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 BOOT_RAW 6444042147aSBert Vermeulen select PINCTRL 6454042147aSBert Vermeulen select USE_OF 6464042147aSBert Vermeulen 6471da177e4SLinus Torvaldsconfig SGI_IP22 6483fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 649c0de00b2SThomas Bogendoerfer select ARC_MEMORY 65039b2d756SThomas Bogendoerfer select ARC_PROMLIB 6510e2794b0SRalf Baechle select FW_ARC 6520e2794b0SRalf Baechle select FW_ARC32 6537a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6541da177e4SLinus Torvalds select BOOT_ELF32 65542f77542SRalf Baechle select CEVT_R4K 656940f6b48SRalf Baechle select CSRC_R4K 657e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6581da177e4SLinus Torvalds select DMA_NONCOHERENT 6596630a8e5SChristoph Hellwig select HAVE_EISA 660d865bea4SRalf Baechle select I8253 66168de4803SThomas Bogendoerfer select I8259 6621da177e4SLinus Torvalds select IP22_CPU_SCACHE 66367e38cf2SRalf Baechle select IRQ_MIPS_CPU 664aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 665e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 666e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 66736e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 668e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 669e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 670e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6711da177e4SLinus Torvalds select SWAP_IO_SPACE 6727cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6737cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 674c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 675ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 676ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6775e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 678802b8362SThomas Bogendoerfer select WAR_R4600_V1_INDEX_ICACHEOP 6795e5b6527SThomas Bogendoerfer select WAR_R4600_V1_HIT_CACHEOP 68044def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 681930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6821da177e4SLinus Torvalds help 6831da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6841da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6851da177e4SLinus Torvalds that runs on these, say Y here. 6861da177e4SLinus Torvalds 6871da177e4SLinus Torvaldsconfig SGI_IP27 6883fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 68954aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 690397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 6910e2794b0SRalf Baechle select FW_ARC 6920e2794b0SRalf Baechle select FW_ARC64 693e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 6945e83d430SRalf Baechle select BOOT_ELF64 695e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 69604100459SChristoph Hellwig select FORCE_PCI 69736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 698eb01d42aSChristoph Hellwig select HAVE_PCI 69969a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 700e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 701130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 702a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 703a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7047cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 705ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7065e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 707d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7081a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 709256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 710930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7116c86a302SMike Rapoport select NUMA 7121da177e4SLinus Torvalds help 7131da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7141da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7151da177e4SLinus Torvalds here. 7161da177e4SLinus Torvalds 717e2defae5SThomas Bogendoerferconfig SGI_IP28 7187d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 719c0de00b2SThomas Bogendoerfer select ARC_MEMORY 72039b2d756SThomas Bogendoerfer select ARC_PROMLIB 7210e2794b0SRalf Baechle select FW_ARC 7220e2794b0SRalf Baechle select FW_ARC64 7237a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 724e2defae5SThomas Bogendoerfer select BOOT_ELF64 725e2defae5SThomas Bogendoerfer select CEVT_R4K 726e2defae5SThomas Bogendoerfer select CSRC_R4K 727e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 728e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 729e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 73067e38cf2SRalf Baechle select IRQ_MIPS_CPU 7316630a8e5SChristoph Hellwig select HAVE_EISA 732e2defae5SThomas Bogendoerfer select I8253 733e2defae5SThomas Bogendoerfer select I8259 734e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 735e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7365b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 737e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 738e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 739e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 740e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 741e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 742c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 743e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 744e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 745256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 746dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 747e2defae5SThomas Bogendoerfer help 748e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 749e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 750e2defae5SThomas Bogendoerfer 7517505576dSThomas Bogendoerferconfig SGI_IP30 7527505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7537505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7547505576dSThomas Bogendoerfer select FW_ARC 7557505576dSThomas Bogendoerfer select FW_ARC64 7567505576dSThomas Bogendoerfer select BOOT_ELF64 7577505576dSThomas Bogendoerfer select CEVT_R4K 7587505576dSThomas Bogendoerfer select CSRC_R4K 75904100459SChristoph Hellwig select FORCE_PCI 7607505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7617505576dSThomas Bogendoerfer select ZONE_DMA32 7627505576dSThomas Bogendoerfer select HAVE_PCI 7637505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7647505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7657505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7667505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7677505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7687505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7697505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7707505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7717505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 772256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 7737505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7747505576dSThomas Bogendoerfer select ARC_MEMORY 7757505576dSThomas Bogendoerfer help 7767505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 7777505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 7787505576dSThomas Bogendoerfer 7791da177e4SLinus Torvaldsconfig SGI_IP32 780cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 78139b2d756SThomas Bogendoerfer select ARC_MEMORY 78239b2d756SThomas Bogendoerfer select ARC_PROMLIB 78303df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7840e2794b0SRalf Baechle select FW_ARC 7850e2794b0SRalf Baechle select FW_ARC32 7861da177e4SLinus Torvalds select BOOT_ELF32 78742f77542SRalf Baechle select CEVT_R4K 788940f6b48SRalf Baechle select CSRC_R4K 7891da177e4SLinus Torvalds select DMA_NONCOHERENT 790eb01d42aSChristoph Hellwig select HAVE_PCI 79167e38cf2SRalf Baechle select IRQ_MIPS_CPU 7921da177e4SLinus Torvalds select R5000_CPU_SCACHE 7931da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7947cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7957cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7967cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 797dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 798ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7995e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 800886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 8011da177e4SLinus Torvalds help 8021da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8031da177e4SLinus Torvalds 804ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 805ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8065e83d430SRalf Baechle select BOOT_ELF32 8075e83d430SRalf Baechle select SIBYTE_BCM1120 8085e83d430SRalf Baechle select SWAP_IO_SPACE 8097cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8105e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8115e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8125e83d430SRalf Baechle 813ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 814ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8155e83d430SRalf Baechle select BOOT_ELF32 8165e83d430SRalf Baechle select SIBYTE_BCM1120 8175e83d430SRalf Baechle select SWAP_IO_SPACE 8187cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8195e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8205e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8215e83d430SRalf Baechle 8225e83d430SRalf Baechleconfig SIBYTE_CRHONE 8233fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8245e83d430SRalf Baechle select BOOT_ELF32 8255e83d430SRalf Baechle select SIBYTE_BCM1125 8265e83d430SRalf Baechle select SWAP_IO_SPACE 8277cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8285e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8295e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8305e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8315e83d430SRalf Baechle 832ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 833ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 834ade299d8SYoichi Yuasa select BOOT_ELF32 835ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 836ade299d8SYoichi Yuasa select SWAP_IO_SPACE 837ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 838ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 839ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 840ade299d8SYoichi Yuasa 841ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 842ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 843ade299d8SYoichi Yuasa select BOOT_ELF32 844fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 845ade299d8SYoichi Yuasa select SIBYTE_SB1250 846ade299d8SYoichi Yuasa select SWAP_IO_SPACE 847ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 848ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 849ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 850ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 851cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 852e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 853ade299d8SYoichi Yuasa 854ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 855ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 856ade299d8SYoichi Yuasa select BOOT_ELF32 857fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 858ade299d8SYoichi Yuasa select SIBYTE_SB1250 859ade299d8SYoichi Yuasa select SWAP_IO_SPACE 860ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 861ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 862ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 863ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 864756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 865ade299d8SYoichi Yuasa 866ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 867ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 868ade299d8SYoichi Yuasa select BOOT_ELF32 869ade299d8SYoichi Yuasa select SIBYTE_SB1250 870ade299d8SYoichi Yuasa select SWAP_IO_SPACE 871ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 872ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 873ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 874e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 875ade299d8SYoichi Yuasa 876ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 877ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 878ade299d8SYoichi Yuasa select BOOT_ELF32 879ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 880ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 881ade299d8SYoichi Yuasa select SWAP_IO_SPACE 882ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 883ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 884651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 885ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 886cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 887e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 888ade299d8SYoichi Yuasa 88914b36af4SThomas Bogendoerferconfig SNI_RM 89014b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 89139b2d756SThomas Bogendoerfer select ARC_MEMORY 89239b2d756SThomas Bogendoerfer select ARC_PROMLIB 8930e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8940e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 895aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8965e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 897a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8987a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8995e83d430SRalf Baechle select BOOT_ELF32 90042f77542SRalf Baechle select CEVT_R4K 901940f6b48SRalf Baechle select CSRC_R4K 902e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9035e83d430SRalf Baechle select DMA_NONCOHERENT 9045e83d430SRalf Baechle select GENERIC_ISA_DMA 9056630a8e5SChristoph Hellwig select HAVE_EISA 9068a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 907eb01d42aSChristoph Hellwig select HAVE_PCI 90867e38cf2SRalf Baechle select IRQ_MIPS_CPU 909d865bea4SRalf Baechle select I8253 9105e83d430SRalf Baechle select I8259 9115e83d430SRalf Baechle select ISA 912564c836fSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_6 9134a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9147cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9154a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 916c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9174a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 91836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 919ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9207d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9214a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9225e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9235e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 92444def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 9251da177e4SLinus Torvalds help 92614b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 92714b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9285e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9295e83d430SRalf Baechle support this machine type. 9301da177e4SLinus Torvalds 931edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 932edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9335e83d430SRalf Baechle 934edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 935edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 93624a1c023SThomas Bogendoerfer select WAR_TX49XX_ICACHE_INDEX_INV 93723fbee9dSRalf Baechle 93873b4390fSRalf Baechleconfig MIKROTIK_RB532 93973b4390fSRalf Baechle bool "Mikrotik RB532 boards" 94073b4390fSRalf Baechle select CEVT_R4K 94173b4390fSRalf Baechle select CSRC_R4K 94273b4390fSRalf Baechle select DMA_NONCOHERENT 943eb01d42aSChristoph Hellwig select HAVE_PCI 94467e38cf2SRalf Baechle select IRQ_MIPS_CPU 94573b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 94673b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 94773b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 94873b4390fSRalf Baechle select SWAP_IO_SPACE 94973b4390fSRalf Baechle select BOOT_RAW 950d30a2b47SLinus Walleij select GPIOLIB 951930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 95273b4390fSRalf Baechle help 95373b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 95473b4390fSRalf Baechle based on the IDT RC32434 SoC. 95573b4390fSRalf Baechle 9569ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9579ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 958a86c7f72SDavid Daney select CEVT_R4K 959ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9601753d50cSChristoph Hellwig select HAVE_RAPIDIO 961d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 962a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 963a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 964f65aad41SRalf Baechle select EDAC_SUPPORT 965b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 96673569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 96773569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 968a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9695e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 970eb01d42aSChristoph Hellwig select HAVE_PCI 97178bdbbacSMasahiro Yamada select HAVE_PLAT_DELAY 97278bdbbacSMasahiro Yamada select HAVE_PLAT_FW_INIT_CMDLINE 97378bdbbacSMasahiro Yamada select HAVE_PLAT_MEMCPY 974f00e001eSDavid Daney select ZONE_DMA32 975d30a2b47SLinus Walleij select GPIOLIB 9766e511163SDavid Daney select USE_OF 9776e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9786e511163SDavid Daney select SYS_SUPPORTS_SMP 9797820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9807820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 981e326479fSAndrew Bresticker select BUILTIN_DTB 982f766b28aSJulian Braha select MTD 9838c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 98409230cbcSChristoph Hellwig select SWIOTLB 9853ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 986a86c7f72SDavid Daney help 987a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 988a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 989a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 990a86c7f72SDavid Daney Some of the supported boards are: 991a86c7f72SDavid Daney EBT3000 992a86c7f72SDavid Daney EBH3000 993a86c7f72SDavid Daney EBH3100 994a86c7f72SDavid Daney Thunder 995a86c7f72SDavid Daney Kodama 996a86c7f72SDavid Daney Hikari 997a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 998a86c7f72SDavid Daney 9991da177e4SLinus Torvaldsendchoice 10001da177e4SLinus Torvalds 1001e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10023b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1003d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1004a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1005e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10068945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1007eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 1008a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig" 10095e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10108ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10112572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1012ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 101329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 101438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 101522b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10165e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1017a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 101871e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 101930ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 102030ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 102138b18f72SRalf Baechle 10225e83d430SRalf Baechleendmenu 10235e83d430SRalf Baechle 10243c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10253c9ee7efSAkinobu Mita bool 10263c9ee7efSAkinobu Mita default y 10273c9ee7efSAkinobu Mita 10281da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10291da177e4SLinus Torvalds bool 10301da177e4SLinus Torvalds default y 10311da177e4SLinus Torvalds 1032ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10331cc89038SAtsushi Nemoto bool 10341cc89038SAtsushi Nemoto default y 10351cc89038SAtsushi Nemoto 10361da177e4SLinus Torvalds# 10371da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10381da177e4SLinus Torvalds# 10390e2794b0SRalf Baechleconfig FW_ARC 10401da177e4SLinus Torvalds bool 10411da177e4SLinus Torvalds 104261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 104361ed242dSRalf Baechle bool 104461ed242dSRalf Baechle 10459267a30dSMarc St-Jeanconfig BOOT_RAW 10469267a30dSMarc St-Jean bool 10479267a30dSMarc St-Jean 1048217dd11eSRalf Baechleconfig CEVT_BCM1480 1049217dd11eSRalf Baechle bool 1050217dd11eSRalf Baechle 10516457d9fcSYoichi Yuasaconfig CEVT_DS1287 10526457d9fcSYoichi Yuasa bool 10536457d9fcSYoichi Yuasa 10541097c6acSYoichi Yuasaconfig CEVT_GT641XX 10551097c6acSYoichi Yuasa bool 10561097c6acSYoichi Yuasa 105742f77542SRalf Baechleconfig CEVT_R4K 105842f77542SRalf Baechle bool 105942f77542SRalf Baechle 1060217dd11eSRalf Baechleconfig CEVT_SB1250 1061217dd11eSRalf Baechle bool 1062217dd11eSRalf Baechle 1063229f773eSAtsushi Nemotoconfig CEVT_TXX9 1064229f773eSAtsushi Nemoto bool 1065229f773eSAtsushi Nemoto 1066217dd11eSRalf Baechleconfig CSRC_BCM1480 1067217dd11eSRalf Baechle bool 1068217dd11eSRalf Baechle 10694247417dSYoichi Yuasaconfig CSRC_IOASIC 10704247417dSYoichi Yuasa bool 10714247417dSYoichi Yuasa 1072940f6b48SRalf Baechleconfig CSRC_R4K 107338586428SSerge Semin select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1074940f6b48SRalf Baechle bool 1075940f6b48SRalf Baechle 1076217dd11eSRalf Baechleconfig CSRC_SB1250 1077217dd11eSRalf Baechle bool 1078217dd11eSRalf Baechle 1079a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1080a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1081a7f4df4eSAlex Smith 1082a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1083d30a2b47SLinus Walleij select GPIOLIB 1084a9aec7feSAtsushi Nemoto bool 1085a9aec7feSAtsushi Nemoto 10860e2794b0SRalf Baechleconfig FW_CFE 1087df78b5c8SAurelien Jarno bool 1088df78b5c8SAurelien Jarno 108940e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 109040e084a5SRalf Baechle bool 109140e084a5SRalf Baechle 109220d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 109320d33064SPaul Burton bool 1094347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 10955748e1b3SChristoph Hellwig select DMA_NONCOHERENT 109620d33064SPaul Burton 10971da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 10981da177e4SLinus Torvalds bool 1099db91427bSChristoph Hellwig # 1100db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1101db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1102db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1103db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1104db91427bSChristoph Hellwig # significant advantages. 1105db91427bSChristoph Hellwig # 1106419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1107fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_PREP_COHERENT 1108f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1109fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_SET_UNCACHED 111034dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 111134dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 11124ce588cdSRalf Baechle 111336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11141da177e4SLinus Torvalds bool 11151da177e4SLinus Torvalds 11161b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1117dbb74540SRalf Baechle bool 1118dbb74540SRalf Baechle 11191da177e4SLinus Torvaldsconfig MIPS_BONITO64 11201da177e4SLinus Torvalds bool 11211da177e4SLinus Torvalds 11221da177e4SLinus Torvaldsconfig MIPS_MSC 11231da177e4SLinus Torvalds bool 11241da177e4SLinus Torvalds 112539b8d525SRalf Baechleconfig SYNC_R4K 112639b8d525SRalf Baechle bool 112739b8d525SRalf Baechle 1128ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1129d388d685SMaciej W. Rozycki def_bool n 1130d388d685SMaciej W. Rozycki 11314e0748f5SMarkos Chandrasconfig GENERIC_CSUM 113218d84e2eSAlexander Lobakin def_bool CPU_NO_LOAD_STORE_LR 11334e0748f5SMarkos Chandras 11348313da30SRalf Baechleconfig GENERIC_ISA_DMA 11358313da30SRalf Baechle bool 11368313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1137a35bee8aSNamhyung Kim select ISA_DMA_API 11388313da30SRalf Baechle 1139aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1140aa414dffSRalf Baechle bool 11418313da30SRalf Baechle select GENERIC_ISA_DMA 1142aa414dffSRalf Baechle 114378bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY 114478bdbbacSMasahiro Yamada bool 114578bdbbacSMasahiro Yamada 114678bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE 114778bdbbacSMasahiro Yamada bool 114878bdbbacSMasahiro Yamada 114978bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY 115078bdbbacSMasahiro Yamada bool 115178bdbbacSMasahiro Yamada 1152a35bee8aSNamhyung Kimconfig ISA_DMA_API 1153a35bee8aSNamhyung Kim bool 1154a35bee8aSNamhyung Kim 11558c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11568c530ea3SMatt Redfearn bool 11578c530ea3SMatt Redfearn help 11588c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11598c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11608c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11618c530ea3SMatt Redfearn 11625e83d430SRalf Baechle# 11636b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11645e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11655e83d430SRalf Baechle# choice statement should be more obvious to the user. 11665e83d430SRalf Baechle# 11675e83d430SRalf Baechlechoice 11686b2aac42SMasanari Iida prompt "Endianness selection" 11691da177e4SLinus Torvalds help 11701da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11715e83d430SRalf Baechle byte order. These modes require different kernels and a different 11723cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11735e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11743dde6ad8SDavid Sterba one or the other endianness. 11755e83d430SRalf Baechle 11765e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11775e83d430SRalf Baechle bool "Big endian" 11785e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11795e83d430SRalf Baechle 11805e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11815e83d430SRalf Baechle bool "Little endian" 11825e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11835e83d430SRalf Baechle 11845e83d430SRalf Baechleendchoice 11855e83d430SRalf Baechle 118622b0763aSDavid Daneyconfig EXPORT_UASM 118722b0763aSDavid Daney bool 118822b0763aSDavid Daney 11892116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 11902116245eSRalf Baechle bool 11912116245eSRalf Baechle 11925e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 11935e83d430SRalf Baechle bool 11945e83d430SRalf Baechle 11955e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 11965e83d430SRalf Baechle bool 11971da177e4SLinus Torvalds 1198aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1199aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1200aa1762f4SDavid Daney 12019267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12029267a30dSMarc St-Jean bool 12039267a30dSMarc St-Jean 12049267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12059267a30dSMarc St-Jean bool 12069267a30dSMarc St-Jean 12078420fd00SAtsushi Nemotoconfig IRQ_TXX9 12088420fd00SAtsushi Nemoto bool 12098420fd00SAtsushi Nemoto 1210d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1211d5ab1a69SYoichi Yuasa bool 1212d5ab1a69SYoichi Yuasa 1213252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12141da177e4SLinus Torvalds bool 12151da177e4SLinus Torvalds 1216a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1217a57140e9SThomas Bogendoerfer bool 1218a57140e9SThomas Bogendoerfer 12199267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12209267a30dSMarc St-Jean bool 12219267a30dSMarc St-Jean 1222a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1223a7e07b1aSMarkos Chandras bool 1224a7e07b1aSMarkos Chandras 12251da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12261da177e4SLinus Torvalds bool 12271da177e4SLinus Torvalds 1228e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1229e2defae5SThomas Bogendoerfer bool 1230e2defae5SThomas Bogendoerfer 12315b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12325b438c44SThomas Bogendoerfer bool 12335b438c44SThomas Bogendoerfer 1234e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1235e2defae5SThomas Bogendoerfer bool 1236e2defae5SThomas Bogendoerfer 1237e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1238e2defae5SThomas Bogendoerfer bool 1239e2defae5SThomas Bogendoerfer 1240e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1241e2defae5SThomas Bogendoerfer bool 1242e2defae5SThomas Bogendoerfer 1243e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1244e2defae5SThomas Bogendoerfer bool 1245e2defae5SThomas Bogendoerfer 1246e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1247e2defae5SThomas Bogendoerfer bool 1248e2defae5SThomas Bogendoerfer 12490e2794b0SRalf Baechleconfig FW_ARC32 12505e83d430SRalf Baechle bool 12515e83d430SRalf Baechle 1252aaa9fad3SPaul Bolleconfig FW_SNIPROM 1253231a35d3SThomas Bogendoerfer bool 1254231a35d3SThomas Bogendoerfer 12551da177e4SLinus Torvaldsconfig BOOT_ELF32 12561da177e4SLinus Torvalds bool 12571da177e4SLinus Torvalds 1258930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1259930beb5aSFlorian Fainelli bool 1260930beb5aSFlorian Fainelli 1261930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1262930beb5aSFlorian Fainelli bool 1263930beb5aSFlorian Fainelli 1264930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1265930beb5aSFlorian Fainelli bool 1266930beb5aSFlorian Fainelli 1267930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1268930beb5aSFlorian Fainelli bool 1269930beb5aSFlorian Fainelli 12701da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12711da177e4SLinus Torvalds int 1272a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12735432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 12745432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 12755432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 12761da177e4SLinus Torvalds default "5" 12771da177e4SLinus Torvalds 1278e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1279e9422427SThomas Bogendoerfer bool 1280e9422427SThomas Bogendoerfer 12811da177e4SLinus Torvaldsconfig ARC_CONSOLE 12821da177e4SLinus Torvalds bool "ARC console support" 1283e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12841da177e4SLinus Torvalds 12851da177e4SLinus Torvaldsconfig ARC_MEMORY 12861da177e4SLinus Torvalds bool 12871da177e4SLinus Torvalds 12881da177e4SLinus Torvaldsconfig ARC_PROMLIB 12891da177e4SLinus Torvalds bool 12901da177e4SLinus Torvalds 12910e2794b0SRalf Baechleconfig FW_ARC64 12921da177e4SLinus Torvalds bool 12931da177e4SLinus Torvalds 12941da177e4SLinus Torvaldsconfig BOOT_ELF64 12951da177e4SLinus Torvalds bool 12961da177e4SLinus Torvalds 12971da177e4SLinus Torvaldsmenu "CPU selection" 12981da177e4SLinus Torvalds 12991da177e4SLinus Torvaldschoice 13001da177e4SLinus Torvalds prompt "CPU type" 13011da177e4SLinus Torvalds default CPU_R4X00 13021da177e4SLinus Torvalds 1303268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1304caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1305268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1306d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 130751522217SJiaxun Yang select CPU_MIPSR2 130851522217SJiaxun Yang select CPU_HAS_PREFETCH 13090e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13100e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13110e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13127507445bSHuacai Chen select CPU_SUPPORTS_MSA 131351522217SJiaxun Yang select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 131451522217SJiaxun Yang select CPU_MIPSR2_IRQ_VI 13150e476d91SHuacai Chen select WEAK_ORDERING 13160e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 13177507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1318b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 131917c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 13207f3b3c2bSJackie Liu select MIPS_FP_SUPPORT 1321d30a2b47SLinus Walleij select GPIOLIB 132209230cbcSChristoph Hellwig select SWIOTLB 13230f78355cSHuacai Chen select HAVE_KVM 13240e476d91SHuacai Chen help 1325caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1326caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1327caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1328caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1329caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 13300e476d91SHuacai Chen 1331caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1332caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 13331e820da3SHuacai Chen default n 1334268a2d60SJiaxun Yang depends on CPU_LOONGSON64 13351e820da3SHuacai Chen help 1336caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 13371e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1338268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 13391e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13401e820da3SHuacai Chen Fast TLB refill support, etc. 13411e820da3SHuacai Chen 13421e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13431e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13441e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1345caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 13461e820da3SHuacai Chen 1347e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1348caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1349e02e07e3SHuacai Chen default y if SMP 1350268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1351e02e07e3SHuacai Chen help 1352caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1353e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1354e02e07e3SHuacai Chen 1355caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1356e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1357e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1358e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1359e02e07e3SHuacai Chen 1360e02e07e3SHuacai Chen If unsure, please say Y. 1361e02e07e3SHuacai Chen 1362ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION 1363ec7a9318SWANG Xuerui bool "Emulate the CPUCFG instruction on older Loongson cores" 1364ec7a9318SWANG Xuerui default y 1365ec7a9318SWANG Xuerui depends on CPU_LOONGSON64 1366ec7a9318SWANG Xuerui help 1367ec7a9318SWANG Xuerui Loongson-3A R4 and newer have the CPUCFG instruction available for 1368ec7a9318SWANG Xuerui userland to query CPU capabilities, much like CPUID on x86. This 1369ec7a9318SWANG Xuerui option provides emulation of the instruction on older Loongson 1370ec7a9318SWANG Xuerui cores, back to Loongson-3A1000. 1371ec7a9318SWANG Xuerui 1372ec7a9318SWANG Xuerui If unsure, please say Y. 1373ec7a9318SWANG Xuerui 13743702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13753702bba5SWu Zhangjin bool "Loongson 2E" 13763702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1377268a2d60SJiaxun Yang select CPU_LOONGSON2EF 13782a21c730SFuxin Zhang help 13792a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13802a21c730SFuxin Zhang with many extensions. 13812a21c730SFuxin Zhang 138225985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13836f7a251aSWu Zhangjin bonito64. 13846f7a251aSWu Zhangjin 13856f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13866f7a251aSWu Zhangjin bool "Loongson 2F" 13876f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1388268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1389d30a2b47SLinus Walleij select GPIOLIB 13906f7a251aSWu Zhangjin help 13916f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13926f7a251aSWu Zhangjin with many extensions. 13936f7a251aSWu Zhangjin 13946f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13956f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13966f7a251aSWu Zhangjin Loongson2E. 13976f7a251aSWu Zhangjin 1398ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1399ca585cf9SKelvin Cheung bool "Loongson 1B" 1400ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1401b2afb64cSHuacai Chen select CPU_LOONGSON32 14029ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1403ca585cf9SKelvin Cheung help 1404ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1405968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1406968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1407ca585cf9SKelvin Cheung 140812e3280bSYang Lingconfig CPU_LOONGSON1C 140912e3280bSYang Ling bool "Loongson 1C" 141012e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1411b2afb64cSHuacai Chen select CPU_LOONGSON32 141212e3280bSYang Ling select LEDS_GPIO_REGISTER 141312e3280bSYang Ling help 141412e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1415968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1416968dc5a0S谢致邦 (XIE Zhibang) instruction set. 141712e3280bSYang Ling 14186e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14196e760c8dSRalf Baechle bool "MIPS32 Release 1" 14207cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14216e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1422797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1423ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14246e760c8dSRalf Baechle help 14255e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14261e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14271e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14281e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14291e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14301e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14311e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14321e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14331e5f1caaSRalf Baechle performance. 14341e5f1caaSRalf Baechle 14351e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14361e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14377cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14381e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1439797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1440ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1441a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14422235a54dSSanjay Lal select HAVE_KVM 14431e5f1caaSRalf Baechle help 14445e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14456e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14466e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14476e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14486e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14491da177e4SLinus Torvalds 1450ab7c01fdSSerge Seminconfig CPU_MIPS32_R5 1451ab7c01fdSSerge Semin bool "MIPS32 Release 5" 1452ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS32_R5 1453ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1454ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1455ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1456ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1457ab7c01fdSSerge Semin select HAVE_KVM 1458ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT 1459ab7c01fdSSerge Semin help 1460ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1461ab7c01fdSSerge Semin MIPS32 architecture. New MIPS processors, starting with the Warrior 1462ab7c01fdSSerge Semin family, are based on a MIPS32r5 processor. If you own an older 1463ab7c01fdSSerge Semin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1464ab7c01fdSSerge Semin 14657fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1466674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14677fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14687fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 146918d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 14707fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14717fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14727fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14737fd08ca5SLeonid Yegoshin select HAVE_KVM 14747fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14757fd08ca5SLeonid Yegoshin help 14767fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14777fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14787fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14797fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14807fd08ca5SLeonid Yegoshin 14816e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14826e760c8dSRalf Baechle bool "MIPS64 Release 1" 14837cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1484797798c1SRalf Baechle select CPU_HAS_PREFETCH 1485ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1486ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1487ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14889cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14896e760c8dSRalf Baechle help 14906e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14916e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14926e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14936e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14946e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14951e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14961e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14971e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14981e5f1caaSRalf Baechle performance. 14991e5f1caaSRalf Baechle 15001e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15011e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15027cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1503797798c1SRalf Baechle select CPU_HAS_PREFETCH 15041e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15051e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1506ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15079cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1508a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 150940a2df49SJames Hogan select HAVE_KVM 15101e5f1caaSRalf Baechle help 15111e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15121e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15131e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15141e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15151e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15161da177e4SLinus Torvalds 1517ab7c01fdSSerge Seminconfig CPU_MIPS64_R5 1518ab7c01fdSSerge Semin bool "MIPS64 Release 5" 1519ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS64_R5 1520ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1521ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1522ab7c01fdSSerge Semin select CPU_SUPPORTS_64BIT_KERNEL 1523ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1524ab7c01fdSSerge Semin select CPU_SUPPORTS_HUGEPAGES 1525ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1526ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1527ab7c01fdSSerge Semin select HAVE_KVM 1528ab7c01fdSSerge Semin help 1529ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1530ab7c01fdSSerge Semin MIPS64 architecture. This is a intermediate MIPS architecture 1531ab7c01fdSSerge Semin release partly implementing release 6 features. Though there is no 1532ab7c01fdSSerge Semin any hardware known to be based on this release. 1533ab7c01fdSSerge Semin 15347fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1535674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15367fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15377fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 153818d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 15397fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15407fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15417fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1542afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 15437fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15442e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 154540a2df49SJames Hogan select HAVE_KVM 15467fd08ca5SLeonid Yegoshin help 15477fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15487fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15497fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15507fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15517fd08ca5SLeonid Yegoshin 1552281e3aeaSSerge Seminconfig CPU_P5600 1553281e3aeaSSerge Semin bool "MIPS Warrior P5600" 1554281e3aeaSSerge Semin depends on SYS_HAS_CPU_P5600 1555281e3aeaSSerge Semin select CPU_HAS_PREFETCH 1556281e3aeaSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1557281e3aeaSSerge Semin select CPU_SUPPORTS_HIGHMEM 1558281e3aeaSSerge Semin select CPU_SUPPORTS_MSA 1559281e3aeaSSerge Semin select CPU_SUPPORTS_CPUFREQ 1560281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_VI 1561281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_EI 1562281e3aeaSSerge Semin select HAVE_KVM 1563281e3aeaSSerge Semin select MIPS_O32_FP64_SUPPORT 1564281e3aeaSSerge Semin help 1565281e3aeaSSerge Semin Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1566281e3aeaSSerge Semin It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1567281e3aeaSSerge Semin MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1568281e3aeaSSerge Semin level features like up to six P5600 calculation cores, CM2 with L2 1569281e3aeaSSerge Semin cache, IOCU/IOMMU (though might be unused depending on the system- 1570281e3aeaSSerge Semin specific IP core configuration), GIC, CPC, virtualisation module, 1571281e3aeaSSerge Semin eJTAG and PDtrace. 1572281e3aeaSSerge Semin 15731da177e4SLinus Torvaldsconfig CPU_R3000 15741da177e4SLinus Torvalds bool "R3000" 15757cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1576f7062ddbSRalf Baechle select CPU_HAS_WB 157754746829SPaul Burton select CPU_R3K_TLB 1578ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1579797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15801da177e4SLinus Torvalds help 15811da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15821da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15831da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15841da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15851da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15861da177e4SLinus Torvalds try to recompile with R3000. 15871da177e4SLinus Torvalds 15881da177e4SLinus Torvaldsconfig CPU_TX39XX 15891da177e4SLinus Torvalds bool "R39XX" 15907cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1591ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 159254746829SPaul Burton select CPU_R3K_TLB 15931da177e4SLinus Torvalds 15941da177e4SLinus Torvaldsconfig CPU_VR41XX 15951da177e4SLinus Torvalds bool "R41xx" 15967cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1597ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1598ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15991da177e4SLinus Torvalds help 16005e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16011da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16021da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16031da177e4SLinus Torvalds processor or vice versa. 16041da177e4SLinus Torvalds 160565ce6197SLauri Kasanenconfig CPU_R4300 160665ce6197SLauri Kasanen bool "R4300" 160765ce6197SLauri Kasanen depends on SYS_HAS_CPU_R4300 160865ce6197SLauri Kasanen select CPU_SUPPORTS_32BIT_KERNEL 160965ce6197SLauri Kasanen select CPU_SUPPORTS_64BIT_KERNEL 161065ce6197SLauri Kasanen help 161165ce6197SLauri Kasanen MIPS Technologies R4300-series processors. 161265ce6197SLauri Kasanen 16131da177e4SLinus Torvaldsconfig CPU_R4X00 16141da177e4SLinus Torvalds bool "R4x00" 16157cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1616ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1617ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1618970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16191da177e4SLinus Torvalds help 16201da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16211da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16221da177e4SLinus Torvalds 16231da177e4SLinus Torvaldsconfig CPU_TX49XX 16241da177e4SLinus Torvalds bool "R49XX" 16257cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1626de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1627ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1628ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1629970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16301da177e4SLinus Torvalds 16311da177e4SLinus Torvaldsconfig CPU_R5000 16321da177e4SLinus Torvalds bool "R5000" 16337cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1634ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1635ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1636970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16371da177e4SLinus Torvalds help 16381da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16391da177e4SLinus Torvalds 1640542c1020SShinya Kuribayashiconfig CPU_R5500 1641542c1020SShinya Kuribayashi bool "R5500" 1642542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1643542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1644542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16459cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1646542c1020SShinya Kuribayashi help 1647542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1648542c1020SShinya Kuribayashi instruction set. 1649542c1020SShinya Kuribayashi 16501da177e4SLinus Torvaldsconfig CPU_NEVADA 16511da177e4SLinus Torvalds bool "RM52xx" 16527cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1653ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1654ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1655970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16561da177e4SLinus Torvalds help 16571da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16581da177e4SLinus Torvalds 16591da177e4SLinus Torvaldsconfig CPU_R10000 16601da177e4SLinus Torvalds bool "R10000" 16617cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16625e83d430SRalf Baechle select CPU_HAS_PREFETCH 1663ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1664ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1665797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1666970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16671da177e4SLinus Torvalds help 16681da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16691da177e4SLinus Torvalds 16701da177e4SLinus Torvaldsconfig CPU_RM7000 16711da177e4SLinus Torvalds bool "RM7000" 16727cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16735e83d430SRalf Baechle select CPU_HAS_PREFETCH 1674ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1675ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1676797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1677970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16781da177e4SLinus Torvalds 16791da177e4SLinus Torvaldsconfig CPU_SB1 16801da177e4SLinus Torvalds bool "SB1" 16817cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1682ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1683ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1684797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1685970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16860004a9dfSRalf Baechle select WEAK_ORDERING 16871da177e4SLinus Torvalds 1688a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1689a86c7f72SDavid Daney bool "Cavium Octeon processor" 16905e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1691a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1692a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1693a86c7f72SDavid Daney select WEAK_ORDERING 1694a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16959cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1696df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1697df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1698930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 16990ae3abcdSJames Hogan select HAVE_KVM 1700a86c7f72SDavid Daney help 1701a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1702a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1703a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1704a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1705a86c7f72SDavid Daney 1706cd746249SJonas Gorskiconfig CPU_BMIPS 1707cd746249SJonas Gorski bool "Broadcom BMIPS" 1708cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1709cd746249SJonas Gorski select CPU_MIPS32 1710fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1711cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1712cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1713cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1714cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1715cd746249SJonas Gorski select DMA_NONCOHERENT 171667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1717cd746249SJonas Gorski select SWAP_IO_SPACE 1718cd746249SJonas Gorski select WEAK_ORDERING 1719c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 172069aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1721a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1722a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1723bf8bde41SFlorian Fainelli select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 1724c1c0c461SKevin Cernekee help 1725fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1726c1c0c461SKevin Cernekee 17271da177e4SLinus Torvaldsendchoice 17281da177e4SLinus Torvalds 1729a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1730a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1731a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1732281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1733281e3aeaSSerge Semin CPU_P5600 1734a6e18781SLeonid Yegoshin help 1735a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1736a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1737a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1738a6e18781SLeonid Yegoshin 1739a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1740a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1741a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1742a6e18781SLeonid Yegoshin select EVA 1743a6e18781SLeonid Yegoshin default y 1744a6e18781SLeonid Yegoshin help 1745a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1746a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1747a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1748a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1749a6e18781SLeonid Yegoshin 1750c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1751c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1752c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1753281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1754c5b36783SSteven J. Hill help 1755c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1756c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1757c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1758c5b36783SSteven J. Hill 1759c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1760c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1761c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1762c5b36783SSteven J. Hill depends on !EVA 1763c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1764c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1765c5b36783SSteven J. Hill select XPA 1766c5b36783SSteven J. Hill select HIGHMEM 1767d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1768c5b36783SSteven J. Hill default n 1769c5b36783SSteven J. Hill help 1770c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1771c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1772c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1773c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1774c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1775c5b36783SSteven J. Hill If unsure, say 'N' here. 1776c5b36783SSteven J. Hill 1777622844bfSWu Zhangjinif CPU_LOONGSON2F 1778622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1779622844bfSWu Zhangjin bool 1780622844bfSWu Zhangjin 1781622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1782622844bfSWu Zhangjin bool 1783622844bfSWu Zhangjin 1784622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1785622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1786622844bfSWu Zhangjin default y 1787622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1788622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1789622844bfSWu Zhangjin help 1790622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1791622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1792622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1793622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1794622844bfSWu Zhangjin 1795622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1796622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1797622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1798622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1799622844bfSWu Zhangjin systems. 1800622844bfSWu Zhangjin 1801622844bfSWu Zhangjin If unsure, please say Y. 1802622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1803622844bfSWu Zhangjin 18041b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18051b93b3c3SWu Zhangjin bool 18061b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18071b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 180831c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18091b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1810fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18114e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 1812a510b616SPaul Cercueil select HAVE_KERNEL_ZSTD 18131b93b3c3SWu Zhangjin 18141b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18151b93b3c3SWu Zhangjin bool 18161b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18171b93b3c3SWu Zhangjin 1818dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1819dbb98314SAlban Bedel bool 1820dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1821dbb98314SAlban Bedel 1822268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 18233702bba5SWu Zhangjin bool 18243702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18253702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18263702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1827970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1828e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 18293702bba5SWu Zhangjin 1830b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1831ca585cf9SKelvin Cheung bool 1832ca585cf9SKelvin Cheung select CPU_MIPS32 18337e280f6bSJiaxun Yang select CPU_MIPSR2 1834ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1835ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1836ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1837f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1838ca585cf9SKelvin Cheung 1839fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 184004fa8bf7SJonas Gorski select SMP_UP if SMP 18411bbb6c1bSKevin Cernekee bool 1842cd746249SJonas Gorski 1843cd746249SJonas Gorskiconfig CPU_BMIPS4350 1844cd746249SJonas Gorski bool 1845cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1846cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1847cd746249SJonas Gorski 1848cd746249SJonas Gorskiconfig CPU_BMIPS4380 1849cd746249SJonas Gorski bool 1850bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1851cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1852cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1853b4720809SFlorian Fainelli select CPU_HAS_RIXI 1854cd746249SJonas Gorski 1855cd746249SJonas Gorskiconfig CPU_BMIPS5000 1856cd746249SJonas Gorski bool 1857cd746249SJonas Gorski select MIPS_CPU_SCACHE 1858bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1859cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1860cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1861b4720809SFlorian Fainelli select CPU_HAS_RIXI 18621bbb6c1bSKevin Cernekee 1863268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 18640e476d91SHuacai Chen bool 18650e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1866b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18670e476d91SHuacai Chen 18683702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18692a21c730SFuxin Zhang bool 18702a21c730SFuxin Zhang 18716f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18726f7a251aSWu Zhangjin bool 187355045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 187455045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 18756f7a251aSWu Zhangjin 1876ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1877ca585cf9SKelvin Cheung bool 1878ca585cf9SKelvin Cheung 187912e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 188012e3280bSYang Ling bool 188112e3280bSYang Ling 18827cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18837cf8053bSRalf Baechle bool 18847cf8053bSRalf Baechle 18857cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18867cf8053bSRalf Baechle bool 18877cf8053bSRalf Baechle 1888a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1889a6e18781SLeonid Yegoshin bool 1890a6e18781SLeonid Yegoshin 1891c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1892c5b36783SSteven J. Hill bool 18939ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1894c5b36783SSteven J. Hill 18957fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 18967fd08ca5SLeonid Yegoshin bool 18979ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 18987fd08ca5SLeonid Yegoshin 18997cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19007cf8053bSRalf Baechle bool 19017cf8053bSRalf Baechle 19027cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19037cf8053bSRalf Baechle bool 19047cf8053bSRalf Baechle 1905fd4eb90bSLukas Bulwahnconfig SYS_HAS_CPU_MIPS64_R5 1906fd4eb90bSLukas Bulwahn bool 1907fd4eb90bSLukas Bulwahn select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1908fd4eb90bSLukas Bulwahn 19097fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19107fd08ca5SLeonid Yegoshin bool 19119ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19127fd08ca5SLeonid Yegoshin 1913281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600 1914281e3aeaSSerge Semin bool 1915281e3aeaSSerge Semin select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1916281e3aeaSSerge Semin 19177cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19187cf8053bSRalf Baechle bool 19197cf8053bSRalf Baechle 19207cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19217cf8053bSRalf Baechle bool 19227cf8053bSRalf Baechle 19237cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19247cf8053bSRalf Baechle bool 19257cf8053bSRalf Baechle 192665ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300 192765ce6197SLauri Kasanen bool 192865ce6197SLauri Kasanen 19297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19307cf8053bSRalf Baechle bool 19317cf8053bSRalf Baechle 19327cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19337cf8053bSRalf Baechle bool 19347cf8053bSRalf Baechle 19357cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19367cf8053bSRalf Baechle bool 19377cf8053bSRalf Baechle 1938542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1939542c1020SShinya Kuribayashi bool 1940542c1020SShinya Kuribayashi 19417cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19427cf8053bSRalf Baechle bool 19437cf8053bSRalf Baechle 19447cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19457cf8053bSRalf Baechle bool 19469ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19477cf8053bSRalf Baechle 19487cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19497cf8053bSRalf Baechle bool 19507cf8053bSRalf Baechle 19517cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19527cf8053bSRalf Baechle bool 19537cf8053bSRalf Baechle 19545e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19555e683389SDavid Daney bool 19565e683389SDavid Daney 1957cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1958c1c0c461SKevin Cernekee bool 1959c1c0c461SKevin Cernekee 1960fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1961c1c0c461SKevin Cernekee bool 1962cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1963c1c0c461SKevin Cernekee 1964c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1965c1c0c461SKevin Cernekee bool 1966cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1967c1c0c461SKevin Cernekee 1968c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1969c1c0c461SKevin Cernekee bool 1970cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1971c1c0c461SKevin Cernekee 1972c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1973c1c0c461SKevin Cernekee bool 1974cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1975f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 1976c1c0c461SKevin Cernekee 197717099b11SRalf Baechle# 197817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 197917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 198017099b11SRalf Baechle# 19810004a9dfSRalf Baechleconfig WEAK_ORDERING 19820004a9dfSRalf Baechle bool 198317099b11SRalf Baechle 198417099b11SRalf Baechle# 198517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 198617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 198717099b11SRalf Baechle# 198817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 198917099b11SRalf Baechle bool 19905e83d430SRalf Baechleendmenu 19915e83d430SRalf Baechle 19925e83d430SRalf Baechle# 19935e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19945e83d430SRalf Baechle# 19955e83d430SRalf Baechleconfig CPU_MIPS32 19965e83d430SRalf Baechle bool 1997ab7c01fdSSerge Semin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 1998281e3aeaSSerge Semin CPU_MIPS32_R6 || CPU_P5600 19995e83d430SRalf Baechle 20005e83d430SRalf Baechleconfig CPU_MIPS64 20015e83d430SRalf Baechle bool 2002ab7c01fdSSerge Semin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 20035a4fa44fSJason A. Donenfeld CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON 20045e83d430SRalf Baechle 20055e83d430SRalf Baechle# 200657eeacedSPaul Burton# These indicate the revision of the architecture 20075e83d430SRalf Baechle# 20085e83d430SRalf Baechleconfig CPU_MIPSR1 20095e83d430SRalf Baechle bool 20105e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20115e83d430SRalf Baechle 20125e83d430SRalf Baechleconfig CPU_MIPSR2 20135e83d430SRalf Baechle bool 2014a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20158256b17eSFlorian Fainelli select CPU_HAS_RIXI 2016ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2017a7e07b1aSMarkos Chandras select MIPS_SPRAM 20185e83d430SRalf Baechle 2019ab7c01fdSSerge Seminconfig CPU_MIPSR5 2020ab7c01fdSSerge Semin bool 2021281e3aeaSSerge Semin default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 2022ab7c01fdSSerge Semin select CPU_HAS_RIXI 2023ab7c01fdSSerge Semin select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2024ab7c01fdSSerge Semin select MIPS_SPRAM 2025ab7c01fdSSerge Semin 20267fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20277fd08ca5SLeonid Yegoshin bool 20287fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20298256b17eSFlorian Fainelli select CPU_HAS_RIXI 2030ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 203187321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20322db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20334a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2034a7e07b1aSMarkos Chandras select MIPS_SPRAM 20355e83d430SRalf Baechle 203657eeacedSPaul Burtonconfig TARGET_ISA_REV 203757eeacedSPaul Burton int 203857eeacedSPaul Burton default 1 if CPU_MIPSR1 203957eeacedSPaul Burton default 2 if CPU_MIPSR2 2040ab7c01fdSSerge Semin default 5 if CPU_MIPSR5 204157eeacedSPaul Burton default 6 if CPU_MIPSR6 204257eeacedSPaul Burton default 0 204357eeacedSPaul Burton help 204457eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 204557eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 204657eeacedSPaul Burton 2047a6e18781SLeonid Yegoshinconfig EVA 2048a6e18781SLeonid Yegoshin bool 2049a6e18781SLeonid Yegoshin 2050c5b36783SSteven J. Hillconfig XPA 2051c5b36783SSteven J. Hill bool 2052c5b36783SSteven J. Hill 20535e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20545e83d430SRalf Baechle bool 20555e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20565e83d430SRalf Baechle bool 20575e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20585e83d430SRalf Baechle bool 20595e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20605e83d430SRalf Baechle bool 206155045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 206255045ff5SWu Zhangjin bool 206355045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 206455045ff5SWu Zhangjin bool 20659cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20669cffd154SDavid Daney bool 2067*a670c82dSLukas Bulwahn depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA)) 206882622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 206982622284SDavid Daney bool 2070c6972fb9SHuang Pei depends on 64BIT 207195b8a5e0SThomas Bogendoerfer default y if (CPU_MIPSR2 || CPU_MIPSR6) 20725e83d430SRalf Baechle 20738192c9eaSDavid Daney# 20748192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20758192c9eaSDavid Daney# 20768192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20778192c9eaSDavid Daney bool 2078679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20798192c9eaSDavid Daney 20805e83d430SRalf Baechlemenu "Kernel type" 20815e83d430SRalf Baechle 20825e83d430SRalf Baechlechoice 20835e83d430SRalf Baechle prompt "Kernel code model" 20845e83d430SRalf Baechle help 20855e83d430SRalf Baechle You should only select this option if you have a workload that 20865e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20875e83d430SRalf Baechle large memory. You will only be presented a single option in this 20885e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20895e83d430SRalf Baechle 20905e83d430SRalf Baechleconfig 32BIT 20915e83d430SRalf Baechle bool "32-bit kernel" 20925e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20935e83d430SRalf Baechle select TRAD_SIGNALS 20945e83d430SRalf Baechle help 20955e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2096f17c4ca3SRalf Baechle 20975e83d430SRalf Baechleconfig 64BIT 20985e83d430SRalf Baechle bool "64-bit kernel" 20995e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21005e83d430SRalf Baechle help 21015e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21025e83d430SRalf Baechle 21035e83d430SRalf Baechleendchoice 21045e83d430SRalf Baechle 21051e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21061e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21071e321fa9SLeonid Yegoshin depends on 64BIT 21081e321fa9SLeonid Yegoshin help 21093377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21103377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21113377e227SAlex Belits For page sizes 16k and above, this option results in a small 21123377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21133377e227SAlex Belits level of page tables is added which imposes both a memory 21143377e227SAlex Belits overhead as well as slower TLB fault handling. 21153377e227SAlex Belits 21161e321fa9SLeonid Yegoshin If unsure, say N. 21171e321fa9SLeonid Yegoshin 21181da177e4SLinus Torvaldschoice 21191da177e4SLinus Torvalds prompt "Kernel page size" 21201da177e4SLinus Torvalds default PAGE_SIZE_4KB 21211da177e4SLinus Torvalds 21221da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21231da177e4SLinus Torvalds bool "4kB" 2124268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 21251da177e4SLinus Torvalds help 21261da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21271da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21281da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21291da177e4SLinus Torvalds recommended for low memory systems. 21301da177e4SLinus Torvalds 21311da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21321da177e4SLinus Torvalds bool "8kB" 2133c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 21341e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21351da177e4SLinus Torvalds help 21361da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21371da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2138c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2139c2aeaaeaSPaul Burton distribution to support this. 21401da177e4SLinus Torvalds 21411da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21421da177e4SLinus Torvalds bool "16kB" 2143714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21441da177e4SLinus Torvalds help 21451da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21461da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2147714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2148714bfad6SRalf Baechle Linux distribution to support this. 21491da177e4SLinus Torvalds 2150c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2151c52399beSRalf Baechle bool "32kB" 2152c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21531e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2154c52399beSRalf Baechle help 2155c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2156c52399beSRalf Baechle the price of higher memory consumption. This option is available 2157c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2158c52399beSRalf Baechle distribution to support this. 2159c52399beSRalf Baechle 21601da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21611da177e4SLinus Torvalds bool "64kB" 21623b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21631da177e4SLinus Torvalds help 21641da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21651da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21661da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2167714bfad6SRalf Baechle writing this option is still high experimental. 21681da177e4SLinus Torvalds 21691da177e4SLinus Torvaldsendchoice 21701da177e4SLinus Torvalds 2171c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2172c9bace7cSDavid Daney int "Maximum zone order" 2173e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2174e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2175e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2176e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2177e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2178e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2179ef923a76SPaul Cercueil range 0 64 2180c9bace7cSDavid Daney default "11" 2181c9bace7cSDavid Daney help 2182c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2183c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2184c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2185c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2186c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2187c9bace7cSDavid Daney increase this value. 2188c9bace7cSDavid Daney 2189c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2190c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2191c9bace7cSDavid Daney 2192c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2193c9bace7cSDavid Daney when choosing a value for this option. 2194c9bace7cSDavid Daney 21951da177e4SLinus Torvaldsconfig BOARD_SCACHE 21961da177e4SLinus Torvalds bool 21971da177e4SLinus Torvalds 21981da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 21991da177e4SLinus Torvalds bool 22001da177e4SLinus Torvalds select BOARD_SCACHE 22011da177e4SLinus Torvalds 22029318c51aSChris Dearman# 22039318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22049318c51aSChris Dearman# 22059318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22069318c51aSChris Dearman bool 22079318c51aSChris Dearman select BOARD_SCACHE 22089318c51aSChris Dearman 22091da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22101da177e4SLinus Torvalds bool 22111da177e4SLinus Torvalds select BOARD_SCACHE 22121da177e4SLinus Torvalds 22131da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22141da177e4SLinus Torvalds bool 22151da177e4SLinus Torvalds select BOARD_SCACHE 22161da177e4SLinus Torvalds 22171da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22181da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22191da177e4SLinus Torvalds depends on CPU_SB1 22201da177e4SLinus Torvalds help 22211da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22221da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22231da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22241da177e4SLinus Torvalds 22251da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2226c8094b53SRalf Baechle bool 22271da177e4SLinus Torvalds 22283165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22293165c846SFlorian Fainelli bool 2230c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 22313165c846SFlorian Fainelli 2232c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2233183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2234183b40f9SPaul Burton default y 2235183b40f9SPaul Burton help 2236183b40f9SPaul Burton Select y to include support for floating point in the kernel 2237183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2238183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2239183b40f9SPaul Burton userland program attempting to use floating point instructions will 2240183b40f9SPaul Burton receive a SIGILL. 2241183b40f9SPaul Burton 2242183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2243183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2244183b40f9SPaul Burton 2245183b40f9SPaul Burton If unsure, say y. 2246c92e47e5SPaul Burton 224797f7dcbfSPaul Burtonconfig CPU_R2300_FPU 224897f7dcbfSPaul Burton bool 2249c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 225097f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 225197f7dcbfSPaul Burton 225254746829SPaul Burtonconfig CPU_R3K_TLB 225354746829SPaul Burton bool 225454746829SPaul Burton 225591405eb6SFlorian Fainelliconfig CPU_R4K_FPU 225691405eb6SFlorian Fainelli bool 2257c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 225897f7dcbfSPaul Burton default y if !CPU_R2300_FPU 225991405eb6SFlorian Fainelli 226062cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 226162cedc4fSFlorian Fainelli bool 226254746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 226362cedc4fSFlorian Fainelli 226459d6ab86SRalf Baechleconfig MIPS_MT_SMP 2265a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22665cbf9688SPaul Burton default y 2267527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 226859d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2269d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2270c080faa5SSteven J. Hill select SYNC_R4K 227159d6ab86SRalf Baechle select MIPS_MT 227259d6ab86SRalf Baechle select SMP 227387353d8aSRalf Baechle select SMP_UP 2274c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2275c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2276399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 227759d6ab86SRalf Baechle help 2278c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2279c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2280c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2281c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2282c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 228359d6ab86SRalf Baechle 2284f41ae0b2SRalf Baechleconfig MIPS_MT 2285f41ae0b2SRalf Baechle bool 2286f41ae0b2SRalf Baechle 22870ab7aefcSRalf Baechleconfig SCHED_SMT 22880ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22890ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22900ab7aefcSRalf Baechle default n 22910ab7aefcSRalf Baechle help 22920ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 22930ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 22940ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 22950ab7aefcSRalf Baechle 22960ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22970ab7aefcSRalf Baechle bool 22980ab7aefcSRalf Baechle 2299f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2300f41ae0b2SRalf Baechle bool 2301f41ae0b2SRalf Baechle 2302f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2303f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2304f088fc84SRalf Baechle default y 2305b633648cSRalf Baechle depends on MIPS_MT_SMP 230607cc0c9eSRalf Baechle 2307b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2308b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23099eaa9a82SPaul Burton depends on CPU_MIPSR6 2310c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2311b0a668fbSLeonid Yegoshin default y 2312b0a668fbSLeonid Yegoshin help 2313b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2314b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 231507edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2316b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2317b0a668fbSLeonid Yegoshin final kernel image. 2318b0a668fbSLeonid Yegoshin 2319f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2320f35764e7SJames Hogan bool 2321f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2322f35764e7SJames Hogan help 2323f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2324f35764e7SJames Hogan physical_memsize. 2325f35764e7SJames Hogan 232607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 232707cc0c9eSRalf Baechle bool "VPE loader support." 2328f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 232907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 233007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 233107cc0c9eSRalf Baechle select MIPS_MT 233207cc0c9eSRalf Baechle help 233307cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 233407cc0c9eSRalf Baechle onto another VPE and running it. 2335f088fc84SRalf Baechle 233617a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 233717a1d523SDeng-Cheng Zhu bool 233817a1d523SDeng-Cheng Zhu default "y" 233917a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 234017a1d523SDeng-Cheng Zhu 23411a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23421a2a6d7eSDeng-Cheng Zhu bool 23431a2a6d7eSDeng-Cheng Zhu default "y" 23441a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23451a2a6d7eSDeng-Cheng Zhu 2346e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2347e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2348e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2349e01402b1SRalf Baechle default y 2350e01402b1SRalf Baechle help 2351e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2352e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2353e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2354e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2355e01402b1SRalf Baechle 2356e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2357e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2358e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2359e01402b1SRalf Baechle 2360da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2361da615cf6SDeng-Cheng Zhu bool 2362da615cf6SDeng-Cheng Zhu default "y" 2363da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2364da615cf6SDeng-Cheng Zhu 23652c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23662c973ef0SDeng-Cheng Zhu bool 23672c973ef0SDeng-Cheng Zhu default "y" 23682c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23692c973ef0SDeng-Cheng Zhu 23704a16ff4cSRalf Baechleconfig MIPS_CMP 23715cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23725676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2373b10b43baSMarkos Chandras select SMP 2374eb9b5141STim Anderson select SYNC_R4K 2375b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 23764a16ff4cSRalf Baechle select WEAK_ORDERING 23774a16ff4cSRalf Baechle default n 23784a16ff4cSRalf Baechle help 2379044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2380044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2381044505c7SPaul Burton its ability to start secondary CPUs. 23824a16ff4cSRalf Baechle 23835cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 23845cac93b3SPaul Burton instead of this. 23855cac93b3SPaul Burton 23860ee958e1SPaul Burtonconfig MIPS_CPS 23870ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 23885a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 23890ee958e1SPaul Burton select MIPS_CM 23901d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 23910ee958e1SPaul Burton select SMP 23920ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 23931d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2394c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 23950ee958e1SPaul Burton select SYS_SUPPORTS_SMP 23960ee958e1SPaul Burton select WEAK_ORDERING 2397d8d3276bSWei Li select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 23980ee958e1SPaul Burton help 23990ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24000ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24010ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24020ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24030ee958e1SPaul Burton support is unavailable. 24040ee958e1SPaul Burton 24053179d37eSPaul Burtonconfig MIPS_CPS_PM 240639a59593SMarkos Chandras depends on MIPS_CPS 24073179d37eSPaul Burton bool 24083179d37eSPaul Burton 24099f98f3ddSPaul Burtonconfig MIPS_CM 24109f98f3ddSPaul Burton bool 24113c9b4166SPaul Burton select MIPS_CPC 24129f98f3ddSPaul Burton 24139c38cf44SPaul Burtonconfig MIPS_CPC 24149c38cf44SPaul Burton bool 24152600990eSRalf Baechle 24161da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24171da177e4SLinus Torvalds bool 24181da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24191da177e4SLinus Torvalds default y 24201da177e4SLinus Torvalds 24211da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24221da177e4SLinus Torvalds bool 24231da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24241da177e4SLinus Torvalds default y 24251da177e4SLinus Torvalds 24269e2b5372SMarkos Chandraschoice 24279e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24289e2b5372SMarkos Chandras 24299e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24309e2b5372SMarkos Chandras bool "None" 24319e2b5372SMarkos Chandras help 24329e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24339e2b5372SMarkos Chandras 24349693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24359693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24369e2b5372SMarkos Chandras bool "SmartMIPS" 24379693a853SFranck Bui-Huu help 24389693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24399693a853SFranck Bui-Huu increased security at both hardware and software level for 24409693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24419693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24429693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24439693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24449693a853SFranck Bui-Huu here. 24459693a853SFranck Bui-Huu 2446bce86083SSteven J. Hillconfig CPU_MICROMIPS 24477fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24489e2b5372SMarkos Chandras bool "microMIPS" 2449bce86083SSteven J. Hill help 2450bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2451bce86083SSteven J. Hill microMIPS ISA 2452bce86083SSteven J. Hill 24539e2b5372SMarkos Chandrasendchoice 24549e2b5372SMarkos Chandras 2455a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24560ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2457a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2458c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 24592a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2460a5e9a69eSPaul Burton help 2461a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2462a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24631db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24641db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24651db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24661db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24671db1af84SPaul Burton the size & complexity of your kernel. 2468a5e9a69eSPaul Burton 2469a5e9a69eSPaul Burton If unsure, say Y. 2470a5e9a69eSPaul Burton 24711da177e4SLinus Torvaldsconfig CPU_HAS_WB 2472f7062ddbSRalf Baechle bool 2473e01402b1SRalf Baechle 2474df0ac8a4SKevin Cernekeeconfig XKS01 2475df0ac8a4SKevin Cernekee bool 2476df0ac8a4SKevin Cernekee 2477ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI 2478ba9196d2SJiaxun Yang depends on !CPU_DIEI_BROKEN 2479ba9196d2SJiaxun Yang bool 2480ba9196d2SJiaxun Yang 2481ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN 2482ba9196d2SJiaxun Yang bool 2483ba9196d2SJiaxun Yang 24848256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 24858256b17eSFlorian Fainelli bool 24868256b17eSFlorian Fainelli 248718d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR 2488932afdeeSYasha Cherikovsky bool 2489932afdeeSYasha Cherikovsky help 249018d84e2eSAlexander Lobakin CPU lacks support for unaligned load and store instructions: 2491932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 249218d84e2eSAlexander Lobakin LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 249318d84e2eSAlexander Lobakin systems). 2494932afdeeSYasha Cherikovsky 2495f41ae0b2SRalf Baechle# 2496f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2497f41ae0b2SRalf Baechle# 2498e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2499f41ae0b2SRalf Baechle bool 2500e01402b1SRalf Baechle 2501f41ae0b2SRalf Baechle# 2502f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2503f41ae0b2SRalf Baechle# 2504e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2505f41ae0b2SRalf Baechle bool 2506e01402b1SRalf Baechle 25071da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25081da177e4SLinus Torvalds bool 25091da177e4SLinus Torvalds depends on !CPU_R3000 25101da177e4SLinus Torvalds default y 25111da177e4SLinus Torvalds 25121da177e4SLinus Torvalds# 251320d60d99SMaciej W. Rozycki# CPU non-features 251420d60d99SMaciej W. Rozycki# 251520d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 251620d60d99SMaciej W. Rozycki bool 251720d60d99SMaciej W. Rozycki 251820d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 251920d60d99SMaciej W. Rozycki bool 252020d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 252120d60d99SMaciej W. Rozycki 252220d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 252320d60d99SMaciej W. Rozycki bool 252420d60d99SMaciej W. Rozycki 2525071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2526071d2f0bSPaul Burton bool 2527071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2528071d2f0bSPaul Burton 25294edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25304edf00a4SPaul Burton int 25314edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25324edf00a4SPaul Burton default 0 25334edf00a4SPaul Burton 25344edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25354edf00a4SPaul Burton int 25362db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25374edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25384edf00a4SPaul Burton default 8 25394edf00a4SPaul Burton 25402db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25412db003a5SPaul Burton bool 25422db003a5SPaul Burton 25434a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25444a5dc51eSMarcin Nowakowski bool 25454a5dc51eSMarcin Nowakowski 2546802b8362SThomas Bogendoerfer# R4600 erratum. Due to the lack of errata information the exact 2547802b8362SThomas Bogendoerfer# technical details aren't known. I've experimentally found that disabling 2548802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal 2549802b8362SThomas Bogendoerfer# with the issue. 2550802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP 2551802b8362SThomas Bogendoerfer bool 2552802b8362SThomas Bogendoerfer 25535e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata: 25545e5b6527SThomas Bogendoerfer# 25555e5b6527SThomas Bogendoerfer# 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D, 25565e5b6527SThomas Bogendoerfer# Hit_Invalidate_D and Create_Dirty_Excl_D should only be 25575e5b6527SThomas Bogendoerfer# executed if there is no other dcache activity. If the dcache is 255818ff14c8SColin Ian King# accessed for another instruction immediately preceding when these 25595e5b6527SThomas Bogendoerfer# cache instructions are executing, it is possible that the dcache 25605e5b6527SThomas Bogendoerfer# tag match outputs used by these cache instructions will be 25615e5b6527SThomas Bogendoerfer# incorrect. These cache instructions should be preceded by at least 25625e5b6527SThomas Bogendoerfer# four instructions that are not any kind of load or store 25635e5b6527SThomas Bogendoerfer# instruction. 25645e5b6527SThomas Bogendoerfer# 25655e5b6527SThomas Bogendoerfer# This is not allowed: lw 25665e5b6527SThomas Bogendoerfer# nop 25675e5b6527SThomas Bogendoerfer# nop 25685e5b6527SThomas Bogendoerfer# nop 25695e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 25705e5b6527SThomas Bogendoerfer# 25715e5b6527SThomas Bogendoerfer# This is allowed: lw 25725e5b6527SThomas Bogendoerfer# nop 25735e5b6527SThomas Bogendoerfer# nop 25745e5b6527SThomas Bogendoerfer# nop 25755e5b6527SThomas Bogendoerfer# nop 25765e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 25775e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP 25785e5b6527SThomas Bogendoerfer bool 25795e5b6527SThomas Bogendoerfer 258044def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA. 258144def342SThomas Bogendoerfer# 258244def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D, 258344def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only 258444def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty. These 258544def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss 258644def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer." 258744def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/ 258844def342SThomas Bogendoerfer# in .pdf format.) 258944def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP 259044def342SThomas Bogendoerfer bool 259144def342SThomas Bogendoerfer 259224a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for 259324a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following 259424a1c023SThomas Bogendoerfer# operation is not guaranteed." 259524a1c023SThomas Bogendoerfer# 259624a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I 259724a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV 259824a1c023SThomas Bogendoerfer bool 259924a1c023SThomas Bogendoerfer 2600886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra 2601886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same 2602886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious 2603886ee136SThomas Bogendoerfer# exceptions. 2604886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS 2605886ee136SThomas Bogendoerfer bool 2606886ee136SThomas Bogendoerfer 2607256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that 2608256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically. 2609256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC 2610256ec489SThomas Bogendoerfer bool 2611256ec489SThomas Bogendoerfer 2612a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction" 2613a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB 2614a7fbed98SThomas Bogendoerfer bool 2615a7fbed98SThomas Bogendoerfer 261620d60d99SMaciej W. Rozycki# 26171da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26181da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26191da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26201da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26211da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26221da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26231da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26241da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2625797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2626797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2627797798c1SRalf Baechle# support. 26281da177e4SLinus Torvalds# 26291da177e4SLinus Torvaldsconfig HIGHMEM 26301da177e4SLinus Torvalds bool "High Memory Support" 2631a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2632a4c33e83SThomas Gleixner select KMAP_LOCAL 2633797798c1SRalf Baechle 2634797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2635797798c1SRalf Baechle bool 2636797798c1SRalf Baechle 2637797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2638797798c1SRalf Baechle bool 26391da177e4SLinus Torvalds 26409693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26419693a853SFranck Bui-Huu bool 26429693a853SFranck Bui-Huu 2643a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2644a6a4834cSSteven J. Hill bool 2645a6a4834cSSteven J. Hill 2646377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2647377cb1b6SRalf Baechle bool 2648377cb1b6SRalf Baechle help 2649377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2650377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2651377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2652377cb1b6SRalf Baechle 2653a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2654a5e9a69eSPaul Burton bool 2655a5e9a69eSPaul Burton 2656b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2657b4819b59SYoichi Yuasa def_bool y 2658268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2659b4819b59SYoichi Yuasa 2660b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2661b1c6cd42SAtsushi Nemoto bool 2662397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 266331473747SAtsushi Nemoto 2664d8cb4e11SRalf Baechleconfig NUMA 2665d8cb4e11SRalf Baechle bool "NUMA Support" 2666d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2667cf8194e4STiezhu Yang select SMP 2668d8cb4e11SRalf Baechle help 2669d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2670d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2671d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2672172a37e9SRandy Dunlap leave it disabled; on single node systems leave this option 2673d8cb4e11SRalf Baechle disabled. 2674d8cb4e11SRalf Baechle 2675d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2676d8cb4e11SRalf Baechle bool 2677d8cb4e11SRalf Baechle 2678f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA 2679f3c560a6SThomas Bogendoerfer def_bool y 2680f3c560a6SThomas Bogendoerfer depends on NUMA 2681f3c560a6SThomas Bogendoerfer 2682f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK 2683f3c560a6SThomas Bogendoerfer def_bool y 2684f3c560a6SThomas Bogendoerfer depends on NUMA 2685f3c560a6SThomas Bogendoerfer 26868c530ea3SMatt Redfearnconfig RELOCATABLE 26878c530ea3SMatt Redfearn bool "Relocatable kernel" 2688ab7c01fdSSerge Semin depends on SYS_SUPPORTS_RELOCATABLE 2689ab7c01fdSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2690ab7c01fdSSerge Semin CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2691ab7c01fdSSerge Semin CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2692a307a4ceSJinyang He CPU_P5600 || CAVIUM_OCTEON_SOC || \ 2693a307a4ceSJinyang He CPU_LOONGSON64 26948c530ea3SMatt Redfearn help 26958c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26968c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26978c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26988c530ea3SMatt Redfearn but are discarded at runtime 26998c530ea3SMatt Redfearn 2700069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2701069fd766SMatt Redfearn hex "Relocation table size" 2702069fd766SMatt Redfearn depends on RELOCATABLE 2703069fd766SMatt Redfearn range 0x0 0x01000000 2704a307a4ceSJinyang He default "0x00200000" if CPU_LOONGSON64 2705069fd766SMatt Redfearn default "0x00100000" 2706a7f7f624SMasahiro Yamada help 2707069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2708069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2709069fd766SMatt Redfearn 2710069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2711069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2712069fd766SMatt Redfearn 2713069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2714069fd766SMatt Redfearn 2715069fd766SMatt Redfearn If unsure, leave at the default value. 2716069fd766SMatt Redfearn 2717405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2718405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2719405bc8fdSMatt Redfearn depends on RELOCATABLE 2720a7f7f624SMasahiro Yamada help 2721405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2722405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2723405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2724405bc8fdSMatt Redfearn of kernel internals. 2725405bc8fdSMatt Redfearn 2726405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2727405bc8fdSMatt Redfearn 2728405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2729405bc8fdSMatt Redfearn 2730405bc8fdSMatt Redfearn If unsure, say N. 2731405bc8fdSMatt Redfearn 2732405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2733405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2734405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2735405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2736405bc8fdSMatt Redfearn range 0x0 0x08000000 2737405bc8fdSMatt Redfearn default "0x01000000" 2738a7f7f624SMasahiro Yamada help 2739405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2740405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2741405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2742405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2743405bc8fdSMatt Redfearn 2744405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2745405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2746405bc8fdSMatt Redfearn 2747c80d79d7SYasunori Gotoconfig NODES_SHIFT 2748c80d79d7SYasunori Goto int 2749c80d79d7SYasunori Goto default "6" 2750a9ee6cf5SMike Rapoport depends on NUMA 2751c80d79d7SYasunori Goto 275214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 275314f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 275495b8a5e0SThomas Bogendoerfer depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64) 275514f70012SDeng-Cheng Zhu default y 275614f70012SDeng-Cheng Zhu help 275714f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 275814f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 275914f70012SDeng-Cheng Zhu 2760be8fa1cbSTiezhu Yangconfig DMI 2761be8fa1cbSTiezhu Yang bool "Enable DMI scanning" 2762be8fa1cbSTiezhu Yang depends on MACH_LOONGSON64 2763be8fa1cbSTiezhu Yang select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2764be8fa1cbSTiezhu Yang default y 2765be8fa1cbSTiezhu Yang help 2766be8fa1cbSTiezhu Yang Enabled scanning of DMI to identify machine quirks. Say Y 2767be8fa1cbSTiezhu Yang here unless you have verified that your setup is not 2768be8fa1cbSTiezhu Yang affected by entries in the DMI blacklist. Required by PNP 2769be8fa1cbSTiezhu Yang BIOS code. 2770be8fa1cbSTiezhu Yang 27711da177e4SLinus Torvaldsconfig SMP 27721da177e4SLinus Torvalds bool "Multi-Processing support" 2773e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2774e73ea273SRalf Baechle help 27751da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27764a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27774a474157SRobert Graffham than one CPU, say Y. 27781da177e4SLinus Torvalds 27794a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27801da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27811da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27824a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27831da177e4SLinus Torvalds will run faster if you say N here. 27841da177e4SLinus Torvalds 27851da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27861da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27871da177e4SLinus Torvalds 278803502faaSAdrian Bunk See also the SMP-HOWTO available at 2789ef054ad3SAlexander A. Klimov <https://www.tldp.org/docs.html#howto>. 27901da177e4SLinus Torvalds 27911da177e4SLinus Torvalds If you don't know what to do here, say N. 27921da177e4SLinus Torvalds 27937840d618SMatt Redfearnconfig HOTPLUG_CPU 27947840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27957840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27967840d618SMatt Redfearn help 27977840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27987840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27997840d618SMatt Redfearn (Note: power management support will enable this option 28007840d618SMatt Redfearn automatically on SMP systems. ) 28017840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 28027840d618SMatt Redfearn 280387353d8aSRalf Baechleconfig SMP_UP 280487353d8aSRalf Baechle bool 280587353d8aSRalf Baechle 28064a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 28074a16ff4cSRalf Baechle bool 28084a16ff4cSRalf Baechle 28090ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 28100ee958e1SPaul Burton bool 28110ee958e1SPaul Burton 2812e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2813e73ea273SRalf Baechle bool 2814e73ea273SRalf Baechle 2815130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2816130e2fb7SRalf Baechle bool 2817130e2fb7SRalf Baechle 2818130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2819130e2fb7SRalf Baechle bool 2820130e2fb7SRalf Baechle 2821130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2822130e2fb7SRalf Baechle bool 2823130e2fb7SRalf Baechle 2824130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2825130e2fb7SRalf Baechle bool 2826130e2fb7SRalf Baechle 2827130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2828130e2fb7SRalf Baechle bool 2829130e2fb7SRalf Baechle 28301da177e4SLinus Torvaldsconfig NR_CPUS 2831a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2832a91796a9SJayachandran C range 2 256 28331da177e4SLinus Torvalds depends on SMP 2834130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2835130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2836130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2837130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2838130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28391da177e4SLinus Torvalds help 28401da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28411da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28421da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 284372ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 284472ede9b1SAtsushi Nemoto and 2 for all others. 28451da177e4SLinus Torvalds 28461da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 284772ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 284872ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 284972ede9b1SAtsushi Nemoto power of two. 28501da177e4SLinus Torvalds 2851399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2852399aaa25SAl Cooper bool 2853399aaa25SAl Cooper 28547820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28557820b84bSDavid Daney bool 28567820b84bSDavid Daney 28577820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28587820b84bSDavid Daney int 28597820b84bSDavid Daney depends on SMP 28607820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28617820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28627820b84bSDavid Daney 28631723b4a3SAtsushi Nemoto# 28641723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28651723b4a3SAtsushi Nemoto# 28661723b4a3SAtsushi Nemoto 28671723b4a3SAtsushi Nemotochoice 28681723b4a3SAtsushi Nemoto prompt "Timer frequency" 28691723b4a3SAtsushi Nemoto default HZ_250 28701723b4a3SAtsushi Nemoto help 28711723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28721723b4a3SAtsushi Nemoto 287367596573SPaul Burton config HZ_24 287467596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 287567596573SPaul Burton 28761723b4a3SAtsushi Nemoto config HZ_48 28770f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28781723b4a3SAtsushi Nemoto 28791723b4a3SAtsushi Nemoto config HZ_100 28801723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28811723b4a3SAtsushi Nemoto 28821723b4a3SAtsushi Nemoto config HZ_128 28831723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28841723b4a3SAtsushi Nemoto 28851723b4a3SAtsushi Nemoto config HZ_250 28861723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28871723b4a3SAtsushi Nemoto 28881723b4a3SAtsushi Nemoto config HZ_256 28891723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28901723b4a3SAtsushi Nemoto 28911723b4a3SAtsushi Nemoto config HZ_1000 28921723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28931723b4a3SAtsushi Nemoto 28941723b4a3SAtsushi Nemoto config HZ_1024 28951723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28961723b4a3SAtsushi Nemoto 28971723b4a3SAtsushi Nemotoendchoice 28981723b4a3SAtsushi Nemoto 289967596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 290067596573SPaul Burton bool 290167596573SPaul Burton 29021723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 29031723b4a3SAtsushi Nemoto bool 29041723b4a3SAtsushi Nemoto 29051723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 29061723b4a3SAtsushi Nemoto bool 29071723b4a3SAtsushi Nemoto 29081723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 29091723b4a3SAtsushi Nemoto bool 29101723b4a3SAtsushi Nemoto 29111723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29121723b4a3SAtsushi Nemoto bool 29131723b4a3SAtsushi Nemoto 29141723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29151723b4a3SAtsushi Nemoto bool 29161723b4a3SAtsushi Nemoto 29171723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29181723b4a3SAtsushi Nemoto bool 29191723b4a3SAtsushi Nemoto 29201723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29211723b4a3SAtsushi Nemoto bool 29221723b4a3SAtsushi Nemoto 29231723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29241723b4a3SAtsushi Nemoto bool 292567596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 292667596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 292767596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 292867596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 292967596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 293067596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 293167596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29321723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29331723b4a3SAtsushi Nemoto 29341723b4a3SAtsushi Nemotoconfig HZ 29351723b4a3SAtsushi Nemoto int 293667596573SPaul Burton default 24 if HZ_24 29371723b4a3SAtsushi Nemoto default 48 if HZ_48 29381723b4a3SAtsushi Nemoto default 100 if HZ_100 29391723b4a3SAtsushi Nemoto default 128 if HZ_128 29401723b4a3SAtsushi Nemoto default 250 if HZ_250 29411723b4a3SAtsushi Nemoto default 256 if HZ_256 29421723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29431723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29441723b4a3SAtsushi Nemoto 294596685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 294696685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 294796685b17SDeng-Cheng Zhu 2948ea6e942bSAtsushi Nemotoconfig KEXEC 29497d60717eSKees Cook bool "Kexec system call" 29502965faa5SDave Young select KEXEC_CORE 2951ea6e942bSAtsushi Nemoto help 2952ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2953ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29543dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2955ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2956ea6e942bSAtsushi Nemoto 295701dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2958ea6e942bSAtsushi Nemoto 2959ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2960ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2961bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2962bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2963bf220695SGeert Uytterhoeven made. 2964ea6e942bSAtsushi Nemoto 29657aa1c8f4SRalf Baechleconfig CRASH_DUMP 29667aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29677aa1c8f4SRalf Baechle help 29687aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29697aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29707aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29717aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29727aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29737aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29747aa1c8f4SRalf Baechle PHYSICAL_START. 29757aa1c8f4SRalf Baechle 29767aa1c8f4SRalf Baechleconfig PHYSICAL_START 29777aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29788bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29797aa1c8f4SRalf Baechle depends on CRASH_DUMP 29807aa1c8f4SRalf Baechle help 29817aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29827aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29837aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29847aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29857aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29867aa1c8f4SRalf Baechle 2987597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2988b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2989597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2990597ce172SPaul Burton help 2991597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2992597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2993597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2994597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2995597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2996597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2997597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2998597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2999597ce172SPaul Burton saying N here. 3000597ce172SPaul Burton 300106e2e882SPaul Burton Although binutils currently supports use of this flag the details 300206e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 300318ff14c8SColin Ian King worked on. In order to avoid userland becoming dependent upon current 300406e2e882SPaul Burton behaviour before the details have been finalised, this option should 300506e2e882SPaul Burton be considered experimental and only enabled by those working upon 300606e2e882SPaul Burton said details. 300706e2e882SPaul Burton 300806e2e882SPaul Burton If unsure, say N. 3009597ce172SPaul Burton 3010f2ffa5abSDezhong Diaoconfig USE_OF 30110b3e06fdSJonas Gorski bool 3012f2ffa5abSDezhong Diao select OF 3013e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3014abd2363fSGrant Likely select IRQ_DOMAIN 3015f2ffa5abSDezhong Diao 30162fe8ea39SDengcheng Zhuconfig UHI_BOOT 30172fe8ea39SDengcheng Zhu bool 30182fe8ea39SDengcheng Zhu 30197fafb068SAndrew Brestickerconfig BUILTIN_DTB 30207fafb068SAndrew Bresticker bool 30217fafb068SAndrew Bresticker 30221da8f179SJonas Gorskichoice 30235b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30241da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30251da8f179SJonas Gorski 30261da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30271da8f179SJonas Gorski bool "None" 30281da8f179SJonas Gorski help 30291da8f179SJonas Gorski Do not enable appended dtb support. 30301da8f179SJonas Gorski 303187db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 303287db537dSAaro Koskinen bool "vmlinux" 303387db537dSAaro Koskinen help 303487db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 303587db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 303687db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 303787db537dSAaro Koskinen objcopy: 303887db537dSAaro Koskinen 303987db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 304087db537dSAaro Koskinen 304118ff14c8SColin Ian King This is meant as a backward compatibility convenience for those 304287db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 304387db537dSAaro Koskinen the documented boot protocol using a device tree. 304487db537dSAaro Koskinen 30451da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3046b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30471da8f179SJonas Gorski help 30481da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3049b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30501da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30511da8f179SJonas Gorski 30521da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30531da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30541da8f179SJonas Gorski the documented boot protocol using a device tree. 30551da8f179SJonas Gorski 30561da8f179SJonas Gorski Beware that there is very little in terms of protection against 30571da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30581da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30591da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30601da8f179SJonas Gorski if you don't intend to always append a DTB. 30611da8f179SJonas Gorskiendchoice 30621da8f179SJonas Gorski 30632024972eSJonas Gorskichoice 30642024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30652bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 306687fcfa7bSJiaxun Yang !MACH_LOONGSON64 && !MIPS_MALTA && \ 30672bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30682024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30692024972eSJonas Gorski 30702024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30712024972eSJonas Gorski depends on USE_OF 30722024972eSJonas Gorski bool "Dtb kernel arguments if available" 30732024972eSJonas Gorski 30742024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30752024972eSJonas Gorski depends on USE_OF 30762024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30772024972eSJonas Gorski 30782024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30792024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3080ed47e153SRabin Vincent 3081ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3082ed47e153SRabin Vincent depends on CMDLINE_BOOL 3083ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30842024972eSJonas Gorskiendchoice 30852024972eSJonas Gorski 30865e83d430SRalf Baechleendmenu 30875e83d430SRalf Baechle 30881df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30891df0f0ffSAtsushi Nemoto bool 30901df0f0ffSAtsushi Nemoto default y 30911df0f0ffSAtsushi Nemoto 30921df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30931df0f0ffSAtsushi Nemoto bool 30941df0f0ffSAtsushi Nemoto default y 30951df0f0ffSAtsushi Nemoto 3096a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3097a728ab52SKirill A. Shutemov int 30983377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 309941ce097fSHuang Pei default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48) 3100a728ab52SKirill A. Shutemov default 2 3101a728ab52SKirill A. Shutemov 31026c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 31036c359eb1SPaul Burton bool 31046c359eb1SPaul Burton 31051da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31061da177e4SLinus Torvalds 3107c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31082eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3109c5611df9SPaul Burton bool 3110c5611df9SPaul Burton 3111c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3112c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3113c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31142eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31151da177e4SLinus Torvalds 31161da177e4SLinus Torvalds# 31171da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31181da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31191da177e4SLinus Torvalds# users to choose the right thing ... 31201da177e4SLinus Torvalds# 31211da177e4SLinus Torvaldsconfig ISA 31221da177e4SLinus Torvalds bool 31231da177e4SLinus Torvalds 31241da177e4SLinus Torvaldsconfig TC 31251da177e4SLinus Torvalds bool "TURBOchannel support" 31261da177e4SLinus Torvalds depends on MACH_DECSTATION 31271da177e4SLinus Torvalds help 312850a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 312950a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 313050a23e6eSJustin P. Mattock at: 313150a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 313250a23e6eSJustin P. Mattock and: 313350a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 313450a23e6eSJustin P. Mattock Linux driver support status is documented at: 313550a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31361da177e4SLinus Torvalds 31371da177e4SLinus Torvaldsconfig MMU 31381da177e4SLinus Torvalds bool 31391da177e4SLinus Torvalds default y 31401da177e4SLinus Torvalds 3141109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3142109c32ffSMatt Redfearn default 12 if 64BIT 3143109c32ffSMatt Redfearn default 8 3144109c32ffSMatt Redfearn 3145109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3146109c32ffSMatt Redfearn default 18 if 64BIT 3147109c32ffSMatt Redfearn default 15 3148109c32ffSMatt Redfearn 3149109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3150109c32ffSMatt Redfearn default 8 3151109c32ffSMatt Redfearn 3152109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3153109c32ffSMatt Redfearn default 15 3154109c32ffSMatt Redfearn 3155d865bea4SRalf Baechleconfig I8253 3156d865bea4SRalf Baechle bool 3157798778b8SRussell King select CLKSRC_I8253 31582d02612fSThomas Gleixner select CLKEVT_I8253 31599726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 31601da177e4SLinus Torvaldsendmenu 31611da177e4SLinus Torvalds 31621da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31631da177e4SLinus Torvalds bool 31641da177e4SLinus Torvalds 31651da177e4SLinus Torvaldsconfig MIPS32_COMPAT 316678aaf956SRalf Baechle bool 31671da177e4SLinus Torvalds 31681da177e4SLinus Torvaldsconfig COMPAT 31691da177e4SLinus Torvalds bool 31701da177e4SLinus Torvalds 317105e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 317205e43966SAtsushi Nemoto bool 317305e43966SAtsushi Nemoto 31741da177e4SLinus Torvaldsconfig MIPS32_O32 31751da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 317678aaf956SRalf Baechle depends on 64BIT 317778aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 317878aaf956SRalf Baechle select COMPAT 317978aaf956SRalf Baechle select MIPS32_COMPAT 318078aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31811da177e4SLinus Torvalds help 31821da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31831da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31841da177e4SLinus Torvalds existing binaries are in this format. 31851da177e4SLinus Torvalds 31861da177e4SLinus Torvalds If unsure, say Y. 31871da177e4SLinus Torvalds 31881da177e4SLinus Torvaldsconfig MIPS32_N32 31891da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3190c22eacfeSRalf Baechle depends on 64BIT 31915a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 319278aaf956SRalf Baechle select COMPAT 319378aaf956SRalf Baechle select MIPS32_COMPAT 319478aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31951da177e4SLinus Torvalds help 31961da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31971da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31981da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31991da177e4SLinus Torvalds cases. 32001da177e4SLinus Torvalds 32011da177e4SLinus Torvalds If unsure, say N. 32021da177e4SLinus Torvalds 32032116245eSRalf Baechlemenu "Power management options" 3204952fa954SRodolfo Giometti 3205363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3206363c55caSWu Zhangjin def_bool y 32073f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3208363c55caSWu Zhangjin 3209f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3210f4cb5700SJohannes Berg def_bool y 32113f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3212f4cb5700SJohannes Berg 32132116245eSRalf Baechlesource "kernel/power/Kconfig" 3214952fa954SRodolfo Giometti 32151da177e4SLinus Torvaldsendmenu 32161da177e4SLinus Torvalds 32177a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32187a998935SViresh Kumar bool 32197a998935SViresh Kumar 32207a998935SViresh Kumarmenu "CPU Power Management" 3221c095ebafSPaul Burton 3222c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32237a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32247a998935SViresh Kumarendif 32259726b43aSWu Zhangjin 3226c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3227c095ebafSPaul Burton 3228c095ebafSPaul Burtonendmenu 3229c095ebafSPaul Burton 32302235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3231e91946d6SNathan Chancellor 3232e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig" 3233