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 50f596cf0dSAlexander Lobakin select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2 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 7716c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 78d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 7912597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 80a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 8124640f23SVincenzo Frascino select HAVE_GENERIC_VDSO 8212597988SMatt Redfearn select IRQ_FORCED_THREADING 836630a8e5SChristoph Hellwig select ISA if EISA 8412597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 8512597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8612597988SMatt Redfearn select PERF_USE_VMALLOC 8705a0a344SArnd Bergmann select RTC_LIB 8812597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 8912597988SMatt Redfearn select VIRT_TO_BUS 90d1af2ab3SPaul Burton select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 91dcf78ee6SAlexey Khoroshilov select ARCH_HAS_KCOV 92dcf78ee6SAlexey Khoroshilov select HAVE_GCC_PLUGINS 931da177e4SLinus Torvalds 941da177e4SLinus Torvaldsmenu "Machine selection" 951da177e4SLinus Torvalds 965e83d430SRalf Baechlechoice 975e83d430SRalf Baechle prompt "System type" 98d41e6858SMatt Redfearn default MIPS_GENERIC 991da177e4SLinus Torvalds 100eed0eabdSPaul Burtonconfig MIPS_GENERIC 101eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 102eed0eabdSPaul Burton select BOOT_RAW 103eed0eabdSPaul Burton select BUILTIN_DTB 104eed0eabdSPaul Burton select CEVT_R4K 105eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 106eed0eabdSPaul Burton select COMMON_CLK 107eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 108eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 109eed0eabdSPaul Burton select CSRC_R4K 110eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 111eb01d42aSChristoph Hellwig select HAVE_PCI 112eed0eabdSPaul Burton select IRQ_MIPS_CPU 113eed0eabdSPaul Burton select LIBFDT 1140211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 115eed0eabdSPaul Burton select MIPS_CPU_SCACHE 116eed0eabdSPaul Burton select MIPS_GIC 117eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 118eed0eabdSPaul Burton select NO_EXCEPT_FILL 119eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 120eed0eabdSPaul Burton select PINCTRL 121eed0eabdSPaul Burton select SMP_UP if SMP 122a3078e59SMatt Redfearn select SWAP_IO_SPACE 123eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 124eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 125eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 126eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 127eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 128eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 129eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 130eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 131eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 132eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 133eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 134eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 135eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 136eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 137eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 138eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 139eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1402e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1412e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1422e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1432e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1442e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1452e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 146eed0eabdSPaul Burton select USE_OF 1472fe8ea39SDengcheng Zhu select UHI_BOOT 148eed0eabdSPaul Burton help 149eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 150eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 151eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 152eed0eabdSPaul Burton Interface) specification. 153eed0eabdSPaul Burton 15442a4f17dSManuel Laussconfig MIPS_ALCHEMY 155c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 156d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 157f772cdb2SRalf Baechle select CEVT_R4K 158d7ea335cSSteven J. Hill select CSRC_R4K 15967e38cf2SRalf Baechle select IRQ_MIPS_CPU 16088e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 16142a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 16242a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 16342a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 164d30a2b47SLinus Walleij select GPIOLIB 1651b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 16647440229SManuel Lauss select COMMON_CLK 1671da177e4SLinus Torvalds 1687ca5dc14SFlorian Fainelliconfig AR7 1697ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1707ca5dc14SFlorian Fainelli select BOOT_ELF32 1717ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1727ca5dc14SFlorian Fainelli select CEVT_R4K 1737ca5dc14SFlorian Fainelli select CSRC_R4K 17467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1757ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1767ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1777ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1787ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1797ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1807ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 181377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1821b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 183d30a2b47SLinus Walleij select GPIOLIB 1847ca5dc14SFlorian Fainelli select VLYNQ 1858551fb64SYoichi Yuasa select HAVE_CLK 1867ca5dc14SFlorian Fainelli help 1877ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1887ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1897ca5dc14SFlorian Fainelli 19043cc739fSSergey Ryazanovconfig ATH25 19143cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 19243cc739fSSergey Ryazanov select CEVT_R4K 19343cc739fSSergey Ryazanov select CSRC_R4K 19443cc739fSSergey Ryazanov select DMA_NONCOHERENT 19567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1961753e74eSSergey Ryazanov select IRQ_DOMAIN 19743cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 19843cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 19943cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 2008aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 20143cc739fSSergey Ryazanov help 20243cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 20343cc739fSSergey Ryazanov 204d4a67d9dSGabor Juhosconfig ATH79 205d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 206ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 207d4a67d9dSGabor Juhos select BOOT_RAW 208d4a67d9dSGabor Juhos select CEVT_R4K 209d4a67d9dSGabor Juhos select CSRC_R4K 210d4a67d9dSGabor Juhos select DMA_NONCOHERENT 211d30a2b47SLinus Walleij select GPIOLIB 212a08227a2SJohn Crispin select PINCTRL 21394638067SGabor Juhos select HAVE_CLK 214411520afSAlban Bedel select COMMON_CLK 2152c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 21667e38cf2SRalf Baechle select IRQ_MIPS_CPU 217d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 218d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 219d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 220d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 221377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 222b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 22303c8c407SAlban Bedel select USE_OF 22453d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 225d4a67d9dSGabor Juhos help 226d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 227d4a67d9dSGabor Juhos 2285f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2295f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 230d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 231d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 232d666cd02SKevin Cernekee select BOOT_RAW 233d666cd02SKevin Cernekee select NO_EXCEPT_FILL 234d666cd02SKevin Cernekee select USE_OF 235d666cd02SKevin Cernekee select CEVT_R4K 236d666cd02SKevin Cernekee select CSRC_R4K 237d666cd02SKevin Cernekee select SYNC_R4K 238d666cd02SKevin Cernekee select COMMON_CLK 239c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 24060b858f2SKevin Cernekee select BCM7038_L1_IRQ 24160b858f2SKevin Cernekee select BCM7120_L2_IRQ 24260b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 24367e38cf2SRalf Baechle select IRQ_MIPS_CPU 24460b858f2SKevin Cernekee select DMA_NONCOHERENT 245d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 24660b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 247d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 248d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 24960b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 25060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 25160b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 252d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 253d666cd02SKevin Cernekee select SWAP_IO_SPACE 25460b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25560b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 25660b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25760b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2584dc4704cSJustin Chen select HARDIRQS_SW_RESEND 259d666cd02SKevin Cernekee help 2605f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2615f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2625f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2635f2d4459SKevin Cernekee must be set appropriately for your board. 264d666cd02SKevin Cernekee 2651c0c13ebSAurelien Jarnoconfig BCM47XX 266c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 267fe08f8c2SHauke Mehrtens select BOOT_RAW 26842f77542SRalf Baechle select CEVT_R4K 269940f6b48SRalf Baechle select CSRC_R4K 2701c0c13ebSAurelien Jarno select DMA_NONCOHERENT 271eb01d42aSChristoph Hellwig select HAVE_PCI 27267e38cf2SRalf Baechle select IRQ_MIPS_CPU 273314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 274dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2751c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2761c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 277377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2786507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 27925e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 280e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 281c949c0bcSRafał Miłecki select GPIOLIB 282c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 283f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2842ab71a02SRafał Miłecki select BCM47XX_SPROM 285dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2861c0c13ebSAurelien Jarno help 2871c0c13ebSAurelien Jarno Support for BCM47XX based boards 2881c0c13ebSAurelien Jarno 289e7300d04SMaxime Bizonconfig BCM63XX 290e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 291ae8de61cSFlorian Fainelli select BOOT_RAW 292e7300d04SMaxime Bizon select CEVT_R4K 293e7300d04SMaxime Bizon select CSRC_R4K 294fc264022SJonas Gorski select SYNC_R4K 295e7300d04SMaxime Bizon select DMA_NONCOHERENT 29667e38cf2SRalf Baechle select IRQ_MIPS_CPU 297e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 298e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 299e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 300e7300d04SMaxime Bizon select SWAP_IO_SPACE 301d30a2b47SLinus Walleij select GPIOLIB 3023e82eeebSYoichi Yuasa select HAVE_CLK 303af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 304c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 305e7300d04SMaxime Bizon help 306e7300d04SMaxime Bizon Support for BCM63XX based boards 307e7300d04SMaxime Bizon 3081da177e4SLinus Torvaldsconfig MIPS_COBALT 3093fa986faSMartin Michlmayr bool "Cobalt Server" 31042f77542SRalf Baechle select CEVT_R4K 311940f6b48SRalf Baechle select CSRC_R4K 3121097c6acSYoichi Yuasa select CEVT_GT641XX 3131da177e4SLinus Torvalds select DMA_NONCOHERENT 314eb01d42aSChristoph Hellwig select FORCE_PCI 315d865bea4SRalf Baechle select I8253 3161da177e4SLinus Torvalds select I8259 31767e38cf2SRalf Baechle select IRQ_MIPS_CPU 318d5ab1a69SYoichi Yuasa select IRQ_GT641XX 319252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3207cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3210a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 322ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3230e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3245e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 325e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3261da177e4SLinus Torvalds 3271da177e4SLinus Torvaldsconfig MACH_DECSTATION 3283fa986faSMartin Michlmayr bool "DECstations" 3291da177e4SLinus Torvalds select BOOT_ELF32 3306457d9fcSYoichi Yuasa select CEVT_DS1287 33181d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3324247417dSYoichi Yuasa select CSRC_IOASIC 33381d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 33420d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 33520d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 33620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3371da177e4SLinus Torvalds select DMA_NONCOHERENT 338ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 33967e38cf2SRalf Baechle select IRQ_MIPS_CPU 3407cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3417cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 342ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3437d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3445e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3451723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3461723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3471723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 348930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3495e83d430SRalf Baechle help 3501da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3511da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3521da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3531da177e4SLinus Torvalds 3541da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3551da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3561da177e4SLinus Torvalds 3571da177e4SLinus Torvalds DECstation 5000/50 3581da177e4SLinus Torvalds DECstation 5000/150 3591da177e4SLinus Torvalds DECstation 5000/260 3601da177e4SLinus Torvalds DECsystem 5900/260 3611da177e4SLinus Torvalds 3621da177e4SLinus Torvalds otherwise choose R3000. 3631da177e4SLinus Torvalds 3645e83d430SRalf Baechleconfig MACH_JAZZ 3653fa986faSMartin Michlmayr bool "Jazz family of machines" 36639b2d756SThomas Bogendoerfer select ARC_MEMORY 36739b2d756SThomas Bogendoerfer select ARC_PROMLIB 368a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3697a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3700e2794b0SRalf Baechle select FW_ARC 3710e2794b0SRalf Baechle select FW_ARC32 3725e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 37342f77542SRalf Baechle select CEVT_R4K 374940f6b48SRalf Baechle select CSRC_R4K 375e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3765e83d430SRalf Baechle select GENERIC_ISA_DMA 3778a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 37867e38cf2SRalf Baechle select IRQ_MIPS_CPU 379d865bea4SRalf Baechle select I8253 3805e83d430SRalf Baechle select I8259 3815e83d430SRalf Baechle select ISA 3827cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3835e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3847d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3851723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3861da177e4SLinus Torvalds help 3875e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3885e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 389692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3905e83d430SRalf Baechle Olivetti M700-10 workstations. 3915e83d430SRalf Baechle 392de361e8bSPaul Burtonconfig MACH_INGENIC 393de361e8bSPaul Burton bool "Ingenic SoC based machines" 3945ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3955ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 396f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 397b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3985ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 39967e38cf2SRalf Baechle select IRQ_MIPS_CPU 40037b4c3caSPaul Cercueil select PINCTRL 401d30a2b47SLinus Walleij select GPIOLIB 402ff1930c6SPaul Burton select COMMON_CLK 40383bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 40415205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 405ffb1843dSPaul Burton select USE_OF 4066ec127fbSPaul Burton select LIBFDT 4075ebabe59SLars-Peter Clausen 408171bb2f1SJohn Crispinconfig LANTIQ 409171bb2f1SJohn Crispin bool "Lantiq based platforms" 410171bb2f1SJohn Crispin select DMA_NONCOHERENT 41167e38cf2SRalf Baechle select IRQ_MIPS_CPU 412171bb2f1SJohn Crispin select CEVT_R4K 413171bb2f1SJohn Crispin select CSRC_R4K 414171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 415171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 416171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 417171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 418377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 419171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 420f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 421171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 422d30a2b47SLinus Walleij select GPIOLIB 423171bb2f1SJohn Crispin select SWAP_IO_SPACE 424171bb2f1SJohn Crispin select BOOT_RAW 425287e3f3fSJohn Crispin select CLKDEV_LOOKUP 426a0392222SJohn Crispin select USE_OF 4273f8c50c9SJohn Crispin select PINCTRL 4283f8c50c9SJohn Crispin select PINCTRL_LANTIQ 429c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 430c530781cSJohn Crispin select RESET_CONTROLLER 431171bb2f1SJohn Crispin 4321f21d2bdSBrian Murphyconfig LASAT 4331f21d2bdSBrian Murphy bool "LASAT Networks platforms" 43442f77542SRalf Baechle select CEVT_R4K 43516f0bbbcSRalf Baechle select CRC32 436940f6b48SRalf Baechle select CSRC_R4K 4371f21d2bdSBrian Murphy select DMA_NONCOHERENT 4381f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 439eb01d42aSChristoph Hellwig select HAVE_PCI 44067e38cf2SRalf Baechle select IRQ_MIPS_CPU 4411f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4421f21d2bdSBrian Murphy select MIPS_NILE4 4431f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4441f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4451f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4461f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4471f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4481f21d2bdSBrian Murphy 44930ad29bbSHuacai Chenconfig MACH_LOONGSON32 450caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 451c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 452ade299d8SYoichi Yuasa help 45330ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 45485749d24SWu Zhangjin 45530ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 45630ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 45730ad29bbSHuacai Chen Sciences (CAS). 458ade299d8SYoichi Yuasa 45971e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 46071e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 461ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 462ca585cf9SKelvin Cheung help 46371e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 464ca585cf9SKelvin Cheung 46571e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 466caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4676fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4686fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4696fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4706fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4716fbde6b4SJiaxun Yang select BOOT_ELF32 4726fbde6b4SJiaxun Yang select BOARD_SCACHE 4736fbde6b4SJiaxun Yang select CSRC_R4K 4746fbde6b4SJiaxun Yang select CEVT_R4K 4756fbde6b4SJiaxun Yang select CPU_HAS_WB 4766fbde6b4SJiaxun Yang select FORCE_PCI 4776fbde6b4SJiaxun Yang select ISA 4786fbde6b4SJiaxun Yang select I8259 4796fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4806fbde6b4SJiaxun Yang select NR_CPUS_DEFAULT_4 4816fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4826fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4836fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4846fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4856fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4866fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4876fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4886fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 4896fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 49071e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 4916fbde6b4SJiaxun Yang select LOONGSON_MC146818 4926fbde6b4SJiaxun Yang select ZONE_DMA32 4936fbde6b4SJiaxun Yang select NUMA 49471e2f4ddSJiaxun Yang help 495caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 496caed1d1bSHuacai Chen 497caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 498caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 499caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 500caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 501ca585cf9SKelvin Cheung 5026a438309SAndrew Brestickerconfig MACH_PISTACHIO 5036a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 5046a438309SAndrew Bresticker select BOOT_ELF32 5056a438309SAndrew Bresticker select BOOT_RAW 5066a438309SAndrew Bresticker select CEVT_R4K 5076a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 5086a438309SAndrew Bresticker select COMMON_CLK 5096a438309SAndrew Bresticker select CSRC_R4K 510645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 511d30a2b47SLinus Walleij select GPIOLIB 51267e38cf2SRalf Baechle select IRQ_MIPS_CPU 5136a438309SAndrew Bresticker select LIBFDT 5146a438309SAndrew Bresticker select MFD_SYSCON 5156a438309SAndrew Bresticker select MIPS_CPU_SCACHE 5166a438309SAndrew Bresticker select MIPS_GIC 5176a438309SAndrew Bresticker select PINCTRL 5186a438309SAndrew Bresticker select REGULATOR 5196a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 5206a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 5216a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 5226a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 5236a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 52441cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 5256a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 526018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 527018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 5286a438309SAndrew Bresticker select USE_OF 5296a438309SAndrew Bresticker help 5306a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 5316a438309SAndrew Bresticker 5321da177e4SLinus Torvaldsconfig MIPS_MALTA 5333fa986faSMartin Michlmayr bool "MIPS Malta board" 53461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 535a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5367a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5371da177e4SLinus Torvalds select BOOT_ELF32 538fa71c960SRalf Baechle select BOOT_RAW 539e8823d26SPaul Burton select BUILTIN_DTB 54042f77542SRalf Baechle select CEVT_R4K 541fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 54242b002abSGuenter Roeck select COMMON_CLK 54347bf2b03SMaksym Kokhan select CSRC_R4K 544885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5451da177e4SLinus Torvalds select GENERIC_ISA_DMA 5468a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 547eb01d42aSChristoph Hellwig select HAVE_PCI 548d865bea4SRalf Baechle select I8253 5491da177e4SLinus Torvalds select I8259 55047bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 55147bf2b03SMaksym Kokhan select LIBFDT 5525e83d430SRalf Baechle select MIPS_BONITO64 5539318c51aSChris Dearman select MIPS_CPU_SCACHE 55447bf2b03SMaksym Kokhan select MIPS_GIC 555a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5565e83d430SRalf Baechle select MIPS_MSC 55747bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 558ecafe3e9SPaul Burton select SMP_UP if SMP 5591da177e4SLinus Torvalds select SWAP_IO_SPACE 5607cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5617cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 562bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 563c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 564575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5657cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5665d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 567575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5687cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5697cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 570ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 571ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5725e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 573c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5745e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 575424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 57647bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5770365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 578e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 579f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 58047bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5819693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 582f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5831b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 584e8823d26SPaul Burton select USE_OF 585abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5861da177e4SLinus Torvalds help 587f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5881da177e4SLinus Torvalds board. 5891da177e4SLinus Torvalds 5902572f00dSJoshua Hendersonconfig MACH_PIC32 5912572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5922572f00dSJoshua Henderson help 5932572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5942572f00dSJoshua Henderson 5952572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5962572f00dSJoshua Henderson microcontrollers. 5972572f00dSJoshua Henderson 598a83860c2SRalf Baechleconfig NEC_MARKEINS 599a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 600a83860c2SRalf Baechle select SOC_EMMA2RH 601eb01d42aSChristoph Hellwig select HAVE_PCI 602a83860c2SRalf Baechle help 603a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 604ade299d8SYoichi Yuasa 6055e83d430SRalf Baechleconfig MACH_VR41XX 60674142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 60742f77542SRalf Baechle select CEVT_R4K 608940f6b48SRalf Baechle select CSRC_R4K 6097cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 610377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 611d30a2b47SLinus Walleij select GPIOLIB 6125e83d430SRalf Baechle 613edb6310aSDaniel Lairdconfig NXP_STB220 614edb6310aSDaniel Laird bool "NXP STB220 board" 615edb6310aSDaniel Laird select SOC_PNX833X 616edb6310aSDaniel Laird help 617edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 618edb6310aSDaniel Laird 619edb6310aSDaniel Lairdconfig NXP_STB225 620edb6310aSDaniel Laird bool "NXP 225 board" 621edb6310aSDaniel Laird select SOC_PNX833X 622edb6310aSDaniel Laird select SOC_PNX8335 623edb6310aSDaniel Laird help 624edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 625edb6310aSDaniel Laird 6269267a30dSMarc St-Jeanconfig PMC_MSP 6279267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 62839d30c13SAnoop P A select CEVT_R4K 62939d30c13SAnoop P A select CSRC_R4K 6309267a30dSMarc St-Jean select DMA_NONCOHERENT 6319267a30dSMarc St-Jean select SWAP_IO_SPACE 6329267a30dSMarc St-Jean select NO_EXCEPT_FILL 6339267a30dSMarc St-Jean select BOOT_RAW 6349267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 6359267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 6369267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 6379267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 638377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 63967e38cf2SRalf Baechle select IRQ_MIPS_CPU 6409267a30dSMarc St-Jean select SERIAL_8250 6419267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6429296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6439296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6449267a30dSMarc St-Jean help 6459267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6469267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6479267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6489267a30dSMarc St-Jean a variety of MIPS cores. 6499267a30dSMarc St-Jean 650ae2b5bb6SJohn Crispinconfig RALINK 651ae2b5bb6SJohn Crispin bool "Ralink based machines" 652ae2b5bb6SJohn Crispin select CEVT_R4K 653ae2b5bb6SJohn Crispin select CSRC_R4K 654ae2b5bb6SJohn Crispin select BOOT_RAW 655ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 65667e38cf2SRalf Baechle select IRQ_MIPS_CPU 657ae2b5bb6SJohn Crispin select USE_OF 658ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 659ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 660ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 661ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 662377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 663ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 664ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6652a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6662a153f1cSJohn Crispin select RESET_CONTROLLER 667ae2b5bb6SJohn Crispin 6681da177e4SLinus Torvaldsconfig SGI_IP22 6693fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 670c0de00b2SThomas Bogendoerfer select ARC_MEMORY 67139b2d756SThomas Bogendoerfer select ARC_PROMLIB 6720e2794b0SRalf Baechle select FW_ARC 6730e2794b0SRalf Baechle select FW_ARC32 6747a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6751da177e4SLinus Torvalds select BOOT_ELF32 67642f77542SRalf Baechle select CEVT_R4K 677940f6b48SRalf Baechle select CSRC_R4K 678e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6791da177e4SLinus Torvalds select DMA_NONCOHERENT 6806630a8e5SChristoph Hellwig select HAVE_EISA 681d865bea4SRalf Baechle select I8253 68268de4803SThomas Bogendoerfer select I8259 6831da177e4SLinus Torvalds select IP22_CPU_SCACHE 68467e38cf2SRalf Baechle select IRQ_MIPS_CPU 685aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 686e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 687e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 68836e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 689e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 690e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 691e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6921da177e4SLinus Torvalds select SWAP_IO_SPACE 6937cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6947cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 695c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 696ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 697ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6985e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 699930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7001da177e4SLinus Torvalds help 7011da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 7021da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 7031da177e4SLinus Torvalds that runs on these, say Y here. 7041da177e4SLinus Torvalds 7051da177e4SLinus Torvaldsconfig SGI_IP27 7063fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 70754aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 708397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 7090e2794b0SRalf Baechle select FW_ARC 7100e2794b0SRalf Baechle select FW_ARC64 711e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 7125e83d430SRalf Baechle select BOOT_ELF64 713e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 71436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 715eb01d42aSChristoph Hellwig select HAVE_PCI 71669a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 717e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 718130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 719a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 720a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7217cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 722ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7235e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 724d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7251a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 726930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7271da177e4SLinus Torvalds help 7281da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7291da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7301da177e4SLinus Torvalds here. 7311da177e4SLinus Torvalds 732e2defae5SThomas Bogendoerferconfig SGI_IP28 7337d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 734c0de00b2SThomas Bogendoerfer select ARC_MEMORY 73539b2d756SThomas Bogendoerfer select ARC_PROMLIB 7360e2794b0SRalf Baechle select FW_ARC 7370e2794b0SRalf Baechle select FW_ARC64 7387a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 739e2defae5SThomas Bogendoerfer select BOOT_ELF64 740e2defae5SThomas Bogendoerfer select CEVT_R4K 741e2defae5SThomas Bogendoerfer select CSRC_R4K 742e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 743e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 744e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 74567e38cf2SRalf Baechle select IRQ_MIPS_CPU 7466630a8e5SChristoph Hellwig select HAVE_EISA 747e2defae5SThomas Bogendoerfer select I8253 748e2defae5SThomas Bogendoerfer select I8259 749e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 750e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7515b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 752e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 753e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 754e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 755e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 756e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 757c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 758e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 759e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 760dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 761e2defae5SThomas Bogendoerfer help 762e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 763e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 764e2defae5SThomas Bogendoerfer 7657505576dSThomas Bogendoerferconfig SGI_IP30 7667505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7677505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7687505576dSThomas Bogendoerfer select FW_ARC 7697505576dSThomas Bogendoerfer select FW_ARC64 7707505576dSThomas Bogendoerfer select BOOT_ELF64 7717505576dSThomas Bogendoerfer select CEVT_R4K 7727505576dSThomas Bogendoerfer select CSRC_R4K 7737505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7747505576dSThomas Bogendoerfer select ZONE_DMA32 7757505576dSThomas Bogendoerfer select HAVE_PCI 7767505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7777505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7787505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 7797505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7807505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7817505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7827505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7837505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7847505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7857505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 7867505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7877505576dSThomas Bogendoerfer select ARC_MEMORY 7887505576dSThomas Bogendoerfer help 7897505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 7907505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 7917505576dSThomas Bogendoerfer 7921da177e4SLinus Torvaldsconfig SGI_IP32 793cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 79439b2d756SThomas Bogendoerfer select ARC_MEMORY 79539b2d756SThomas Bogendoerfer select ARC_PROMLIB 79603df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7970e2794b0SRalf Baechle select FW_ARC 7980e2794b0SRalf Baechle select FW_ARC32 7991da177e4SLinus Torvalds select BOOT_ELF32 80042f77542SRalf Baechle select CEVT_R4K 801940f6b48SRalf Baechle select CSRC_R4K 8021da177e4SLinus Torvalds select DMA_NONCOHERENT 803eb01d42aSChristoph Hellwig select HAVE_PCI 80467e38cf2SRalf Baechle select IRQ_MIPS_CPU 8051da177e4SLinus Torvalds select R5000_CPU_SCACHE 8061da177e4SLinus Torvalds select RM7000_CPU_SCACHE 8077cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 8087cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 8097cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 810dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 811ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 8125e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8131da177e4SLinus Torvalds help 8141da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8151da177e4SLinus Torvalds 816ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 817ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8185e83d430SRalf Baechle select BOOT_ELF32 8195e83d430SRalf Baechle select SIBYTE_BCM1120 8205e83d430SRalf Baechle select SWAP_IO_SPACE 8217cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8225e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8235e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8245e83d430SRalf Baechle 825ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 826ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8275e83d430SRalf Baechle select BOOT_ELF32 8285e83d430SRalf Baechle select SIBYTE_BCM1120 8295e83d430SRalf Baechle select SWAP_IO_SPACE 8307cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8315e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8325e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8335e83d430SRalf Baechle 8345e83d430SRalf Baechleconfig SIBYTE_CRHONE 8353fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8365e83d430SRalf Baechle select BOOT_ELF32 8375e83d430SRalf Baechle select SIBYTE_BCM1125 8385e83d430SRalf Baechle select SWAP_IO_SPACE 8397cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8405e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8415e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8425e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8435e83d430SRalf Baechle 844ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 845ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 846ade299d8SYoichi Yuasa select BOOT_ELF32 847ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 848ade299d8SYoichi Yuasa select SWAP_IO_SPACE 849ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 850ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 851ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 852ade299d8SYoichi Yuasa 853ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 854ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 855ade299d8SYoichi Yuasa select BOOT_ELF32 856fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 857ade299d8SYoichi Yuasa select SIBYTE_SB1250 858ade299d8SYoichi Yuasa select SWAP_IO_SPACE 859ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 860ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 861ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 862ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 863cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 864e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 865ade299d8SYoichi Yuasa 866ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 867ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 868ade299d8SYoichi Yuasa select BOOT_ELF32 869fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 870ade299d8SYoichi Yuasa select SIBYTE_SB1250 871ade299d8SYoichi Yuasa select SWAP_IO_SPACE 872ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 873ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 874ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 875ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 876756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 877ade299d8SYoichi Yuasa 878ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 879ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 880ade299d8SYoichi Yuasa select BOOT_ELF32 881ade299d8SYoichi Yuasa select SIBYTE_SB1250 882ade299d8SYoichi Yuasa select SWAP_IO_SPACE 883ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 884ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 885ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 886e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 887ade299d8SYoichi Yuasa 888ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 889ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 890ade299d8SYoichi Yuasa select BOOT_ELF32 891ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 892ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 893ade299d8SYoichi Yuasa select SWAP_IO_SPACE 894ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 895ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 896651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 897ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 898cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 899e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 900ade299d8SYoichi Yuasa 90114b36af4SThomas Bogendoerferconfig SNI_RM 90214b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 90339b2d756SThomas Bogendoerfer select ARC_MEMORY 90439b2d756SThomas Bogendoerfer select ARC_PROMLIB 9050e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 9060e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 907aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 9085e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 909a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 9107a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 9115e83d430SRalf Baechle select BOOT_ELF32 91242f77542SRalf Baechle select CEVT_R4K 913940f6b48SRalf Baechle select CSRC_R4K 914e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9155e83d430SRalf Baechle select DMA_NONCOHERENT 9165e83d430SRalf Baechle select GENERIC_ISA_DMA 9176630a8e5SChristoph Hellwig select HAVE_EISA 9188a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 919eb01d42aSChristoph Hellwig select HAVE_PCI 92067e38cf2SRalf Baechle select IRQ_MIPS_CPU 921d865bea4SRalf Baechle select I8253 9225e83d430SRalf Baechle select I8259 9235e83d430SRalf Baechle select ISA 9244a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9257cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9264a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 927c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9284a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 92936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 930ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9317d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9324a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9335e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9345e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 9351da177e4SLinus Torvalds help 93614b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 93714b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9385e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9395e83d430SRalf Baechle support this machine type. 9401da177e4SLinus Torvalds 941edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 942edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9435e83d430SRalf Baechle 944edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 945edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 94623fbee9dSRalf Baechle 94773b4390fSRalf Baechleconfig MIKROTIK_RB532 94873b4390fSRalf Baechle bool "Mikrotik RB532 boards" 94973b4390fSRalf Baechle select CEVT_R4K 95073b4390fSRalf Baechle select CSRC_R4K 95173b4390fSRalf Baechle select DMA_NONCOHERENT 952eb01d42aSChristoph Hellwig select HAVE_PCI 95367e38cf2SRalf Baechle select IRQ_MIPS_CPU 95473b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 95573b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 95673b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 95773b4390fSRalf Baechle select SWAP_IO_SPACE 95873b4390fSRalf Baechle select BOOT_RAW 959d30a2b47SLinus Walleij select GPIOLIB 960930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 96173b4390fSRalf Baechle help 96273b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 96373b4390fSRalf Baechle based on the IDT RC32434 SoC. 96473b4390fSRalf Baechle 9659ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9669ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 967a86c7f72SDavid Daney select CEVT_R4K 968ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9691753d50cSChristoph Hellwig select HAVE_RAPIDIO 970d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 971a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 972a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 973f65aad41SRalf Baechle select EDAC_SUPPORT 974b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 97573569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 97673569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 977a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9785e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 979eb01d42aSChristoph Hellwig select HAVE_PCI 980f00e001eSDavid Daney select ZONE_DMA32 981465aaed0SDavid Daney select HOLES_IN_ZONE 982d30a2b47SLinus Walleij select GPIOLIB 9836e511163SDavid Daney select LIBFDT 9846e511163SDavid Daney select USE_OF 9856e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9866e511163SDavid Daney select SYS_SUPPORTS_SMP 9877820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9887820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 989e326479fSAndrew Bresticker select BUILTIN_DTB 9908c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 99109230cbcSChristoph Hellwig select SWIOTLB 9923ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 993a86c7f72SDavid Daney help 994a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 995a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 996a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 997a86c7f72SDavid Daney Some of the supported boards are: 998a86c7f72SDavid Daney EBT3000 999a86c7f72SDavid Daney EBH3000 1000a86c7f72SDavid Daney EBH3100 1001a86c7f72SDavid Daney Thunder 1002a86c7f72SDavid Daney Kodama 1003a86c7f72SDavid Daney Hikari 1004a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 1005a86c7f72SDavid Daney 10067f058e85SJayachandran Cconfig NLM_XLR_BOARD 10077f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 10087f058e85SJayachandran C select BOOT_ELF32 10097f058e85SJayachandran C select NLM_COMMON 10107f058e85SJayachandran C select SYS_HAS_CPU_XLR 10117f058e85SJayachandran C select SYS_SUPPORTS_SMP 1012eb01d42aSChristoph Hellwig select HAVE_PCI 10137f058e85SJayachandran C select SWAP_IO_SPACE 10147f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10157f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1016d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 10177f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10187f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 10197f058e85SJayachandran C select NR_CPUS_DEFAULT_32 10207f058e85SJayachandran C select CEVT_R4K 10217f058e85SJayachandran C select CSRC_R4K 102267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1023b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10247f058e85SJayachandran C select SYNC_R4K 10257f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 10268f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10278f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10287f058e85SJayachandran C help 10297f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 10307f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 10317f058e85SJayachandran C 10321c773ea4SJayachandran Cconfig NLM_XLP_BOARD 10331c773ea4SJayachandran C bool "Netlogic XLP based systems" 10341c773ea4SJayachandran C select BOOT_ELF32 10351c773ea4SJayachandran C select NLM_COMMON 10361c773ea4SJayachandran C select SYS_HAS_CPU_XLP 10371c773ea4SJayachandran C select SYS_SUPPORTS_SMP 1038eb01d42aSChristoph Hellwig select HAVE_PCI 10391c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10401c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1041d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1042d30a2b47SLinus Walleij select GPIOLIB 10431c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10441c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10451c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10461c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10471c773ea4SJayachandran C select CEVT_R4K 10481c773ea4SJayachandran C select CSRC_R4K 104967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1050b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10511c773ea4SJayachandran C select SYNC_R4K 10521c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10532f6528e1SJayachandran C select USE_OF 10548f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10558f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10561c773ea4SJayachandran C help 10571c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10581c773ea4SJayachandran C Say Y here if you have a XLP based board. 10591c773ea4SJayachandran C 10609bc463beSDavid Daneyconfig MIPS_PARAVIRT 10619bc463beSDavid Daney bool "Para-Virtualized guest system" 10629bc463beSDavid Daney select CEVT_R4K 10639bc463beSDavid Daney select CSRC_R4K 10649bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10659bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10669bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10679bc463beSDavid Daney select SYS_SUPPORTS_SMP 10689bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10699bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10709bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10719bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10729bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1073eb01d42aSChristoph Hellwig select HAVE_PCI 10749bc463beSDavid Daney select SWAP_IO_SPACE 10759bc463beSDavid Daney help 10769bc463beSDavid Daney This option supports guest running under ???? 10779bc463beSDavid Daney 10781da177e4SLinus Torvaldsendchoice 10791da177e4SLinus Torvalds 1080e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10813b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1082d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1083a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1084e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10858945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1086eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10875e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10885ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10898ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10901f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10912572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1092af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10930f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1094ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 109529c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 109638b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 109722b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10985e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1099a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 110071e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 110130ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 110230ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 11037f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1104ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 110538b18f72SRalf Baechle 11065e83d430SRalf Baechleendmenu 11075e83d430SRalf Baechle 11083c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 11093c9ee7efSAkinobu Mita bool 11103c9ee7efSAkinobu Mita default y 11113c9ee7efSAkinobu Mita 11121da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 11131da177e4SLinus Torvalds bool 11141da177e4SLinus Torvalds default y 11151da177e4SLinus Torvalds 1116ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 11171cc89038SAtsushi Nemoto bool 11181cc89038SAtsushi Nemoto default y 11191cc89038SAtsushi Nemoto 11201da177e4SLinus Torvalds# 11211da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 11221da177e4SLinus Torvalds# 11230e2794b0SRalf Baechleconfig FW_ARC 11241da177e4SLinus Torvalds bool 11251da177e4SLinus Torvalds 112661ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 112761ed242dSRalf Baechle bool 112861ed242dSRalf Baechle 11299267a30dSMarc St-Jeanconfig BOOT_RAW 11309267a30dSMarc St-Jean bool 11319267a30dSMarc St-Jean 1132217dd11eSRalf Baechleconfig CEVT_BCM1480 1133217dd11eSRalf Baechle bool 1134217dd11eSRalf Baechle 11356457d9fcSYoichi Yuasaconfig CEVT_DS1287 11366457d9fcSYoichi Yuasa bool 11376457d9fcSYoichi Yuasa 11381097c6acSYoichi Yuasaconfig CEVT_GT641XX 11391097c6acSYoichi Yuasa bool 11401097c6acSYoichi Yuasa 114142f77542SRalf Baechleconfig CEVT_R4K 114242f77542SRalf Baechle bool 114342f77542SRalf Baechle 1144217dd11eSRalf Baechleconfig CEVT_SB1250 1145217dd11eSRalf Baechle bool 1146217dd11eSRalf Baechle 1147229f773eSAtsushi Nemotoconfig CEVT_TXX9 1148229f773eSAtsushi Nemoto bool 1149229f773eSAtsushi Nemoto 1150217dd11eSRalf Baechleconfig CSRC_BCM1480 1151217dd11eSRalf Baechle bool 1152217dd11eSRalf Baechle 11534247417dSYoichi Yuasaconfig CSRC_IOASIC 11544247417dSYoichi Yuasa bool 11554247417dSYoichi Yuasa 1156940f6b48SRalf Baechleconfig CSRC_R4K 1157940f6b48SRalf Baechle bool 1158940f6b48SRalf Baechle 1159217dd11eSRalf Baechleconfig CSRC_SB1250 1160217dd11eSRalf Baechle bool 1161217dd11eSRalf Baechle 1162a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1163a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1164a7f4df4eSAlex Smith 1165a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1166d30a2b47SLinus Walleij select GPIOLIB 1167a9aec7feSAtsushi Nemoto bool 1168a9aec7feSAtsushi Nemoto 11690e2794b0SRalf Baechleconfig FW_CFE 1170df78b5c8SAurelien Jarno bool 1171df78b5c8SAurelien Jarno 117240e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 117340e084a5SRalf Baechle bool 117440e084a5SRalf Baechle 1175885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1176f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1177885014bcSFelix Fietkau select DMA_NONCOHERENT 1178885014bcSFelix Fietkau bool 1179885014bcSFelix Fietkau 118020d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 118120d33064SPaul Burton bool 1182347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11835748e1b3SChristoph Hellwig select DMA_NONCOHERENT 118420d33064SPaul Burton 11851da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11861da177e4SLinus Torvalds bool 1187db91427bSChristoph Hellwig # 1188db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1189db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1190db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1191db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1192db91427bSChristoph Hellwig # significant advantages. 1193db91427bSChristoph Hellwig # 1194419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1195f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11962ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 119734dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 1198f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 119934dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 12004ce588cdSRalf Baechle 120136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 12021da177e4SLinus Torvalds bool 12031da177e4SLinus Torvalds 12041b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1205dbb74540SRalf Baechle bool 1206dbb74540SRalf Baechle 12071da177e4SLinus Torvaldsconfig MIPS_BONITO64 12081da177e4SLinus Torvalds bool 12091da177e4SLinus Torvalds 12101da177e4SLinus Torvaldsconfig MIPS_MSC 12111da177e4SLinus Torvalds bool 12121da177e4SLinus Torvalds 12131f21d2bdSBrian Murphyconfig MIPS_NILE4 12141f21d2bdSBrian Murphy bool 12151f21d2bdSBrian Murphy 121639b8d525SRalf Baechleconfig SYNC_R4K 121739b8d525SRalf Baechle bool 121839b8d525SRalf Baechle 1219487d70d0SGabor Juhosconfig MIPS_MACHINE 1220487d70d0SGabor Juhos def_bool n 1221487d70d0SGabor Juhos 1222ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1223d388d685SMaciej W. Rozycki def_bool n 1224d388d685SMaciej W. Rozycki 12254e0748f5SMarkos Chandrasconfig GENERIC_CSUM 12264e0748f5SMarkos Chandras bool 1227932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 12284e0748f5SMarkos Chandras 12298313da30SRalf Baechleconfig GENERIC_ISA_DMA 12308313da30SRalf Baechle bool 12318313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1232a35bee8aSNamhyung Kim select ISA_DMA_API 12338313da30SRalf Baechle 1234aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1235aa414dffSRalf Baechle bool 12368313da30SRalf Baechle select GENERIC_ISA_DMA 1237aa414dffSRalf Baechle 1238a35bee8aSNamhyung Kimconfig ISA_DMA_API 1239a35bee8aSNamhyung Kim bool 1240a35bee8aSNamhyung Kim 1241465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1242465aaed0SDavid Daney bool 1243465aaed0SDavid Daney 12448c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 12458c530ea3SMatt Redfearn bool 12468c530ea3SMatt Redfearn help 12478c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 12488c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 12498c530ea3SMatt Redfearn to allow access to command line and entropy sources. 12508c530ea3SMatt Redfearn 1251f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1252f381bf6dSDavid Daney def_bool y 1253f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1254f381bf6dSDavid Daney 1255f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1256f381bf6dSDavid Daney def_bool y 1257f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1258f381bf6dSDavid Daney 1259f381bf6dSDavid Daney 12605e83d430SRalf Baechle# 12616b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12625e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12635e83d430SRalf Baechle# choice statement should be more obvious to the user. 12645e83d430SRalf Baechle# 12655e83d430SRalf Baechlechoice 12666b2aac42SMasanari Iida prompt "Endianness selection" 12671da177e4SLinus Torvalds help 12681da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12695e83d430SRalf Baechle byte order. These modes require different kernels and a different 12703cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12715e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12723dde6ad8SDavid Sterba one or the other endianness. 12735e83d430SRalf Baechle 12745e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12755e83d430SRalf Baechle bool "Big endian" 12765e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12775e83d430SRalf Baechle 12785e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12795e83d430SRalf Baechle bool "Little endian" 12805e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12815e83d430SRalf Baechle 12825e83d430SRalf Baechleendchoice 12835e83d430SRalf Baechle 128422b0763aSDavid Daneyconfig EXPORT_UASM 128522b0763aSDavid Daney bool 128622b0763aSDavid Daney 12872116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12882116245eSRalf Baechle bool 12892116245eSRalf Baechle 12905e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12915e83d430SRalf Baechle bool 12925e83d430SRalf Baechle 12935e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12945e83d430SRalf Baechle bool 12951da177e4SLinus Torvalds 12969cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12979cffd154SDavid Daney bool 129845e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12999cffd154SDavid Daney default y 13009cffd154SDavid Daney 1301aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1302aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1303aa1762f4SDavid Daney 13041da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 13051da177e4SLinus Torvalds bool 13061da177e4SLinus Torvalds 13079267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 13089267a30dSMarc St-Jean bool 13099267a30dSMarc St-Jean 13109267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 13119267a30dSMarc St-Jean bool 13129267a30dSMarc St-Jean 13138420fd00SAtsushi Nemotoconfig IRQ_TXX9 13148420fd00SAtsushi Nemoto bool 13158420fd00SAtsushi Nemoto 1316d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1317d5ab1a69SYoichi Yuasa bool 1318d5ab1a69SYoichi Yuasa 1319252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 13201da177e4SLinus Torvalds bool 13211da177e4SLinus Torvalds 1322a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1323a57140e9SThomas Bogendoerfer bool 1324a57140e9SThomas Bogendoerfer 13259267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 13269267a30dSMarc St-Jean bool 13279267a30dSMarc St-Jean 1328a83860c2SRalf Baechleconfig SOC_EMMA2RH 1329a83860c2SRalf Baechle bool 1330a83860c2SRalf Baechle select CEVT_R4K 1331a83860c2SRalf Baechle select CSRC_R4K 1332a83860c2SRalf Baechle select DMA_NONCOHERENT 133367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1334a83860c2SRalf Baechle select SWAP_IO_SPACE 1335a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1336a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1337a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1338a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1339a83860c2SRalf Baechle 1340edb6310aSDaniel Lairdconfig SOC_PNX833X 1341edb6310aSDaniel Laird bool 1342edb6310aSDaniel Laird select CEVT_R4K 1343edb6310aSDaniel Laird select CSRC_R4K 134467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1345edb6310aSDaniel Laird select DMA_NONCOHERENT 1346edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1347edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1348edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1349edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1350377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1351edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1352edb6310aSDaniel Laird 1353edb6310aSDaniel Lairdconfig SOC_PNX8335 1354edb6310aSDaniel Laird bool 1355edb6310aSDaniel Laird select SOC_PNX833X 1356edb6310aSDaniel Laird 1357a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1358a7e07b1aSMarkos Chandras bool 1359a7e07b1aSMarkos Chandras 13601da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13611da177e4SLinus Torvalds bool 13621da177e4SLinus Torvalds 1363e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1364e2defae5SThomas Bogendoerfer bool 1365e2defae5SThomas Bogendoerfer 13665b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13675b438c44SThomas Bogendoerfer bool 13685b438c44SThomas Bogendoerfer 1369e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1370e2defae5SThomas Bogendoerfer bool 1371e2defae5SThomas Bogendoerfer 1372e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1373e2defae5SThomas Bogendoerfer bool 1374e2defae5SThomas Bogendoerfer 1375e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1376e2defae5SThomas Bogendoerfer bool 1377e2defae5SThomas Bogendoerfer 1378e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1379e2defae5SThomas Bogendoerfer bool 1380e2defae5SThomas Bogendoerfer 1381e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1382e2defae5SThomas Bogendoerfer bool 1383e2defae5SThomas Bogendoerfer 13840e2794b0SRalf Baechleconfig FW_ARC32 13855e83d430SRalf Baechle bool 13865e83d430SRalf Baechle 1387aaa9fad3SPaul Bolleconfig FW_SNIPROM 1388231a35d3SThomas Bogendoerfer bool 1389231a35d3SThomas Bogendoerfer 13901da177e4SLinus Torvaldsconfig BOOT_ELF32 13911da177e4SLinus Torvalds bool 13921da177e4SLinus Torvalds 1393930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1394930beb5aSFlorian Fainelli bool 1395930beb5aSFlorian Fainelli 1396930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1397930beb5aSFlorian Fainelli bool 1398930beb5aSFlorian Fainelli 1399930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1400930beb5aSFlorian Fainelli bool 1401930beb5aSFlorian Fainelli 1402930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1403930beb5aSFlorian Fainelli bool 1404930beb5aSFlorian Fainelli 14051da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 14061da177e4SLinus Torvalds int 1407a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 14085432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 14095432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 14105432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 14111da177e4SLinus Torvalds default "5" 14121da177e4SLinus Torvalds 14131da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 14141da177e4SLinus Torvalds bool 14151da177e4SLinus Torvalds 1416e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1417e9422427SThomas Bogendoerfer bool 1418e9422427SThomas Bogendoerfer 14191da177e4SLinus Torvaldsconfig ARC_CONSOLE 14201da177e4SLinus Torvalds bool "ARC console support" 1421e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 14221da177e4SLinus Torvalds 14231da177e4SLinus Torvaldsconfig ARC_MEMORY 14241da177e4SLinus Torvalds bool 14251da177e4SLinus Torvalds 14261da177e4SLinus Torvaldsconfig ARC_PROMLIB 14271da177e4SLinus Torvalds bool 14281da177e4SLinus Torvalds 14290e2794b0SRalf Baechleconfig FW_ARC64 14301da177e4SLinus Torvalds bool 14311da177e4SLinus Torvalds 14321da177e4SLinus Torvaldsconfig BOOT_ELF64 14331da177e4SLinus Torvalds bool 14341da177e4SLinus Torvalds 14351da177e4SLinus Torvaldsmenu "CPU selection" 14361da177e4SLinus Torvalds 14371da177e4SLinus Torvaldschoice 14381da177e4SLinus Torvalds prompt "CPU type" 14391da177e4SLinus Torvalds default CPU_R4X00 14401da177e4SLinus Torvalds 1441268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1442caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1443268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1444d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 14450e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 14460e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 14470e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 14487507445bSHuacai Chen select CPU_SUPPORTS_MSA 1449932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 14500e476d91SHuacai Chen select WEAK_ORDERING 14510e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 14527507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1453b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 145417c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1455d30a2b47SLinus Walleij select GPIOLIB 145609230cbcSChristoph Hellwig select SWIOTLB 14570e476d91SHuacai Chen help 1458caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1459caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1460caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1461caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1462caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 14630e476d91SHuacai Chen 1464caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1465caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 14661e820da3SHuacai Chen default n 14671e820da3SHuacai Chen select CPU_MIPSR2 14681e820da3SHuacai Chen select CPU_HAS_PREFETCH 1469268a2d60SJiaxun Yang depends on CPU_LOONGSON64 14701e820da3SHuacai Chen help 1471caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 14721e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1473268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14741e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14751e820da3SHuacai Chen Fast TLB refill support, etc. 14761e820da3SHuacai Chen 14771e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14781e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14791e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1480caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 14811e820da3SHuacai Chen 1482e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1483caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1484e02e07e3SHuacai Chen default y if SMP 1485268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1486e02e07e3SHuacai Chen help 1487caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1488e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1489e02e07e3SHuacai Chen 1490caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1491e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1492e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1493e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1494e02e07e3SHuacai Chen 1495e02e07e3SHuacai Chen If unsure, please say Y. 1496e02e07e3SHuacai Chen 14973702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14983702bba5SWu Zhangjin bool "Loongson 2E" 14993702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1500268a2d60SJiaxun Yang select CPU_LOONGSON2EF 15012a21c730SFuxin Zhang help 15022a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 15032a21c730SFuxin Zhang with many extensions. 15042a21c730SFuxin Zhang 150525985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 15066f7a251aSWu Zhangjin bonito64. 15076f7a251aSWu Zhangjin 15086f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 15096f7a251aSWu Zhangjin bool "Loongson 2F" 15106f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1511268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1512d30a2b47SLinus Walleij select GPIOLIB 15136f7a251aSWu Zhangjin help 15146f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 15156f7a251aSWu Zhangjin with many extensions. 15166f7a251aSWu Zhangjin 15176f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 15186f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 15196f7a251aSWu Zhangjin Loongson2E. 15206f7a251aSWu Zhangjin 1521ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1522ca585cf9SKelvin Cheung bool "Loongson 1B" 1523ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1524b2afb64cSHuacai Chen select CPU_LOONGSON32 15259ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1526ca585cf9SKelvin Cheung help 1527ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1528968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1529968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1530ca585cf9SKelvin Cheung 153112e3280bSYang Lingconfig CPU_LOONGSON1C 153212e3280bSYang Ling bool "Loongson 1C" 153312e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1534b2afb64cSHuacai Chen select CPU_LOONGSON32 153512e3280bSYang Ling select LEDS_GPIO_REGISTER 153612e3280bSYang Ling help 153712e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1538968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1539968dc5a0S谢致邦 (XIE Zhibang) instruction set. 154012e3280bSYang Ling 15416e760c8dSRalf Baechleconfig CPU_MIPS32_R1 15426e760c8dSRalf Baechle bool "MIPS32 Release 1" 15437cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 15446e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1545932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1546797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1547ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15486e760c8dSRalf Baechle help 15495e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 15501e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15511e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15521e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15531e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15541e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 15551e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 15561e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 15571e5f1caaSRalf Baechle performance. 15581e5f1caaSRalf Baechle 15591e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15601e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15617cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15621e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1563932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1564797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1565ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1566a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15672235a54dSSanjay Lal select HAVE_KVM 15681e5f1caaSRalf Baechle help 15695e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15706e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15716e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15726e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15736e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15741da177e4SLinus Torvalds 15757fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1576674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15777fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15787fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15797fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15807fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15817fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15827fd08ca5SLeonid Yegoshin select HAVE_KVM 15837fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15847fd08ca5SLeonid Yegoshin help 15857fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15867fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15877fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15887fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15897fd08ca5SLeonid Yegoshin 15906e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15916e760c8dSRalf Baechle bool "MIPS64 Release 1" 15927cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1593797798c1SRalf Baechle select CPU_HAS_PREFETCH 1594932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1595ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1597ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15989cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15996e760c8dSRalf Baechle help 16006e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 16016e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16026e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16036e760c8dSRalf Baechle specific type of processor in your system, choose those that one 16046e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16051e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 16061e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 16071e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 16081e5f1caaSRalf Baechle performance. 16091e5f1caaSRalf Baechle 16101e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 16111e5f1caaSRalf Baechle bool "MIPS64 Release 2" 16127cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1613797798c1SRalf Baechle select CPU_HAS_PREFETCH 1614932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16151e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16161e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1617ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16189cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1619a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 162040a2df49SJames Hogan select HAVE_KVM 16211e5f1caaSRalf Baechle help 16221e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 16231e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16241e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16251e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 16261e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16271da177e4SLinus Torvalds 16287fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1629674d10e2SMarkos Chandras bool "MIPS64 Release 6" 16307fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 16317fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 16327fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 16337fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 16347fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1635afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 16367fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16372e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 163840a2df49SJames Hogan select HAVE_KVM 16397fd08ca5SLeonid Yegoshin help 16407fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16417fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16427fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16437fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16447fd08ca5SLeonid Yegoshin 16451da177e4SLinus Torvaldsconfig CPU_R3000 16461da177e4SLinus Torvalds bool "R3000" 16477cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1648f7062ddbSRalf Baechle select CPU_HAS_WB 1649932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 165054746829SPaul Burton select CPU_R3K_TLB 1651ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1652797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16531da177e4SLinus Torvalds help 16541da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16551da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16561da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16571da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16581da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16591da177e4SLinus Torvalds try to recompile with R3000. 16601da177e4SLinus Torvalds 16611da177e4SLinus Torvaldsconfig CPU_TX39XX 16621da177e4SLinus Torvalds bool "R39XX" 16637cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1664ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1665932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 166654746829SPaul Burton select CPU_R3K_TLB 16671da177e4SLinus Torvalds 16681da177e4SLinus Torvaldsconfig CPU_VR41XX 16691da177e4SLinus Torvalds bool "R41xx" 16707cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1671ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1672ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1673932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16741da177e4SLinus Torvalds help 16755e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16761da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16771da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16781da177e4SLinus Torvalds processor or vice versa. 16791da177e4SLinus Torvalds 16801da177e4SLinus Torvaldsconfig CPU_R4X00 16811da177e4SLinus Torvalds bool "R4x00" 16827cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1683ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1684ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1685970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1686932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16871da177e4SLinus Torvalds help 16881da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16891da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16901da177e4SLinus Torvalds 16911da177e4SLinus Torvaldsconfig CPU_TX49XX 16921da177e4SLinus Torvalds bool "R49XX" 16937cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1694de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1695932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1696ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1697ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1698970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16991da177e4SLinus Torvalds 17001da177e4SLinus Torvaldsconfig CPU_R5000 17011da177e4SLinus Torvalds bool "R5000" 17027cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1703ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1704ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1705970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1706932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17071da177e4SLinus Torvalds help 17081da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 17091da177e4SLinus Torvalds 1710542c1020SShinya Kuribayashiconfig CPU_R5500 1711542c1020SShinya Kuribayashi bool "R5500" 1712542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1713542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1714542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 17159cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1716932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1717542c1020SShinya Kuribayashi help 1718542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1719542c1020SShinya Kuribayashi instruction set. 1720542c1020SShinya Kuribayashi 17211da177e4SLinus Torvaldsconfig CPU_NEVADA 17221da177e4SLinus Torvalds bool "RM52xx" 17237cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1724ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1725ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1726970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1727932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17281da177e4SLinus Torvalds help 17291da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 17301da177e4SLinus Torvalds 17311da177e4SLinus Torvaldsconfig CPU_R10000 17321da177e4SLinus Torvalds bool "R10000" 17337cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 17345e83d430SRalf Baechle select CPU_HAS_PREFETCH 1735932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1736ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1737ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1738797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1739970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17401da177e4SLinus Torvalds help 17411da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17421da177e4SLinus Torvalds 17431da177e4SLinus Torvaldsconfig CPU_RM7000 17441da177e4SLinus Torvalds bool "RM7000" 17457cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17465e83d430SRalf Baechle select CPU_HAS_PREFETCH 1747932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1748ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1749ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1750797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1751970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17521da177e4SLinus Torvalds 17531da177e4SLinus Torvaldsconfig CPU_SB1 17541da177e4SLinus Torvalds bool "SB1" 17557cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1756932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1757ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1758ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1759797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1760970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17610004a9dfSRalf Baechle select WEAK_ORDERING 17621da177e4SLinus Torvalds 1763a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1764a86c7f72SDavid Daney bool "Cavium Octeon processor" 17655e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1766a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1767932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1768a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1769a86c7f72SDavid Daney select WEAK_ORDERING 1770a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17719cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1772df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1773df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1774930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17750ae3abcdSJames Hogan select HAVE_KVM 1776a86c7f72SDavid Daney help 1777a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1778a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1779a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1780a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1781a86c7f72SDavid Daney 1782cd746249SJonas Gorskiconfig CPU_BMIPS 1783cd746249SJonas Gorski bool "Broadcom BMIPS" 1784cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1785cd746249SJonas Gorski select CPU_MIPS32 1786fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1787cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1788cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1789cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1790cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1791cd746249SJonas Gorski select DMA_NONCOHERENT 179267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1793cd746249SJonas Gorski select SWAP_IO_SPACE 1794cd746249SJonas Gorski select WEAK_ORDERING 1795c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 179669aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1797932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1798a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1799a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1800c1c0c461SKevin Cernekee help 1801fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1802c1c0c461SKevin Cernekee 18037f058e85SJayachandran Cconfig CPU_XLR 18047f058e85SJayachandran C bool "Netlogic XLR SoC" 18057f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1806932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18077f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18087f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18097f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1810970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18117f058e85SJayachandran C select WEAK_ORDERING 18127f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18137f058e85SJayachandran C help 18147f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 18151c773ea4SJayachandran C 18161c773ea4SJayachandran Cconfig CPU_XLP 18171c773ea4SJayachandran C bool "Netlogic XLP SoC" 18181c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 18191c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18201c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18211c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 18221c773ea4SJayachandran C select WEAK_ORDERING 18231c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18241c773ea4SJayachandran C select CPU_HAS_PREFETCH 1825932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1826d6504846SJayachandran C select CPU_MIPSR2 1827ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 18282db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 18291c773ea4SJayachandran C help 18301c773ea4SJayachandran C Netlogic Microsystems XLP processors. 18311da177e4SLinus Torvaldsendchoice 18321da177e4SLinus Torvalds 1833a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1834a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1835a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 18367fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1837a6e18781SLeonid Yegoshin help 1838a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1839a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1840a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1841a6e18781SLeonid Yegoshin 1842a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1843a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1844a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1845a6e18781SLeonid Yegoshin select EVA 1846a6e18781SLeonid Yegoshin default y 1847a6e18781SLeonid Yegoshin help 1848a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1849a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1850a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1851a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1852a6e18781SLeonid Yegoshin 1853c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1854c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1855c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1856c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1857c5b36783SSteven J. Hill help 1858c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1859c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1860c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1861c5b36783SSteven J. Hill 1862c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1863c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1864c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1865c5b36783SSteven J. Hill depends on !EVA 1866c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1867c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1868c5b36783SSteven J. Hill select XPA 1869c5b36783SSteven J. Hill select HIGHMEM 1870d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1871c5b36783SSteven J. Hill default n 1872c5b36783SSteven J. Hill help 1873c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1874c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1875c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1876c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1877c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1878c5b36783SSteven J. Hill If unsure, say 'N' here. 1879c5b36783SSteven J. Hill 1880622844bfSWu Zhangjinif CPU_LOONGSON2F 1881622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1882622844bfSWu Zhangjin bool 1883622844bfSWu Zhangjin 1884622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1885622844bfSWu Zhangjin bool 1886622844bfSWu Zhangjin 1887622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1888622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1889622844bfSWu Zhangjin default y 1890622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1891622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1892622844bfSWu Zhangjin help 1893622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1894622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1895622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1896622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1897622844bfSWu Zhangjin 1898622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1899622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1900622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1901622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1902622844bfSWu Zhangjin systems. 1903622844bfSWu Zhangjin 1904622844bfSWu Zhangjin If unsure, please say Y. 1905622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1906622844bfSWu Zhangjin 19071b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 19081b93b3c3SWu Zhangjin bool 19091b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 19101b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 191131c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 19121b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1913fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 19144e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 19151b93b3c3SWu Zhangjin 19161b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 19171b93b3c3SWu Zhangjin bool 19181b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 19191b93b3c3SWu Zhangjin 1920dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1921dbb98314SAlban Bedel bool 1922dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1923dbb98314SAlban Bedel 1924268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 19253702bba5SWu Zhangjin bool 19263702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 19273702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 19283702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1929970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1930e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1931932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 19323702bba5SWu Zhangjin 1933b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1934ca585cf9SKelvin Cheung bool 1935ca585cf9SKelvin Cheung select CPU_MIPS32 19367e280f6bSJiaxun Yang select CPU_MIPSR2 1937ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1938932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1939ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1940ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1941f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1942ca585cf9SKelvin Cheung 1943fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 194404fa8bf7SJonas Gorski select SMP_UP if SMP 19451bbb6c1bSKevin Cernekee bool 1946cd746249SJonas Gorski 1947cd746249SJonas Gorskiconfig CPU_BMIPS4350 1948cd746249SJonas Gorski bool 1949cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1950cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1951cd746249SJonas Gorski 1952cd746249SJonas Gorskiconfig CPU_BMIPS4380 1953cd746249SJonas Gorski bool 1954bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1955cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1956cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1957b4720809SFlorian Fainelli select CPU_HAS_RIXI 1958cd746249SJonas Gorski 1959cd746249SJonas Gorskiconfig CPU_BMIPS5000 1960cd746249SJonas Gorski bool 1961cd746249SJonas Gorski select MIPS_CPU_SCACHE 1962bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1963cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1964cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1965b4720809SFlorian Fainelli select CPU_HAS_RIXI 19661bbb6c1bSKevin Cernekee 1967268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19680e476d91SHuacai Chen bool 19690e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1970b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19710e476d91SHuacai Chen 19723702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19732a21c730SFuxin Zhang bool 19742a21c730SFuxin Zhang 19756f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19766f7a251aSWu Zhangjin bool 197755045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 197855045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 19796f7a251aSWu Zhangjin 1980ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1981ca585cf9SKelvin Cheung bool 1982ca585cf9SKelvin Cheung 198312e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 198412e3280bSYang Ling bool 198512e3280bSYang Ling 19867cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19877cf8053bSRalf Baechle bool 19887cf8053bSRalf Baechle 19897cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19907cf8053bSRalf Baechle bool 19917cf8053bSRalf Baechle 1992a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1993a6e18781SLeonid Yegoshin bool 1994a6e18781SLeonid Yegoshin 1995c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1996c5b36783SSteven J. Hill bool 19979ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1998c5b36783SSteven J. Hill 19997fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 20007fd08ca5SLeonid Yegoshin bool 20019ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20027fd08ca5SLeonid Yegoshin 20037cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 20047cf8053bSRalf Baechle bool 20057cf8053bSRalf Baechle 20067cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 20077cf8053bSRalf Baechle bool 20087cf8053bSRalf Baechle 20097fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 20107fd08ca5SLeonid Yegoshin bool 20119ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20127fd08ca5SLeonid Yegoshin 20137cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 20147cf8053bSRalf Baechle bool 20157cf8053bSRalf Baechle 20167cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 20177cf8053bSRalf Baechle bool 20187cf8053bSRalf Baechle 20197cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 20207cf8053bSRalf Baechle bool 20217cf8053bSRalf Baechle 20227cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 20237cf8053bSRalf Baechle bool 20247cf8053bSRalf Baechle 20257cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 20267cf8053bSRalf Baechle bool 20277cf8053bSRalf Baechle 20287cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 20297cf8053bSRalf Baechle bool 20307cf8053bSRalf Baechle 2031542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 2032542c1020SShinya Kuribayashi bool 2033542c1020SShinya Kuribayashi 20347cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 20357cf8053bSRalf Baechle bool 20367cf8053bSRalf Baechle 20377cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20387cf8053bSRalf Baechle bool 20399ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20407cf8053bSRalf Baechle 20417cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20427cf8053bSRalf Baechle bool 20437cf8053bSRalf Baechle 20447cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20457cf8053bSRalf Baechle bool 20467cf8053bSRalf Baechle 20475e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20485e683389SDavid Daney bool 20495e683389SDavid Daney 2050cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2051c1c0c461SKevin Cernekee bool 2052c1c0c461SKevin Cernekee 2053fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2054c1c0c461SKevin Cernekee bool 2055cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2056c1c0c461SKevin Cernekee 2057c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2058c1c0c461SKevin Cernekee bool 2059cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2060c1c0c461SKevin Cernekee 2061c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2062c1c0c461SKevin Cernekee bool 2063cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2064c1c0c461SKevin Cernekee 2065c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2066c1c0c461SKevin Cernekee bool 2067cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2068f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2069c1c0c461SKevin Cernekee 20707f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20717f058e85SJayachandran C bool 20727f058e85SJayachandran C 20731c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20741c773ea4SJayachandran C bool 20751c773ea4SJayachandran C 207617099b11SRalf Baechle# 207717099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 207817099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 207917099b11SRalf Baechle# 20800004a9dfSRalf Baechleconfig WEAK_ORDERING 20810004a9dfSRalf Baechle bool 208217099b11SRalf Baechle 208317099b11SRalf Baechle# 208417099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 208517099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 208617099b11SRalf Baechle# 208717099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 208817099b11SRalf Baechle bool 20895e83d430SRalf Baechleendmenu 20905e83d430SRalf Baechle 20915e83d430SRalf Baechle# 20925e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20935e83d430SRalf Baechle# 20945e83d430SRalf Baechleconfig CPU_MIPS32 20955e83d430SRalf Baechle bool 20967fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20975e83d430SRalf Baechle 20985e83d430SRalf Baechleconfig CPU_MIPS64 20995e83d430SRalf Baechle bool 21007fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 21015e83d430SRalf Baechle 21025e83d430SRalf Baechle# 210357eeacedSPaul Burton# These indicate the revision of the architecture 21045e83d430SRalf Baechle# 21055e83d430SRalf Baechleconfig CPU_MIPSR1 21065e83d430SRalf Baechle bool 21075e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 21085e83d430SRalf Baechle 21095e83d430SRalf Baechleconfig CPU_MIPSR2 21105e83d430SRalf Baechle bool 2111a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 21128256b17eSFlorian Fainelli select CPU_HAS_RIXI 2113a7e07b1aSMarkos Chandras select MIPS_SPRAM 21145e83d430SRalf Baechle 21157fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 21167fd08ca5SLeonid Yegoshin bool 21177fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 21188256b17eSFlorian Fainelli select CPU_HAS_RIXI 211987321fddSPaul Burton select HAVE_ARCH_BITREVERSE 21202db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 21214a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2122a7e07b1aSMarkos Chandras select MIPS_SPRAM 21235e83d430SRalf Baechle 212457eeacedSPaul Burtonconfig TARGET_ISA_REV 212557eeacedSPaul Burton int 212657eeacedSPaul Burton default 1 if CPU_MIPSR1 212757eeacedSPaul Burton default 2 if CPU_MIPSR2 212857eeacedSPaul Burton default 6 if CPU_MIPSR6 212957eeacedSPaul Burton default 0 213057eeacedSPaul Burton help 213157eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 213257eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 213357eeacedSPaul Burton 2134a6e18781SLeonid Yegoshinconfig EVA 2135a6e18781SLeonid Yegoshin bool 2136a6e18781SLeonid Yegoshin 2137c5b36783SSteven J. Hillconfig XPA 2138c5b36783SSteven J. Hill bool 2139c5b36783SSteven J. Hill 21405e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21415e83d430SRalf Baechle bool 21425e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21435e83d430SRalf Baechle bool 21445e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21455e83d430SRalf Baechle bool 21465e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21475e83d430SRalf Baechle bool 214855045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 214955045ff5SWu Zhangjin bool 215055045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 215155045ff5SWu Zhangjin bool 21529cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21539cffd154SDavid Daney bool 2154171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 215582622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 215682622284SDavid Daney bool 2157cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21585e83d430SRalf Baechle 21598192c9eaSDavid Daney# 21608192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21618192c9eaSDavid Daney# 21628192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21638192c9eaSDavid Daney bool 2164679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21658192c9eaSDavid Daney 21665e83d430SRalf Baechlemenu "Kernel type" 21675e83d430SRalf Baechle 21685e83d430SRalf Baechlechoice 21695e83d430SRalf Baechle prompt "Kernel code model" 21705e83d430SRalf Baechle help 21715e83d430SRalf Baechle You should only select this option if you have a workload that 21725e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21735e83d430SRalf Baechle large memory. You will only be presented a single option in this 21745e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21755e83d430SRalf Baechle 21765e83d430SRalf Baechleconfig 32BIT 21775e83d430SRalf Baechle bool "32-bit kernel" 21785e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21795e83d430SRalf Baechle select TRAD_SIGNALS 21805e83d430SRalf Baechle help 21815e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2182f17c4ca3SRalf Baechle 21835e83d430SRalf Baechleconfig 64BIT 21845e83d430SRalf Baechle bool "64-bit kernel" 21855e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21865e83d430SRalf Baechle help 21875e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21885e83d430SRalf Baechle 21895e83d430SRalf Baechleendchoice 21905e83d430SRalf Baechle 21912235a54dSSanjay Lalconfig KVM_GUEST 21922235a54dSSanjay Lal bool "KVM Guest Kernel" 2193f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21942235a54dSSanjay Lal help 2195caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2196caa1faa7SJames Hogan mode. 21972235a54dSSanjay Lal 2198eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2199eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 22002235a54dSSanjay Lal depends on KVM_GUEST 2201eda3d33cSJames Hogan default 100 22022235a54dSSanjay Lal help 2203eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2204eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2205eda3d33cSJames Hogan timer frequency is specified directly. 22062235a54dSSanjay Lal 22071e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 22081e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 22091e321fa9SLeonid Yegoshin depends on 64BIT 22101e321fa9SLeonid Yegoshin help 22113377e227SAlex Belits Support a maximum at least 48 bits of application virtual 22123377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 22133377e227SAlex Belits For page sizes 16k and above, this option results in a small 22143377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 22153377e227SAlex Belits level of page tables is added which imposes both a memory 22163377e227SAlex Belits overhead as well as slower TLB fault handling. 22173377e227SAlex Belits 22181e321fa9SLeonid Yegoshin If unsure, say N. 22191e321fa9SLeonid Yegoshin 22201da177e4SLinus Torvaldschoice 22211da177e4SLinus Torvalds prompt "Kernel page size" 22221da177e4SLinus Torvalds default PAGE_SIZE_4KB 22231da177e4SLinus Torvalds 22241da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 22251da177e4SLinus Torvalds bool "4kB" 2226268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 22271da177e4SLinus Torvalds help 22281da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 22291da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 22301da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 22311da177e4SLinus Torvalds recommended for low memory systems. 22321da177e4SLinus Torvalds 22331da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22341da177e4SLinus Torvalds bool "8kB" 2235c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22361e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22371da177e4SLinus Torvalds help 22381da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22391da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2240c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2241c2aeaaeaSPaul Burton distribution to support this. 22421da177e4SLinus Torvalds 22431da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22441da177e4SLinus Torvalds bool "16kB" 2245714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22461da177e4SLinus Torvalds help 22471da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22481da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2249714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2250714bfad6SRalf Baechle Linux distribution to support this. 22511da177e4SLinus Torvalds 2252c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2253c52399beSRalf Baechle bool "32kB" 2254c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22551e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2256c52399beSRalf Baechle help 2257c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2258c52399beSRalf Baechle the price of higher memory consumption. This option is available 2259c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2260c52399beSRalf Baechle distribution to support this. 2261c52399beSRalf Baechle 22621da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22631da177e4SLinus Torvalds bool "64kB" 22643b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22651da177e4SLinus Torvalds help 22661da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22671da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22681da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2269714bfad6SRalf Baechle writing this option is still high experimental. 22701da177e4SLinus Torvalds 22711da177e4SLinus Torvaldsendchoice 22721da177e4SLinus Torvalds 2273c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2274c9bace7cSDavid Daney int "Maximum zone order" 2275e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2276e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2277e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2278e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2279e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2280e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2281c9bace7cSDavid Daney range 11 64 2282c9bace7cSDavid Daney default "11" 2283c9bace7cSDavid Daney help 2284c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2285c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2286c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2287c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2288c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2289c9bace7cSDavid Daney increase this value. 2290c9bace7cSDavid Daney 2291c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2292c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2293c9bace7cSDavid Daney 2294c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2295c9bace7cSDavid Daney when choosing a value for this option. 2296c9bace7cSDavid Daney 22971da177e4SLinus Torvaldsconfig BOARD_SCACHE 22981da177e4SLinus Torvalds bool 22991da177e4SLinus Torvalds 23001da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 23011da177e4SLinus Torvalds bool 23021da177e4SLinus Torvalds select BOARD_SCACHE 23031da177e4SLinus Torvalds 23049318c51aSChris Dearman# 23059318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 23069318c51aSChris Dearman# 23079318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 23089318c51aSChris Dearman bool 23099318c51aSChris Dearman select BOARD_SCACHE 23109318c51aSChris Dearman 23111da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 23121da177e4SLinus Torvalds bool 23131da177e4SLinus Torvalds select BOARD_SCACHE 23141da177e4SLinus Torvalds 23151da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 23161da177e4SLinus Torvalds bool 23171da177e4SLinus Torvalds select BOARD_SCACHE 23181da177e4SLinus Torvalds 23191da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 23201da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 23211da177e4SLinus Torvalds depends on CPU_SB1 23221da177e4SLinus Torvalds help 23231da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 23241da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 23251da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 23261da177e4SLinus Torvalds 23271da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2328c8094b53SRalf Baechle bool 23291da177e4SLinus Torvalds 23303165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 23313165c846SFlorian Fainelli bool 2332c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 23333165c846SFlorian Fainelli 2334c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2335183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2336183b40f9SPaul Burton default y 2337183b40f9SPaul Burton help 2338183b40f9SPaul Burton Select y to include support for floating point in the kernel 2339183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2340183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2341183b40f9SPaul Burton userland program attempting to use floating point instructions will 2342183b40f9SPaul Burton receive a SIGILL. 2343183b40f9SPaul Burton 2344183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2345183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2346183b40f9SPaul Burton 2347183b40f9SPaul Burton If unsure, say y. 2348c92e47e5SPaul Burton 234997f7dcbfSPaul Burtonconfig CPU_R2300_FPU 235097f7dcbfSPaul Burton bool 2351c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 235297f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 235397f7dcbfSPaul Burton 235454746829SPaul Burtonconfig CPU_R3K_TLB 235554746829SPaul Burton bool 235654746829SPaul Burton 235791405eb6SFlorian Fainelliconfig CPU_R4K_FPU 235891405eb6SFlorian Fainelli bool 2359c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 236097f7dcbfSPaul Burton default y if !CPU_R2300_FPU 236191405eb6SFlorian Fainelli 236262cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 236362cedc4fSFlorian Fainelli bool 236454746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 236562cedc4fSFlorian Fainelli 236659d6ab86SRalf Baechleconfig MIPS_MT_SMP 2367a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23685cbf9688SPaul Burton default y 2369527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 237059d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2371d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2372c080faa5SSteven J. Hill select SYNC_R4K 237359d6ab86SRalf Baechle select MIPS_MT 237459d6ab86SRalf Baechle select SMP 237587353d8aSRalf Baechle select SMP_UP 2376c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2377c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2378399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 237959d6ab86SRalf Baechle help 2380c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2381c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2382c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2383c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2384c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 238559d6ab86SRalf Baechle 2386f41ae0b2SRalf Baechleconfig MIPS_MT 2387f41ae0b2SRalf Baechle bool 2388f41ae0b2SRalf Baechle 23890ab7aefcSRalf Baechleconfig SCHED_SMT 23900ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23910ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23920ab7aefcSRalf Baechle default n 23930ab7aefcSRalf Baechle help 23940ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23950ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23960ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23970ab7aefcSRalf Baechle 23980ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23990ab7aefcSRalf Baechle bool 24000ab7aefcSRalf Baechle 2401f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2402f41ae0b2SRalf Baechle bool 2403f41ae0b2SRalf Baechle 2404f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2405f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2406f088fc84SRalf Baechle default y 2407b633648cSRalf Baechle depends on MIPS_MT_SMP 240807cc0c9eSRalf Baechle 2409b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2410b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 24119eaa9a82SPaul Burton depends on CPU_MIPSR6 2412c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2413b0a668fbSLeonid Yegoshin default y 2414b0a668fbSLeonid Yegoshin help 2415b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2416b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 241707edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2418b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2419b0a668fbSLeonid Yegoshin final kernel image. 2420b0a668fbSLeonid Yegoshin 2421f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2422f35764e7SJames Hogan bool 2423f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2424f35764e7SJames Hogan help 2425f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2426f35764e7SJames Hogan physical_memsize. 2427f35764e7SJames Hogan 242807cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 242907cc0c9eSRalf Baechle bool "VPE loader support." 2430f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 243107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 243207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 243307cc0c9eSRalf Baechle select MIPS_MT 243407cc0c9eSRalf Baechle help 243507cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 243607cc0c9eSRalf Baechle onto another VPE and running it. 2437f088fc84SRalf Baechle 243817a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 243917a1d523SDeng-Cheng Zhu bool 244017a1d523SDeng-Cheng Zhu default "y" 244117a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 244217a1d523SDeng-Cheng Zhu 24431a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24441a2a6d7eSDeng-Cheng Zhu bool 24451a2a6d7eSDeng-Cheng Zhu default "y" 24461a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24471a2a6d7eSDeng-Cheng Zhu 2448e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2449e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2450e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2451e01402b1SRalf Baechle default y 2452e01402b1SRalf Baechle help 2453e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2454e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2455e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2456e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2457e01402b1SRalf Baechle 2458e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2459e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2460e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2461e01402b1SRalf Baechle 2462da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2463da615cf6SDeng-Cheng Zhu bool 2464da615cf6SDeng-Cheng Zhu default "y" 2465da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2466da615cf6SDeng-Cheng Zhu 24672c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24682c973ef0SDeng-Cheng Zhu bool 24692c973ef0SDeng-Cheng Zhu default "y" 24702c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24712c973ef0SDeng-Cheng Zhu 24724a16ff4cSRalf Baechleconfig MIPS_CMP 24735cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24745676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2475b10b43baSMarkos Chandras select SMP 2476eb9b5141STim Anderson select SYNC_R4K 2477b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24784a16ff4cSRalf Baechle select WEAK_ORDERING 24794a16ff4cSRalf Baechle default n 24804a16ff4cSRalf Baechle help 2481044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2482044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2483044505c7SPaul Burton its ability to start secondary CPUs. 24844a16ff4cSRalf Baechle 24855cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24865cac93b3SPaul Burton instead of this. 24875cac93b3SPaul Burton 24880ee958e1SPaul Burtonconfig MIPS_CPS 24890ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24905a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24910ee958e1SPaul Burton select MIPS_CM 24921d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24930ee958e1SPaul Burton select SMP 24940ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24951d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2496c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24970ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24980ee958e1SPaul Burton select WEAK_ORDERING 24990ee958e1SPaul Burton help 25000ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 25010ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 25020ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 25030ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 25040ee958e1SPaul Burton support is unavailable. 25050ee958e1SPaul Burton 25063179d37eSPaul Burtonconfig MIPS_CPS_PM 250739a59593SMarkos Chandras depends on MIPS_CPS 25083179d37eSPaul Burton bool 25093179d37eSPaul Burton 25109f98f3ddSPaul Burtonconfig MIPS_CM 25119f98f3ddSPaul Burton bool 25123c9b4166SPaul Burton select MIPS_CPC 25139f98f3ddSPaul Burton 25149c38cf44SPaul Burtonconfig MIPS_CPC 25159c38cf44SPaul Burton bool 25162600990eSRalf Baechle 25171da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 25181da177e4SLinus Torvalds bool 25191da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 25201da177e4SLinus Torvalds default y 25211da177e4SLinus Torvalds 25221da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 25231da177e4SLinus Torvalds bool 25241da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 25251da177e4SLinus Torvalds default y 25261da177e4SLinus Torvalds 25279e2b5372SMarkos Chandraschoice 25289e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 25299e2b5372SMarkos Chandras 25309e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 25319e2b5372SMarkos Chandras bool "None" 25329e2b5372SMarkos Chandras help 25339e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25349e2b5372SMarkos Chandras 25359693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25369693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25379e2b5372SMarkos Chandras bool "SmartMIPS" 25389693a853SFranck Bui-Huu help 25399693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25409693a853SFranck Bui-Huu increased security at both hardware and software level for 25419693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25429693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25439693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25449693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25459693a853SFranck Bui-Huu here. 25469693a853SFranck Bui-Huu 2547bce86083SSteven J. Hillconfig CPU_MICROMIPS 25487fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25499e2b5372SMarkos Chandras bool "microMIPS" 2550bce86083SSteven J. Hill help 2551bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2552bce86083SSteven J. Hill microMIPS ISA 2553bce86083SSteven J. Hill 25549e2b5372SMarkos Chandrasendchoice 25559e2b5372SMarkos Chandras 2556a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25570ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2558a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2559c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25602a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2561a5e9a69eSPaul Burton help 2562a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2563a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25641db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25651db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25661db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25671db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25681db1af84SPaul Burton the size & complexity of your kernel. 2569a5e9a69eSPaul Burton 2570a5e9a69eSPaul Burton If unsure, say Y. 2571a5e9a69eSPaul Burton 25721da177e4SLinus Torvaldsconfig CPU_HAS_WB 2573f7062ddbSRalf Baechle bool 2574e01402b1SRalf Baechle 2575df0ac8a4SKevin Cernekeeconfig XKS01 2576df0ac8a4SKevin Cernekee bool 2577df0ac8a4SKevin Cernekee 25788256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25798256b17eSFlorian Fainelli bool 25808256b17eSFlorian Fainelli 2581932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2582932afdeeSYasha Cherikovsky bool 2583932afdeeSYasha Cherikovsky help 2584932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2585932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2586932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2587932afdeeSYasha Cherikovsky 2588f41ae0b2SRalf Baechle# 2589f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2590f41ae0b2SRalf Baechle# 2591e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2592f41ae0b2SRalf Baechle bool 2593e01402b1SRalf Baechle 2594f41ae0b2SRalf Baechle# 2595f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2596f41ae0b2SRalf Baechle# 2597e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2598f41ae0b2SRalf Baechle bool 2599e01402b1SRalf Baechle 26001da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 26011da177e4SLinus Torvalds bool 26021da177e4SLinus Torvalds depends on !CPU_R3000 26031da177e4SLinus Torvalds default y 26041da177e4SLinus Torvalds 26051da177e4SLinus Torvalds# 260620d60d99SMaciej W. Rozycki# CPU non-features 260720d60d99SMaciej W. Rozycki# 260820d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 260920d60d99SMaciej W. Rozycki bool 261020d60d99SMaciej W. Rozycki 261120d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 261220d60d99SMaciej W. Rozycki bool 261320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 261420d60d99SMaciej W. Rozycki 261520d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 261620d60d99SMaciej W. Rozycki bool 261720d60d99SMaciej W. Rozycki 2618071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2619071d2f0bSPaul Burton bool 2620071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2621071d2f0bSPaul Burton 26224edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 26234edf00a4SPaul Burton int 26244edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26254edf00a4SPaul Burton default 0 26264edf00a4SPaul Burton 26274edf00a4SPaul Burtonconfig MIPS_ASID_BITS 26284edf00a4SPaul Burton int 26292db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 26304edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26314edf00a4SPaul Burton default 8 26324edf00a4SPaul Burton 26332db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26342db003a5SPaul Burton bool 26352db003a5SPaul Burton 26364a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26374a5dc51eSMarcin Nowakowski bool 26384a5dc51eSMarcin Nowakowski 263920d60d99SMaciej W. Rozycki# 26401da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26411da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26421da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26431da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26441da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26451da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26461da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26471da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2648797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2649797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2650797798c1SRalf Baechle# support. 26511da177e4SLinus Torvalds# 26521da177e4SLinus Torvaldsconfig HIGHMEM 26531da177e4SLinus Torvalds bool "High Memory Support" 2654a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2655797798c1SRalf Baechle 2656797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2657797798c1SRalf Baechle bool 2658797798c1SRalf Baechle 2659797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2660797798c1SRalf Baechle bool 26611da177e4SLinus Torvalds 26629693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26639693a853SFranck Bui-Huu bool 26649693a853SFranck Bui-Huu 2665a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2666a6a4834cSSteven J. Hill bool 2667a6a4834cSSteven J. Hill 2668377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2669377cb1b6SRalf Baechle bool 2670377cb1b6SRalf Baechle help 2671377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2672377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2673377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2674377cb1b6SRalf Baechle 2675a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2676a5e9a69eSPaul Burton bool 2677a5e9a69eSPaul Burton 2678b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2679b4819b59SYoichi Yuasa def_bool y 2680268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2681b4819b59SYoichi Yuasa 2682b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2683b1c6cd42SAtsushi Nemoto bool 2684397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 268531473747SAtsushi Nemoto 2686d8cb4e11SRalf Baechleconfig NUMA 2687d8cb4e11SRalf Baechle bool "NUMA Support" 2688d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2689d8cb4e11SRalf Baechle help 2690d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2691d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2692d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2693d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2694d8cb4e11SRalf Baechle disabled. 2695d8cb4e11SRalf Baechle 2696d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2697d8cb4e11SRalf Baechle bool 2698d8cb4e11SRalf Baechle 2699*f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA 2700*f3c560a6SThomas Bogendoerfer def_bool y 2701*f3c560a6SThomas Bogendoerfer depends on NUMA 2702*f3c560a6SThomas Bogendoerfer 2703*f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK 2704*f3c560a6SThomas Bogendoerfer def_bool y 2705*f3c560a6SThomas Bogendoerfer depends on NUMA 2706*f3c560a6SThomas Bogendoerfer 27078c530ea3SMatt Redfearnconfig RELOCATABLE 27088c530ea3SMatt Redfearn bool "Relocatable kernel" 27093ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 27108c530ea3SMatt Redfearn help 27118c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 27128c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 27138c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 27148c530ea3SMatt Redfearn but are discarded at runtime 27158c530ea3SMatt Redfearn 2716069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2717069fd766SMatt Redfearn hex "Relocation table size" 2718069fd766SMatt Redfearn depends on RELOCATABLE 2719069fd766SMatt Redfearn range 0x0 0x01000000 2720069fd766SMatt Redfearn default "0x00100000" 2721069fd766SMatt Redfearn ---help--- 2722069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2723069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2724069fd766SMatt Redfearn 2725069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2726069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2727069fd766SMatt Redfearn 2728069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2729069fd766SMatt Redfearn 2730069fd766SMatt Redfearn If unsure, leave at the default value. 2731069fd766SMatt Redfearn 2732405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2733405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2734405bc8fdSMatt Redfearn depends on RELOCATABLE 2735405bc8fdSMatt Redfearn ---help--- 2736405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2737405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2738405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2739405bc8fdSMatt Redfearn of kernel internals. 2740405bc8fdSMatt Redfearn 2741405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2742405bc8fdSMatt Redfearn 2743405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2744405bc8fdSMatt Redfearn 2745405bc8fdSMatt Redfearn If unsure, say N. 2746405bc8fdSMatt Redfearn 2747405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2748405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2749405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2750405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2751405bc8fdSMatt Redfearn range 0x0 0x08000000 2752405bc8fdSMatt Redfearn default "0x01000000" 2753405bc8fdSMatt Redfearn ---help--- 2754405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2755405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2756405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2757405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2758405bc8fdSMatt Redfearn 2759405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2760405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2761405bc8fdSMatt Redfearn 2762c80d79d7SYasunori Gotoconfig NODES_SHIFT 2763c80d79d7SYasunori Goto int 2764c80d79d7SYasunori Goto default "6" 2765c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2766c80d79d7SYasunori Goto 276714f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 276814f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2769268a2d60SJiaxun Yang depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 277014f70012SDeng-Cheng Zhu default y 277114f70012SDeng-Cheng Zhu help 277214f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 277314f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 277414f70012SDeng-Cheng Zhu 27751da177e4SLinus Torvaldsconfig SMP 27761da177e4SLinus Torvalds bool "Multi-Processing support" 2777e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2778e73ea273SRalf Baechle help 27791da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27804a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27814a474157SRobert Graffham than one CPU, say Y. 27821da177e4SLinus Torvalds 27834a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27841da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27851da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27864a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27871da177e4SLinus Torvalds will run faster if you say N here. 27881da177e4SLinus Torvalds 27891da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27901da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27911da177e4SLinus Torvalds 279203502faaSAdrian Bunk See also the SMP-HOWTO available at 279303502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27941da177e4SLinus Torvalds 27951da177e4SLinus Torvalds If you don't know what to do here, say N. 27961da177e4SLinus Torvalds 27977840d618SMatt Redfearnconfig HOTPLUG_CPU 27987840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27997840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 28007840d618SMatt Redfearn help 28017840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 28027840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 28037840d618SMatt Redfearn (Note: power management support will enable this option 28047840d618SMatt Redfearn automatically on SMP systems. ) 28057840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 28067840d618SMatt Redfearn 280787353d8aSRalf Baechleconfig SMP_UP 280887353d8aSRalf Baechle bool 280987353d8aSRalf Baechle 28104a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 28114a16ff4cSRalf Baechle bool 28124a16ff4cSRalf Baechle 28130ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 28140ee958e1SPaul Burton bool 28150ee958e1SPaul Burton 2816e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2817e73ea273SRalf Baechle bool 2818e73ea273SRalf Baechle 2819130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2820130e2fb7SRalf Baechle bool 2821130e2fb7SRalf Baechle 2822130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2823130e2fb7SRalf Baechle bool 2824130e2fb7SRalf Baechle 2825130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2826130e2fb7SRalf Baechle bool 2827130e2fb7SRalf Baechle 2828130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2829130e2fb7SRalf Baechle bool 2830130e2fb7SRalf Baechle 2831130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2832130e2fb7SRalf Baechle bool 2833130e2fb7SRalf Baechle 28341da177e4SLinus Torvaldsconfig NR_CPUS 2835a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2836a91796a9SJayachandran C range 2 256 28371da177e4SLinus Torvalds depends on SMP 2838130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2839130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2840130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2841130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2842130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28431da177e4SLinus Torvalds help 28441da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28451da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28461da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 284772ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 284872ede9b1SAtsushi Nemoto and 2 for all others. 28491da177e4SLinus Torvalds 28501da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 285172ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 285272ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 285372ede9b1SAtsushi Nemoto power of two. 28541da177e4SLinus Torvalds 2855399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2856399aaa25SAl Cooper bool 2857399aaa25SAl Cooper 28587820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28597820b84bSDavid Daney bool 28607820b84bSDavid Daney 28617820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28627820b84bSDavid Daney int 28637820b84bSDavid Daney depends on SMP 28647820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28657820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28667820b84bSDavid Daney 28671723b4a3SAtsushi Nemoto# 28681723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28691723b4a3SAtsushi Nemoto# 28701723b4a3SAtsushi Nemoto 28711723b4a3SAtsushi Nemotochoice 28721723b4a3SAtsushi Nemoto prompt "Timer frequency" 28731723b4a3SAtsushi Nemoto default HZ_250 28741723b4a3SAtsushi Nemoto help 28751723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28761723b4a3SAtsushi Nemoto 287767596573SPaul Burton config HZ_24 287867596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 287967596573SPaul Burton 28801723b4a3SAtsushi Nemoto config HZ_48 28810f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28821723b4a3SAtsushi Nemoto 28831723b4a3SAtsushi Nemoto config HZ_100 28841723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28851723b4a3SAtsushi Nemoto 28861723b4a3SAtsushi Nemoto config HZ_128 28871723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28881723b4a3SAtsushi Nemoto 28891723b4a3SAtsushi Nemoto config HZ_250 28901723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28911723b4a3SAtsushi Nemoto 28921723b4a3SAtsushi Nemoto config HZ_256 28931723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28941723b4a3SAtsushi Nemoto 28951723b4a3SAtsushi Nemoto config HZ_1000 28961723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28971723b4a3SAtsushi Nemoto 28981723b4a3SAtsushi Nemoto config HZ_1024 28991723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 29001723b4a3SAtsushi Nemoto 29011723b4a3SAtsushi Nemotoendchoice 29021723b4a3SAtsushi Nemoto 290367596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 290467596573SPaul Burton bool 290567596573SPaul Burton 29061723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 29071723b4a3SAtsushi Nemoto bool 29081723b4a3SAtsushi Nemoto 29091723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 29101723b4a3SAtsushi Nemoto bool 29111723b4a3SAtsushi Nemoto 29121723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 29131723b4a3SAtsushi Nemoto bool 29141723b4a3SAtsushi Nemoto 29151723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29161723b4a3SAtsushi Nemoto bool 29171723b4a3SAtsushi Nemoto 29181723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29191723b4a3SAtsushi Nemoto bool 29201723b4a3SAtsushi Nemoto 29211723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29221723b4a3SAtsushi Nemoto bool 29231723b4a3SAtsushi Nemoto 29241723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29251723b4a3SAtsushi Nemoto bool 29261723b4a3SAtsushi Nemoto 29271723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29281723b4a3SAtsushi Nemoto bool 292967596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 293067596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 293167596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 293267596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 293367596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 293467596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 293567596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29361723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29371723b4a3SAtsushi Nemoto 29381723b4a3SAtsushi Nemotoconfig HZ 29391723b4a3SAtsushi Nemoto int 294067596573SPaul Burton default 24 if HZ_24 29411723b4a3SAtsushi Nemoto default 48 if HZ_48 29421723b4a3SAtsushi Nemoto default 100 if HZ_100 29431723b4a3SAtsushi Nemoto default 128 if HZ_128 29441723b4a3SAtsushi Nemoto default 250 if HZ_250 29451723b4a3SAtsushi Nemoto default 256 if HZ_256 29461723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29471723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29481723b4a3SAtsushi Nemoto 294996685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 295096685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 295196685b17SDeng-Cheng Zhu 2952ea6e942bSAtsushi Nemotoconfig KEXEC 29537d60717eSKees Cook bool "Kexec system call" 29542965faa5SDave Young select KEXEC_CORE 2955ea6e942bSAtsushi Nemoto help 2956ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2957ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29583dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2959ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2960ea6e942bSAtsushi Nemoto 296101dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2962ea6e942bSAtsushi Nemoto 2963ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2964ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2965bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2966bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2967bf220695SGeert Uytterhoeven made. 2968ea6e942bSAtsushi Nemoto 29697aa1c8f4SRalf Baechleconfig CRASH_DUMP 29707aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29717aa1c8f4SRalf Baechle help 29727aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29737aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29747aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29757aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29767aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29777aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29787aa1c8f4SRalf Baechle PHYSICAL_START. 29797aa1c8f4SRalf Baechle 29807aa1c8f4SRalf Baechleconfig PHYSICAL_START 29817aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29828bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29837aa1c8f4SRalf Baechle depends on CRASH_DUMP 29847aa1c8f4SRalf Baechle help 29857aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29867aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29877aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29887aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29897aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29907aa1c8f4SRalf Baechle 2991ea6e942bSAtsushi Nemotoconfig SECCOMP 2992ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2993293c5bd1SRalf Baechle depends on PROC_FS 2994ea6e942bSAtsushi Nemoto default y 2995ea6e942bSAtsushi Nemoto help 2996ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2997ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2998ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2999ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 3000ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 3001ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 3002ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 3003ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 3004ea6e942bSAtsushi Nemoto defined by each seccomp mode. 3005ea6e942bSAtsushi Nemoto 3006ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 3007ea6e942bSAtsushi Nemoto 3008597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 3009b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 3010597ce172SPaul Burton depends on 32BIT || MIPS32_O32 3011597ce172SPaul Burton help 3012597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 3013597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 3014597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3015597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 3016597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 3017597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3018597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3019597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3020597ce172SPaul Burton saying N here. 3021597ce172SPaul Burton 302206e2e882SPaul Burton Although binutils currently supports use of this flag the details 302306e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 302406e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 302506e2e882SPaul Burton behaviour before the details have been finalised, this option should 302606e2e882SPaul Burton be considered experimental and only enabled by those working upon 302706e2e882SPaul Burton said details. 302806e2e882SPaul Burton 302906e2e882SPaul Burton If unsure, say N. 3030597ce172SPaul Burton 3031f2ffa5abSDezhong Diaoconfig USE_OF 30320b3e06fdSJonas Gorski bool 3033f2ffa5abSDezhong Diao select OF 3034e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3035abd2363fSGrant Likely select IRQ_DOMAIN 3036f2ffa5abSDezhong Diao 30372fe8ea39SDengcheng Zhuconfig UHI_BOOT 30382fe8ea39SDengcheng Zhu bool 30392fe8ea39SDengcheng Zhu 30407fafb068SAndrew Brestickerconfig BUILTIN_DTB 30417fafb068SAndrew Bresticker bool 30427fafb068SAndrew Bresticker 30431da8f179SJonas Gorskichoice 30445b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30451da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30461da8f179SJonas Gorski 30471da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30481da8f179SJonas Gorski bool "None" 30491da8f179SJonas Gorski help 30501da8f179SJonas Gorski Do not enable appended dtb support. 30511da8f179SJonas Gorski 305287db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 305387db537dSAaro Koskinen bool "vmlinux" 305487db537dSAaro Koskinen help 305587db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 305687db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 305787db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 305887db537dSAaro Koskinen objcopy: 305987db537dSAaro Koskinen 306087db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 306187db537dSAaro Koskinen 306287db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 306387db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 306487db537dSAaro Koskinen the documented boot protocol using a device tree. 306587db537dSAaro Koskinen 30661da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3067b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30681da8f179SJonas Gorski help 30691da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3070b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30711da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30721da8f179SJonas Gorski 30731da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30741da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30751da8f179SJonas Gorski the documented boot protocol using a device tree. 30761da8f179SJonas Gorski 30771da8f179SJonas Gorski Beware that there is very little in terms of protection against 30781da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30791da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30801da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30811da8f179SJonas Gorski if you don't intend to always append a DTB. 30821da8f179SJonas Gorskiendchoice 30831da8f179SJonas Gorski 30842024972eSJonas Gorskichoice 30852024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30862bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30873f5f0a44SPaul Burton !MIPS_MALTA && \ 30882bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30892024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30902024972eSJonas Gorski 30912024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30922024972eSJonas Gorski depends on USE_OF 30932024972eSJonas Gorski bool "Dtb kernel arguments if available" 30942024972eSJonas Gorski 30952024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30962024972eSJonas Gorski depends on USE_OF 30972024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30982024972eSJonas Gorski 30992024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 31002024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3101ed47e153SRabin Vincent 3102ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3103ed47e153SRabin Vincent depends on CMDLINE_BOOL 3104ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 31052024972eSJonas Gorskiendchoice 31062024972eSJonas Gorski 31075e83d430SRalf Baechleendmenu 31085e83d430SRalf Baechle 31091df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 31101df0f0ffSAtsushi Nemoto bool 31111df0f0ffSAtsushi Nemoto default y 31121df0f0ffSAtsushi Nemoto 31131df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 31141df0f0ffSAtsushi Nemoto bool 31151df0f0ffSAtsushi Nemoto default y 31161df0f0ffSAtsushi Nemoto 3117a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3118a728ab52SKirill A. Shutemov int 31193377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3120a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3121a728ab52SKirill A. Shutemov default 2 3122a728ab52SKirill A. Shutemov 31236c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 31246c359eb1SPaul Burton bool 31256c359eb1SPaul Burton 31261da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31271da177e4SLinus Torvalds 3128c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31292eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3130c5611df9SPaul Burton bool 3131c5611df9SPaul Burton 3132c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3133c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3134c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31352eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31361da177e4SLinus Torvalds 31371da177e4SLinus Torvalds# 31381da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31391da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31401da177e4SLinus Torvalds# users to choose the right thing ... 31411da177e4SLinus Torvalds# 31421da177e4SLinus Torvaldsconfig ISA 31431da177e4SLinus Torvalds bool 31441da177e4SLinus Torvalds 31451da177e4SLinus Torvaldsconfig TC 31461da177e4SLinus Torvalds bool "TURBOchannel support" 31471da177e4SLinus Torvalds depends on MACH_DECSTATION 31481da177e4SLinus Torvalds help 314950a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 315050a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 315150a23e6eSJustin P. Mattock at: 315250a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 315350a23e6eSJustin P. Mattock and: 315450a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 315550a23e6eSJustin P. Mattock Linux driver support status is documented at: 315650a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31571da177e4SLinus Torvalds 31581da177e4SLinus Torvaldsconfig MMU 31591da177e4SLinus Torvalds bool 31601da177e4SLinus Torvalds default y 31611da177e4SLinus Torvalds 3162109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3163109c32ffSMatt Redfearn default 12 if 64BIT 3164109c32ffSMatt Redfearn default 8 3165109c32ffSMatt Redfearn 3166109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3167109c32ffSMatt Redfearn default 18 if 64BIT 3168109c32ffSMatt Redfearn default 15 3169109c32ffSMatt Redfearn 3170109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3171109c32ffSMatt Redfearn default 8 3172109c32ffSMatt Redfearn 3173109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3174109c32ffSMatt Redfearn default 15 3175109c32ffSMatt Redfearn 3176d865bea4SRalf Baechleconfig I8253 3177d865bea4SRalf Baechle bool 3178798778b8SRussell King select CLKSRC_I8253 31792d02612fSThomas Gleixner select CLKEVT_I8253 31809726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3181d865bea4SRalf Baechle 3182e05eb3f8SRalf Baechleconfig ZONE_DMA 3183e05eb3f8SRalf Baechle bool 3184e05eb3f8SRalf Baechle 3185cce335aeSRalf Baechleconfig ZONE_DMA32 3186cce335aeSRalf Baechle bool 3187cce335aeSRalf Baechle 31881da177e4SLinus Torvaldsendmenu 31891da177e4SLinus Torvalds 31901da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31911da177e4SLinus Torvalds bool 31921da177e4SLinus Torvalds 31931da177e4SLinus Torvaldsconfig MIPS32_COMPAT 319478aaf956SRalf Baechle bool 31951da177e4SLinus Torvalds 31961da177e4SLinus Torvaldsconfig COMPAT 31971da177e4SLinus Torvalds bool 31981da177e4SLinus Torvalds 319905e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 320005e43966SAtsushi Nemoto bool 320105e43966SAtsushi Nemoto 32021da177e4SLinus Torvaldsconfig MIPS32_O32 32031da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 320478aaf956SRalf Baechle depends on 64BIT 320578aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 320678aaf956SRalf Baechle select COMPAT 320778aaf956SRalf Baechle select MIPS32_COMPAT 320878aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32091da177e4SLinus Torvalds help 32101da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 32111da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 32121da177e4SLinus Torvalds existing binaries are in this format. 32131da177e4SLinus Torvalds 32141da177e4SLinus Torvalds If unsure, say Y. 32151da177e4SLinus Torvalds 32161da177e4SLinus Torvaldsconfig MIPS32_N32 32171da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3218c22eacfeSRalf Baechle depends on 64BIT 32195a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 322078aaf956SRalf Baechle select COMPAT 322178aaf956SRalf Baechle select MIPS32_COMPAT 322278aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32231da177e4SLinus Torvalds help 32241da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 32251da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32261da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32271da177e4SLinus Torvalds cases. 32281da177e4SLinus Torvalds 32291da177e4SLinus Torvalds If unsure, say N. 32301da177e4SLinus Torvalds 32311da177e4SLinus Torvaldsconfig BINFMT_ELF32 32321da177e4SLinus Torvalds bool 32331da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3234f43edca7SRalf Baechle select ELFCORE 32351da177e4SLinus Torvalds 32362116245eSRalf Baechlemenu "Power management options" 3237952fa954SRodolfo Giometti 3238363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3239363c55caSWu Zhangjin def_bool y 32403f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3241363c55caSWu Zhangjin 3242f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3243f4cb5700SJohannes Berg def_bool y 32443f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3245f4cb5700SJohannes Berg 32462116245eSRalf Baechlesource "kernel/power/Kconfig" 3247952fa954SRodolfo Giometti 32481da177e4SLinus Torvaldsendmenu 32491da177e4SLinus Torvalds 32507a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32517a998935SViresh Kumar bool 32527a998935SViresh Kumar 32537a998935SViresh Kumarmenu "CPU Power Management" 3254c095ebafSPaul Burton 3255c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32567a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32577a998935SViresh Kumarendif 32589726b43aSWu Zhangjin 3259c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3260c095ebafSPaul Burton 3261c095ebafSPaul Burtonendmenu 3262c095ebafSPaul Burton 326398cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 326498cdee0eSRalf Baechle 32652235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3266