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) 1212597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 131e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 148b3165e5SXingxing Su select ARCH_HAS_GCOV_PROFILE_ALL 15c55944ccSNick Desaulniers select ARCH_KEEP_MEMBLOCK 1612597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 171ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1812597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 19dce44566SAnshuman Khandual select ARCH_USE_MEMTEST 2025da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 210b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 22855f9a8eSAnshuman Khandual select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES 239035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 2412597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 25d3a4e0f1SAlexander Lobakin select ARCH_WANT_LD_ORPHAN_WARN 2610916706SShile Zhang select BUILDTIME_TABLE_SORT 2712597988SMatt Redfearn select CLONE_BACKWARDS 2857eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 2912597988SMatt Redfearn select CPU_PM if CPU_IDLE 3012597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 3112597988SMatt Redfearn select GENERIC_CMOS_UPDATE 3212597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 33bab1dde3SAlexander Lobakin select GENERIC_FIND_FIRST_BIT 3424640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 35b962aeb0SPaul Burton select GENERIC_IOMAP 3612597988SMatt Redfearn select GENERIC_IRQ_PROBE 3712597988SMatt Redfearn select GENERIC_IRQ_SHOW 386630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 39740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 40740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 41740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 42740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 43740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 4412597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 4512597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 4612597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 47446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 4812597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 49906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 5012597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 5142b20995SArnd Bergmann select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT 52109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 53109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 54490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 55c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 5645e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 572ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 5836366e36SPaul Burton select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS 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 6634c01e41SAlexander Lobakin select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2 6712597988SMatt Redfearn select HAVE_EXIT_THREAD 6867a929e0SChristoph Hellwig select HAVE_FAST_GUP 6912597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 7029c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 7112597988SMatt Redfearn select HAVE_FUNCTION_TRACER 7234c01e41SAlexander Lobakin select HAVE_GCC_PLUGINS 7334c01e41SAlexander Lobakin select HAVE_GENERIC_VDSO 7412597988SMatt Redfearn select HAVE_IDE 75b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 7612597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 7712597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 78c1bf207dSDavid Daney select HAVE_KPROBES 79c1bf207dSDavid Daney select HAVE_KRETPROBES 80c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 81786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 8242a0bb3fSPetr Mladek select HAVE_NMI 8312597988SMatt Redfearn select HAVE_PERF_EVENTS 841ddc96bdSTiezhu Yang select HAVE_PERF_REGS 851ddc96bdSTiezhu Yang select HAVE_PERF_USER_STACK_DUMP 8608bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 879ea141adSPaul Burton select HAVE_RSEQ 8816c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 89d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 9012597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 91a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 9212597988SMatt Redfearn select IRQ_FORCED_THREADING 936630a8e5SChristoph Hellwig select ISA if EISA 9412597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 9534c01e41SAlexander Lobakin select MODULES_USE_ELF_RELA if MODULES && 64BIT 9612597988SMatt Redfearn select PERF_USE_VMALLOC 97981aa1d3SThomas Gleixner select PCI_MSI_ARCH_FALLBACKS if PCI_MSI 9805a0a344SArnd Bergmann select RTC_LIB 9912597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 10012597988SMatt Redfearn select VIRT_TO_BUS 1010bb87f05SAl Viro select ARCH_HAS_ELFCORE_COMPAT 1021da177e4SLinus Torvalds 103d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR 104d3991572SChristoph Hellwig bool 105d3991572SChristoph Hellwig 106c434b9f8SPaul Cercueilconfig MIPS_GENERIC 107c434b9f8SPaul Cercueil bool 108c434b9f8SPaul Cercueil 109f0f4a753SPaul Cercueilconfig MACH_INGENIC 110f0f4a753SPaul Cercueil bool 111f0f4a753SPaul Cercueil select SYS_SUPPORTS_32BIT_KERNEL 112f0f4a753SPaul Cercueil select SYS_SUPPORTS_LITTLE_ENDIAN 113f0f4a753SPaul Cercueil select SYS_SUPPORTS_ZBOOT 114f0f4a753SPaul Cercueil select DMA_NONCOHERENT 115*1660710cSPaul Cercueil select ARCH_HAS_SYNC_DMA_FOR_CPU 116f0f4a753SPaul Cercueil select IRQ_MIPS_CPU 117f0f4a753SPaul Cercueil select PINCTRL 118f0f4a753SPaul Cercueil select GPIOLIB 119f0f4a753SPaul Cercueil select COMMON_CLK 120f0f4a753SPaul Cercueil select GENERIC_IRQ_CHIP 121f0f4a753SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 122f0f4a753SPaul Cercueil select USE_OF 123f0f4a753SPaul Cercueil select CPU_SUPPORTS_CPUFREQ 124f0f4a753SPaul Cercueil select MIPS_EXTERNAL_TIMER 125f0f4a753SPaul Cercueil 1261da177e4SLinus Torvaldsmenu "Machine selection" 1271da177e4SLinus Torvalds 1285e83d430SRalf Baechlechoice 1295e83d430SRalf Baechle prompt "System type" 130c434b9f8SPaul Cercueil default MIPS_GENERIC_KERNEL 1311da177e4SLinus Torvalds 132c434b9f8SPaul Cercueilconfig MIPS_GENERIC_KERNEL 133eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 1344e066441SChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 135c434b9f8SPaul Cercueil select MIPS_GENERIC 136eed0eabdSPaul Burton select BOOT_RAW 137eed0eabdSPaul Burton select BUILTIN_DTB 138eed0eabdSPaul Burton select CEVT_R4K 139eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 140eed0eabdSPaul Burton select COMMON_CLK 141eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 14234c01e41SAlexander Lobakin select CPU_MIPSR2_IRQ_VI 143eed0eabdSPaul Burton select CSRC_R4K 1444e066441SChristoph Hellwig select DMA_NONCOHERENT 145eb01d42aSChristoph Hellwig select HAVE_PCI 146eed0eabdSPaul Burton select IRQ_MIPS_CPU 1470211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 148eed0eabdSPaul Burton select MIPS_CPU_SCACHE 149eed0eabdSPaul Burton select MIPS_GIC 150eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 151eed0eabdSPaul Burton select NO_EXCEPT_FILL 152eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 153eed0eabdSPaul Burton select SMP_UP if SMP 154a3078e59SMatt Redfearn select SWAP_IO_SPACE 155eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 156eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 157eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 158eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 159eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 160eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 161eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 162eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 163eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 164eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 165eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 166eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 167eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 16834c01e41SAlexander Lobakin select SYS_SUPPORTS_MIPS_CPS 169eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 170eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 171eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 172c3e2ee65SPaul Cercueil select SYS_SUPPORTS_ZBOOT 17334c01e41SAlexander Lobakin select UHI_BOOT 1742e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1752e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1762e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1772e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1782e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1792e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 180eed0eabdSPaul Burton select USE_OF 181eed0eabdSPaul Burton help 182eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 183eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 184eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 185eed0eabdSPaul Burton Interface) specification. 186eed0eabdSPaul Burton 18742a4f17dSManuel Laussconfig MIPS_ALCHEMY 188c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 189d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 190f772cdb2SRalf Baechle select CEVT_R4K 191d7ea335cSSteven J. Hill select CSRC_R4K 19267e38cf2SRalf Baechle select IRQ_MIPS_CPU 193a86497d6SChristoph Hellwig select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is 194d3991572SChristoph Hellwig select MIPS_FIXUP_BIGPHYS_ADDR if PCI 19542a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 19642a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 19742a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 198d30a2b47SLinus Walleij select GPIOLIB 1991b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 20047440229SManuel Lauss select COMMON_CLK 2011da177e4SLinus Torvalds 2027ca5dc14SFlorian Fainelliconfig AR7 2037ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 2047ca5dc14SFlorian Fainelli select BOOT_ELF32 2057ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 2067ca5dc14SFlorian Fainelli select CEVT_R4K 2077ca5dc14SFlorian Fainelli select CSRC_R4K 20867e38cf2SRalf Baechle select IRQ_MIPS_CPU 2097ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 2107ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 2117ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 2127ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 2137ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 2147ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 215377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2161b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 217d30a2b47SLinus Walleij select GPIOLIB 2187ca5dc14SFlorian Fainelli select VLYNQ 219bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 2207ca5dc14SFlorian Fainelli help 2217ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 2227ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 2237ca5dc14SFlorian Fainelli 22443cc739fSSergey Ryazanovconfig ATH25 22543cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 22643cc739fSSergey Ryazanov select CEVT_R4K 22743cc739fSSergey Ryazanov select CSRC_R4K 22843cc739fSSergey Ryazanov select DMA_NONCOHERENT 22967e38cf2SRalf Baechle select IRQ_MIPS_CPU 2301753e74eSSergey Ryazanov select IRQ_DOMAIN 23143cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 23243cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 23343cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 2348aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 23543cc739fSSergey Ryazanov help 23643cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 23743cc739fSSergey Ryazanov 238d4a67d9dSGabor Juhosconfig ATH79 239d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 240ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 241d4a67d9dSGabor Juhos select BOOT_RAW 242d4a67d9dSGabor Juhos select CEVT_R4K 243d4a67d9dSGabor Juhos select CSRC_R4K 244d4a67d9dSGabor Juhos select DMA_NONCOHERENT 245d30a2b47SLinus Walleij select GPIOLIB 246a08227a2SJohn Crispin select PINCTRL 247411520afSAlban Bedel select COMMON_CLK 24867e38cf2SRalf Baechle select IRQ_MIPS_CPU 249d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 250d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 251d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 252d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 253377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 254b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 25503c8c407SAlban Bedel select USE_OF 25653d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 257d4a67d9dSGabor Juhos help 258d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 259d4a67d9dSGabor Juhos 2605f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2615f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 26229906e1aSÁlvaro Fernández Rojas select ARCH_HAS_RESET_CONTROLLER 263d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 264d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 265d666cd02SKevin Cernekee select BOOT_RAW 266d666cd02SKevin Cernekee select NO_EXCEPT_FILL 267d666cd02SKevin Cernekee select USE_OF 268d666cd02SKevin Cernekee select CEVT_R4K 269d666cd02SKevin Cernekee select CSRC_R4K 270d666cd02SKevin Cernekee select SYNC_R4K 271d666cd02SKevin Cernekee select COMMON_CLK 272c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 27360b858f2SKevin Cernekee select BCM7038_L1_IRQ 27460b858f2SKevin Cernekee select BCM7120_L2_IRQ 27560b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 27667e38cf2SRalf Baechle select IRQ_MIPS_CPU 27760b858f2SKevin Cernekee select DMA_NONCOHERENT 278d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 27960b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 280d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 281d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 28260b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 28360b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 28460b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 285d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 286d666cd02SKevin Cernekee select SWAP_IO_SPACE 28760b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 28860b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 28960b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 29060b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2914dc4704cSJustin Chen select HARDIRQS_SW_RESEND 292d666cd02SKevin Cernekee help 2935f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2945f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2955f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2965f2d4459SKevin Cernekee must be set appropriately for your board. 297d666cd02SKevin Cernekee 2981c0c13ebSAurelien Jarnoconfig BCM47XX 299c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 300fe08f8c2SHauke Mehrtens select BOOT_RAW 30142f77542SRalf Baechle select CEVT_R4K 302940f6b48SRalf Baechle select CSRC_R4K 3031c0c13ebSAurelien Jarno select DMA_NONCOHERENT 304eb01d42aSChristoph Hellwig select HAVE_PCI 30567e38cf2SRalf Baechle select IRQ_MIPS_CPU 306314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 307dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 3081c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 3091c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 310377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 3116507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 31225e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 313e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 314c949c0bcSRafał Miłecki select GPIOLIB 315c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 316f6e734a8SRafał Miłecki select BCM47XX_NVRAM 3172ab71a02SRafał Miłecki select BCM47XX_SPROM 318dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 3191c0c13ebSAurelien Jarno help 3201c0c13ebSAurelien Jarno Support for BCM47XX based boards 3211c0c13ebSAurelien Jarno 322e7300d04SMaxime Bizonconfig BCM63XX 323e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 324ae8de61cSFlorian Fainelli select BOOT_RAW 325e7300d04SMaxime Bizon select CEVT_R4K 326e7300d04SMaxime Bizon select CSRC_R4K 327fc264022SJonas Gorski select SYNC_R4K 328e7300d04SMaxime Bizon select DMA_NONCOHERENT 32967e38cf2SRalf Baechle select IRQ_MIPS_CPU 330e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 331e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 332e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 333e7300d04SMaxime Bizon select SWAP_IO_SPACE 334d30a2b47SLinus Walleij select GPIOLIB 335af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 336c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 337bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 338e7300d04SMaxime Bizon help 339e7300d04SMaxime Bizon Support for BCM63XX based boards 340e7300d04SMaxime Bizon 3411da177e4SLinus Torvaldsconfig MIPS_COBALT 3423fa986faSMartin Michlmayr bool "Cobalt Server" 34342f77542SRalf Baechle select CEVT_R4K 344940f6b48SRalf Baechle select CSRC_R4K 3451097c6acSYoichi Yuasa select CEVT_GT641XX 3461da177e4SLinus Torvalds select DMA_NONCOHERENT 347eb01d42aSChristoph Hellwig select FORCE_PCI 348d865bea4SRalf Baechle select I8253 3491da177e4SLinus Torvalds select I8259 35067e38cf2SRalf Baechle select IRQ_MIPS_CPU 351d5ab1a69SYoichi Yuasa select IRQ_GT641XX 352252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3537cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3540a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 355ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3560e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3575e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 358e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvaldsconfig MACH_DECSTATION 3613fa986faSMartin Michlmayr bool "DECstations" 3621da177e4SLinus Torvalds select BOOT_ELF32 3636457d9fcSYoichi Yuasa select CEVT_DS1287 36481d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3654247417dSYoichi Yuasa select CSRC_IOASIC 36681d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 36720d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 36820d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 36920d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3701da177e4SLinus Torvalds select DMA_NONCOHERENT 371ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 37267e38cf2SRalf Baechle select IRQ_MIPS_CPU 3737cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3747cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 375ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3767d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3775e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3781723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3791723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3801723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 381930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3825e83d430SRalf Baechle help 3831da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3841da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3851da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3861da177e4SLinus Torvalds 3871da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3881da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3891da177e4SLinus Torvalds 3901da177e4SLinus Torvalds DECstation 5000/50 3911da177e4SLinus Torvalds DECstation 5000/150 3921da177e4SLinus Torvalds DECstation 5000/260 3931da177e4SLinus Torvalds DECsystem 5900/260 3941da177e4SLinus Torvalds 3951da177e4SLinus Torvalds otherwise choose R3000. 3961da177e4SLinus Torvalds 3975e83d430SRalf Baechleconfig MACH_JAZZ 3983fa986faSMartin Michlmayr bool "Jazz family of machines" 39939b2d756SThomas Bogendoerfer select ARC_MEMORY 40039b2d756SThomas Bogendoerfer select ARC_PROMLIB 401a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4027a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4032f9237d4SChristoph Hellwig select DMA_OPS 4040e2794b0SRalf Baechle select FW_ARC 4050e2794b0SRalf Baechle select FW_ARC32 4065e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 40742f77542SRalf Baechle select CEVT_R4K 408940f6b48SRalf Baechle select CSRC_R4K 409e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 4105e83d430SRalf Baechle select GENERIC_ISA_DMA 4118a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 41267e38cf2SRalf Baechle select IRQ_MIPS_CPU 413d865bea4SRalf Baechle select I8253 4145e83d430SRalf Baechle select I8259 4155e83d430SRalf Baechle select ISA 4167cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4175e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 4187d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 4191723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 420aadfe4b5SArnd Bergmann select SYS_SUPPORTS_LITTLE_ENDIAN 4211da177e4SLinus Torvalds help 4225e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 4235e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 424692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 4255e83d430SRalf Baechle Olivetti M700-10 workstations. 4265e83d430SRalf Baechle 427f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC 428de361e8bSPaul Burton bool "Ingenic SoC based machines" 429f0f4a753SPaul Cercueil select MIPS_GENERIC 430f0f4a753SPaul Cercueil select MACH_INGENIC 431f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 4325ebabe59SLars-Peter Clausen 433171bb2f1SJohn Crispinconfig LANTIQ 434171bb2f1SJohn Crispin bool "Lantiq based platforms" 435171bb2f1SJohn Crispin select DMA_NONCOHERENT 43667e38cf2SRalf Baechle select IRQ_MIPS_CPU 437171bb2f1SJohn Crispin select CEVT_R4K 438171bb2f1SJohn Crispin select CSRC_R4K 439171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 440171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 441171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 442171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 443377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 444171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 445f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 446171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 447d30a2b47SLinus Walleij select GPIOLIB 448171bb2f1SJohn Crispin select SWAP_IO_SPACE 449171bb2f1SJohn Crispin select BOOT_RAW 450287e3f3fSJohn Crispin select CLKDEV_LOOKUP 451bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 452a0392222SJohn Crispin select USE_OF 4533f8c50c9SJohn Crispin select PINCTRL 4543f8c50c9SJohn Crispin select PINCTRL_LANTIQ 455c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 456c530781cSJohn Crispin select RESET_CONTROLLER 457171bb2f1SJohn Crispin 45830ad29bbSHuacai Chenconfig MACH_LOONGSON32 459caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 460c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 461ade299d8SYoichi Yuasa help 46230ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 46385749d24SWu Zhangjin 46430ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 46530ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 46630ad29bbSHuacai Chen Sciences (CAS). 467ade299d8SYoichi Yuasa 46871e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 46971e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 470ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 471ca585cf9SKelvin Cheung help 47271e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 473ca585cf9SKelvin Cheung 47471e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 475caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4766fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4776fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4786fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4796fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4806fbde6b4SJiaxun Yang select BOOT_ELF32 4816fbde6b4SJiaxun Yang select BOARD_SCACHE 4826fbde6b4SJiaxun Yang select CSRC_R4K 4836fbde6b4SJiaxun Yang select CEVT_R4K 4846fbde6b4SJiaxun Yang select CPU_HAS_WB 4856fbde6b4SJiaxun Yang select FORCE_PCI 4866fbde6b4SJiaxun Yang select ISA 4876fbde6b4SJiaxun Yang select I8259 4886fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4897d6d2837SJiaxun Yang select NO_EXCEPT_FILL 4905125bfeeSTiezhu Yang select NR_CPUS_DEFAULT_64 4916fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4926423e59aSJiaxun Yang select PCI_DRIVERS_GENERIC 4936fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4946fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4956fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4966fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4976fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4986fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4996fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 5006fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 50171e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 502a307a4ceSJinyang He select SYS_SUPPORTS_RELOCATABLE 5036fbde6b4SJiaxun Yang select ZONE_DMA32 50487fcfa7bSJiaxun Yang select COMMON_CLK 50587fcfa7bSJiaxun Yang select USE_OF 50687fcfa7bSJiaxun Yang select BUILTIN_DTB 50739c1485cSHuacai Chen select PCI_HOST_GENERIC 50871e2f4ddSJiaxun Yang help 509caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 510caed1d1bSHuacai Chen 511caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 512caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 513caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 514caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 515ca585cf9SKelvin Cheung 5166a438309SAndrew Brestickerconfig MACH_PISTACHIO 5176a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 5186a438309SAndrew Bresticker select BOOT_ELF32 5196a438309SAndrew Bresticker select BOOT_RAW 5206a438309SAndrew Bresticker select CEVT_R4K 5216a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 5226a438309SAndrew Bresticker select COMMON_CLK 5236a438309SAndrew Bresticker select CSRC_R4K 524645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 525d30a2b47SLinus Walleij select GPIOLIB 52667e38cf2SRalf Baechle select IRQ_MIPS_CPU 5276a438309SAndrew Bresticker select MFD_SYSCON 5286a438309SAndrew Bresticker select MIPS_CPU_SCACHE 5296a438309SAndrew Bresticker select MIPS_GIC 5306a438309SAndrew Bresticker select PINCTRL 5316a438309SAndrew Bresticker select REGULATOR 5326a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 5336a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 5346a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 5356a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 5366a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 53741cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 5386a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 539018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 540018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 5416a438309SAndrew Bresticker select USE_OF 5426a438309SAndrew Bresticker help 5436a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 5446a438309SAndrew Bresticker 5451da177e4SLinus Torvaldsconfig MIPS_MALTA 5463fa986faSMartin Michlmayr bool "MIPS Malta board" 54761ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 548a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5497a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5501da177e4SLinus Torvalds select BOOT_ELF32 551fa71c960SRalf Baechle select BOOT_RAW 552e8823d26SPaul Burton select BUILTIN_DTB 55342f77542SRalf Baechle select CEVT_R4K 554fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 55542b002abSGuenter Roeck select COMMON_CLK 55647bf2b03SMaksym Kokhan select CSRC_R4K 557a86497d6SChristoph Hellwig select DMA_NONCOHERENT 5581da177e4SLinus Torvalds select GENERIC_ISA_DMA 5598a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 560eb01d42aSChristoph Hellwig select HAVE_PCI 561d865bea4SRalf Baechle select I8253 5621da177e4SLinus Torvalds select I8259 56347bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 5645e83d430SRalf Baechle select MIPS_BONITO64 5659318c51aSChris Dearman select MIPS_CPU_SCACHE 56647bf2b03SMaksym Kokhan select MIPS_GIC 567a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5685e83d430SRalf Baechle select MIPS_MSC 56947bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 570ecafe3e9SPaul Burton select SMP_UP if SMP 5711da177e4SLinus Torvalds select SWAP_IO_SPACE 5727cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5737cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 574bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 575c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 576575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5777cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5785d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 579575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5807cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5817cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 582ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 583ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5845e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 585c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5865e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 587424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 58847bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5890365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 590e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 591f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 59247bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5939693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 594f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5951b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 596e8823d26SPaul Burton select USE_OF 597886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 598abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5991da177e4SLinus Torvalds help 600f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 6011da177e4SLinus Torvalds board. 6021da177e4SLinus Torvalds 6032572f00dSJoshua Hendersonconfig MACH_PIC32 6042572f00dSJoshua Henderson bool "Microchip PIC32 Family" 6052572f00dSJoshua Henderson help 6062572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 6072572f00dSJoshua Henderson 6082572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 6092572f00dSJoshua Henderson microcontrollers. 6102572f00dSJoshua Henderson 6115e83d430SRalf Baechleconfig MACH_VR41XX 61274142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 61342f77542SRalf Baechle select CEVT_R4K 614940f6b48SRalf Baechle select CSRC_R4K 6157cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 616377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 617d30a2b47SLinus Walleij select GPIOLIB 6185e83d430SRalf Baechle 619baec970aSLauri Kasanenconfig MACH_NINTENDO64 620baec970aSLauri Kasanen bool "Nintendo 64 console" 621baec970aSLauri Kasanen select CEVT_R4K 622baec970aSLauri Kasanen select CSRC_R4K 623baec970aSLauri Kasanen select SYS_HAS_CPU_R4300 624baec970aSLauri Kasanen select SYS_SUPPORTS_BIG_ENDIAN 625baec970aSLauri Kasanen select SYS_SUPPORTS_ZBOOT 626baec970aSLauri Kasanen select SYS_SUPPORTS_32BIT_KERNEL 627baec970aSLauri Kasanen select SYS_SUPPORTS_64BIT_KERNEL 628baec970aSLauri Kasanen select DMA_NONCOHERENT 629baec970aSLauri Kasanen select IRQ_MIPS_CPU 630baec970aSLauri Kasanen 631ae2b5bb6SJohn Crispinconfig RALINK 632ae2b5bb6SJohn Crispin bool "Ralink based machines" 633ae2b5bb6SJohn Crispin select CEVT_R4K 634ae2b5bb6SJohn Crispin select CSRC_R4K 635ae2b5bb6SJohn Crispin select BOOT_RAW 636ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 63767e38cf2SRalf Baechle select IRQ_MIPS_CPU 638ae2b5bb6SJohn Crispin select USE_OF 639ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 640ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 641ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 642ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 643377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 6441f0400d0SChuanhong Guo select SYS_SUPPORTS_ZBOOT 645ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 646ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6472a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6482a153f1cSJohn Crispin select RESET_CONTROLLER 649ae2b5bb6SJohn Crispin 6504042147aSBert Vermeulenconfig MACH_REALTEK_RTL 6514042147aSBert Vermeulen bool "Realtek RTL838x/RTL839x based machines" 6524042147aSBert Vermeulen select MIPS_GENERIC 6534042147aSBert Vermeulen select DMA_NONCOHERENT 6544042147aSBert Vermeulen select IRQ_MIPS_CPU 6554042147aSBert Vermeulen select CSRC_R4K 6564042147aSBert Vermeulen select CEVT_R4K 6574042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R1 6584042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R2 6594042147aSBert Vermeulen select SYS_SUPPORTS_BIG_ENDIAN 6604042147aSBert Vermeulen select SYS_SUPPORTS_32BIT_KERNEL 6614042147aSBert Vermeulen select SYS_SUPPORTS_MIPS16 6624042147aSBert Vermeulen select SYS_SUPPORTS_MULTITHREADING 6634042147aSBert Vermeulen select SYS_SUPPORTS_VPE_LOADER 6644042147aSBert Vermeulen select SYS_HAS_EARLY_PRINTK 6654042147aSBert Vermeulen select SYS_HAS_EARLY_PRINTK_8250 6664042147aSBert Vermeulen select USE_GENERIC_EARLY_PRINTK_8250 6674042147aSBert Vermeulen select BOOT_RAW 6684042147aSBert Vermeulen select PINCTRL 6694042147aSBert Vermeulen select USE_OF 6704042147aSBert Vermeulen 6711da177e4SLinus Torvaldsconfig SGI_IP22 6723fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 673c0de00b2SThomas Bogendoerfer select ARC_MEMORY 67439b2d756SThomas Bogendoerfer select ARC_PROMLIB 6750e2794b0SRalf Baechle select FW_ARC 6760e2794b0SRalf Baechle select FW_ARC32 6777a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6781da177e4SLinus Torvalds select BOOT_ELF32 67942f77542SRalf Baechle select CEVT_R4K 680940f6b48SRalf Baechle select CSRC_R4K 681e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6821da177e4SLinus Torvalds select DMA_NONCOHERENT 6836630a8e5SChristoph Hellwig select HAVE_EISA 684d865bea4SRalf Baechle select I8253 68568de4803SThomas Bogendoerfer select I8259 6861da177e4SLinus Torvalds select IP22_CPU_SCACHE 68767e38cf2SRalf Baechle select IRQ_MIPS_CPU 688aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 689e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 690e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 69136e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 692e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 693e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 694e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6951da177e4SLinus Torvalds select SWAP_IO_SPACE 6967cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6977cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 698c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 699ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 700ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7015e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 702802b8362SThomas Bogendoerfer select WAR_R4600_V1_INDEX_ICACHEOP 7035e5b6527SThomas Bogendoerfer select WAR_R4600_V1_HIT_CACHEOP 70444def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 705930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7061da177e4SLinus Torvalds help 7071da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 7081da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 7091da177e4SLinus Torvalds that runs on these, say Y here. 7101da177e4SLinus Torvalds 7111da177e4SLinus Torvaldsconfig SGI_IP27 7123fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 71354aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 714397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 7150e2794b0SRalf Baechle select FW_ARC 7160e2794b0SRalf Baechle select FW_ARC64 717e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 7185e83d430SRalf Baechle select BOOT_ELF64 719e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 72004100459SChristoph Hellwig select FORCE_PCI 72136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 722eb01d42aSChristoph Hellwig select HAVE_PCI 72369a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 724e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 725130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 726a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 727a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7287cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 729ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7305e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 731d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7321a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 733256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 734930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7356c86a302SMike Rapoport select NUMA 7361da177e4SLinus Torvalds help 7371da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7381da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7391da177e4SLinus Torvalds here. 7401da177e4SLinus Torvalds 741e2defae5SThomas Bogendoerferconfig SGI_IP28 7427d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 743c0de00b2SThomas Bogendoerfer select ARC_MEMORY 74439b2d756SThomas Bogendoerfer select ARC_PROMLIB 7450e2794b0SRalf Baechle select FW_ARC 7460e2794b0SRalf Baechle select FW_ARC64 7477a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 748e2defae5SThomas Bogendoerfer select BOOT_ELF64 749e2defae5SThomas Bogendoerfer select CEVT_R4K 750e2defae5SThomas Bogendoerfer select CSRC_R4K 751e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 752e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 753e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 75467e38cf2SRalf Baechle select IRQ_MIPS_CPU 7556630a8e5SChristoph Hellwig select HAVE_EISA 756e2defae5SThomas Bogendoerfer select I8253 757e2defae5SThomas Bogendoerfer select I8259 758e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 759e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7605b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 761e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 762e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 763e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 764e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 765e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 766c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 767e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 768e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 769256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 770dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 771e2defae5SThomas Bogendoerfer help 772e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 773e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 774e2defae5SThomas Bogendoerfer 7757505576dSThomas Bogendoerferconfig SGI_IP30 7767505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7777505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7787505576dSThomas Bogendoerfer select FW_ARC 7797505576dSThomas Bogendoerfer select FW_ARC64 7807505576dSThomas Bogendoerfer select BOOT_ELF64 7817505576dSThomas Bogendoerfer select CEVT_R4K 7827505576dSThomas Bogendoerfer select CSRC_R4K 78304100459SChristoph Hellwig select FORCE_PCI 7847505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7857505576dSThomas Bogendoerfer select ZONE_DMA32 7867505576dSThomas Bogendoerfer select HAVE_PCI 7877505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7887505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7897505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 7907505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7917505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7927505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7937505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7947505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7957505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7967505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 797256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 7987505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7997505576dSThomas Bogendoerfer select ARC_MEMORY 8007505576dSThomas Bogendoerfer help 8017505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 8027505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 8037505576dSThomas Bogendoerfer 8041da177e4SLinus Torvaldsconfig SGI_IP32 805cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 80639b2d756SThomas Bogendoerfer select ARC_MEMORY 80739b2d756SThomas Bogendoerfer select ARC_PROMLIB 80803df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 8090e2794b0SRalf Baechle select FW_ARC 8100e2794b0SRalf Baechle select FW_ARC32 8111da177e4SLinus Torvalds select BOOT_ELF32 81242f77542SRalf Baechle select CEVT_R4K 813940f6b48SRalf Baechle select CSRC_R4K 8141da177e4SLinus Torvalds select DMA_NONCOHERENT 815eb01d42aSChristoph Hellwig select HAVE_PCI 81667e38cf2SRalf Baechle select IRQ_MIPS_CPU 8171da177e4SLinus Torvalds select R5000_CPU_SCACHE 8181da177e4SLinus Torvalds select RM7000_CPU_SCACHE 8197cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 8207cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 8217cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 822dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 823ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 8245e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 825886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 8261da177e4SLinus Torvalds help 8271da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8281da177e4SLinus Torvalds 829ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 830ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8315e83d430SRalf Baechle select BOOT_ELF32 8325e83d430SRalf Baechle select SIBYTE_BCM1120 8335e83d430SRalf Baechle select SWAP_IO_SPACE 8347cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8355e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8365e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8375e83d430SRalf Baechle 838ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 839ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8405e83d430SRalf Baechle select BOOT_ELF32 8415e83d430SRalf Baechle select SIBYTE_BCM1120 8425e83d430SRalf Baechle select SWAP_IO_SPACE 8437cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8445e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8455e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8465e83d430SRalf Baechle 8475e83d430SRalf Baechleconfig SIBYTE_CRHONE 8483fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8495e83d430SRalf Baechle select BOOT_ELF32 8505e83d430SRalf Baechle select SIBYTE_BCM1125 8515e83d430SRalf Baechle select SWAP_IO_SPACE 8527cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8535e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8545e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8555e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8565e83d430SRalf Baechle 857ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 858ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 859ade299d8SYoichi Yuasa select BOOT_ELF32 860ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 861ade299d8SYoichi Yuasa select SWAP_IO_SPACE 862ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 863ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 864ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 865ade299d8SYoichi Yuasa 866ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 867ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 868ade299d8SYoichi Yuasa select BOOT_ELF32 869fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 870ade299d8SYoichi Yuasa select SIBYTE_SB1250 871ade299d8SYoichi Yuasa select SWAP_IO_SPACE 872ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 873ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 874ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 875ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 876cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 877e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 878ade299d8SYoichi Yuasa 879ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 880ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 881ade299d8SYoichi Yuasa select BOOT_ELF32 882fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 883ade299d8SYoichi Yuasa select SIBYTE_SB1250 884ade299d8SYoichi Yuasa select SWAP_IO_SPACE 885ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 886ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 887ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 888ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 889756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 890ade299d8SYoichi Yuasa 891ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 892ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 893ade299d8SYoichi Yuasa select BOOT_ELF32 894ade299d8SYoichi Yuasa select SIBYTE_SB1250 895ade299d8SYoichi Yuasa select SWAP_IO_SPACE 896ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 897ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 898ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 899e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 900ade299d8SYoichi Yuasa 901ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 902ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 903ade299d8SYoichi Yuasa select BOOT_ELF32 904ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 905ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 906ade299d8SYoichi Yuasa select SWAP_IO_SPACE 907ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 908ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 909651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 910ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 911cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 912e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 913ade299d8SYoichi Yuasa 91414b36af4SThomas Bogendoerferconfig SNI_RM 91514b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 91639b2d756SThomas Bogendoerfer select ARC_MEMORY 91739b2d756SThomas Bogendoerfer select ARC_PROMLIB 9180e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 9190e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 920aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 9215e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 922a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 9237a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 9245e83d430SRalf Baechle select BOOT_ELF32 92542f77542SRalf Baechle select CEVT_R4K 926940f6b48SRalf Baechle select CSRC_R4K 927e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9285e83d430SRalf Baechle select DMA_NONCOHERENT 9295e83d430SRalf Baechle select GENERIC_ISA_DMA 9306630a8e5SChristoph Hellwig select HAVE_EISA 9318a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 932eb01d42aSChristoph Hellwig select HAVE_PCI 93367e38cf2SRalf Baechle select IRQ_MIPS_CPU 934d865bea4SRalf Baechle select I8253 9355e83d430SRalf Baechle select I8259 9365e83d430SRalf Baechle select ISA 937564c836fSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_6 9384a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9397cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9404a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 941c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9424a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 94336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 944ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9457d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9464a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9475e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9485e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 94944def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 9501da177e4SLinus Torvalds help 95114b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 95214b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9535e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9545e83d430SRalf Baechle support this machine type. 9551da177e4SLinus Torvalds 956edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 957edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9585e83d430SRalf Baechle 959edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 960edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 96124a1c023SThomas Bogendoerfer select WAR_TX49XX_ICACHE_INDEX_INV 96223fbee9dSRalf Baechle 96373b4390fSRalf Baechleconfig MIKROTIK_RB532 96473b4390fSRalf Baechle bool "Mikrotik RB532 boards" 96573b4390fSRalf Baechle select CEVT_R4K 96673b4390fSRalf Baechle select CSRC_R4K 96773b4390fSRalf Baechle select DMA_NONCOHERENT 968eb01d42aSChristoph Hellwig select HAVE_PCI 96967e38cf2SRalf Baechle select IRQ_MIPS_CPU 97073b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 97173b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 97273b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 97373b4390fSRalf Baechle select SWAP_IO_SPACE 97473b4390fSRalf Baechle select BOOT_RAW 975d30a2b47SLinus Walleij select GPIOLIB 976930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 97773b4390fSRalf Baechle help 97873b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 97973b4390fSRalf Baechle based on the IDT RC32434 SoC. 98073b4390fSRalf Baechle 9819ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9829ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 983a86c7f72SDavid Daney select CEVT_R4K 984ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9851753d50cSChristoph Hellwig select HAVE_RAPIDIO 986d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 987a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 988a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 989f65aad41SRalf Baechle select EDAC_SUPPORT 990b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 99173569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 99273569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 993a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9945e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 995eb01d42aSChristoph Hellwig select HAVE_PCI 99678bdbbacSMasahiro Yamada select HAVE_PLAT_DELAY 99778bdbbacSMasahiro Yamada select HAVE_PLAT_FW_INIT_CMDLINE 99878bdbbacSMasahiro Yamada select HAVE_PLAT_MEMCPY 999f00e001eSDavid Daney select ZONE_DMA32 1000d30a2b47SLinus Walleij select GPIOLIB 10016e511163SDavid Daney select USE_OF 10026e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 10036e511163SDavid Daney select SYS_SUPPORTS_SMP 10047820b84bSDavid Daney select NR_CPUS_DEFAULT_64 10057820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 1006e326479fSAndrew Bresticker select BUILTIN_DTB 1007f766b28aSJulian Braha select MTD 10088c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 100909230cbcSChristoph Hellwig select SWIOTLB 10103ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 1011a86c7f72SDavid Daney help 1012a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 1013a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 1014a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 1015a86c7f72SDavid Daney Some of the supported boards are: 1016a86c7f72SDavid Daney EBT3000 1017a86c7f72SDavid Daney EBH3000 1018a86c7f72SDavid Daney EBH3100 1019a86c7f72SDavid Daney Thunder 1020a86c7f72SDavid Daney Kodama 1021a86c7f72SDavid Daney Hikari 1022a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 1023a86c7f72SDavid Daney 10247f058e85SJayachandran Cconfig NLM_XLR_BOARD 10257f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 10267f058e85SJayachandran C select BOOT_ELF32 10277f058e85SJayachandran C select NLM_COMMON 10287f058e85SJayachandran C select SYS_HAS_CPU_XLR 10297f058e85SJayachandran C select SYS_SUPPORTS_SMP 1030eb01d42aSChristoph Hellwig select HAVE_PCI 10317f058e85SJayachandran C select SWAP_IO_SPACE 10327f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10337f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1034d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 10357f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10367f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 10377f058e85SJayachandran C select NR_CPUS_DEFAULT_32 10387f058e85SJayachandran C select CEVT_R4K 10397f058e85SJayachandran C select CSRC_R4K 104067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1041b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10427f058e85SJayachandran C select SYNC_R4K 10437f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 10448f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10458f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10467f058e85SJayachandran C help 10477f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 10487f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 10497f058e85SJayachandran C 10501c773ea4SJayachandran Cconfig NLM_XLP_BOARD 10511c773ea4SJayachandran C bool "Netlogic XLP based systems" 10521c773ea4SJayachandran C select BOOT_ELF32 10531c773ea4SJayachandran C select NLM_COMMON 10541c773ea4SJayachandran C select SYS_HAS_CPU_XLP 10551c773ea4SJayachandran C select SYS_SUPPORTS_SMP 1056eb01d42aSChristoph Hellwig select HAVE_PCI 10571c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10581c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1059d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1060d30a2b47SLinus Walleij select GPIOLIB 10611c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10621c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10631c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10641c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10651c773ea4SJayachandran C select CEVT_R4K 10661c773ea4SJayachandran C select CSRC_R4K 106767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1068b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10691c773ea4SJayachandran C select SYNC_R4K 10701c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10712f6528e1SJayachandran C select USE_OF 10728f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10738f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10741c773ea4SJayachandran C help 10751c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10761c773ea4SJayachandran C Say Y here if you have a XLP based board. 10771c773ea4SJayachandran C 10781da177e4SLinus Torvaldsendchoice 10791da177e4SLinus Torvalds 1080e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10813b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1082d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1083a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1084e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10858945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1086eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 1087a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig" 10885e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10898ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10902572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1091af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 1092ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 109329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 109438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 109522b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10965e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1097a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 109871e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 109930ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 110030ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 11017f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 110238b18f72SRalf Baechle 11035e83d430SRalf Baechleendmenu 11045e83d430SRalf Baechle 11053c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 11063c9ee7efSAkinobu Mita bool 11073c9ee7efSAkinobu Mita default y 11083c9ee7efSAkinobu Mita 11091da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 11101da177e4SLinus Torvalds bool 11111da177e4SLinus Torvalds default y 11121da177e4SLinus Torvalds 1113ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 11141cc89038SAtsushi Nemoto bool 11151cc89038SAtsushi Nemoto default y 11161cc89038SAtsushi Nemoto 11171da177e4SLinus Torvalds# 11181da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 11191da177e4SLinus Torvalds# 11200e2794b0SRalf Baechleconfig FW_ARC 11211da177e4SLinus Torvalds bool 11221da177e4SLinus Torvalds 112361ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 112461ed242dSRalf Baechle bool 112561ed242dSRalf Baechle 11269267a30dSMarc St-Jeanconfig BOOT_RAW 11279267a30dSMarc St-Jean bool 11289267a30dSMarc St-Jean 1129217dd11eSRalf Baechleconfig CEVT_BCM1480 1130217dd11eSRalf Baechle bool 1131217dd11eSRalf Baechle 11326457d9fcSYoichi Yuasaconfig CEVT_DS1287 11336457d9fcSYoichi Yuasa bool 11346457d9fcSYoichi Yuasa 11351097c6acSYoichi Yuasaconfig CEVT_GT641XX 11361097c6acSYoichi Yuasa bool 11371097c6acSYoichi Yuasa 113842f77542SRalf Baechleconfig CEVT_R4K 113942f77542SRalf Baechle bool 114042f77542SRalf Baechle 1141217dd11eSRalf Baechleconfig CEVT_SB1250 1142217dd11eSRalf Baechle bool 1143217dd11eSRalf Baechle 1144229f773eSAtsushi Nemotoconfig CEVT_TXX9 1145229f773eSAtsushi Nemoto bool 1146229f773eSAtsushi Nemoto 1147217dd11eSRalf Baechleconfig CSRC_BCM1480 1148217dd11eSRalf Baechle bool 1149217dd11eSRalf Baechle 11504247417dSYoichi Yuasaconfig CSRC_IOASIC 11514247417dSYoichi Yuasa bool 11524247417dSYoichi Yuasa 1153940f6b48SRalf Baechleconfig CSRC_R4K 115438586428SSerge Semin select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1155940f6b48SRalf Baechle bool 1156940f6b48SRalf Baechle 1157217dd11eSRalf Baechleconfig CSRC_SB1250 1158217dd11eSRalf Baechle bool 1159217dd11eSRalf Baechle 1160a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1161a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1162a7f4df4eSAlex Smith 1163a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1164d30a2b47SLinus Walleij select GPIOLIB 1165a9aec7feSAtsushi Nemoto bool 1166a9aec7feSAtsushi Nemoto 11670e2794b0SRalf Baechleconfig FW_CFE 1168df78b5c8SAurelien Jarno bool 1169df78b5c8SAurelien Jarno 117040e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 117140e084a5SRalf Baechle bool 117240e084a5SRalf Baechle 117320d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 117420d33064SPaul Burton bool 1175347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11765748e1b3SChristoph Hellwig select DMA_NONCOHERENT 117720d33064SPaul Burton 11781da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11791da177e4SLinus Torvalds bool 1180db91427bSChristoph Hellwig # 1181db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1182db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1183db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1184db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1185db91427bSChristoph Hellwig # significant advantages. 1186db91427bSChristoph Hellwig # 1187419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1188fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_PREP_COHERENT 1189f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1190fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_SET_UNCACHED 119134dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 119234dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 11934ce588cdSRalf Baechle 119436a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11951da177e4SLinus Torvalds bool 11961da177e4SLinus Torvalds 11971b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1198dbb74540SRalf Baechle bool 1199dbb74540SRalf Baechle 12001da177e4SLinus Torvaldsconfig MIPS_BONITO64 12011da177e4SLinus Torvalds bool 12021da177e4SLinus Torvalds 12031da177e4SLinus Torvaldsconfig MIPS_MSC 12041da177e4SLinus Torvalds bool 12051da177e4SLinus Torvalds 120639b8d525SRalf Baechleconfig SYNC_R4K 120739b8d525SRalf Baechle bool 120839b8d525SRalf Baechle 1209ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1210d388d685SMaciej W. Rozycki def_bool n 1211d388d685SMaciej W. Rozycki 12124e0748f5SMarkos Chandrasconfig GENERIC_CSUM 121318d84e2eSAlexander Lobakin def_bool CPU_NO_LOAD_STORE_LR 12144e0748f5SMarkos Chandras 12158313da30SRalf Baechleconfig GENERIC_ISA_DMA 12168313da30SRalf Baechle bool 12178313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1218a35bee8aSNamhyung Kim select ISA_DMA_API 12198313da30SRalf Baechle 1220aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1221aa414dffSRalf Baechle bool 12228313da30SRalf Baechle select GENERIC_ISA_DMA 1223aa414dffSRalf Baechle 122478bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY 122578bdbbacSMasahiro Yamada bool 122678bdbbacSMasahiro Yamada 122778bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE 122878bdbbacSMasahiro Yamada bool 122978bdbbacSMasahiro Yamada 123078bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY 123178bdbbacSMasahiro Yamada bool 123278bdbbacSMasahiro Yamada 1233a35bee8aSNamhyung Kimconfig ISA_DMA_API 1234a35bee8aSNamhyung Kim bool 1235a35bee8aSNamhyung Kim 12368c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 12378c530ea3SMatt Redfearn bool 12388c530ea3SMatt Redfearn help 12398c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 12408c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 12418c530ea3SMatt Redfearn to allow access to command line and entropy sources. 12428c530ea3SMatt Redfearn 1243f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1244f381bf6dSDavid Daney def_bool y 1245f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1246f381bf6dSDavid Daney 1247f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1248f381bf6dSDavid Daney def_bool y 1249f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1250f381bf6dSDavid Daney 1251f381bf6dSDavid Daney 12525e83d430SRalf Baechle# 12536b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12545e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12555e83d430SRalf Baechle# choice statement should be more obvious to the user. 12565e83d430SRalf Baechle# 12575e83d430SRalf Baechlechoice 12586b2aac42SMasanari Iida prompt "Endianness selection" 12591da177e4SLinus Torvalds help 12601da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12615e83d430SRalf Baechle byte order. These modes require different kernels and a different 12623cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12635e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12643dde6ad8SDavid Sterba one or the other endianness. 12655e83d430SRalf Baechle 12665e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12675e83d430SRalf Baechle bool "Big endian" 12685e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12695e83d430SRalf Baechle 12705e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12715e83d430SRalf Baechle bool "Little endian" 12725e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12735e83d430SRalf Baechle 12745e83d430SRalf Baechleendchoice 12755e83d430SRalf Baechle 127622b0763aSDavid Daneyconfig EXPORT_UASM 127722b0763aSDavid Daney bool 127822b0763aSDavid Daney 12792116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12802116245eSRalf Baechle bool 12812116245eSRalf Baechle 12825e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12835e83d430SRalf Baechle bool 12845e83d430SRalf Baechle 12855e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12865e83d430SRalf Baechle bool 12871da177e4SLinus Torvalds 1288aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1289aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1290aa1762f4SDavid Daney 12919267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12929267a30dSMarc St-Jean bool 12939267a30dSMarc St-Jean 12949267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12959267a30dSMarc St-Jean bool 12969267a30dSMarc St-Jean 12978420fd00SAtsushi Nemotoconfig IRQ_TXX9 12988420fd00SAtsushi Nemoto bool 12998420fd00SAtsushi Nemoto 1300d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1301d5ab1a69SYoichi Yuasa bool 1302d5ab1a69SYoichi Yuasa 1303252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 13041da177e4SLinus Torvalds bool 13051da177e4SLinus Torvalds 1306a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1307a57140e9SThomas Bogendoerfer bool 1308a57140e9SThomas Bogendoerfer 13099267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 13109267a30dSMarc St-Jean bool 13119267a30dSMarc St-Jean 1312a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1313a7e07b1aSMarkos Chandras bool 1314a7e07b1aSMarkos Chandras 13151da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13161da177e4SLinus Torvalds bool 13171da177e4SLinus Torvalds 1318e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1319e2defae5SThomas Bogendoerfer bool 1320e2defae5SThomas Bogendoerfer 13215b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13225b438c44SThomas Bogendoerfer bool 13235b438c44SThomas Bogendoerfer 1324e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1325e2defae5SThomas Bogendoerfer bool 1326e2defae5SThomas Bogendoerfer 1327e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1328e2defae5SThomas Bogendoerfer bool 1329e2defae5SThomas Bogendoerfer 1330e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1331e2defae5SThomas Bogendoerfer bool 1332e2defae5SThomas Bogendoerfer 1333e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1334e2defae5SThomas Bogendoerfer bool 1335e2defae5SThomas Bogendoerfer 1336e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1337e2defae5SThomas Bogendoerfer bool 1338e2defae5SThomas Bogendoerfer 13390e2794b0SRalf Baechleconfig FW_ARC32 13405e83d430SRalf Baechle bool 13415e83d430SRalf Baechle 1342aaa9fad3SPaul Bolleconfig FW_SNIPROM 1343231a35d3SThomas Bogendoerfer bool 1344231a35d3SThomas Bogendoerfer 13451da177e4SLinus Torvaldsconfig BOOT_ELF32 13461da177e4SLinus Torvalds bool 13471da177e4SLinus Torvalds 1348930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1349930beb5aSFlorian Fainelli bool 1350930beb5aSFlorian Fainelli 1351930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1352930beb5aSFlorian Fainelli bool 1353930beb5aSFlorian Fainelli 1354930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1355930beb5aSFlorian Fainelli bool 1356930beb5aSFlorian Fainelli 1357930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1358930beb5aSFlorian Fainelli bool 1359930beb5aSFlorian Fainelli 13601da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13611da177e4SLinus Torvalds int 1362a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13635432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13645432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13655432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13661da177e4SLinus Torvalds default "5" 13671da177e4SLinus Torvalds 1368e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1369e9422427SThomas Bogendoerfer bool 1370e9422427SThomas Bogendoerfer 13711da177e4SLinus Torvaldsconfig ARC_CONSOLE 13721da177e4SLinus Torvalds bool "ARC console support" 1373e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13741da177e4SLinus Torvalds 13751da177e4SLinus Torvaldsconfig ARC_MEMORY 13761da177e4SLinus Torvalds bool 13771da177e4SLinus Torvalds 13781da177e4SLinus Torvaldsconfig ARC_PROMLIB 13791da177e4SLinus Torvalds bool 13801da177e4SLinus Torvalds 13810e2794b0SRalf Baechleconfig FW_ARC64 13821da177e4SLinus Torvalds bool 13831da177e4SLinus Torvalds 13841da177e4SLinus Torvaldsconfig BOOT_ELF64 13851da177e4SLinus Torvalds bool 13861da177e4SLinus Torvalds 13871da177e4SLinus Torvaldsmenu "CPU selection" 13881da177e4SLinus Torvalds 13891da177e4SLinus Torvaldschoice 13901da177e4SLinus Torvalds prompt "CPU type" 13911da177e4SLinus Torvalds default CPU_R4X00 13921da177e4SLinus Torvalds 1393268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1394caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1395268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1396d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 139751522217SJiaxun Yang select CPU_MIPSR2 139851522217SJiaxun Yang select CPU_HAS_PREFETCH 13990e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 14000e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 14010e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 14027507445bSHuacai Chen select CPU_SUPPORTS_MSA 140351522217SJiaxun Yang select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 140451522217SJiaxun Yang select CPU_MIPSR2_IRQ_VI 14050e476d91SHuacai Chen select WEAK_ORDERING 14060e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 14077507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1408b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 140917c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1410d30a2b47SLinus Walleij select GPIOLIB 141109230cbcSChristoph Hellwig select SWIOTLB 14120f78355cSHuacai Chen select HAVE_KVM 14130e476d91SHuacai Chen help 1414caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1415caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1416caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1417caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1418caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 14190e476d91SHuacai Chen 1420caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1421caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 14221e820da3SHuacai Chen default n 1423268a2d60SJiaxun Yang depends on CPU_LOONGSON64 14241e820da3SHuacai Chen help 1425caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 14261e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1427268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14281e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14291e820da3SHuacai Chen Fast TLB refill support, etc. 14301e820da3SHuacai Chen 14311e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14321e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14331e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1434caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 14351e820da3SHuacai Chen 1436e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1437caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1438e02e07e3SHuacai Chen default y if SMP 1439268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1440e02e07e3SHuacai Chen help 1441caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1442e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1443e02e07e3SHuacai Chen 1444caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1445e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1446e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1447e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1448e02e07e3SHuacai Chen 1449e02e07e3SHuacai Chen If unsure, please say Y. 1450e02e07e3SHuacai Chen 1451ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION 1452ec7a9318SWANG Xuerui bool "Emulate the CPUCFG instruction on older Loongson cores" 1453ec7a9318SWANG Xuerui default y 1454ec7a9318SWANG Xuerui depends on CPU_LOONGSON64 1455ec7a9318SWANG Xuerui help 1456ec7a9318SWANG Xuerui Loongson-3A R4 and newer have the CPUCFG instruction available for 1457ec7a9318SWANG Xuerui userland to query CPU capabilities, much like CPUID on x86. This 1458ec7a9318SWANG Xuerui option provides emulation of the instruction on older Loongson 1459ec7a9318SWANG Xuerui cores, back to Loongson-3A1000. 1460ec7a9318SWANG Xuerui 1461ec7a9318SWANG Xuerui If unsure, please say Y. 1462ec7a9318SWANG Xuerui 14633702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14643702bba5SWu Zhangjin bool "Loongson 2E" 14653702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1466268a2d60SJiaxun Yang select CPU_LOONGSON2EF 14672a21c730SFuxin Zhang help 14682a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14692a21c730SFuxin Zhang with many extensions. 14702a21c730SFuxin Zhang 147125985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14726f7a251aSWu Zhangjin bonito64. 14736f7a251aSWu Zhangjin 14746f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14756f7a251aSWu Zhangjin bool "Loongson 2F" 14766f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1477268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1478d30a2b47SLinus Walleij select GPIOLIB 14796f7a251aSWu Zhangjin help 14806f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14816f7a251aSWu Zhangjin with many extensions. 14826f7a251aSWu Zhangjin 14836f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14846f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14856f7a251aSWu Zhangjin Loongson2E. 14866f7a251aSWu Zhangjin 1487ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1488ca585cf9SKelvin Cheung bool "Loongson 1B" 1489ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1490b2afb64cSHuacai Chen select CPU_LOONGSON32 14919ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1492ca585cf9SKelvin Cheung help 1493ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1494968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1495968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1496ca585cf9SKelvin Cheung 149712e3280bSYang Lingconfig CPU_LOONGSON1C 149812e3280bSYang Ling bool "Loongson 1C" 149912e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1500b2afb64cSHuacai Chen select CPU_LOONGSON32 150112e3280bSYang Ling select LEDS_GPIO_REGISTER 150212e3280bSYang Ling help 150312e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1504968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1505968dc5a0S谢致邦 (XIE Zhibang) instruction set. 150612e3280bSYang Ling 15076e760c8dSRalf Baechleconfig CPU_MIPS32_R1 15086e760c8dSRalf Baechle bool "MIPS32 Release 1" 15097cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 15106e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1511797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1512ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15136e760c8dSRalf Baechle help 15145e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 15151e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15161e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15171e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15181e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15191e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 15201e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 15211e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 15221e5f1caaSRalf Baechle performance. 15231e5f1caaSRalf Baechle 15241e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15251e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15267cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15271e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1528797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1529ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1530a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15312235a54dSSanjay Lal select HAVE_KVM 15321e5f1caaSRalf Baechle help 15335e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15346e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15356e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15366e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15376e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15381da177e4SLinus Torvalds 1539ab7c01fdSSerge Seminconfig CPU_MIPS32_R5 1540ab7c01fdSSerge Semin bool "MIPS32 Release 5" 1541ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS32_R5 1542ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1543ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1544ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1545ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1546ab7c01fdSSerge Semin select HAVE_KVM 1547ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT 1548ab7c01fdSSerge Semin help 1549ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1550ab7c01fdSSerge Semin MIPS32 architecture. New MIPS processors, starting with the Warrior 1551ab7c01fdSSerge Semin family, are based on a MIPS32r5 processor. If you own an older 1552ab7c01fdSSerge Semin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1553ab7c01fdSSerge Semin 15547fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1555674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15567fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15577fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 155818d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 15597fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15607fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15617fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15627fd08ca5SLeonid Yegoshin select HAVE_KVM 15637fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15647fd08ca5SLeonid Yegoshin help 15657fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15667fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15677fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15687fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15697fd08ca5SLeonid Yegoshin 15706e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15716e760c8dSRalf Baechle bool "MIPS64 Release 1" 15727cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1573797798c1SRalf Baechle select CPU_HAS_PREFETCH 1574ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1575ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1576ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15779cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15786e760c8dSRalf Baechle help 15796e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15806e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15816e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15826e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15836e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15841e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15851e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15861e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15871e5f1caaSRalf Baechle performance. 15881e5f1caaSRalf Baechle 15891e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15901e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15917cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1592797798c1SRalf Baechle select CPU_HAS_PREFETCH 15931e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15941e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1595ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15969cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1597a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 159840a2df49SJames Hogan select HAVE_KVM 15991e5f1caaSRalf Baechle help 16001e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 16011e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16021e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16031e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 16041e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16051da177e4SLinus Torvalds 1606ab7c01fdSSerge Seminconfig CPU_MIPS64_R5 1607ab7c01fdSSerge Semin bool "MIPS64 Release 5" 1608ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS64_R5 1609ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1610ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1611ab7c01fdSSerge Semin select CPU_SUPPORTS_64BIT_KERNEL 1612ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1613ab7c01fdSSerge Semin select CPU_SUPPORTS_HUGEPAGES 1614ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1615ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1616ab7c01fdSSerge Semin select HAVE_KVM 1617ab7c01fdSSerge Semin help 1618ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1619ab7c01fdSSerge Semin MIPS64 architecture. This is a intermediate MIPS architecture 1620ab7c01fdSSerge Semin release partly implementing release 6 features. Though there is no 1621ab7c01fdSSerge Semin any hardware known to be based on this release. 1622ab7c01fdSSerge Semin 16237fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1624674d10e2SMarkos Chandras bool "MIPS64 Release 6" 16257fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 16267fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 162718d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 16287fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 16297fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 16307fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1631afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 16327fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16332e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 163440a2df49SJames Hogan select HAVE_KVM 16357fd08ca5SLeonid Yegoshin help 16367fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16377fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16387fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16397fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16407fd08ca5SLeonid Yegoshin 1641281e3aeaSSerge Seminconfig CPU_P5600 1642281e3aeaSSerge Semin bool "MIPS Warrior P5600" 1643281e3aeaSSerge Semin depends on SYS_HAS_CPU_P5600 1644281e3aeaSSerge Semin select CPU_HAS_PREFETCH 1645281e3aeaSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1646281e3aeaSSerge Semin select CPU_SUPPORTS_HIGHMEM 1647281e3aeaSSerge Semin select CPU_SUPPORTS_MSA 1648281e3aeaSSerge Semin select CPU_SUPPORTS_CPUFREQ 1649281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_VI 1650281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_EI 1651281e3aeaSSerge Semin select HAVE_KVM 1652281e3aeaSSerge Semin select MIPS_O32_FP64_SUPPORT 1653281e3aeaSSerge Semin help 1654281e3aeaSSerge Semin Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1655281e3aeaSSerge Semin It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1656281e3aeaSSerge Semin MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1657281e3aeaSSerge Semin level features like up to six P5600 calculation cores, CM2 with L2 1658281e3aeaSSerge Semin cache, IOCU/IOMMU (though might be unused depending on the system- 1659281e3aeaSSerge Semin specific IP core configuration), GIC, CPC, virtualisation module, 1660281e3aeaSSerge Semin eJTAG and PDtrace. 1661281e3aeaSSerge Semin 16621da177e4SLinus Torvaldsconfig CPU_R3000 16631da177e4SLinus Torvalds bool "R3000" 16647cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1665f7062ddbSRalf Baechle select CPU_HAS_WB 166654746829SPaul Burton select CPU_R3K_TLB 1667ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1668797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16691da177e4SLinus Torvalds help 16701da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16711da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16721da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16731da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16741da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16751da177e4SLinus Torvalds try to recompile with R3000. 16761da177e4SLinus Torvalds 16771da177e4SLinus Torvaldsconfig CPU_TX39XX 16781da177e4SLinus Torvalds bool "R39XX" 16797cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1680ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 168154746829SPaul Burton select CPU_R3K_TLB 16821da177e4SLinus Torvalds 16831da177e4SLinus Torvaldsconfig CPU_VR41XX 16841da177e4SLinus Torvalds bool "R41xx" 16857cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1686ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1687ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16881da177e4SLinus Torvalds help 16895e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16901da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16911da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16921da177e4SLinus Torvalds processor or vice versa. 16931da177e4SLinus Torvalds 169465ce6197SLauri Kasanenconfig CPU_R4300 169565ce6197SLauri Kasanen bool "R4300" 169665ce6197SLauri Kasanen depends on SYS_HAS_CPU_R4300 169765ce6197SLauri Kasanen select CPU_SUPPORTS_32BIT_KERNEL 169865ce6197SLauri Kasanen select CPU_SUPPORTS_64BIT_KERNEL 169965ce6197SLauri Kasanen select CPU_HAS_LOAD_STORE_LR 170065ce6197SLauri Kasanen help 170165ce6197SLauri Kasanen MIPS Technologies R4300-series processors. 170265ce6197SLauri Kasanen 17031da177e4SLinus Torvaldsconfig CPU_R4X00 17041da177e4SLinus Torvalds bool "R4x00" 17057cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1706ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1707ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1708970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17091da177e4SLinus Torvalds help 17101da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 17111da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 17121da177e4SLinus Torvalds 17131da177e4SLinus Torvaldsconfig CPU_TX49XX 17141da177e4SLinus Torvalds bool "R49XX" 17157cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1716de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1717ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1718ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1719970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17201da177e4SLinus Torvalds 17211da177e4SLinus Torvaldsconfig CPU_R5000 17221da177e4SLinus Torvalds bool "R5000" 17237cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1724ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1725ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1726970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17271da177e4SLinus Torvalds help 17281da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 17291da177e4SLinus Torvalds 1730542c1020SShinya Kuribayashiconfig CPU_R5500 1731542c1020SShinya Kuribayashi bool "R5500" 1732542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1733542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1734542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 17359cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1736542c1020SShinya Kuribayashi help 1737542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1738542c1020SShinya Kuribayashi instruction set. 1739542c1020SShinya Kuribayashi 17401da177e4SLinus Torvaldsconfig CPU_NEVADA 17411da177e4SLinus Torvalds bool "RM52xx" 17427cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1743ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1744ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1745970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17461da177e4SLinus Torvalds help 17471da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 17481da177e4SLinus Torvalds 17491da177e4SLinus Torvaldsconfig CPU_R10000 17501da177e4SLinus Torvalds bool "R10000" 17517cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 17525e83d430SRalf Baechle select CPU_HAS_PREFETCH 1753ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1754ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1755797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1756970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17571da177e4SLinus Torvalds help 17581da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17591da177e4SLinus Torvalds 17601da177e4SLinus Torvaldsconfig CPU_RM7000 17611da177e4SLinus Torvalds bool "RM7000" 17627cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17635e83d430SRalf Baechle select CPU_HAS_PREFETCH 1764ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1765ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1766797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1767970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17681da177e4SLinus Torvalds 17691da177e4SLinus Torvaldsconfig CPU_SB1 17701da177e4SLinus Torvalds bool "SB1" 17717cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1772ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1773ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1774797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1775970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17760004a9dfSRalf Baechle select WEAK_ORDERING 17771da177e4SLinus Torvalds 1778a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1779a86c7f72SDavid Daney bool "Cavium Octeon processor" 17805e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1781a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1782a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1783a86c7f72SDavid Daney select WEAK_ORDERING 1784a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17859cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1786df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1787df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1788930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17890ae3abcdSJames Hogan select HAVE_KVM 1790a86c7f72SDavid Daney help 1791a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1792a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1793a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1794a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1795a86c7f72SDavid Daney 1796cd746249SJonas Gorskiconfig CPU_BMIPS 1797cd746249SJonas Gorski bool "Broadcom BMIPS" 1798cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1799cd746249SJonas Gorski select CPU_MIPS32 1800fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1801cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1802cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1803cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1804cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1805cd746249SJonas Gorski select DMA_NONCOHERENT 180667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1807cd746249SJonas Gorski select SWAP_IO_SPACE 1808cd746249SJonas Gorski select WEAK_ORDERING 1809c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 181069aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1811a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1812a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1813c1c0c461SKevin Cernekee help 1814fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1815c1c0c461SKevin Cernekee 18167f058e85SJayachandran Cconfig CPU_XLR 18177f058e85SJayachandran C bool "Netlogic XLR SoC" 18187f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 18197f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18207f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18217f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1822970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18237f058e85SJayachandran C select WEAK_ORDERING 18247f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18257f058e85SJayachandran C help 18267f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 18271c773ea4SJayachandran C 18281c773ea4SJayachandran Cconfig CPU_XLP 18291c773ea4SJayachandran C bool "Netlogic XLP SoC" 18301c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 18311c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18321c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18331c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 18341c773ea4SJayachandran C select WEAK_ORDERING 18351c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18361c773ea4SJayachandran C select CPU_HAS_PREFETCH 1837d6504846SJayachandran C select CPU_MIPSR2 1838ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 18392db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 18401c773ea4SJayachandran C help 18411c773ea4SJayachandran C Netlogic Microsystems XLP processors. 18421da177e4SLinus Torvaldsendchoice 18431da177e4SLinus Torvalds 1844a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1845a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1846a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1847281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1848281e3aeaSSerge Semin CPU_P5600 1849a6e18781SLeonid Yegoshin help 1850a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1851a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1852a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1853a6e18781SLeonid Yegoshin 1854a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1855a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1856a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1857a6e18781SLeonid Yegoshin select EVA 1858a6e18781SLeonid Yegoshin default y 1859a6e18781SLeonid Yegoshin help 1860a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1861a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1862a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1863a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1864a6e18781SLeonid Yegoshin 1865c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1866c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1867c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1868281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1869c5b36783SSteven J. Hill help 1870c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1871c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1872c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1873c5b36783SSteven J. Hill 1874c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1875c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1876c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1877c5b36783SSteven J. Hill depends on !EVA 1878c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1879c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1880c5b36783SSteven J. Hill select XPA 1881c5b36783SSteven J. Hill select HIGHMEM 1882d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1883c5b36783SSteven J. Hill default n 1884c5b36783SSteven J. Hill help 1885c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1886c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1887c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1888c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1889c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1890c5b36783SSteven J. Hill If unsure, say 'N' here. 1891c5b36783SSteven J. Hill 1892622844bfSWu Zhangjinif CPU_LOONGSON2F 1893622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1894622844bfSWu Zhangjin bool 1895622844bfSWu Zhangjin 1896622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1897622844bfSWu Zhangjin bool 1898622844bfSWu Zhangjin 1899622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1900622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1901622844bfSWu Zhangjin default y 1902622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1903622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1904622844bfSWu Zhangjin help 1905622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1906622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1907622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1908622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1909622844bfSWu Zhangjin 1910622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1911622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1912622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1913622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1914622844bfSWu Zhangjin systems. 1915622844bfSWu Zhangjin 1916622844bfSWu Zhangjin If unsure, please say Y. 1917622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1918622844bfSWu Zhangjin 19191b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 19201b93b3c3SWu Zhangjin bool 19211b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 19221b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 192331c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 19241b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1925fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 19264e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 1927a510b616SPaul Cercueil select HAVE_KERNEL_ZSTD 19281b93b3c3SWu Zhangjin 19291b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 19301b93b3c3SWu Zhangjin bool 19311b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 19321b93b3c3SWu Zhangjin 1933dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1934dbb98314SAlban Bedel bool 1935dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1936dbb98314SAlban Bedel 1937268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 19383702bba5SWu Zhangjin bool 19393702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 19403702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 19413702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1942970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1943e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 19443702bba5SWu Zhangjin 1945b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1946ca585cf9SKelvin Cheung bool 1947ca585cf9SKelvin Cheung select CPU_MIPS32 19487e280f6bSJiaxun Yang select CPU_MIPSR2 1949ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1950ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1951ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1952f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1953ca585cf9SKelvin Cheung 1954fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 195504fa8bf7SJonas Gorski select SMP_UP if SMP 19561bbb6c1bSKevin Cernekee bool 1957cd746249SJonas Gorski 1958cd746249SJonas Gorskiconfig CPU_BMIPS4350 1959cd746249SJonas Gorski bool 1960cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1961cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1962cd746249SJonas Gorski 1963cd746249SJonas Gorskiconfig CPU_BMIPS4380 1964cd746249SJonas Gorski bool 1965bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1966cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1967cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1968b4720809SFlorian Fainelli select CPU_HAS_RIXI 1969cd746249SJonas Gorski 1970cd746249SJonas Gorskiconfig CPU_BMIPS5000 1971cd746249SJonas Gorski bool 1972cd746249SJonas Gorski select MIPS_CPU_SCACHE 1973bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1974cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1975cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1976b4720809SFlorian Fainelli select CPU_HAS_RIXI 19771bbb6c1bSKevin Cernekee 1978268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19790e476d91SHuacai Chen bool 19800e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1981b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19820e476d91SHuacai Chen 19833702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19842a21c730SFuxin Zhang bool 19852a21c730SFuxin Zhang 19866f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19876f7a251aSWu Zhangjin bool 198855045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 198955045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 19906f7a251aSWu Zhangjin 1991ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1992ca585cf9SKelvin Cheung bool 1993ca585cf9SKelvin Cheung 199412e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 199512e3280bSYang Ling bool 199612e3280bSYang Ling 19977cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19987cf8053bSRalf Baechle bool 19997cf8053bSRalf Baechle 20007cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 20017cf8053bSRalf Baechle bool 20027cf8053bSRalf Baechle 2003a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 2004a6e18781SLeonid Yegoshin bool 2005a6e18781SLeonid Yegoshin 2006c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 2007c5b36783SSteven J. Hill bool 20089ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 2009c5b36783SSteven J. Hill 20107fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 20117fd08ca5SLeonid Yegoshin bool 20129ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20137fd08ca5SLeonid Yegoshin 20147cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 20157cf8053bSRalf Baechle bool 20167cf8053bSRalf Baechle 20177cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 20187cf8053bSRalf Baechle bool 20197cf8053bSRalf Baechle 20207fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 20217fd08ca5SLeonid Yegoshin bool 20229ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20237fd08ca5SLeonid Yegoshin 2024281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600 2025281e3aeaSSerge Semin bool 2026281e3aeaSSerge Semin select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 2027281e3aeaSSerge Semin 20287cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 20297cf8053bSRalf Baechle bool 20307cf8053bSRalf Baechle 20317cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 20327cf8053bSRalf Baechle bool 20337cf8053bSRalf Baechle 20347cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 20357cf8053bSRalf Baechle bool 20367cf8053bSRalf Baechle 203765ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300 203865ce6197SLauri Kasanen bool 203965ce6197SLauri Kasanen 20407cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 20417cf8053bSRalf Baechle bool 20427cf8053bSRalf Baechle 20437cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 20447cf8053bSRalf Baechle bool 20457cf8053bSRalf Baechle 20467cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 20477cf8053bSRalf Baechle bool 20487cf8053bSRalf Baechle 2049542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 2050542c1020SShinya Kuribayashi bool 2051542c1020SShinya Kuribayashi 20527cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 20537cf8053bSRalf Baechle bool 20547cf8053bSRalf Baechle 20557cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20567cf8053bSRalf Baechle bool 20579ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20587cf8053bSRalf Baechle 20597cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20607cf8053bSRalf Baechle bool 20617cf8053bSRalf Baechle 20627cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20637cf8053bSRalf Baechle bool 20647cf8053bSRalf Baechle 20655e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20665e683389SDavid Daney bool 20675e683389SDavid Daney 2068cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2069c1c0c461SKevin Cernekee bool 2070c1c0c461SKevin Cernekee 2071fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2072c1c0c461SKevin Cernekee bool 2073cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2074c1c0c461SKevin Cernekee 2075c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2076c1c0c461SKevin Cernekee bool 2077cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2078c1c0c461SKevin Cernekee 2079c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2080c1c0c461SKevin Cernekee bool 2081cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2082c1c0c461SKevin Cernekee 2083c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2084c1c0c461SKevin Cernekee bool 2085cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2086f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2087c1c0c461SKevin Cernekee 20887f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20897f058e85SJayachandran C bool 20907f058e85SJayachandran C 20911c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20921c773ea4SJayachandran C bool 20931c773ea4SJayachandran C 209417099b11SRalf Baechle# 209517099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 209617099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 209717099b11SRalf Baechle# 20980004a9dfSRalf Baechleconfig WEAK_ORDERING 20990004a9dfSRalf Baechle bool 210017099b11SRalf Baechle 210117099b11SRalf Baechle# 210217099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 210317099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 210417099b11SRalf Baechle# 210517099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 210617099b11SRalf Baechle bool 21075e83d430SRalf Baechleendmenu 21085e83d430SRalf Baechle 21095e83d430SRalf Baechle# 21105e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 21115e83d430SRalf Baechle# 21125e83d430SRalf Baechleconfig CPU_MIPS32 21135e83d430SRalf Baechle bool 2114ab7c01fdSSerge Semin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 2115281e3aeaSSerge Semin CPU_MIPS32_R6 || CPU_P5600 21165e83d430SRalf Baechle 21175e83d430SRalf Baechleconfig CPU_MIPS64 21185e83d430SRalf Baechle bool 2119ab7c01fdSSerge Semin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 21205a4fa44fSJason A. Donenfeld CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON 21215e83d430SRalf Baechle 21225e83d430SRalf Baechle# 212357eeacedSPaul Burton# These indicate the revision of the architecture 21245e83d430SRalf Baechle# 21255e83d430SRalf Baechleconfig CPU_MIPSR1 21265e83d430SRalf Baechle bool 21275e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 21285e83d430SRalf Baechle 21295e83d430SRalf Baechleconfig CPU_MIPSR2 21305e83d430SRalf Baechle bool 2131a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 21328256b17eSFlorian Fainelli select CPU_HAS_RIXI 2133ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2134a7e07b1aSMarkos Chandras select MIPS_SPRAM 21355e83d430SRalf Baechle 2136ab7c01fdSSerge Seminconfig CPU_MIPSR5 2137ab7c01fdSSerge Semin bool 2138281e3aeaSSerge Semin default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 2139ab7c01fdSSerge Semin select CPU_HAS_RIXI 2140ab7c01fdSSerge Semin select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2141ab7c01fdSSerge Semin select MIPS_SPRAM 2142ab7c01fdSSerge Semin 21437fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 21447fd08ca5SLeonid Yegoshin bool 21457fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 21468256b17eSFlorian Fainelli select CPU_HAS_RIXI 2147ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 214887321fddSPaul Burton select HAVE_ARCH_BITREVERSE 21492db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 21504a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2151a7e07b1aSMarkos Chandras select MIPS_SPRAM 21525e83d430SRalf Baechle 215357eeacedSPaul Burtonconfig TARGET_ISA_REV 215457eeacedSPaul Burton int 215557eeacedSPaul Burton default 1 if CPU_MIPSR1 215657eeacedSPaul Burton default 2 if CPU_MIPSR2 2157ab7c01fdSSerge Semin default 5 if CPU_MIPSR5 215857eeacedSPaul Burton default 6 if CPU_MIPSR6 215957eeacedSPaul Burton default 0 216057eeacedSPaul Burton help 216157eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 216257eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 216357eeacedSPaul Burton 2164a6e18781SLeonid Yegoshinconfig EVA 2165a6e18781SLeonid Yegoshin bool 2166a6e18781SLeonid Yegoshin 2167c5b36783SSteven J. Hillconfig XPA 2168c5b36783SSteven J. Hill bool 2169c5b36783SSteven J. Hill 21705e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21715e83d430SRalf Baechle bool 21725e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21735e83d430SRalf Baechle bool 21745e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21755e83d430SRalf Baechle bool 21765e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21775e83d430SRalf Baechle bool 217855045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 217955045ff5SWu Zhangjin bool 218055045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 218155045ff5SWu Zhangjin bool 21829cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21839cffd154SDavid Daney bool 2184171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 218582622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 218682622284SDavid Daney bool 2187c6972fb9SHuang Pei depends on 64BIT 2188c6972fb9SHuang Pei default y if (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21895e83d430SRalf Baechle 21908192c9eaSDavid Daney# 21918192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21928192c9eaSDavid Daney# 21938192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21948192c9eaSDavid Daney bool 2195679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21968192c9eaSDavid Daney 21975e83d430SRalf Baechlemenu "Kernel type" 21985e83d430SRalf Baechle 21995e83d430SRalf Baechlechoice 22005e83d430SRalf Baechle prompt "Kernel code model" 22015e83d430SRalf Baechle help 22025e83d430SRalf Baechle You should only select this option if you have a workload that 22035e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 22045e83d430SRalf Baechle large memory. You will only be presented a single option in this 22055e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 22065e83d430SRalf Baechle 22075e83d430SRalf Baechleconfig 32BIT 22085e83d430SRalf Baechle bool "32-bit kernel" 22095e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 22105e83d430SRalf Baechle select TRAD_SIGNALS 22115e83d430SRalf Baechle help 22125e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2213f17c4ca3SRalf Baechle 22145e83d430SRalf Baechleconfig 64BIT 22155e83d430SRalf Baechle bool "64-bit kernel" 22165e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 22175e83d430SRalf Baechle help 22185e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 22195e83d430SRalf Baechle 22205e83d430SRalf Baechleendchoice 22215e83d430SRalf Baechle 22221e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 22231e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 22241e321fa9SLeonid Yegoshin depends on 64BIT 22251e321fa9SLeonid Yegoshin help 22263377e227SAlex Belits Support a maximum at least 48 bits of application virtual 22273377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 22283377e227SAlex Belits For page sizes 16k and above, this option results in a small 22293377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 22303377e227SAlex Belits level of page tables is added which imposes both a memory 22313377e227SAlex Belits overhead as well as slower TLB fault handling. 22323377e227SAlex Belits 22331e321fa9SLeonid Yegoshin If unsure, say N. 22341e321fa9SLeonid Yegoshin 22351da177e4SLinus Torvaldschoice 22361da177e4SLinus Torvalds prompt "Kernel page size" 22371da177e4SLinus Torvalds default PAGE_SIZE_4KB 22381da177e4SLinus Torvalds 22391da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 22401da177e4SLinus Torvalds bool "4kB" 2241268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 22421da177e4SLinus Torvalds help 22431da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 22441da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 22451da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 22461da177e4SLinus Torvalds recommended for low memory systems. 22471da177e4SLinus Torvalds 22481da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22491da177e4SLinus Torvalds bool "8kB" 2250c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22511e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22521da177e4SLinus Torvalds help 22531da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22541da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2255c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2256c2aeaaeaSPaul Burton distribution to support this. 22571da177e4SLinus Torvalds 22581da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22591da177e4SLinus Torvalds bool "16kB" 2260714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22611da177e4SLinus Torvalds help 22621da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22631da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2264714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2265714bfad6SRalf Baechle Linux distribution to support this. 22661da177e4SLinus Torvalds 2267c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2268c52399beSRalf Baechle bool "32kB" 2269c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22701e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2271c52399beSRalf Baechle help 2272c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2273c52399beSRalf Baechle the price of higher memory consumption. This option is available 2274c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2275c52399beSRalf Baechle distribution to support this. 2276c52399beSRalf Baechle 22771da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22781da177e4SLinus Torvalds bool "64kB" 22793b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22801da177e4SLinus Torvalds help 22811da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22821da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22831da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2284714bfad6SRalf Baechle writing this option is still high experimental. 22851da177e4SLinus Torvalds 22861da177e4SLinus Torvaldsendchoice 22871da177e4SLinus Torvalds 2288c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2289c9bace7cSDavid Daney int "Maximum zone order" 2290e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2291e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2292e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2293e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2294e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2295e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2296ef923a76SPaul Cercueil range 0 64 2297c9bace7cSDavid Daney default "11" 2298c9bace7cSDavid Daney help 2299c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2300c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2301c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2302c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2303c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2304c9bace7cSDavid Daney increase this value. 2305c9bace7cSDavid Daney 2306c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2307c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2308c9bace7cSDavid Daney 2309c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2310c9bace7cSDavid Daney when choosing a value for this option. 2311c9bace7cSDavid Daney 23121da177e4SLinus Torvaldsconfig BOARD_SCACHE 23131da177e4SLinus Torvalds bool 23141da177e4SLinus Torvalds 23151da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 23161da177e4SLinus Torvalds bool 23171da177e4SLinus Torvalds select BOARD_SCACHE 23181da177e4SLinus Torvalds 23199318c51aSChris Dearman# 23209318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 23219318c51aSChris Dearman# 23229318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 23239318c51aSChris Dearman bool 23249318c51aSChris Dearman select BOARD_SCACHE 23259318c51aSChris Dearman 23261da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 23271da177e4SLinus Torvalds bool 23281da177e4SLinus Torvalds select BOARD_SCACHE 23291da177e4SLinus Torvalds 23301da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 23311da177e4SLinus Torvalds bool 23321da177e4SLinus Torvalds select BOARD_SCACHE 23331da177e4SLinus Torvalds 23341da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 23351da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 23361da177e4SLinus Torvalds depends on CPU_SB1 23371da177e4SLinus Torvalds help 23381da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 23391da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 23401da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 23411da177e4SLinus Torvalds 23421da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2343c8094b53SRalf Baechle bool 23441da177e4SLinus Torvalds 23453165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 23463165c846SFlorian Fainelli bool 2347c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 23483165c846SFlorian Fainelli 2349c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2350183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2351183b40f9SPaul Burton default y 2352183b40f9SPaul Burton help 2353183b40f9SPaul Burton Select y to include support for floating point in the kernel 2354183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2355183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2356183b40f9SPaul Burton userland program attempting to use floating point instructions will 2357183b40f9SPaul Burton receive a SIGILL. 2358183b40f9SPaul Burton 2359183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2360183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2361183b40f9SPaul Burton 2362183b40f9SPaul Burton If unsure, say y. 2363c92e47e5SPaul Burton 236497f7dcbfSPaul Burtonconfig CPU_R2300_FPU 236597f7dcbfSPaul Burton bool 2366c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 236797f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 236897f7dcbfSPaul Burton 236954746829SPaul Burtonconfig CPU_R3K_TLB 237054746829SPaul Burton bool 237154746829SPaul Burton 237291405eb6SFlorian Fainelliconfig CPU_R4K_FPU 237391405eb6SFlorian Fainelli bool 2374c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 237597f7dcbfSPaul Burton default y if !CPU_R2300_FPU 237691405eb6SFlorian Fainelli 237762cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 237862cedc4fSFlorian Fainelli bool 237954746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 238062cedc4fSFlorian Fainelli 238159d6ab86SRalf Baechleconfig MIPS_MT_SMP 2382a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23835cbf9688SPaul Burton default y 2384527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 238559d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2386d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2387c080faa5SSteven J. Hill select SYNC_R4K 238859d6ab86SRalf Baechle select MIPS_MT 238959d6ab86SRalf Baechle select SMP 239087353d8aSRalf Baechle select SMP_UP 2391c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2392c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2393399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 239459d6ab86SRalf Baechle help 2395c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2396c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2397c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2398c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2399c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 240059d6ab86SRalf Baechle 2401f41ae0b2SRalf Baechleconfig MIPS_MT 2402f41ae0b2SRalf Baechle bool 2403f41ae0b2SRalf Baechle 24040ab7aefcSRalf Baechleconfig SCHED_SMT 24050ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 24060ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 24070ab7aefcSRalf Baechle default n 24080ab7aefcSRalf Baechle help 24090ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 24100ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 24110ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 24120ab7aefcSRalf Baechle 24130ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 24140ab7aefcSRalf Baechle bool 24150ab7aefcSRalf Baechle 2416f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2417f41ae0b2SRalf Baechle bool 2418f41ae0b2SRalf Baechle 2419f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2420f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2421f088fc84SRalf Baechle default y 2422b633648cSRalf Baechle depends on MIPS_MT_SMP 242307cc0c9eSRalf Baechle 2424b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2425b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 24269eaa9a82SPaul Burton depends on CPU_MIPSR6 2427c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2428b0a668fbSLeonid Yegoshin default y 2429b0a668fbSLeonid Yegoshin help 2430b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2431b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 243207edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2433b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2434b0a668fbSLeonid Yegoshin final kernel image. 2435b0a668fbSLeonid Yegoshin 2436f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2437f35764e7SJames Hogan bool 2438f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2439f35764e7SJames Hogan help 2440f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2441f35764e7SJames Hogan physical_memsize. 2442f35764e7SJames Hogan 244307cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 244407cc0c9eSRalf Baechle bool "VPE loader support." 2445f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 244607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 244707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 244807cc0c9eSRalf Baechle select MIPS_MT 244907cc0c9eSRalf Baechle help 245007cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 245107cc0c9eSRalf Baechle onto another VPE and running it. 2452f088fc84SRalf Baechle 245317a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 245417a1d523SDeng-Cheng Zhu bool 245517a1d523SDeng-Cheng Zhu default "y" 245617a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 245717a1d523SDeng-Cheng Zhu 24581a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24591a2a6d7eSDeng-Cheng Zhu bool 24601a2a6d7eSDeng-Cheng Zhu default "y" 24611a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24621a2a6d7eSDeng-Cheng Zhu 2463e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2464e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2465e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2466e01402b1SRalf Baechle default y 2467e01402b1SRalf Baechle help 2468e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2469e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2470e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2471e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2472e01402b1SRalf Baechle 2473e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2474e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2475e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2476e01402b1SRalf Baechle 2477da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2478da615cf6SDeng-Cheng Zhu bool 2479da615cf6SDeng-Cheng Zhu default "y" 2480da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2481da615cf6SDeng-Cheng Zhu 24822c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24832c973ef0SDeng-Cheng Zhu bool 24842c973ef0SDeng-Cheng Zhu default "y" 24852c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24862c973ef0SDeng-Cheng Zhu 24874a16ff4cSRalf Baechleconfig MIPS_CMP 24885cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24895676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2490b10b43baSMarkos Chandras select SMP 2491eb9b5141STim Anderson select SYNC_R4K 2492b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24934a16ff4cSRalf Baechle select WEAK_ORDERING 24944a16ff4cSRalf Baechle default n 24954a16ff4cSRalf Baechle help 2496044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2497044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2498044505c7SPaul Burton its ability to start secondary CPUs. 24994a16ff4cSRalf Baechle 25005cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 25015cac93b3SPaul Burton instead of this. 25025cac93b3SPaul Burton 25030ee958e1SPaul Burtonconfig MIPS_CPS 25040ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 25055a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 25060ee958e1SPaul Burton select MIPS_CM 25071d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 25080ee958e1SPaul Burton select SMP 25090ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 25101d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2511c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 25120ee958e1SPaul Burton select SYS_SUPPORTS_SMP 25130ee958e1SPaul Burton select WEAK_ORDERING 2514d8d3276bSWei Li select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 25150ee958e1SPaul Burton help 25160ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 25170ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 25180ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 25190ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 25200ee958e1SPaul Burton support is unavailable. 25210ee958e1SPaul Burton 25223179d37eSPaul Burtonconfig MIPS_CPS_PM 252339a59593SMarkos Chandras depends on MIPS_CPS 25243179d37eSPaul Burton bool 25253179d37eSPaul Burton 25269f98f3ddSPaul Burtonconfig MIPS_CM 25279f98f3ddSPaul Burton bool 25283c9b4166SPaul Burton select MIPS_CPC 25299f98f3ddSPaul Burton 25309c38cf44SPaul Burtonconfig MIPS_CPC 25319c38cf44SPaul Burton bool 25322600990eSRalf Baechle 25331da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 25341da177e4SLinus Torvalds bool 25351da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 25361da177e4SLinus Torvalds default y 25371da177e4SLinus Torvalds 25381da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 25391da177e4SLinus Torvalds bool 25401da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 25411da177e4SLinus Torvalds default y 25421da177e4SLinus Torvalds 25439e2b5372SMarkos Chandraschoice 25449e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 25459e2b5372SMarkos Chandras 25469e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 25479e2b5372SMarkos Chandras bool "None" 25489e2b5372SMarkos Chandras help 25499e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25509e2b5372SMarkos Chandras 25519693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25529693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25539e2b5372SMarkos Chandras bool "SmartMIPS" 25549693a853SFranck Bui-Huu help 25559693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25569693a853SFranck Bui-Huu increased security at both hardware and software level for 25579693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25589693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25599693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25609693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25619693a853SFranck Bui-Huu here. 25629693a853SFranck Bui-Huu 2563bce86083SSteven J. Hillconfig CPU_MICROMIPS 25647fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25659e2b5372SMarkos Chandras bool "microMIPS" 2566bce86083SSteven J. Hill help 2567bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2568bce86083SSteven J. Hill microMIPS ISA 2569bce86083SSteven J. Hill 25709e2b5372SMarkos Chandrasendchoice 25719e2b5372SMarkos Chandras 2572a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25730ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2574a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2575c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25762a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2577a5e9a69eSPaul Burton help 2578a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2579a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25801db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25811db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25821db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25831db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25841db1af84SPaul Burton the size & complexity of your kernel. 2585a5e9a69eSPaul Burton 2586a5e9a69eSPaul Burton If unsure, say Y. 2587a5e9a69eSPaul Burton 25881da177e4SLinus Torvaldsconfig CPU_HAS_WB 2589f7062ddbSRalf Baechle bool 2590e01402b1SRalf Baechle 2591df0ac8a4SKevin Cernekeeconfig XKS01 2592df0ac8a4SKevin Cernekee bool 2593df0ac8a4SKevin Cernekee 2594ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI 2595ba9196d2SJiaxun Yang depends on !CPU_DIEI_BROKEN 2596ba9196d2SJiaxun Yang bool 2597ba9196d2SJiaxun Yang 2598ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN 2599ba9196d2SJiaxun Yang bool 2600ba9196d2SJiaxun Yang 26018256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 26028256b17eSFlorian Fainelli bool 26038256b17eSFlorian Fainelli 260418d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR 2605932afdeeSYasha Cherikovsky bool 2606932afdeeSYasha Cherikovsky help 260718d84e2eSAlexander Lobakin CPU lacks support for unaligned load and store instructions: 2608932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 260918d84e2eSAlexander Lobakin LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 261018d84e2eSAlexander Lobakin systems). 2611932afdeeSYasha Cherikovsky 2612f41ae0b2SRalf Baechle# 2613f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2614f41ae0b2SRalf Baechle# 2615e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2616f41ae0b2SRalf Baechle bool 2617e01402b1SRalf Baechle 2618f41ae0b2SRalf Baechle# 2619f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2620f41ae0b2SRalf Baechle# 2621e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2622f41ae0b2SRalf Baechle bool 2623e01402b1SRalf Baechle 26241da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 26251da177e4SLinus Torvalds bool 26261da177e4SLinus Torvalds depends on !CPU_R3000 26271da177e4SLinus Torvalds default y 26281da177e4SLinus Torvalds 26291da177e4SLinus Torvalds# 263020d60d99SMaciej W. Rozycki# CPU non-features 263120d60d99SMaciej W. Rozycki# 263220d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 263320d60d99SMaciej W. Rozycki bool 263420d60d99SMaciej W. Rozycki 263520d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 263620d60d99SMaciej W. Rozycki bool 263720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 263820d60d99SMaciej W. Rozycki 263920d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 264020d60d99SMaciej W. Rozycki bool 264120d60d99SMaciej W. Rozycki 2642071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2643071d2f0bSPaul Burton bool 2644071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2645071d2f0bSPaul Burton 26464edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 26474edf00a4SPaul Burton int 26484edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26494edf00a4SPaul Burton default 0 26504edf00a4SPaul Burton 26514edf00a4SPaul Burtonconfig MIPS_ASID_BITS 26524edf00a4SPaul Burton int 26532db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 26544edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26554edf00a4SPaul Burton default 8 26564edf00a4SPaul Burton 26572db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26582db003a5SPaul Burton bool 26592db003a5SPaul Burton 26604a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26614a5dc51eSMarcin Nowakowski bool 26624a5dc51eSMarcin Nowakowski 2663802b8362SThomas Bogendoerfer# R4600 erratum. Due to the lack of errata information the exact 2664802b8362SThomas Bogendoerfer# technical details aren't known. I've experimentally found that disabling 2665802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal 2666802b8362SThomas Bogendoerfer# with the issue. 2667802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP 2668802b8362SThomas Bogendoerfer bool 2669802b8362SThomas Bogendoerfer 26705e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata: 26715e5b6527SThomas Bogendoerfer# 26725e5b6527SThomas Bogendoerfer# 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D, 26735e5b6527SThomas Bogendoerfer# Hit_Invalidate_D and Create_Dirty_Excl_D should only be 26745e5b6527SThomas Bogendoerfer# executed if there is no other dcache activity. If the dcache is 267518ff14c8SColin Ian King# accessed for another instruction immediately preceding when these 26765e5b6527SThomas Bogendoerfer# cache instructions are executing, it is possible that the dcache 26775e5b6527SThomas Bogendoerfer# tag match outputs used by these cache instructions will be 26785e5b6527SThomas Bogendoerfer# incorrect. These cache instructions should be preceded by at least 26795e5b6527SThomas Bogendoerfer# four instructions that are not any kind of load or store 26805e5b6527SThomas Bogendoerfer# instruction. 26815e5b6527SThomas Bogendoerfer# 26825e5b6527SThomas Bogendoerfer# This is not allowed: lw 26835e5b6527SThomas Bogendoerfer# nop 26845e5b6527SThomas Bogendoerfer# nop 26855e5b6527SThomas Bogendoerfer# nop 26865e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 26875e5b6527SThomas Bogendoerfer# 26885e5b6527SThomas Bogendoerfer# This is allowed: lw 26895e5b6527SThomas Bogendoerfer# nop 26905e5b6527SThomas Bogendoerfer# nop 26915e5b6527SThomas Bogendoerfer# nop 26925e5b6527SThomas Bogendoerfer# nop 26935e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 26945e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP 26955e5b6527SThomas Bogendoerfer bool 26965e5b6527SThomas Bogendoerfer 269744def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA. 269844def342SThomas Bogendoerfer# 269944def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D, 270044def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only 270144def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty. These 270244def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss 270344def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer." 270444def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/ 270544def342SThomas Bogendoerfer# in .pdf format.) 270644def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP 270744def342SThomas Bogendoerfer bool 270844def342SThomas Bogendoerfer 270924a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for 271024a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following 271124a1c023SThomas Bogendoerfer# operation is not guaranteed." 271224a1c023SThomas Bogendoerfer# 271324a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I 271424a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV 271524a1c023SThomas Bogendoerfer bool 271624a1c023SThomas Bogendoerfer 2717886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra 2718886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same 2719886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious 2720886ee136SThomas Bogendoerfer# exceptions. 2721886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS 2722886ee136SThomas Bogendoerfer bool 2723886ee136SThomas Bogendoerfer 2724256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that 2725256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically. 2726256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC 2727256ec489SThomas Bogendoerfer bool 2728256ec489SThomas Bogendoerfer 2729a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction" 2730a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB 2731a7fbed98SThomas Bogendoerfer bool 2732a7fbed98SThomas Bogendoerfer 273320d60d99SMaciej W. Rozycki# 27341da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 27351da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 27361da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 27371da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 27381da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 27391da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 27401da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 27411da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2742797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2743797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2744797798c1SRalf Baechle# support. 27451da177e4SLinus Torvalds# 27461da177e4SLinus Torvaldsconfig HIGHMEM 27471da177e4SLinus Torvalds bool "High Memory Support" 2748a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2749a4c33e83SThomas Gleixner select KMAP_LOCAL 2750797798c1SRalf Baechle 2751797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2752797798c1SRalf Baechle bool 2753797798c1SRalf Baechle 2754797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2755797798c1SRalf Baechle bool 27561da177e4SLinus Torvalds 27579693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 27589693a853SFranck Bui-Huu bool 27599693a853SFranck Bui-Huu 2760a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2761a6a4834cSSteven J. Hill bool 2762a6a4834cSSteven J. Hill 2763377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2764377cb1b6SRalf Baechle bool 2765377cb1b6SRalf Baechle help 2766377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2767377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2768377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2769377cb1b6SRalf Baechle 2770a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2771a5e9a69eSPaul Burton bool 2772a5e9a69eSPaul Burton 2773b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2774b4819b59SYoichi Yuasa def_bool y 2775268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2776b4819b59SYoichi Yuasa 2777b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2778b1c6cd42SAtsushi Nemoto bool 2779397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 278031473747SAtsushi Nemoto 2781d8cb4e11SRalf Baechleconfig NUMA 2782d8cb4e11SRalf Baechle bool "NUMA Support" 2783d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2784cf8194e4STiezhu Yang select SMP 2785d8cb4e11SRalf Baechle help 2786d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2787d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2788d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2789172a37e9SRandy Dunlap leave it disabled; on single node systems leave this option 2790d8cb4e11SRalf Baechle disabled. 2791d8cb4e11SRalf Baechle 2792d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2793d8cb4e11SRalf Baechle bool 2794d8cb4e11SRalf Baechle 2795f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA 2796f3c560a6SThomas Bogendoerfer def_bool y 2797f3c560a6SThomas Bogendoerfer depends on NUMA 2798f3c560a6SThomas Bogendoerfer 2799f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK 2800f3c560a6SThomas Bogendoerfer def_bool y 2801f3c560a6SThomas Bogendoerfer depends on NUMA 2802f3c560a6SThomas Bogendoerfer 28038c530ea3SMatt Redfearnconfig RELOCATABLE 28048c530ea3SMatt Redfearn bool "Relocatable kernel" 2805ab7c01fdSSerge Semin depends on SYS_SUPPORTS_RELOCATABLE 2806ab7c01fdSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2807ab7c01fdSSerge Semin CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2808ab7c01fdSSerge Semin CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2809a307a4ceSJinyang He CPU_P5600 || CAVIUM_OCTEON_SOC || \ 2810a307a4ceSJinyang He CPU_LOONGSON64 28118c530ea3SMatt Redfearn help 28128c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 28138c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 28148c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 28158c530ea3SMatt Redfearn but are discarded at runtime 28168c530ea3SMatt Redfearn 2817069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2818069fd766SMatt Redfearn hex "Relocation table size" 2819069fd766SMatt Redfearn depends on RELOCATABLE 2820069fd766SMatt Redfearn range 0x0 0x01000000 2821a307a4ceSJinyang He default "0x00200000" if CPU_LOONGSON64 2822069fd766SMatt Redfearn default "0x00100000" 2823a7f7f624SMasahiro Yamada help 2824069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2825069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2826069fd766SMatt Redfearn 2827069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2828069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2829069fd766SMatt Redfearn 2830069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2831069fd766SMatt Redfearn 2832069fd766SMatt Redfearn If unsure, leave at the default value. 2833069fd766SMatt Redfearn 2834405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2835405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2836405bc8fdSMatt Redfearn depends on RELOCATABLE 2837a7f7f624SMasahiro Yamada help 2838405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2839405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2840405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2841405bc8fdSMatt Redfearn of kernel internals. 2842405bc8fdSMatt Redfearn 2843405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2844405bc8fdSMatt Redfearn 2845405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2846405bc8fdSMatt Redfearn 2847405bc8fdSMatt Redfearn If unsure, say N. 2848405bc8fdSMatt Redfearn 2849405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2850405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2851405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2852405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2853405bc8fdSMatt Redfearn range 0x0 0x08000000 2854405bc8fdSMatt Redfearn default "0x01000000" 2855a7f7f624SMasahiro Yamada help 2856405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2857405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2858405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2859405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2860405bc8fdSMatt Redfearn 2861405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2862405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2863405bc8fdSMatt Redfearn 2864c80d79d7SYasunori Gotoconfig NODES_SHIFT 2865c80d79d7SYasunori Goto int 2866c80d79d7SYasunori Goto default "6" 2867c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2868c80d79d7SYasunori Goto 286914f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 287014f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2871e2589589SViresh Kumar depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 287214f70012SDeng-Cheng Zhu default y 287314f70012SDeng-Cheng Zhu help 287414f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 287514f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 287614f70012SDeng-Cheng Zhu 2877be8fa1cbSTiezhu Yangconfig DMI 2878be8fa1cbSTiezhu Yang bool "Enable DMI scanning" 2879be8fa1cbSTiezhu Yang depends on MACH_LOONGSON64 2880be8fa1cbSTiezhu Yang select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2881be8fa1cbSTiezhu Yang default y 2882be8fa1cbSTiezhu Yang help 2883be8fa1cbSTiezhu Yang Enabled scanning of DMI to identify machine quirks. Say Y 2884be8fa1cbSTiezhu Yang here unless you have verified that your setup is not 2885be8fa1cbSTiezhu Yang affected by entries in the DMI blacklist. Required by PNP 2886be8fa1cbSTiezhu Yang BIOS code. 2887be8fa1cbSTiezhu Yang 28881da177e4SLinus Torvaldsconfig SMP 28891da177e4SLinus Torvalds bool "Multi-Processing support" 2890e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2891e73ea273SRalf Baechle help 28921da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 28934a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 28944a474157SRobert Graffham than one CPU, say Y. 28951da177e4SLinus Torvalds 28964a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 28971da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 28981da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 28994a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 29001da177e4SLinus Torvalds will run faster if you say N here. 29011da177e4SLinus Torvalds 29021da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 29031da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 29041da177e4SLinus Torvalds 290503502faaSAdrian Bunk See also the SMP-HOWTO available at 2906ef054ad3SAlexander A. Klimov <https://www.tldp.org/docs.html#howto>. 29071da177e4SLinus Torvalds 29081da177e4SLinus Torvalds If you don't know what to do here, say N. 29091da177e4SLinus Torvalds 29107840d618SMatt Redfearnconfig HOTPLUG_CPU 29117840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 29127840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 29137840d618SMatt Redfearn help 29147840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 29157840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 29167840d618SMatt Redfearn (Note: power management support will enable this option 29177840d618SMatt Redfearn automatically on SMP systems. ) 29187840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 29197840d618SMatt Redfearn 292087353d8aSRalf Baechleconfig SMP_UP 292187353d8aSRalf Baechle bool 292287353d8aSRalf Baechle 29234a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 29244a16ff4cSRalf Baechle bool 29254a16ff4cSRalf Baechle 29260ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 29270ee958e1SPaul Burton bool 29280ee958e1SPaul Burton 2929e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2930e73ea273SRalf Baechle bool 2931e73ea273SRalf Baechle 2932130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2933130e2fb7SRalf Baechle bool 2934130e2fb7SRalf Baechle 2935130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2936130e2fb7SRalf Baechle bool 2937130e2fb7SRalf Baechle 2938130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2939130e2fb7SRalf Baechle bool 2940130e2fb7SRalf Baechle 2941130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2942130e2fb7SRalf Baechle bool 2943130e2fb7SRalf Baechle 2944130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2945130e2fb7SRalf Baechle bool 2946130e2fb7SRalf Baechle 29471da177e4SLinus Torvaldsconfig NR_CPUS 2948a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2949a91796a9SJayachandran C range 2 256 29501da177e4SLinus Torvalds depends on SMP 2951130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2952130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2953130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2954130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2955130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 29561da177e4SLinus Torvalds help 29571da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 29581da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 29591da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 296072ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 296172ede9b1SAtsushi Nemoto and 2 for all others. 29621da177e4SLinus Torvalds 29631da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 296472ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 296572ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 296672ede9b1SAtsushi Nemoto power of two. 29671da177e4SLinus Torvalds 2968399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2969399aaa25SAl Cooper bool 2970399aaa25SAl Cooper 29717820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 29727820b84bSDavid Daney bool 29737820b84bSDavid Daney 29747820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 29757820b84bSDavid Daney int 29767820b84bSDavid Daney depends on SMP 29777820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 29787820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 29797820b84bSDavid Daney 29801723b4a3SAtsushi Nemoto# 29811723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 29821723b4a3SAtsushi Nemoto# 29831723b4a3SAtsushi Nemoto 29841723b4a3SAtsushi Nemotochoice 29851723b4a3SAtsushi Nemoto prompt "Timer frequency" 29861723b4a3SAtsushi Nemoto default HZ_250 29871723b4a3SAtsushi Nemoto help 29881723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 29891723b4a3SAtsushi Nemoto 299067596573SPaul Burton config HZ_24 299167596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 299267596573SPaul Burton 29931723b4a3SAtsushi Nemoto config HZ_48 29940f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 29951723b4a3SAtsushi Nemoto 29961723b4a3SAtsushi Nemoto config HZ_100 29971723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 29981723b4a3SAtsushi Nemoto 29991723b4a3SAtsushi Nemoto config HZ_128 30001723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 30011723b4a3SAtsushi Nemoto 30021723b4a3SAtsushi Nemoto config HZ_250 30031723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 30041723b4a3SAtsushi Nemoto 30051723b4a3SAtsushi Nemoto config HZ_256 30061723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 30071723b4a3SAtsushi Nemoto 30081723b4a3SAtsushi Nemoto config HZ_1000 30091723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 30101723b4a3SAtsushi Nemoto 30111723b4a3SAtsushi Nemoto config HZ_1024 30121723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 30131723b4a3SAtsushi Nemoto 30141723b4a3SAtsushi Nemotoendchoice 30151723b4a3SAtsushi Nemoto 301667596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 301767596573SPaul Burton bool 301867596573SPaul Burton 30191723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 30201723b4a3SAtsushi Nemoto bool 30211723b4a3SAtsushi Nemoto 30221723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 30231723b4a3SAtsushi Nemoto bool 30241723b4a3SAtsushi Nemoto 30251723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 30261723b4a3SAtsushi Nemoto bool 30271723b4a3SAtsushi Nemoto 30281723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 30291723b4a3SAtsushi Nemoto bool 30301723b4a3SAtsushi Nemoto 30311723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 30321723b4a3SAtsushi Nemoto bool 30331723b4a3SAtsushi Nemoto 30341723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 30351723b4a3SAtsushi Nemoto bool 30361723b4a3SAtsushi Nemoto 30371723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 30381723b4a3SAtsushi Nemoto bool 30391723b4a3SAtsushi Nemoto 30401723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 30411723b4a3SAtsushi Nemoto bool 304267596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 304367596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 304467596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 304567596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 304667596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 304767596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 304867596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 30491723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 30501723b4a3SAtsushi Nemoto 30511723b4a3SAtsushi Nemotoconfig HZ 30521723b4a3SAtsushi Nemoto int 305367596573SPaul Burton default 24 if HZ_24 30541723b4a3SAtsushi Nemoto default 48 if HZ_48 30551723b4a3SAtsushi Nemoto default 100 if HZ_100 30561723b4a3SAtsushi Nemoto default 128 if HZ_128 30571723b4a3SAtsushi Nemoto default 250 if HZ_250 30581723b4a3SAtsushi Nemoto default 256 if HZ_256 30591723b4a3SAtsushi Nemoto default 1000 if HZ_1000 30601723b4a3SAtsushi Nemoto default 1024 if HZ_1024 30611723b4a3SAtsushi Nemoto 306296685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 306396685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 306496685b17SDeng-Cheng Zhu 3065ea6e942bSAtsushi Nemotoconfig KEXEC 30667d60717eSKees Cook bool "Kexec system call" 30672965faa5SDave Young select KEXEC_CORE 3068ea6e942bSAtsushi Nemoto help 3069ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 3070ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 30713dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 3072ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 3073ea6e942bSAtsushi Nemoto 307401dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 3075ea6e942bSAtsushi Nemoto 3076ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 3077ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 3078bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 3079bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 3080bf220695SGeert Uytterhoeven made. 3081ea6e942bSAtsushi Nemoto 30827aa1c8f4SRalf Baechleconfig CRASH_DUMP 30837aa1c8f4SRalf Baechle bool "Kernel crash dumps" 30847aa1c8f4SRalf Baechle help 30857aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 30867aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 30877aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 30887aa1c8f4SRalf Baechle a specially reserved region and then later executed after 30897aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 30907aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 30917aa1c8f4SRalf Baechle PHYSICAL_START. 30927aa1c8f4SRalf Baechle 30937aa1c8f4SRalf Baechleconfig PHYSICAL_START 30947aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 30958bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 30967aa1c8f4SRalf Baechle depends on CRASH_DUMP 30977aa1c8f4SRalf Baechle help 30987aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 30997aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 31007aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 31017aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 31027aa1c8f4SRalf Baechle passed to the panic-ed kernel). 31037aa1c8f4SRalf Baechle 3104597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 3105b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 3106597ce172SPaul Burton depends on 32BIT || MIPS32_O32 3107597ce172SPaul Burton help 3108597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 3109597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 3110597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3111597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 3112597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 3113597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3114597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3115597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3116597ce172SPaul Burton saying N here. 3117597ce172SPaul Burton 311806e2e882SPaul Burton Although binutils currently supports use of this flag the details 311906e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 312018ff14c8SColin Ian King worked on. In order to avoid userland becoming dependent upon current 312106e2e882SPaul Burton behaviour before the details have been finalised, this option should 312206e2e882SPaul Burton be considered experimental and only enabled by those working upon 312306e2e882SPaul Burton said details. 312406e2e882SPaul Burton 312506e2e882SPaul Burton If unsure, say N. 3126597ce172SPaul Burton 3127f2ffa5abSDezhong Diaoconfig USE_OF 31280b3e06fdSJonas Gorski bool 3129f2ffa5abSDezhong Diao select OF 3130e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3131abd2363fSGrant Likely select IRQ_DOMAIN 3132f2ffa5abSDezhong Diao 31332fe8ea39SDengcheng Zhuconfig UHI_BOOT 31342fe8ea39SDengcheng Zhu bool 31352fe8ea39SDengcheng Zhu 31367fafb068SAndrew Brestickerconfig BUILTIN_DTB 31377fafb068SAndrew Bresticker bool 31387fafb068SAndrew Bresticker 31391da8f179SJonas Gorskichoice 31405b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 31411da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 31421da8f179SJonas Gorski 31431da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 31441da8f179SJonas Gorski bool "None" 31451da8f179SJonas Gorski help 31461da8f179SJonas Gorski Do not enable appended dtb support. 31471da8f179SJonas Gorski 314887db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 314987db537dSAaro Koskinen bool "vmlinux" 315087db537dSAaro Koskinen help 315187db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 315287db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 315387db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 315487db537dSAaro Koskinen objcopy: 315587db537dSAaro Koskinen 315687db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 315787db537dSAaro Koskinen 315818ff14c8SColin Ian King This is meant as a backward compatibility convenience for those 315987db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 316087db537dSAaro Koskinen the documented boot protocol using a device tree. 316187db537dSAaro Koskinen 31621da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3163b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 31641da8f179SJonas Gorski help 31651da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3166b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 31671da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 31681da8f179SJonas Gorski 31691da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 31701da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 31711da8f179SJonas Gorski the documented boot protocol using a device tree. 31721da8f179SJonas Gorski 31731da8f179SJonas Gorski Beware that there is very little in terms of protection against 31741da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 31751da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 31761da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 31771da8f179SJonas Gorski if you don't intend to always append a DTB. 31781da8f179SJonas Gorskiendchoice 31791da8f179SJonas Gorski 31802024972eSJonas Gorskichoice 31812024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 31822bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 318387fcfa7bSJiaxun Yang !MACH_LOONGSON64 && !MIPS_MALTA && \ 31842bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 31852024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 31862024972eSJonas Gorski 31872024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 31882024972eSJonas Gorski depends on USE_OF 31892024972eSJonas Gorski bool "Dtb kernel arguments if available" 31902024972eSJonas Gorski 31912024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 31922024972eSJonas Gorski depends on USE_OF 31932024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 31942024972eSJonas Gorski 31952024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 31962024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3197ed47e153SRabin Vincent 3198ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3199ed47e153SRabin Vincent depends on CMDLINE_BOOL 3200ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 32012024972eSJonas Gorskiendchoice 32022024972eSJonas Gorski 32035e83d430SRalf Baechleendmenu 32045e83d430SRalf Baechle 32051df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 32061df0f0ffSAtsushi Nemoto bool 32071df0f0ffSAtsushi Nemoto default y 32081df0f0ffSAtsushi Nemoto 32091df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 32101df0f0ffSAtsushi Nemoto bool 32111df0f0ffSAtsushi Nemoto default y 32121df0f0ffSAtsushi Nemoto 3213a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3214a728ab52SKirill A. Shutemov int 32153377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3216a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3217a728ab52SKirill A. Shutemov default 2 3218a728ab52SKirill A. Shutemov 32196c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 32206c359eb1SPaul Burton bool 32216c359eb1SPaul Burton 32221da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 32231da177e4SLinus Torvalds 3224c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 32252eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3226c5611df9SPaul Burton bool 3227c5611df9SPaul Burton 3228c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3229c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3230c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 32312eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 32321da177e4SLinus Torvalds 32331da177e4SLinus Torvalds# 32341da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 32351da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 32361da177e4SLinus Torvalds# users to choose the right thing ... 32371da177e4SLinus Torvalds# 32381da177e4SLinus Torvaldsconfig ISA 32391da177e4SLinus Torvalds bool 32401da177e4SLinus Torvalds 32411da177e4SLinus Torvaldsconfig TC 32421da177e4SLinus Torvalds bool "TURBOchannel support" 32431da177e4SLinus Torvalds depends on MACH_DECSTATION 32441da177e4SLinus Torvalds help 324550a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 324650a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 324750a23e6eSJustin P. Mattock at: 324850a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 324950a23e6eSJustin P. Mattock and: 325050a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 325150a23e6eSJustin P. Mattock Linux driver support status is documented at: 325250a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 32531da177e4SLinus Torvalds 32541da177e4SLinus Torvaldsconfig MMU 32551da177e4SLinus Torvalds bool 32561da177e4SLinus Torvalds default y 32571da177e4SLinus Torvalds 3258109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3259109c32ffSMatt Redfearn default 12 if 64BIT 3260109c32ffSMatt Redfearn default 8 3261109c32ffSMatt Redfearn 3262109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3263109c32ffSMatt Redfearn default 18 if 64BIT 3264109c32ffSMatt Redfearn default 15 3265109c32ffSMatt Redfearn 3266109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3267109c32ffSMatt Redfearn default 8 3268109c32ffSMatt Redfearn 3269109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3270109c32ffSMatt Redfearn default 15 3271109c32ffSMatt Redfearn 3272d865bea4SRalf Baechleconfig I8253 3273d865bea4SRalf Baechle bool 3274798778b8SRussell King select CLKSRC_I8253 32752d02612fSThomas Gleixner select CLKEVT_I8253 32769726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3277d865bea4SRalf Baechle 3278e05eb3f8SRalf Baechleconfig ZONE_DMA 3279e05eb3f8SRalf Baechle bool 3280e05eb3f8SRalf Baechle 3281cce335aeSRalf Baechleconfig ZONE_DMA32 3282cce335aeSRalf Baechle bool 3283cce335aeSRalf Baechle 32841da177e4SLinus Torvaldsendmenu 32851da177e4SLinus Torvalds 32861da177e4SLinus Torvaldsconfig TRAD_SIGNALS 32871da177e4SLinus Torvalds bool 32881da177e4SLinus Torvalds 32891da177e4SLinus Torvaldsconfig MIPS32_COMPAT 329078aaf956SRalf Baechle bool 32911da177e4SLinus Torvalds 32921da177e4SLinus Torvaldsconfig COMPAT 32931da177e4SLinus Torvalds bool 32941da177e4SLinus Torvalds 329505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 329605e43966SAtsushi Nemoto bool 329705e43966SAtsushi Nemoto 32981da177e4SLinus Torvaldsconfig MIPS32_O32 32991da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 330078aaf956SRalf Baechle depends on 64BIT 330178aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 330278aaf956SRalf Baechle select COMPAT 330378aaf956SRalf Baechle select MIPS32_COMPAT 330478aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 33051da177e4SLinus Torvalds help 33061da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 33071da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 33081da177e4SLinus Torvalds existing binaries are in this format. 33091da177e4SLinus Torvalds 33101da177e4SLinus Torvalds If unsure, say Y. 33111da177e4SLinus Torvalds 33121da177e4SLinus Torvaldsconfig MIPS32_N32 33131da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3314c22eacfeSRalf Baechle depends on 64BIT 33155a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 331678aaf956SRalf Baechle select COMPAT 331778aaf956SRalf Baechle select MIPS32_COMPAT 331878aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 33191da177e4SLinus Torvalds help 33201da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 33211da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 33221da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 33231da177e4SLinus Torvalds cases. 33241da177e4SLinus Torvalds 33251da177e4SLinus Torvalds If unsure, say N. 33261da177e4SLinus Torvalds 33272116245eSRalf Baechlemenu "Power management options" 3328952fa954SRodolfo Giometti 3329363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3330363c55caSWu Zhangjin def_bool y 33313f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3332363c55caSWu Zhangjin 3333f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3334f4cb5700SJohannes Berg def_bool y 33353f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3336f4cb5700SJohannes Berg 33372116245eSRalf Baechlesource "kernel/power/Kconfig" 3338952fa954SRodolfo Giometti 33391da177e4SLinus Torvaldsendmenu 33401da177e4SLinus Torvalds 33417a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 33427a998935SViresh Kumar bool 33437a998935SViresh Kumar 33447a998935SViresh Kumarmenu "CPU Power Management" 3345c095ebafSPaul Burton 3346c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 33477a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 33487a998935SViresh Kumarendif 33499726b43aSWu Zhangjin 3350c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3351c095ebafSPaul Burton 3352c095ebafSPaul Burtonendmenu 3353c095ebafSPaul Burton 335498cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 335598cdee0eSRalf Baechle 33562235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3357e91946d6SNathan Chancellor 3358e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig" 3359