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 734c01e41SAlexander Lobakin select ARCH_HAS_FORTIFY_SOURCE 834c01e41SAlexander Lobakin select ARCH_HAS_KCOV 934c01e41SAlexander Lobakin select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 1012597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 111e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 1212597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 131ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1412597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1525da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 160b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 179035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 1812597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1910916706SShile Zhang select BUILDTIME_TABLE_SORT 2012597988SMatt Redfearn select CLONE_BACKWARDS 2157eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 2212597988SMatt Redfearn select CPU_PM if CPU_IDLE 2312597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2412597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2512597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2612597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 2724640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 28b962aeb0SPaul Burton select GENERIC_IOMAP 2912597988SMatt Redfearn select GENERIC_IRQ_PROBE 3012597988SMatt Redfearn select GENERIC_IRQ_SHOW 316630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 32740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 33740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 34740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 35740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 36740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 3712597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 3812597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 3912597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 40446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 4112597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 42906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 4312597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 4488547001SJason Wessel select HAVE_ARCH_KGDB 45109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 46109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 47490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 48c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 4945e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 502ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 5136366e36SPaul Burton select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS 5212597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 53490f561bSFrederic Weisbecker select HAVE_TIF_NOHZ 5464575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5512597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5612597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5712597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5812597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5934c01e41SAlexander Lobakin select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2 6012597988SMatt Redfearn select HAVE_EXIT_THREAD 6167a929e0SChristoph Hellwig select HAVE_FAST_GUP 6212597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 6329c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 6412597988SMatt Redfearn select HAVE_FUNCTION_TRACER 6534c01e41SAlexander Lobakin select HAVE_GCC_PLUGINS 6634c01e41SAlexander Lobakin select HAVE_GENERIC_VDSO 6712597988SMatt Redfearn select HAVE_IDE 68b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 6912597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 7012597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 71c1bf207dSDavid Daney select HAVE_KPROBES 72c1bf207dSDavid Daney select HAVE_KRETPROBES 73c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 74786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 7542a0bb3fSPetr Mladek select HAVE_NMI 7612597988SMatt Redfearn select HAVE_OPROFILE 7712597988SMatt Redfearn select HAVE_PERF_EVENTS 7808bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 799ea141adSPaul Burton select HAVE_RSEQ 8016c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 81d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 8212597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 83a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 8412597988SMatt Redfearn select IRQ_FORCED_THREADING 856630a8e5SChristoph Hellwig select ISA if EISA 8612597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8734c01e41SAlexander Lobakin select MODULES_USE_ELF_RELA if MODULES && 64BIT 8812597988SMatt Redfearn select PERF_USE_VMALLOC 89*981aa1d3SThomas Gleixner select PCI_MSI_ARCH_FALLBACKS if PCI_MSI 9005a0a344SArnd Bergmann select RTC_LIB 9112597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 9212597988SMatt Redfearn select VIRT_TO_BUS 931da177e4SLinus Torvalds 94d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR 95d3991572SChristoph Hellwig bool 96d3991572SChristoph Hellwig 971da177e4SLinus Torvaldsmenu "Machine selection" 981da177e4SLinus Torvalds 995e83d430SRalf Baechlechoice 1005e83d430SRalf Baechle prompt "System type" 101d41e6858SMatt Redfearn default MIPS_GENERIC 1021da177e4SLinus Torvalds 103eed0eabdSPaul Burtonconfig MIPS_GENERIC 104eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 105eed0eabdSPaul Burton select BOOT_RAW 106eed0eabdSPaul Burton select BUILTIN_DTB 107eed0eabdSPaul Burton select CEVT_R4K 108eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 109eed0eabdSPaul Burton select COMMON_CLK 110eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 11134c01e41SAlexander Lobakin select CPU_MIPSR2_IRQ_VI 112eed0eabdSPaul Burton select CSRC_R4K 113eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 114eb01d42aSChristoph Hellwig select HAVE_PCI 115eed0eabdSPaul Burton select IRQ_MIPS_CPU 1160211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 117eed0eabdSPaul Burton select MIPS_CPU_SCACHE 118eed0eabdSPaul Burton select MIPS_GIC 119eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 120eed0eabdSPaul Burton select NO_EXCEPT_FILL 121eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 122eed0eabdSPaul Burton select SMP_UP if SMP 123a3078e59SMatt Redfearn select SWAP_IO_SPACE 124eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 125eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 126eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 127eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 128eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 129eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 130eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 131eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 132eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 133eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 134eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 135eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 136eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 13734c01e41SAlexander Lobakin select SYS_SUPPORTS_MIPS_CPS 138eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 139eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 140eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 14134c01e41SAlexander Lobakin select UHI_BOOT 1422e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1432e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1442e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1452e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1462e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1472e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 148eed0eabdSPaul Burton select USE_OF 149eed0eabdSPaul Burton help 150eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 151eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 152eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 153eed0eabdSPaul Burton Interface) specification. 154eed0eabdSPaul Burton 15542a4f17dSManuel Laussconfig MIPS_ALCHEMY 156c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 157d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 158f772cdb2SRalf Baechle select CEVT_R4K 159d7ea335cSSteven J. Hill select CSRC_R4K 16067e38cf2SRalf Baechle select IRQ_MIPS_CPU 16188e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 162d3991572SChristoph Hellwig select MIPS_FIXUP_BIGPHYS_ADDR if PCI 16342a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 16442a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 16542a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 166d30a2b47SLinus Walleij select GPIOLIB 1671b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 16847440229SManuel Lauss select COMMON_CLK 1691da177e4SLinus Torvalds 1707ca5dc14SFlorian Fainelliconfig AR7 1717ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1727ca5dc14SFlorian Fainelli select BOOT_ELF32 1737ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1747ca5dc14SFlorian Fainelli select CEVT_R4K 1757ca5dc14SFlorian Fainelli select CSRC_R4K 17667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1777ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1787ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1797ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1807ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1817ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1827ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 183377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1841b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 185d30a2b47SLinus Walleij select GPIOLIB 1867ca5dc14SFlorian Fainelli select VLYNQ 187bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 1887ca5dc14SFlorian Fainelli help 1897ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1907ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1917ca5dc14SFlorian Fainelli 19243cc739fSSergey Ryazanovconfig ATH25 19343cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 19443cc739fSSergey Ryazanov select CEVT_R4K 19543cc739fSSergey Ryazanov select CSRC_R4K 19643cc739fSSergey Ryazanov select DMA_NONCOHERENT 19767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1981753e74eSSergey Ryazanov select IRQ_DOMAIN 19943cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 20043cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 20143cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 2028aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 20343cc739fSSergey Ryazanov help 20443cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 20543cc739fSSergey Ryazanov 206d4a67d9dSGabor Juhosconfig ATH79 207d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 208ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 209d4a67d9dSGabor Juhos select BOOT_RAW 210d4a67d9dSGabor Juhos select CEVT_R4K 211d4a67d9dSGabor Juhos select CSRC_R4K 212d4a67d9dSGabor Juhos select DMA_NONCOHERENT 213d30a2b47SLinus Walleij select GPIOLIB 214a08227a2SJohn Crispin select PINCTRL 215411520afSAlban Bedel select COMMON_CLK 21667e38cf2SRalf Baechle select IRQ_MIPS_CPU 217d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 218d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 219d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 220d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 221377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 222b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 22303c8c407SAlban Bedel select USE_OF 22453d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 225d4a67d9dSGabor Juhos help 226d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 227d4a67d9dSGabor Juhos 2285f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2295f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 230d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 231d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 232d666cd02SKevin Cernekee select BOOT_RAW 233d666cd02SKevin Cernekee select NO_EXCEPT_FILL 234d666cd02SKevin Cernekee select USE_OF 235d666cd02SKevin Cernekee select CEVT_R4K 236d666cd02SKevin Cernekee select CSRC_R4K 237d666cd02SKevin Cernekee select SYNC_R4K 238d666cd02SKevin Cernekee select COMMON_CLK 239c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 24060b858f2SKevin Cernekee select BCM7038_L1_IRQ 24160b858f2SKevin Cernekee select BCM7120_L2_IRQ 24260b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 24367e38cf2SRalf Baechle select IRQ_MIPS_CPU 24460b858f2SKevin Cernekee select DMA_NONCOHERENT 245d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 24660b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 247d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 248d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 24960b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 25060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 25160b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 252d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 253d666cd02SKevin Cernekee select SWAP_IO_SPACE 25460b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25560b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 25660b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25760b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2584dc4704cSJustin Chen select HARDIRQS_SW_RESEND 259d666cd02SKevin Cernekee help 2605f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2615f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2625f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2635f2d4459SKevin Cernekee must be set appropriately for your board. 264d666cd02SKevin Cernekee 2651c0c13ebSAurelien Jarnoconfig BCM47XX 266c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 267fe08f8c2SHauke Mehrtens select BOOT_RAW 26842f77542SRalf Baechle select CEVT_R4K 269940f6b48SRalf Baechle select CSRC_R4K 2701c0c13ebSAurelien Jarno select DMA_NONCOHERENT 271eb01d42aSChristoph Hellwig select HAVE_PCI 27267e38cf2SRalf Baechle select IRQ_MIPS_CPU 273314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 274dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2751c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2761c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 277377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2786507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 27925e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 280e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 281c949c0bcSRafał Miłecki select GPIOLIB 282c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 283f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2842ab71a02SRafał Miłecki select BCM47XX_SPROM 285dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2861c0c13ebSAurelien Jarno help 2871c0c13ebSAurelien Jarno Support for BCM47XX based boards 2881c0c13ebSAurelien Jarno 289e7300d04SMaxime Bizonconfig BCM63XX 290e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 291ae8de61cSFlorian Fainelli select BOOT_RAW 292e7300d04SMaxime Bizon select CEVT_R4K 293e7300d04SMaxime Bizon select CSRC_R4K 294fc264022SJonas Gorski select SYNC_R4K 295e7300d04SMaxime Bizon select DMA_NONCOHERENT 29667e38cf2SRalf Baechle select IRQ_MIPS_CPU 297e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 298e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 299e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 300e7300d04SMaxime Bizon select SWAP_IO_SPACE 301d30a2b47SLinus Walleij select GPIOLIB 302af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 303c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 304bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 305e7300d04SMaxime Bizon help 306e7300d04SMaxime Bizon Support for BCM63XX based boards 307e7300d04SMaxime Bizon 3081da177e4SLinus Torvaldsconfig MIPS_COBALT 3093fa986faSMartin Michlmayr bool "Cobalt Server" 31042f77542SRalf Baechle select CEVT_R4K 311940f6b48SRalf Baechle select CSRC_R4K 3121097c6acSYoichi Yuasa select CEVT_GT641XX 3131da177e4SLinus Torvalds select DMA_NONCOHERENT 314eb01d42aSChristoph Hellwig select FORCE_PCI 315d865bea4SRalf Baechle select I8253 3161da177e4SLinus Torvalds select I8259 31767e38cf2SRalf Baechle select IRQ_MIPS_CPU 318d5ab1a69SYoichi Yuasa select IRQ_GT641XX 319252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3207cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3210a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 322ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3230e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3245e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 325e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3261da177e4SLinus Torvalds 3271da177e4SLinus Torvaldsconfig MACH_DECSTATION 3283fa986faSMartin Michlmayr bool "DECstations" 3291da177e4SLinus Torvalds select BOOT_ELF32 3306457d9fcSYoichi Yuasa select CEVT_DS1287 33181d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3324247417dSYoichi Yuasa select CSRC_IOASIC 33381d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 33420d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 33520d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 33620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3371da177e4SLinus Torvalds select DMA_NONCOHERENT 338ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 33967e38cf2SRalf Baechle select IRQ_MIPS_CPU 3407cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3417cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 342ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3437d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3445e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3451723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3461723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3471723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 348930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3495e83d430SRalf Baechle help 3501da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3511da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3521da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3531da177e4SLinus Torvalds 3541da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3551da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3561da177e4SLinus Torvalds 3571da177e4SLinus Torvalds DECstation 5000/50 3581da177e4SLinus Torvalds DECstation 5000/150 3591da177e4SLinus Torvalds DECstation 5000/260 3601da177e4SLinus Torvalds DECsystem 5900/260 3611da177e4SLinus Torvalds 3621da177e4SLinus Torvalds otherwise choose R3000. 3631da177e4SLinus Torvalds 3645e83d430SRalf Baechleconfig MACH_JAZZ 3653fa986faSMartin Michlmayr bool "Jazz family of machines" 36639b2d756SThomas Bogendoerfer select ARC_MEMORY 36739b2d756SThomas Bogendoerfer select ARC_PROMLIB 368a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3697a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3702f9237d4SChristoph Hellwig select DMA_OPS 3710e2794b0SRalf Baechle select FW_ARC 3720e2794b0SRalf Baechle select FW_ARC32 3735e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 37442f77542SRalf Baechle select CEVT_R4K 375940f6b48SRalf Baechle select CSRC_R4K 376e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3775e83d430SRalf Baechle select GENERIC_ISA_DMA 3788a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 37967e38cf2SRalf Baechle select IRQ_MIPS_CPU 380d865bea4SRalf Baechle select I8253 3815e83d430SRalf Baechle select I8259 3825e83d430SRalf Baechle select ISA 3837cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3845e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3857d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3861723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3871da177e4SLinus Torvalds help 3885e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3895e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 390692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3915e83d430SRalf Baechle Olivetti M700-10 workstations. 3925e83d430SRalf Baechle 393de361e8bSPaul Burtonconfig MACH_INGENIC 394de361e8bSPaul Burton bool "Ingenic SoC based machines" 3955ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3965ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 397f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 398b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3995ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 40067e38cf2SRalf Baechle select IRQ_MIPS_CPU 40137b4c3caSPaul Cercueil select PINCTRL 402d30a2b47SLinus Walleij select GPIOLIB 403ff1930c6SPaul Burton select COMMON_CLK 40483bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 40515205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 406ffb1843dSPaul Burton select USE_OF 4075ebabe59SLars-Peter Clausen 408171bb2f1SJohn Crispinconfig LANTIQ 409171bb2f1SJohn Crispin bool "Lantiq based platforms" 410171bb2f1SJohn Crispin select DMA_NONCOHERENT 41167e38cf2SRalf Baechle select IRQ_MIPS_CPU 412171bb2f1SJohn Crispin select CEVT_R4K 413171bb2f1SJohn Crispin select CSRC_R4K 414171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 415171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 416171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 417171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 418377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 419171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 420f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 421171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 422d30a2b47SLinus Walleij select GPIOLIB 423171bb2f1SJohn Crispin select SWAP_IO_SPACE 424171bb2f1SJohn Crispin select BOOT_RAW 425287e3f3fSJohn Crispin select CLKDEV_LOOKUP 426bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 427a0392222SJohn Crispin select USE_OF 4283f8c50c9SJohn Crispin select PINCTRL 4293f8c50c9SJohn Crispin select PINCTRL_LANTIQ 430c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 431c530781cSJohn Crispin select RESET_CONTROLLER 432171bb2f1SJohn Crispin 43330ad29bbSHuacai Chenconfig MACH_LOONGSON32 434caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 435c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 436ade299d8SYoichi Yuasa help 43730ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 43885749d24SWu Zhangjin 43930ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 44030ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 44130ad29bbSHuacai Chen Sciences (CAS). 442ade299d8SYoichi Yuasa 44371e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 44471e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 445ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 446ca585cf9SKelvin Cheung help 44771e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 448ca585cf9SKelvin Cheung 44971e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 450caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4516fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4526fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4536fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4546fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4556fbde6b4SJiaxun Yang select BOOT_ELF32 4566fbde6b4SJiaxun Yang select BOARD_SCACHE 4576fbde6b4SJiaxun Yang select CSRC_R4K 4586fbde6b4SJiaxun Yang select CEVT_R4K 4596fbde6b4SJiaxun Yang select CPU_HAS_WB 4606fbde6b4SJiaxun Yang select FORCE_PCI 4616fbde6b4SJiaxun Yang select ISA 4626fbde6b4SJiaxun Yang select I8259 4636fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4647d6d2837SJiaxun Yang select NO_EXCEPT_FILL 4655125bfeeSTiezhu Yang select NR_CPUS_DEFAULT_64 4666fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4676423e59aSJiaxun Yang select PCI_DRIVERS_GENERIC 4686fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4696fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4706fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4716fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4726fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4736fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4746fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 4756fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 47671e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 4776fbde6b4SJiaxun Yang select ZONE_DMA32 4786fbde6b4SJiaxun Yang select NUMA 47987fcfa7bSJiaxun Yang select COMMON_CLK 48087fcfa7bSJiaxun Yang select USE_OF 48187fcfa7bSJiaxun Yang select BUILTIN_DTB 48239c1485cSHuacai Chen select PCI_HOST_GENERIC 48371e2f4ddSJiaxun Yang help 484caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 485caed1d1bSHuacai Chen 486caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 487caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 488caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 489caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 490ca585cf9SKelvin Cheung 4916a438309SAndrew Brestickerconfig MACH_PISTACHIO 4926a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4936a438309SAndrew Bresticker select BOOT_ELF32 4946a438309SAndrew Bresticker select BOOT_RAW 4956a438309SAndrew Bresticker select CEVT_R4K 4966a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4976a438309SAndrew Bresticker select COMMON_CLK 4986a438309SAndrew Bresticker select CSRC_R4K 499645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 500d30a2b47SLinus Walleij select GPIOLIB 50167e38cf2SRalf Baechle select IRQ_MIPS_CPU 5026a438309SAndrew Bresticker select MFD_SYSCON 5036a438309SAndrew Bresticker select MIPS_CPU_SCACHE 5046a438309SAndrew Bresticker select MIPS_GIC 5056a438309SAndrew Bresticker select PINCTRL 5066a438309SAndrew Bresticker select REGULATOR 5076a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 5086a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 5096a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 5106a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 5116a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 51241cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 5136a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 514018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 515018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 5166a438309SAndrew Bresticker select USE_OF 5176a438309SAndrew Bresticker help 5186a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 5196a438309SAndrew Bresticker 5201da177e4SLinus Torvaldsconfig MIPS_MALTA 5213fa986faSMartin Michlmayr bool "MIPS Malta board" 52261ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 523a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5247a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5251da177e4SLinus Torvalds select BOOT_ELF32 526fa71c960SRalf Baechle select BOOT_RAW 527e8823d26SPaul Burton select BUILTIN_DTB 52842f77542SRalf Baechle select CEVT_R4K 529fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 53042b002abSGuenter Roeck select COMMON_CLK 53147bf2b03SMaksym Kokhan select CSRC_R4K 532885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5331da177e4SLinus Torvalds select GENERIC_ISA_DMA 5348a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 535eb01d42aSChristoph Hellwig select HAVE_PCI 536d865bea4SRalf Baechle select I8253 5371da177e4SLinus Torvalds select I8259 53847bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 5395e83d430SRalf Baechle select MIPS_BONITO64 5409318c51aSChris Dearman select MIPS_CPU_SCACHE 54147bf2b03SMaksym Kokhan select MIPS_GIC 542a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5435e83d430SRalf Baechle select MIPS_MSC 54447bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 545ecafe3e9SPaul Burton select SMP_UP if SMP 5461da177e4SLinus Torvalds select SWAP_IO_SPACE 5477cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5487cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 549bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 550c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 551575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5527cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5535d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 554575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5557cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5567cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 557ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 558ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5595e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 560c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5615e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 562424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 56347bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5640365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 565e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 566f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 56747bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5689693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 569f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5701b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 571e8823d26SPaul Burton select USE_OF 572abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5731da177e4SLinus Torvalds help 574f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5751da177e4SLinus Torvalds board. 5761da177e4SLinus Torvalds 5772572f00dSJoshua Hendersonconfig MACH_PIC32 5782572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5792572f00dSJoshua Henderson help 5802572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5812572f00dSJoshua Henderson 5822572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5832572f00dSJoshua Henderson microcontrollers. 5842572f00dSJoshua Henderson 5855e83d430SRalf Baechleconfig MACH_VR41XX 58674142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 58742f77542SRalf Baechle select CEVT_R4K 588940f6b48SRalf Baechle select CSRC_R4K 5897cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 590377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 591d30a2b47SLinus Walleij select GPIOLIB 5925e83d430SRalf Baechle 593edb6310aSDaniel Lairdconfig NXP_STB220 594edb6310aSDaniel Laird bool "NXP STB220 board" 595edb6310aSDaniel Laird select SOC_PNX833X 596edb6310aSDaniel Laird help 597edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 598edb6310aSDaniel Laird 599edb6310aSDaniel Lairdconfig NXP_STB225 600edb6310aSDaniel Laird bool "NXP 225 board" 601edb6310aSDaniel Laird select SOC_PNX833X 602edb6310aSDaniel Laird select SOC_PNX8335 603edb6310aSDaniel Laird help 604edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 605edb6310aSDaniel Laird 606ae2b5bb6SJohn Crispinconfig RALINK 607ae2b5bb6SJohn Crispin bool "Ralink based machines" 608ae2b5bb6SJohn Crispin select CEVT_R4K 609ae2b5bb6SJohn Crispin select CSRC_R4K 610ae2b5bb6SJohn Crispin select BOOT_RAW 611ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61267e38cf2SRalf Baechle select IRQ_MIPS_CPU 613ae2b5bb6SJohn Crispin select USE_OF 614ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 615ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 616ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 617ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 618377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 619ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 620ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6212a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6222a153f1cSJohn Crispin select RESET_CONTROLLER 623ae2b5bb6SJohn Crispin 6241da177e4SLinus Torvaldsconfig SGI_IP22 6253fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 626c0de00b2SThomas Bogendoerfer select ARC_MEMORY 62739b2d756SThomas Bogendoerfer select ARC_PROMLIB 6280e2794b0SRalf Baechle select FW_ARC 6290e2794b0SRalf Baechle select FW_ARC32 6307a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6311da177e4SLinus Torvalds select BOOT_ELF32 63242f77542SRalf Baechle select CEVT_R4K 633940f6b48SRalf Baechle select CSRC_R4K 634e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6351da177e4SLinus Torvalds select DMA_NONCOHERENT 6366630a8e5SChristoph Hellwig select HAVE_EISA 637d865bea4SRalf Baechle select I8253 63868de4803SThomas Bogendoerfer select I8259 6391da177e4SLinus Torvalds select IP22_CPU_SCACHE 64067e38cf2SRalf Baechle select IRQ_MIPS_CPU 641aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 642e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 643e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 64436e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 645e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 646e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 647e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6481da177e4SLinus Torvalds select SWAP_IO_SPACE 6497cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6507cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 651c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 652ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 653ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6545e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 655930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6561da177e4SLinus Torvalds help 6571da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6581da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6591da177e4SLinus Torvalds that runs on these, say Y here. 6601da177e4SLinus Torvalds 6611da177e4SLinus Torvaldsconfig SGI_IP27 6623fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 66354aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 664397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 6650e2794b0SRalf Baechle select FW_ARC 6660e2794b0SRalf Baechle select FW_ARC64 667e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 6685e83d430SRalf Baechle select BOOT_ELF64 669e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 67036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 671eb01d42aSChristoph Hellwig select HAVE_PCI 67269a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 673e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 674130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 675a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 676a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 6777cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 678ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6795e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 680d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6811a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 682930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6836c86a302SMike Rapoport select NUMA 6841da177e4SLinus Torvalds help 6851da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6861da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6871da177e4SLinus Torvalds here. 6881da177e4SLinus Torvalds 689e2defae5SThomas Bogendoerferconfig SGI_IP28 6907d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 691c0de00b2SThomas Bogendoerfer select ARC_MEMORY 69239b2d756SThomas Bogendoerfer select ARC_PROMLIB 6930e2794b0SRalf Baechle select FW_ARC 6940e2794b0SRalf Baechle select FW_ARC64 6957a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 696e2defae5SThomas Bogendoerfer select BOOT_ELF64 697e2defae5SThomas Bogendoerfer select CEVT_R4K 698e2defae5SThomas Bogendoerfer select CSRC_R4K 699e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 700e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 701e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 70267e38cf2SRalf Baechle select IRQ_MIPS_CPU 7036630a8e5SChristoph Hellwig select HAVE_EISA 704e2defae5SThomas Bogendoerfer select I8253 705e2defae5SThomas Bogendoerfer select I8259 706e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 707e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7085b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 709e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 710e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 711e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 712e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 713e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 714c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 715e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 716e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 717dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 718e2defae5SThomas Bogendoerfer help 719e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 720e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 721e2defae5SThomas Bogendoerfer 7227505576dSThomas Bogendoerferconfig SGI_IP30 7237505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7247505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7257505576dSThomas Bogendoerfer select FW_ARC 7267505576dSThomas Bogendoerfer select FW_ARC64 7277505576dSThomas Bogendoerfer select BOOT_ELF64 7287505576dSThomas Bogendoerfer select CEVT_R4K 7297505576dSThomas Bogendoerfer select CSRC_R4K 7307505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7317505576dSThomas Bogendoerfer select ZONE_DMA32 7327505576dSThomas Bogendoerfer select HAVE_PCI 7337505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7347505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7357505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 7367505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7377505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7387505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7397505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7407505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7417505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7427505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 7437505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7447505576dSThomas Bogendoerfer select ARC_MEMORY 7457505576dSThomas Bogendoerfer help 7467505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 7477505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 7487505576dSThomas Bogendoerfer 7491da177e4SLinus Torvaldsconfig SGI_IP32 750cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 75139b2d756SThomas Bogendoerfer select ARC_MEMORY 75239b2d756SThomas Bogendoerfer select ARC_PROMLIB 75303df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7540e2794b0SRalf Baechle select FW_ARC 7550e2794b0SRalf Baechle select FW_ARC32 7561da177e4SLinus Torvalds select BOOT_ELF32 75742f77542SRalf Baechle select CEVT_R4K 758940f6b48SRalf Baechle select CSRC_R4K 7591da177e4SLinus Torvalds select DMA_NONCOHERENT 760eb01d42aSChristoph Hellwig select HAVE_PCI 76167e38cf2SRalf Baechle select IRQ_MIPS_CPU 7621da177e4SLinus Torvalds select R5000_CPU_SCACHE 7631da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7647cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7657cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7667cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 767dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 768ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7695e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7701da177e4SLinus Torvalds help 7711da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7721da177e4SLinus Torvalds 773ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 774ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7755e83d430SRalf Baechle select BOOT_ELF32 7765e83d430SRalf Baechle select SIBYTE_BCM1120 7775e83d430SRalf Baechle select SWAP_IO_SPACE 7787cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7795e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7805e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7815e83d430SRalf Baechle 782ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 783ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7845e83d430SRalf Baechle select BOOT_ELF32 7855e83d430SRalf Baechle select SIBYTE_BCM1120 7865e83d430SRalf Baechle select SWAP_IO_SPACE 7877cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7885e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7895e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7905e83d430SRalf Baechle 7915e83d430SRalf Baechleconfig SIBYTE_CRHONE 7923fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7935e83d430SRalf Baechle select BOOT_ELF32 7945e83d430SRalf Baechle select SIBYTE_BCM1125 7955e83d430SRalf Baechle select SWAP_IO_SPACE 7967cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7975e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7985e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7995e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8005e83d430SRalf Baechle 801ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 802ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 803ade299d8SYoichi Yuasa select BOOT_ELF32 804ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 805ade299d8SYoichi Yuasa select SWAP_IO_SPACE 806ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 807ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 808ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 809ade299d8SYoichi Yuasa 810ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 811ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 812ade299d8SYoichi Yuasa select BOOT_ELF32 813fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 814ade299d8SYoichi Yuasa select SIBYTE_SB1250 815ade299d8SYoichi Yuasa select SWAP_IO_SPACE 816ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 817ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 818ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 819ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 820cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 821e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 822ade299d8SYoichi Yuasa 823ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 824ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 825ade299d8SYoichi Yuasa select BOOT_ELF32 826fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 827ade299d8SYoichi Yuasa select SIBYTE_SB1250 828ade299d8SYoichi Yuasa select SWAP_IO_SPACE 829ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 830ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 831ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 832ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 833756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 834ade299d8SYoichi Yuasa 835ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 836ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 837ade299d8SYoichi Yuasa select BOOT_ELF32 838ade299d8SYoichi Yuasa select SIBYTE_SB1250 839ade299d8SYoichi Yuasa select SWAP_IO_SPACE 840ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 841ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 842ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 843e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 844ade299d8SYoichi Yuasa 845ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 846ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 847ade299d8SYoichi Yuasa select BOOT_ELF32 848ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 849ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 850ade299d8SYoichi Yuasa select SWAP_IO_SPACE 851ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 852ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 853651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 854ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 855cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 856e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 857ade299d8SYoichi Yuasa 85814b36af4SThomas Bogendoerferconfig SNI_RM 85914b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 86039b2d756SThomas Bogendoerfer select ARC_MEMORY 86139b2d756SThomas Bogendoerfer select ARC_PROMLIB 8620e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8630e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 864aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8655e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 866a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8677a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8685e83d430SRalf Baechle select BOOT_ELF32 86942f77542SRalf Baechle select CEVT_R4K 870940f6b48SRalf Baechle select CSRC_R4K 871e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8725e83d430SRalf Baechle select DMA_NONCOHERENT 8735e83d430SRalf Baechle select GENERIC_ISA_DMA 8746630a8e5SChristoph Hellwig select HAVE_EISA 8758a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 876eb01d42aSChristoph Hellwig select HAVE_PCI 87767e38cf2SRalf Baechle select IRQ_MIPS_CPU 878d865bea4SRalf Baechle select I8253 8795e83d430SRalf Baechle select I8259 8805e83d430SRalf Baechle select ISA 8814a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8827cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8834a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 884c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8854a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 88636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 887ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8887d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8894a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8905e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8915e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8921da177e4SLinus Torvalds help 89314b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 89414b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8955e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8965e83d430SRalf Baechle support this machine type. 8971da177e4SLinus Torvalds 898edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 899edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9005e83d430SRalf Baechle 901edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 902edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 90323fbee9dSRalf Baechle 90473b4390fSRalf Baechleconfig MIKROTIK_RB532 90573b4390fSRalf Baechle bool "Mikrotik RB532 boards" 90673b4390fSRalf Baechle select CEVT_R4K 90773b4390fSRalf Baechle select CSRC_R4K 90873b4390fSRalf Baechle select DMA_NONCOHERENT 909eb01d42aSChristoph Hellwig select HAVE_PCI 91067e38cf2SRalf Baechle select IRQ_MIPS_CPU 91173b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 91273b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 91373b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 91473b4390fSRalf Baechle select SWAP_IO_SPACE 91573b4390fSRalf Baechle select BOOT_RAW 916d30a2b47SLinus Walleij select GPIOLIB 917930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 91873b4390fSRalf Baechle help 91973b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 92073b4390fSRalf Baechle based on the IDT RC32434 SoC. 92173b4390fSRalf Baechle 9229ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9239ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 924a86c7f72SDavid Daney select CEVT_R4K 925ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9261753d50cSChristoph Hellwig select HAVE_RAPIDIO 927d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 928a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 929a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 930f65aad41SRalf Baechle select EDAC_SUPPORT 931b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 93273569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 93373569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 934a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9355e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 936eb01d42aSChristoph Hellwig select HAVE_PCI 93778bdbbacSMasahiro Yamada select HAVE_PLAT_DELAY 93878bdbbacSMasahiro Yamada select HAVE_PLAT_FW_INIT_CMDLINE 93978bdbbacSMasahiro Yamada select HAVE_PLAT_MEMCPY 940f00e001eSDavid Daney select ZONE_DMA32 941465aaed0SDavid Daney select HOLES_IN_ZONE 942d30a2b47SLinus Walleij select GPIOLIB 9436e511163SDavid Daney select USE_OF 9446e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9456e511163SDavid Daney select SYS_SUPPORTS_SMP 9467820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9477820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 948e326479fSAndrew Bresticker select BUILTIN_DTB 9498c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 95009230cbcSChristoph Hellwig select SWIOTLB 9513ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 952a86c7f72SDavid Daney help 953a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 954a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 955a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 956a86c7f72SDavid Daney Some of the supported boards are: 957a86c7f72SDavid Daney EBT3000 958a86c7f72SDavid Daney EBH3000 959a86c7f72SDavid Daney EBH3100 960a86c7f72SDavid Daney Thunder 961a86c7f72SDavid Daney Kodama 962a86c7f72SDavid Daney Hikari 963a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 964a86c7f72SDavid Daney 9657f058e85SJayachandran Cconfig NLM_XLR_BOARD 9667f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9677f058e85SJayachandran C select BOOT_ELF32 9687f058e85SJayachandran C select NLM_COMMON 9697f058e85SJayachandran C select SYS_HAS_CPU_XLR 9707f058e85SJayachandran C select SYS_SUPPORTS_SMP 971eb01d42aSChristoph Hellwig select HAVE_PCI 9727f058e85SJayachandran C select SWAP_IO_SPACE 9737f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9747f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 975d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9767f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9777f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9787f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9797f058e85SJayachandran C select CEVT_R4K 9807f058e85SJayachandran C select CSRC_R4K 98167e38cf2SRalf Baechle select IRQ_MIPS_CPU 982b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9837f058e85SJayachandran C select SYNC_R4K 9847f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9858f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9868f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9877f058e85SJayachandran C help 9887f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9897f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9907f058e85SJayachandran C 9911c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9921c773ea4SJayachandran C bool "Netlogic XLP based systems" 9931c773ea4SJayachandran C select BOOT_ELF32 9941c773ea4SJayachandran C select NLM_COMMON 9951c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9961c773ea4SJayachandran C select SYS_SUPPORTS_SMP 997eb01d42aSChristoph Hellwig select HAVE_PCI 9981c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9991c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1000d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1001d30a2b47SLinus Walleij select GPIOLIB 10021c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10031c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10041c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10051c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10061c773ea4SJayachandran C select CEVT_R4K 10071c773ea4SJayachandran C select CSRC_R4K 100867e38cf2SRalf Baechle select IRQ_MIPS_CPU 1009b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10101c773ea4SJayachandran C select SYNC_R4K 10111c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10122f6528e1SJayachandran C select USE_OF 10138f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10148f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10151c773ea4SJayachandran C help 10161c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10171c773ea4SJayachandran C Say Y here if you have a XLP based board. 10181c773ea4SJayachandran C 10191da177e4SLinus Torvaldsendchoice 10201da177e4SLinus Torvalds 1021e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10223b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1023d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1024a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1025e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10268945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1027eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10285e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10295ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10308ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10312572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1032af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 1033ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 103429c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 103538b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 103622b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10375e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1038a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 103971e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 104030ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 104130ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10427f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 104338b18f72SRalf Baechle 10445e83d430SRalf Baechleendmenu 10455e83d430SRalf Baechle 10463c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10473c9ee7efSAkinobu Mita bool 10483c9ee7efSAkinobu Mita default y 10493c9ee7efSAkinobu Mita 10501da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10511da177e4SLinus Torvalds bool 10521da177e4SLinus Torvalds default y 10531da177e4SLinus Torvalds 1054ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10551cc89038SAtsushi Nemoto bool 10561cc89038SAtsushi Nemoto default y 10571cc89038SAtsushi Nemoto 10581da177e4SLinus Torvalds# 10591da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10601da177e4SLinus Torvalds# 10610e2794b0SRalf Baechleconfig FW_ARC 10621da177e4SLinus Torvalds bool 10631da177e4SLinus Torvalds 106461ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106561ed242dSRalf Baechle bool 106661ed242dSRalf Baechle 10679267a30dSMarc St-Jeanconfig BOOT_RAW 10689267a30dSMarc St-Jean bool 10699267a30dSMarc St-Jean 1070217dd11eSRalf Baechleconfig CEVT_BCM1480 1071217dd11eSRalf Baechle bool 1072217dd11eSRalf Baechle 10736457d9fcSYoichi Yuasaconfig CEVT_DS1287 10746457d9fcSYoichi Yuasa bool 10756457d9fcSYoichi Yuasa 10761097c6acSYoichi Yuasaconfig CEVT_GT641XX 10771097c6acSYoichi Yuasa bool 10781097c6acSYoichi Yuasa 107942f77542SRalf Baechleconfig CEVT_R4K 108042f77542SRalf Baechle bool 108142f77542SRalf Baechle 1082217dd11eSRalf Baechleconfig CEVT_SB1250 1083217dd11eSRalf Baechle bool 1084217dd11eSRalf Baechle 1085229f773eSAtsushi Nemotoconfig CEVT_TXX9 1086229f773eSAtsushi Nemoto bool 1087229f773eSAtsushi Nemoto 1088217dd11eSRalf Baechleconfig CSRC_BCM1480 1089217dd11eSRalf Baechle bool 1090217dd11eSRalf Baechle 10914247417dSYoichi Yuasaconfig CSRC_IOASIC 10924247417dSYoichi Yuasa bool 10934247417dSYoichi Yuasa 1094940f6b48SRalf Baechleconfig CSRC_R4K 109538586428SSerge Semin select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1096940f6b48SRalf Baechle bool 1097940f6b48SRalf Baechle 1098217dd11eSRalf Baechleconfig CSRC_SB1250 1099217dd11eSRalf Baechle bool 1100217dd11eSRalf Baechle 1101a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1102a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1103a7f4df4eSAlex Smith 1104a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1105d30a2b47SLinus Walleij select GPIOLIB 1106a9aec7feSAtsushi Nemoto bool 1107a9aec7feSAtsushi Nemoto 11080e2794b0SRalf Baechleconfig FW_CFE 1109df78b5c8SAurelien Jarno bool 1110df78b5c8SAurelien Jarno 111140e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 111240e084a5SRalf Baechle bool 111340e084a5SRalf Baechle 1114885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1115f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1116885014bcSFelix Fietkau select DMA_NONCOHERENT 1117885014bcSFelix Fietkau bool 1118885014bcSFelix Fietkau 111920d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 112020d33064SPaul Burton bool 1121347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11225748e1b3SChristoph Hellwig select DMA_NONCOHERENT 112320d33064SPaul Burton 11241da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11251da177e4SLinus Torvalds bool 1126db91427bSChristoph Hellwig # 1127db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1128db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1129db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1130db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1131db91427bSChristoph Hellwig # significant advantages. 1132db91427bSChristoph Hellwig # 1133419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1134fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_PREP_COHERENT 1135f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1136fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_SET_UNCACHED 113734dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 1138f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 113934dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 11404ce588cdSRalf Baechle 114136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11421da177e4SLinus Torvalds bool 11431da177e4SLinus Torvalds 11441b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1145dbb74540SRalf Baechle bool 1146dbb74540SRalf Baechle 11471da177e4SLinus Torvaldsconfig MIPS_BONITO64 11481da177e4SLinus Torvalds bool 11491da177e4SLinus Torvalds 11501da177e4SLinus Torvaldsconfig MIPS_MSC 11511da177e4SLinus Torvalds bool 11521da177e4SLinus Torvalds 115339b8d525SRalf Baechleconfig SYNC_R4K 115439b8d525SRalf Baechle bool 115539b8d525SRalf Baechle 1156ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1157d388d685SMaciej W. Rozycki def_bool n 1158d388d685SMaciej W. Rozycki 11594e0748f5SMarkos Chandrasconfig GENERIC_CSUM 116018d84e2eSAlexander Lobakin def_bool CPU_NO_LOAD_STORE_LR 11614e0748f5SMarkos Chandras 11628313da30SRalf Baechleconfig GENERIC_ISA_DMA 11638313da30SRalf Baechle bool 11648313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1165a35bee8aSNamhyung Kim select ISA_DMA_API 11668313da30SRalf Baechle 1167aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1168aa414dffSRalf Baechle bool 11698313da30SRalf Baechle select GENERIC_ISA_DMA 1170aa414dffSRalf Baechle 117178bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY 117278bdbbacSMasahiro Yamada bool 117378bdbbacSMasahiro Yamada 117478bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE 117578bdbbacSMasahiro Yamada bool 117678bdbbacSMasahiro Yamada 117778bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY 117878bdbbacSMasahiro Yamada bool 117978bdbbacSMasahiro Yamada 1180a35bee8aSNamhyung Kimconfig ISA_DMA_API 1181a35bee8aSNamhyung Kim bool 1182a35bee8aSNamhyung Kim 1183465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1184465aaed0SDavid Daney bool 1185465aaed0SDavid Daney 11868c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11878c530ea3SMatt Redfearn bool 11888c530ea3SMatt Redfearn help 11898c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11908c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11918c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11928c530ea3SMatt Redfearn 1193f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1194f381bf6dSDavid Daney def_bool y 1195f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1196f381bf6dSDavid Daney 1197f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1198f381bf6dSDavid Daney def_bool y 1199f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1200f381bf6dSDavid Daney 1201f381bf6dSDavid Daney 12025e83d430SRalf Baechle# 12036b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12045e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12055e83d430SRalf Baechle# choice statement should be more obvious to the user. 12065e83d430SRalf Baechle# 12075e83d430SRalf Baechlechoice 12086b2aac42SMasanari Iida prompt "Endianness selection" 12091da177e4SLinus Torvalds help 12101da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12115e83d430SRalf Baechle byte order. These modes require different kernels and a different 12123cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12135e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12143dde6ad8SDavid Sterba one or the other endianness. 12155e83d430SRalf Baechle 12165e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12175e83d430SRalf Baechle bool "Big endian" 12185e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12195e83d430SRalf Baechle 12205e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12215e83d430SRalf Baechle bool "Little endian" 12225e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12235e83d430SRalf Baechle 12245e83d430SRalf Baechleendchoice 12255e83d430SRalf Baechle 122622b0763aSDavid Daneyconfig EXPORT_UASM 122722b0763aSDavid Daney bool 122822b0763aSDavid Daney 12292116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12302116245eSRalf Baechle bool 12312116245eSRalf Baechle 12325e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12335e83d430SRalf Baechle bool 12345e83d430SRalf Baechle 12355e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12365e83d430SRalf Baechle bool 12371da177e4SLinus Torvalds 12389cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12399cffd154SDavid Daney bool 124045e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12419cffd154SDavid Daney default y 12429cffd154SDavid Daney 1243aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1244aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1245aa1762f4SDavid Daney 12461da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12471da177e4SLinus Torvalds bool 12481da177e4SLinus Torvalds 12499267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12509267a30dSMarc St-Jean bool 12519267a30dSMarc St-Jean 12529267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12539267a30dSMarc St-Jean bool 12549267a30dSMarc St-Jean 12558420fd00SAtsushi Nemotoconfig IRQ_TXX9 12568420fd00SAtsushi Nemoto bool 12578420fd00SAtsushi Nemoto 1258d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1259d5ab1a69SYoichi Yuasa bool 1260d5ab1a69SYoichi Yuasa 1261252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12621da177e4SLinus Torvalds bool 12631da177e4SLinus Torvalds 1264a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1265a57140e9SThomas Bogendoerfer bool 1266a57140e9SThomas Bogendoerfer 12679267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12689267a30dSMarc St-Jean bool 12699267a30dSMarc St-Jean 1270edb6310aSDaniel Lairdconfig SOC_PNX833X 1271edb6310aSDaniel Laird bool 1272edb6310aSDaniel Laird select CEVT_R4K 1273edb6310aSDaniel Laird select CSRC_R4K 127467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1275edb6310aSDaniel Laird select DMA_NONCOHERENT 1276edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1277edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1278edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1279edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1280377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1281edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1282edb6310aSDaniel Laird 1283edb6310aSDaniel Lairdconfig SOC_PNX8335 1284edb6310aSDaniel Laird bool 1285edb6310aSDaniel Laird select SOC_PNX833X 1286edb6310aSDaniel Laird 1287a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1288a7e07b1aSMarkos Chandras bool 1289a7e07b1aSMarkos Chandras 12901da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12911da177e4SLinus Torvalds bool 12921da177e4SLinus Torvalds 1293e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1294e2defae5SThomas Bogendoerfer bool 1295e2defae5SThomas Bogendoerfer 12965b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12975b438c44SThomas Bogendoerfer bool 12985b438c44SThomas Bogendoerfer 1299e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1300e2defae5SThomas Bogendoerfer bool 1301e2defae5SThomas Bogendoerfer 1302e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1303e2defae5SThomas Bogendoerfer bool 1304e2defae5SThomas Bogendoerfer 1305e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1306e2defae5SThomas Bogendoerfer bool 1307e2defae5SThomas Bogendoerfer 1308e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1309e2defae5SThomas Bogendoerfer bool 1310e2defae5SThomas Bogendoerfer 1311e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1312e2defae5SThomas Bogendoerfer bool 1313e2defae5SThomas Bogendoerfer 13140e2794b0SRalf Baechleconfig FW_ARC32 13155e83d430SRalf Baechle bool 13165e83d430SRalf Baechle 1317aaa9fad3SPaul Bolleconfig FW_SNIPROM 1318231a35d3SThomas Bogendoerfer bool 1319231a35d3SThomas Bogendoerfer 13201da177e4SLinus Torvaldsconfig BOOT_ELF32 13211da177e4SLinus Torvalds bool 13221da177e4SLinus Torvalds 1323930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1324930beb5aSFlorian Fainelli bool 1325930beb5aSFlorian Fainelli 1326930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1327930beb5aSFlorian Fainelli bool 1328930beb5aSFlorian Fainelli 1329930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1330930beb5aSFlorian Fainelli bool 1331930beb5aSFlorian Fainelli 1332930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1333930beb5aSFlorian Fainelli bool 1334930beb5aSFlorian Fainelli 13351da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13361da177e4SLinus Torvalds int 1337a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13385432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13395432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13405432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13411da177e4SLinus Torvalds default "5" 13421da177e4SLinus Torvalds 1343e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1344e9422427SThomas Bogendoerfer bool 1345e9422427SThomas Bogendoerfer 13461da177e4SLinus Torvaldsconfig ARC_CONSOLE 13471da177e4SLinus Torvalds bool "ARC console support" 1348e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13491da177e4SLinus Torvalds 13501da177e4SLinus Torvaldsconfig ARC_MEMORY 13511da177e4SLinus Torvalds bool 13521da177e4SLinus Torvalds 13531da177e4SLinus Torvaldsconfig ARC_PROMLIB 13541da177e4SLinus Torvalds bool 13551da177e4SLinus Torvalds 13560e2794b0SRalf Baechleconfig FW_ARC64 13571da177e4SLinus Torvalds bool 13581da177e4SLinus Torvalds 13591da177e4SLinus Torvaldsconfig BOOT_ELF64 13601da177e4SLinus Torvalds bool 13611da177e4SLinus Torvalds 13621da177e4SLinus Torvaldsmenu "CPU selection" 13631da177e4SLinus Torvalds 13641da177e4SLinus Torvaldschoice 13651da177e4SLinus Torvalds prompt "CPU type" 13661da177e4SLinus Torvalds default CPU_R4X00 13671da177e4SLinus Torvalds 1368268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1369caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1370268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1371d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 137251522217SJiaxun Yang select CPU_MIPSR2 137351522217SJiaxun Yang select CPU_HAS_PREFETCH 13740e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13750e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13760e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13777507445bSHuacai Chen select CPU_SUPPORTS_MSA 137851522217SJiaxun Yang select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 137951522217SJiaxun Yang select CPU_MIPSR2_IRQ_VI 13800e476d91SHuacai Chen select WEAK_ORDERING 13810e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 13827507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1383b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 138417c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1385d30a2b47SLinus Walleij select GPIOLIB 138609230cbcSChristoph Hellwig select SWIOTLB 13870f78355cSHuacai Chen select HAVE_KVM 13880e476d91SHuacai Chen help 1389caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1390caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1391caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1392caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1393caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 13940e476d91SHuacai Chen 1395caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1396caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 13971e820da3SHuacai Chen default n 1398268a2d60SJiaxun Yang depends on CPU_LOONGSON64 13991e820da3SHuacai Chen help 1400caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 14011e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1402268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14031e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14041e820da3SHuacai Chen Fast TLB refill support, etc. 14051e820da3SHuacai Chen 14061e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14071e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14081e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1409caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 14101e820da3SHuacai Chen 1411e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1412caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1413e02e07e3SHuacai Chen default y if SMP 1414268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1415e02e07e3SHuacai Chen help 1416caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1417e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1418e02e07e3SHuacai Chen 1419caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1420e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1421e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1422e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1423e02e07e3SHuacai Chen 1424e02e07e3SHuacai Chen If unsure, please say Y. 1425e02e07e3SHuacai Chen 1426ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION 1427ec7a9318SWANG Xuerui bool "Emulate the CPUCFG instruction on older Loongson cores" 1428ec7a9318SWANG Xuerui default y 1429ec7a9318SWANG Xuerui depends on CPU_LOONGSON64 1430ec7a9318SWANG Xuerui help 1431ec7a9318SWANG Xuerui Loongson-3A R4 and newer have the CPUCFG instruction available for 1432ec7a9318SWANG Xuerui userland to query CPU capabilities, much like CPUID on x86. This 1433ec7a9318SWANG Xuerui option provides emulation of the instruction on older Loongson 1434ec7a9318SWANG Xuerui cores, back to Loongson-3A1000. 1435ec7a9318SWANG Xuerui 1436ec7a9318SWANG Xuerui If unsure, please say Y. 1437ec7a9318SWANG Xuerui 14383702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14393702bba5SWu Zhangjin bool "Loongson 2E" 14403702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1441268a2d60SJiaxun Yang select CPU_LOONGSON2EF 14422a21c730SFuxin Zhang help 14432a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14442a21c730SFuxin Zhang with many extensions. 14452a21c730SFuxin Zhang 144625985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14476f7a251aSWu Zhangjin bonito64. 14486f7a251aSWu Zhangjin 14496f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14506f7a251aSWu Zhangjin bool "Loongson 2F" 14516f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1452268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1453d30a2b47SLinus Walleij select GPIOLIB 14546f7a251aSWu Zhangjin help 14556f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14566f7a251aSWu Zhangjin with many extensions. 14576f7a251aSWu Zhangjin 14586f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14596f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14606f7a251aSWu Zhangjin Loongson2E. 14616f7a251aSWu Zhangjin 1462ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1463ca585cf9SKelvin Cheung bool "Loongson 1B" 1464ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1465b2afb64cSHuacai Chen select CPU_LOONGSON32 14669ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1467ca585cf9SKelvin Cheung help 1468ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1469968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1470968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1471ca585cf9SKelvin Cheung 147212e3280bSYang Lingconfig CPU_LOONGSON1C 147312e3280bSYang Ling bool "Loongson 1C" 147412e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1475b2afb64cSHuacai Chen select CPU_LOONGSON32 147612e3280bSYang Ling select LEDS_GPIO_REGISTER 147712e3280bSYang Ling help 147812e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1479968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1480968dc5a0S谢致邦 (XIE Zhibang) instruction set. 148112e3280bSYang Ling 14826e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14836e760c8dSRalf Baechle bool "MIPS32 Release 1" 14847cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14856e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1486797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1487ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14886e760c8dSRalf Baechle help 14895e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14901e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14911e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14921e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14931e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14941e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14951e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14961e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14971e5f1caaSRalf Baechle performance. 14981e5f1caaSRalf Baechle 14991e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15001e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15017cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15021e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1503797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1504ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1505a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15062235a54dSSanjay Lal select HAVE_KVM 15071e5f1caaSRalf Baechle help 15085e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15096e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15106e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15116e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15126e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15131da177e4SLinus Torvalds 1514ab7c01fdSSerge Seminconfig CPU_MIPS32_R5 1515ab7c01fdSSerge Semin bool "MIPS32 Release 5" 1516ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS32_R5 1517ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1518ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1519ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1520ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1521ab7c01fdSSerge Semin select HAVE_KVM 1522ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT 1523ab7c01fdSSerge Semin help 1524ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1525ab7c01fdSSerge Semin MIPS32 architecture. New MIPS processors, starting with the Warrior 1526ab7c01fdSSerge Semin family, are based on a MIPS32r5 processor. If you own an older 1527ab7c01fdSSerge Semin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1528ab7c01fdSSerge Semin 15297fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1530674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15317fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15327fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 153318d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 15347fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15357fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15367fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15377fd08ca5SLeonid Yegoshin select HAVE_KVM 15387fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15397fd08ca5SLeonid Yegoshin help 15407fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15417fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15427fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15437fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15447fd08ca5SLeonid Yegoshin 15456e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15466e760c8dSRalf Baechle bool "MIPS64 Release 1" 15477cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1548797798c1SRalf Baechle select CPU_HAS_PREFETCH 1549ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1550ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1551ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15529cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15536e760c8dSRalf Baechle help 15546e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15556e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15566e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15576e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15586e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15591e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15601e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15611e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15621e5f1caaSRalf Baechle performance. 15631e5f1caaSRalf Baechle 15641e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15651e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15667cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1567797798c1SRalf Baechle select CPU_HAS_PREFETCH 15681e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15691e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1570ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15719cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1572a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 157340a2df49SJames Hogan select HAVE_KVM 15741e5f1caaSRalf Baechle help 15751e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15761e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15771e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15781e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15791e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15801da177e4SLinus Torvalds 1581ab7c01fdSSerge Seminconfig CPU_MIPS64_R5 1582ab7c01fdSSerge Semin bool "MIPS64 Release 5" 1583ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS64_R5 1584ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1585ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1586ab7c01fdSSerge Semin select CPU_SUPPORTS_64BIT_KERNEL 1587ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1588ab7c01fdSSerge Semin select CPU_SUPPORTS_HUGEPAGES 1589ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1590ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1591ab7c01fdSSerge Semin select HAVE_KVM 1592ab7c01fdSSerge Semin help 1593ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1594ab7c01fdSSerge Semin MIPS64 architecture. This is a intermediate MIPS architecture 1595ab7c01fdSSerge Semin release partly implementing release 6 features. Though there is no 1596ab7c01fdSSerge Semin any hardware known to be based on this release. 1597ab7c01fdSSerge Semin 15987fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1599674d10e2SMarkos Chandras bool "MIPS64 Release 6" 16007fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 16017fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 160218d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 16037fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 16047fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 16057fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1606afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 16077fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16082e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 160940a2df49SJames Hogan select HAVE_KVM 16107fd08ca5SLeonid Yegoshin help 16117fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16127fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16137fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16147fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16157fd08ca5SLeonid Yegoshin 1616281e3aeaSSerge Seminconfig CPU_P5600 1617281e3aeaSSerge Semin bool "MIPS Warrior P5600" 1618281e3aeaSSerge Semin depends on SYS_HAS_CPU_P5600 1619281e3aeaSSerge Semin select CPU_HAS_PREFETCH 1620281e3aeaSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1621281e3aeaSSerge Semin select CPU_SUPPORTS_HIGHMEM 1622281e3aeaSSerge Semin select CPU_SUPPORTS_MSA 1623281e3aeaSSerge Semin select CPU_SUPPORTS_UNCACHED_ACCELERATED 1624281e3aeaSSerge Semin select CPU_SUPPORTS_CPUFREQ 1625281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_VI 1626281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_EI 1627281e3aeaSSerge Semin select HAVE_KVM 1628281e3aeaSSerge Semin select MIPS_O32_FP64_SUPPORT 1629281e3aeaSSerge Semin help 1630281e3aeaSSerge Semin Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1631281e3aeaSSerge Semin It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1632281e3aeaSSerge Semin MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1633281e3aeaSSerge Semin level features like up to six P5600 calculation cores, CM2 with L2 1634281e3aeaSSerge Semin cache, IOCU/IOMMU (though might be unused depending on the system- 1635281e3aeaSSerge Semin specific IP core configuration), GIC, CPC, virtualisation module, 1636281e3aeaSSerge Semin eJTAG and PDtrace. 1637281e3aeaSSerge Semin 16381da177e4SLinus Torvaldsconfig CPU_R3000 16391da177e4SLinus Torvalds bool "R3000" 16407cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1641f7062ddbSRalf Baechle select CPU_HAS_WB 164254746829SPaul Burton select CPU_R3K_TLB 1643ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1644797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16451da177e4SLinus Torvalds help 16461da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16471da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16481da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16491da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16501da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16511da177e4SLinus Torvalds try to recompile with R3000. 16521da177e4SLinus Torvalds 16531da177e4SLinus Torvaldsconfig CPU_TX39XX 16541da177e4SLinus Torvalds bool "R39XX" 16557cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1656ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 165754746829SPaul Burton select CPU_R3K_TLB 16581da177e4SLinus Torvalds 16591da177e4SLinus Torvaldsconfig CPU_VR41XX 16601da177e4SLinus Torvalds bool "R41xx" 16617cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1662ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1663ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16641da177e4SLinus Torvalds help 16655e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16661da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16671da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16681da177e4SLinus Torvalds processor or vice versa. 16691da177e4SLinus Torvalds 16701da177e4SLinus Torvaldsconfig CPU_R4X00 16711da177e4SLinus Torvalds bool "R4x00" 16727cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1673ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1674ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1675970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16761da177e4SLinus Torvalds help 16771da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16781da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16791da177e4SLinus Torvalds 16801da177e4SLinus Torvaldsconfig CPU_TX49XX 16811da177e4SLinus Torvalds bool "R49XX" 16827cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1683de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1684ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1685ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1686970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16871da177e4SLinus Torvalds 16881da177e4SLinus Torvaldsconfig CPU_R5000 16891da177e4SLinus Torvalds bool "R5000" 16907cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1691ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1692ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1693970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16941da177e4SLinus Torvalds help 16951da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16961da177e4SLinus Torvalds 1697542c1020SShinya Kuribayashiconfig CPU_R5500 1698542c1020SShinya Kuribayashi bool "R5500" 1699542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1700542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1701542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 17029cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1703542c1020SShinya Kuribayashi help 1704542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1705542c1020SShinya Kuribayashi instruction set. 1706542c1020SShinya Kuribayashi 17071da177e4SLinus Torvaldsconfig CPU_NEVADA 17081da177e4SLinus Torvalds bool "RM52xx" 17097cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1710ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1711ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1712970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17131da177e4SLinus Torvalds help 17141da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 17151da177e4SLinus Torvalds 17161da177e4SLinus Torvaldsconfig CPU_R10000 17171da177e4SLinus Torvalds bool "R10000" 17187cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 17195e83d430SRalf Baechle select CPU_HAS_PREFETCH 1720ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1721ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1722797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1723970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17241da177e4SLinus Torvalds help 17251da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17261da177e4SLinus Torvalds 17271da177e4SLinus Torvaldsconfig CPU_RM7000 17281da177e4SLinus Torvalds bool "RM7000" 17297cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17305e83d430SRalf Baechle select CPU_HAS_PREFETCH 1731ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1732ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1733797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1734970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17351da177e4SLinus Torvalds 17361da177e4SLinus Torvaldsconfig CPU_SB1 17371da177e4SLinus Torvalds bool "SB1" 17387cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1739ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1740ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1741797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1742970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17430004a9dfSRalf Baechle select WEAK_ORDERING 17441da177e4SLinus Torvalds 1745a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1746a86c7f72SDavid Daney bool "Cavium Octeon processor" 17475e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1748a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1749a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1750a86c7f72SDavid Daney select WEAK_ORDERING 1751a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17529cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1753df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1754df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1755930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17560ae3abcdSJames Hogan select HAVE_KVM 1757a86c7f72SDavid Daney help 1758a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1759a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1760a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1761a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1762a86c7f72SDavid Daney 1763cd746249SJonas Gorskiconfig CPU_BMIPS 1764cd746249SJonas Gorski bool "Broadcom BMIPS" 1765cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1766cd746249SJonas Gorski select CPU_MIPS32 1767fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1768cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1769cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1770cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1771cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1772cd746249SJonas Gorski select DMA_NONCOHERENT 177367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1774cd746249SJonas Gorski select SWAP_IO_SPACE 1775cd746249SJonas Gorski select WEAK_ORDERING 1776c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 177769aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1778a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1779a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1780c1c0c461SKevin Cernekee help 1781fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1782c1c0c461SKevin Cernekee 17837f058e85SJayachandran Cconfig CPU_XLR 17847f058e85SJayachandran C bool "Netlogic XLR SoC" 17857f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 17867f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17877f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17887f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1789970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17907f058e85SJayachandran C select WEAK_ORDERING 17917f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17927f058e85SJayachandran C help 17937f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17941c773ea4SJayachandran C 17951c773ea4SJayachandran Cconfig CPU_XLP 17961c773ea4SJayachandran C bool "Netlogic XLP SoC" 17971c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17981c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17991c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18001c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 18011c773ea4SJayachandran C select WEAK_ORDERING 18021c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18031c773ea4SJayachandran C select CPU_HAS_PREFETCH 1804d6504846SJayachandran C select CPU_MIPSR2 1805ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 18062db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 18071c773ea4SJayachandran C help 18081c773ea4SJayachandran C Netlogic Microsystems XLP processors. 18091da177e4SLinus Torvaldsendchoice 18101da177e4SLinus Torvalds 1811a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1812a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1813a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1814281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1815281e3aeaSSerge Semin CPU_P5600 1816a6e18781SLeonid Yegoshin help 1817a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1818a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1819a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1820a6e18781SLeonid Yegoshin 1821a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1822a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1823a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1824a6e18781SLeonid Yegoshin select EVA 1825a6e18781SLeonid Yegoshin default y 1826a6e18781SLeonid Yegoshin help 1827a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1828a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1829a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1830a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1831a6e18781SLeonid Yegoshin 1832c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1833c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1834c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1835281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1836c5b36783SSteven J. Hill help 1837c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1838c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1839c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1840c5b36783SSteven J. Hill 1841c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1842c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1843c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1844c5b36783SSteven J. Hill depends on !EVA 1845c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1846c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1847c5b36783SSteven J. Hill select XPA 1848c5b36783SSteven J. Hill select HIGHMEM 1849d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1850c5b36783SSteven J. Hill default n 1851c5b36783SSteven J. Hill help 1852c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1853c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1854c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1855c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1856c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1857c5b36783SSteven J. Hill If unsure, say 'N' here. 1858c5b36783SSteven J. Hill 1859622844bfSWu Zhangjinif CPU_LOONGSON2F 1860622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1861622844bfSWu Zhangjin bool 1862622844bfSWu Zhangjin 1863622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1864622844bfSWu Zhangjin bool 1865622844bfSWu Zhangjin 1866622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1867622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1868622844bfSWu Zhangjin default y 1869622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1870622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1871622844bfSWu Zhangjin help 1872622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1873622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1874622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1875622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1876622844bfSWu Zhangjin 1877622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1878622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1879622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1880622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1881622844bfSWu Zhangjin systems. 1882622844bfSWu Zhangjin 1883622844bfSWu Zhangjin If unsure, please say Y. 1884622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1885622844bfSWu Zhangjin 18861b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18871b93b3c3SWu Zhangjin bool 18881b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18891b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 189031c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18911b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1892fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18934e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18941b93b3c3SWu Zhangjin 18951b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18961b93b3c3SWu Zhangjin bool 18971b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18981b93b3c3SWu Zhangjin 1899dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1900dbb98314SAlban Bedel bool 1901dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1902dbb98314SAlban Bedel 1903268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 19043702bba5SWu Zhangjin bool 19053702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 19063702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 19073702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1908970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1909e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 19103702bba5SWu Zhangjin 1911b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1912ca585cf9SKelvin Cheung bool 1913ca585cf9SKelvin Cheung select CPU_MIPS32 19147e280f6bSJiaxun Yang select CPU_MIPSR2 1915ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1916ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1917ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1918f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1919ca585cf9SKelvin Cheung 1920fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 192104fa8bf7SJonas Gorski select SMP_UP if SMP 19221bbb6c1bSKevin Cernekee bool 1923cd746249SJonas Gorski 1924cd746249SJonas Gorskiconfig CPU_BMIPS4350 1925cd746249SJonas Gorski bool 1926cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1927cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1928cd746249SJonas Gorski 1929cd746249SJonas Gorskiconfig CPU_BMIPS4380 1930cd746249SJonas Gorski bool 1931bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1932cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1933cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1934b4720809SFlorian Fainelli select CPU_HAS_RIXI 1935cd746249SJonas Gorski 1936cd746249SJonas Gorskiconfig CPU_BMIPS5000 1937cd746249SJonas Gorski bool 1938cd746249SJonas Gorski select MIPS_CPU_SCACHE 1939bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1940cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1941cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1942b4720809SFlorian Fainelli select CPU_HAS_RIXI 19431bbb6c1bSKevin Cernekee 1944268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19450e476d91SHuacai Chen bool 19460e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1947b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19480e476d91SHuacai Chen 19493702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19502a21c730SFuxin Zhang bool 19512a21c730SFuxin Zhang 19526f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19536f7a251aSWu Zhangjin bool 195455045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 195555045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 19566f7a251aSWu Zhangjin 1957ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1958ca585cf9SKelvin Cheung bool 1959ca585cf9SKelvin Cheung 196012e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 196112e3280bSYang Ling bool 196212e3280bSYang Ling 19637cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19647cf8053bSRalf Baechle bool 19657cf8053bSRalf Baechle 19667cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19677cf8053bSRalf Baechle bool 19687cf8053bSRalf Baechle 1969a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1970a6e18781SLeonid Yegoshin bool 1971a6e18781SLeonid Yegoshin 1972c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1973c5b36783SSteven J. Hill bool 19749ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1975c5b36783SSteven J. Hill 19767fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19777fd08ca5SLeonid Yegoshin bool 19789ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19797fd08ca5SLeonid Yegoshin 19807cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19817cf8053bSRalf Baechle bool 19827cf8053bSRalf Baechle 19837cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19847cf8053bSRalf Baechle bool 19857cf8053bSRalf Baechle 19867fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19877fd08ca5SLeonid Yegoshin bool 19889ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19897fd08ca5SLeonid Yegoshin 1990281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600 1991281e3aeaSSerge Semin bool 1992281e3aeaSSerge Semin select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1993281e3aeaSSerge Semin 19947cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19957cf8053bSRalf Baechle bool 19967cf8053bSRalf Baechle 19977cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19987cf8053bSRalf Baechle bool 19997cf8053bSRalf Baechle 20007cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 20017cf8053bSRalf Baechle bool 20027cf8053bSRalf Baechle 20037cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 20047cf8053bSRalf Baechle bool 20057cf8053bSRalf Baechle 20067cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 20077cf8053bSRalf Baechle bool 20087cf8053bSRalf Baechle 20097cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 20107cf8053bSRalf Baechle bool 20117cf8053bSRalf Baechle 2012542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 2013542c1020SShinya Kuribayashi bool 2014542c1020SShinya Kuribayashi 20157cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 20167cf8053bSRalf Baechle bool 20177cf8053bSRalf Baechle 20187cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20197cf8053bSRalf Baechle bool 20209ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20217cf8053bSRalf Baechle 20227cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20237cf8053bSRalf Baechle bool 20247cf8053bSRalf Baechle 20257cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20267cf8053bSRalf Baechle bool 20277cf8053bSRalf Baechle 20285e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20295e683389SDavid Daney bool 20305e683389SDavid Daney 2031cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2032c1c0c461SKevin Cernekee bool 2033c1c0c461SKevin Cernekee 2034fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2035c1c0c461SKevin Cernekee bool 2036cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2037c1c0c461SKevin Cernekee 2038c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2039c1c0c461SKevin Cernekee bool 2040cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2041c1c0c461SKevin Cernekee 2042c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2043c1c0c461SKevin Cernekee bool 2044cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2045c1c0c461SKevin Cernekee 2046c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2047c1c0c461SKevin Cernekee bool 2048cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2049f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2050c1c0c461SKevin Cernekee 20517f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20527f058e85SJayachandran C bool 20537f058e85SJayachandran C 20541c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20551c773ea4SJayachandran C bool 20561c773ea4SJayachandran C 205717099b11SRalf Baechle# 205817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 205917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 206017099b11SRalf Baechle# 20610004a9dfSRalf Baechleconfig WEAK_ORDERING 20620004a9dfSRalf Baechle bool 206317099b11SRalf Baechle 206417099b11SRalf Baechle# 206517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 206617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 206717099b11SRalf Baechle# 206817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 206917099b11SRalf Baechle bool 20705e83d430SRalf Baechleendmenu 20715e83d430SRalf Baechle 20725e83d430SRalf Baechle# 20735e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20745e83d430SRalf Baechle# 20755e83d430SRalf Baechleconfig CPU_MIPS32 20765e83d430SRalf Baechle bool 2077ab7c01fdSSerge Semin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 2078281e3aeaSSerge Semin CPU_MIPS32_R6 || CPU_P5600 20795e83d430SRalf Baechle 20805e83d430SRalf Baechleconfig CPU_MIPS64 20815e83d430SRalf Baechle bool 2082ab7c01fdSSerge Semin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 2083ab7c01fdSSerge Semin CPU_MIPS64_R6 20845e83d430SRalf Baechle 20855e83d430SRalf Baechle# 208657eeacedSPaul Burton# These indicate the revision of the architecture 20875e83d430SRalf Baechle# 20885e83d430SRalf Baechleconfig CPU_MIPSR1 20895e83d430SRalf Baechle bool 20905e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20915e83d430SRalf Baechle 20925e83d430SRalf Baechleconfig CPU_MIPSR2 20935e83d430SRalf Baechle bool 2094a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20958256b17eSFlorian Fainelli select CPU_HAS_RIXI 2096ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2097a7e07b1aSMarkos Chandras select MIPS_SPRAM 20985e83d430SRalf Baechle 2099ab7c01fdSSerge Seminconfig CPU_MIPSR5 2100ab7c01fdSSerge Semin bool 2101281e3aeaSSerge Semin default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 2102ab7c01fdSSerge Semin select CPU_HAS_RIXI 2103ab7c01fdSSerge Semin select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2104ab7c01fdSSerge Semin select MIPS_SPRAM 2105ab7c01fdSSerge Semin 21067fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 21077fd08ca5SLeonid Yegoshin bool 21087fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 21098256b17eSFlorian Fainelli select CPU_HAS_RIXI 2110ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 211187321fddSPaul Burton select HAVE_ARCH_BITREVERSE 21122db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 21134a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2114a7e07b1aSMarkos Chandras select MIPS_SPRAM 21155e83d430SRalf Baechle 211657eeacedSPaul Burtonconfig TARGET_ISA_REV 211757eeacedSPaul Burton int 211857eeacedSPaul Burton default 1 if CPU_MIPSR1 211957eeacedSPaul Burton default 2 if CPU_MIPSR2 2120ab7c01fdSSerge Semin default 5 if CPU_MIPSR5 212157eeacedSPaul Burton default 6 if CPU_MIPSR6 212257eeacedSPaul Burton default 0 212357eeacedSPaul Burton help 212457eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 212557eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 212657eeacedSPaul Burton 2127a6e18781SLeonid Yegoshinconfig EVA 2128a6e18781SLeonid Yegoshin bool 2129a6e18781SLeonid Yegoshin 2130c5b36783SSteven J. Hillconfig XPA 2131c5b36783SSteven J. Hill bool 2132c5b36783SSteven J. Hill 21335e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21345e83d430SRalf Baechle bool 21355e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21365e83d430SRalf Baechle bool 21375e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21385e83d430SRalf Baechle bool 21395e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21405e83d430SRalf Baechle bool 214155045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 214255045ff5SWu Zhangjin bool 214355045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 214455045ff5SWu Zhangjin bool 21459cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21469cffd154SDavid Daney bool 2147171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 214882622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 214982622284SDavid Daney bool 2150cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21515e83d430SRalf Baechle 21528192c9eaSDavid Daney# 21538192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21548192c9eaSDavid Daney# 21558192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21568192c9eaSDavid Daney bool 2157679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21588192c9eaSDavid Daney 21595e83d430SRalf Baechlemenu "Kernel type" 21605e83d430SRalf Baechle 21615e83d430SRalf Baechlechoice 21625e83d430SRalf Baechle prompt "Kernel code model" 21635e83d430SRalf Baechle help 21645e83d430SRalf Baechle You should only select this option if you have a workload that 21655e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21665e83d430SRalf Baechle large memory. You will only be presented a single option in this 21675e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21685e83d430SRalf Baechle 21695e83d430SRalf Baechleconfig 32BIT 21705e83d430SRalf Baechle bool "32-bit kernel" 21715e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21725e83d430SRalf Baechle select TRAD_SIGNALS 21735e83d430SRalf Baechle help 21745e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2175f17c4ca3SRalf Baechle 21765e83d430SRalf Baechleconfig 64BIT 21775e83d430SRalf Baechle bool "64-bit kernel" 21785e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21795e83d430SRalf Baechle help 21805e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21815e83d430SRalf Baechle 21825e83d430SRalf Baechleendchoice 21835e83d430SRalf Baechle 21842235a54dSSanjay Lalconfig KVM_GUEST 21852235a54dSSanjay Lal bool "KVM Guest Kernel" 218601edc5e7SJiaxun Yang depends on CPU_MIPS32_R2 2187f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21882235a54dSSanjay Lal help 2189caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2190caa1faa7SJames Hogan mode. 21912235a54dSSanjay Lal 2192eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2193eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21942235a54dSSanjay Lal depends on KVM_GUEST 2195eda3d33cSJames Hogan default 100 21962235a54dSSanjay Lal help 2197eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2198eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2199eda3d33cSJames Hogan timer frequency is specified directly. 22002235a54dSSanjay Lal 22011e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 22021e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 22031e321fa9SLeonid Yegoshin depends on 64BIT 22041e321fa9SLeonid Yegoshin help 22053377e227SAlex Belits Support a maximum at least 48 bits of application virtual 22063377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 22073377e227SAlex Belits For page sizes 16k and above, this option results in a small 22083377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 22093377e227SAlex Belits level of page tables is added which imposes both a memory 22103377e227SAlex Belits overhead as well as slower TLB fault handling. 22113377e227SAlex Belits 22121e321fa9SLeonid Yegoshin If unsure, say N. 22131e321fa9SLeonid Yegoshin 22141da177e4SLinus Torvaldschoice 22151da177e4SLinus Torvalds prompt "Kernel page size" 22161da177e4SLinus Torvalds default PAGE_SIZE_4KB 22171da177e4SLinus Torvalds 22181da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 22191da177e4SLinus Torvalds bool "4kB" 2220268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 22211da177e4SLinus Torvalds help 22221da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 22231da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 22241da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 22251da177e4SLinus Torvalds recommended for low memory systems. 22261da177e4SLinus Torvalds 22271da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22281da177e4SLinus Torvalds bool "8kB" 2229c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22301e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22311da177e4SLinus Torvalds help 22321da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22331da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2234c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2235c2aeaaeaSPaul Burton distribution to support this. 22361da177e4SLinus Torvalds 22371da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22381da177e4SLinus Torvalds bool "16kB" 2239714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22401da177e4SLinus Torvalds help 22411da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22421da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2243714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2244714bfad6SRalf Baechle Linux distribution to support this. 22451da177e4SLinus Torvalds 2246c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2247c52399beSRalf Baechle bool "32kB" 2248c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22491e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2250c52399beSRalf Baechle help 2251c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2252c52399beSRalf Baechle the price of higher memory consumption. This option is available 2253c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2254c52399beSRalf Baechle distribution to support this. 2255c52399beSRalf Baechle 22561da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22571da177e4SLinus Torvalds bool "64kB" 22583b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22591da177e4SLinus Torvalds help 22601da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22611da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22621da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2263714bfad6SRalf Baechle writing this option is still high experimental. 22641da177e4SLinus Torvalds 22651da177e4SLinus Torvaldsendchoice 22661da177e4SLinus Torvalds 2267c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2268c9bace7cSDavid Daney int "Maximum zone order" 2269e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2270e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2271e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2272e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2273e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2274e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2275c9bace7cSDavid Daney range 11 64 2276c9bace7cSDavid Daney default "11" 2277c9bace7cSDavid Daney help 2278c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2279c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2280c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2281c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2282c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2283c9bace7cSDavid Daney increase this value. 2284c9bace7cSDavid Daney 2285c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2286c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2287c9bace7cSDavid Daney 2288c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2289c9bace7cSDavid Daney when choosing a value for this option. 2290c9bace7cSDavid Daney 22911da177e4SLinus Torvaldsconfig BOARD_SCACHE 22921da177e4SLinus Torvalds bool 22931da177e4SLinus Torvalds 22941da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22951da177e4SLinus Torvalds bool 22961da177e4SLinus Torvalds select BOARD_SCACHE 22971da177e4SLinus Torvalds 22989318c51aSChris Dearman# 22999318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 23009318c51aSChris Dearman# 23019318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 23029318c51aSChris Dearman bool 23039318c51aSChris Dearman select BOARD_SCACHE 23049318c51aSChris Dearman 23051da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 23061da177e4SLinus Torvalds bool 23071da177e4SLinus Torvalds select BOARD_SCACHE 23081da177e4SLinus Torvalds 23091da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 23101da177e4SLinus Torvalds bool 23111da177e4SLinus Torvalds select BOARD_SCACHE 23121da177e4SLinus Torvalds 23131da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 23141da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 23151da177e4SLinus Torvalds depends on CPU_SB1 23161da177e4SLinus Torvalds help 23171da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 23181da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 23191da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 23201da177e4SLinus Torvalds 23211da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2322c8094b53SRalf Baechle bool 23231da177e4SLinus Torvalds 23243165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 23253165c846SFlorian Fainelli bool 2326c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 23273165c846SFlorian Fainelli 2328c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2329183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2330183b40f9SPaul Burton default y 2331183b40f9SPaul Burton help 2332183b40f9SPaul Burton Select y to include support for floating point in the kernel 2333183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2334183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2335183b40f9SPaul Burton userland program attempting to use floating point instructions will 2336183b40f9SPaul Burton receive a SIGILL. 2337183b40f9SPaul Burton 2338183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2339183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2340183b40f9SPaul Burton 2341183b40f9SPaul Burton If unsure, say y. 2342c92e47e5SPaul Burton 234397f7dcbfSPaul Burtonconfig CPU_R2300_FPU 234497f7dcbfSPaul Burton bool 2345c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 234697f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 234797f7dcbfSPaul Burton 234854746829SPaul Burtonconfig CPU_R3K_TLB 234954746829SPaul Burton bool 235054746829SPaul Burton 235191405eb6SFlorian Fainelliconfig CPU_R4K_FPU 235291405eb6SFlorian Fainelli bool 2353c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 235497f7dcbfSPaul Burton default y if !CPU_R2300_FPU 235591405eb6SFlorian Fainelli 235662cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 235762cedc4fSFlorian Fainelli bool 235854746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 235962cedc4fSFlorian Fainelli 236059d6ab86SRalf Baechleconfig MIPS_MT_SMP 2361a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23625cbf9688SPaul Burton default y 2363527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 236459d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2365d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2366c080faa5SSteven J. Hill select SYNC_R4K 236759d6ab86SRalf Baechle select MIPS_MT 236859d6ab86SRalf Baechle select SMP 236987353d8aSRalf Baechle select SMP_UP 2370c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2371c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2372399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 237359d6ab86SRalf Baechle help 2374c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2375c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2376c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2377c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2378c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 237959d6ab86SRalf Baechle 2380f41ae0b2SRalf Baechleconfig MIPS_MT 2381f41ae0b2SRalf Baechle bool 2382f41ae0b2SRalf Baechle 23830ab7aefcSRalf Baechleconfig SCHED_SMT 23840ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23850ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23860ab7aefcSRalf Baechle default n 23870ab7aefcSRalf Baechle help 23880ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23890ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23900ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23910ab7aefcSRalf Baechle 23920ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23930ab7aefcSRalf Baechle bool 23940ab7aefcSRalf Baechle 2395f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2396f41ae0b2SRalf Baechle bool 2397f41ae0b2SRalf Baechle 2398f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2399f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2400f088fc84SRalf Baechle default y 2401b633648cSRalf Baechle depends on MIPS_MT_SMP 240207cc0c9eSRalf Baechle 2403b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2404b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 24059eaa9a82SPaul Burton depends on CPU_MIPSR6 2406c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2407b0a668fbSLeonid Yegoshin default y 2408b0a668fbSLeonid Yegoshin help 2409b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2410b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 241107edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2412b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2413b0a668fbSLeonid Yegoshin final kernel image. 2414b0a668fbSLeonid Yegoshin 2415f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2416f35764e7SJames Hogan bool 2417f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2418f35764e7SJames Hogan help 2419f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2420f35764e7SJames Hogan physical_memsize. 2421f35764e7SJames Hogan 242207cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 242307cc0c9eSRalf Baechle bool "VPE loader support." 2424f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 242507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 242607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 242707cc0c9eSRalf Baechle select MIPS_MT 242807cc0c9eSRalf Baechle help 242907cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 243007cc0c9eSRalf Baechle onto another VPE and running it. 2431f088fc84SRalf Baechle 243217a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 243317a1d523SDeng-Cheng Zhu bool 243417a1d523SDeng-Cheng Zhu default "y" 243517a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 243617a1d523SDeng-Cheng Zhu 24371a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24381a2a6d7eSDeng-Cheng Zhu bool 24391a2a6d7eSDeng-Cheng Zhu default "y" 24401a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24411a2a6d7eSDeng-Cheng Zhu 2442e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2443e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2444e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2445e01402b1SRalf Baechle default y 2446e01402b1SRalf Baechle help 2447e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2448e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2449e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2450e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2451e01402b1SRalf Baechle 2452e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2453e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2454e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2455e01402b1SRalf Baechle 2456da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2457da615cf6SDeng-Cheng Zhu bool 2458da615cf6SDeng-Cheng Zhu default "y" 2459da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2460da615cf6SDeng-Cheng Zhu 24612c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24622c973ef0SDeng-Cheng Zhu bool 24632c973ef0SDeng-Cheng Zhu default "y" 24642c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24652c973ef0SDeng-Cheng Zhu 24664a16ff4cSRalf Baechleconfig MIPS_CMP 24675cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24685676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2469b10b43baSMarkos Chandras select SMP 2470eb9b5141STim Anderson select SYNC_R4K 2471b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24724a16ff4cSRalf Baechle select WEAK_ORDERING 24734a16ff4cSRalf Baechle default n 24744a16ff4cSRalf Baechle help 2475044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2476044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2477044505c7SPaul Burton its ability to start secondary CPUs. 24784a16ff4cSRalf Baechle 24795cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24805cac93b3SPaul Burton instead of this. 24815cac93b3SPaul Burton 24820ee958e1SPaul Burtonconfig MIPS_CPS 24830ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24845a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24850ee958e1SPaul Burton select MIPS_CM 24861d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24870ee958e1SPaul Burton select SMP 24880ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24891d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2490c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24910ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24920ee958e1SPaul Burton select WEAK_ORDERING 24930ee958e1SPaul Burton help 24940ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24950ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24960ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24970ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24980ee958e1SPaul Burton support is unavailable. 24990ee958e1SPaul Burton 25003179d37eSPaul Burtonconfig MIPS_CPS_PM 250139a59593SMarkos Chandras depends on MIPS_CPS 25023179d37eSPaul Burton bool 25033179d37eSPaul Burton 25049f98f3ddSPaul Burtonconfig MIPS_CM 25059f98f3ddSPaul Burton bool 25063c9b4166SPaul Burton select MIPS_CPC 25079f98f3ddSPaul Burton 25089c38cf44SPaul Burtonconfig MIPS_CPC 25099c38cf44SPaul Burton bool 25102600990eSRalf Baechle 25111da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 25121da177e4SLinus Torvalds bool 25131da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 25141da177e4SLinus Torvalds default y 25151da177e4SLinus Torvalds 25161da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 25171da177e4SLinus Torvalds bool 25181da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 25191da177e4SLinus Torvalds default y 25201da177e4SLinus Torvalds 25219e2b5372SMarkos Chandraschoice 25229e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 25239e2b5372SMarkos Chandras 25249e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 25259e2b5372SMarkos Chandras bool "None" 25269e2b5372SMarkos Chandras help 25279e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25289e2b5372SMarkos Chandras 25299693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25309693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25319e2b5372SMarkos Chandras bool "SmartMIPS" 25329693a853SFranck Bui-Huu help 25339693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25349693a853SFranck Bui-Huu increased security at both hardware and software level for 25359693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25369693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25379693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25389693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25399693a853SFranck Bui-Huu here. 25409693a853SFranck Bui-Huu 2541bce86083SSteven J. Hillconfig CPU_MICROMIPS 25427fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25439e2b5372SMarkos Chandras bool "microMIPS" 2544bce86083SSteven J. Hill help 2545bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2546bce86083SSteven J. Hill microMIPS ISA 2547bce86083SSteven J. Hill 25489e2b5372SMarkos Chandrasendchoice 25499e2b5372SMarkos Chandras 2550a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25510ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2552a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2553c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25542a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2555a5e9a69eSPaul Burton help 2556a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2557a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25581db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25591db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25601db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25611db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25621db1af84SPaul Burton the size & complexity of your kernel. 2563a5e9a69eSPaul Burton 2564a5e9a69eSPaul Burton If unsure, say Y. 2565a5e9a69eSPaul Burton 25661da177e4SLinus Torvaldsconfig CPU_HAS_WB 2567f7062ddbSRalf Baechle bool 2568e01402b1SRalf Baechle 2569df0ac8a4SKevin Cernekeeconfig XKS01 2570df0ac8a4SKevin Cernekee bool 2571df0ac8a4SKevin Cernekee 2572ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI 2573ba9196d2SJiaxun Yang depends on !CPU_DIEI_BROKEN 2574ba9196d2SJiaxun Yang bool 2575ba9196d2SJiaxun Yang 2576ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN 2577ba9196d2SJiaxun Yang bool 2578ba9196d2SJiaxun Yang 25798256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25808256b17eSFlorian Fainelli bool 25818256b17eSFlorian Fainelli 258218d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR 2583932afdeeSYasha Cherikovsky bool 2584932afdeeSYasha Cherikovsky help 258518d84e2eSAlexander Lobakin CPU lacks support for unaligned load and store instructions: 2586932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 258718d84e2eSAlexander Lobakin LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 258818d84e2eSAlexander Lobakin systems). 2589932afdeeSYasha Cherikovsky 2590f41ae0b2SRalf Baechle# 2591f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2592f41ae0b2SRalf Baechle# 2593e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2594f41ae0b2SRalf Baechle bool 2595e01402b1SRalf Baechle 2596f41ae0b2SRalf Baechle# 2597f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2598f41ae0b2SRalf Baechle# 2599e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2600f41ae0b2SRalf Baechle bool 2601e01402b1SRalf Baechle 26021da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 26031da177e4SLinus Torvalds bool 26041da177e4SLinus Torvalds depends on !CPU_R3000 26051da177e4SLinus Torvalds default y 26061da177e4SLinus Torvalds 26071da177e4SLinus Torvalds# 260820d60d99SMaciej W. Rozycki# CPU non-features 260920d60d99SMaciej W. Rozycki# 261020d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 261120d60d99SMaciej W. Rozycki bool 261220d60d99SMaciej W. Rozycki 261320d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 261420d60d99SMaciej W. Rozycki bool 261520d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 261620d60d99SMaciej W. Rozycki 261720d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 261820d60d99SMaciej W. Rozycki bool 261920d60d99SMaciej W. Rozycki 2620071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2621071d2f0bSPaul Burton bool 2622071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2623071d2f0bSPaul Burton 26244edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 26254edf00a4SPaul Burton int 26264edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26274edf00a4SPaul Burton default 0 26284edf00a4SPaul Burton 26294edf00a4SPaul Burtonconfig MIPS_ASID_BITS 26304edf00a4SPaul Burton int 26312db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 26324edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26334edf00a4SPaul Burton default 8 26344edf00a4SPaul Burton 26352db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26362db003a5SPaul Burton bool 26372db003a5SPaul Burton 26384a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26394a5dc51eSMarcin Nowakowski bool 26404a5dc51eSMarcin Nowakowski 264120d60d99SMaciej W. Rozycki# 26421da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26431da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26441da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26451da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26461da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26471da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26481da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26491da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2650797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2651797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2652797798c1SRalf Baechle# support. 26531da177e4SLinus Torvalds# 26541da177e4SLinus Torvaldsconfig HIGHMEM 26551da177e4SLinus Torvalds bool "High Memory Support" 2656a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2657797798c1SRalf Baechle 2658797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2659797798c1SRalf Baechle bool 2660797798c1SRalf Baechle 2661797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2662797798c1SRalf Baechle bool 26631da177e4SLinus Torvalds 26649693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26659693a853SFranck Bui-Huu bool 26669693a853SFranck Bui-Huu 2667a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2668a6a4834cSSteven J. Hill bool 2669a6a4834cSSteven J. Hill 2670377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2671377cb1b6SRalf Baechle bool 2672377cb1b6SRalf Baechle help 2673377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2674377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2675377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2676377cb1b6SRalf Baechle 2677a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2678a5e9a69eSPaul Burton bool 2679a5e9a69eSPaul Burton 2680b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2681b4819b59SYoichi Yuasa def_bool y 2682268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2683b4819b59SYoichi Yuasa 2684b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2685b1c6cd42SAtsushi Nemoto bool 2686397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 268731473747SAtsushi Nemoto 2688d8cb4e11SRalf Baechleconfig NUMA 2689d8cb4e11SRalf Baechle bool "NUMA Support" 2690d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2691d8cb4e11SRalf Baechle help 2692d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2693d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2694d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2695172a37e9SRandy Dunlap leave it disabled; on single node systems leave this option 2696d8cb4e11SRalf Baechle disabled. 2697d8cb4e11SRalf Baechle 2698d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2699d8cb4e11SRalf Baechle bool 2700d8cb4e11SRalf Baechle 2701f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA 2702f3c560a6SThomas Bogendoerfer def_bool y 2703f3c560a6SThomas Bogendoerfer depends on NUMA 2704f3c560a6SThomas Bogendoerfer 2705f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK 2706f3c560a6SThomas Bogendoerfer def_bool y 2707f3c560a6SThomas Bogendoerfer depends on NUMA 2708f3c560a6SThomas Bogendoerfer 27098c530ea3SMatt Redfearnconfig RELOCATABLE 27108c530ea3SMatt Redfearn bool "Relocatable kernel" 2711ab7c01fdSSerge Semin depends on SYS_SUPPORTS_RELOCATABLE 2712ab7c01fdSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2713ab7c01fdSSerge Semin CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2714ab7c01fdSSerge Semin CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2715281e3aeaSSerge Semin CPU_P5600 || CAVIUM_OCTEON_SOC 27168c530ea3SMatt Redfearn help 27178c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 27188c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 27198c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 27208c530ea3SMatt Redfearn but are discarded at runtime 27218c530ea3SMatt Redfearn 2722069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2723069fd766SMatt Redfearn hex "Relocation table size" 2724069fd766SMatt Redfearn depends on RELOCATABLE 2725069fd766SMatt Redfearn range 0x0 0x01000000 2726069fd766SMatt Redfearn default "0x00100000" 2727a7f7f624SMasahiro Yamada help 2728069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2729069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2730069fd766SMatt Redfearn 2731069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2732069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2733069fd766SMatt Redfearn 2734069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2735069fd766SMatt Redfearn 2736069fd766SMatt Redfearn If unsure, leave at the default value. 2737069fd766SMatt Redfearn 2738405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2739405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2740405bc8fdSMatt Redfearn depends on RELOCATABLE 2741a7f7f624SMasahiro Yamada help 2742405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2743405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2744405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2745405bc8fdSMatt Redfearn of kernel internals. 2746405bc8fdSMatt Redfearn 2747405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2748405bc8fdSMatt Redfearn 2749405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2750405bc8fdSMatt Redfearn 2751405bc8fdSMatt Redfearn If unsure, say N. 2752405bc8fdSMatt Redfearn 2753405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2754405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2755405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2756405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2757405bc8fdSMatt Redfearn range 0x0 0x08000000 2758405bc8fdSMatt Redfearn default "0x01000000" 2759a7f7f624SMasahiro Yamada help 2760405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2761405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2762405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2763405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2764405bc8fdSMatt Redfearn 2765405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2766405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2767405bc8fdSMatt Redfearn 2768c80d79d7SYasunori Gotoconfig NODES_SHIFT 2769c80d79d7SYasunori Goto int 2770c80d79d7SYasunori Goto default "6" 2771c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2772c80d79d7SYasunori Goto 277314f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 277414f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2775268a2d60SJiaxun Yang depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 277614f70012SDeng-Cheng Zhu default y 277714f70012SDeng-Cheng Zhu help 277814f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 277914f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 278014f70012SDeng-Cheng Zhu 2781be8fa1cbSTiezhu Yangconfig DMI 2782be8fa1cbSTiezhu Yang bool "Enable DMI scanning" 2783be8fa1cbSTiezhu Yang depends on MACH_LOONGSON64 2784be8fa1cbSTiezhu Yang select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2785be8fa1cbSTiezhu Yang default y 2786be8fa1cbSTiezhu Yang help 2787be8fa1cbSTiezhu Yang Enabled scanning of DMI to identify machine quirks. Say Y 2788be8fa1cbSTiezhu Yang here unless you have verified that your setup is not 2789be8fa1cbSTiezhu Yang affected by entries in the DMI blacklist. Required by PNP 2790be8fa1cbSTiezhu Yang BIOS code. 2791be8fa1cbSTiezhu Yang 27921da177e4SLinus Torvaldsconfig SMP 27931da177e4SLinus Torvalds bool "Multi-Processing support" 2794e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2795e73ea273SRalf Baechle help 27961da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27974a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27984a474157SRobert Graffham than one CPU, say Y. 27991da177e4SLinus Torvalds 28004a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 28011da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 28021da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 28034a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 28041da177e4SLinus Torvalds will run faster if you say N here. 28051da177e4SLinus Torvalds 28061da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 28071da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 28081da177e4SLinus Torvalds 280903502faaSAdrian Bunk See also the SMP-HOWTO available at 2810ef054ad3SAlexander A. Klimov <https://www.tldp.org/docs.html#howto>. 28111da177e4SLinus Torvalds 28121da177e4SLinus Torvalds If you don't know what to do here, say N. 28131da177e4SLinus Torvalds 28147840d618SMatt Redfearnconfig HOTPLUG_CPU 28157840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 28167840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 28177840d618SMatt Redfearn help 28187840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 28197840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 28207840d618SMatt Redfearn (Note: power management support will enable this option 28217840d618SMatt Redfearn automatically on SMP systems. ) 28227840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 28237840d618SMatt Redfearn 282487353d8aSRalf Baechleconfig SMP_UP 282587353d8aSRalf Baechle bool 282687353d8aSRalf Baechle 28274a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 28284a16ff4cSRalf Baechle bool 28294a16ff4cSRalf Baechle 28300ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 28310ee958e1SPaul Burton bool 28320ee958e1SPaul Burton 2833e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2834e73ea273SRalf Baechle bool 2835e73ea273SRalf Baechle 2836130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2837130e2fb7SRalf Baechle bool 2838130e2fb7SRalf Baechle 2839130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2840130e2fb7SRalf Baechle bool 2841130e2fb7SRalf Baechle 2842130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2843130e2fb7SRalf Baechle bool 2844130e2fb7SRalf Baechle 2845130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2846130e2fb7SRalf Baechle bool 2847130e2fb7SRalf Baechle 2848130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2849130e2fb7SRalf Baechle bool 2850130e2fb7SRalf Baechle 28511da177e4SLinus Torvaldsconfig NR_CPUS 2852a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2853a91796a9SJayachandran C range 2 256 28541da177e4SLinus Torvalds depends on SMP 2855130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2856130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2857130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2858130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2859130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28601da177e4SLinus Torvalds help 28611da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28621da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28631da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 286472ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 286572ede9b1SAtsushi Nemoto and 2 for all others. 28661da177e4SLinus Torvalds 28671da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 286872ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 286972ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 287072ede9b1SAtsushi Nemoto power of two. 28711da177e4SLinus Torvalds 2872399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2873399aaa25SAl Cooper bool 2874399aaa25SAl Cooper 28757820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28767820b84bSDavid Daney bool 28777820b84bSDavid Daney 28787820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28797820b84bSDavid Daney int 28807820b84bSDavid Daney depends on SMP 28817820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28827820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28837820b84bSDavid Daney 28841723b4a3SAtsushi Nemoto# 28851723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28861723b4a3SAtsushi Nemoto# 28871723b4a3SAtsushi Nemoto 28881723b4a3SAtsushi Nemotochoice 28891723b4a3SAtsushi Nemoto prompt "Timer frequency" 28901723b4a3SAtsushi Nemoto default HZ_250 28911723b4a3SAtsushi Nemoto help 28921723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28931723b4a3SAtsushi Nemoto 289467596573SPaul Burton config HZ_24 289567596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 289667596573SPaul Burton 28971723b4a3SAtsushi Nemoto config HZ_48 28980f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28991723b4a3SAtsushi Nemoto 29001723b4a3SAtsushi Nemoto config HZ_100 29011723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 29021723b4a3SAtsushi Nemoto 29031723b4a3SAtsushi Nemoto config HZ_128 29041723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 29051723b4a3SAtsushi Nemoto 29061723b4a3SAtsushi Nemoto config HZ_250 29071723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 29081723b4a3SAtsushi Nemoto 29091723b4a3SAtsushi Nemoto config HZ_256 29101723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 29111723b4a3SAtsushi Nemoto 29121723b4a3SAtsushi Nemoto config HZ_1000 29131723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 29141723b4a3SAtsushi Nemoto 29151723b4a3SAtsushi Nemoto config HZ_1024 29161723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 29171723b4a3SAtsushi Nemoto 29181723b4a3SAtsushi Nemotoendchoice 29191723b4a3SAtsushi Nemoto 292067596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 292167596573SPaul Burton bool 292267596573SPaul Burton 29231723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 29241723b4a3SAtsushi Nemoto bool 29251723b4a3SAtsushi Nemoto 29261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 29271723b4a3SAtsushi Nemoto bool 29281723b4a3SAtsushi Nemoto 29291723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 29301723b4a3SAtsushi Nemoto bool 29311723b4a3SAtsushi Nemoto 29321723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29331723b4a3SAtsushi Nemoto bool 29341723b4a3SAtsushi Nemoto 29351723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29361723b4a3SAtsushi Nemoto bool 29371723b4a3SAtsushi Nemoto 29381723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29391723b4a3SAtsushi Nemoto bool 29401723b4a3SAtsushi Nemoto 29411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29421723b4a3SAtsushi Nemoto bool 29431723b4a3SAtsushi Nemoto 29441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29451723b4a3SAtsushi Nemoto bool 294667596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 294767596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 294867596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 294967596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 295067596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 295167596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 295267596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29531723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29541723b4a3SAtsushi Nemoto 29551723b4a3SAtsushi Nemotoconfig HZ 29561723b4a3SAtsushi Nemoto int 295767596573SPaul Burton default 24 if HZ_24 29581723b4a3SAtsushi Nemoto default 48 if HZ_48 29591723b4a3SAtsushi Nemoto default 100 if HZ_100 29601723b4a3SAtsushi Nemoto default 128 if HZ_128 29611723b4a3SAtsushi Nemoto default 250 if HZ_250 29621723b4a3SAtsushi Nemoto default 256 if HZ_256 29631723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29641723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29651723b4a3SAtsushi Nemoto 296696685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 296796685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 296896685b17SDeng-Cheng Zhu 2969ea6e942bSAtsushi Nemotoconfig KEXEC 29707d60717eSKees Cook bool "Kexec system call" 29712965faa5SDave Young select KEXEC_CORE 2972ea6e942bSAtsushi Nemoto help 2973ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2974ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29753dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2976ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2977ea6e942bSAtsushi Nemoto 297801dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2979ea6e942bSAtsushi Nemoto 2980ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2981ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2982bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2983bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2984bf220695SGeert Uytterhoeven made. 2985ea6e942bSAtsushi Nemoto 29867aa1c8f4SRalf Baechleconfig CRASH_DUMP 29877aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29887aa1c8f4SRalf Baechle help 29897aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29907aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29917aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29927aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29937aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29947aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29957aa1c8f4SRalf Baechle PHYSICAL_START. 29967aa1c8f4SRalf Baechle 29977aa1c8f4SRalf Baechleconfig PHYSICAL_START 29987aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29998bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 30007aa1c8f4SRalf Baechle depends on CRASH_DUMP 30017aa1c8f4SRalf Baechle help 30027aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 30037aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 30047aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 30057aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 30067aa1c8f4SRalf Baechle passed to the panic-ed kernel). 30077aa1c8f4SRalf Baechle 3008ea6e942bSAtsushi Nemotoconfig SECCOMP 3009ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 3010293c5bd1SRalf Baechle depends on PROC_FS 3011ea6e942bSAtsushi Nemoto default y 3012ea6e942bSAtsushi Nemoto help 3013ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 3014ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 3015ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 3016ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 3017ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 3018ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 3019ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 3020ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 3021ea6e942bSAtsushi Nemoto defined by each seccomp mode. 3022ea6e942bSAtsushi Nemoto 3023ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 3024ea6e942bSAtsushi Nemoto 3025597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 3026b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 3027597ce172SPaul Burton depends on 32BIT || MIPS32_O32 3028597ce172SPaul Burton help 3029597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 3030597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 3031597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3032597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 3033597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 3034597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3035597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3036597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3037597ce172SPaul Burton saying N here. 3038597ce172SPaul Burton 303906e2e882SPaul Burton Although binutils currently supports use of this flag the details 304006e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 304106e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 304206e2e882SPaul Burton behaviour before the details have been finalised, this option should 304306e2e882SPaul Burton be considered experimental and only enabled by those working upon 304406e2e882SPaul Burton said details. 304506e2e882SPaul Burton 304606e2e882SPaul Burton If unsure, say N. 3047597ce172SPaul Burton 3048f2ffa5abSDezhong Diaoconfig USE_OF 30490b3e06fdSJonas Gorski bool 3050f2ffa5abSDezhong Diao select OF 3051e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3052abd2363fSGrant Likely select IRQ_DOMAIN 3053f2ffa5abSDezhong Diao 30542fe8ea39SDengcheng Zhuconfig UHI_BOOT 30552fe8ea39SDengcheng Zhu bool 30562fe8ea39SDengcheng Zhu 30577fafb068SAndrew Brestickerconfig BUILTIN_DTB 30587fafb068SAndrew Bresticker bool 30597fafb068SAndrew Bresticker 30601da8f179SJonas Gorskichoice 30615b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30621da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30631da8f179SJonas Gorski 30641da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30651da8f179SJonas Gorski bool "None" 30661da8f179SJonas Gorski help 30671da8f179SJonas Gorski Do not enable appended dtb support. 30681da8f179SJonas Gorski 306987db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 307087db537dSAaro Koskinen bool "vmlinux" 307187db537dSAaro Koskinen help 307287db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 307387db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 307487db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 307587db537dSAaro Koskinen objcopy: 307687db537dSAaro Koskinen 307787db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 307887db537dSAaro Koskinen 307987db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 308087db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 308187db537dSAaro Koskinen the documented boot protocol using a device tree. 308287db537dSAaro Koskinen 30831da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3084b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30851da8f179SJonas Gorski help 30861da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3087b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30881da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30891da8f179SJonas Gorski 30901da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30911da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30921da8f179SJonas Gorski the documented boot protocol using a device tree. 30931da8f179SJonas Gorski 30941da8f179SJonas Gorski Beware that there is very little in terms of protection against 30951da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30961da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30971da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30981da8f179SJonas Gorski if you don't intend to always append a DTB. 30991da8f179SJonas Gorskiendchoice 31001da8f179SJonas Gorski 31012024972eSJonas Gorskichoice 31022024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 31032bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 310487fcfa7bSJiaxun Yang !MACH_LOONGSON64 && !MIPS_MALTA && \ 31052bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 31062024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 31072024972eSJonas Gorski 31082024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 31092024972eSJonas Gorski depends on USE_OF 31102024972eSJonas Gorski bool "Dtb kernel arguments if available" 31112024972eSJonas Gorski 31122024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 31132024972eSJonas Gorski depends on USE_OF 31142024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 31152024972eSJonas Gorski 31162024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 31172024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3118ed47e153SRabin Vincent 3119ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3120ed47e153SRabin Vincent depends on CMDLINE_BOOL 3121ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 31222024972eSJonas Gorskiendchoice 31232024972eSJonas Gorski 31245e83d430SRalf Baechleendmenu 31255e83d430SRalf Baechle 31261df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 31271df0f0ffSAtsushi Nemoto bool 31281df0f0ffSAtsushi Nemoto default y 31291df0f0ffSAtsushi Nemoto 31301df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 31311df0f0ffSAtsushi Nemoto bool 31321df0f0ffSAtsushi Nemoto default y 31331df0f0ffSAtsushi Nemoto 3134a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3135a728ab52SKirill A. Shutemov int 31363377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3137a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3138a728ab52SKirill A. Shutemov default 2 3139a728ab52SKirill A. Shutemov 31406c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 31416c359eb1SPaul Burton bool 31426c359eb1SPaul Burton 31431da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31441da177e4SLinus Torvalds 3145c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31462eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3147c5611df9SPaul Burton bool 3148c5611df9SPaul Burton 3149c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3150c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3151c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31522eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31531da177e4SLinus Torvalds 31541da177e4SLinus Torvalds# 31551da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31561da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31571da177e4SLinus Torvalds# users to choose the right thing ... 31581da177e4SLinus Torvalds# 31591da177e4SLinus Torvaldsconfig ISA 31601da177e4SLinus Torvalds bool 31611da177e4SLinus Torvalds 31621da177e4SLinus Torvaldsconfig TC 31631da177e4SLinus Torvalds bool "TURBOchannel support" 31641da177e4SLinus Torvalds depends on MACH_DECSTATION 31651da177e4SLinus Torvalds help 316650a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 316750a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 316850a23e6eSJustin P. Mattock at: 316950a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 317050a23e6eSJustin P. Mattock and: 317150a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 317250a23e6eSJustin P. Mattock Linux driver support status is documented at: 317350a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31741da177e4SLinus Torvalds 31751da177e4SLinus Torvaldsconfig MMU 31761da177e4SLinus Torvalds bool 31771da177e4SLinus Torvalds default y 31781da177e4SLinus Torvalds 3179109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3180109c32ffSMatt Redfearn default 12 if 64BIT 3181109c32ffSMatt Redfearn default 8 3182109c32ffSMatt Redfearn 3183109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3184109c32ffSMatt Redfearn default 18 if 64BIT 3185109c32ffSMatt Redfearn default 15 3186109c32ffSMatt Redfearn 3187109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3188109c32ffSMatt Redfearn default 8 3189109c32ffSMatt Redfearn 3190109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3191109c32ffSMatt Redfearn default 15 3192109c32ffSMatt Redfearn 3193d865bea4SRalf Baechleconfig I8253 3194d865bea4SRalf Baechle bool 3195798778b8SRussell King select CLKSRC_I8253 31962d02612fSThomas Gleixner select CLKEVT_I8253 31979726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3198d865bea4SRalf Baechle 3199e05eb3f8SRalf Baechleconfig ZONE_DMA 3200e05eb3f8SRalf Baechle bool 3201e05eb3f8SRalf Baechle 3202cce335aeSRalf Baechleconfig ZONE_DMA32 3203cce335aeSRalf Baechle bool 3204cce335aeSRalf Baechle 32051da177e4SLinus Torvaldsendmenu 32061da177e4SLinus Torvalds 32071da177e4SLinus Torvaldsconfig TRAD_SIGNALS 32081da177e4SLinus Torvalds bool 32091da177e4SLinus Torvalds 32101da177e4SLinus Torvaldsconfig MIPS32_COMPAT 321178aaf956SRalf Baechle bool 32121da177e4SLinus Torvalds 32131da177e4SLinus Torvaldsconfig COMPAT 32141da177e4SLinus Torvalds bool 32151da177e4SLinus Torvalds 321605e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 321705e43966SAtsushi Nemoto bool 321805e43966SAtsushi Nemoto 32191da177e4SLinus Torvaldsconfig MIPS32_O32 32201da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 322178aaf956SRalf Baechle depends on 64BIT 322278aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 322378aaf956SRalf Baechle select COMPAT 322478aaf956SRalf Baechle select MIPS32_COMPAT 322578aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32261da177e4SLinus Torvalds help 32271da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 32281da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 32291da177e4SLinus Torvalds existing binaries are in this format. 32301da177e4SLinus Torvalds 32311da177e4SLinus Torvalds If unsure, say Y. 32321da177e4SLinus Torvalds 32331da177e4SLinus Torvaldsconfig MIPS32_N32 32341da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3235c22eacfeSRalf Baechle depends on 64BIT 32365a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 323778aaf956SRalf Baechle select COMPAT 323878aaf956SRalf Baechle select MIPS32_COMPAT 323978aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32401da177e4SLinus Torvalds help 32411da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 32421da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32431da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32441da177e4SLinus Torvalds cases. 32451da177e4SLinus Torvalds 32461da177e4SLinus Torvalds If unsure, say N. 32471da177e4SLinus Torvalds 32481da177e4SLinus Torvaldsconfig BINFMT_ELF32 32491da177e4SLinus Torvalds bool 32501da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3251f43edca7SRalf Baechle select ELFCORE 32521da177e4SLinus Torvalds 32532116245eSRalf Baechlemenu "Power management options" 3254952fa954SRodolfo Giometti 3255363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3256363c55caSWu Zhangjin def_bool y 32573f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3258363c55caSWu Zhangjin 3259f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3260f4cb5700SJohannes Berg def_bool y 32613f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3262f4cb5700SJohannes Berg 32632116245eSRalf Baechlesource "kernel/power/Kconfig" 3264952fa954SRodolfo Giometti 32651da177e4SLinus Torvaldsendmenu 32661da177e4SLinus Torvalds 32677a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32687a998935SViresh Kumar bool 32697a998935SViresh Kumar 32707a998935SViresh Kumarmenu "CPU Power Management" 3271c095ebafSPaul Burton 3272c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32737a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32747a998935SViresh Kumarendif 32759726b43aSWu Zhangjin 3276c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3277c095ebafSPaul Burton 3278c095ebafSPaul Burtonendmenu 3279c095ebafSPaul Burton 328098cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 328198cdee0eSRalf Baechle 32822235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3283e91946d6SNathan Chancellor 3284e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig" 3285