaro Koskinen objcopy: 303387db537dSAaro Koskinen 303487db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 303587db537dSAaro Koskinen 303618ff14c8SColin Ian King This is meant as a backward compatibility convenience for those 303787db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 303887db537dSAaro Koskinen the documented boot protocol using a device tree. 303987db537dSAaro Koskinen 30401da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3041b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30421da8f179SJonas Gorski help 30431da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3044b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30451da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30461da8f179SJonas Gorski 30471da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30481da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30491da8f179SJonas Gorski the documented boot protocol using a device tree. 30501da8f179SJonas Gorski 30511da8f179SJonas Gorski Beware that there is very little in terms of protection against 30521da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30531da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30541da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30551da8f179SJonas Gorski if you don't intend to always append a DTB. 30561da8f179SJonas Gorskiendchoice 30571da8f179SJonas Gorski 30582024972eSJonas Gorskichoice 30592024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30602bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 306187fcfa7bSJiaxun Yang !MACH_LOONGSON64 && !MIPS_MALTA && \ 30622bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30632024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30642024972eSJonas Gorski 30652024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30662024972eSJonas Gorski depends on USE_OF 30672024972eSJonas Gorski bool "Dtb kernel arguments if available" 30682024972eSJonas Gorski 30692024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30702024972eSJonas Gorski depends on USE_OF 30712024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30722024972eSJonas Gorski 30732024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30742024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3075ed47e153SRabin Vincent 3076ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3077ed47e153SRabin Vincent depends on CMDLINE_BOOL 3078ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30792024972eSJonas Gorskiendchoice 30802024972eSJonas Gorski 30815e83d430SRalf Baechleendmenu 30825e83d430SRalf Baechle 30831df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30841df0f0ffSAtsushi Nemoto bool 30851df0f0ffSAtsushi Nemoto default y 30861df0f0ffSAtsushi Nemoto 30871df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30881df0f0ffSAtsushi Nemoto bool 30891df0f0ffSAtsushi Nemoto default y 30901df0f0ffSAtsushi Nemoto 3091a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3092a728ab52SKirill A. Shutemov int 30933377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 309441ce097fSHuang Pei default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48) 3095a728ab52SKirill A. Shutemov default 2 3096a728ab52SKirill A. Shutemov 30976c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30986c359eb1SPaul Burton bool 30996c359eb1SPaul Burton 31001da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31011da177e4SLinus Torvalds 3102c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31032eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3104c5611df9SPaul Burton bool 3105c5611df9SPaul Burton 3106c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3107c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3108c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31092eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31101da177e4SLinus Torvalds 31111da177e4SLinus Torvalds# 31121da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31131da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31141da177e4SLinus Torvalds# users to choose the right thing ... 31151da177e4SLinus Torvalds# 31161da177e4SLinus Torvaldsconfig ISA 31171da177e4SLinus Torvalds bool 31181da177e4SLinus Torvalds 31191da177e4SLinus Torvaldsconfig TC 31201da177e4SLinus Torvalds bool "TURBOchannel support" 31211da177e4SLinus Torvalds depends on MACH_DECSTATION 31221da177e4SLinus Torvalds help 312350a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 312450a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 312550a23e6eSJustin P. Mattock at: 312650a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 312750a23e6eSJustin P. Mattock and: 312850a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 312950a23e6eSJustin P. Mattock Linux driver support status is documented at: 313050a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31311da177e4SLinus Torvalds 31321da177e4SLinus Torvaldsconfig MMU 31331da177e4SLinus Torvalds bool 31341da177e4SLinus Torvalds default y 31351da177e4SLinus Torvalds 3136109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3137109c32ffSMatt Redfearn default 12 if 64BIT 3138109c32ffSMatt Redfearn default 8 3139109c32ffSMatt Redfearn 3140109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3141109c32ffSMatt Redfearn default 18 if 64BIT 3142109c32ffSMatt Redfearn default 15 3143109c32ffSMatt Redfearn 3144109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3145109c32ffSMatt Redfearn default 8 3146109c32ffSMatt Redfearn 3147109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3148109c32ffSMatt Redfearn default 15 3149109c32ffSMatt Redfearn 3150d865bea4SRalf Baechleconfig I8253 3151d865bea4SRalf Baechle bool 3152798778b8SRussell King select CLKSRC_I8253 31532d02612fSThomas Gleixner select CLKEVT_I8253 31549726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 31551da177e4SLinus Torvaldsendmenu 31561da177e4SLinus Torvalds 31571da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31581da177e4SLinus Torvalds bool 31591da177e4SLinus Torvalds 31601da177e4SLinus Torvaldsconfig MIPS32_COMPAT 316178aaf956SRalf Baechle bool 31621da177e4SLinus Torvalds 31631da177e4SLinus Torvaldsconfig COMPAT 31641da177e4SLinus Torvalds bool 31651da177e4SLinus Torvalds 316605e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 316705e43966SAtsushi Nemoto bool 316805e43966SAtsushi Nemoto 31691da177e4SLinus Torvaldsconfig MIPS32_O32 31701da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 317178aaf956SRalf Baechle depends on 64BIT 317278aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 317378aaf956SRalf Baechle select COMPAT 317478aaf956SRalf Baechle select MIPS32_COMPAT 317578aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31761da177e4SLinus Torvalds help 31771da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31781da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31791da177e4SLinus Torvalds existing binaries are in this format. 31801da177e4SLinus Torvalds 31811da177e4SLinus Torvalds If unsure, say Y. 31821da177e4SLinus Torvalds 31831da177e4SLinus Torvaldsconfig MIPS32_N32 31841da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3185c22eacfeSRalf Baechle depends on 64BIT 31865a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 318778aaf956SRalf Baechle select COMPAT 318878aaf956SRalf Baechle select MIPS32_COMPAT 318978aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31901da177e4SLinus Torvalds help 31911da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31921da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31931da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31941da177e4SLinus Torvalds cases. 31951da177e4SLinus Torvalds 31961da177e4SLinus Torvalds If unsure, say N. 31971da177e4SLinus Torvalds 31982116245eSRalf Baechlemenu "Power management options" 3199952fa954SRodolfo Giometti 3200363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3201363c55caSWu Zhangjin def_bool y 32023f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3203363c55caSWu Zhangjin 3204f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3205f4cb5700SJohannes Berg def_bool y 32063f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3207f4cb5700SJohannes Berg 32082116245eSRalf Baechlesource "kernel/power/Kconfig" 3209952fa954SRodolfo Giometti 32101da177e4SLinus Torvaldsendmenu 32111da177e4SLinus Torvalds 32127a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32137a998935SViresh Kumar bool 32147a998935SViresh Kumar 32157a998935SViresh Kumarmenu "CPU Power Management" 3216c095ebafSPaul Burton 3217c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32187a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32197a998935SViresh Kumarendif 32209726b43aSWu Zhangjin 3221c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3222c095ebafSPaul Burton 3223c095ebafSPaul Burtonendmenu 3224c095ebafSPaul Burton 32252235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3226e91946d6SNathan Chancellor 3227e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig" 3228