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 5412597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 5564575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5612597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5712597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5812597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5912597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 6034c01e41SAlexander Lobakin select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2 6112597988SMatt Redfearn select HAVE_EXIT_THREAD 6267a929e0SChristoph Hellwig select HAVE_FAST_GUP 6312597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 6429c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 6512597988SMatt Redfearn select HAVE_FUNCTION_TRACER 6634c01e41SAlexander Lobakin select HAVE_GCC_PLUGINS 6734c01e41SAlexander Lobakin select HAVE_GENERIC_VDSO 6812597988SMatt Redfearn select HAVE_IDE 69b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 7012597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 7112597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 72c1bf207dSDavid Daney select HAVE_KPROBES 73c1bf207dSDavid Daney select HAVE_KRETPROBES 74c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 75786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 7642a0bb3fSPetr Mladek select HAVE_NMI 7712597988SMatt Redfearn select HAVE_OPROFILE 7812597988SMatt Redfearn select HAVE_PERF_EVENTS 7908bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 809ea141adSPaul Burton select HAVE_RSEQ 8116c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 82d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 8312597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 84a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 8512597988SMatt Redfearn select IRQ_FORCED_THREADING 866630a8e5SChristoph Hellwig select ISA if EISA 8712597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8834c01e41SAlexander Lobakin select MODULES_USE_ELF_RELA if MODULES && 64BIT 8912597988SMatt Redfearn select PERF_USE_VMALLOC 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 3700e2794b0SRalf Baechle select FW_ARC 3710e2794b0SRalf Baechle select FW_ARC32 3725e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 37342f77542SRalf Baechle select CEVT_R4K 374940f6b48SRalf Baechle select CSRC_R4K 375e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3765e83d430SRalf Baechle select GENERIC_ISA_DMA 3778a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 37867e38cf2SRalf Baechle select IRQ_MIPS_CPU 379d865bea4SRalf Baechle select I8253 3805e83d430SRalf Baechle select I8259 3815e83d430SRalf Baechle select ISA 3827cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3835e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3847d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3851723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3861da177e4SLinus Torvalds help 3875e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3885e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 389692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3905e83d430SRalf Baechle Olivetti M700-10 workstations. 3915e83d430SRalf Baechle 392de361e8bSPaul Burtonconfig MACH_INGENIC 393de361e8bSPaul Burton bool "Ingenic SoC based machines" 3945ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3955ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 396f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 397b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3985ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 39967e38cf2SRalf Baechle select IRQ_MIPS_CPU 40037b4c3caSPaul Cercueil select PINCTRL 401d30a2b47SLinus Walleij select GPIOLIB 402ff1930c6SPaul Burton select COMMON_CLK 40383bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 40415205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 405ffb1843dSPaul Burton select USE_OF 4065ebabe59SLars-Peter Clausen 407171bb2f1SJohn Crispinconfig LANTIQ 408171bb2f1SJohn Crispin bool "Lantiq based platforms" 409171bb2f1SJohn Crispin select DMA_NONCOHERENT 41067e38cf2SRalf Baechle select IRQ_MIPS_CPU 411171bb2f1SJohn Crispin select CEVT_R4K 412171bb2f1SJohn Crispin select CSRC_R4K 413171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 414171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 415171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 416171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 417377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 418171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 419f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 420171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 421d30a2b47SLinus Walleij select GPIOLIB 422171bb2f1SJohn Crispin select SWAP_IO_SPACE 423171bb2f1SJohn Crispin select BOOT_RAW 424287e3f3fSJohn Crispin select CLKDEV_LOOKUP 425bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 426a0392222SJohn Crispin select USE_OF 4273f8c50c9SJohn Crispin select PINCTRL 4283f8c50c9SJohn Crispin select PINCTRL_LANTIQ 429c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 430c530781cSJohn Crispin select RESET_CONTROLLER 431171bb2f1SJohn Crispin 43230ad29bbSHuacai Chenconfig MACH_LOONGSON32 433caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 434c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 435ade299d8SYoichi Yuasa help 43630ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 43785749d24SWu Zhangjin 43830ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 43930ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 44030ad29bbSHuacai Chen Sciences (CAS). 441ade299d8SYoichi Yuasa 44271e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 44371e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 444ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 445ca585cf9SKelvin Cheung help 44671e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 447ca585cf9SKelvin Cheung 44871e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 449caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4506fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4516fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4526fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4536fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4546fbde6b4SJiaxun Yang select BOOT_ELF32 4556fbde6b4SJiaxun Yang select BOARD_SCACHE 4566fbde6b4SJiaxun Yang select CSRC_R4K 4576fbde6b4SJiaxun Yang select CEVT_R4K 4586fbde6b4SJiaxun Yang select CPU_HAS_WB 4596fbde6b4SJiaxun Yang select FORCE_PCI 4606fbde6b4SJiaxun Yang select ISA 4616fbde6b4SJiaxun Yang select I8259 4626fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4637d6d2837SJiaxun Yang select NO_EXCEPT_FILL 4645125bfeeSTiezhu Yang select NR_CPUS_DEFAULT_64 4656fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4666423e59aSJiaxun Yang select PCI_DRIVERS_GENERIC 4676fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4686fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4696fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4706fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4716fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4726fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4736fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 4746fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 47571e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 4766fbde6b4SJiaxun Yang select ZONE_DMA32 4776fbde6b4SJiaxun Yang select NUMA 47887fcfa7bSJiaxun Yang select COMMON_CLK 47987fcfa7bSJiaxun Yang select USE_OF 48087fcfa7bSJiaxun Yang select BUILTIN_DTB 48171e2f4ddSJiaxun Yang help 482caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 483caed1d1bSHuacai Chen 484caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 485caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 486caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 487caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 488ca585cf9SKelvin Cheung 4896a438309SAndrew Brestickerconfig MACH_PISTACHIO 4906a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4916a438309SAndrew Bresticker select BOOT_ELF32 4926a438309SAndrew Bresticker select BOOT_RAW 4936a438309SAndrew Bresticker select CEVT_R4K 4946a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4956a438309SAndrew Bresticker select COMMON_CLK 4966a438309SAndrew Bresticker select CSRC_R4K 497645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 498d30a2b47SLinus Walleij select GPIOLIB 49967e38cf2SRalf Baechle select IRQ_MIPS_CPU 5006a438309SAndrew Bresticker select MFD_SYSCON 5016a438309SAndrew Bresticker select MIPS_CPU_SCACHE 5026a438309SAndrew Bresticker select MIPS_GIC 5036a438309SAndrew Bresticker select PINCTRL 5046a438309SAndrew Bresticker select REGULATOR 5056a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 5066a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 5076a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 5086a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 5096a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 51041cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 5116a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 512018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 513018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 5146a438309SAndrew Bresticker select USE_OF 5156a438309SAndrew Bresticker help 5166a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 5176a438309SAndrew Bresticker 5181da177e4SLinus Torvaldsconfig MIPS_MALTA 5193fa986faSMartin Michlmayr bool "MIPS Malta board" 52061ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 521a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5227a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5231da177e4SLinus Torvalds select BOOT_ELF32 524fa71c960SRalf Baechle select BOOT_RAW 525e8823d26SPaul Burton select BUILTIN_DTB 52642f77542SRalf Baechle select CEVT_R4K 527fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 52842b002abSGuenter Roeck select COMMON_CLK 52947bf2b03SMaksym Kokhan select CSRC_R4K 530885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5311da177e4SLinus Torvalds select GENERIC_ISA_DMA 5328a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 533eb01d42aSChristoph Hellwig select HAVE_PCI 534d865bea4SRalf Baechle select I8253 5351da177e4SLinus Torvalds select I8259 53647bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 5375e83d430SRalf Baechle select MIPS_BONITO64 5389318c51aSChris Dearman select MIPS_CPU_SCACHE 53947bf2b03SMaksym Kokhan select MIPS_GIC 540a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5415e83d430SRalf Baechle select MIPS_MSC 54247bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 543ecafe3e9SPaul Burton select SMP_UP if SMP 5441da177e4SLinus Torvalds select SWAP_IO_SPACE 5457cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5467cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 547bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 548c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 549575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5507cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5515d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 552575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5537cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5547cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 555ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 556ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5575e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 558c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5595e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 560424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 56147bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5620365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 563e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 564f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 56547bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5669693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 567f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5681b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 569e8823d26SPaul Burton select USE_OF 570abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5711da177e4SLinus Torvalds help 572f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5731da177e4SLinus Torvalds board. 5741da177e4SLinus Torvalds 5752572f00dSJoshua Hendersonconfig MACH_PIC32 5762572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5772572f00dSJoshua Henderson help 5782572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5792572f00dSJoshua Henderson 5802572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5812572f00dSJoshua Henderson microcontrollers. 5822572f00dSJoshua Henderson 5835e83d430SRalf Baechleconfig MACH_VR41XX 58474142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 58542f77542SRalf Baechle select CEVT_R4K 586940f6b48SRalf Baechle select CSRC_R4K 5877cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 588377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 589d30a2b47SLinus Walleij select GPIOLIB 5905e83d430SRalf Baechle 591edb6310aSDaniel Lairdconfig NXP_STB220 592edb6310aSDaniel Laird bool "NXP STB220 board" 593edb6310aSDaniel Laird select SOC_PNX833X 594edb6310aSDaniel Laird help 595edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 596edb6310aSDaniel Laird 597edb6310aSDaniel Lairdconfig NXP_STB225 598edb6310aSDaniel Laird bool "NXP 225 board" 599edb6310aSDaniel Laird select SOC_PNX833X 600edb6310aSDaniel Laird select SOC_PNX8335 601edb6310aSDaniel Laird help 602edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 603edb6310aSDaniel Laird 604ae2b5bb6SJohn Crispinconfig RALINK 605ae2b5bb6SJohn Crispin bool "Ralink based machines" 606ae2b5bb6SJohn Crispin select CEVT_R4K 607ae2b5bb6SJohn Crispin select CSRC_R4K 608ae2b5bb6SJohn Crispin select BOOT_RAW 609ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61067e38cf2SRalf Baechle select IRQ_MIPS_CPU 611ae2b5bb6SJohn Crispin select USE_OF 612ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 613ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 614ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 615ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 616377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 617ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 618ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6192a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6202a153f1cSJohn Crispin select RESET_CONTROLLER 621ae2b5bb6SJohn Crispin 6221da177e4SLinus Torvaldsconfig SGI_IP22 6233fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 624c0de00b2SThomas Bogendoerfer select ARC_MEMORY 62539b2d756SThomas Bogendoerfer select ARC_PROMLIB 6260e2794b0SRalf Baechle select FW_ARC 6270e2794b0SRalf Baechle select FW_ARC32 6287a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6291da177e4SLinus Torvalds select BOOT_ELF32 63042f77542SRalf Baechle select CEVT_R4K 631940f6b48SRalf Baechle select CSRC_R4K 632e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6331da177e4SLinus Torvalds select DMA_NONCOHERENT 6346630a8e5SChristoph Hellwig select HAVE_EISA 635d865bea4SRalf Baechle select I8253 63668de4803SThomas Bogendoerfer select I8259 6371da177e4SLinus Torvalds select IP22_CPU_SCACHE 63867e38cf2SRalf Baechle select IRQ_MIPS_CPU 639aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 640e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 641e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 64236e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 643e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 644e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 645e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6461da177e4SLinus Torvalds select SWAP_IO_SPACE 6477cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6487cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 649c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 650ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 651ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6525e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 653930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6541da177e4SLinus Torvalds help 6551da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6561da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6571da177e4SLinus Torvalds that runs on these, say Y here. 6581da177e4SLinus Torvalds 6591da177e4SLinus Torvaldsconfig SGI_IP27 6603fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 66154aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 662397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 6630e2794b0SRalf Baechle select FW_ARC 6640e2794b0SRalf Baechle select FW_ARC64 665e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 6665e83d430SRalf Baechle select BOOT_ELF64 667e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 66836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 669eb01d42aSChristoph Hellwig select HAVE_PCI 67069a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 671e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 672130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 673a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 674a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 6757cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 676ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6775e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 678d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6791a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 680930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6811da177e4SLinus Torvalds help 6821da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6831da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6841da177e4SLinus Torvalds here. 6851da177e4SLinus Torvalds 686e2defae5SThomas Bogendoerferconfig SGI_IP28 6877d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 688c0de00b2SThomas Bogendoerfer select ARC_MEMORY 68939b2d756SThomas Bogendoerfer select ARC_PROMLIB 6900e2794b0SRalf Baechle select FW_ARC 6910e2794b0SRalf Baechle select FW_ARC64 6927a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 693e2defae5SThomas Bogendoerfer select BOOT_ELF64 694e2defae5SThomas Bogendoerfer select CEVT_R4K 695e2defae5SThomas Bogendoerfer select CSRC_R4K 696e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 697e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 698e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 69967e38cf2SRalf Baechle select IRQ_MIPS_CPU 7006630a8e5SChristoph Hellwig select HAVE_EISA 701e2defae5SThomas Bogendoerfer select I8253 702e2defae5SThomas Bogendoerfer select I8259 703e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 704e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7055b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 706e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 707e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 708e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 709e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 710e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 711c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 712e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 713e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 714dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 715e2defae5SThomas Bogendoerfer help 716e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 717e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 718e2defae5SThomas Bogendoerfer 7197505576dSThomas Bogendoerferconfig SGI_IP30 7207505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7217505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7227505576dSThomas Bogendoerfer select FW_ARC 7237505576dSThomas Bogendoerfer select FW_ARC64 7247505576dSThomas Bogendoerfer select BOOT_ELF64 7257505576dSThomas Bogendoerfer select CEVT_R4K 7267505576dSThomas Bogendoerfer select CSRC_R4K 7277505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7287505576dSThomas Bogendoerfer select ZONE_DMA32 7297505576dSThomas Bogendoerfer select HAVE_PCI 7307505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7317505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7327505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 7337505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7347505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7357505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7367505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7377505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7387505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7397505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 7407505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7417505576dSThomas Bogendoerfer select ARC_MEMORY 7427505576dSThomas Bogendoerfer help 7437505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 7447505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 7457505576dSThomas Bogendoerfer 7461da177e4SLinus Torvaldsconfig SGI_IP32 747cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 74839b2d756SThomas Bogendoerfer select ARC_MEMORY 74939b2d756SThomas Bogendoerfer select ARC_PROMLIB 75003df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7510e2794b0SRalf Baechle select FW_ARC 7520e2794b0SRalf Baechle select FW_ARC32 7531da177e4SLinus Torvalds select BOOT_ELF32 75442f77542SRalf Baechle select CEVT_R4K 755940f6b48SRalf Baechle select CSRC_R4K 7561da177e4SLinus Torvalds select DMA_NONCOHERENT 757eb01d42aSChristoph Hellwig select HAVE_PCI 75867e38cf2SRalf Baechle select IRQ_MIPS_CPU 7591da177e4SLinus Torvalds select R5000_CPU_SCACHE 7601da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7617cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7627cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7637cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 764dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 765ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7665e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7671da177e4SLinus Torvalds help 7681da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7691da177e4SLinus Torvalds 770ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 771ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7725e83d430SRalf Baechle select BOOT_ELF32 7735e83d430SRalf Baechle select SIBYTE_BCM1120 7745e83d430SRalf Baechle select SWAP_IO_SPACE 7757cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7765e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7775e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7785e83d430SRalf Baechle 779ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 780ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7815e83d430SRalf Baechle select BOOT_ELF32 7825e83d430SRalf Baechle select SIBYTE_BCM1120 7835e83d430SRalf Baechle select SWAP_IO_SPACE 7847cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7855e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7865e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7875e83d430SRalf Baechle 7885e83d430SRalf Baechleconfig SIBYTE_CRHONE 7893fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7905e83d430SRalf Baechle select BOOT_ELF32 7915e83d430SRalf Baechle select SIBYTE_BCM1125 7925e83d430SRalf Baechle select SWAP_IO_SPACE 7937cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7945e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7955e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7965e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7975e83d430SRalf Baechle 798ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 799ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 800ade299d8SYoichi Yuasa select BOOT_ELF32 801ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 802ade299d8SYoichi Yuasa select SWAP_IO_SPACE 803ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 804ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 805ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 806ade299d8SYoichi Yuasa 807ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 808ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 809ade299d8SYoichi Yuasa select BOOT_ELF32 810fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 811ade299d8SYoichi Yuasa select SIBYTE_SB1250 812ade299d8SYoichi Yuasa select SWAP_IO_SPACE 813ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 814ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 815ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 816ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 817cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 818e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 819ade299d8SYoichi Yuasa 820ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 821ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 822ade299d8SYoichi Yuasa select BOOT_ELF32 823fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 824ade299d8SYoichi Yuasa select SIBYTE_SB1250 825ade299d8SYoichi Yuasa select SWAP_IO_SPACE 826ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 827ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 828ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 829ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 830756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 831ade299d8SYoichi Yuasa 832ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 833ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 834ade299d8SYoichi Yuasa select BOOT_ELF32 835ade299d8SYoichi Yuasa select SIBYTE_SB1250 836ade299d8SYoichi Yuasa select SWAP_IO_SPACE 837ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 838ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 839ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 840e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 841ade299d8SYoichi Yuasa 842ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 843ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 844ade299d8SYoichi Yuasa select BOOT_ELF32 845ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 846ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 847ade299d8SYoichi Yuasa select SWAP_IO_SPACE 848ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 849ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 850651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 851ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 852cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 853e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 854ade299d8SYoichi Yuasa 85514b36af4SThomas Bogendoerferconfig SNI_RM 85614b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 85739b2d756SThomas Bogendoerfer select ARC_MEMORY 85839b2d756SThomas Bogendoerfer select ARC_PROMLIB 8590e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8600e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 861aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8625e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 863a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8647a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8655e83d430SRalf Baechle select BOOT_ELF32 86642f77542SRalf Baechle select CEVT_R4K 867940f6b48SRalf Baechle select CSRC_R4K 868e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8695e83d430SRalf Baechle select DMA_NONCOHERENT 8705e83d430SRalf Baechle select GENERIC_ISA_DMA 8716630a8e5SChristoph Hellwig select HAVE_EISA 8728a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 873eb01d42aSChristoph Hellwig select HAVE_PCI 87467e38cf2SRalf Baechle select IRQ_MIPS_CPU 875d865bea4SRalf Baechle select I8253 8765e83d430SRalf Baechle select I8259 8775e83d430SRalf Baechle select ISA 8784a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8797cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8804a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 881c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8824a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 88336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 884ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8857d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8864a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8875e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8885e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8891da177e4SLinus Torvalds help 89014b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 89114b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8925e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8935e83d430SRalf Baechle support this machine type. 8941da177e4SLinus Torvalds 895edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 896edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8975e83d430SRalf Baechle 898edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 899edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 90023fbee9dSRalf Baechle 90173b4390fSRalf Baechleconfig MIKROTIK_RB532 90273b4390fSRalf Baechle bool "Mikrotik RB532 boards" 90373b4390fSRalf Baechle select CEVT_R4K 90473b4390fSRalf Baechle select CSRC_R4K 90573b4390fSRalf Baechle select DMA_NONCOHERENT 906eb01d42aSChristoph Hellwig select HAVE_PCI 90767e38cf2SRalf Baechle select IRQ_MIPS_CPU 90873b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 90973b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 91073b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 91173b4390fSRalf Baechle select SWAP_IO_SPACE 91273b4390fSRalf Baechle select BOOT_RAW 913d30a2b47SLinus Walleij select GPIOLIB 914930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 91573b4390fSRalf Baechle help 91673b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 91773b4390fSRalf Baechle based on the IDT RC32434 SoC. 91873b4390fSRalf Baechle 9199ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9209ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 921a86c7f72SDavid Daney select CEVT_R4K 922ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9231753d50cSChristoph Hellwig select HAVE_RAPIDIO 924d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 925a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 926a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 927f65aad41SRalf Baechle select EDAC_SUPPORT 928b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 92973569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 93073569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 931a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9325e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 933eb01d42aSChristoph Hellwig select HAVE_PCI 93478bdbbacSMasahiro Yamada select HAVE_PLAT_DELAY 93578bdbbacSMasahiro Yamada select HAVE_PLAT_FW_INIT_CMDLINE 93678bdbbacSMasahiro Yamada select HAVE_PLAT_MEMCPY 937f00e001eSDavid Daney select ZONE_DMA32 938465aaed0SDavid Daney select HOLES_IN_ZONE 939d30a2b47SLinus Walleij select GPIOLIB 9406e511163SDavid Daney select USE_OF 9416e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9426e511163SDavid Daney select SYS_SUPPORTS_SMP 9437820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9447820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 945e326479fSAndrew Bresticker select BUILTIN_DTB 9468c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 94709230cbcSChristoph Hellwig select SWIOTLB 9483ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 949a86c7f72SDavid Daney help 950a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 951a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 952a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 953a86c7f72SDavid Daney Some of the supported boards are: 954a86c7f72SDavid Daney EBT3000 955a86c7f72SDavid Daney EBH3000 956a86c7f72SDavid Daney EBH3100 957a86c7f72SDavid Daney Thunder 958a86c7f72SDavid Daney Kodama 959a86c7f72SDavid Daney Hikari 960a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 961a86c7f72SDavid Daney 9627f058e85SJayachandran Cconfig NLM_XLR_BOARD 9637f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9647f058e85SJayachandran C select BOOT_ELF32 9657f058e85SJayachandran C select NLM_COMMON 9667f058e85SJayachandran C select SYS_HAS_CPU_XLR 9677f058e85SJayachandran C select SYS_SUPPORTS_SMP 968eb01d42aSChristoph Hellwig select HAVE_PCI 9697f058e85SJayachandran C select SWAP_IO_SPACE 9707f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9717f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 972d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9737f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9747f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9757f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9767f058e85SJayachandran C select CEVT_R4K 9777f058e85SJayachandran C select CSRC_R4K 97867e38cf2SRalf Baechle select IRQ_MIPS_CPU 979b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9807f058e85SJayachandran C select SYNC_R4K 9817f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9828f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9838f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9847f058e85SJayachandran C help 9857f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9867f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9877f058e85SJayachandran C 9881c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9891c773ea4SJayachandran C bool "Netlogic XLP based systems" 9901c773ea4SJayachandran C select BOOT_ELF32 9911c773ea4SJayachandran C select NLM_COMMON 9921c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9931c773ea4SJayachandran C select SYS_SUPPORTS_SMP 994eb01d42aSChristoph Hellwig select HAVE_PCI 9951c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9961c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 997d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 998d30a2b47SLinus Walleij select GPIOLIB 9991c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10001c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10011c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10021c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10031c773ea4SJayachandran C select CEVT_R4K 10041c773ea4SJayachandran C select CSRC_R4K 100567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1006b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10071c773ea4SJayachandran C select SYNC_R4K 10081c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10092f6528e1SJayachandran C select USE_OF 10108f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10118f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10121c773ea4SJayachandran C help 10131c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10141c773ea4SJayachandran C Say Y here if you have a XLP based board. 10151c773ea4SJayachandran C 10169bc463beSDavid Daneyconfig MIPS_PARAVIRT 10179bc463beSDavid Daney bool "Para-Virtualized guest system" 10189bc463beSDavid Daney select CEVT_R4K 10199bc463beSDavid Daney select CSRC_R4K 10209bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10219bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10229bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10239bc463beSDavid Daney select SYS_SUPPORTS_SMP 10249bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10259bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10269bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10279bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10289bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1029eb01d42aSChristoph Hellwig select HAVE_PCI 10309bc463beSDavid Daney select SWAP_IO_SPACE 10319bc463beSDavid Daney help 10329bc463beSDavid Daney This option supports guest running under ???? 10339bc463beSDavid Daney 10341da177e4SLinus Torvaldsendchoice 10351da177e4SLinus Torvalds 1036e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10373b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1038d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1039a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1040e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10418945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1042eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10435e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10445ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10458ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10462572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1047af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 1048ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 104929c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 105038b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 105122b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10525e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1053a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 105471e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 105530ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 105630ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10577f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1058ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 105938b18f72SRalf Baechle 10605e83d430SRalf Baechleendmenu 10615e83d430SRalf Baechle 10623c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10633c9ee7efSAkinobu Mita bool 10643c9ee7efSAkinobu Mita default y 10653c9ee7efSAkinobu Mita 10661da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10671da177e4SLinus Torvalds bool 10681da177e4SLinus Torvalds default y 10691da177e4SLinus Torvalds 1070ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10711cc89038SAtsushi Nemoto bool 10721cc89038SAtsushi Nemoto default y 10731cc89038SAtsushi Nemoto 10741da177e4SLinus Torvalds# 10751da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10761da177e4SLinus Torvalds# 10770e2794b0SRalf Baechleconfig FW_ARC 10781da177e4SLinus Torvalds bool 10791da177e4SLinus Torvalds 108061ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 108161ed242dSRalf Baechle bool 108261ed242dSRalf Baechle 10839267a30dSMarc St-Jeanconfig BOOT_RAW 10849267a30dSMarc St-Jean bool 10859267a30dSMarc St-Jean 1086217dd11eSRalf Baechleconfig CEVT_BCM1480 1087217dd11eSRalf Baechle bool 1088217dd11eSRalf Baechle 10896457d9fcSYoichi Yuasaconfig CEVT_DS1287 10906457d9fcSYoichi Yuasa bool 10916457d9fcSYoichi Yuasa 10921097c6acSYoichi Yuasaconfig CEVT_GT641XX 10931097c6acSYoichi Yuasa bool 10941097c6acSYoichi Yuasa 109542f77542SRalf Baechleconfig CEVT_R4K 109642f77542SRalf Baechle bool 109742f77542SRalf Baechle 1098217dd11eSRalf Baechleconfig CEVT_SB1250 1099217dd11eSRalf Baechle bool 1100217dd11eSRalf Baechle 1101229f773eSAtsushi Nemotoconfig CEVT_TXX9 1102229f773eSAtsushi Nemoto bool 1103229f773eSAtsushi Nemoto 1104217dd11eSRalf Baechleconfig CSRC_BCM1480 1105217dd11eSRalf Baechle bool 1106217dd11eSRalf Baechle 11074247417dSYoichi Yuasaconfig CSRC_IOASIC 11084247417dSYoichi Yuasa bool 11094247417dSYoichi Yuasa 1110940f6b48SRalf Baechleconfig CSRC_R4K 111138586428SSerge Semin select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1112940f6b48SRalf Baechle bool 1113940f6b48SRalf Baechle 1114217dd11eSRalf Baechleconfig CSRC_SB1250 1115217dd11eSRalf Baechle bool 1116217dd11eSRalf Baechle 1117a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1118a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1119a7f4df4eSAlex Smith 1120a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1121d30a2b47SLinus Walleij select GPIOLIB 1122a9aec7feSAtsushi Nemoto bool 1123a9aec7feSAtsushi Nemoto 11240e2794b0SRalf Baechleconfig FW_CFE 1125df78b5c8SAurelien Jarno bool 1126df78b5c8SAurelien Jarno 112740e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 112840e084a5SRalf Baechle bool 112940e084a5SRalf Baechle 1130885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1131f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1132885014bcSFelix Fietkau select DMA_NONCOHERENT 1133885014bcSFelix Fietkau bool 1134885014bcSFelix Fietkau 113520d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 113620d33064SPaul Burton bool 1137347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11385748e1b3SChristoph Hellwig select DMA_NONCOHERENT 113920d33064SPaul Burton 11401da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11411da177e4SLinus Torvalds bool 1142db91427bSChristoph Hellwig # 1143db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1144db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1145db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1146db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1147db91427bSChristoph Hellwig # significant advantages. 1148db91427bSChristoph Hellwig # 1149419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1150fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_PREP_COHERENT 1151f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1152fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_SET_UNCACHED 115334dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 1154f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 115534dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 11564ce588cdSRalf Baechle 115736a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11581da177e4SLinus Torvalds bool 11591da177e4SLinus Torvalds 11601b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1161dbb74540SRalf Baechle bool 1162dbb74540SRalf Baechle 11631da177e4SLinus Torvaldsconfig MIPS_BONITO64 11641da177e4SLinus Torvalds bool 11651da177e4SLinus Torvalds 11661da177e4SLinus Torvaldsconfig MIPS_MSC 11671da177e4SLinus Torvalds bool 11681da177e4SLinus Torvalds 116939b8d525SRalf Baechleconfig SYNC_R4K 117039b8d525SRalf Baechle bool 117139b8d525SRalf Baechle 1172487d70d0SGabor Juhosconfig MIPS_MACHINE 1173487d70d0SGabor Juhos def_bool n 1174487d70d0SGabor Juhos 1175ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1176d388d685SMaciej W. Rozycki def_bool n 1177d388d685SMaciej W. Rozycki 11784e0748f5SMarkos Chandrasconfig GENERIC_CSUM 117918d84e2eSAlexander Lobakin def_bool CPU_NO_LOAD_STORE_LR 11804e0748f5SMarkos Chandras 11818313da30SRalf Baechleconfig GENERIC_ISA_DMA 11828313da30SRalf Baechle bool 11838313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1184a35bee8aSNamhyung Kim select ISA_DMA_API 11858313da30SRalf Baechle 1186aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1187aa414dffSRalf Baechle bool 11888313da30SRalf Baechle select GENERIC_ISA_DMA 1189aa414dffSRalf Baechle 119078bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY 119178bdbbacSMasahiro Yamada bool 119278bdbbacSMasahiro Yamada 119378bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE 119478bdbbacSMasahiro Yamada bool 119578bdbbacSMasahiro Yamada 119678bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY 119778bdbbacSMasahiro Yamada bool 119878bdbbacSMasahiro Yamada 1199a35bee8aSNamhyung Kimconfig ISA_DMA_API 1200a35bee8aSNamhyung Kim bool 1201a35bee8aSNamhyung Kim 1202465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1203465aaed0SDavid Daney bool 1204465aaed0SDavid Daney 12058c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 12068c530ea3SMatt Redfearn bool 12078c530ea3SMatt Redfearn help 12088c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 12098c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 12108c530ea3SMatt Redfearn to allow access to command line and entropy sources. 12118c530ea3SMatt Redfearn 1212f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1213f381bf6dSDavid Daney def_bool y 1214f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1215f381bf6dSDavid Daney 1216f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1217f381bf6dSDavid Daney def_bool y 1218f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1219f381bf6dSDavid Daney 1220f381bf6dSDavid Daney 12215e83d430SRalf Baechle# 12226b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12235e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12245e83d430SRalf Baechle# choice statement should be more obvious to the user. 12255e83d430SRalf Baechle# 12265e83d430SRalf Baechlechoice 12276b2aac42SMasanari Iida prompt "Endianness selection" 12281da177e4SLinus Torvalds help 12291da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12305e83d430SRalf Baechle byte order. These modes require different kernels and a different 12313cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12325e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12333dde6ad8SDavid Sterba one or the other endianness. 12345e83d430SRalf Baechle 12355e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12365e83d430SRalf Baechle bool "Big endian" 12375e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12385e83d430SRalf Baechle 12395e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12405e83d430SRalf Baechle bool "Little endian" 12415e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12425e83d430SRalf Baechle 12435e83d430SRalf Baechleendchoice 12445e83d430SRalf Baechle 124522b0763aSDavid Daneyconfig EXPORT_UASM 124622b0763aSDavid Daney bool 124722b0763aSDavid Daney 12482116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12492116245eSRalf Baechle bool 12502116245eSRalf Baechle 12515e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12525e83d430SRalf Baechle bool 12535e83d430SRalf Baechle 12545e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12555e83d430SRalf Baechle bool 12561da177e4SLinus Torvalds 12579cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12589cffd154SDavid Daney bool 125945e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12609cffd154SDavid Daney default y 12619cffd154SDavid Daney 1262aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1263aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1264aa1762f4SDavid Daney 12651da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12661da177e4SLinus Torvalds bool 12671da177e4SLinus Torvalds 12689267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12699267a30dSMarc St-Jean bool 12709267a30dSMarc St-Jean 12719267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12729267a30dSMarc St-Jean bool 12739267a30dSMarc St-Jean 12748420fd00SAtsushi Nemotoconfig IRQ_TXX9 12758420fd00SAtsushi Nemoto bool 12768420fd00SAtsushi Nemoto 1277d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1278d5ab1a69SYoichi Yuasa bool 1279d5ab1a69SYoichi Yuasa 1280252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12811da177e4SLinus Torvalds bool 12821da177e4SLinus Torvalds 1283a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1284a57140e9SThomas Bogendoerfer bool 1285a57140e9SThomas Bogendoerfer 12869267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12879267a30dSMarc St-Jean bool 12889267a30dSMarc St-Jean 1289edb6310aSDaniel Lairdconfig SOC_PNX833X 1290edb6310aSDaniel Laird bool 1291edb6310aSDaniel Laird select CEVT_R4K 1292edb6310aSDaniel Laird select CSRC_R4K 129367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1294edb6310aSDaniel Laird select DMA_NONCOHERENT 1295edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1296edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1297edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1298edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1299377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1300edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1301edb6310aSDaniel Laird 1302edb6310aSDaniel Lairdconfig SOC_PNX8335 1303edb6310aSDaniel Laird bool 1304edb6310aSDaniel Laird select SOC_PNX833X 1305edb6310aSDaniel Laird 1306a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1307a7e07b1aSMarkos Chandras bool 1308a7e07b1aSMarkos Chandras 13091da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13101da177e4SLinus Torvalds bool 13111da177e4SLinus Torvalds 1312e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1313e2defae5SThomas Bogendoerfer bool 1314e2defae5SThomas Bogendoerfer 13155b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13165b438c44SThomas Bogendoerfer bool 13175b438c44SThomas Bogendoerfer 1318e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1319e2defae5SThomas Bogendoerfer bool 1320e2defae5SThomas Bogendoerfer 1321e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1322e2defae5SThomas Bogendoerfer bool 1323e2defae5SThomas Bogendoerfer 1324e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1325e2defae5SThomas Bogendoerfer bool 1326e2defae5SThomas Bogendoerfer 1327e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1328e2defae5SThomas Bogendoerfer bool 1329e2defae5SThomas Bogendoerfer 1330e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1331e2defae5SThomas Bogendoerfer bool 1332e2defae5SThomas Bogendoerfer 13330e2794b0SRalf Baechleconfig FW_ARC32 13345e83d430SRalf Baechle bool 13355e83d430SRalf Baechle 1336aaa9fad3SPaul Bolleconfig FW_SNIPROM 1337231a35d3SThomas Bogendoerfer bool 1338231a35d3SThomas Bogendoerfer 13391da177e4SLinus Torvaldsconfig BOOT_ELF32 13401da177e4SLinus Torvalds bool 13411da177e4SLinus Torvalds 1342930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1343930beb5aSFlorian Fainelli bool 1344930beb5aSFlorian Fainelli 1345930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1346930beb5aSFlorian Fainelli bool 1347930beb5aSFlorian Fainelli 1348930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1349930beb5aSFlorian Fainelli bool 1350930beb5aSFlorian Fainelli 1351930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1352930beb5aSFlorian Fainelli bool 1353930beb5aSFlorian Fainelli 13541da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13551da177e4SLinus Torvalds int 1356a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13575432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13585432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13595432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13601da177e4SLinus Torvalds default "5" 13611da177e4SLinus Torvalds 1362e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1363e9422427SThomas Bogendoerfer bool 1364e9422427SThomas Bogendoerfer 13651da177e4SLinus Torvaldsconfig ARC_CONSOLE 13661da177e4SLinus Torvalds bool "ARC console support" 1367e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13681da177e4SLinus Torvalds 13691da177e4SLinus Torvaldsconfig ARC_MEMORY 13701da177e4SLinus Torvalds bool 13711da177e4SLinus Torvalds 13721da177e4SLinus Torvaldsconfig ARC_PROMLIB 13731da177e4SLinus Torvalds bool 13741da177e4SLinus Torvalds 13750e2794b0SRalf Baechleconfig FW_ARC64 13761da177e4SLinus Torvalds bool 13771da177e4SLinus Torvalds 13781da177e4SLinus Torvaldsconfig BOOT_ELF64 13791da177e4SLinus Torvalds bool 13801da177e4SLinus Torvalds 13811da177e4SLinus Torvaldsmenu "CPU selection" 13821da177e4SLinus Torvalds 13831da177e4SLinus Torvaldschoice 13841da177e4SLinus Torvalds prompt "CPU type" 13851da177e4SLinus Torvalds default CPU_R4X00 13861da177e4SLinus Torvalds 1387268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1388caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1389268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1390d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 139151522217SJiaxun Yang select CPU_MIPSR2 139251522217SJiaxun Yang select CPU_HAS_PREFETCH 13930e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13940e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13950e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13967507445bSHuacai Chen select CPU_SUPPORTS_MSA 139751522217SJiaxun Yang select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 139851522217SJiaxun Yang select CPU_MIPSR2_IRQ_VI 13990e476d91SHuacai Chen select WEAK_ORDERING 14000e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 14017507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1402b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 140317c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1404d30a2b47SLinus Walleij select GPIOLIB 140509230cbcSChristoph Hellwig select SWIOTLB 14060f78355cSHuacai Chen select HAVE_KVM 14070e476d91SHuacai Chen help 1408caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1409caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1410caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1411caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1412caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 14130e476d91SHuacai Chen 1414caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1415caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 14161e820da3SHuacai Chen default n 1417268a2d60SJiaxun Yang depends on CPU_LOONGSON64 14181e820da3SHuacai Chen help 1419caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 14201e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1421268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14221e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14231e820da3SHuacai Chen Fast TLB refill support, etc. 14241e820da3SHuacai Chen 14251e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14261e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14271e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1428caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 14291e820da3SHuacai Chen 1430e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1431caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1432e02e07e3SHuacai Chen default y if SMP 1433268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1434e02e07e3SHuacai Chen help 1435caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1436e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1437e02e07e3SHuacai Chen 1438caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1439e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1440e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1441e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1442e02e07e3SHuacai Chen 1443e02e07e3SHuacai Chen If unsure, please say Y. 1444e02e07e3SHuacai Chen 1445ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION 1446ec7a9318SWANG Xuerui bool "Emulate the CPUCFG instruction on older Loongson cores" 1447ec7a9318SWANG Xuerui default y 1448ec7a9318SWANG Xuerui depends on CPU_LOONGSON64 1449ec7a9318SWANG Xuerui help 1450ec7a9318SWANG Xuerui Loongson-3A R4 and newer have the CPUCFG instruction available for 1451ec7a9318SWANG Xuerui userland to query CPU capabilities, much like CPUID on x86. This 1452ec7a9318SWANG Xuerui option provides emulation of the instruction on older Loongson 1453ec7a9318SWANG Xuerui cores, back to Loongson-3A1000. 1454ec7a9318SWANG Xuerui 1455ec7a9318SWANG Xuerui If unsure, please say Y. 1456ec7a9318SWANG Xuerui 14573702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14583702bba5SWu Zhangjin bool "Loongson 2E" 14593702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1460268a2d60SJiaxun Yang select CPU_LOONGSON2EF 14612a21c730SFuxin Zhang help 14622a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14632a21c730SFuxin Zhang with many extensions. 14642a21c730SFuxin Zhang 146525985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14666f7a251aSWu Zhangjin bonito64. 14676f7a251aSWu Zhangjin 14686f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14696f7a251aSWu Zhangjin bool "Loongson 2F" 14706f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1471268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1472d30a2b47SLinus Walleij select GPIOLIB 14736f7a251aSWu Zhangjin help 14746f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14756f7a251aSWu Zhangjin with many extensions. 14766f7a251aSWu Zhangjin 14776f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14786f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14796f7a251aSWu Zhangjin Loongson2E. 14806f7a251aSWu Zhangjin 1481ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1482ca585cf9SKelvin Cheung bool "Loongson 1B" 1483ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1484b2afb64cSHuacai Chen select CPU_LOONGSON32 14859ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1486ca585cf9SKelvin Cheung help 1487ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1488968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1489968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1490ca585cf9SKelvin Cheung 149112e3280bSYang Lingconfig CPU_LOONGSON1C 149212e3280bSYang Ling bool "Loongson 1C" 149312e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1494b2afb64cSHuacai Chen select CPU_LOONGSON32 149512e3280bSYang Ling select LEDS_GPIO_REGISTER 149612e3280bSYang Ling help 149712e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1498968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1499968dc5a0S谢致邦 (XIE Zhibang) instruction set. 150012e3280bSYang Ling 15016e760c8dSRalf Baechleconfig CPU_MIPS32_R1 15026e760c8dSRalf Baechle bool "MIPS32 Release 1" 15037cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 15046e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1505797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1506ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15076e760c8dSRalf Baechle help 15085e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 15091e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15101e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15111e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15121e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15131e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 15141e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 15151e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 15161e5f1caaSRalf Baechle performance. 15171e5f1caaSRalf Baechle 15181e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15191e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15207cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15211e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1522797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1523ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1524a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15252235a54dSSanjay Lal select HAVE_KVM 15261e5f1caaSRalf Baechle help 15275e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15286e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15296e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15306e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15316e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15321da177e4SLinus Torvalds 1533ab7c01fdSSerge Seminconfig CPU_MIPS32_R5 1534ab7c01fdSSerge Semin bool "MIPS32 Release 5" 1535ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS32_R5 1536ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1537ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1538ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1539ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1540ab7c01fdSSerge Semin select HAVE_KVM 1541ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT 1542ab7c01fdSSerge Semin help 1543ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1544ab7c01fdSSerge Semin MIPS32 architecture. New MIPS processors, starting with the Warrior 1545ab7c01fdSSerge Semin family, are based on a MIPS32r5 processor. If you own an older 1546ab7c01fdSSerge Semin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1547ab7c01fdSSerge Semin 15487fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1549674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15507fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15517fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 155218d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 15537fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15547fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15557fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15567fd08ca5SLeonid Yegoshin select HAVE_KVM 15577fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15587fd08ca5SLeonid Yegoshin help 15597fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15607fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15617fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15627fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15637fd08ca5SLeonid Yegoshin 15646e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15656e760c8dSRalf Baechle bool "MIPS64 Release 1" 15667cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1567797798c1SRalf Baechle select CPU_HAS_PREFETCH 1568ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1569ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1570ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15719cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15726e760c8dSRalf Baechle help 15736e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15746e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15756e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15766e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15776e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15781e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15791e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15801e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15811e5f1caaSRalf Baechle performance. 15821e5f1caaSRalf Baechle 15831e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15841e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15857cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1586797798c1SRalf Baechle select CPU_HAS_PREFETCH 15871e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15881e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1589ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15909cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1591a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 159240a2df49SJames Hogan select HAVE_KVM 15931e5f1caaSRalf Baechle help 15941e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15951e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15961e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15971e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15981e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15991da177e4SLinus Torvalds 1600ab7c01fdSSerge Seminconfig CPU_MIPS64_R5 1601ab7c01fdSSerge Semin bool "MIPS64 Release 5" 1602ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS64_R5 1603ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1604ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1605ab7c01fdSSerge Semin select CPU_SUPPORTS_64BIT_KERNEL 1606ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1607ab7c01fdSSerge Semin select CPU_SUPPORTS_HUGEPAGES 1608ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1609ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1610ab7c01fdSSerge Semin select HAVE_KVM 1611ab7c01fdSSerge Semin help 1612ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1613ab7c01fdSSerge Semin MIPS64 architecture. This is a intermediate MIPS architecture 1614ab7c01fdSSerge Semin release partly implementing release 6 features. Though there is no 1615ab7c01fdSSerge Semin any hardware known to be based on this release. 1616ab7c01fdSSerge Semin 16177fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1618674d10e2SMarkos Chandras bool "MIPS64 Release 6" 16197fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 16207fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 162118d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 16227fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 16237fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 16247fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1625afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 16267fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16272e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 162840a2df49SJames Hogan select HAVE_KVM 16297fd08ca5SLeonid Yegoshin help 16307fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16317fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16327fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16337fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16347fd08ca5SLeonid Yegoshin 1635281e3aeaSSerge Seminconfig CPU_P5600 1636281e3aeaSSerge Semin bool "MIPS Warrior P5600" 1637281e3aeaSSerge Semin depends on SYS_HAS_CPU_P5600 1638281e3aeaSSerge Semin select CPU_HAS_PREFETCH 1639281e3aeaSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1640281e3aeaSSerge Semin select CPU_SUPPORTS_HIGHMEM 1641281e3aeaSSerge Semin select CPU_SUPPORTS_MSA 1642281e3aeaSSerge Semin select CPU_SUPPORTS_UNCACHED_ACCELERATED 1643281e3aeaSSerge Semin select CPU_SUPPORTS_CPUFREQ 1644281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_VI 1645281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_EI 1646281e3aeaSSerge Semin select HAVE_KVM 1647281e3aeaSSerge Semin select MIPS_O32_FP64_SUPPORT 1648281e3aeaSSerge Semin help 1649281e3aeaSSerge Semin Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1650281e3aeaSSerge Semin It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1651281e3aeaSSerge Semin MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1652281e3aeaSSerge Semin level features like up to six P5600 calculation cores, CM2 with L2 1653281e3aeaSSerge Semin cache, IOCU/IOMMU (though might be unused depending on the system- 1654281e3aeaSSerge Semin specific IP core configuration), GIC, CPC, virtualisation module, 1655281e3aeaSSerge Semin eJTAG and PDtrace. 1656281e3aeaSSerge Semin 16571da177e4SLinus Torvaldsconfig CPU_R3000 16581da177e4SLinus Torvalds bool "R3000" 16597cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1660f7062ddbSRalf Baechle select CPU_HAS_WB 166154746829SPaul Burton select CPU_R3K_TLB 1662ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1663797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16641da177e4SLinus Torvalds help 16651da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16661da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16671da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16681da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16691da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16701da177e4SLinus Torvalds try to recompile with R3000. 16711da177e4SLinus Torvalds 16721da177e4SLinus Torvaldsconfig CPU_TX39XX 16731da177e4SLinus Torvalds bool "R39XX" 16747cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1675ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 167654746829SPaul Burton select CPU_R3K_TLB 16771da177e4SLinus Torvalds 16781da177e4SLinus Torvaldsconfig CPU_VR41XX 16791da177e4SLinus Torvalds bool "R41xx" 16807cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1681ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1682ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16831da177e4SLinus Torvalds help 16845e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16851da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16861da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16871da177e4SLinus Torvalds processor or vice versa. 16881da177e4SLinus Torvalds 16891da177e4SLinus Torvaldsconfig CPU_R4X00 16901da177e4SLinus Torvalds bool "R4x00" 16917cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1692ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1693ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1694970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16951da177e4SLinus Torvalds help 16961da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16971da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16981da177e4SLinus Torvalds 16991da177e4SLinus Torvaldsconfig CPU_TX49XX 17001da177e4SLinus Torvalds bool "R49XX" 17017cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1702de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1703ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1704ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1705970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17061da177e4SLinus Torvalds 17071da177e4SLinus Torvaldsconfig CPU_R5000 17081da177e4SLinus Torvalds bool "R5000" 17097cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 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 MIPS Technologies R5000-series processors other than the Nevada. 17151da177e4SLinus Torvalds 1716542c1020SShinya Kuribayashiconfig CPU_R5500 1717542c1020SShinya Kuribayashi bool "R5500" 1718542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1719542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1720542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 17219cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1722542c1020SShinya Kuribayashi help 1723542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1724542c1020SShinya Kuribayashi instruction set. 1725542c1020SShinya Kuribayashi 17261da177e4SLinus Torvaldsconfig CPU_NEVADA 17271da177e4SLinus Torvalds bool "RM52xx" 17287cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1729ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1730ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1731970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17321da177e4SLinus Torvalds help 17331da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 17341da177e4SLinus Torvalds 17351da177e4SLinus Torvaldsconfig CPU_R10000 17361da177e4SLinus Torvalds bool "R10000" 17377cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 17385e83d430SRalf Baechle select CPU_HAS_PREFETCH 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 17431da177e4SLinus Torvalds help 17441da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17451da177e4SLinus Torvalds 17461da177e4SLinus Torvaldsconfig CPU_RM7000 17471da177e4SLinus Torvalds bool "RM7000" 17487cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17495e83d430SRalf Baechle select CPU_HAS_PREFETCH 1750ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1751ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1752797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1753970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17541da177e4SLinus Torvalds 17551da177e4SLinus Torvaldsconfig CPU_SB1 17561da177e4SLinus Torvalds bool "SB1" 17577cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1758ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1759ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1760797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1761970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17620004a9dfSRalf Baechle select WEAK_ORDERING 17631da177e4SLinus Torvalds 1764a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1765a86c7f72SDavid Daney bool "Cavium Octeon processor" 17665e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1767a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1768a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1769a86c7f72SDavid Daney select WEAK_ORDERING 1770a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17719cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1772df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1773df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1774930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17750ae3abcdSJames Hogan select HAVE_KVM 1776a86c7f72SDavid Daney help 1777a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1778a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1779a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1780a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1781a86c7f72SDavid Daney 1782cd746249SJonas Gorskiconfig CPU_BMIPS 1783cd746249SJonas Gorski bool "Broadcom BMIPS" 1784cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1785cd746249SJonas Gorski select CPU_MIPS32 1786fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1787cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1788cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1789cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1790cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1791cd746249SJonas Gorski select DMA_NONCOHERENT 179267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1793cd746249SJonas Gorski select SWAP_IO_SPACE 1794cd746249SJonas Gorski select WEAK_ORDERING 1795c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 179669aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1797a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1798a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1799c1c0c461SKevin Cernekee help 1800fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1801c1c0c461SKevin Cernekee 18027f058e85SJayachandran Cconfig CPU_XLR 18037f058e85SJayachandran C bool "Netlogic XLR SoC" 18047f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 18057f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18067f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18077f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1808970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18097f058e85SJayachandran C select WEAK_ORDERING 18107f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18117f058e85SJayachandran C help 18127f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 18131c773ea4SJayachandran C 18141c773ea4SJayachandran Cconfig CPU_XLP 18151c773ea4SJayachandran C bool "Netlogic XLP SoC" 18161c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 18171c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18181c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18191c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 18201c773ea4SJayachandran C select WEAK_ORDERING 18211c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18221c773ea4SJayachandran C select CPU_HAS_PREFETCH 1823d6504846SJayachandran C select CPU_MIPSR2 1824ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 18252db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 18261c773ea4SJayachandran C help 18271c773ea4SJayachandran C Netlogic Microsystems XLP processors. 18281da177e4SLinus Torvaldsendchoice 18291da177e4SLinus Torvalds 1830a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1831a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1832a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1833281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1834281e3aeaSSerge Semin CPU_P5600 1835a6e18781SLeonid Yegoshin help 1836a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1837a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1838a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1839a6e18781SLeonid Yegoshin 1840a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1841a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1842a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1843a6e18781SLeonid Yegoshin select EVA 1844a6e18781SLeonid Yegoshin default y 1845a6e18781SLeonid Yegoshin help 1846a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1847a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1848a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1849a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1850a6e18781SLeonid Yegoshin 1851c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1852c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1853c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1854281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1855c5b36783SSteven J. Hill help 1856c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1857c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1858c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1859c5b36783SSteven J. Hill 1860c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1861c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1862c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1863c5b36783SSteven J. Hill depends on !EVA 1864c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1865c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1866c5b36783SSteven J. Hill select XPA 1867c5b36783SSteven J. Hill select HIGHMEM 1868d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1869c5b36783SSteven J. Hill default n 1870c5b36783SSteven J. Hill help 1871c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1872c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1873c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1874c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1875c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1876c5b36783SSteven J. Hill If unsure, say 'N' here. 1877c5b36783SSteven J. Hill 1878622844bfSWu Zhangjinif CPU_LOONGSON2F 1879622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1880622844bfSWu Zhangjin bool 1881622844bfSWu Zhangjin 1882622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1883622844bfSWu Zhangjin bool 1884622844bfSWu Zhangjin 1885622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1886622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1887622844bfSWu Zhangjin default y 1888622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1889622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1890622844bfSWu Zhangjin help 1891622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1892622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1893622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1894622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1895622844bfSWu Zhangjin 1896622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1897622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1898622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1899622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1900622844bfSWu Zhangjin systems. 1901622844bfSWu Zhangjin 1902622844bfSWu Zhangjin If unsure, please say Y. 1903622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1904622844bfSWu Zhangjin 19051b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 19061b93b3c3SWu Zhangjin bool 19071b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 19081b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 190931c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 19101b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1911fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 19124e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 19131b93b3c3SWu Zhangjin 19141b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 19151b93b3c3SWu Zhangjin bool 19161b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 19171b93b3c3SWu Zhangjin 1918dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1919dbb98314SAlban Bedel bool 1920dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1921dbb98314SAlban Bedel 1922268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 19233702bba5SWu Zhangjin bool 19243702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 19253702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 19263702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1927970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1928e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 19293702bba5SWu Zhangjin 1930b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1931ca585cf9SKelvin Cheung bool 1932ca585cf9SKelvin Cheung select CPU_MIPS32 19337e280f6bSJiaxun Yang select CPU_MIPSR2 1934ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1935ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1936ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1937f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1938ca585cf9SKelvin Cheung 1939fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 194004fa8bf7SJonas Gorski select SMP_UP if SMP 19411bbb6c1bSKevin Cernekee bool 1942cd746249SJonas Gorski 1943cd746249SJonas Gorskiconfig CPU_BMIPS4350 1944cd746249SJonas Gorski bool 1945cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1946cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1947cd746249SJonas Gorski 1948cd746249SJonas Gorskiconfig CPU_BMIPS4380 1949cd746249SJonas Gorski bool 1950bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1951cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1952cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1953b4720809SFlorian Fainelli select CPU_HAS_RIXI 1954cd746249SJonas Gorski 1955cd746249SJonas Gorskiconfig CPU_BMIPS5000 1956cd746249SJonas Gorski bool 1957cd746249SJonas Gorski select MIPS_CPU_SCACHE 1958bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1959cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1960cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1961b4720809SFlorian Fainelli select CPU_HAS_RIXI 19621bbb6c1bSKevin Cernekee 1963268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19640e476d91SHuacai Chen bool 19650e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1966b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19670e476d91SHuacai Chen 19683702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19692a21c730SFuxin Zhang bool 19702a21c730SFuxin Zhang 19716f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19726f7a251aSWu Zhangjin bool 197355045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 197455045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 19756f7a251aSWu Zhangjin 1976ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1977ca585cf9SKelvin Cheung bool 1978ca585cf9SKelvin Cheung 197912e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 198012e3280bSYang Ling bool 198112e3280bSYang Ling 19827cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19837cf8053bSRalf Baechle bool 19847cf8053bSRalf Baechle 19857cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19867cf8053bSRalf Baechle bool 19877cf8053bSRalf Baechle 1988a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1989a6e18781SLeonid Yegoshin bool 1990a6e18781SLeonid Yegoshin 1991c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1992c5b36783SSteven J. Hill bool 19939ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1994c5b36783SSteven J. Hill 19957fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19967fd08ca5SLeonid Yegoshin bool 19979ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19987fd08ca5SLeonid Yegoshin 19997cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 20007cf8053bSRalf Baechle bool 20017cf8053bSRalf Baechle 20027cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 20037cf8053bSRalf Baechle bool 20047cf8053bSRalf Baechle 20057fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 20067fd08ca5SLeonid Yegoshin bool 20079ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20087fd08ca5SLeonid Yegoshin 2009281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600 2010281e3aeaSSerge Semin bool 2011281e3aeaSSerge Semin select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 2012281e3aeaSSerge Semin 20137cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 20147cf8053bSRalf Baechle bool 20157cf8053bSRalf Baechle 20167cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 20177cf8053bSRalf Baechle bool 20187cf8053bSRalf Baechle 20197cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 20207cf8053bSRalf Baechle bool 20217cf8053bSRalf Baechle 20227cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 20237cf8053bSRalf Baechle bool 20247cf8053bSRalf Baechle 20257cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 20267cf8053bSRalf Baechle bool 20277cf8053bSRalf Baechle 20287cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 20297cf8053bSRalf Baechle bool 20307cf8053bSRalf Baechle 2031542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 2032542c1020SShinya Kuribayashi bool 2033542c1020SShinya Kuribayashi 20347cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 20357cf8053bSRalf Baechle bool 20367cf8053bSRalf Baechle 20377cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20387cf8053bSRalf Baechle bool 20399ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20407cf8053bSRalf Baechle 20417cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20427cf8053bSRalf Baechle bool 20437cf8053bSRalf Baechle 20447cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20457cf8053bSRalf Baechle bool 20467cf8053bSRalf Baechle 20475e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20485e683389SDavid Daney bool 20495e683389SDavid Daney 2050cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2051c1c0c461SKevin Cernekee bool 2052c1c0c461SKevin Cernekee 2053fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2054c1c0c461SKevin Cernekee bool 2055cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2056c1c0c461SKevin Cernekee 2057c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2058c1c0c461SKevin Cernekee bool 2059cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2060c1c0c461SKevin Cernekee 2061c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2062c1c0c461SKevin Cernekee bool 2063cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2064c1c0c461SKevin Cernekee 2065c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2066c1c0c461SKevin Cernekee bool 2067cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2068f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2069c1c0c461SKevin Cernekee 20707f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20717f058e85SJayachandran C bool 20727f058e85SJayachandran C 20731c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20741c773ea4SJayachandran C bool 20751c773ea4SJayachandran C 207617099b11SRalf Baechle# 207717099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 207817099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 207917099b11SRalf Baechle# 20800004a9dfSRalf Baechleconfig WEAK_ORDERING 20810004a9dfSRalf Baechle bool 208217099b11SRalf Baechle 208317099b11SRalf Baechle# 208417099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 208517099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 208617099b11SRalf Baechle# 208717099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 208817099b11SRalf Baechle bool 20895e83d430SRalf Baechleendmenu 20905e83d430SRalf Baechle 20915e83d430SRalf Baechle# 20925e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20935e83d430SRalf Baechle# 20945e83d430SRalf Baechleconfig CPU_MIPS32 20955e83d430SRalf Baechle bool 2096ab7c01fdSSerge Semin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 2097281e3aeaSSerge Semin CPU_MIPS32_R6 || CPU_P5600 20985e83d430SRalf Baechle 20995e83d430SRalf Baechleconfig CPU_MIPS64 21005e83d430SRalf Baechle bool 2101ab7c01fdSSerge Semin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 2102ab7c01fdSSerge Semin CPU_MIPS64_R6 21035e83d430SRalf Baechle 21045e83d430SRalf Baechle# 210557eeacedSPaul Burton# These indicate the revision of the architecture 21065e83d430SRalf Baechle# 21075e83d430SRalf Baechleconfig CPU_MIPSR1 21085e83d430SRalf Baechle bool 21095e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 21105e83d430SRalf Baechle 21115e83d430SRalf Baechleconfig CPU_MIPSR2 21125e83d430SRalf Baechle bool 2113a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 21148256b17eSFlorian Fainelli select CPU_HAS_RIXI 2115ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2116a7e07b1aSMarkos Chandras select MIPS_SPRAM 21175e83d430SRalf Baechle 2118ab7c01fdSSerge Seminconfig CPU_MIPSR5 2119ab7c01fdSSerge Semin bool 2120281e3aeaSSerge Semin default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 2121ab7c01fdSSerge Semin select CPU_HAS_RIXI 2122ab7c01fdSSerge Semin select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2123ab7c01fdSSerge Semin select MIPS_SPRAM 2124ab7c01fdSSerge Semin 21257fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 21267fd08ca5SLeonid Yegoshin bool 21277fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 21288256b17eSFlorian Fainelli select CPU_HAS_RIXI 2129ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 213087321fddSPaul Burton select HAVE_ARCH_BITREVERSE 21312db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 21324a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2133a7e07b1aSMarkos Chandras select MIPS_SPRAM 21345e83d430SRalf Baechle 213557eeacedSPaul Burtonconfig TARGET_ISA_REV 213657eeacedSPaul Burton int 213757eeacedSPaul Burton default 1 if CPU_MIPSR1 213857eeacedSPaul Burton default 2 if CPU_MIPSR2 2139ab7c01fdSSerge Semin default 5 if CPU_MIPSR5 214057eeacedSPaul Burton default 6 if CPU_MIPSR6 214157eeacedSPaul Burton default 0 214257eeacedSPaul Burton help 214357eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 214457eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 214557eeacedSPaul Burton 2146a6e18781SLeonid Yegoshinconfig EVA 2147a6e18781SLeonid Yegoshin bool 2148a6e18781SLeonid Yegoshin 2149c5b36783SSteven J. Hillconfig XPA 2150c5b36783SSteven J. Hill bool 2151c5b36783SSteven J. Hill 21525e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21535e83d430SRalf Baechle bool 21545e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21555e83d430SRalf Baechle bool 21565e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21575e83d430SRalf Baechle bool 21585e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21595e83d430SRalf Baechle bool 216055045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 216155045ff5SWu Zhangjin bool 216255045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 216355045ff5SWu Zhangjin bool 21649cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21659cffd154SDavid Daney bool 2166171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 216782622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 216882622284SDavid Daney bool 2169cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21705e83d430SRalf Baechle 21718192c9eaSDavid Daney# 21728192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21738192c9eaSDavid Daney# 21748192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21758192c9eaSDavid Daney bool 2176679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21778192c9eaSDavid Daney 21785e83d430SRalf Baechlemenu "Kernel type" 21795e83d430SRalf Baechle 21805e83d430SRalf Baechlechoice 21815e83d430SRalf Baechle prompt "Kernel code model" 21825e83d430SRalf Baechle help 21835e83d430SRalf Baechle You should only select this option if you have a workload that 21845e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21855e83d430SRalf Baechle large memory. You will only be presented a single option in this 21865e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21875e83d430SRalf Baechle 21885e83d430SRalf Baechleconfig 32BIT 21895e83d430SRalf Baechle bool "32-bit kernel" 21905e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21915e83d430SRalf Baechle select TRAD_SIGNALS 21925e83d430SRalf Baechle help 21935e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2194f17c4ca3SRalf Baechle 21955e83d430SRalf Baechleconfig 64BIT 21965e83d430SRalf Baechle bool "64-bit kernel" 21975e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21985e83d430SRalf Baechle help 21995e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 22005e83d430SRalf Baechle 22015e83d430SRalf Baechleendchoice 22025e83d430SRalf Baechle 22032235a54dSSanjay Lalconfig KVM_GUEST 22042235a54dSSanjay Lal bool "KVM Guest Kernel" 2205f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 22062235a54dSSanjay Lal help 2207caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2208caa1faa7SJames Hogan mode. 22092235a54dSSanjay Lal 2210eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2211eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 22122235a54dSSanjay Lal depends on KVM_GUEST 2213eda3d33cSJames Hogan default 100 22142235a54dSSanjay Lal help 2215eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2216eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2217eda3d33cSJames Hogan timer frequency is specified directly. 22182235a54dSSanjay Lal 22191e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 22201e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 22211e321fa9SLeonid Yegoshin depends on 64BIT 22221e321fa9SLeonid Yegoshin help 22233377e227SAlex Belits Support a maximum at least 48 bits of application virtual 22243377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 22253377e227SAlex Belits For page sizes 16k and above, this option results in a small 22263377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 22273377e227SAlex Belits level of page tables is added which imposes both a memory 22283377e227SAlex Belits overhead as well as slower TLB fault handling. 22293377e227SAlex Belits 22301e321fa9SLeonid Yegoshin If unsure, say N. 22311e321fa9SLeonid Yegoshin 22321da177e4SLinus Torvaldschoice 22331da177e4SLinus Torvalds prompt "Kernel page size" 22341da177e4SLinus Torvalds default PAGE_SIZE_4KB 22351da177e4SLinus Torvalds 22361da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 22371da177e4SLinus Torvalds bool "4kB" 2238268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 22391da177e4SLinus Torvalds help 22401da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 22411da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 22421da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 22431da177e4SLinus Torvalds recommended for low memory systems. 22441da177e4SLinus Torvalds 22451da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22461da177e4SLinus Torvalds bool "8kB" 2247c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22481e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22491da177e4SLinus Torvalds help 22501da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22511da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2252c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2253c2aeaaeaSPaul Burton distribution to support this. 22541da177e4SLinus Torvalds 22551da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22561da177e4SLinus Torvalds bool "16kB" 2257714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22581da177e4SLinus Torvalds help 22591da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22601da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2261714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2262714bfad6SRalf Baechle Linux distribution to support this. 22631da177e4SLinus Torvalds 2264c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2265c52399beSRalf Baechle bool "32kB" 2266c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22671e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2268c52399beSRalf Baechle help 2269c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2270c52399beSRalf Baechle the price of higher memory consumption. This option is available 2271c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2272c52399beSRalf Baechle distribution to support this. 2273c52399beSRalf Baechle 22741da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22751da177e4SLinus Torvalds bool "64kB" 22763b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22771da177e4SLinus Torvalds help 22781da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22791da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22801da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2281714bfad6SRalf Baechle writing this option is still high experimental. 22821da177e4SLinus Torvalds 22831da177e4SLinus Torvaldsendchoice 22841da177e4SLinus Torvalds 2285c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2286c9bace7cSDavid Daney int "Maximum zone order" 2287e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2288e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2289e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2290e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2291e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2292e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2293c9bace7cSDavid Daney range 11 64 2294c9bace7cSDavid Daney default "11" 2295c9bace7cSDavid Daney help 2296c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2297c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2298c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2299c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2300c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2301c9bace7cSDavid Daney increase this value. 2302c9bace7cSDavid Daney 2303c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2304c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2305c9bace7cSDavid Daney 2306c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2307c9bace7cSDavid Daney when choosing a value for this option. 2308c9bace7cSDavid Daney 23091da177e4SLinus Torvaldsconfig BOARD_SCACHE 23101da177e4SLinus Torvalds bool 23111da177e4SLinus Torvalds 23121da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 23131da177e4SLinus Torvalds bool 23141da177e4SLinus Torvalds select BOARD_SCACHE 23151da177e4SLinus Torvalds 23169318c51aSChris Dearman# 23179318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 23189318c51aSChris Dearman# 23199318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 23209318c51aSChris Dearman bool 23219318c51aSChris Dearman select BOARD_SCACHE 23229318c51aSChris Dearman 23231da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 23241da177e4SLinus Torvalds bool 23251da177e4SLinus Torvalds select BOARD_SCACHE 23261da177e4SLinus Torvalds 23271da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 23281da177e4SLinus Torvalds bool 23291da177e4SLinus Torvalds select BOARD_SCACHE 23301da177e4SLinus Torvalds 23311da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 23321da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 23331da177e4SLinus Torvalds depends on CPU_SB1 23341da177e4SLinus Torvalds help 23351da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 23361da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 23371da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 23381da177e4SLinus Torvalds 23391da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2340c8094b53SRalf Baechle bool 23411da177e4SLinus Torvalds 23423165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 23433165c846SFlorian Fainelli bool 2344c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 23453165c846SFlorian Fainelli 2346c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2347183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2348183b40f9SPaul Burton default y 2349183b40f9SPaul Burton help 2350183b40f9SPaul Burton Select y to include support for floating point in the kernel 2351183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2352183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2353183b40f9SPaul Burton userland program attempting to use floating point instructions will 2354183b40f9SPaul Burton receive a SIGILL. 2355183b40f9SPaul Burton 2356183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2357183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2358183b40f9SPaul Burton 2359183b40f9SPaul Burton If unsure, say y. 2360c92e47e5SPaul Burton 236197f7dcbfSPaul Burtonconfig CPU_R2300_FPU 236297f7dcbfSPaul Burton bool 2363c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 236497f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 236597f7dcbfSPaul Burton 236654746829SPaul Burtonconfig CPU_R3K_TLB 236754746829SPaul Burton bool 236854746829SPaul Burton 236991405eb6SFlorian Fainelliconfig CPU_R4K_FPU 237091405eb6SFlorian Fainelli bool 2371c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 237297f7dcbfSPaul Burton default y if !CPU_R2300_FPU 237391405eb6SFlorian Fainelli 237462cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 237562cedc4fSFlorian Fainelli bool 237654746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 237762cedc4fSFlorian Fainelli 237859d6ab86SRalf Baechleconfig MIPS_MT_SMP 2379a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23805cbf9688SPaul Burton default y 2381527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 238259d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2383d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2384c080faa5SSteven J. Hill select SYNC_R4K 238559d6ab86SRalf Baechle select MIPS_MT 238659d6ab86SRalf Baechle select SMP 238787353d8aSRalf Baechle select SMP_UP 2388c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2389c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2390399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 239159d6ab86SRalf Baechle help 2392c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2393c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2394c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2395c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2396c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 239759d6ab86SRalf Baechle 2398f41ae0b2SRalf Baechleconfig MIPS_MT 2399f41ae0b2SRalf Baechle bool 2400f41ae0b2SRalf Baechle 24010ab7aefcSRalf Baechleconfig SCHED_SMT 24020ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 24030ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 24040ab7aefcSRalf Baechle default n 24050ab7aefcSRalf Baechle help 24060ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 24070ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 24080ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 24090ab7aefcSRalf Baechle 24100ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 24110ab7aefcSRalf Baechle bool 24120ab7aefcSRalf Baechle 2413f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2414f41ae0b2SRalf Baechle bool 2415f41ae0b2SRalf Baechle 2416f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2417f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2418f088fc84SRalf Baechle default y 2419b633648cSRalf Baechle depends on MIPS_MT_SMP 242007cc0c9eSRalf Baechle 2421b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2422b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 24239eaa9a82SPaul Burton depends on CPU_MIPSR6 2424c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2425b0a668fbSLeonid Yegoshin default y 2426b0a668fbSLeonid Yegoshin help 2427b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2428b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 242907edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2430b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2431b0a668fbSLeonid Yegoshin final kernel image. 2432b0a668fbSLeonid Yegoshin 2433f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2434f35764e7SJames Hogan bool 2435f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2436f35764e7SJames Hogan help 2437f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2438f35764e7SJames Hogan physical_memsize. 2439f35764e7SJames Hogan 244007cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 244107cc0c9eSRalf Baechle bool "VPE loader support." 2442f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 244307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 244407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 244507cc0c9eSRalf Baechle select MIPS_MT 244607cc0c9eSRalf Baechle help 244707cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 244807cc0c9eSRalf Baechle onto another VPE and running it. 2449f088fc84SRalf Baechle 245017a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 245117a1d523SDeng-Cheng Zhu bool 245217a1d523SDeng-Cheng Zhu default "y" 245317a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 245417a1d523SDeng-Cheng Zhu 24551a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24561a2a6d7eSDeng-Cheng Zhu bool 24571a2a6d7eSDeng-Cheng Zhu default "y" 24581a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24591a2a6d7eSDeng-Cheng Zhu 2460e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2461e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2462e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2463e01402b1SRalf Baechle default y 2464e01402b1SRalf Baechle help 2465e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2466e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2467e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2468e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2469e01402b1SRalf Baechle 2470e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2471e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2472e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2473e01402b1SRalf Baechle 2474da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2475da615cf6SDeng-Cheng Zhu bool 2476da615cf6SDeng-Cheng Zhu default "y" 2477da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2478da615cf6SDeng-Cheng Zhu 24792c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24802c973ef0SDeng-Cheng Zhu bool 24812c973ef0SDeng-Cheng Zhu default "y" 24822c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24832c973ef0SDeng-Cheng Zhu 24844a16ff4cSRalf Baechleconfig MIPS_CMP 24855cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24865676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2487b10b43baSMarkos Chandras select SMP 2488eb9b5141STim Anderson select SYNC_R4K 2489b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24904a16ff4cSRalf Baechle select WEAK_ORDERING 24914a16ff4cSRalf Baechle default n 24924a16ff4cSRalf Baechle help 2493044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2494044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2495044505c7SPaul Burton its ability to start secondary CPUs. 24964a16ff4cSRalf Baechle 24975cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24985cac93b3SPaul Burton instead of this. 24995cac93b3SPaul Burton 25000ee958e1SPaul Burtonconfig MIPS_CPS 25010ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 25025a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 25030ee958e1SPaul Burton select MIPS_CM 25041d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 25050ee958e1SPaul Burton select SMP 25060ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 25071d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2508c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 25090ee958e1SPaul Burton select SYS_SUPPORTS_SMP 25100ee958e1SPaul Burton select WEAK_ORDERING 25110ee958e1SPaul Burton help 25120ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 25130ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 25140ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 25150ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 25160ee958e1SPaul Burton support is unavailable. 25170ee958e1SPaul Burton 25183179d37eSPaul Burtonconfig MIPS_CPS_PM 251939a59593SMarkos Chandras depends on MIPS_CPS 25203179d37eSPaul Burton bool 25213179d37eSPaul Burton 25229f98f3ddSPaul Burtonconfig MIPS_CM 25239f98f3ddSPaul Burton bool 25243c9b4166SPaul Burton select MIPS_CPC 25259f98f3ddSPaul Burton 25269c38cf44SPaul Burtonconfig MIPS_CPC 25279c38cf44SPaul Burton bool 25282600990eSRalf Baechle 25291da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 25301da177e4SLinus Torvalds bool 25311da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 25321da177e4SLinus Torvalds default y 25331da177e4SLinus Torvalds 25341da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 25351da177e4SLinus Torvalds bool 25361da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 25371da177e4SLinus Torvalds default y 25381da177e4SLinus Torvalds 25399e2b5372SMarkos Chandraschoice 25409e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 25419e2b5372SMarkos Chandras 25429e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 25439e2b5372SMarkos Chandras bool "None" 25449e2b5372SMarkos Chandras help 25459e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25469e2b5372SMarkos Chandras 25479693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25489693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25499e2b5372SMarkos Chandras bool "SmartMIPS" 25509693a853SFranck Bui-Huu help 25519693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25529693a853SFranck Bui-Huu increased security at both hardware and software level for 25539693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25549693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25559693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25569693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25579693a853SFranck Bui-Huu here. 25589693a853SFranck Bui-Huu 2559bce86083SSteven J. Hillconfig CPU_MICROMIPS 25607fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25619e2b5372SMarkos Chandras bool "microMIPS" 2562bce86083SSteven J. Hill help 2563bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2564bce86083SSteven J. Hill microMIPS ISA 2565bce86083SSteven J. Hill 25669e2b5372SMarkos Chandrasendchoice 25679e2b5372SMarkos Chandras 2568a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25690ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2570a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2571c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25722a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2573a5e9a69eSPaul Burton help 2574a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2575a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25761db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25771db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25781db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25791db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25801db1af84SPaul Burton the size & complexity of your kernel. 2581a5e9a69eSPaul Burton 2582a5e9a69eSPaul Burton If unsure, say Y. 2583a5e9a69eSPaul Burton 25841da177e4SLinus Torvaldsconfig CPU_HAS_WB 2585f7062ddbSRalf Baechle bool 2586e01402b1SRalf Baechle 2587df0ac8a4SKevin Cernekeeconfig XKS01 2588df0ac8a4SKevin Cernekee bool 2589df0ac8a4SKevin Cernekee 2590ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI 2591ba9196d2SJiaxun Yang depends on !CPU_DIEI_BROKEN 2592ba9196d2SJiaxun Yang bool 2593ba9196d2SJiaxun Yang 2594ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN 2595ba9196d2SJiaxun Yang bool 2596ba9196d2SJiaxun Yang 25978256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25988256b17eSFlorian Fainelli bool 25998256b17eSFlorian Fainelli 260018d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR 2601932afdeeSYasha Cherikovsky bool 2602932afdeeSYasha Cherikovsky help 260318d84e2eSAlexander Lobakin CPU lacks support for unaligned load and store instructions: 2604932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 260518d84e2eSAlexander Lobakin LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 260618d84e2eSAlexander Lobakin systems). 2607932afdeeSYasha Cherikovsky 2608f41ae0b2SRalf Baechle# 2609f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2610f41ae0b2SRalf Baechle# 2611e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2612f41ae0b2SRalf Baechle bool 2613e01402b1SRalf Baechle 2614f41ae0b2SRalf Baechle# 2615f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2616f41ae0b2SRalf Baechle# 2617e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2618f41ae0b2SRalf Baechle bool 2619e01402b1SRalf Baechle 26201da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 26211da177e4SLinus Torvalds bool 26221da177e4SLinus Torvalds depends on !CPU_R3000 26231da177e4SLinus Torvalds default y 26241da177e4SLinus Torvalds 26251da177e4SLinus Torvalds# 262620d60d99SMaciej W. Rozycki# CPU non-features 262720d60d99SMaciej W. Rozycki# 262820d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 262920d60d99SMaciej W. Rozycki bool 263020d60d99SMaciej W. Rozycki 263120d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 263220d60d99SMaciej W. Rozycki bool 263320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 263420d60d99SMaciej W. Rozycki 263520d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 263620d60d99SMaciej W. Rozycki bool 263720d60d99SMaciej W. Rozycki 2638071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2639071d2f0bSPaul Burton bool 2640071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2641071d2f0bSPaul Burton 26424edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 26434edf00a4SPaul Burton int 26444edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26454edf00a4SPaul Burton default 0 26464edf00a4SPaul Burton 26474edf00a4SPaul Burtonconfig MIPS_ASID_BITS 26484edf00a4SPaul Burton int 26492db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 26504edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26514edf00a4SPaul Burton default 8 26524edf00a4SPaul Burton 26532db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26542db003a5SPaul Burton bool 26552db003a5SPaul Burton 26564a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26574a5dc51eSMarcin Nowakowski bool 26584a5dc51eSMarcin Nowakowski 265920d60d99SMaciej W. Rozycki# 26601da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26611da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26621da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26631da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26641da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26651da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26661da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26671da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2668797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2669797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2670797798c1SRalf Baechle# support. 26711da177e4SLinus Torvalds# 26721da177e4SLinus Torvaldsconfig HIGHMEM 26731da177e4SLinus Torvalds bool "High Memory Support" 2674a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2675797798c1SRalf Baechle 2676797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2677797798c1SRalf Baechle bool 2678797798c1SRalf Baechle 2679797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2680797798c1SRalf Baechle bool 26811da177e4SLinus Torvalds 26829693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26839693a853SFranck Bui-Huu bool 26849693a853SFranck Bui-Huu 2685a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2686a6a4834cSSteven J. Hill bool 2687a6a4834cSSteven J. Hill 2688377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2689377cb1b6SRalf Baechle bool 2690377cb1b6SRalf Baechle help 2691377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2692377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2693377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2694377cb1b6SRalf Baechle 2695a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2696a5e9a69eSPaul Burton bool 2697a5e9a69eSPaul Burton 2698b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2699b4819b59SYoichi Yuasa def_bool y 2700268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2701b4819b59SYoichi Yuasa 2702b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2703b1c6cd42SAtsushi Nemoto bool 2704397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 270531473747SAtsushi Nemoto 2706d8cb4e11SRalf Baechleconfig NUMA 2707d8cb4e11SRalf Baechle bool "NUMA Support" 2708d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2709d8cb4e11SRalf Baechle help 2710d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2711d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2712d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2713172a37e9SRandy Dunlap leave it disabled; on single node systems leave this option 2714d8cb4e11SRalf Baechle disabled. 2715d8cb4e11SRalf Baechle 2716d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2717d8cb4e11SRalf Baechle bool 2718d8cb4e11SRalf Baechle 2719f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA 2720f3c560a6SThomas Bogendoerfer def_bool y 2721f3c560a6SThomas Bogendoerfer depends on NUMA 2722f3c560a6SThomas Bogendoerfer 2723f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK 2724f3c560a6SThomas Bogendoerfer def_bool y 2725f3c560a6SThomas Bogendoerfer depends on NUMA 2726f3c560a6SThomas Bogendoerfer 27278c530ea3SMatt Redfearnconfig RELOCATABLE 27288c530ea3SMatt Redfearn bool "Relocatable kernel" 2729ab7c01fdSSerge Semin depends on SYS_SUPPORTS_RELOCATABLE 2730ab7c01fdSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2731ab7c01fdSSerge Semin CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2732ab7c01fdSSerge Semin CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2733281e3aeaSSerge Semin CPU_P5600 || CAVIUM_OCTEON_SOC 27348c530ea3SMatt Redfearn help 27358c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 27368c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 27378c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 27388c530ea3SMatt Redfearn but are discarded at runtime 27398c530ea3SMatt Redfearn 2740069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2741069fd766SMatt Redfearn hex "Relocation table size" 2742069fd766SMatt Redfearn depends on RELOCATABLE 2743069fd766SMatt Redfearn range 0x0 0x01000000 2744069fd766SMatt Redfearn default "0x00100000" 2745a7f7f624SMasahiro Yamada help 2746069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2747069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2748069fd766SMatt Redfearn 2749069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2750069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2751069fd766SMatt Redfearn 2752069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2753069fd766SMatt Redfearn 2754069fd766SMatt Redfearn If unsure, leave at the default value. 2755069fd766SMatt Redfearn 2756405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2757405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2758405bc8fdSMatt Redfearn depends on RELOCATABLE 2759a7f7f624SMasahiro Yamada help 2760405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2761405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2762405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2763405bc8fdSMatt Redfearn of kernel internals. 2764405bc8fdSMatt Redfearn 2765405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2766405bc8fdSMatt Redfearn 2767405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2768405bc8fdSMatt Redfearn 2769405bc8fdSMatt Redfearn If unsure, say N. 2770405bc8fdSMatt Redfearn 2771405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2772405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2773405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2774405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2775405bc8fdSMatt Redfearn range 0x0 0x08000000 2776405bc8fdSMatt Redfearn default "0x01000000" 2777a7f7f624SMasahiro Yamada help 2778405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2779405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2780405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2781405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2782405bc8fdSMatt Redfearn 2783405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2784405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2785405bc8fdSMatt Redfearn 2786c80d79d7SYasunori Gotoconfig NODES_SHIFT 2787c80d79d7SYasunori Goto int 2788c80d79d7SYasunori Goto default "6" 2789c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2790c80d79d7SYasunori Goto 279114f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 279214f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2793268a2d60SJiaxun Yang depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 279414f70012SDeng-Cheng Zhu default y 279514f70012SDeng-Cheng Zhu help 279614f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 279714f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 279814f70012SDeng-Cheng Zhu 2799be8fa1cbSTiezhu Yangconfig DMI 2800be8fa1cbSTiezhu Yang bool "Enable DMI scanning" 2801be8fa1cbSTiezhu Yang depends on MACH_LOONGSON64 2802be8fa1cbSTiezhu Yang select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2803be8fa1cbSTiezhu Yang default y 2804be8fa1cbSTiezhu Yang help 2805be8fa1cbSTiezhu Yang Enabled scanning of DMI to identify machine quirks. Say Y 2806be8fa1cbSTiezhu Yang here unless you have verified that your setup is not 2807be8fa1cbSTiezhu Yang affected by entries in the DMI blacklist. Required by PNP 2808be8fa1cbSTiezhu Yang BIOS code. 2809be8fa1cbSTiezhu Yang 28101da177e4SLinus Torvaldsconfig SMP 28111da177e4SLinus Torvalds bool "Multi-Processing support" 2812e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2813e73ea273SRalf Baechle help 28141da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 28154a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 28164a474157SRobert Graffham than one CPU, say Y. 28171da177e4SLinus Torvalds 28184a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 28191da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 28201da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 28214a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 28221da177e4SLinus Torvalds will run faster if you say N here. 28231da177e4SLinus Torvalds 28241da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 28251da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 28261da177e4SLinus Torvalds 282703502faaSAdrian Bunk See also the SMP-HOWTO available at 2828*ef054ad3SAlexander A. Klimov <https://www.tldp.org/docs.html#howto>. 28291da177e4SLinus Torvalds 28301da177e4SLinus Torvalds If you don't know what to do here, say N. 28311da177e4SLinus Torvalds 28327840d618SMatt Redfearnconfig HOTPLUG_CPU 28337840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 28347840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 28357840d618SMatt Redfearn help 28367840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 28377840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 28387840d618SMatt Redfearn (Note: power management support will enable this option 28397840d618SMatt Redfearn automatically on SMP systems. ) 28407840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 28417840d618SMatt Redfearn 284287353d8aSRalf Baechleconfig SMP_UP 284387353d8aSRalf Baechle bool 284487353d8aSRalf Baechle 28454a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 28464a16ff4cSRalf Baechle bool 28474a16ff4cSRalf Baechle 28480ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 28490ee958e1SPaul Burton bool 28500ee958e1SPaul Burton 2851e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2852e73ea273SRalf Baechle bool 2853e73ea273SRalf Baechle 2854130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2855130e2fb7SRalf Baechle bool 2856130e2fb7SRalf Baechle 2857130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2858130e2fb7SRalf Baechle bool 2859130e2fb7SRalf Baechle 2860130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2861130e2fb7SRalf Baechle bool 2862130e2fb7SRalf Baechle 2863130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2864130e2fb7SRalf Baechle bool 2865130e2fb7SRalf Baechle 2866130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2867130e2fb7SRalf Baechle bool 2868130e2fb7SRalf Baechle 28691da177e4SLinus Torvaldsconfig NR_CPUS 2870a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2871a91796a9SJayachandran C range 2 256 28721da177e4SLinus Torvalds depends on SMP 2873130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2874130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2875130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2876130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2877130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28781da177e4SLinus Torvalds help 28791da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28801da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28811da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 288272ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 288372ede9b1SAtsushi Nemoto and 2 for all others. 28841da177e4SLinus Torvalds 28851da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 288672ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 288772ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 288872ede9b1SAtsushi Nemoto power of two. 28891da177e4SLinus Torvalds 2890399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2891399aaa25SAl Cooper bool 2892399aaa25SAl Cooper 28937820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28947820b84bSDavid Daney bool 28957820b84bSDavid Daney 28967820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28977820b84bSDavid Daney int 28987820b84bSDavid Daney depends on SMP 28997820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 29007820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 29017820b84bSDavid Daney 29021723b4a3SAtsushi Nemoto# 29031723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 29041723b4a3SAtsushi Nemoto# 29051723b4a3SAtsushi Nemoto 29061723b4a3SAtsushi Nemotochoice 29071723b4a3SAtsushi Nemoto prompt "Timer frequency" 29081723b4a3SAtsushi Nemoto default HZ_250 29091723b4a3SAtsushi Nemoto help 29101723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 29111723b4a3SAtsushi Nemoto 291267596573SPaul Burton config HZ_24 291367596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 291467596573SPaul Burton 29151723b4a3SAtsushi Nemoto config HZ_48 29160f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 29171723b4a3SAtsushi Nemoto 29181723b4a3SAtsushi Nemoto config HZ_100 29191723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 29201723b4a3SAtsushi Nemoto 29211723b4a3SAtsushi Nemoto config HZ_128 29221723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 29231723b4a3SAtsushi Nemoto 29241723b4a3SAtsushi Nemoto config HZ_250 29251723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 29261723b4a3SAtsushi Nemoto 29271723b4a3SAtsushi Nemoto config HZ_256 29281723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 29291723b4a3SAtsushi Nemoto 29301723b4a3SAtsushi Nemoto config HZ_1000 29311723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 29321723b4a3SAtsushi Nemoto 29331723b4a3SAtsushi Nemoto config HZ_1024 29341723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 29351723b4a3SAtsushi Nemoto 29361723b4a3SAtsushi Nemotoendchoice 29371723b4a3SAtsushi Nemoto 293867596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 293967596573SPaul Burton bool 294067596573SPaul Burton 29411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 29421723b4a3SAtsushi Nemoto bool 29431723b4a3SAtsushi Nemoto 29441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 29451723b4a3SAtsushi Nemoto bool 29461723b4a3SAtsushi Nemoto 29471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 29481723b4a3SAtsushi Nemoto bool 29491723b4a3SAtsushi Nemoto 29501723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29511723b4a3SAtsushi Nemoto bool 29521723b4a3SAtsushi Nemoto 29531723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29541723b4a3SAtsushi Nemoto bool 29551723b4a3SAtsushi Nemoto 29561723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29571723b4a3SAtsushi Nemoto bool 29581723b4a3SAtsushi Nemoto 29591723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29601723b4a3SAtsushi Nemoto bool 29611723b4a3SAtsushi Nemoto 29621723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29631723b4a3SAtsushi Nemoto bool 296467596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 296567596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 296667596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 296767596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 296867596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 296967596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 297067596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29711723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29721723b4a3SAtsushi Nemoto 29731723b4a3SAtsushi Nemotoconfig HZ 29741723b4a3SAtsushi Nemoto int 297567596573SPaul Burton default 24 if HZ_24 29761723b4a3SAtsushi Nemoto default 48 if HZ_48 29771723b4a3SAtsushi Nemoto default 100 if HZ_100 29781723b4a3SAtsushi Nemoto default 128 if HZ_128 29791723b4a3SAtsushi Nemoto default 250 if HZ_250 29801723b4a3SAtsushi Nemoto default 256 if HZ_256 29811723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29821723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29831723b4a3SAtsushi Nemoto 298496685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 298596685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 298696685b17SDeng-Cheng Zhu 2987ea6e942bSAtsushi Nemotoconfig KEXEC 29887d60717eSKees Cook bool "Kexec system call" 29892965faa5SDave Young select KEXEC_CORE 2990ea6e942bSAtsushi Nemoto help 2991ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2992ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29933dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2994ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2995ea6e942bSAtsushi Nemoto 299601dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2997ea6e942bSAtsushi Nemoto 2998ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2999ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 3000bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 3001bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 3002bf220695SGeert Uytterhoeven made. 3003ea6e942bSAtsushi Nemoto 30047aa1c8f4SRalf Baechleconfig CRASH_DUMP 30057aa1c8f4SRalf Baechle bool "Kernel crash dumps" 30067aa1c8f4SRalf Baechle help 30077aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 30087aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 30097aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 30107aa1c8f4SRalf Baechle a specially reserved region and then later executed after 30117aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 30127aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 30137aa1c8f4SRalf Baechle PHYSICAL_START. 30147aa1c8f4SRalf Baechle 30157aa1c8f4SRalf Baechleconfig PHYSICAL_START 30167aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 30178bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 30187aa1c8f4SRalf Baechle depends on CRASH_DUMP 30197aa1c8f4SRalf Baechle help 30207aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 30217aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 30227aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 30237aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 30247aa1c8f4SRalf Baechle passed to the panic-ed kernel). 30257aa1c8f4SRalf Baechle 3026ea6e942bSAtsushi Nemotoconfig SECCOMP 3027ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 3028293c5bd1SRalf Baechle depends on PROC_FS 3029ea6e942bSAtsushi Nemoto default y 3030ea6e942bSAtsushi Nemoto help 3031ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 3032ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 3033ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 3034ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 3035ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 3036ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 3037ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 3038ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 3039ea6e942bSAtsushi Nemoto defined by each seccomp mode. 3040ea6e942bSAtsushi Nemoto 3041ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 3042ea6e942bSAtsushi Nemoto 3043597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 3044b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 3045597ce172SPaul Burton depends on 32BIT || MIPS32_O32 3046597ce172SPaul Burton help 3047597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 3048597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 3049597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3050597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 3051597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 3052597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3053597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3054597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3055597ce172SPaul Burton saying N here. 3056597ce172SPaul Burton 305706e2e882SPaul Burton Although binutils currently supports use of this flag the details 305806e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 305906e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 306006e2e882SPaul Burton behaviour before the details have been finalised, this option should 306106e2e882SPaul Burton be considered experimental and only enabled by those working upon 306206e2e882SPaul Burton said details. 306306e2e882SPaul Burton 306406e2e882SPaul Burton If unsure, say N. 3065597ce172SPaul Burton 3066f2ffa5abSDezhong Diaoconfig USE_OF 30670b3e06fdSJonas Gorski bool 3068f2ffa5abSDezhong Diao select OF 3069e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3070abd2363fSGrant Likely select IRQ_DOMAIN 3071f2ffa5abSDezhong Diao 30722fe8ea39SDengcheng Zhuconfig UHI_BOOT 30732fe8ea39SDengcheng Zhu bool 30742fe8ea39SDengcheng Zhu 30757fafb068SAndrew Brestickerconfig BUILTIN_DTB 30767fafb068SAndrew Bresticker bool 30777fafb068SAndrew Bresticker 30781da8f179SJonas Gorskichoice 30795b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30801da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30811da8f179SJonas Gorski 30821da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30831da8f179SJonas Gorski bool "None" 30841da8f179SJonas Gorski help 30851da8f179SJonas Gorski Do not enable appended dtb support. 30861da8f179SJonas Gorski 308787db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 308887db537dSAaro Koskinen bool "vmlinux" 308987db537dSAaro Koskinen help 309087db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 309187db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 309287db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 309387db537dSAaro Koskinen objcopy: 309487db537dSAaro Koskinen 309587db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 309687db537dSAaro Koskinen 309787db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 309887db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 309987db537dSAaro Koskinen the documented boot protocol using a device tree. 310087db537dSAaro Koskinen 31011da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3102b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 31031da8f179SJonas Gorski help 31041da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3105b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 31061da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 31071da8f179SJonas Gorski 31081da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 31091da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 31101da8f179SJonas Gorski the documented boot protocol using a device tree. 31111da8f179SJonas Gorski 31121da8f179SJonas Gorski Beware that there is very little in terms of protection against 31131da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 31141da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 31151da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 31161da8f179SJonas Gorski if you don't intend to always append a DTB. 31171da8f179SJonas Gorskiendchoice 31181da8f179SJonas Gorski 31192024972eSJonas Gorskichoice 31202024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 31212bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 312287fcfa7bSJiaxun Yang !MACH_LOONGSON64 && !MIPS_MALTA && \ 31232bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 31242024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 31252024972eSJonas Gorski 31262024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 31272024972eSJonas Gorski depends on USE_OF 31282024972eSJonas Gorski bool "Dtb kernel arguments if available" 31292024972eSJonas Gorski 31302024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 31312024972eSJonas Gorski depends on USE_OF 31322024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 31332024972eSJonas Gorski 31342024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 31352024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3136ed47e153SRabin Vincent 3137ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3138ed47e153SRabin Vincent depends on CMDLINE_BOOL 3139ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 31402024972eSJonas Gorskiendchoice 31412024972eSJonas Gorski 31425e83d430SRalf Baechleendmenu 31435e83d430SRalf Baechle 31441df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 31451df0f0ffSAtsushi Nemoto bool 31461df0f0ffSAtsushi Nemoto default y 31471df0f0ffSAtsushi Nemoto 31481df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 31491df0f0ffSAtsushi Nemoto bool 31501df0f0ffSAtsushi Nemoto default y 31511df0f0ffSAtsushi Nemoto 3152a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3153a728ab52SKirill A. Shutemov int 31543377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3155a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3156a728ab52SKirill A. Shutemov default 2 3157a728ab52SKirill A. Shutemov 31586c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 31596c359eb1SPaul Burton bool 31606c359eb1SPaul Burton 31611da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31621da177e4SLinus Torvalds 3163c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31642eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3165c5611df9SPaul Burton bool 3166c5611df9SPaul Burton 3167c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3168c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3169c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31702eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31711da177e4SLinus Torvalds 31721da177e4SLinus Torvalds# 31731da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31741da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31751da177e4SLinus Torvalds# users to choose the right thing ... 31761da177e4SLinus Torvalds# 31771da177e4SLinus Torvaldsconfig ISA 31781da177e4SLinus Torvalds bool 31791da177e4SLinus Torvalds 31801da177e4SLinus Torvaldsconfig TC 31811da177e4SLinus Torvalds bool "TURBOchannel support" 31821da177e4SLinus Torvalds depends on MACH_DECSTATION 31831da177e4SLinus Torvalds help 318450a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 318550a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 318650a23e6eSJustin P. Mattock at: 318750a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 318850a23e6eSJustin P. Mattock and: 318950a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 319050a23e6eSJustin P. Mattock Linux driver support status is documented at: 319150a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31921da177e4SLinus Torvalds 31931da177e4SLinus Torvaldsconfig MMU 31941da177e4SLinus Torvalds bool 31951da177e4SLinus Torvalds default y 31961da177e4SLinus Torvalds 3197109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3198109c32ffSMatt Redfearn default 12 if 64BIT 3199109c32ffSMatt Redfearn default 8 3200109c32ffSMatt Redfearn 3201109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3202109c32ffSMatt Redfearn default 18 if 64BIT 3203109c32ffSMatt Redfearn default 15 3204109c32ffSMatt Redfearn 3205109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3206109c32ffSMatt Redfearn default 8 3207109c32ffSMatt Redfearn 3208109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3209109c32ffSMatt Redfearn default 15 3210109c32ffSMatt Redfearn 3211d865bea4SRalf Baechleconfig I8253 3212d865bea4SRalf Baechle bool 3213798778b8SRussell King select CLKSRC_I8253 32142d02612fSThomas Gleixner select CLKEVT_I8253 32159726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3216d865bea4SRalf Baechle 3217e05eb3f8SRalf Baechleconfig ZONE_DMA 3218e05eb3f8SRalf Baechle bool 3219e05eb3f8SRalf Baechle 3220cce335aeSRalf Baechleconfig ZONE_DMA32 3221cce335aeSRalf Baechle bool 3222cce335aeSRalf Baechle 32231da177e4SLinus Torvaldsendmenu 32241da177e4SLinus Torvalds 32251da177e4SLinus Torvaldsconfig TRAD_SIGNALS 32261da177e4SLinus Torvalds bool 32271da177e4SLinus Torvalds 32281da177e4SLinus Torvaldsconfig MIPS32_COMPAT 322978aaf956SRalf Baechle bool 32301da177e4SLinus Torvalds 32311da177e4SLinus Torvaldsconfig COMPAT 32321da177e4SLinus Torvalds bool 32331da177e4SLinus Torvalds 323405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 323505e43966SAtsushi Nemoto bool 323605e43966SAtsushi Nemoto 32371da177e4SLinus Torvaldsconfig MIPS32_O32 32381da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 323978aaf956SRalf Baechle depends on 64BIT 324078aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 324178aaf956SRalf Baechle select COMPAT 324278aaf956SRalf Baechle select MIPS32_COMPAT 324378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32441da177e4SLinus Torvalds help 32451da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 32461da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 32471da177e4SLinus Torvalds existing binaries are in this format. 32481da177e4SLinus Torvalds 32491da177e4SLinus Torvalds If unsure, say Y. 32501da177e4SLinus Torvalds 32511da177e4SLinus Torvaldsconfig MIPS32_N32 32521da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3253c22eacfeSRalf Baechle depends on 64BIT 32545a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 325578aaf956SRalf Baechle select COMPAT 325678aaf956SRalf Baechle select MIPS32_COMPAT 325778aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32581da177e4SLinus Torvalds help 32591da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 32601da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32611da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32621da177e4SLinus Torvalds cases. 32631da177e4SLinus Torvalds 32641da177e4SLinus Torvalds If unsure, say N. 32651da177e4SLinus Torvalds 32661da177e4SLinus Torvaldsconfig BINFMT_ELF32 32671da177e4SLinus Torvalds bool 32681da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3269f43edca7SRalf Baechle select ELFCORE 32701da177e4SLinus Torvalds 32712116245eSRalf Baechlemenu "Power management options" 3272952fa954SRodolfo Giometti 3273363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3274363c55caSWu Zhangjin def_bool y 32753f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3276363c55caSWu Zhangjin 3277f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3278f4cb5700SJohannes Berg def_bool y 32793f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3280f4cb5700SJohannes Berg 32812116245eSRalf Baechlesource "kernel/power/Kconfig" 3282952fa954SRodolfo Giometti 32831da177e4SLinus Torvaldsendmenu 32841da177e4SLinus Torvalds 32857a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32867a998935SViresh Kumar bool 32877a998935SViresh Kumar 32887a998935SViresh Kumarmenu "CPU Power Management" 3289c095ebafSPaul Burton 3290c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32917a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32927a998935SViresh Kumarendif 32939726b43aSWu Zhangjin 3294c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3295c095ebafSPaul Burton 3296c095ebafSPaul Burtonendmenu 3297c095ebafSPaul Burton 329898cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 329998cdee0eSRalf Baechle 33002235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3301e91946d6SNathan Chancellor 3302e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig" 3303