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 712597988SMatt Redfearn select ARCH_CLOCKSOURCE_DATA 812597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 91e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 10a2ecb233SDmitry Korotin select ARCH_HAS_FORTIFY_SOURCE 1112597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 121ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1312597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1425da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 150b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 169035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 1712597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1812597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 1912597988SMatt Redfearn select CLONE_BACKWARDS 2057eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 2112597988SMatt Redfearn select CPU_PM if CPU_IDLE 2212597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2312597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2412597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2512597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 2624640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 27b962aeb0SPaul Burton select GENERIC_IOMAP 2812597988SMatt Redfearn select GENERIC_IRQ_PROBE 2912597988SMatt Redfearn select GENERIC_IRQ_SHOW 306630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 31740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 32740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 33740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 34740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 35740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 3612597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 3712597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 3812597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 39446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 4012597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 41906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 4212597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 4388547001SJason Wessel select HAVE_ARCH_KGDB 44109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 45109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 46490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 47c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 4845e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 492ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 50716850abSHassan Naveed select HAVE_EBPF_JIT if (!CPU_MICROMIPS) 5112597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 5212597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 5364575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5412597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5512597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5612597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5712597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5812597988SMatt Redfearn select HAVE_EXIT_THREAD 5967a929e0SChristoph Hellwig select HAVE_FAST_GUP 6012597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 6129c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 6212597988SMatt Redfearn select HAVE_FUNCTION_TRACER 6312597988SMatt Redfearn select HAVE_IDE 64b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 6512597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 6612597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 67c1bf207dSDavid Daney select HAVE_KPROBES 68c1bf207dSDavid Daney select HAVE_KRETPROBES 69c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 709d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 71786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 7242a0bb3fSPetr Mladek select HAVE_NMI 7312597988SMatt Redfearn select HAVE_OPROFILE 7412597988SMatt Redfearn select HAVE_PERF_EVENTS 7508bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 769ea141adSPaul Burton select HAVE_RSEQ 77d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 7812597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 79a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 8024640f23SVincenzo Frascino select HAVE_GENERIC_VDSO 8112597988SMatt Redfearn select IRQ_FORCED_THREADING 826630a8e5SChristoph Hellwig select ISA if EISA 8312597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 8412597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8512597988SMatt Redfearn select PERF_USE_VMALLOC 8605a0a344SArnd Bergmann select RTC_LIB 8712597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 8812597988SMatt Redfearn select VIRT_TO_BUS 89d1af2ab3SPaul Burton select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 90*dcf78ee6SAlexey Khoroshilov select ARCH_HAS_KCOV 91*dcf78ee6SAlexey Khoroshilov select HAVE_GCC_PLUGINS 921da177e4SLinus Torvalds 931da177e4SLinus Torvaldsmenu "Machine selection" 941da177e4SLinus Torvalds 955e83d430SRalf Baechlechoice 965e83d430SRalf Baechle prompt "System type" 97d41e6858SMatt Redfearn default MIPS_GENERIC 981da177e4SLinus Torvalds 99eed0eabdSPaul Burtonconfig MIPS_GENERIC 100eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 101eed0eabdSPaul Burton select BOOT_RAW 102eed0eabdSPaul Burton select BUILTIN_DTB 103eed0eabdSPaul Burton select CEVT_R4K 104eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 105eed0eabdSPaul Burton select COMMON_CLK 106eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 107eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 108eed0eabdSPaul Burton select CSRC_R4K 109eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 110eb01d42aSChristoph Hellwig select HAVE_PCI 111eed0eabdSPaul Burton select IRQ_MIPS_CPU 112eed0eabdSPaul Burton select LIBFDT 1130211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 114eed0eabdSPaul Burton select MIPS_CPU_SCACHE 115eed0eabdSPaul Burton select MIPS_GIC 116eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 117eed0eabdSPaul Burton select NO_EXCEPT_FILL 118eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 119eed0eabdSPaul Burton select PINCTRL 120eed0eabdSPaul Burton select SMP_UP if SMP 121a3078e59SMatt Redfearn select SWAP_IO_SPACE 122eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 123eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 124eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 125eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 126eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 127eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 128eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 129eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 130eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 131eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 132eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 133eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 134eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 135eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 136eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 137eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 138eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1392e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1402e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1412e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1422e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1432e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1442e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 145eed0eabdSPaul Burton select USE_OF 1462fe8ea39SDengcheng Zhu select UHI_BOOT 147eed0eabdSPaul Burton help 148eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 149eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 150eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 151eed0eabdSPaul Burton Interface) specification. 152eed0eabdSPaul Burton 15342a4f17dSManuel Laussconfig MIPS_ALCHEMY 154c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 155d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 156f772cdb2SRalf Baechle select CEVT_R4K 157d7ea335cSSteven J. Hill select CSRC_R4K 15867e38cf2SRalf Baechle select IRQ_MIPS_CPU 15988e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 16042a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 16142a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 16242a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 163d30a2b47SLinus Walleij select GPIOLIB 1641b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 16547440229SManuel Lauss select COMMON_CLK 1661da177e4SLinus Torvalds 1677ca5dc14SFlorian Fainelliconfig AR7 1687ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1697ca5dc14SFlorian Fainelli select BOOT_ELF32 1707ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1717ca5dc14SFlorian Fainelli select CEVT_R4K 1727ca5dc14SFlorian Fainelli select CSRC_R4K 17367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1747ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1757ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1767ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1777ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1787ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1797ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 180377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1811b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 182d30a2b47SLinus Walleij select GPIOLIB 1837ca5dc14SFlorian Fainelli select VLYNQ 1848551fb64SYoichi Yuasa select HAVE_CLK 1857ca5dc14SFlorian Fainelli help 1867ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1877ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1887ca5dc14SFlorian Fainelli 18943cc739fSSergey Ryazanovconfig ATH25 19043cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 19143cc739fSSergey Ryazanov select CEVT_R4K 19243cc739fSSergey Ryazanov select CSRC_R4K 19343cc739fSSergey Ryazanov select DMA_NONCOHERENT 19467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1951753e74eSSergey Ryazanov select IRQ_DOMAIN 19643cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 19743cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 19843cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1998aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 20043cc739fSSergey Ryazanov help 20143cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 20243cc739fSSergey Ryazanov 203d4a67d9dSGabor Juhosconfig ATH79 204d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 205ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 206d4a67d9dSGabor Juhos select BOOT_RAW 207d4a67d9dSGabor Juhos select CEVT_R4K 208d4a67d9dSGabor Juhos select CSRC_R4K 209d4a67d9dSGabor Juhos select DMA_NONCOHERENT 210d30a2b47SLinus Walleij select GPIOLIB 211a08227a2SJohn Crispin select PINCTRL 21294638067SGabor Juhos select HAVE_CLK 213411520afSAlban Bedel select COMMON_CLK 2142c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 21567e38cf2SRalf Baechle select IRQ_MIPS_CPU 216d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 217d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 218d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 219d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 220377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 221b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 22203c8c407SAlban Bedel select USE_OF 22353d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 224d4a67d9dSGabor Juhos help 225d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 226d4a67d9dSGabor Juhos 2275f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2285f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 229d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 230d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 231d666cd02SKevin Cernekee select BOOT_RAW 232d666cd02SKevin Cernekee select NO_EXCEPT_FILL 233d666cd02SKevin Cernekee select USE_OF 234d666cd02SKevin Cernekee select CEVT_R4K 235d666cd02SKevin Cernekee select CSRC_R4K 236d666cd02SKevin Cernekee select SYNC_R4K 237d666cd02SKevin Cernekee select COMMON_CLK 238c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 23960b858f2SKevin Cernekee select BCM7038_L1_IRQ 24060b858f2SKevin Cernekee select BCM7120_L2_IRQ 24160b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 24267e38cf2SRalf Baechle select IRQ_MIPS_CPU 24360b858f2SKevin Cernekee select DMA_NONCOHERENT 244d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 24560b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 246d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 247d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 24860b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 24960b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 25060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 251d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 252d666cd02SKevin Cernekee select SWAP_IO_SPACE 25360b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25460b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 25560b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25660b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2574dc4704cSJustin Chen select HARDIRQS_SW_RESEND 258d666cd02SKevin Cernekee help 2595f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2605f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2615f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2625f2d4459SKevin Cernekee must be set appropriately for your board. 263d666cd02SKevin Cernekee 2641c0c13ebSAurelien Jarnoconfig BCM47XX 265c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 266fe08f8c2SHauke Mehrtens select BOOT_RAW 26742f77542SRalf Baechle select CEVT_R4K 268940f6b48SRalf Baechle select CSRC_R4K 2691c0c13ebSAurelien Jarno select DMA_NONCOHERENT 270eb01d42aSChristoph Hellwig select HAVE_PCI 27167e38cf2SRalf Baechle select IRQ_MIPS_CPU 272314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 273dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2741c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2751c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 276377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2776507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 27825e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 279e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 280c949c0bcSRafał Miłecki select GPIOLIB 281c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 282f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2832ab71a02SRafał Miłecki select BCM47XX_SPROM 284dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2851c0c13ebSAurelien Jarno help 2861c0c13ebSAurelien Jarno Support for BCM47XX based boards 2871c0c13ebSAurelien Jarno 288e7300d04SMaxime Bizonconfig BCM63XX 289e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 290ae8de61cSFlorian Fainelli select BOOT_RAW 291e7300d04SMaxime Bizon select CEVT_R4K 292e7300d04SMaxime Bizon select CSRC_R4K 293fc264022SJonas Gorski select SYNC_R4K 294e7300d04SMaxime Bizon select DMA_NONCOHERENT 29567e38cf2SRalf Baechle select IRQ_MIPS_CPU 296e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 297e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 298e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 299e7300d04SMaxime Bizon select SWAP_IO_SPACE 300d30a2b47SLinus Walleij select GPIOLIB 3013e82eeebSYoichi Yuasa select HAVE_CLK 302af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 303c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 304e7300d04SMaxime Bizon help 305e7300d04SMaxime Bizon Support for BCM63XX based boards 306e7300d04SMaxime Bizon 3071da177e4SLinus Torvaldsconfig MIPS_COBALT 3083fa986faSMartin Michlmayr bool "Cobalt Server" 30942f77542SRalf Baechle select CEVT_R4K 310940f6b48SRalf Baechle select CSRC_R4K 3111097c6acSYoichi Yuasa select CEVT_GT641XX 3121da177e4SLinus Torvalds select DMA_NONCOHERENT 313eb01d42aSChristoph Hellwig select FORCE_PCI 314d865bea4SRalf Baechle select I8253 3151da177e4SLinus Torvalds select I8259 31667e38cf2SRalf Baechle select IRQ_MIPS_CPU 317d5ab1a69SYoichi Yuasa select IRQ_GT641XX 318252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3197cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3200a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 321ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3220e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3235e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 324e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3251da177e4SLinus Torvalds 3261da177e4SLinus Torvaldsconfig MACH_DECSTATION 3273fa986faSMartin Michlmayr bool "DECstations" 3281da177e4SLinus Torvalds select BOOT_ELF32 3296457d9fcSYoichi Yuasa select CEVT_DS1287 33081d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3314247417dSYoichi Yuasa select CSRC_IOASIC 33281d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 33320d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 33420d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 33520d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3361da177e4SLinus Torvalds select DMA_NONCOHERENT 337ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 33867e38cf2SRalf Baechle select IRQ_MIPS_CPU 3397cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3407cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 341ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3427d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3441723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3451723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3461723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 347930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3485e83d430SRalf Baechle help 3491da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3501da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3511da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3541da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3551da177e4SLinus Torvalds 3561da177e4SLinus Torvalds DECstation 5000/50 3571da177e4SLinus Torvalds DECstation 5000/150 3581da177e4SLinus Torvalds DECstation 5000/260 3591da177e4SLinus Torvalds DECsystem 5900/260 3601da177e4SLinus Torvalds 3611da177e4SLinus Torvalds otherwise choose R3000. 3621da177e4SLinus Torvalds 3635e83d430SRalf Baechleconfig MACH_JAZZ 3643fa986faSMartin Michlmayr bool "Jazz family of machines" 36539b2d756SThomas Bogendoerfer select ARC_MEMORY 36639b2d756SThomas Bogendoerfer select ARC_PROMLIB 367a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3687a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3690e2794b0SRalf Baechle select FW_ARC 3700e2794b0SRalf Baechle select FW_ARC32 3715e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 37242f77542SRalf Baechle select CEVT_R4K 373940f6b48SRalf Baechle select CSRC_R4K 374e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3755e83d430SRalf Baechle select GENERIC_ISA_DMA 3768a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 37767e38cf2SRalf Baechle select IRQ_MIPS_CPU 378d865bea4SRalf Baechle select I8253 3795e83d430SRalf Baechle select I8259 3805e83d430SRalf Baechle select ISA 3817cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3825e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3837d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3841723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3851da177e4SLinus Torvalds help 3865e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3875e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 388692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3895e83d430SRalf Baechle Olivetti M700-10 workstations. 3905e83d430SRalf Baechle 391de361e8bSPaul Burtonconfig MACH_INGENIC 392de361e8bSPaul Burton bool "Ingenic SoC based machines" 3935ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3945ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 395f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 396b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3975ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 39867e38cf2SRalf Baechle select IRQ_MIPS_CPU 39937b4c3caSPaul Cercueil select PINCTRL 400d30a2b47SLinus Walleij select GPIOLIB 401ff1930c6SPaul Burton select COMMON_CLK 40283bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 40315205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 404ffb1843dSPaul Burton select USE_OF 4056ec127fbSPaul Burton select LIBFDT 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 425a0392222SJohn Crispin select USE_OF 4263f8c50c9SJohn Crispin select PINCTRL 4273f8c50c9SJohn Crispin select PINCTRL_LANTIQ 428c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 429c530781cSJohn Crispin select RESET_CONTROLLER 430171bb2f1SJohn Crispin 4311f21d2bdSBrian Murphyconfig LASAT 4321f21d2bdSBrian Murphy bool "LASAT Networks platforms" 43342f77542SRalf Baechle select CEVT_R4K 43416f0bbbcSRalf Baechle select CRC32 435940f6b48SRalf Baechle select CSRC_R4K 4361f21d2bdSBrian Murphy select DMA_NONCOHERENT 4371f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 438eb01d42aSChristoph Hellwig select HAVE_PCI 43967e38cf2SRalf Baechle select IRQ_MIPS_CPU 4401f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4411f21d2bdSBrian Murphy select MIPS_NILE4 4421f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4431f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4441f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4451f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4461f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4471f21d2bdSBrian Murphy 44830ad29bbSHuacai Chenconfig MACH_LOONGSON32 449caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 450c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 451ade299d8SYoichi Yuasa help 45230ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 45385749d24SWu Zhangjin 45430ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 45530ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 45630ad29bbSHuacai Chen Sciences (CAS). 457ade299d8SYoichi Yuasa 45871e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 45971e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 460ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 461ca585cf9SKelvin Cheung help 46271e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 463ca585cf9SKelvin Cheung 46471e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 465caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4666fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4676fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4686fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4696fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4706fbde6b4SJiaxun Yang select BOOT_ELF32 4716fbde6b4SJiaxun Yang select BOARD_SCACHE 4726fbde6b4SJiaxun Yang select CSRC_R4K 4736fbde6b4SJiaxun Yang select CEVT_R4K 4746fbde6b4SJiaxun Yang select CPU_HAS_WB 4756fbde6b4SJiaxun Yang select FORCE_PCI 4766fbde6b4SJiaxun Yang select ISA 4776fbde6b4SJiaxun Yang select I8259 4786fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4796fbde6b4SJiaxun Yang select NR_CPUS_DEFAULT_4 4806fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4816fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4826fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4836fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4846fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4856fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4866fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4876fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 4886fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 48971e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 4906fbde6b4SJiaxun Yang select LOONGSON_MC146818 4916fbde6b4SJiaxun Yang select ZONE_DMA32 4926fbde6b4SJiaxun Yang select NUMA 49371e2f4ddSJiaxun Yang help 494caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 495caed1d1bSHuacai Chen 496caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 497caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 498caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 499caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 500ca585cf9SKelvin Cheung 5016a438309SAndrew Brestickerconfig MACH_PISTACHIO 5026a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 5036a438309SAndrew Bresticker select BOOT_ELF32 5046a438309SAndrew Bresticker select BOOT_RAW 5056a438309SAndrew Bresticker select CEVT_R4K 5066a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 5076a438309SAndrew Bresticker select COMMON_CLK 5086a438309SAndrew Bresticker select CSRC_R4K 509645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 510d30a2b47SLinus Walleij select GPIOLIB 51167e38cf2SRalf Baechle select IRQ_MIPS_CPU 5126a438309SAndrew Bresticker select LIBFDT 5136a438309SAndrew Bresticker select MFD_SYSCON 5146a438309SAndrew Bresticker select MIPS_CPU_SCACHE 5156a438309SAndrew Bresticker select MIPS_GIC 5166a438309SAndrew Bresticker select PINCTRL 5176a438309SAndrew Bresticker select REGULATOR 5186a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 5196a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 5206a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 5216a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 5226a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 52341cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 5246a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 525018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 526018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 5276a438309SAndrew Bresticker select USE_OF 5286a438309SAndrew Bresticker help 5296a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 5306a438309SAndrew Bresticker 5311da177e4SLinus Torvaldsconfig MIPS_MALTA 5323fa986faSMartin Michlmayr bool "MIPS Malta board" 53361ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 534a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5357a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5361da177e4SLinus Torvalds select BOOT_ELF32 537fa71c960SRalf Baechle select BOOT_RAW 538e8823d26SPaul Burton select BUILTIN_DTB 53942f77542SRalf Baechle select CEVT_R4K 540fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 54142b002abSGuenter Roeck select COMMON_CLK 54247bf2b03SMaksym Kokhan select CSRC_R4K 543885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5441da177e4SLinus Torvalds select GENERIC_ISA_DMA 5458a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 546eb01d42aSChristoph Hellwig select HAVE_PCI 547d865bea4SRalf Baechle select I8253 5481da177e4SLinus Torvalds select I8259 54947bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 55047bf2b03SMaksym Kokhan select LIBFDT 5515e83d430SRalf Baechle select MIPS_BONITO64 5529318c51aSChris Dearman select MIPS_CPU_SCACHE 55347bf2b03SMaksym Kokhan select MIPS_GIC 554a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5555e83d430SRalf Baechle select MIPS_MSC 55647bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 557ecafe3e9SPaul Burton select SMP_UP if SMP 5581da177e4SLinus Torvalds select SWAP_IO_SPACE 5597cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5607cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 561bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 562c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 563575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5647cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5655d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 566575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5677cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5687cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 569ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 570ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5715e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 572c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5735e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 574424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 57547bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5760365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 577e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 578f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 57947bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5809693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 581f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5821b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 583e8823d26SPaul Burton select USE_OF 584abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5851da177e4SLinus Torvalds help 586f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5871da177e4SLinus Torvalds board. 5881da177e4SLinus Torvalds 5892572f00dSJoshua Hendersonconfig MACH_PIC32 5902572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5912572f00dSJoshua Henderson help 5922572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5932572f00dSJoshua Henderson 5942572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5952572f00dSJoshua Henderson microcontrollers. 5962572f00dSJoshua Henderson 597a83860c2SRalf Baechleconfig NEC_MARKEINS 598a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 599a83860c2SRalf Baechle select SOC_EMMA2RH 600eb01d42aSChristoph Hellwig select HAVE_PCI 601a83860c2SRalf Baechle help 602a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 603ade299d8SYoichi Yuasa 6045e83d430SRalf Baechleconfig MACH_VR41XX 60574142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 60642f77542SRalf Baechle select CEVT_R4K 607940f6b48SRalf Baechle select CSRC_R4K 6087cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 609377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 610d30a2b47SLinus Walleij select GPIOLIB 6115e83d430SRalf Baechle 612edb6310aSDaniel Lairdconfig NXP_STB220 613edb6310aSDaniel Laird bool "NXP STB220 board" 614edb6310aSDaniel Laird select SOC_PNX833X 615edb6310aSDaniel Laird help 616edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 617edb6310aSDaniel Laird 618edb6310aSDaniel Lairdconfig NXP_STB225 619edb6310aSDaniel Laird bool "NXP 225 board" 620edb6310aSDaniel Laird select SOC_PNX833X 621edb6310aSDaniel Laird select SOC_PNX8335 622edb6310aSDaniel Laird help 623edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 624edb6310aSDaniel Laird 6259267a30dSMarc St-Jeanconfig PMC_MSP 6269267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 62739d30c13SAnoop P A select CEVT_R4K 62839d30c13SAnoop P A select CSRC_R4K 6299267a30dSMarc St-Jean select DMA_NONCOHERENT 6309267a30dSMarc St-Jean select SWAP_IO_SPACE 6319267a30dSMarc St-Jean select NO_EXCEPT_FILL 6329267a30dSMarc St-Jean select BOOT_RAW 6339267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 6349267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 6359267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 6369267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 637377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 63867e38cf2SRalf Baechle select IRQ_MIPS_CPU 6399267a30dSMarc St-Jean select SERIAL_8250 6409267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6419296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6429296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6439267a30dSMarc St-Jean help 6449267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6459267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6469267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6479267a30dSMarc St-Jean a variety of MIPS cores. 6489267a30dSMarc St-Jean 649ae2b5bb6SJohn Crispinconfig RALINK 650ae2b5bb6SJohn Crispin bool "Ralink based machines" 651ae2b5bb6SJohn Crispin select CEVT_R4K 652ae2b5bb6SJohn Crispin select CSRC_R4K 653ae2b5bb6SJohn Crispin select BOOT_RAW 654ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 65567e38cf2SRalf Baechle select IRQ_MIPS_CPU 656ae2b5bb6SJohn Crispin select USE_OF 657ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 658ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 659ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 660ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 661377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 662ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 663ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6642a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6652a153f1cSJohn Crispin select RESET_CONTROLLER 666ae2b5bb6SJohn Crispin 6671da177e4SLinus Torvaldsconfig SGI_IP22 6683fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 669c0de00b2SThomas Bogendoerfer select ARC_MEMORY 67039b2d756SThomas Bogendoerfer select ARC_PROMLIB 6710e2794b0SRalf Baechle select FW_ARC 6720e2794b0SRalf Baechle select FW_ARC32 6737a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6741da177e4SLinus Torvalds select BOOT_ELF32 67542f77542SRalf Baechle select CEVT_R4K 676940f6b48SRalf Baechle select CSRC_R4K 677e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6781da177e4SLinus Torvalds select DMA_NONCOHERENT 6796630a8e5SChristoph Hellwig select HAVE_EISA 680d865bea4SRalf Baechle select I8253 68168de4803SThomas Bogendoerfer select I8259 6821da177e4SLinus Torvalds select IP22_CPU_SCACHE 68367e38cf2SRalf Baechle select IRQ_MIPS_CPU 684aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 685e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 686e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 68736e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 688e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 689e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 690e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6911da177e4SLinus Torvalds select SWAP_IO_SPACE 6927cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6937cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 694c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 695ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 696ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6975e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 698930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6991da177e4SLinus Torvalds help 7001da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 7011da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 7021da177e4SLinus Torvalds that runs on these, say Y here. 7031da177e4SLinus Torvalds 7041da177e4SLinus Torvaldsconfig SGI_IP27 7053fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 70654aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 707397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 7080e2794b0SRalf Baechle select FW_ARC 7090e2794b0SRalf Baechle select FW_ARC64 710e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 7115e83d430SRalf Baechle select BOOT_ELF64 712e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 71336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 714eb01d42aSChristoph Hellwig select HAVE_PCI 71569a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 716e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 717130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 718a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 719a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7207cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 721ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7225e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 723d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7241a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 725930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7261da177e4SLinus Torvalds help 7271da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7281da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7291da177e4SLinus Torvalds here. 7301da177e4SLinus Torvalds 731e2defae5SThomas Bogendoerferconfig SGI_IP28 7327d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 733c0de00b2SThomas Bogendoerfer select ARC_MEMORY 73439b2d756SThomas Bogendoerfer select ARC_PROMLIB 7350e2794b0SRalf Baechle select FW_ARC 7360e2794b0SRalf Baechle select FW_ARC64 7377a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 738e2defae5SThomas Bogendoerfer select BOOT_ELF64 739e2defae5SThomas Bogendoerfer select CEVT_R4K 740e2defae5SThomas Bogendoerfer select CSRC_R4K 741e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 742e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 743e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 74467e38cf2SRalf Baechle select IRQ_MIPS_CPU 7456630a8e5SChristoph Hellwig select HAVE_EISA 746e2defae5SThomas Bogendoerfer select I8253 747e2defae5SThomas Bogendoerfer select I8259 748e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 749e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7505b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 751e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 752e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 753e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 754e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 755e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 756c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 757e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 758e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 759dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 760e2defae5SThomas Bogendoerfer help 761e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 762e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 763e2defae5SThomas Bogendoerfer 7647505576dSThomas Bogendoerferconfig SGI_IP30 7657505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7667505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7677505576dSThomas Bogendoerfer select FW_ARC 7687505576dSThomas Bogendoerfer select FW_ARC64 7697505576dSThomas Bogendoerfer select BOOT_ELF64 7707505576dSThomas Bogendoerfer select CEVT_R4K 7717505576dSThomas Bogendoerfer select CSRC_R4K 7727505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7737505576dSThomas Bogendoerfer select ZONE_DMA32 7747505576dSThomas Bogendoerfer select HAVE_PCI 7757505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7767505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7777505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 7787505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7797505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7807505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7817505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7827505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7837505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7847505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 7857505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7867505576dSThomas Bogendoerfer select ARC_MEMORY 7877505576dSThomas Bogendoerfer help 7887505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 7897505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 7907505576dSThomas Bogendoerfer 7911da177e4SLinus Torvaldsconfig SGI_IP32 792cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 79339b2d756SThomas Bogendoerfer select ARC_MEMORY 79439b2d756SThomas Bogendoerfer select ARC_PROMLIB 79503df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7960e2794b0SRalf Baechle select FW_ARC 7970e2794b0SRalf Baechle select FW_ARC32 7981da177e4SLinus Torvalds select BOOT_ELF32 79942f77542SRalf Baechle select CEVT_R4K 800940f6b48SRalf Baechle select CSRC_R4K 8011da177e4SLinus Torvalds select DMA_NONCOHERENT 802eb01d42aSChristoph Hellwig select HAVE_PCI 80367e38cf2SRalf Baechle select IRQ_MIPS_CPU 8041da177e4SLinus Torvalds select R5000_CPU_SCACHE 8051da177e4SLinus Torvalds select RM7000_CPU_SCACHE 8067cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 8077cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 8087cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 809dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 810ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 8115e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8121da177e4SLinus Torvalds help 8131da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8141da177e4SLinus Torvalds 815ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 816ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8175e83d430SRalf Baechle select BOOT_ELF32 8185e83d430SRalf Baechle select SIBYTE_BCM1120 8195e83d430SRalf Baechle select SWAP_IO_SPACE 8207cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8215e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8225e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8235e83d430SRalf Baechle 824ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 825ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8265e83d430SRalf Baechle select BOOT_ELF32 8275e83d430SRalf Baechle select SIBYTE_BCM1120 8285e83d430SRalf Baechle select SWAP_IO_SPACE 8297cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8305e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8315e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8325e83d430SRalf Baechle 8335e83d430SRalf Baechleconfig SIBYTE_CRHONE 8343fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8355e83d430SRalf Baechle select BOOT_ELF32 8365e83d430SRalf Baechle select SIBYTE_BCM1125 8375e83d430SRalf Baechle select SWAP_IO_SPACE 8387cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8395e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8405e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8425e83d430SRalf Baechle 843ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 844ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 845ade299d8SYoichi Yuasa select BOOT_ELF32 846ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 847ade299d8SYoichi Yuasa select SWAP_IO_SPACE 848ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 849ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 850ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 851ade299d8SYoichi Yuasa 852ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 853ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 854ade299d8SYoichi Yuasa select BOOT_ELF32 855fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 856ade299d8SYoichi Yuasa select SIBYTE_SB1250 857ade299d8SYoichi Yuasa select SWAP_IO_SPACE 858ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 859ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 860ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 861ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 862cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 863e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 864ade299d8SYoichi Yuasa 865ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 866ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 867ade299d8SYoichi Yuasa select BOOT_ELF32 868fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 869ade299d8SYoichi Yuasa select SIBYTE_SB1250 870ade299d8SYoichi Yuasa select SWAP_IO_SPACE 871ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 872ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 873ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 874ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 875756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 876ade299d8SYoichi Yuasa 877ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 878ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 879ade299d8SYoichi Yuasa select BOOT_ELF32 880ade299d8SYoichi Yuasa select SIBYTE_SB1250 881ade299d8SYoichi Yuasa select SWAP_IO_SPACE 882ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 883ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 884ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 885e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 886ade299d8SYoichi Yuasa 887ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 888ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 889ade299d8SYoichi Yuasa select BOOT_ELF32 890ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 891ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 892ade299d8SYoichi Yuasa select SWAP_IO_SPACE 893ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 894ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 895651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 896ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 897cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 898e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 899ade299d8SYoichi Yuasa 90014b36af4SThomas Bogendoerferconfig SNI_RM 90114b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 90239b2d756SThomas Bogendoerfer select ARC_MEMORY 90339b2d756SThomas Bogendoerfer select ARC_PROMLIB 9040e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 9050e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 906aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 9075e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 908a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 9097a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 9105e83d430SRalf Baechle select BOOT_ELF32 91142f77542SRalf Baechle select CEVT_R4K 912940f6b48SRalf Baechle select CSRC_R4K 913e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9145e83d430SRalf Baechle select DMA_NONCOHERENT 9155e83d430SRalf Baechle select GENERIC_ISA_DMA 9166630a8e5SChristoph Hellwig select HAVE_EISA 9178a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 918eb01d42aSChristoph Hellwig select HAVE_PCI 91967e38cf2SRalf Baechle select IRQ_MIPS_CPU 920d865bea4SRalf Baechle select I8253 9215e83d430SRalf Baechle select I8259 9225e83d430SRalf Baechle select ISA 9234a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9247cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9254a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 926c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9274a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 92836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 929ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9307d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9314a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9325e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9335e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 9341da177e4SLinus Torvalds help 93514b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 93614b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9375e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9385e83d430SRalf Baechle support this machine type. 9391da177e4SLinus Torvalds 940edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 941edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9425e83d430SRalf Baechle 943edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 944edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 94523fbee9dSRalf Baechle 94673b4390fSRalf Baechleconfig MIKROTIK_RB532 94773b4390fSRalf Baechle bool "Mikrotik RB532 boards" 94873b4390fSRalf Baechle select CEVT_R4K 94973b4390fSRalf Baechle select CSRC_R4K 95073b4390fSRalf Baechle select DMA_NONCOHERENT 951eb01d42aSChristoph Hellwig select HAVE_PCI 95267e38cf2SRalf Baechle select IRQ_MIPS_CPU 95373b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 95473b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 95573b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 95673b4390fSRalf Baechle select SWAP_IO_SPACE 95773b4390fSRalf Baechle select BOOT_RAW 958d30a2b47SLinus Walleij select GPIOLIB 959930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 96073b4390fSRalf Baechle help 96173b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 96273b4390fSRalf Baechle based on the IDT RC32434 SoC. 96373b4390fSRalf Baechle 9649ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9659ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 966a86c7f72SDavid Daney select CEVT_R4K 967ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9681753d50cSChristoph Hellwig select HAVE_RAPIDIO 969d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 970a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 971a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 972f65aad41SRalf Baechle select EDAC_SUPPORT 973b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 97473569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 97573569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 976a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9775e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 978eb01d42aSChristoph Hellwig select HAVE_PCI 979f00e001eSDavid Daney select ZONE_DMA32 980465aaed0SDavid Daney select HOLES_IN_ZONE 981d30a2b47SLinus Walleij select GPIOLIB 9826e511163SDavid Daney select LIBFDT 9836e511163SDavid Daney select USE_OF 9846e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9856e511163SDavid Daney select SYS_SUPPORTS_SMP 9867820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9877820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 988e326479fSAndrew Bresticker select BUILTIN_DTB 9898c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 99009230cbcSChristoph Hellwig select SWIOTLB 9913ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 992a86c7f72SDavid Daney help 993a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 994a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 995a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 996a86c7f72SDavid Daney Some of the supported boards are: 997a86c7f72SDavid Daney EBT3000 998a86c7f72SDavid Daney EBH3000 999a86c7f72SDavid Daney EBH3100 1000a86c7f72SDavid Daney Thunder 1001a86c7f72SDavid Daney Kodama 1002a86c7f72SDavid Daney Hikari 1003a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 1004a86c7f72SDavid Daney 10057f058e85SJayachandran Cconfig NLM_XLR_BOARD 10067f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 10077f058e85SJayachandran C select BOOT_ELF32 10087f058e85SJayachandran C select NLM_COMMON 10097f058e85SJayachandran C select SYS_HAS_CPU_XLR 10107f058e85SJayachandran C select SYS_SUPPORTS_SMP 1011eb01d42aSChristoph Hellwig select HAVE_PCI 10127f058e85SJayachandran C select SWAP_IO_SPACE 10137f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10147f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1015d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 10167f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10177f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 10187f058e85SJayachandran C select NR_CPUS_DEFAULT_32 10197f058e85SJayachandran C select CEVT_R4K 10207f058e85SJayachandran C select CSRC_R4K 102167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1022b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10237f058e85SJayachandran C select SYNC_R4K 10247f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 10258f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10268f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10277f058e85SJayachandran C help 10287f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 10297f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 10307f058e85SJayachandran C 10311c773ea4SJayachandran Cconfig NLM_XLP_BOARD 10321c773ea4SJayachandran C bool "Netlogic XLP based systems" 10331c773ea4SJayachandran C select BOOT_ELF32 10341c773ea4SJayachandran C select NLM_COMMON 10351c773ea4SJayachandran C select SYS_HAS_CPU_XLP 10361c773ea4SJayachandran C select SYS_SUPPORTS_SMP 1037eb01d42aSChristoph Hellwig select HAVE_PCI 10381c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10391c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1040d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1041d30a2b47SLinus Walleij select GPIOLIB 10421c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10431c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10441c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10451c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10461c773ea4SJayachandran C select CEVT_R4K 10471c773ea4SJayachandran C select CSRC_R4K 104867e38cf2SRalf Baechle select IRQ_MIPS_CPU 1049b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10501c773ea4SJayachandran C select SYNC_R4K 10511c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10522f6528e1SJayachandran C select USE_OF 10538f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10548f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10551c773ea4SJayachandran C help 10561c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10571c773ea4SJayachandran C Say Y here if you have a XLP based board. 10581c773ea4SJayachandran C 10599bc463beSDavid Daneyconfig MIPS_PARAVIRT 10609bc463beSDavid Daney bool "Para-Virtualized guest system" 10619bc463beSDavid Daney select CEVT_R4K 10629bc463beSDavid Daney select CSRC_R4K 10639bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10649bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10659bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10669bc463beSDavid Daney select SYS_SUPPORTS_SMP 10679bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10689bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10699bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10709bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10719bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1072eb01d42aSChristoph Hellwig select HAVE_PCI 10739bc463beSDavid Daney select SWAP_IO_SPACE 10749bc463beSDavid Daney help 10759bc463beSDavid Daney This option supports guest running under ???? 10769bc463beSDavid Daney 10771da177e4SLinus Torvaldsendchoice 10781da177e4SLinus Torvalds 1079e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10803b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1081d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1082a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1083e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10848945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1085eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10865e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10875ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10888ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10891f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10902572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1091af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10920f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1093ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 109429c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 109538b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 109622b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10975e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1098a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 109971e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 110030ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 110130ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 11027f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1103ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 110438b18f72SRalf Baechle 11055e83d430SRalf Baechleendmenu 11065e83d430SRalf Baechle 11073c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 11083c9ee7efSAkinobu Mita bool 11093c9ee7efSAkinobu Mita default y 11103c9ee7efSAkinobu Mita 11111da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 11121da177e4SLinus Torvalds bool 11131da177e4SLinus Torvalds default y 11141da177e4SLinus Torvalds 1115ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 11161cc89038SAtsushi Nemoto bool 11171cc89038SAtsushi Nemoto default y 11181cc89038SAtsushi Nemoto 11191da177e4SLinus Torvalds# 11201da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 11211da177e4SLinus Torvalds# 11220e2794b0SRalf Baechleconfig FW_ARC 11231da177e4SLinus Torvalds bool 11241da177e4SLinus Torvalds 112561ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 112661ed242dSRalf Baechle bool 112761ed242dSRalf Baechle 11289267a30dSMarc St-Jeanconfig BOOT_RAW 11299267a30dSMarc St-Jean bool 11309267a30dSMarc St-Jean 1131217dd11eSRalf Baechleconfig CEVT_BCM1480 1132217dd11eSRalf Baechle bool 1133217dd11eSRalf Baechle 11346457d9fcSYoichi Yuasaconfig CEVT_DS1287 11356457d9fcSYoichi Yuasa bool 11366457d9fcSYoichi Yuasa 11371097c6acSYoichi Yuasaconfig CEVT_GT641XX 11381097c6acSYoichi Yuasa bool 11391097c6acSYoichi Yuasa 114042f77542SRalf Baechleconfig CEVT_R4K 114142f77542SRalf Baechle bool 114242f77542SRalf Baechle 1143217dd11eSRalf Baechleconfig CEVT_SB1250 1144217dd11eSRalf Baechle bool 1145217dd11eSRalf Baechle 1146229f773eSAtsushi Nemotoconfig CEVT_TXX9 1147229f773eSAtsushi Nemoto bool 1148229f773eSAtsushi Nemoto 1149217dd11eSRalf Baechleconfig CSRC_BCM1480 1150217dd11eSRalf Baechle bool 1151217dd11eSRalf Baechle 11524247417dSYoichi Yuasaconfig CSRC_IOASIC 11534247417dSYoichi Yuasa bool 11544247417dSYoichi Yuasa 1155940f6b48SRalf Baechleconfig CSRC_R4K 1156940f6b48SRalf Baechle bool 1157940f6b48SRalf Baechle 1158217dd11eSRalf Baechleconfig CSRC_SB1250 1159217dd11eSRalf Baechle bool 1160217dd11eSRalf Baechle 1161a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1162a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1163a7f4df4eSAlex Smith 1164a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1165d30a2b47SLinus Walleij select GPIOLIB 1166a9aec7feSAtsushi Nemoto bool 1167a9aec7feSAtsushi Nemoto 11680e2794b0SRalf Baechleconfig FW_CFE 1169df78b5c8SAurelien Jarno bool 1170df78b5c8SAurelien Jarno 117140e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 117240e084a5SRalf Baechle bool 117340e084a5SRalf Baechle 1174885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1175f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1176885014bcSFelix Fietkau select DMA_NONCOHERENT 1177885014bcSFelix Fietkau bool 1178885014bcSFelix Fietkau 117920d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 118020d33064SPaul Burton bool 1181347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11825748e1b3SChristoph Hellwig select DMA_NONCOHERENT 118320d33064SPaul Burton 11841da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11851da177e4SLinus Torvalds bool 1186db91427bSChristoph Hellwig # 1187db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1188db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1189db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1190db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1191db91427bSChristoph Hellwig # significant advantages. 1192db91427bSChristoph Hellwig # 1193419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1194f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11952ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 1196e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 119758b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1198f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11994ce588cdSRalf Baechle 120036a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 12011da177e4SLinus Torvalds bool 12021da177e4SLinus Torvalds 12031b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1204dbb74540SRalf Baechle bool 1205dbb74540SRalf Baechle 12061da177e4SLinus Torvaldsconfig MIPS_BONITO64 12071da177e4SLinus Torvalds bool 12081da177e4SLinus Torvalds 12091da177e4SLinus Torvaldsconfig MIPS_MSC 12101da177e4SLinus Torvalds bool 12111da177e4SLinus Torvalds 12121f21d2bdSBrian Murphyconfig MIPS_NILE4 12131f21d2bdSBrian Murphy bool 12141f21d2bdSBrian Murphy 121539b8d525SRalf Baechleconfig SYNC_R4K 121639b8d525SRalf Baechle bool 121739b8d525SRalf Baechle 1218487d70d0SGabor Juhosconfig MIPS_MACHINE 1219487d70d0SGabor Juhos def_bool n 1220487d70d0SGabor Juhos 1221ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1222d388d685SMaciej W. Rozycki def_bool n 1223d388d685SMaciej W. Rozycki 12244e0748f5SMarkos Chandrasconfig GENERIC_CSUM 12254e0748f5SMarkos Chandras bool 1226932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 12274e0748f5SMarkos Chandras 12288313da30SRalf Baechleconfig GENERIC_ISA_DMA 12298313da30SRalf Baechle bool 12308313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1231a35bee8aSNamhyung Kim select ISA_DMA_API 12328313da30SRalf Baechle 1233aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1234aa414dffSRalf Baechle bool 12358313da30SRalf Baechle select GENERIC_ISA_DMA 1236aa414dffSRalf Baechle 1237a35bee8aSNamhyung Kimconfig ISA_DMA_API 1238a35bee8aSNamhyung Kim bool 1239a35bee8aSNamhyung Kim 1240465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1241465aaed0SDavid Daney bool 1242465aaed0SDavid Daney 12438c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 12448c530ea3SMatt Redfearn bool 12458c530ea3SMatt Redfearn help 12468c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 12478c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 12488c530ea3SMatt Redfearn to allow access to command line and entropy sources. 12498c530ea3SMatt Redfearn 1250f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1251f381bf6dSDavid Daney def_bool y 1252f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1253f381bf6dSDavid Daney 1254f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1255f381bf6dSDavid Daney def_bool y 1256f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1257f381bf6dSDavid Daney 1258f381bf6dSDavid Daney 12595e83d430SRalf Baechle# 12606b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12615e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12625e83d430SRalf Baechle# choice statement should be more obvious to the user. 12635e83d430SRalf Baechle# 12645e83d430SRalf Baechlechoice 12656b2aac42SMasanari Iida prompt "Endianness selection" 12661da177e4SLinus Torvalds help 12671da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12685e83d430SRalf Baechle byte order. These modes require different kernels and a different 12693cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12705e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12713dde6ad8SDavid Sterba one or the other endianness. 12725e83d430SRalf Baechle 12735e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12745e83d430SRalf Baechle bool "Big endian" 12755e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12765e83d430SRalf Baechle 12775e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12785e83d430SRalf Baechle bool "Little endian" 12795e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12805e83d430SRalf Baechle 12815e83d430SRalf Baechleendchoice 12825e83d430SRalf Baechle 128322b0763aSDavid Daneyconfig EXPORT_UASM 128422b0763aSDavid Daney bool 128522b0763aSDavid Daney 12862116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12872116245eSRalf Baechle bool 12882116245eSRalf Baechle 12895e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12905e83d430SRalf Baechle bool 12915e83d430SRalf Baechle 12925e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12935e83d430SRalf Baechle bool 12941da177e4SLinus Torvalds 12959cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12969cffd154SDavid Daney bool 129745e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12989cffd154SDavid Daney default y 12999cffd154SDavid Daney 1300aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1301aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1302aa1762f4SDavid Daney 13031da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 13041da177e4SLinus Torvalds bool 13051da177e4SLinus Torvalds 13069267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 13079267a30dSMarc St-Jean bool 13089267a30dSMarc St-Jean 13099267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 13109267a30dSMarc St-Jean bool 13119267a30dSMarc St-Jean 13128420fd00SAtsushi Nemotoconfig IRQ_TXX9 13138420fd00SAtsushi Nemoto bool 13148420fd00SAtsushi Nemoto 1315d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1316d5ab1a69SYoichi Yuasa bool 1317d5ab1a69SYoichi Yuasa 1318252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 13191da177e4SLinus Torvalds bool 13201da177e4SLinus Torvalds 1321a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1322a57140e9SThomas Bogendoerfer bool 1323a57140e9SThomas Bogendoerfer 13249267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 13259267a30dSMarc St-Jean bool 13269267a30dSMarc St-Jean 1327a83860c2SRalf Baechleconfig SOC_EMMA2RH 1328a83860c2SRalf Baechle bool 1329a83860c2SRalf Baechle select CEVT_R4K 1330a83860c2SRalf Baechle select CSRC_R4K 1331a83860c2SRalf Baechle select DMA_NONCOHERENT 133267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1333a83860c2SRalf Baechle select SWAP_IO_SPACE 1334a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1335a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1336a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1337a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1338a83860c2SRalf Baechle 1339edb6310aSDaniel Lairdconfig SOC_PNX833X 1340edb6310aSDaniel Laird bool 1341edb6310aSDaniel Laird select CEVT_R4K 1342edb6310aSDaniel Laird select CSRC_R4K 134367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1344edb6310aSDaniel Laird select DMA_NONCOHERENT 1345edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1346edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1347edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1348edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1349377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1350edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1351edb6310aSDaniel Laird 1352edb6310aSDaniel Lairdconfig SOC_PNX8335 1353edb6310aSDaniel Laird bool 1354edb6310aSDaniel Laird select SOC_PNX833X 1355edb6310aSDaniel Laird 1356a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1357a7e07b1aSMarkos Chandras bool 1358a7e07b1aSMarkos Chandras 13591da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13601da177e4SLinus Torvalds bool 13611da177e4SLinus Torvalds 1362e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1363e2defae5SThomas Bogendoerfer bool 1364e2defae5SThomas Bogendoerfer 13655b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13665b438c44SThomas Bogendoerfer bool 13675b438c44SThomas Bogendoerfer 1368e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1369e2defae5SThomas Bogendoerfer bool 1370e2defae5SThomas Bogendoerfer 1371e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1372e2defae5SThomas Bogendoerfer bool 1373e2defae5SThomas Bogendoerfer 1374e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1375e2defae5SThomas Bogendoerfer bool 1376e2defae5SThomas Bogendoerfer 1377e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1378e2defae5SThomas Bogendoerfer bool 1379e2defae5SThomas Bogendoerfer 1380e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1381e2defae5SThomas Bogendoerfer bool 1382e2defae5SThomas Bogendoerfer 13830e2794b0SRalf Baechleconfig FW_ARC32 13845e83d430SRalf Baechle bool 13855e83d430SRalf Baechle 1386aaa9fad3SPaul Bolleconfig FW_SNIPROM 1387231a35d3SThomas Bogendoerfer bool 1388231a35d3SThomas Bogendoerfer 13891da177e4SLinus Torvaldsconfig BOOT_ELF32 13901da177e4SLinus Torvalds bool 13911da177e4SLinus Torvalds 1392930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1393930beb5aSFlorian Fainelli bool 1394930beb5aSFlorian Fainelli 1395930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1396930beb5aSFlorian Fainelli bool 1397930beb5aSFlorian Fainelli 1398930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1399930beb5aSFlorian Fainelli bool 1400930beb5aSFlorian Fainelli 1401930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1402930beb5aSFlorian Fainelli bool 1403930beb5aSFlorian Fainelli 14041da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 14051da177e4SLinus Torvalds int 1406a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 14075432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 14085432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 14095432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 14101da177e4SLinus Torvalds default "5" 14111da177e4SLinus Torvalds 14121da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 14131da177e4SLinus Torvalds bool 14141da177e4SLinus Torvalds 1415e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1416e9422427SThomas Bogendoerfer bool 1417e9422427SThomas Bogendoerfer 14181da177e4SLinus Torvaldsconfig ARC_CONSOLE 14191da177e4SLinus Torvalds bool "ARC console support" 1420e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 14211da177e4SLinus Torvalds 14221da177e4SLinus Torvaldsconfig ARC_MEMORY 14231da177e4SLinus Torvalds bool 14241da177e4SLinus Torvalds 14251da177e4SLinus Torvaldsconfig ARC_PROMLIB 14261da177e4SLinus Torvalds bool 14271da177e4SLinus Torvalds 14280e2794b0SRalf Baechleconfig FW_ARC64 14291da177e4SLinus Torvalds bool 14301da177e4SLinus Torvalds 14311da177e4SLinus Torvaldsconfig BOOT_ELF64 14321da177e4SLinus Torvalds bool 14331da177e4SLinus Torvalds 14341da177e4SLinus Torvaldsmenu "CPU selection" 14351da177e4SLinus Torvalds 14361da177e4SLinus Torvaldschoice 14371da177e4SLinus Torvalds prompt "CPU type" 14381da177e4SLinus Torvalds default CPU_R4X00 14391da177e4SLinus Torvalds 1440268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1441caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1442268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1443d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 14440e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 14450e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 14460e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 14477507445bSHuacai Chen select CPU_SUPPORTS_MSA 1448932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 14490e476d91SHuacai Chen select WEAK_ORDERING 14500e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 14517507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1452b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 145317c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1454d30a2b47SLinus Walleij select GPIOLIB 145509230cbcSChristoph Hellwig select SWIOTLB 14560e476d91SHuacai Chen help 1457caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1458caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1459caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1460caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1461caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 14620e476d91SHuacai Chen 1463caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1464caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 14651e820da3SHuacai Chen default n 14661e820da3SHuacai Chen select CPU_MIPSR2 14671e820da3SHuacai Chen select CPU_HAS_PREFETCH 1468268a2d60SJiaxun Yang depends on CPU_LOONGSON64 14691e820da3SHuacai Chen help 1470caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 14711e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1472268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14731e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14741e820da3SHuacai Chen Fast TLB refill support, etc. 14751e820da3SHuacai Chen 14761e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14771e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14781e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1479caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 14801e820da3SHuacai Chen 1481e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1482caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1483e02e07e3SHuacai Chen default y if SMP 1484268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1485e02e07e3SHuacai Chen help 1486caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1487e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1488e02e07e3SHuacai Chen 1489caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1490e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1491e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1492e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1493e02e07e3SHuacai Chen 1494e02e07e3SHuacai Chen If unsure, please say Y. 1495e02e07e3SHuacai Chen 14963702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14973702bba5SWu Zhangjin bool "Loongson 2E" 14983702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1499268a2d60SJiaxun Yang select CPU_LOONGSON2EF 15002a21c730SFuxin Zhang help 15012a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 15022a21c730SFuxin Zhang with many extensions. 15032a21c730SFuxin Zhang 150425985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 15056f7a251aSWu Zhangjin bonito64. 15066f7a251aSWu Zhangjin 15076f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 15086f7a251aSWu Zhangjin bool "Loongson 2F" 15096f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1510268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1511d30a2b47SLinus Walleij select GPIOLIB 15126f7a251aSWu Zhangjin help 15136f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 15146f7a251aSWu Zhangjin with many extensions. 15156f7a251aSWu Zhangjin 15166f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 15176f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 15186f7a251aSWu Zhangjin Loongson2E. 15196f7a251aSWu Zhangjin 1520ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1521ca585cf9SKelvin Cheung bool "Loongson 1B" 1522ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1523b2afb64cSHuacai Chen select CPU_LOONGSON32 15249ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1525ca585cf9SKelvin Cheung help 1526ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1527968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1528968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1529ca585cf9SKelvin Cheung 153012e3280bSYang Lingconfig CPU_LOONGSON1C 153112e3280bSYang Ling bool "Loongson 1C" 153212e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1533b2afb64cSHuacai Chen select CPU_LOONGSON32 153412e3280bSYang Ling select LEDS_GPIO_REGISTER 153512e3280bSYang Ling help 153612e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1537968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1538968dc5a0S谢致邦 (XIE Zhibang) instruction set. 153912e3280bSYang Ling 15406e760c8dSRalf Baechleconfig CPU_MIPS32_R1 15416e760c8dSRalf Baechle bool "MIPS32 Release 1" 15427cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 15436e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1544932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1545797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1546ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15476e760c8dSRalf Baechle help 15485e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 15491e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15501e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15511e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15521e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15531e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 15541e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 15551e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 15561e5f1caaSRalf Baechle performance. 15571e5f1caaSRalf Baechle 15581e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15591e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15607cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15611e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1562932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1563797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1564ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1565a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15662235a54dSSanjay Lal select HAVE_KVM 15671e5f1caaSRalf Baechle help 15685e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15696e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15706e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15716e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15726e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15731da177e4SLinus Torvalds 15747fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1575674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15767fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15777fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15787fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15797fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15807fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15817fd08ca5SLeonid Yegoshin select HAVE_KVM 15827fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15837fd08ca5SLeonid Yegoshin help 15847fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15857fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15867fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15877fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15887fd08ca5SLeonid Yegoshin 15896e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15906e760c8dSRalf Baechle bool "MIPS64 Release 1" 15917cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1592797798c1SRalf Baechle select CPU_HAS_PREFETCH 1593932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1594ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1595ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1596ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15979cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15986e760c8dSRalf Baechle help 15996e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 16006e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16016e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16026e760c8dSRalf Baechle specific type of processor in your system, choose those that one 16036e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16041e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 16051e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 16061e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 16071e5f1caaSRalf Baechle performance. 16081e5f1caaSRalf Baechle 16091e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 16101e5f1caaSRalf Baechle bool "MIPS64 Release 2" 16117cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1612797798c1SRalf Baechle select CPU_HAS_PREFETCH 1613932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16141e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16151e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1616ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16179cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1618a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 161940a2df49SJames Hogan select HAVE_KVM 16201e5f1caaSRalf Baechle help 16211e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 16221e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16231e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16241e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 16251e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16261da177e4SLinus Torvalds 16277fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1628674d10e2SMarkos Chandras bool "MIPS64 Release 6" 16297fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 16307fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 16317fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 16327fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 16337fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1634afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 16357fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16362e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 163740a2df49SJames Hogan select HAVE_KVM 16387fd08ca5SLeonid Yegoshin help 16397fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16407fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16417fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16427fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16437fd08ca5SLeonid Yegoshin 16441da177e4SLinus Torvaldsconfig CPU_R3000 16451da177e4SLinus Torvalds bool "R3000" 16467cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1647f7062ddbSRalf Baechle select CPU_HAS_WB 1648932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 164954746829SPaul Burton select CPU_R3K_TLB 1650ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1651797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16521da177e4SLinus Torvalds help 16531da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16541da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16551da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16561da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16571da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16581da177e4SLinus Torvalds try to recompile with R3000. 16591da177e4SLinus Torvalds 16601da177e4SLinus Torvaldsconfig CPU_TX39XX 16611da177e4SLinus Torvalds bool "R39XX" 16627cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1663ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1664932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 166554746829SPaul Burton select CPU_R3K_TLB 16661da177e4SLinus Torvalds 16671da177e4SLinus Torvaldsconfig CPU_VR41XX 16681da177e4SLinus Torvalds bool "R41xx" 16697cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1670ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1671ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1672932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16731da177e4SLinus Torvalds help 16745e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16751da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16761da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16771da177e4SLinus Torvalds processor or vice versa. 16781da177e4SLinus Torvalds 16791da177e4SLinus Torvaldsconfig CPU_R4X00 16801da177e4SLinus Torvalds bool "R4x00" 16817cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1682ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1683ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1684970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1685932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16861da177e4SLinus Torvalds help 16871da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16881da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16891da177e4SLinus Torvalds 16901da177e4SLinus Torvaldsconfig CPU_TX49XX 16911da177e4SLinus Torvalds bool "R49XX" 16927cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1693de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1694932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1695ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1696ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1697970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16981da177e4SLinus Torvalds 16991da177e4SLinus Torvaldsconfig CPU_R5000 17001da177e4SLinus Torvalds bool "R5000" 17017cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1702ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1703ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1704970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1705932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17061da177e4SLinus Torvalds help 17071da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 17081da177e4SLinus Torvalds 1709542c1020SShinya Kuribayashiconfig CPU_R5500 1710542c1020SShinya Kuribayashi bool "R5500" 1711542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1712542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1713542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 17149cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1715932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1716542c1020SShinya Kuribayashi help 1717542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1718542c1020SShinya Kuribayashi instruction set. 1719542c1020SShinya Kuribayashi 17201da177e4SLinus Torvaldsconfig CPU_NEVADA 17211da177e4SLinus Torvalds bool "RM52xx" 17227cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1723ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1724ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1725970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1726932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17271da177e4SLinus Torvalds help 17281da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 17291da177e4SLinus Torvalds 17301da177e4SLinus Torvaldsconfig CPU_R10000 17311da177e4SLinus Torvalds bool "R10000" 17327cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 17335e83d430SRalf Baechle select CPU_HAS_PREFETCH 1734932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1735ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1736ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1737797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1738970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17391da177e4SLinus Torvalds help 17401da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17411da177e4SLinus Torvalds 17421da177e4SLinus Torvaldsconfig CPU_RM7000 17431da177e4SLinus Torvalds bool "RM7000" 17447cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17455e83d430SRalf Baechle select CPU_HAS_PREFETCH 1746932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1747ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1748ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1749797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1750970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17511da177e4SLinus Torvalds 17521da177e4SLinus Torvaldsconfig CPU_SB1 17531da177e4SLinus Torvalds bool "SB1" 17547cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1755932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1756ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1757ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1758797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1759970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17600004a9dfSRalf Baechle select WEAK_ORDERING 17611da177e4SLinus Torvalds 1762a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1763a86c7f72SDavid Daney bool "Cavium Octeon processor" 17645e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1765a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1766932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1767a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1768a86c7f72SDavid Daney select WEAK_ORDERING 1769a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17709cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1771df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1772df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1773930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17740ae3abcdSJames Hogan select HAVE_KVM 1775a86c7f72SDavid Daney help 1776a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1777a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1778a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1779a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1780a86c7f72SDavid Daney 1781cd746249SJonas Gorskiconfig CPU_BMIPS 1782cd746249SJonas Gorski bool "Broadcom BMIPS" 1783cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1784cd746249SJonas Gorski select CPU_MIPS32 1785fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1786cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1787cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1788cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1789cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1790cd746249SJonas Gorski select DMA_NONCOHERENT 179167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1792cd746249SJonas Gorski select SWAP_IO_SPACE 1793cd746249SJonas Gorski select WEAK_ORDERING 1794c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 179569aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1796932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 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 1805932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18067f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18077f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18087f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1809970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18107f058e85SJayachandran C select WEAK_ORDERING 18117f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18127f058e85SJayachandran C help 18137f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 18141c773ea4SJayachandran C 18151c773ea4SJayachandran Cconfig CPU_XLP 18161c773ea4SJayachandran C bool "Netlogic XLP SoC" 18171c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 18181c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18191c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18201c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 18211c773ea4SJayachandran C select WEAK_ORDERING 18221c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18231c773ea4SJayachandran C select CPU_HAS_PREFETCH 1824932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1825d6504846SJayachandran C select CPU_MIPSR2 1826ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 18272db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 18281c773ea4SJayachandran C help 18291c773ea4SJayachandran C Netlogic Microsystems XLP processors. 18301da177e4SLinus Torvaldsendchoice 18311da177e4SLinus Torvalds 1832a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1833a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1834a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 18357fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1836a6e18781SLeonid Yegoshin help 1837a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1838a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1839a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1840a6e18781SLeonid Yegoshin 1841a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1842a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1843a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1844a6e18781SLeonid Yegoshin select EVA 1845a6e18781SLeonid Yegoshin default y 1846a6e18781SLeonid Yegoshin help 1847a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1848a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1849a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1850a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1851a6e18781SLeonid Yegoshin 1852c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1853c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1854c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1855c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1856c5b36783SSteven J. Hill help 1857c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1858c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1859c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1860c5b36783SSteven J. Hill 1861c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1862c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1863c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1864c5b36783SSteven J. Hill depends on !EVA 1865c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1866c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1867c5b36783SSteven J. Hill select XPA 1868c5b36783SSteven J. Hill select HIGHMEM 1869d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1870c5b36783SSteven J. Hill default n 1871c5b36783SSteven J. Hill help 1872c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1873c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1874c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1875c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1876c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1877c5b36783SSteven J. Hill If unsure, say 'N' here. 1878c5b36783SSteven J. Hill 1879622844bfSWu Zhangjinif CPU_LOONGSON2F 1880622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1881622844bfSWu Zhangjin bool 1882622844bfSWu Zhangjin 1883622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1884622844bfSWu Zhangjin bool 1885622844bfSWu Zhangjin 1886622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1887622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1888622844bfSWu Zhangjin default y 1889622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1890622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1891622844bfSWu Zhangjin help 1892622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1893622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1894622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1895622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1896622844bfSWu Zhangjin 1897622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1898622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1899622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1900622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1901622844bfSWu Zhangjin systems. 1902622844bfSWu Zhangjin 1903622844bfSWu Zhangjin If unsure, please say Y. 1904622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1905622844bfSWu Zhangjin 19061b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 19071b93b3c3SWu Zhangjin bool 19081b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 19091b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 191031c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 19111b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1912fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 19134e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 19141b93b3c3SWu Zhangjin 19151b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 19161b93b3c3SWu Zhangjin bool 19171b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 19181b93b3c3SWu Zhangjin 1919dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1920dbb98314SAlban Bedel bool 1921dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1922dbb98314SAlban Bedel 1923268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 19243702bba5SWu Zhangjin bool 19253702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 19263702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 19273702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1928970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1929e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1930932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 19313702bba5SWu Zhangjin 1932b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1933ca585cf9SKelvin Cheung bool 1934ca585cf9SKelvin Cheung select CPU_MIPS32 19357e280f6bSJiaxun Yang select CPU_MIPSR2 1936ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1937932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1938ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1939ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1940f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1941ca585cf9SKelvin Cheung 1942fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 194304fa8bf7SJonas Gorski select SMP_UP if SMP 19441bbb6c1bSKevin Cernekee bool 1945cd746249SJonas Gorski 1946cd746249SJonas Gorskiconfig CPU_BMIPS4350 1947cd746249SJonas Gorski bool 1948cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1949cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1950cd746249SJonas Gorski 1951cd746249SJonas Gorskiconfig CPU_BMIPS4380 1952cd746249SJonas Gorski bool 1953bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1954cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1955cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1956b4720809SFlorian Fainelli select CPU_HAS_RIXI 1957cd746249SJonas Gorski 1958cd746249SJonas Gorskiconfig CPU_BMIPS5000 1959cd746249SJonas Gorski bool 1960cd746249SJonas Gorski select MIPS_CPU_SCACHE 1961bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1962cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1963cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1964b4720809SFlorian Fainelli select CPU_HAS_RIXI 19651bbb6c1bSKevin Cernekee 1966268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19670e476d91SHuacai Chen bool 19680e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1969b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19700e476d91SHuacai Chen 19713702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19722a21c730SFuxin Zhang bool 19732a21c730SFuxin Zhang 19746f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19756f7a251aSWu Zhangjin bool 197655045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 197755045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 19786f7a251aSWu Zhangjin 1979ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1980ca585cf9SKelvin Cheung bool 1981ca585cf9SKelvin Cheung 198212e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 198312e3280bSYang Ling bool 198412e3280bSYang Ling 19857cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19867cf8053bSRalf Baechle bool 19877cf8053bSRalf Baechle 19887cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19897cf8053bSRalf Baechle bool 19907cf8053bSRalf Baechle 1991a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1992a6e18781SLeonid Yegoshin bool 1993a6e18781SLeonid Yegoshin 1994c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1995c5b36783SSteven J. Hill bool 19969ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1997c5b36783SSteven J. Hill 19987fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19997fd08ca5SLeonid Yegoshin bool 20009ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20017fd08ca5SLeonid Yegoshin 20027cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 20037cf8053bSRalf Baechle bool 20047cf8053bSRalf Baechle 20057cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 20067cf8053bSRalf Baechle bool 20077cf8053bSRalf Baechle 20087fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 20097fd08ca5SLeonid Yegoshin bool 20109ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20117fd08ca5SLeonid Yegoshin 20127cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 20137cf8053bSRalf Baechle bool 20147cf8053bSRalf Baechle 20157cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 20167cf8053bSRalf Baechle bool 20177cf8053bSRalf Baechle 20187cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 20197cf8053bSRalf Baechle bool 20207cf8053bSRalf Baechle 20217cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 20227cf8053bSRalf Baechle bool 20237cf8053bSRalf Baechle 20247cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 20257cf8053bSRalf Baechle bool 20267cf8053bSRalf Baechle 20277cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 20287cf8053bSRalf Baechle bool 20297cf8053bSRalf Baechle 2030542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 2031542c1020SShinya Kuribayashi bool 2032542c1020SShinya Kuribayashi 20337cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 20347cf8053bSRalf Baechle bool 20357cf8053bSRalf Baechle 20367cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20377cf8053bSRalf Baechle bool 20389ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20397cf8053bSRalf Baechle 20407cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20417cf8053bSRalf Baechle bool 20427cf8053bSRalf Baechle 20437cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20447cf8053bSRalf Baechle bool 20457cf8053bSRalf Baechle 20465e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20475e683389SDavid Daney bool 20485e683389SDavid Daney 2049cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2050c1c0c461SKevin Cernekee bool 2051c1c0c461SKevin Cernekee 2052fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2053c1c0c461SKevin Cernekee bool 2054cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2055c1c0c461SKevin Cernekee 2056c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2057c1c0c461SKevin Cernekee bool 2058cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2059c1c0c461SKevin Cernekee 2060c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2061c1c0c461SKevin Cernekee bool 2062cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2063c1c0c461SKevin Cernekee 2064c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2065c1c0c461SKevin Cernekee bool 2066cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2067f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2068c1c0c461SKevin Cernekee 20697f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20707f058e85SJayachandran C bool 20717f058e85SJayachandran C 20721c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20731c773ea4SJayachandran C bool 20741c773ea4SJayachandran C 207517099b11SRalf Baechle# 207617099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 207717099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 207817099b11SRalf Baechle# 20790004a9dfSRalf Baechleconfig WEAK_ORDERING 20800004a9dfSRalf Baechle bool 208117099b11SRalf Baechle 208217099b11SRalf Baechle# 208317099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 208417099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 208517099b11SRalf Baechle# 208617099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 208717099b11SRalf Baechle bool 20885e83d430SRalf Baechleendmenu 20895e83d430SRalf Baechle 20905e83d430SRalf Baechle# 20915e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20925e83d430SRalf Baechle# 20935e83d430SRalf Baechleconfig CPU_MIPS32 20945e83d430SRalf Baechle bool 20957fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20965e83d430SRalf Baechle 20975e83d430SRalf Baechleconfig CPU_MIPS64 20985e83d430SRalf Baechle bool 20997fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 21005e83d430SRalf Baechle 21015e83d430SRalf Baechle# 210257eeacedSPaul Burton# These indicate the revision of the architecture 21035e83d430SRalf Baechle# 21045e83d430SRalf Baechleconfig CPU_MIPSR1 21055e83d430SRalf Baechle bool 21065e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 21075e83d430SRalf Baechle 21085e83d430SRalf Baechleconfig CPU_MIPSR2 21095e83d430SRalf Baechle bool 2110a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 21118256b17eSFlorian Fainelli select CPU_HAS_RIXI 2112a7e07b1aSMarkos Chandras select MIPS_SPRAM 21135e83d430SRalf Baechle 21147fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 21157fd08ca5SLeonid Yegoshin bool 21167fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 21178256b17eSFlorian Fainelli select CPU_HAS_RIXI 211887321fddSPaul Burton select HAVE_ARCH_BITREVERSE 21192db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 21204a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2121a7e07b1aSMarkos Chandras select MIPS_SPRAM 21225e83d430SRalf Baechle 212357eeacedSPaul Burtonconfig TARGET_ISA_REV 212457eeacedSPaul Burton int 212557eeacedSPaul Burton default 1 if CPU_MIPSR1 212657eeacedSPaul Burton default 2 if CPU_MIPSR2 212757eeacedSPaul Burton default 6 if CPU_MIPSR6 212857eeacedSPaul Burton default 0 212957eeacedSPaul Burton help 213057eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 213157eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 213257eeacedSPaul Burton 2133a6e18781SLeonid Yegoshinconfig EVA 2134a6e18781SLeonid Yegoshin bool 2135a6e18781SLeonid Yegoshin 2136c5b36783SSteven J. Hillconfig XPA 2137c5b36783SSteven J. Hill bool 2138c5b36783SSteven J. Hill 21395e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21405e83d430SRalf Baechle bool 21415e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21425e83d430SRalf Baechle bool 21435e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21445e83d430SRalf Baechle bool 21455e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21465e83d430SRalf Baechle bool 214755045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 214855045ff5SWu Zhangjin bool 214955045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 215055045ff5SWu Zhangjin bool 21519cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21529cffd154SDavid Daney bool 2153171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 215482622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 215582622284SDavid Daney bool 2156cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21575e83d430SRalf Baechle 21588192c9eaSDavid Daney# 21598192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21608192c9eaSDavid Daney# 21618192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21628192c9eaSDavid Daney bool 2163679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21648192c9eaSDavid Daney 21655e83d430SRalf Baechlemenu "Kernel type" 21665e83d430SRalf Baechle 21675e83d430SRalf Baechlechoice 21685e83d430SRalf Baechle prompt "Kernel code model" 21695e83d430SRalf Baechle help 21705e83d430SRalf Baechle You should only select this option if you have a workload that 21715e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21725e83d430SRalf Baechle large memory. You will only be presented a single option in this 21735e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21745e83d430SRalf Baechle 21755e83d430SRalf Baechleconfig 32BIT 21765e83d430SRalf Baechle bool "32-bit kernel" 21775e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21785e83d430SRalf Baechle select TRAD_SIGNALS 21795e83d430SRalf Baechle help 21805e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2181f17c4ca3SRalf Baechle 21825e83d430SRalf Baechleconfig 64BIT 21835e83d430SRalf Baechle bool "64-bit kernel" 21845e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21855e83d430SRalf Baechle help 21865e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21875e83d430SRalf Baechle 21885e83d430SRalf Baechleendchoice 21895e83d430SRalf Baechle 21902235a54dSSanjay Lalconfig KVM_GUEST 21912235a54dSSanjay Lal bool "KVM Guest Kernel" 2192f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21932235a54dSSanjay Lal help 2194caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2195caa1faa7SJames Hogan mode. 21962235a54dSSanjay Lal 2197eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2198eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21992235a54dSSanjay Lal depends on KVM_GUEST 2200eda3d33cSJames Hogan default 100 22012235a54dSSanjay Lal help 2202eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2203eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2204eda3d33cSJames Hogan timer frequency is specified directly. 22052235a54dSSanjay Lal 22061e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 22071e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 22081e321fa9SLeonid Yegoshin depends on 64BIT 22091e321fa9SLeonid Yegoshin help 22103377e227SAlex Belits Support a maximum at least 48 bits of application virtual 22113377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 22123377e227SAlex Belits For page sizes 16k and above, this option results in a small 22133377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 22143377e227SAlex Belits level of page tables is added which imposes both a memory 22153377e227SAlex Belits overhead as well as slower TLB fault handling. 22163377e227SAlex Belits 22171e321fa9SLeonid Yegoshin If unsure, say N. 22181e321fa9SLeonid Yegoshin 22191da177e4SLinus Torvaldschoice 22201da177e4SLinus Torvalds prompt "Kernel page size" 22211da177e4SLinus Torvalds default PAGE_SIZE_4KB 22221da177e4SLinus Torvalds 22231da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 22241da177e4SLinus Torvalds bool "4kB" 2225268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 22261da177e4SLinus Torvalds help 22271da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 22281da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 22291da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 22301da177e4SLinus Torvalds recommended for low memory systems. 22311da177e4SLinus Torvalds 22321da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22331da177e4SLinus Torvalds bool "8kB" 2234c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22351e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22361da177e4SLinus Torvalds help 22371da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22381da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2239c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2240c2aeaaeaSPaul Burton distribution to support this. 22411da177e4SLinus Torvalds 22421da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22431da177e4SLinus Torvalds bool "16kB" 2244714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22451da177e4SLinus Torvalds help 22461da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22471da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2248714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2249714bfad6SRalf Baechle Linux distribution to support this. 22501da177e4SLinus Torvalds 2251c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2252c52399beSRalf Baechle bool "32kB" 2253c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22541e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2255c52399beSRalf Baechle help 2256c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2257c52399beSRalf Baechle the price of higher memory consumption. This option is available 2258c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2259c52399beSRalf Baechle distribution to support this. 2260c52399beSRalf Baechle 22611da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22621da177e4SLinus Torvalds bool "64kB" 22633b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22641da177e4SLinus Torvalds help 22651da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22661da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22671da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2268714bfad6SRalf Baechle writing this option is still high experimental. 22691da177e4SLinus Torvalds 22701da177e4SLinus Torvaldsendchoice 22711da177e4SLinus Torvalds 2272c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2273c9bace7cSDavid Daney int "Maximum zone order" 2274e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2275e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2276e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2277e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2278e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2279e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2280c9bace7cSDavid Daney range 11 64 2281c9bace7cSDavid Daney default "11" 2282c9bace7cSDavid Daney help 2283c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2284c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2285c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2286c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2287c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2288c9bace7cSDavid Daney increase this value. 2289c9bace7cSDavid Daney 2290c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2291c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2292c9bace7cSDavid Daney 2293c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2294c9bace7cSDavid Daney when choosing a value for this option. 2295c9bace7cSDavid Daney 22961da177e4SLinus Torvaldsconfig BOARD_SCACHE 22971da177e4SLinus Torvalds bool 22981da177e4SLinus Torvalds 22991da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 23001da177e4SLinus Torvalds bool 23011da177e4SLinus Torvalds select BOARD_SCACHE 23021da177e4SLinus Torvalds 23039318c51aSChris Dearman# 23049318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 23059318c51aSChris Dearman# 23069318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 23079318c51aSChris Dearman bool 23089318c51aSChris Dearman select BOARD_SCACHE 23099318c51aSChris Dearman 23101da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 23111da177e4SLinus Torvalds bool 23121da177e4SLinus Torvalds select BOARD_SCACHE 23131da177e4SLinus Torvalds 23141da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 23151da177e4SLinus Torvalds bool 23161da177e4SLinus Torvalds select BOARD_SCACHE 23171da177e4SLinus Torvalds 23181da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 23191da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 23201da177e4SLinus Torvalds depends on CPU_SB1 23211da177e4SLinus Torvalds help 23221da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 23231da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 23241da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 23251da177e4SLinus Torvalds 23261da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2327c8094b53SRalf Baechle bool 23281da177e4SLinus Torvalds 23293165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 23303165c846SFlorian Fainelli bool 2331c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 23323165c846SFlorian Fainelli 2333c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2334183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2335183b40f9SPaul Burton default y 2336183b40f9SPaul Burton help 2337183b40f9SPaul Burton Select y to include support for floating point in the kernel 2338183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2339183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2340183b40f9SPaul Burton userland program attempting to use floating point instructions will 2341183b40f9SPaul Burton receive a SIGILL. 2342183b40f9SPaul Burton 2343183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2344183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2345183b40f9SPaul Burton 2346183b40f9SPaul Burton If unsure, say y. 2347c92e47e5SPaul Burton 234897f7dcbfSPaul Burtonconfig CPU_R2300_FPU 234997f7dcbfSPaul Burton bool 2350c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 235197f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 235297f7dcbfSPaul Burton 235354746829SPaul Burtonconfig CPU_R3K_TLB 235454746829SPaul Burton bool 235554746829SPaul Burton 235691405eb6SFlorian Fainelliconfig CPU_R4K_FPU 235791405eb6SFlorian Fainelli bool 2358c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 235997f7dcbfSPaul Burton default y if !CPU_R2300_FPU 236091405eb6SFlorian Fainelli 236162cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 236262cedc4fSFlorian Fainelli bool 236354746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 236462cedc4fSFlorian Fainelli 236559d6ab86SRalf Baechleconfig MIPS_MT_SMP 2366a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23675cbf9688SPaul Burton default y 2368527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 236959d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2370d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2371c080faa5SSteven J. Hill select SYNC_R4K 237259d6ab86SRalf Baechle select MIPS_MT 237359d6ab86SRalf Baechle select SMP 237487353d8aSRalf Baechle select SMP_UP 2375c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2376c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2377399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 237859d6ab86SRalf Baechle help 2379c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2380c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2381c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2382c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2383c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 238459d6ab86SRalf Baechle 2385f41ae0b2SRalf Baechleconfig MIPS_MT 2386f41ae0b2SRalf Baechle bool 2387f41ae0b2SRalf Baechle 23880ab7aefcSRalf Baechleconfig SCHED_SMT 23890ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23900ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23910ab7aefcSRalf Baechle default n 23920ab7aefcSRalf Baechle help 23930ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23940ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23950ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23960ab7aefcSRalf Baechle 23970ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23980ab7aefcSRalf Baechle bool 23990ab7aefcSRalf Baechle 2400f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2401f41ae0b2SRalf Baechle bool 2402f41ae0b2SRalf Baechle 2403f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2404f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2405f088fc84SRalf Baechle default y 2406b633648cSRalf Baechle depends on MIPS_MT_SMP 240707cc0c9eSRalf Baechle 2408b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2409b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 24109eaa9a82SPaul Burton depends on CPU_MIPSR6 2411c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2412b0a668fbSLeonid Yegoshin default y 2413b0a668fbSLeonid Yegoshin help 2414b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2415b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 241607edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2417b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2418b0a668fbSLeonid Yegoshin final kernel image. 2419b0a668fbSLeonid Yegoshin 2420f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2421f35764e7SJames Hogan bool 2422f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2423f35764e7SJames Hogan help 2424f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2425f35764e7SJames Hogan physical_memsize. 2426f35764e7SJames Hogan 242707cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 242807cc0c9eSRalf Baechle bool "VPE loader support." 2429f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 243007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 243107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 243207cc0c9eSRalf Baechle select MIPS_MT 243307cc0c9eSRalf Baechle help 243407cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 243507cc0c9eSRalf Baechle onto another VPE and running it. 2436f088fc84SRalf Baechle 243717a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 243817a1d523SDeng-Cheng Zhu bool 243917a1d523SDeng-Cheng Zhu default "y" 244017a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 244117a1d523SDeng-Cheng Zhu 24421a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24431a2a6d7eSDeng-Cheng Zhu bool 24441a2a6d7eSDeng-Cheng Zhu default "y" 24451a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24461a2a6d7eSDeng-Cheng Zhu 2447e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2448e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2449e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2450e01402b1SRalf Baechle default y 2451e01402b1SRalf Baechle help 2452e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2453e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2454e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2455e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2456e01402b1SRalf Baechle 2457e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2458e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2459e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2460e01402b1SRalf Baechle 2461da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2462da615cf6SDeng-Cheng Zhu bool 2463da615cf6SDeng-Cheng Zhu default "y" 2464da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2465da615cf6SDeng-Cheng Zhu 24662c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24672c973ef0SDeng-Cheng Zhu bool 24682c973ef0SDeng-Cheng Zhu default "y" 24692c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24702c973ef0SDeng-Cheng Zhu 24714a16ff4cSRalf Baechleconfig MIPS_CMP 24725cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24735676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2474b10b43baSMarkos Chandras select SMP 2475eb9b5141STim Anderson select SYNC_R4K 2476b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24774a16ff4cSRalf Baechle select WEAK_ORDERING 24784a16ff4cSRalf Baechle default n 24794a16ff4cSRalf Baechle help 2480044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2481044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2482044505c7SPaul Burton its ability to start secondary CPUs. 24834a16ff4cSRalf Baechle 24845cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24855cac93b3SPaul Burton instead of this. 24865cac93b3SPaul Burton 24870ee958e1SPaul Burtonconfig MIPS_CPS 24880ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24895a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24900ee958e1SPaul Burton select MIPS_CM 24911d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24920ee958e1SPaul Burton select SMP 24930ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24941d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2495c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24960ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24970ee958e1SPaul Burton select WEAK_ORDERING 24980ee958e1SPaul Burton help 24990ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 25000ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 25010ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 25020ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 25030ee958e1SPaul Burton support is unavailable. 25040ee958e1SPaul Burton 25053179d37eSPaul Burtonconfig MIPS_CPS_PM 250639a59593SMarkos Chandras depends on MIPS_CPS 25073179d37eSPaul Burton bool 25083179d37eSPaul Burton 25099f98f3ddSPaul Burtonconfig MIPS_CM 25109f98f3ddSPaul Burton bool 25113c9b4166SPaul Burton select MIPS_CPC 25129f98f3ddSPaul Burton 25139c38cf44SPaul Burtonconfig MIPS_CPC 25149c38cf44SPaul Burton bool 25152600990eSRalf Baechle 25161da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 25171da177e4SLinus Torvalds bool 25181da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 25191da177e4SLinus Torvalds default y 25201da177e4SLinus Torvalds 25211da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 25221da177e4SLinus Torvalds bool 25231da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 25241da177e4SLinus Torvalds default y 25251da177e4SLinus Torvalds 25269e2b5372SMarkos Chandraschoice 25279e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 25289e2b5372SMarkos Chandras 25299e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 25309e2b5372SMarkos Chandras bool "None" 25319e2b5372SMarkos Chandras help 25329e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25339e2b5372SMarkos Chandras 25349693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25359693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25369e2b5372SMarkos Chandras bool "SmartMIPS" 25379693a853SFranck Bui-Huu help 25389693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25399693a853SFranck Bui-Huu increased security at both hardware and software level for 25409693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25419693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25429693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25439693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25449693a853SFranck Bui-Huu here. 25459693a853SFranck Bui-Huu 2546bce86083SSteven J. Hillconfig CPU_MICROMIPS 25477fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25489e2b5372SMarkos Chandras bool "microMIPS" 2549bce86083SSteven J. Hill help 2550bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2551bce86083SSteven J. Hill microMIPS ISA 2552bce86083SSteven J. Hill 25539e2b5372SMarkos Chandrasendchoice 25549e2b5372SMarkos Chandras 2555a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25560ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2557a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2558c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25592a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2560a5e9a69eSPaul Burton help 2561a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2562a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25631db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25641db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25651db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25661db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25671db1af84SPaul Burton the size & complexity of your kernel. 2568a5e9a69eSPaul Burton 2569a5e9a69eSPaul Burton If unsure, say Y. 2570a5e9a69eSPaul Burton 25711da177e4SLinus Torvaldsconfig CPU_HAS_WB 2572f7062ddbSRalf Baechle bool 2573e01402b1SRalf Baechle 2574df0ac8a4SKevin Cernekeeconfig XKS01 2575df0ac8a4SKevin Cernekee bool 2576df0ac8a4SKevin Cernekee 25778256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25788256b17eSFlorian Fainelli bool 25798256b17eSFlorian Fainelli 2580932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2581932afdeeSYasha Cherikovsky bool 2582932afdeeSYasha Cherikovsky help 2583932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2584932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2585932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2586932afdeeSYasha Cherikovsky 2587f41ae0b2SRalf Baechle# 2588f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2589f41ae0b2SRalf Baechle# 2590e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2591f41ae0b2SRalf Baechle bool 2592e01402b1SRalf Baechle 2593f41ae0b2SRalf Baechle# 2594f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2595f41ae0b2SRalf Baechle# 2596e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2597f41ae0b2SRalf Baechle bool 2598e01402b1SRalf Baechle 25991da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 26001da177e4SLinus Torvalds bool 26011da177e4SLinus Torvalds depends on !CPU_R3000 26021da177e4SLinus Torvalds default y 26031da177e4SLinus Torvalds 26041da177e4SLinus Torvalds# 260520d60d99SMaciej W. Rozycki# CPU non-features 260620d60d99SMaciej W. Rozycki# 260720d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 260820d60d99SMaciej W. Rozycki bool 260920d60d99SMaciej W. Rozycki 261020d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 261120d60d99SMaciej W. Rozycki bool 261220d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 261320d60d99SMaciej W. Rozycki 261420d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 261520d60d99SMaciej W. Rozycki bool 261620d60d99SMaciej W. Rozycki 2617071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2618071d2f0bSPaul Burton bool 2619071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2620071d2f0bSPaul Burton 26214edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 26224edf00a4SPaul Burton int 26234edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26244edf00a4SPaul Burton default 0 26254edf00a4SPaul Burton 26264edf00a4SPaul Burtonconfig MIPS_ASID_BITS 26274edf00a4SPaul Burton int 26282db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 26294edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26304edf00a4SPaul Burton default 8 26314edf00a4SPaul Burton 26322db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26332db003a5SPaul Burton bool 26342db003a5SPaul Burton 26354a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26364a5dc51eSMarcin Nowakowski bool 26374a5dc51eSMarcin Nowakowski 263820d60d99SMaciej W. Rozycki# 26391da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26401da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26411da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26421da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26431da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26441da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26451da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26461da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2647797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2648797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2649797798c1SRalf Baechle# support. 26501da177e4SLinus Torvalds# 26511da177e4SLinus Torvaldsconfig HIGHMEM 26521da177e4SLinus Torvalds bool "High Memory Support" 2653a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2654797798c1SRalf Baechle 2655797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2656797798c1SRalf Baechle bool 2657797798c1SRalf Baechle 2658797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2659797798c1SRalf Baechle bool 26601da177e4SLinus Torvalds 26619693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26629693a853SFranck Bui-Huu bool 26639693a853SFranck Bui-Huu 2664a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2665a6a4834cSSteven J. Hill bool 2666a6a4834cSSteven J. Hill 2667377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2668377cb1b6SRalf Baechle bool 2669377cb1b6SRalf Baechle help 2670377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2671377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2672377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2673377cb1b6SRalf Baechle 2674a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2675a5e9a69eSPaul Burton bool 2676a5e9a69eSPaul Burton 2677b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2678b4819b59SYoichi Yuasa def_bool y 2679268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2680b4819b59SYoichi Yuasa 2681b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2682b1c6cd42SAtsushi Nemoto bool 2683397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 268431473747SAtsushi Nemoto 2685d8cb4e11SRalf Baechleconfig NUMA 2686d8cb4e11SRalf Baechle bool "NUMA Support" 2687d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2688d8cb4e11SRalf Baechle help 2689d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2690d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2691d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2692d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2693d8cb4e11SRalf Baechle disabled. 2694d8cb4e11SRalf Baechle 2695d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2696d8cb4e11SRalf Baechle bool 2697d8cb4e11SRalf Baechle 26988c530ea3SMatt Redfearnconfig RELOCATABLE 26998c530ea3SMatt Redfearn bool "Relocatable kernel" 27003ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 27018c530ea3SMatt Redfearn help 27028c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 27038c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 27048c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 27058c530ea3SMatt Redfearn but are discarded at runtime 27068c530ea3SMatt Redfearn 2707069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2708069fd766SMatt Redfearn hex "Relocation table size" 2709069fd766SMatt Redfearn depends on RELOCATABLE 2710069fd766SMatt Redfearn range 0x0 0x01000000 2711069fd766SMatt Redfearn default "0x00100000" 2712069fd766SMatt Redfearn ---help--- 2713069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2714069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2715069fd766SMatt Redfearn 2716069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2717069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2718069fd766SMatt Redfearn 2719069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2720069fd766SMatt Redfearn 2721069fd766SMatt Redfearn If unsure, leave at the default value. 2722069fd766SMatt Redfearn 2723405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2724405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2725405bc8fdSMatt Redfearn depends on RELOCATABLE 2726405bc8fdSMatt Redfearn ---help--- 2727405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2728405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2729405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2730405bc8fdSMatt Redfearn of kernel internals. 2731405bc8fdSMatt Redfearn 2732405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2733405bc8fdSMatt Redfearn 2734405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2735405bc8fdSMatt Redfearn 2736405bc8fdSMatt Redfearn If unsure, say N. 2737405bc8fdSMatt Redfearn 2738405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2739405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2740405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2741405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2742405bc8fdSMatt Redfearn range 0x0 0x08000000 2743405bc8fdSMatt Redfearn default "0x01000000" 2744405bc8fdSMatt Redfearn ---help--- 2745405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2746405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2747405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2748405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2749405bc8fdSMatt Redfearn 2750405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2751405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2752405bc8fdSMatt Redfearn 2753c80d79d7SYasunori Gotoconfig NODES_SHIFT 2754c80d79d7SYasunori Goto int 2755c80d79d7SYasunori Goto default "6" 2756c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2757c80d79d7SYasunori Goto 275814f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 275914f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2760268a2d60SJiaxun Yang depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 276114f70012SDeng-Cheng Zhu default y 276214f70012SDeng-Cheng Zhu help 276314f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 276414f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 276514f70012SDeng-Cheng Zhu 27661da177e4SLinus Torvaldsconfig SMP 27671da177e4SLinus Torvalds bool "Multi-Processing support" 2768e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2769e73ea273SRalf Baechle help 27701da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27714a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27724a474157SRobert Graffham than one CPU, say Y. 27731da177e4SLinus Torvalds 27744a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27751da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27761da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27774a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27781da177e4SLinus Torvalds will run faster if you say N here. 27791da177e4SLinus Torvalds 27801da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27811da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27821da177e4SLinus Torvalds 278303502faaSAdrian Bunk See also the SMP-HOWTO available at 278403502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27851da177e4SLinus Torvalds 27861da177e4SLinus Torvalds If you don't know what to do here, say N. 27871da177e4SLinus Torvalds 27887840d618SMatt Redfearnconfig HOTPLUG_CPU 27897840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27907840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27917840d618SMatt Redfearn help 27927840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27937840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27947840d618SMatt Redfearn (Note: power management support will enable this option 27957840d618SMatt Redfearn automatically on SMP systems. ) 27967840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27977840d618SMatt Redfearn 279887353d8aSRalf Baechleconfig SMP_UP 279987353d8aSRalf Baechle bool 280087353d8aSRalf Baechle 28014a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 28024a16ff4cSRalf Baechle bool 28034a16ff4cSRalf Baechle 28040ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 28050ee958e1SPaul Burton bool 28060ee958e1SPaul Burton 2807e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2808e73ea273SRalf Baechle bool 2809e73ea273SRalf Baechle 2810130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2811130e2fb7SRalf Baechle bool 2812130e2fb7SRalf Baechle 2813130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2814130e2fb7SRalf Baechle bool 2815130e2fb7SRalf Baechle 2816130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2817130e2fb7SRalf Baechle bool 2818130e2fb7SRalf Baechle 2819130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2820130e2fb7SRalf Baechle bool 2821130e2fb7SRalf Baechle 2822130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2823130e2fb7SRalf Baechle bool 2824130e2fb7SRalf Baechle 28251da177e4SLinus Torvaldsconfig NR_CPUS 2826a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2827a91796a9SJayachandran C range 2 256 28281da177e4SLinus Torvalds depends on SMP 2829130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2830130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2831130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2832130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2833130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28341da177e4SLinus Torvalds help 28351da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28361da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28371da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 283872ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 283972ede9b1SAtsushi Nemoto and 2 for all others. 28401da177e4SLinus Torvalds 28411da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 284272ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 284372ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 284472ede9b1SAtsushi Nemoto power of two. 28451da177e4SLinus Torvalds 2846399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2847399aaa25SAl Cooper bool 2848399aaa25SAl Cooper 28497820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28507820b84bSDavid Daney bool 28517820b84bSDavid Daney 28527820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28537820b84bSDavid Daney int 28547820b84bSDavid Daney depends on SMP 28557820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28567820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28577820b84bSDavid Daney 28581723b4a3SAtsushi Nemoto# 28591723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28601723b4a3SAtsushi Nemoto# 28611723b4a3SAtsushi Nemoto 28621723b4a3SAtsushi Nemotochoice 28631723b4a3SAtsushi Nemoto prompt "Timer frequency" 28641723b4a3SAtsushi Nemoto default HZ_250 28651723b4a3SAtsushi Nemoto help 28661723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28671723b4a3SAtsushi Nemoto 286867596573SPaul Burton config HZ_24 286967596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 287067596573SPaul Burton 28711723b4a3SAtsushi Nemoto config HZ_48 28720f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28731723b4a3SAtsushi Nemoto 28741723b4a3SAtsushi Nemoto config HZ_100 28751723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28761723b4a3SAtsushi Nemoto 28771723b4a3SAtsushi Nemoto config HZ_128 28781723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28791723b4a3SAtsushi Nemoto 28801723b4a3SAtsushi Nemoto config HZ_250 28811723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28821723b4a3SAtsushi Nemoto 28831723b4a3SAtsushi Nemoto config HZ_256 28841723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28851723b4a3SAtsushi Nemoto 28861723b4a3SAtsushi Nemoto config HZ_1000 28871723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28881723b4a3SAtsushi Nemoto 28891723b4a3SAtsushi Nemoto config HZ_1024 28901723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28911723b4a3SAtsushi Nemoto 28921723b4a3SAtsushi Nemotoendchoice 28931723b4a3SAtsushi Nemoto 289467596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 289567596573SPaul Burton bool 289667596573SPaul Burton 28971723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28981723b4a3SAtsushi Nemoto bool 28991723b4a3SAtsushi Nemoto 29001723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 29011723b4a3SAtsushi Nemoto bool 29021723b4a3SAtsushi Nemoto 29031723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 29041723b4a3SAtsushi Nemoto bool 29051723b4a3SAtsushi Nemoto 29061723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29071723b4a3SAtsushi Nemoto bool 29081723b4a3SAtsushi Nemoto 29091723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29101723b4a3SAtsushi Nemoto bool 29111723b4a3SAtsushi Nemoto 29121723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29131723b4a3SAtsushi Nemoto bool 29141723b4a3SAtsushi Nemoto 29151723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29161723b4a3SAtsushi Nemoto bool 29171723b4a3SAtsushi Nemoto 29181723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29191723b4a3SAtsushi Nemoto bool 292067596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 292167596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 292267596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 292367596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 292467596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 292567596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 292667596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29271723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29281723b4a3SAtsushi Nemoto 29291723b4a3SAtsushi Nemotoconfig HZ 29301723b4a3SAtsushi Nemoto int 293167596573SPaul Burton default 24 if HZ_24 29321723b4a3SAtsushi Nemoto default 48 if HZ_48 29331723b4a3SAtsushi Nemoto default 100 if HZ_100 29341723b4a3SAtsushi Nemoto default 128 if HZ_128 29351723b4a3SAtsushi Nemoto default 250 if HZ_250 29361723b4a3SAtsushi Nemoto default 256 if HZ_256 29371723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29381723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29391723b4a3SAtsushi Nemoto 294096685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 294196685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 294296685b17SDeng-Cheng Zhu 2943ea6e942bSAtsushi Nemotoconfig KEXEC 29447d60717eSKees Cook bool "Kexec system call" 29452965faa5SDave Young select KEXEC_CORE 2946ea6e942bSAtsushi Nemoto help 2947ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2948ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29493dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2950ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2951ea6e942bSAtsushi Nemoto 295201dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2953ea6e942bSAtsushi Nemoto 2954ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2955ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2956bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2957bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2958bf220695SGeert Uytterhoeven made. 2959ea6e942bSAtsushi Nemoto 29607aa1c8f4SRalf Baechleconfig CRASH_DUMP 29617aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29627aa1c8f4SRalf Baechle help 29637aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29647aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29657aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29667aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29677aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29687aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29697aa1c8f4SRalf Baechle PHYSICAL_START. 29707aa1c8f4SRalf Baechle 29717aa1c8f4SRalf Baechleconfig PHYSICAL_START 29727aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29738bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29747aa1c8f4SRalf Baechle depends on CRASH_DUMP 29757aa1c8f4SRalf Baechle help 29767aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29777aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29787aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29797aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29807aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29817aa1c8f4SRalf Baechle 2982ea6e942bSAtsushi Nemotoconfig SECCOMP 2983ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2984293c5bd1SRalf Baechle depends on PROC_FS 2985ea6e942bSAtsushi Nemoto default y 2986ea6e942bSAtsushi Nemoto help 2987ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2988ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2989ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2990ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2991ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2992ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2993ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2994ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2995ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2996ea6e942bSAtsushi Nemoto 2997ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2998ea6e942bSAtsushi Nemoto 2999597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 3000b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 3001597ce172SPaul Burton depends on 32BIT || MIPS32_O32 3002597ce172SPaul Burton help 3003597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 3004597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 3005597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3006597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 3007597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 3008597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3009597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3010597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3011597ce172SPaul Burton saying N here. 3012597ce172SPaul Burton 301306e2e882SPaul Burton Although binutils currently supports use of this flag the details 301406e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 301506e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 301606e2e882SPaul Burton behaviour before the details have been finalised, this option should 301706e2e882SPaul Burton be considered experimental and only enabled by those working upon 301806e2e882SPaul Burton said details. 301906e2e882SPaul Burton 302006e2e882SPaul Burton If unsure, say N. 3021597ce172SPaul Burton 3022f2ffa5abSDezhong Diaoconfig USE_OF 30230b3e06fdSJonas Gorski bool 3024f2ffa5abSDezhong Diao select OF 3025e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3026abd2363fSGrant Likely select IRQ_DOMAIN 3027f2ffa5abSDezhong Diao 30282fe8ea39SDengcheng Zhuconfig UHI_BOOT 30292fe8ea39SDengcheng Zhu bool 30302fe8ea39SDengcheng Zhu 30317fafb068SAndrew Brestickerconfig BUILTIN_DTB 30327fafb068SAndrew Bresticker bool 30337fafb068SAndrew Bresticker 30341da8f179SJonas Gorskichoice 30355b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30361da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30371da8f179SJonas Gorski 30381da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30391da8f179SJonas Gorski bool "None" 30401da8f179SJonas Gorski help 30411da8f179SJonas Gorski Do not enable appended dtb support. 30421da8f179SJonas Gorski 304387db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 304487db537dSAaro Koskinen bool "vmlinux" 304587db537dSAaro Koskinen help 304687db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 304787db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 304887db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 304987db537dSAaro Koskinen objcopy: 305087db537dSAaro Koskinen 305187db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 305287db537dSAaro Koskinen 305387db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 305487db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 305587db537dSAaro Koskinen the documented boot protocol using a device tree. 305687db537dSAaro Koskinen 30571da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3058b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30591da8f179SJonas Gorski help 30601da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3061b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30621da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30631da8f179SJonas Gorski 30641da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30651da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30661da8f179SJonas Gorski the documented boot protocol using a device tree. 30671da8f179SJonas Gorski 30681da8f179SJonas Gorski Beware that there is very little in terms of protection against 30691da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30701da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30711da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30721da8f179SJonas Gorski if you don't intend to always append a DTB. 30731da8f179SJonas Gorskiendchoice 30741da8f179SJonas Gorski 30752024972eSJonas Gorskichoice 30762024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30772bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30783f5f0a44SPaul Burton !MIPS_MALTA && \ 30792bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30802024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30812024972eSJonas Gorski 30822024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30832024972eSJonas Gorski depends on USE_OF 30842024972eSJonas Gorski bool "Dtb kernel arguments if available" 30852024972eSJonas Gorski 30862024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30872024972eSJonas Gorski depends on USE_OF 30882024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30892024972eSJonas Gorski 30902024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30912024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3092ed47e153SRabin Vincent 3093ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3094ed47e153SRabin Vincent depends on CMDLINE_BOOL 3095ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30962024972eSJonas Gorskiendchoice 30972024972eSJonas Gorski 30985e83d430SRalf Baechleendmenu 30995e83d430SRalf Baechle 31001df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 31011df0f0ffSAtsushi Nemoto bool 31021df0f0ffSAtsushi Nemoto default y 31031df0f0ffSAtsushi Nemoto 31041df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 31051df0f0ffSAtsushi Nemoto bool 31061df0f0ffSAtsushi Nemoto default y 31071df0f0ffSAtsushi Nemoto 3108a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3109a728ab52SKirill A. Shutemov int 31103377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3111a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3112a728ab52SKirill A. Shutemov default 2 3113a728ab52SKirill A. Shutemov 31146c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 31156c359eb1SPaul Burton bool 31166c359eb1SPaul Burton 31171da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31181da177e4SLinus Torvalds 3119c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31202eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3121c5611df9SPaul Burton bool 3122c5611df9SPaul Burton 3123c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3124c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3125c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31262eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31271da177e4SLinus Torvalds 31281da177e4SLinus Torvalds# 31291da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31301da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31311da177e4SLinus Torvalds# users to choose the right thing ... 31321da177e4SLinus Torvalds# 31331da177e4SLinus Torvaldsconfig ISA 31341da177e4SLinus Torvalds bool 31351da177e4SLinus Torvalds 31361da177e4SLinus Torvaldsconfig TC 31371da177e4SLinus Torvalds bool "TURBOchannel support" 31381da177e4SLinus Torvalds depends on MACH_DECSTATION 31391da177e4SLinus Torvalds help 314050a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 314150a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 314250a23e6eSJustin P. Mattock at: 314350a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 314450a23e6eSJustin P. Mattock and: 314550a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 314650a23e6eSJustin P. Mattock Linux driver support status is documented at: 314750a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31481da177e4SLinus Torvalds 31491da177e4SLinus Torvaldsconfig MMU 31501da177e4SLinus Torvalds bool 31511da177e4SLinus Torvalds default y 31521da177e4SLinus Torvalds 3153109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3154109c32ffSMatt Redfearn default 12 if 64BIT 3155109c32ffSMatt Redfearn default 8 3156109c32ffSMatt Redfearn 3157109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3158109c32ffSMatt Redfearn default 18 if 64BIT 3159109c32ffSMatt Redfearn default 15 3160109c32ffSMatt Redfearn 3161109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3162109c32ffSMatt Redfearn default 8 3163109c32ffSMatt Redfearn 3164109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3165109c32ffSMatt Redfearn default 15 3166109c32ffSMatt Redfearn 3167d865bea4SRalf Baechleconfig I8253 3168d865bea4SRalf Baechle bool 3169798778b8SRussell King select CLKSRC_I8253 31702d02612fSThomas Gleixner select CLKEVT_I8253 31719726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3172d865bea4SRalf Baechle 3173e05eb3f8SRalf Baechleconfig ZONE_DMA 3174e05eb3f8SRalf Baechle bool 3175e05eb3f8SRalf Baechle 3176cce335aeSRalf Baechleconfig ZONE_DMA32 3177cce335aeSRalf Baechle bool 3178cce335aeSRalf Baechle 31791da177e4SLinus Torvaldsendmenu 31801da177e4SLinus Torvalds 31811da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31821da177e4SLinus Torvalds bool 31831da177e4SLinus Torvalds 31841da177e4SLinus Torvaldsconfig MIPS32_COMPAT 318578aaf956SRalf Baechle bool 31861da177e4SLinus Torvalds 31871da177e4SLinus Torvaldsconfig COMPAT 31881da177e4SLinus Torvalds bool 31891da177e4SLinus Torvalds 319005e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 319105e43966SAtsushi Nemoto bool 319205e43966SAtsushi Nemoto 31931da177e4SLinus Torvaldsconfig MIPS32_O32 31941da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 319578aaf956SRalf Baechle depends on 64BIT 319678aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 319778aaf956SRalf Baechle select COMPAT 319878aaf956SRalf Baechle select MIPS32_COMPAT 319978aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32001da177e4SLinus Torvalds help 32011da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 32021da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 32031da177e4SLinus Torvalds existing binaries are in this format. 32041da177e4SLinus Torvalds 32051da177e4SLinus Torvalds If unsure, say Y. 32061da177e4SLinus Torvalds 32071da177e4SLinus Torvaldsconfig MIPS32_N32 32081da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3209c22eacfeSRalf Baechle depends on 64BIT 32105a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 321178aaf956SRalf Baechle select COMPAT 321278aaf956SRalf Baechle select MIPS32_COMPAT 321378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32141da177e4SLinus Torvalds help 32151da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 32161da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32171da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32181da177e4SLinus Torvalds cases. 32191da177e4SLinus Torvalds 32201da177e4SLinus Torvalds If unsure, say N. 32211da177e4SLinus Torvalds 32221da177e4SLinus Torvaldsconfig BINFMT_ELF32 32231da177e4SLinus Torvalds bool 32241da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3225f43edca7SRalf Baechle select ELFCORE 32261da177e4SLinus Torvalds 32272116245eSRalf Baechlemenu "Power management options" 3228952fa954SRodolfo Giometti 3229363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3230363c55caSWu Zhangjin def_bool y 32313f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3232363c55caSWu Zhangjin 3233f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3234f4cb5700SJohannes Berg def_bool y 32353f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3236f4cb5700SJohannes Berg 32372116245eSRalf Baechlesource "kernel/power/Kconfig" 3238952fa954SRodolfo Giometti 32391da177e4SLinus Torvaldsendmenu 32401da177e4SLinus Torvalds 32417a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32427a998935SViresh Kumar bool 32437a998935SViresh Kumar 32447a998935SViresh Kumarmenu "CPU Power Management" 3245c095ebafSPaul Burton 3246c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32477a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32487a998935SViresh Kumarendif 32499726b43aSWu Zhangjin 3250c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3251c095ebafSPaul Burton 3252c095ebafSPaul Burtonendmenu 3253c095ebafSPaul Burton 325498cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 325598cdee0eSRalf Baechle 32562235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3257