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 50*36366e36SPaul Burton select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS 51f596cf0dSAlexander Lobakin select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2 5212597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 5312597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 5464575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5512597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5612597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5712597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5812597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5912597988SMatt Redfearn select HAVE_EXIT_THREAD 6067a929e0SChristoph Hellwig select HAVE_FAST_GUP 6112597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 6229c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 6312597988SMatt Redfearn select HAVE_FUNCTION_TRACER 6412597988SMatt Redfearn select HAVE_IDE 65b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 6612597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 6712597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 68c1bf207dSDavid Daney select HAVE_KPROBES 69c1bf207dSDavid Daney select HAVE_KRETPROBES 70c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 719d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 72786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 7342a0bb3fSPetr Mladek select HAVE_NMI 7412597988SMatt Redfearn select HAVE_OPROFILE 7512597988SMatt Redfearn select HAVE_PERF_EVENTS 7608bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 779ea141adSPaul Burton select HAVE_RSEQ 7816c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 79d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 8012597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 81a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 8224640f23SVincenzo Frascino select HAVE_GENERIC_VDSO 8312597988SMatt Redfearn select IRQ_FORCED_THREADING 846630a8e5SChristoph Hellwig select ISA if EISA 8512597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 8612597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8712597988SMatt Redfearn select PERF_USE_VMALLOC 8805a0a344SArnd Bergmann select RTC_LIB 8912597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 9012597988SMatt Redfearn select VIRT_TO_BUS 91d1af2ab3SPaul Burton select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 92dcf78ee6SAlexey Khoroshilov select ARCH_HAS_KCOV 93dcf78ee6SAlexey Khoroshilov select HAVE_GCC_PLUGINS 941da177e4SLinus Torvalds 951da177e4SLinus Torvaldsmenu "Machine selection" 961da177e4SLinus Torvalds 975e83d430SRalf Baechlechoice 985e83d430SRalf Baechle prompt "System type" 99d41e6858SMatt Redfearn default MIPS_GENERIC 1001da177e4SLinus Torvalds 101eed0eabdSPaul Burtonconfig MIPS_GENERIC 102eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 103eed0eabdSPaul Burton select BOOT_RAW 104eed0eabdSPaul Burton select BUILTIN_DTB 105eed0eabdSPaul Burton select CEVT_R4K 106eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 107eed0eabdSPaul Burton select COMMON_CLK 108eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 109eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 110eed0eabdSPaul Burton select CSRC_R4K 111eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 112eb01d42aSChristoph Hellwig select HAVE_PCI 113eed0eabdSPaul Burton select IRQ_MIPS_CPU 114eed0eabdSPaul Burton select LIBFDT 1150211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 116eed0eabdSPaul Burton select MIPS_CPU_SCACHE 117eed0eabdSPaul Burton select MIPS_GIC 118eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 119eed0eabdSPaul Burton select NO_EXCEPT_FILL 120eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 121eed0eabdSPaul Burton select PINCTRL 122eed0eabdSPaul Burton select SMP_UP if SMP 123a3078e59SMatt Redfearn select SWAP_IO_SPACE 124eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 125eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 126eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 127eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 128eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 129eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 130eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 131eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 132eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 133eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 134eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 135eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 136eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 137eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 138eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 139eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 140eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1412e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1422e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1432e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1442e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1452e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1462e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 147eed0eabdSPaul Burton select USE_OF 1482fe8ea39SDengcheng Zhu select UHI_BOOT 149eed0eabdSPaul Burton help 150eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 151eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 152eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 153eed0eabdSPaul Burton Interface) specification. 154eed0eabdSPaul Burton 15542a4f17dSManuel Laussconfig MIPS_ALCHEMY 156c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 157d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 158f772cdb2SRalf Baechle select CEVT_R4K 159d7ea335cSSteven J. Hill select CSRC_R4K 16067e38cf2SRalf Baechle select IRQ_MIPS_CPU 16188e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 16242a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 16342a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 16442a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 165d30a2b47SLinus Walleij select GPIOLIB 1661b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 16747440229SManuel Lauss select COMMON_CLK 1681da177e4SLinus Torvalds 1697ca5dc14SFlorian Fainelliconfig AR7 1707ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1717ca5dc14SFlorian Fainelli select BOOT_ELF32 1727ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1737ca5dc14SFlorian Fainelli select CEVT_R4K 1747ca5dc14SFlorian Fainelli select CSRC_R4K 17567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1767ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1777ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1787ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1797ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1807ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1817ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 182377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1831b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 184d30a2b47SLinus Walleij select GPIOLIB 1857ca5dc14SFlorian Fainelli select VLYNQ 1868551fb64SYoichi Yuasa select HAVE_CLK 1877ca5dc14SFlorian Fainelli help 1887ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1897ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1907ca5dc14SFlorian Fainelli 19143cc739fSSergey Ryazanovconfig ATH25 19243cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 19343cc739fSSergey Ryazanov select CEVT_R4K 19443cc739fSSergey Ryazanov select CSRC_R4K 19543cc739fSSergey Ryazanov select DMA_NONCOHERENT 19667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1971753e74eSSergey Ryazanov select IRQ_DOMAIN 19843cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 19943cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 20043cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 2018aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 20243cc739fSSergey Ryazanov help 20343cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 20443cc739fSSergey Ryazanov 205d4a67d9dSGabor Juhosconfig ATH79 206d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 207ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 208d4a67d9dSGabor Juhos select BOOT_RAW 209d4a67d9dSGabor Juhos select CEVT_R4K 210d4a67d9dSGabor Juhos select CSRC_R4K 211d4a67d9dSGabor Juhos select DMA_NONCOHERENT 212d30a2b47SLinus Walleij select GPIOLIB 213a08227a2SJohn Crispin select PINCTRL 21494638067SGabor Juhos select HAVE_CLK 215411520afSAlban Bedel select COMMON_CLK 2162c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 21767e38cf2SRalf Baechle select IRQ_MIPS_CPU 218d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 219d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 220d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 221d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 222377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 223b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 22403c8c407SAlban Bedel select USE_OF 22553d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 226d4a67d9dSGabor Juhos help 227d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 228d4a67d9dSGabor Juhos 2295f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2305f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 231d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 232d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 233d666cd02SKevin Cernekee select BOOT_RAW 234d666cd02SKevin Cernekee select NO_EXCEPT_FILL 235d666cd02SKevin Cernekee select USE_OF 236d666cd02SKevin Cernekee select CEVT_R4K 237d666cd02SKevin Cernekee select CSRC_R4K 238d666cd02SKevin Cernekee select SYNC_R4K 239d666cd02SKevin Cernekee select COMMON_CLK 240c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 24160b858f2SKevin Cernekee select BCM7038_L1_IRQ 24260b858f2SKevin Cernekee select BCM7120_L2_IRQ 24360b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 24467e38cf2SRalf Baechle select IRQ_MIPS_CPU 24560b858f2SKevin Cernekee select DMA_NONCOHERENT 246d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 24760b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 248d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 249d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 25060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 25160b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 25260b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 253d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 254d666cd02SKevin Cernekee select SWAP_IO_SPACE 25560b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25660b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 25760b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25860b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2594dc4704cSJustin Chen select HARDIRQS_SW_RESEND 260d666cd02SKevin Cernekee help 2615f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2625f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2635f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2645f2d4459SKevin Cernekee must be set appropriately for your board. 265d666cd02SKevin Cernekee 2661c0c13ebSAurelien Jarnoconfig BCM47XX 267c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 268fe08f8c2SHauke Mehrtens select BOOT_RAW 26942f77542SRalf Baechle select CEVT_R4K 270940f6b48SRalf Baechle select CSRC_R4K 2711c0c13ebSAurelien Jarno select DMA_NONCOHERENT 272eb01d42aSChristoph Hellwig select HAVE_PCI 27367e38cf2SRalf Baechle select IRQ_MIPS_CPU 274314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 275dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2761c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2771c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 278377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2796507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 28025e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 281e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 282c949c0bcSRafał Miłecki select GPIOLIB 283c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 284f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2852ab71a02SRafał Miłecki select BCM47XX_SPROM 286dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2871c0c13ebSAurelien Jarno help 2881c0c13ebSAurelien Jarno Support for BCM47XX based boards 2891c0c13ebSAurelien Jarno 290e7300d04SMaxime Bizonconfig BCM63XX 291e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 292ae8de61cSFlorian Fainelli select BOOT_RAW 293e7300d04SMaxime Bizon select CEVT_R4K 294e7300d04SMaxime Bizon select CSRC_R4K 295fc264022SJonas Gorski select SYNC_R4K 296e7300d04SMaxime Bizon select DMA_NONCOHERENT 29767e38cf2SRalf Baechle select IRQ_MIPS_CPU 298e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 299e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 300e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 301e7300d04SMaxime Bizon select SWAP_IO_SPACE 302d30a2b47SLinus Walleij select GPIOLIB 3033e82eeebSYoichi Yuasa select HAVE_CLK 304af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 305c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 306e7300d04SMaxime Bizon help 307e7300d04SMaxime Bizon Support for BCM63XX based boards 308e7300d04SMaxime Bizon 3091da177e4SLinus Torvaldsconfig MIPS_COBALT 3103fa986faSMartin Michlmayr bool "Cobalt Server" 31142f77542SRalf Baechle select CEVT_R4K 312940f6b48SRalf Baechle select CSRC_R4K 3131097c6acSYoichi Yuasa select CEVT_GT641XX 3141da177e4SLinus Torvalds select DMA_NONCOHERENT 315eb01d42aSChristoph Hellwig select FORCE_PCI 316d865bea4SRalf Baechle select I8253 3171da177e4SLinus Torvalds select I8259 31867e38cf2SRalf Baechle select IRQ_MIPS_CPU 319d5ab1a69SYoichi Yuasa select IRQ_GT641XX 320252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3217cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3220a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 323ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3240e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3255e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 326e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3271da177e4SLinus Torvalds 3281da177e4SLinus Torvaldsconfig MACH_DECSTATION 3293fa986faSMartin Michlmayr bool "DECstations" 3301da177e4SLinus Torvalds select BOOT_ELF32 3316457d9fcSYoichi Yuasa select CEVT_DS1287 33281d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3334247417dSYoichi Yuasa select CSRC_IOASIC 33481d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 33520d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 33620d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 33720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3381da177e4SLinus Torvalds select DMA_NONCOHERENT 339ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 34067e38cf2SRalf Baechle select IRQ_MIPS_CPU 3417cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3427cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 343ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3447d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3455e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3461723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3471723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3481723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 349930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3505e83d430SRalf Baechle help 3511da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3521da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3531da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3561da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3571da177e4SLinus Torvalds 3581da177e4SLinus Torvalds DECstation 5000/50 3591da177e4SLinus Torvalds DECstation 5000/150 3601da177e4SLinus Torvalds DECstation 5000/260 3611da177e4SLinus Torvalds DECsystem 5900/260 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvalds otherwise choose R3000. 3641da177e4SLinus Torvalds 3655e83d430SRalf Baechleconfig MACH_JAZZ 3663fa986faSMartin Michlmayr bool "Jazz family of machines" 36739b2d756SThomas Bogendoerfer select ARC_MEMORY 36839b2d756SThomas Bogendoerfer select ARC_PROMLIB 369a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3707a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3710e2794b0SRalf Baechle select FW_ARC 3720e2794b0SRalf Baechle select FW_ARC32 3735e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 37442f77542SRalf Baechle select CEVT_R4K 375940f6b48SRalf Baechle select CSRC_R4K 376e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3775e83d430SRalf Baechle select GENERIC_ISA_DMA 3788a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 37967e38cf2SRalf Baechle select IRQ_MIPS_CPU 380d865bea4SRalf Baechle select I8253 3815e83d430SRalf Baechle select I8259 3825e83d430SRalf Baechle select ISA 3837cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3845e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3857d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3861723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3871da177e4SLinus Torvalds help 3885e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3895e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 390692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3915e83d430SRalf Baechle Olivetti M700-10 workstations. 3925e83d430SRalf Baechle 393de361e8bSPaul Burtonconfig MACH_INGENIC 394de361e8bSPaul Burton bool "Ingenic SoC based machines" 3955ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3965ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 397f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 398b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3995ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 40067e38cf2SRalf Baechle select IRQ_MIPS_CPU 40137b4c3caSPaul Cercueil select PINCTRL 402d30a2b47SLinus Walleij select GPIOLIB 403ff1930c6SPaul Burton select COMMON_CLK 40483bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 40515205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 406ffb1843dSPaul Burton select USE_OF 4076ec127fbSPaul Burton select LIBFDT 4085ebabe59SLars-Peter Clausen 409171bb2f1SJohn Crispinconfig LANTIQ 410171bb2f1SJohn Crispin bool "Lantiq based platforms" 411171bb2f1SJohn Crispin select DMA_NONCOHERENT 41267e38cf2SRalf Baechle select IRQ_MIPS_CPU 413171bb2f1SJohn Crispin select CEVT_R4K 414171bb2f1SJohn Crispin select CSRC_R4K 415171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 416171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 417171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 418171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 419377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 420171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 421f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 422171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 423d30a2b47SLinus Walleij select GPIOLIB 424171bb2f1SJohn Crispin select SWAP_IO_SPACE 425171bb2f1SJohn Crispin select BOOT_RAW 426287e3f3fSJohn Crispin select CLKDEV_LOOKUP 427a0392222SJohn Crispin select USE_OF 4283f8c50c9SJohn Crispin select PINCTRL 4293f8c50c9SJohn Crispin select PINCTRL_LANTIQ 430c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 431c530781cSJohn Crispin select RESET_CONTROLLER 432171bb2f1SJohn Crispin 4331f21d2bdSBrian Murphyconfig LASAT 4341f21d2bdSBrian Murphy bool "LASAT Networks platforms" 43542f77542SRalf Baechle select CEVT_R4K 43616f0bbbcSRalf Baechle select CRC32 437940f6b48SRalf Baechle select CSRC_R4K 4381f21d2bdSBrian Murphy select DMA_NONCOHERENT 4391f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 440eb01d42aSChristoph Hellwig select HAVE_PCI 44167e38cf2SRalf Baechle select IRQ_MIPS_CPU 4421f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4431f21d2bdSBrian Murphy select MIPS_NILE4 4441f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4451f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4461f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4471f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4481f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4491f21d2bdSBrian Murphy 45030ad29bbSHuacai Chenconfig MACH_LOONGSON32 451caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 452c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 453ade299d8SYoichi Yuasa help 45430ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 45585749d24SWu Zhangjin 45630ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 45730ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 45830ad29bbSHuacai Chen Sciences (CAS). 459ade299d8SYoichi Yuasa 46071e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 46171e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 462ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 463ca585cf9SKelvin Cheung help 46471e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 465ca585cf9SKelvin Cheung 46671e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 467caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4686fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4696fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4706fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4716fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4726fbde6b4SJiaxun Yang select BOOT_ELF32 4736fbde6b4SJiaxun Yang select BOARD_SCACHE 4746fbde6b4SJiaxun Yang select CSRC_R4K 4756fbde6b4SJiaxun Yang select CEVT_R4K 4766fbde6b4SJiaxun Yang select CPU_HAS_WB 4776fbde6b4SJiaxun Yang select FORCE_PCI 4786fbde6b4SJiaxun Yang select ISA 4796fbde6b4SJiaxun Yang select I8259 4806fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4816fbde6b4SJiaxun Yang select NR_CPUS_DEFAULT_4 4826fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4836fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4846fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4856fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4866fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4876fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4886fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4896fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 4906fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 49171e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 4926fbde6b4SJiaxun Yang select LOONGSON_MC146818 4936fbde6b4SJiaxun Yang select ZONE_DMA32 4946fbde6b4SJiaxun Yang select NUMA 49571e2f4ddSJiaxun Yang help 496caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 497caed1d1bSHuacai Chen 498caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 499caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 500caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 501caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 502ca585cf9SKelvin Cheung 5036a438309SAndrew Brestickerconfig MACH_PISTACHIO 5046a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 5056a438309SAndrew Bresticker select BOOT_ELF32 5066a438309SAndrew Bresticker select BOOT_RAW 5076a438309SAndrew Bresticker select CEVT_R4K 5086a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 5096a438309SAndrew Bresticker select COMMON_CLK 5106a438309SAndrew Bresticker select CSRC_R4K 511645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 512d30a2b47SLinus Walleij select GPIOLIB 51367e38cf2SRalf Baechle select IRQ_MIPS_CPU 5146a438309SAndrew Bresticker select LIBFDT 5156a438309SAndrew Bresticker select MFD_SYSCON 5166a438309SAndrew Bresticker select MIPS_CPU_SCACHE 5176a438309SAndrew Bresticker select MIPS_GIC 5186a438309SAndrew Bresticker select PINCTRL 5196a438309SAndrew Bresticker select REGULATOR 5206a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 5216a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 5226a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 5236a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 5246a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 52541cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 5266a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 527018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 528018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 5296a438309SAndrew Bresticker select USE_OF 5306a438309SAndrew Bresticker help 5316a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 5326a438309SAndrew Bresticker 5331da177e4SLinus Torvaldsconfig MIPS_MALTA 5343fa986faSMartin Michlmayr bool "MIPS Malta board" 53561ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 536a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5377a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5381da177e4SLinus Torvalds select BOOT_ELF32 539fa71c960SRalf Baechle select BOOT_RAW 540e8823d26SPaul Burton select BUILTIN_DTB 54142f77542SRalf Baechle select CEVT_R4K 542fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 54342b002abSGuenter Roeck select COMMON_CLK 54447bf2b03SMaksym Kokhan select CSRC_R4K 545885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5461da177e4SLinus Torvalds select GENERIC_ISA_DMA 5478a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 548eb01d42aSChristoph Hellwig select HAVE_PCI 549d865bea4SRalf Baechle select I8253 5501da177e4SLinus Torvalds select I8259 55147bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 55247bf2b03SMaksym Kokhan select LIBFDT 5535e83d430SRalf Baechle select MIPS_BONITO64 5549318c51aSChris Dearman select MIPS_CPU_SCACHE 55547bf2b03SMaksym Kokhan select MIPS_GIC 556a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5575e83d430SRalf Baechle select MIPS_MSC 55847bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 559ecafe3e9SPaul Burton select SMP_UP if SMP 5601da177e4SLinus Torvalds select SWAP_IO_SPACE 5617cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5627cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 563bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 564c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 565575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5667cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5675d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 568575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5697cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5707cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 571ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 572ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5735e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 574c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5755e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 576424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 57747bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5780365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 579e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 580f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 58147bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5829693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 583f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5841b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 585e8823d26SPaul Burton select USE_OF 586abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5871da177e4SLinus Torvalds help 588f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5891da177e4SLinus Torvalds board. 5901da177e4SLinus Torvalds 5912572f00dSJoshua Hendersonconfig MACH_PIC32 5922572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5932572f00dSJoshua Henderson help 5942572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5952572f00dSJoshua Henderson 5962572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5972572f00dSJoshua Henderson microcontrollers. 5982572f00dSJoshua Henderson 599a83860c2SRalf Baechleconfig NEC_MARKEINS 600a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 601a83860c2SRalf Baechle select SOC_EMMA2RH 602eb01d42aSChristoph Hellwig select HAVE_PCI 603a83860c2SRalf Baechle help 604a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 605ade299d8SYoichi Yuasa 6065e83d430SRalf Baechleconfig MACH_VR41XX 60774142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 60842f77542SRalf Baechle select CEVT_R4K 609940f6b48SRalf Baechle select CSRC_R4K 6107cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 611377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 612d30a2b47SLinus Walleij select GPIOLIB 6135e83d430SRalf Baechle 614edb6310aSDaniel Lairdconfig NXP_STB220 615edb6310aSDaniel Laird bool "NXP STB220 board" 616edb6310aSDaniel Laird select SOC_PNX833X 617edb6310aSDaniel Laird help 618edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 619edb6310aSDaniel Laird 620edb6310aSDaniel Lairdconfig NXP_STB225 621edb6310aSDaniel Laird bool "NXP 225 board" 622edb6310aSDaniel Laird select SOC_PNX833X 623edb6310aSDaniel Laird select SOC_PNX8335 624edb6310aSDaniel Laird help 625edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 626edb6310aSDaniel Laird 6279267a30dSMarc St-Jeanconfig PMC_MSP 6289267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 62939d30c13SAnoop P A select CEVT_R4K 63039d30c13SAnoop P A select CSRC_R4K 6319267a30dSMarc St-Jean select DMA_NONCOHERENT 6329267a30dSMarc St-Jean select SWAP_IO_SPACE 6339267a30dSMarc St-Jean select NO_EXCEPT_FILL 6349267a30dSMarc St-Jean select BOOT_RAW 6359267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 6369267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 6379267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 6389267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 639377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 64067e38cf2SRalf Baechle select IRQ_MIPS_CPU 6419267a30dSMarc St-Jean select SERIAL_8250 6429267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6439296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6449296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6459267a30dSMarc St-Jean help 6469267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6479267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6489267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6499267a30dSMarc St-Jean a variety of MIPS cores. 6509267a30dSMarc St-Jean 651ae2b5bb6SJohn Crispinconfig RALINK 652ae2b5bb6SJohn Crispin bool "Ralink based machines" 653ae2b5bb6SJohn Crispin select CEVT_R4K 654ae2b5bb6SJohn Crispin select CSRC_R4K 655ae2b5bb6SJohn Crispin select BOOT_RAW 656ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 65767e38cf2SRalf Baechle select IRQ_MIPS_CPU 658ae2b5bb6SJohn Crispin select USE_OF 659ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 660ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 661ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 662ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 663377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 664ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 665ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6662a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6672a153f1cSJohn Crispin select RESET_CONTROLLER 668ae2b5bb6SJohn Crispin 6691da177e4SLinus Torvaldsconfig SGI_IP22 6703fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 671c0de00b2SThomas Bogendoerfer select ARC_MEMORY 67239b2d756SThomas Bogendoerfer select ARC_PROMLIB 6730e2794b0SRalf Baechle select FW_ARC 6740e2794b0SRalf Baechle select FW_ARC32 6757a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6761da177e4SLinus Torvalds select BOOT_ELF32 67742f77542SRalf Baechle select CEVT_R4K 678940f6b48SRalf Baechle select CSRC_R4K 679e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6801da177e4SLinus Torvalds select DMA_NONCOHERENT 6816630a8e5SChristoph Hellwig select HAVE_EISA 682d865bea4SRalf Baechle select I8253 68368de4803SThomas Bogendoerfer select I8259 6841da177e4SLinus Torvalds select IP22_CPU_SCACHE 68567e38cf2SRalf Baechle select IRQ_MIPS_CPU 686aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 687e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 688e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 68936e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 690e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 691e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 692e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6931da177e4SLinus Torvalds select SWAP_IO_SPACE 6947cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6957cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 696c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 697ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 698ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6995e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 700930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7011da177e4SLinus Torvalds help 7021da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 7031da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 7041da177e4SLinus Torvalds that runs on these, say Y here. 7051da177e4SLinus Torvalds 7061da177e4SLinus Torvaldsconfig SGI_IP27 7073fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 70854aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 709397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 7100e2794b0SRalf Baechle select FW_ARC 7110e2794b0SRalf Baechle select FW_ARC64 712e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 7135e83d430SRalf Baechle select BOOT_ELF64 714e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 71536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 716eb01d42aSChristoph Hellwig select HAVE_PCI 71769a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 718e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 719130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 720a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 721a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7227cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 723ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7245e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 725d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7261a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 727930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7281da177e4SLinus Torvalds help 7291da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7301da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7311da177e4SLinus Torvalds here. 7321da177e4SLinus Torvalds 733e2defae5SThomas Bogendoerferconfig SGI_IP28 7347d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 735c0de00b2SThomas Bogendoerfer select ARC_MEMORY 73639b2d756SThomas Bogendoerfer select ARC_PROMLIB 7370e2794b0SRalf Baechle select FW_ARC 7380e2794b0SRalf Baechle select FW_ARC64 7397a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 740e2defae5SThomas Bogendoerfer select BOOT_ELF64 741e2defae5SThomas Bogendoerfer select CEVT_R4K 742e2defae5SThomas Bogendoerfer select CSRC_R4K 743e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 744e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 745e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 74667e38cf2SRalf Baechle select IRQ_MIPS_CPU 7476630a8e5SChristoph Hellwig select HAVE_EISA 748e2defae5SThomas Bogendoerfer select I8253 749e2defae5SThomas Bogendoerfer select I8259 750e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 751e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7525b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 753e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 754e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 755e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 756e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 757e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 758c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 759e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 760e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 761dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 762e2defae5SThomas Bogendoerfer help 763e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 764e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 765e2defae5SThomas Bogendoerfer 7667505576dSThomas Bogendoerferconfig SGI_IP30 7677505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7687505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7697505576dSThomas Bogendoerfer select FW_ARC 7707505576dSThomas Bogendoerfer select FW_ARC64 7717505576dSThomas Bogendoerfer select BOOT_ELF64 7727505576dSThomas Bogendoerfer select CEVT_R4K 7737505576dSThomas Bogendoerfer select CSRC_R4K 7747505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7757505576dSThomas Bogendoerfer select ZONE_DMA32 7767505576dSThomas Bogendoerfer select HAVE_PCI 7777505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7787505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7797505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 7807505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7817505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7827505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7837505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7847505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7857505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7867505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 7877505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7887505576dSThomas Bogendoerfer select ARC_MEMORY 7897505576dSThomas Bogendoerfer help 7907505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 7917505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 7927505576dSThomas Bogendoerfer 7931da177e4SLinus Torvaldsconfig SGI_IP32 794cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 79539b2d756SThomas Bogendoerfer select ARC_MEMORY 79639b2d756SThomas Bogendoerfer select ARC_PROMLIB 79703df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7980e2794b0SRalf Baechle select FW_ARC 7990e2794b0SRalf Baechle select FW_ARC32 8001da177e4SLinus Torvalds select BOOT_ELF32 80142f77542SRalf Baechle select CEVT_R4K 802940f6b48SRalf Baechle select CSRC_R4K 8031da177e4SLinus Torvalds select DMA_NONCOHERENT 804eb01d42aSChristoph Hellwig select HAVE_PCI 80567e38cf2SRalf Baechle select IRQ_MIPS_CPU 8061da177e4SLinus Torvalds select R5000_CPU_SCACHE 8071da177e4SLinus Torvalds select RM7000_CPU_SCACHE 8087cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 8097cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 8107cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 811dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 812ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 8135e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8141da177e4SLinus Torvalds help 8151da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8161da177e4SLinus Torvalds 817ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 818ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8195e83d430SRalf Baechle select BOOT_ELF32 8205e83d430SRalf Baechle select SIBYTE_BCM1120 8215e83d430SRalf Baechle select SWAP_IO_SPACE 8227cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8235e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8245e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8255e83d430SRalf Baechle 826ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 827ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8285e83d430SRalf Baechle select BOOT_ELF32 8295e83d430SRalf Baechle select SIBYTE_BCM1120 8305e83d430SRalf Baechle select SWAP_IO_SPACE 8317cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8325e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8335e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8345e83d430SRalf Baechle 8355e83d430SRalf Baechleconfig SIBYTE_CRHONE 8363fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8375e83d430SRalf Baechle select BOOT_ELF32 8385e83d430SRalf Baechle select SIBYTE_BCM1125 8395e83d430SRalf Baechle select SWAP_IO_SPACE 8407cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8415e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8425e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8445e83d430SRalf Baechle 845ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 846ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 847ade299d8SYoichi Yuasa select BOOT_ELF32 848ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 849ade299d8SYoichi Yuasa select SWAP_IO_SPACE 850ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 851ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 852ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 853ade299d8SYoichi Yuasa 854ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 855ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 856ade299d8SYoichi Yuasa select BOOT_ELF32 857fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 858ade299d8SYoichi Yuasa select SIBYTE_SB1250 859ade299d8SYoichi Yuasa select SWAP_IO_SPACE 860ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 861ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 862ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 863ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 864cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 865e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 866ade299d8SYoichi Yuasa 867ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 868ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 869ade299d8SYoichi Yuasa select BOOT_ELF32 870fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 871ade299d8SYoichi Yuasa select SIBYTE_SB1250 872ade299d8SYoichi Yuasa select SWAP_IO_SPACE 873ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 874ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 875ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 876ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 877756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 878ade299d8SYoichi Yuasa 879ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 880ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 881ade299d8SYoichi Yuasa select BOOT_ELF32 882ade299d8SYoichi Yuasa select SIBYTE_SB1250 883ade299d8SYoichi Yuasa select SWAP_IO_SPACE 884ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 885ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 886ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 887e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 888ade299d8SYoichi Yuasa 889ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 890ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 891ade299d8SYoichi Yuasa select BOOT_ELF32 892ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 893ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 894ade299d8SYoichi Yuasa select SWAP_IO_SPACE 895ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 896ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 897651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 898ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 899cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 900e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 901ade299d8SYoichi Yuasa 90214b36af4SThomas Bogendoerferconfig SNI_RM 90314b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 90439b2d756SThomas Bogendoerfer select ARC_MEMORY 90539b2d756SThomas Bogendoerfer select ARC_PROMLIB 9060e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 9070e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 908aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 9095e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 910a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 9117a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 9125e83d430SRalf Baechle select BOOT_ELF32 91342f77542SRalf Baechle select CEVT_R4K 914940f6b48SRalf Baechle select CSRC_R4K 915e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9165e83d430SRalf Baechle select DMA_NONCOHERENT 9175e83d430SRalf Baechle select GENERIC_ISA_DMA 9186630a8e5SChristoph Hellwig select HAVE_EISA 9198a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 920eb01d42aSChristoph Hellwig select HAVE_PCI 92167e38cf2SRalf Baechle select IRQ_MIPS_CPU 922d865bea4SRalf Baechle select I8253 9235e83d430SRalf Baechle select I8259 9245e83d430SRalf Baechle select ISA 9254a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9267cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9274a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 928c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9294a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 93036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 931ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9327d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9334a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9345e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9355e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 9361da177e4SLinus Torvalds help 93714b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 93814b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9395e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9405e83d430SRalf Baechle support this machine type. 9411da177e4SLinus Torvalds 942edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 943edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9445e83d430SRalf Baechle 945edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 946edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 94723fbee9dSRalf Baechle 94873b4390fSRalf Baechleconfig MIKROTIK_RB532 94973b4390fSRalf Baechle bool "Mikrotik RB532 boards" 95073b4390fSRalf Baechle select CEVT_R4K 95173b4390fSRalf Baechle select CSRC_R4K 95273b4390fSRalf Baechle select DMA_NONCOHERENT 953eb01d42aSChristoph Hellwig select HAVE_PCI 95467e38cf2SRalf Baechle select IRQ_MIPS_CPU 95573b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 95673b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 95773b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 95873b4390fSRalf Baechle select SWAP_IO_SPACE 95973b4390fSRalf Baechle select BOOT_RAW 960d30a2b47SLinus Walleij select GPIOLIB 961930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 96273b4390fSRalf Baechle help 96373b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 96473b4390fSRalf Baechle based on the IDT RC32434 SoC. 96573b4390fSRalf Baechle 9669ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9679ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 968a86c7f72SDavid Daney select CEVT_R4K 969ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9701753d50cSChristoph Hellwig select HAVE_RAPIDIO 971d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 972a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 973a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 974f65aad41SRalf Baechle select EDAC_SUPPORT 975b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 97673569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 97773569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 978a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9795e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 980eb01d42aSChristoph Hellwig select HAVE_PCI 981f00e001eSDavid Daney select ZONE_DMA32 982465aaed0SDavid Daney select HOLES_IN_ZONE 983d30a2b47SLinus Walleij select GPIOLIB 9846e511163SDavid Daney select LIBFDT 9856e511163SDavid Daney select USE_OF 9866e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9876e511163SDavid Daney select SYS_SUPPORTS_SMP 9887820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9897820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 990e326479fSAndrew Bresticker select BUILTIN_DTB 9918c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 99209230cbcSChristoph Hellwig select SWIOTLB 9933ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 994a86c7f72SDavid Daney help 995a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 996a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 997a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 998a86c7f72SDavid Daney Some of the supported boards are: 999a86c7f72SDavid Daney EBT3000 1000a86c7f72SDavid Daney EBH3000 1001a86c7f72SDavid Daney EBH3100 1002a86c7f72SDavid Daney Thunder 1003a86c7f72SDavid Daney Kodama 1004a86c7f72SDavid Daney Hikari 1005a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 1006a86c7f72SDavid Daney 10077f058e85SJayachandran Cconfig NLM_XLR_BOARD 10087f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 10097f058e85SJayachandran C select BOOT_ELF32 10107f058e85SJayachandran C select NLM_COMMON 10117f058e85SJayachandran C select SYS_HAS_CPU_XLR 10127f058e85SJayachandran C select SYS_SUPPORTS_SMP 1013eb01d42aSChristoph Hellwig select HAVE_PCI 10147f058e85SJayachandran C select SWAP_IO_SPACE 10157f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10167f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1017d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 10187f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10197f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 10207f058e85SJayachandran C select NR_CPUS_DEFAULT_32 10217f058e85SJayachandran C select CEVT_R4K 10227f058e85SJayachandran C select CSRC_R4K 102367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1024b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10257f058e85SJayachandran C select SYNC_R4K 10267f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 10278f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10288f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10297f058e85SJayachandran C help 10307f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 10317f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 10327f058e85SJayachandran C 10331c773ea4SJayachandran Cconfig NLM_XLP_BOARD 10341c773ea4SJayachandran C bool "Netlogic XLP based systems" 10351c773ea4SJayachandran C select BOOT_ELF32 10361c773ea4SJayachandran C select NLM_COMMON 10371c773ea4SJayachandran C select SYS_HAS_CPU_XLP 10381c773ea4SJayachandran C select SYS_SUPPORTS_SMP 1039eb01d42aSChristoph Hellwig select HAVE_PCI 10401c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10411c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1042d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1043d30a2b47SLinus Walleij select GPIOLIB 10441c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10451c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10461c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10471c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10481c773ea4SJayachandran C select CEVT_R4K 10491c773ea4SJayachandran C select CSRC_R4K 105067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1051b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10521c773ea4SJayachandran C select SYNC_R4K 10531c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10542f6528e1SJayachandran C select USE_OF 10558f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10568f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10571c773ea4SJayachandran C help 10581c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10591c773ea4SJayachandran C Say Y here if you have a XLP based board. 10601c773ea4SJayachandran C 10619bc463beSDavid Daneyconfig MIPS_PARAVIRT 10629bc463beSDavid Daney bool "Para-Virtualized guest system" 10639bc463beSDavid Daney select CEVT_R4K 10649bc463beSDavid Daney select CSRC_R4K 10659bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10669bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10679bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10689bc463beSDavid Daney select SYS_SUPPORTS_SMP 10699bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10709bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10719bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10729bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10739bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1074eb01d42aSChristoph Hellwig select HAVE_PCI 10759bc463beSDavid Daney select SWAP_IO_SPACE 10769bc463beSDavid Daney help 10779bc463beSDavid Daney This option supports guest running under ???? 10789bc463beSDavid Daney 10791da177e4SLinus Torvaldsendchoice 10801da177e4SLinus Torvalds 1081e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10823b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1083d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1084a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1085e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10868945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1087eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10885e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10895ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10908ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10911f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10922572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1093af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10940f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1095ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 109629c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 109738b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 109822b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10995e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1100a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 110171e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 110230ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 110330ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 11047f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1105ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 110638b18f72SRalf Baechle 11075e83d430SRalf Baechleendmenu 11085e83d430SRalf Baechle 11093c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 11103c9ee7efSAkinobu Mita bool 11113c9ee7efSAkinobu Mita default y 11123c9ee7efSAkinobu Mita 11131da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 11141da177e4SLinus Torvalds bool 11151da177e4SLinus Torvalds default y 11161da177e4SLinus Torvalds 1117ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 11181cc89038SAtsushi Nemoto bool 11191cc89038SAtsushi Nemoto default y 11201cc89038SAtsushi Nemoto 11211da177e4SLinus Torvalds# 11221da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 11231da177e4SLinus Torvalds# 11240e2794b0SRalf Baechleconfig FW_ARC 11251da177e4SLinus Torvalds bool 11261da177e4SLinus Torvalds 112761ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 112861ed242dSRalf Baechle bool 112961ed242dSRalf Baechle 11309267a30dSMarc St-Jeanconfig BOOT_RAW 11319267a30dSMarc St-Jean bool 11329267a30dSMarc St-Jean 1133217dd11eSRalf Baechleconfig CEVT_BCM1480 1134217dd11eSRalf Baechle bool 1135217dd11eSRalf Baechle 11366457d9fcSYoichi Yuasaconfig CEVT_DS1287 11376457d9fcSYoichi Yuasa bool 11386457d9fcSYoichi Yuasa 11391097c6acSYoichi Yuasaconfig CEVT_GT641XX 11401097c6acSYoichi Yuasa bool 11411097c6acSYoichi Yuasa 114242f77542SRalf Baechleconfig CEVT_R4K 114342f77542SRalf Baechle bool 114442f77542SRalf Baechle 1145217dd11eSRalf Baechleconfig CEVT_SB1250 1146217dd11eSRalf Baechle bool 1147217dd11eSRalf Baechle 1148229f773eSAtsushi Nemotoconfig CEVT_TXX9 1149229f773eSAtsushi Nemoto bool 1150229f773eSAtsushi Nemoto 1151217dd11eSRalf Baechleconfig CSRC_BCM1480 1152217dd11eSRalf Baechle bool 1153217dd11eSRalf Baechle 11544247417dSYoichi Yuasaconfig CSRC_IOASIC 11554247417dSYoichi Yuasa bool 11564247417dSYoichi Yuasa 1157940f6b48SRalf Baechleconfig CSRC_R4K 1158940f6b48SRalf Baechle bool 1159940f6b48SRalf Baechle 1160217dd11eSRalf Baechleconfig CSRC_SB1250 1161217dd11eSRalf Baechle bool 1162217dd11eSRalf Baechle 1163a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1164a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1165a7f4df4eSAlex Smith 1166a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1167d30a2b47SLinus Walleij select GPIOLIB 1168a9aec7feSAtsushi Nemoto bool 1169a9aec7feSAtsushi Nemoto 11700e2794b0SRalf Baechleconfig FW_CFE 1171df78b5c8SAurelien Jarno bool 1172df78b5c8SAurelien Jarno 117340e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 117440e084a5SRalf Baechle bool 117540e084a5SRalf Baechle 1176885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1177f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1178885014bcSFelix Fietkau select DMA_NONCOHERENT 1179885014bcSFelix Fietkau bool 1180885014bcSFelix Fietkau 118120d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 118220d33064SPaul Burton bool 1183347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11845748e1b3SChristoph Hellwig select DMA_NONCOHERENT 118520d33064SPaul Burton 11861da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11871da177e4SLinus Torvalds bool 1188db91427bSChristoph Hellwig # 1189db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1190db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1191db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1192db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1193db91427bSChristoph Hellwig # significant advantages. 1194db91427bSChristoph Hellwig # 1195419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1196f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11972ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 119834dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 1199f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 120034dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 12014ce588cdSRalf Baechle 120236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 12031da177e4SLinus Torvalds bool 12041da177e4SLinus Torvalds 12051b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1206dbb74540SRalf Baechle bool 1207dbb74540SRalf Baechle 12081da177e4SLinus Torvaldsconfig MIPS_BONITO64 12091da177e4SLinus Torvalds bool 12101da177e4SLinus Torvalds 12111da177e4SLinus Torvaldsconfig MIPS_MSC 12121da177e4SLinus Torvalds bool 12131da177e4SLinus Torvalds 12141f21d2bdSBrian Murphyconfig MIPS_NILE4 12151f21d2bdSBrian Murphy bool 12161f21d2bdSBrian Murphy 121739b8d525SRalf Baechleconfig SYNC_R4K 121839b8d525SRalf Baechle bool 121939b8d525SRalf Baechle 1220487d70d0SGabor Juhosconfig MIPS_MACHINE 1221487d70d0SGabor Juhos def_bool n 1222487d70d0SGabor Juhos 1223ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1224d388d685SMaciej W. Rozycki def_bool n 1225d388d685SMaciej W. Rozycki 12264e0748f5SMarkos Chandrasconfig GENERIC_CSUM 12274e0748f5SMarkos Chandras bool 1228932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 12294e0748f5SMarkos Chandras 12308313da30SRalf Baechleconfig GENERIC_ISA_DMA 12318313da30SRalf Baechle bool 12328313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1233a35bee8aSNamhyung Kim select ISA_DMA_API 12348313da30SRalf Baechle 1235aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1236aa414dffSRalf Baechle bool 12378313da30SRalf Baechle select GENERIC_ISA_DMA 1238aa414dffSRalf Baechle 1239a35bee8aSNamhyung Kimconfig ISA_DMA_API 1240a35bee8aSNamhyung Kim bool 1241a35bee8aSNamhyung Kim 1242465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1243465aaed0SDavid Daney bool 1244465aaed0SDavid Daney 12458c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 12468c530ea3SMatt Redfearn bool 12478c530ea3SMatt Redfearn help 12488c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 12498c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 12508c530ea3SMatt Redfearn to allow access to command line and entropy sources. 12518c530ea3SMatt Redfearn 1252f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1253f381bf6dSDavid Daney def_bool y 1254f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1255f381bf6dSDavid Daney 1256f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1257f381bf6dSDavid Daney def_bool y 1258f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1259f381bf6dSDavid Daney 1260f381bf6dSDavid Daney 12615e83d430SRalf Baechle# 12626b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12635e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12645e83d430SRalf Baechle# choice statement should be more obvious to the user. 12655e83d430SRalf Baechle# 12665e83d430SRalf Baechlechoice 12676b2aac42SMasanari Iida prompt "Endianness selection" 12681da177e4SLinus Torvalds help 12691da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12705e83d430SRalf Baechle byte order. These modes require different kernels and a different 12713cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12725e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12733dde6ad8SDavid Sterba one or the other endianness. 12745e83d430SRalf Baechle 12755e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12765e83d430SRalf Baechle bool "Big endian" 12775e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12785e83d430SRalf Baechle 12795e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12805e83d430SRalf Baechle bool "Little endian" 12815e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12825e83d430SRalf Baechle 12835e83d430SRalf Baechleendchoice 12845e83d430SRalf Baechle 128522b0763aSDavid Daneyconfig EXPORT_UASM 128622b0763aSDavid Daney bool 128722b0763aSDavid Daney 12882116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12892116245eSRalf Baechle bool 12902116245eSRalf Baechle 12915e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12925e83d430SRalf Baechle bool 12935e83d430SRalf Baechle 12945e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12955e83d430SRalf Baechle bool 12961da177e4SLinus Torvalds 12979cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12989cffd154SDavid Daney bool 129945e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 13009cffd154SDavid Daney default y 13019cffd154SDavid Daney 1302aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1303aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1304aa1762f4SDavid Daney 13051da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 13061da177e4SLinus Torvalds bool 13071da177e4SLinus Torvalds 13089267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 13099267a30dSMarc St-Jean bool 13109267a30dSMarc St-Jean 13119267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 13129267a30dSMarc St-Jean bool 13139267a30dSMarc St-Jean 13148420fd00SAtsushi Nemotoconfig IRQ_TXX9 13158420fd00SAtsushi Nemoto bool 13168420fd00SAtsushi Nemoto 1317d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1318d5ab1a69SYoichi Yuasa bool 1319d5ab1a69SYoichi Yuasa 1320252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 13211da177e4SLinus Torvalds bool 13221da177e4SLinus Torvalds 1323a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1324a57140e9SThomas Bogendoerfer bool 1325a57140e9SThomas Bogendoerfer 13269267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 13279267a30dSMarc St-Jean bool 13289267a30dSMarc St-Jean 1329a83860c2SRalf Baechleconfig SOC_EMMA2RH 1330a83860c2SRalf Baechle bool 1331a83860c2SRalf Baechle select CEVT_R4K 1332a83860c2SRalf Baechle select CSRC_R4K 1333a83860c2SRalf Baechle select DMA_NONCOHERENT 133467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1335a83860c2SRalf Baechle select SWAP_IO_SPACE 1336a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1337a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1338a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1339a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1340a83860c2SRalf Baechle 1341edb6310aSDaniel Lairdconfig SOC_PNX833X 1342edb6310aSDaniel Laird bool 1343edb6310aSDaniel Laird select CEVT_R4K 1344edb6310aSDaniel Laird select CSRC_R4K 134567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1346edb6310aSDaniel Laird select DMA_NONCOHERENT 1347edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1348edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1349edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1350edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1351377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1352edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1353edb6310aSDaniel Laird 1354edb6310aSDaniel Lairdconfig SOC_PNX8335 1355edb6310aSDaniel Laird bool 1356edb6310aSDaniel Laird select SOC_PNX833X 1357edb6310aSDaniel Laird 1358a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1359a7e07b1aSMarkos Chandras bool 1360a7e07b1aSMarkos Chandras 13611da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13621da177e4SLinus Torvalds bool 13631da177e4SLinus Torvalds 1364e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1365e2defae5SThomas Bogendoerfer bool 1366e2defae5SThomas Bogendoerfer 13675b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13685b438c44SThomas Bogendoerfer bool 13695b438c44SThomas Bogendoerfer 1370e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1371e2defae5SThomas Bogendoerfer bool 1372e2defae5SThomas Bogendoerfer 1373e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1374e2defae5SThomas Bogendoerfer bool 1375e2defae5SThomas Bogendoerfer 1376e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1377e2defae5SThomas Bogendoerfer bool 1378e2defae5SThomas Bogendoerfer 1379e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1380e2defae5SThomas Bogendoerfer bool 1381e2defae5SThomas Bogendoerfer 1382e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1383e2defae5SThomas Bogendoerfer bool 1384e2defae5SThomas Bogendoerfer 13850e2794b0SRalf Baechleconfig FW_ARC32 13865e83d430SRalf Baechle bool 13875e83d430SRalf Baechle 1388aaa9fad3SPaul Bolleconfig FW_SNIPROM 1389231a35d3SThomas Bogendoerfer bool 1390231a35d3SThomas Bogendoerfer 13911da177e4SLinus Torvaldsconfig BOOT_ELF32 13921da177e4SLinus Torvalds bool 13931da177e4SLinus Torvalds 1394930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1395930beb5aSFlorian Fainelli bool 1396930beb5aSFlorian Fainelli 1397930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1398930beb5aSFlorian Fainelli bool 1399930beb5aSFlorian Fainelli 1400930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1401930beb5aSFlorian Fainelli bool 1402930beb5aSFlorian Fainelli 1403930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1404930beb5aSFlorian Fainelli bool 1405930beb5aSFlorian Fainelli 14061da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 14071da177e4SLinus Torvalds int 1408a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 14095432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 14105432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 14115432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 14121da177e4SLinus Torvalds default "5" 14131da177e4SLinus Torvalds 14141da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 14151da177e4SLinus Torvalds bool 14161da177e4SLinus Torvalds 1417e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1418e9422427SThomas Bogendoerfer bool 1419e9422427SThomas Bogendoerfer 14201da177e4SLinus Torvaldsconfig ARC_CONSOLE 14211da177e4SLinus Torvalds bool "ARC console support" 1422e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 14231da177e4SLinus Torvalds 14241da177e4SLinus Torvaldsconfig ARC_MEMORY 14251da177e4SLinus Torvalds bool 14261da177e4SLinus Torvalds 14271da177e4SLinus Torvaldsconfig ARC_PROMLIB 14281da177e4SLinus Torvalds bool 14291da177e4SLinus Torvalds 14300e2794b0SRalf Baechleconfig FW_ARC64 14311da177e4SLinus Torvalds bool 14321da177e4SLinus Torvalds 14331da177e4SLinus Torvaldsconfig BOOT_ELF64 14341da177e4SLinus Torvalds bool 14351da177e4SLinus Torvalds 14361da177e4SLinus Torvaldsmenu "CPU selection" 14371da177e4SLinus Torvalds 14381da177e4SLinus Torvaldschoice 14391da177e4SLinus Torvalds prompt "CPU type" 14401da177e4SLinus Torvalds default CPU_R4X00 14411da177e4SLinus Torvalds 1442268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1443caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1444268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1445d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 14460e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 14470e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 14480e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 14497507445bSHuacai Chen select CPU_SUPPORTS_MSA 1450932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 14510e476d91SHuacai Chen select WEAK_ORDERING 14520e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 14537507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1454b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 145517c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1456d30a2b47SLinus Walleij select GPIOLIB 145709230cbcSChristoph Hellwig select SWIOTLB 14580e476d91SHuacai Chen help 1459caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1460caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1461caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1462caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1463caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 14640e476d91SHuacai Chen 1465caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1466caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 14671e820da3SHuacai Chen default n 14681e820da3SHuacai Chen select CPU_MIPSR2 14691e820da3SHuacai Chen select CPU_HAS_PREFETCH 1470268a2d60SJiaxun Yang depends on CPU_LOONGSON64 14711e820da3SHuacai Chen help 1472caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 14731e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1474268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14751e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14761e820da3SHuacai Chen Fast TLB refill support, etc. 14771e820da3SHuacai Chen 14781e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14791e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14801e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1481caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 14821e820da3SHuacai Chen 1483e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1484caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1485e02e07e3SHuacai Chen default y if SMP 1486268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1487e02e07e3SHuacai Chen help 1488caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1489e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1490e02e07e3SHuacai Chen 1491caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1492e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1493e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1494e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1495e02e07e3SHuacai Chen 1496e02e07e3SHuacai Chen If unsure, please say Y. 1497e02e07e3SHuacai Chen 14983702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14993702bba5SWu Zhangjin bool "Loongson 2E" 15003702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1501268a2d60SJiaxun Yang select CPU_LOONGSON2EF 15022a21c730SFuxin Zhang help 15032a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 15042a21c730SFuxin Zhang with many extensions. 15052a21c730SFuxin Zhang 150625985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 15076f7a251aSWu Zhangjin bonito64. 15086f7a251aSWu Zhangjin 15096f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 15106f7a251aSWu Zhangjin bool "Loongson 2F" 15116f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1512268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1513d30a2b47SLinus Walleij select GPIOLIB 15146f7a251aSWu Zhangjin help 15156f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 15166f7a251aSWu Zhangjin with many extensions. 15176f7a251aSWu Zhangjin 15186f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 15196f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 15206f7a251aSWu Zhangjin Loongson2E. 15216f7a251aSWu Zhangjin 1522ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1523ca585cf9SKelvin Cheung bool "Loongson 1B" 1524ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1525b2afb64cSHuacai Chen select CPU_LOONGSON32 15269ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1527ca585cf9SKelvin Cheung help 1528ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1529968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1530968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1531ca585cf9SKelvin Cheung 153212e3280bSYang Lingconfig CPU_LOONGSON1C 153312e3280bSYang Ling bool "Loongson 1C" 153412e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1535b2afb64cSHuacai Chen select CPU_LOONGSON32 153612e3280bSYang Ling select LEDS_GPIO_REGISTER 153712e3280bSYang Ling help 153812e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1539968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1540968dc5a0S谢致邦 (XIE Zhibang) instruction set. 154112e3280bSYang Ling 15426e760c8dSRalf Baechleconfig CPU_MIPS32_R1 15436e760c8dSRalf Baechle bool "MIPS32 Release 1" 15447cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 15456e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1546932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1547797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1548ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15496e760c8dSRalf Baechle help 15505e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 15511e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15521e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15531e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15541e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15551e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 15561e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 15571e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 15581e5f1caaSRalf Baechle performance. 15591e5f1caaSRalf Baechle 15601e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15611e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15627cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15631e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1564932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1565797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1566ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1567a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15682235a54dSSanjay Lal select HAVE_KVM 15691e5f1caaSRalf Baechle help 15705e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15716e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15726e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15736e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15746e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15751da177e4SLinus Torvalds 15767fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1577674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15787fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15797fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15807fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15817fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15827fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15837fd08ca5SLeonid Yegoshin select HAVE_KVM 15847fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15857fd08ca5SLeonid Yegoshin help 15867fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15877fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15887fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15897fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15907fd08ca5SLeonid Yegoshin 15916e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15926e760c8dSRalf Baechle bool "MIPS64 Release 1" 15937cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1594797798c1SRalf Baechle select CPU_HAS_PREFETCH 1595932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1597ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1598ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15999cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 16006e760c8dSRalf Baechle help 16016e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 16026e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16036e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16046e760c8dSRalf Baechle specific type of processor in your system, choose those that one 16056e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16061e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 16071e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 16081e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 16091e5f1caaSRalf Baechle performance. 16101e5f1caaSRalf Baechle 16111e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 16121e5f1caaSRalf Baechle bool "MIPS64 Release 2" 16137cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1614797798c1SRalf Baechle select CPU_HAS_PREFETCH 1615932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16161e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16171e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1618ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16199cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1620a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 162140a2df49SJames Hogan select HAVE_KVM 16221e5f1caaSRalf Baechle help 16231e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 16241e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16251e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16261e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 16271e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16281da177e4SLinus Torvalds 16297fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1630674d10e2SMarkos Chandras bool "MIPS64 Release 6" 16317fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 16327fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 16337fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 16347fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 16357fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1636afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 16377fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16382e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 163940a2df49SJames Hogan select HAVE_KVM 16407fd08ca5SLeonid Yegoshin help 16417fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16427fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16437fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16447fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16457fd08ca5SLeonid Yegoshin 16461da177e4SLinus Torvaldsconfig CPU_R3000 16471da177e4SLinus Torvalds bool "R3000" 16487cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1649f7062ddbSRalf Baechle select CPU_HAS_WB 1650932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 165154746829SPaul Burton select CPU_R3K_TLB 1652ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1653797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16541da177e4SLinus Torvalds help 16551da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16561da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16571da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16581da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16591da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16601da177e4SLinus Torvalds try to recompile with R3000. 16611da177e4SLinus Torvalds 16621da177e4SLinus Torvaldsconfig CPU_TX39XX 16631da177e4SLinus Torvalds bool "R39XX" 16647cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1665ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1666932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 166754746829SPaul Burton select CPU_R3K_TLB 16681da177e4SLinus Torvalds 16691da177e4SLinus Torvaldsconfig CPU_VR41XX 16701da177e4SLinus Torvalds bool "R41xx" 16717cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1672ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1673ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1674932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16751da177e4SLinus Torvalds help 16765e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16771da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16781da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16791da177e4SLinus Torvalds processor or vice versa. 16801da177e4SLinus Torvalds 16811da177e4SLinus Torvaldsconfig CPU_R4X00 16821da177e4SLinus Torvalds bool "R4x00" 16837cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1684ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1685ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1686970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1687932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16881da177e4SLinus Torvalds help 16891da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16901da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16911da177e4SLinus Torvalds 16921da177e4SLinus Torvaldsconfig CPU_TX49XX 16931da177e4SLinus Torvalds bool "R49XX" 16947cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1695de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1696932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1697ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1698ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1699970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17001da177e4SLinus Torvalds 17011da177e4SLinus Torvaldsconfig CPU_R5000 17021da177e4SLinus Torvalds bool "R5000" 17037cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1704ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1705ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1706970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1707932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17081da177e4SLinus Torvalds help 17091da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 17101da177e4SLinus Torvalds 1711542c1020SShinya Kuribayashiconfig CPU_R5500 1712542c1020SShinya Kuribayashi bool "R5500" 1713542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1714542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1715542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 17169cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1717932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1718542c1020SShinya Kuribayashi help 1719542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1720542c1020SShinya Kuribayashi instruction set. 1721542c1020SShinya Kuribayashi 17221da177e4SLinus Torvaldsconfig CPU_NEVADA 17231da177e4SLinus Torvalds bool "RM52xx" 17247cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1725ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1726ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1727970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1728932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17291da177e4SLinus Torvalds help 17301da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 17311da177e4SLinus Torvalds 17321da177e4SLinus Torvaldsconfig CPU_R10000 17331da177e4SLinus Torvalds bool "R10000" 17347cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 17355e83d430SRalf Baechle select CPU_HAS_PREFETCH 1736932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1737ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1738ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1739797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1740970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17411da177e4SLinus Torvalds help 17421da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17431da177e4SLinus Torvalds 17441da177e4SLinus Torvaldsconfig CPU_RM7000 17451da177e4SLinus Torvalds bool "RM7000" 17467cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17475e83d430SRalf Baechle select CPU_HAS_PREFETCH 1748932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1749ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1750ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1751797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1752970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17531da177e4SLinus Torvalds 17541da177e4SLinus Torvaldsconfig CPU_SB1 17551da177e4SLinus Torvalds bool "SB1" 17567cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1757932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1758ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1759ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1760797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1761970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17620004a9dfSRalf Baechle select WEAK_ORDERING 17631da177e4SLinus Torvalds 1764a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1765a86c7f72SDavid Daney bool "Cavium Octeon processor" 17665e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1767a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1768932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1769a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1770a86c7f72SDavid Daney select WEAK_ORDERING 1771a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17729cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1773df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1774df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1775930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17760ae3abcdSJames Hogan select HAVE_KVM 1777a86c7f72SDavid Daney help 1778a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1779a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1780a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1781a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1782a86c7f72SDavid Daney 1783cd746249SJonas Gorskiconfig CPU_BMIPS 1784cd746249SJonas Gorski bool "Broadcom BMIPS" 1785cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1786cd746249SJonas Gorski select CPU_MIPS32 1787fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1788cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1789cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1790cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1791cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1792cd746249SJonas Gorski select DMA_NONCOHERENT 179367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1794cd746249SJonas Gorski select SWAP_IO_SPACE 1795cd746249SJonas Gorski select WEAK_ORDERING 1796c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 179769aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1798932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1799a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1800a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1801c1c0c461SKevin Cernekee help 1802fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1803c1c0c461SKevin Cernekee 18047f058e85SJayachandran Cconfig CPU_XLR 18057f058e85SJayachandran C bool "Netlogic XLR SoC" 18067f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1807932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18087f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18097f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18107f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1811970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18127f058e85SJayachandran C select WEAK_ORDERING 18137f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18147f058e85SJayachandran C help 18157f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 18161c773ea4SJayachandran C 18171c773ea4SJayachandran Cconfig CPU_XLP 18181c773ea4SJayachandran C bool "Netlogic XLP SoC" 18191c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 18201c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18211c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18221c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 18231c773ea4SJayachandran C select WEAK_ORDERING 18241c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18251c773ea4SJayachandran C select CPU_HAS_PREFETCH 1826932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1827d6504846SJayachandran C select CPU_MIPSR2 1828ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 18292db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 18301c773ea4SJayachandran C help 18311c773ea4SJayachandran C Netlogic Microsystems XLP processors. 18321da177e4SLinus Torvaldsendchoice 18331da177e4SLinus Torvalds 1834a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1835a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1836a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 18377fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1838a6e18781SLeonid Yegoshin help 1839a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1840a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1841a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1842a6e18781SLeonid Yegoshin 1843a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1844a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1845a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1846a6e18781SLeonid Yegoshin select EVA 1847a6e18781SLeonid Yegoshin default y 1848a6e18781SLeonid Yegoshin help 1849a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1850a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1851a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1852a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1853a6e18781SLeonid Yegoshin 1854c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1855c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1856c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1857c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1858c5b36783SSteven J. Hill help 1859c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1860c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1861c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1862c5b36783SSteven J. Hill 1863c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1864c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1865c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1866c5b36783SSteven J. Hill depends on !EVA 1867c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1868c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1869c5b36783SSteven J. Hill select XPA 1870c5b36783SSteven J. Hill select HIGHMEM 1871d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1872c5b36783SSteven J. Hill default n 1873c5b36783SSteven J. Hill help 1874c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1875c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1876c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1877c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1878c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1879c5b36783SSteven J. Hill If unsure, say 'N' here. 1880c5b36783SSteven J. Hill 1881622844bfSWu Zhangjinif CPU_LOONGSON2F 1882622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1883622844bfSWu Zhangjin bool 1884622844bfSWu Zhangjin 1885622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1886622844bfSWu Zhangjin bool 1887622844bfSWu Zhangjin 1888622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1889622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1890622844bfSWu Zhangjin default y 1891622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1892622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1893622844bfSWu Zhangjin help 1894622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1895622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1896622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1897622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1898622844bfSWu Zhangjin 1899622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1900622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1901622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1902622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1903622844bfSWu Zhangjin systems. 1904622844bfSWu Zhangjin 1905622844bfSWu Zhangjin If unsure, please say Y. 1906622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1907622844bfSWu Zhangjin 19081b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 19091b93b3c3SWu Zhangjin bool 19101b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 19111b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 191231c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 19131b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1914fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 19154e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 19161b93b3c3SWu Zhangjin 19171b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 19181b93b3c3SWu Zhangjin bool 19191b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 19201b93b3c3SWu Zhangjin 1921dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1922dbb98314SAlban Bedel bool 1923dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1924dbb98314SAlban Bedel 1925268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 19263702bba5SWu Zhangjin bool 19273702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 19283702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 19293702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1930970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1931e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1932932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 19333702bba5SWu Zhangjin 1934b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1935ca585cf9SKelvin Cheung bool 1936ca585cf9SKelvin Cheung select CPU_MIPS32 19377e280f6bSJiaxun Yang select CPU_MIPSR2 1938ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1939932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1940ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1941ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1942f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1943ca585cf9SKelvin Cheung 1944fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 194504fa8bf7SJonas Gorski select SMP_UP if SMP 19461bbb6c1bSKevin Cernekee bool 1947cd746249SJonas Gorski 1948cd746249SJonas Gorskiconfig CPU_BMIPS4350 1949cd746249SJonas Gorski bool 1950cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1951cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1952cd746249SJonas Gorski 1953cd746249SJonas Gorskiconfig CPU_BMIPS4380 1954cd746249SJonas Gorski bool 1955bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1956cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1957cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1958b4720809SFlorian Fainelli select CPU_HAS_RIXI 1959cd746249SJonas Gorski 1960cd746249SJonas Gorskiconfig CPU_BMIPS5000 1961cd746249SJonas Gorski bool 1962cd746249SJonas Gorski select MIPS_CPU_SCACHE 1963bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1964cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1965cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1966b4720809SFlorian Fainelli select CPU_HAS_RIXI 19671bbb6c1bSKevin Cernekee 1968268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19690e476d91SHuacai Chen bool 19700e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1971b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19720e476d91SHuacai Chen 19733702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19742a21c730SFuxin Zhang bool 19752a21c730SFuxin Zhang 19766f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19776f7a251aSWu Zhangjin bool 197855045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 197955045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 19806f7a251aSWu Zhangjin 1981ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1982ca585cf9SKelvin Cheung bool 1983ca585cf9SKelvin Cheung 198412e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 198512e3280bSYang Ling bool 198612e3280bSYang Ling 19877cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19887cf8053bSRalf Baechle bool 19897cf8053bSRalf Baechle 19907cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19917cf8053bSRalf Baechle bool 19927cf8053bSRalf Baechle 1993a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1994a6e18781SLeonid Yegoshin bool 1995a6e18781SLeonid Yegoshin 1996c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1997c5b36783SSteven J. Hill bool 19989ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1999c5b36783SSteven J. Hill 20007fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 20017fd08ca5SLeonid Yegoshin bool 20029ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20037fd08ca5SLeonid Yegoshin 20047cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 20057cf8053bSRalf Baechle bool 20067cf8053bSRalf Baechle 20077cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 20087cf8053bSRalf Baechle bool 20097cf8053bSRalf Baechle 20107fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 20117fd08ca5SLeonid Yegoshin bool 20129ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20137fd08ca5SLeonid Yegoshin 20147cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 20157cf8053bSRalf Baechle bool 20167cf8053bSRalf Baechle 20177cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 20187cf8053bSRalf Baechle bool 20197cf8053bSRalf Baechle 20207cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 20217cf8053bSRalf Baechle bool 20227cf8053bSRalf Baechle 20237cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 20247cf8053bSRalf Baechle bool 20257cf8053bSRalf Baechle 20267cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 20277cf8053bSRalf Baechle bool 20287cf8053bSRalf Baechle 20297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 20307cf8053bSRalf Baechle bool 20317cf8053bSRalf Baechle 2032542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 2033542c1020SShinya Kuribayashi bool 2034542c1020SShinya Kuribayashi 20357cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 20367cf8053bSRalf Baechle bool 20377cf8053bSRalf Baechle 20387cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20397cf8053bSRalf Baechle bool 20409ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20417cf8053bSRalf Baechle 20427cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20437cf8053bSRalf Baechle bool 20447cf8053bSRalf Baechle 20457cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20467cf8053bSRalf Baechle bool 20477cf8053bSRalf Baechle 20485e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20495e683389SDavid Daney bool 20505e683389SDavid Daney 2051cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2052c1c0c461SKevin Cernekee bool 2053c1c0c461SKevin Cernekee 2054fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2055c1c0c461SKevin Cernekee bool 2056cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2057c1c0c461SKevin Cernekee 2058c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2059c1c0c461SKevin Cernekee bool 2060cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2061c1c0c461SKevin Cernekee 2062c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2063c1c0c461SKevin Cernekee bool 2064cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2065c1c0c461SKevin Cernekee 2066c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2067c1c0c461SKevin Cernekee bool 2068cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2069f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2070c1c0c461SKevin Cernekee 20717f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20727f058e85SJayachandran C bool 20737f058e85SJayachandran C 20741c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20751c773ea4SJayachandran C bool 20761c773ea4SJayachandran C 207717099b11SRalf Baechle# 207817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 207917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 208017099b11SRalf Baechle# 20810004a9dfSRalf Baechleconfig WEAK_ORDERING 20820004a9dfSRalf Baechle bool 208317099b11SRalf Baechle 208417099b11SRalf Baechle# 208517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 208617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 208717099b11SRalf Baechle# 208817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 208917099b11SRalf Baechle bool 20905e83d430SRalf Baechleendmenu 20915e83d430SRalf Baechle 20925e83d430SRalf Baechle# 20935e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20945e83d430SRalf Baechle# 20955e83d430SRalf Baechleconfig CPU_MIPS32 20965e83d430SRalf Baechle bool 20977fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20985e83d430SRalf Baechle 20995e83d430SRalf Baechleconfig CPU_MIPS64 21005e83d430SRalf Baechle bool 21017fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 21025e83d430SRalf Baechle 21035e83d430SRalf Baechle# 210457eeacedSPaul Burton# These indicate the revision of the architecture 21055e83d430SRalf Baechle# 21065e83d430SRalf Baechleconfig CPU_MIPSR1 21075e83d430SRalf Baechle bool 21085e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 21095e83d430SRalf Baechle 21105e83d430SRalf Baechleconfig CPU_MIPSR2 21115e83d430SRalf Baechle bool 2112a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 21138256b17eSFlorian Fainelli select CPU_HAS_RIXI 2114a7e07b1aSMarkos Chandras select MIPS_SPRAM 21155e83d430SRalf Baechle 21167fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 21177fd08ca5SLeonid Yegoshin bool 21187fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 21198256b17eSFlorian Fainelli select CPU_HAS_RIXI 212087321fddSPaul Burton select HAVE_ARCH_BITREVERSE 21212db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 21224a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2123a7e07b1aSMarkos Chandras select MIPS_SPRAM 21245e83d430SRalf Baechle 212557eeacedSPaul Burtonconfig TARGET_ISA_REV 212657eeacedSPaul Burton int 212757eeacedSPaul Burton default 1 if CPU_MIPSR1 212857eeacedSPaul Burton default 2 if CPU_MIPSR2 212957eeacedSPaul Burton default 6 if CPU_MIPSR6 213057eeacedSPaul Burton default 0 213157eeacedSPaul Burton help 213257eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 213357eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 213457eeacedSPaul Burton 2135a6e18781SLeonid Yegoshinconfig EVA 2136a6e18781SLeonid Yegoshin bool 2137a6e18781SLeonid Yegoshin 2138c5b36783SSteven J. Hillconfig XPA 2139c5b36783SSteven J. Hill bool 2140c5b36783SSteven J. Hill 21415e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21425e83d430SRalf Baechle bool 21435e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21445e83d430SRalf Baechle bool 21455e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21465e83d430SRalf Baechle bool 21475e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21485e83d430SRalf Baechle bool 214955045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 215055045ff5SWu Zhangjin bool 215155045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 215255045ff5SWu Zhangjin bool 21539cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21549cffd154SDavid Daney bool 2155171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 215682622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 215782622284SDavid Daney bool 2158cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21595e83d430SRalf Baechle 21608192c9eaSDavid Daney# 21618192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21628192c9eaSDavid Daney# 21638192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21648192c9eaSDavid Daney bool 2165679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21668192c9eaSDavid Daney 21675e83d430SRalf Baechlemenu "Kernel type" 21685e83d430SRalf Baechle 21695e83d430SRalf Baechlechoice 21705e83d430SRalf Baechle prompt "Kernel code model" 21715e83d430SRalf Baechle help 21725e83d430SRalf Baechle You should only select this option if you have a workload that 21735e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21745e83d430SRalf Baechle large memory. You will only be presented a single option in this 21755e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21765e83d430SRalf Baechle 21775e83d430SRalf Baechleconfig 32BIT 21785e83d430SRalf Baechle bool "32-bit kernel" 21795e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21805e83d430SRalf Baechle select TRAD_SIGNALS 21815e83d430SRalf Baechle help 21825e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2183f17c4ca3SRalf Baechle 21845e83d430SRalf Baechleconfig 64BIT 21855e83d430SRalf Baechle bool "64-bit kernel" 21865e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21875e83d430SRalf Baechle help 21885e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21895e83d430SRalf Baechle 21905e83d430SRalf Baechleendchoice 21915e83d430SRalf Baechle 21922235a54dSSanjay Lalconfig KVM_GUEST 21932235a54dSSanjay Lal bool "KVM Guest Kernel" 2194f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21952235a54dSSanjay Lal help 2196caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2197caa1faa7SJames Hogan mode. 21982235a54dSSanjay Lal 2199eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2200eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 22012235a54dSSanjay Lal depends on KVM_GUEST 2202eda3d33cSJames Hogan default 100 22032235a54dSSanjay Lal help 2204eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2205eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2206eda3d33cSJames Hogan timer frequency is specified directly. 22072235a54dSSanjay Lal 22081e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 22091e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 22101e321fa9SLeonid Yegoshin depends on 64BIT 22111e321fa9SLeonid Yegoshin help 22123377e227SAlex Belits Support a maximum at least 48 bits of application virtual 22133377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 22143377e227SAlex Belits For page sizes 16k and above, this option results in a small 22153377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 22163377e227SAlex Belits level of page tables is added which imposes both a memory 22173377e227SAlex Belits overhead as well as slower TLB fault handling. 22183377e227SAlex Belits 22191e321fa9SLeonid Yegoshin If unsure, say N. 22201e321fa9SLeonid Yegoshin 22211da177e4SLinus Torvaldschoice 22221da177e4SLinus Torvalds prompt "Kernel page size" 22231da177e4SLinus Torvalds default PAGE_SIZE_4KB 22241da177e4SLinus Torvalds 22251da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 22261da177e4SLinus Torvalds bool "4kB" 2227268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 22281da177e4SLinus Torvalds help 22291da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 22301da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 22311da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 22321da177e4SLinus Torvalds recommended for low memory systems. 22331da177e4SLinus Torvalds 22341da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22351da177e4SLinus Torvalds bool "8kB" 2236c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22371e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22381da177e4SLinus Torvalds help 22391da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22401da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2241c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2242c2aeaaeaSPaul Burton distribution to support this. 22431da177e4SLinus Torvalds 22441da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22451da177e4SLinus Torvalds bool "16kB" 2246714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22471da177e4SLinus Torvalds help 22481da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22491da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2250714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2251714bfad6SRalf Baechle Linux distribution to support this. 22521da177e4SLinus Torvalds 2253c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2254c52399beSRalf Baechle bool "32kB" 2255c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22561e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2257c52399beSRalf Baechle help 2258c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2259c52399beSRalf Baechle the price of higher memory consumption. This option is available 2260c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2261c52399beSRalf Baechle distribution to support this. 2262c52399beSRalf Baechle 22631da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22641da177e4SLinus Torvalds bool "64kB" 22653b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22661da177e4SLinus Torvalds help 22671da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22681da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22691da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2270714bfad6SRalf Baechle writing this option is still high experimental. 22711da177e4SLinus Torvalds 22721da177e4SLinus Torvaldsendchoice 22731da177e4SLinus Torvalds 2274c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2275c9bace7cSDavid Daney int "Maximum zone order" 2276e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2277e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2278e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2279e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2280e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2281e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2282c9bace7cSDavid Daney range 11 64 2283c9bace7cSDavid Daney default "11" 2284c9bace7cSDavid Daney help 2285c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2286c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2287c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2288c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2289c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2290c9bace7cSDavid Daney increase this value. 2291c9bace7cSDavid Daney 2292c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2293c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2294c9bace7cSDavid Daney 2295c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2296c9bace7cSDavid Daney when choosing a value for this option. 2297c9bace7cSDavid Daney 22981da177e4SLinus Torvaldsconfig BOARD_SCACHE 22991da177e4SLinus Torvalds bool 23001da177e4SLinus Torvalds 23011da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 23021da177e4SLinus Torvalds bool 23031da177e4SLinus Torvalds select BOARD_SCACHE 23041da177e4SLinus Torvalds 23059318c51aSChris Dearman# 23069318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 23079318c51aSChris Dearman# 23089318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 23099318c51aSChris Dearman bool 23109318c51aSChris Dearman select BOARD_SCACHE 23119318c51aSChris Dearman 23121da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 23131da177e4SLinus Torvalds bool 23141da177e4SLinus Torvalds select BOARD_SCACHE 23151da177e4SLinus Torvalds 23161da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 23171da177e4SLinus Torvalds bool 23181da177e4SLinus Torvalds select BOARD_SCACHE 23191da177e4SLinus Torvalds 23201da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 23211da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 23221da177e4SLinus Torvalds depends on CPU_SB1 23231da177e4SLinus Torvalds help 23241da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 23251da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 23261da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 23271da177e4SLinus Torvalds 23281da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2329c8094b53SRalf Baechle bool 23301da177e4SLinus Torvalds 23313165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 23323165c846SFlorian Fainelli bool 2333c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 23343165c846SFlorian Fainelli 2335c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2336183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2337183b40f9SPaul Burton default y 2338183b40f9SPaul Burton help 2339183b40f9SPaul Burton Select y to include support for floating point in the kernel 2340183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2341183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2342183b40f9SPaul Burton userland program attempting to use floating point instructions will 2343183b40f9SPaul Burton receive a SIGILL. 2344183b40f9SPaul Burton 2345183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2346183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2347183b40f9SPaul Burton 2348183b40f9SPaul Burton If unsure, say y. 2349c92e47e5SPaul Burton 235097f7dcbfSPaul Burtonconfig CPU_R2300_FPU 235197f7dcbfSPaul Burton bool 2352c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 235397f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 235497f7dcbfSPaul Burton 235554746829SPaul Burtonconfig CPU_R3K_TLB 235654746829SPaul Burton bool 235754746829SPaul Burton 235891405eb6SFlorian Fainelliconfig CPU_R4K_FPU 235991405eb6SFlorian Fainelli bool 2360c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 236197f7dcbfSPaul Burton default y if !CPU_R2300_FPU 236291405eb6SFlorian Fainelli 236362cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 236462cedc4fSFlorian Fainelli bool 236554746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 236662cedc4fSFlorian Fainelli 236759d6ab86SRalf Baechleconfig MIPS_MT_SMP 2368a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23695cbf9688SPaul Burton default y 2370527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 237159d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2372d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2373c080faa5SSteven J. Hill select SYNC_R4K 237459d6ab86SRalf Baechle select MIPS_MT 237559d6ab86SRalf Baechle select SMP 237687353d8aSRalf Baechle select SMP_UP 2377c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2378c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2379399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 238059d6ab86SRalf Baechle help 2381c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2382c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2383c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2384c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2385c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 238659d6ab86SRalf Baechle 2387f41ae0b2SRalf Baechleconfig MIPS_MT 2388f41ae0b2SRalf Baechle bool 2389f41ae0b2SRalf Baechle 23900ab7aefcSRalf Baechleconfig SCHED_SMT 23910ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23920ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23930ab7aefcSRalf Baechle default n 23940ab7aefcSRalf Baechle help 23950ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23960ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23970ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23980ab7aefcSRalf Baechle 23990ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 24000ab7aefcSRalf Baechle bool 24010ab7aefcSRalf Baechle 2402f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2403f41ae0b2SRalf Baechle bool 2404f41ae0b2SRalf Baechle 2405f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2406f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2407f088fc84SRalf Baechle default y 2408b633648cSRalf Baechle depends on MIPS_MT_SMP 240907cc0c9eSRalf Baechle 2410b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2411b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 24129eaa9a82SPaul Burton depends on CPU_MIPSR6 2413c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2414b0a668fbSLeonid Yegoshin default y 2415b0a668fbSLeonid Yegoshin help 2416b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2417b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 241807edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2419b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2420b0a668fbSLeonid Yegoshin final kernel image. 2421b0a668fbSLeonid Yegoshin 2422f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2423f35764e7SJames Hogan bool 2424f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2425f35764e7SJames Hogan help 2426f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2427f35764e7SJames Hogan physical_memsize. 2428f35764e7SJames Hogan 242907cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 243007cc0c9eSRalf Baechle bool "VPE loader support." 2431f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 243207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 243307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 243407cc0c9eSRalf Baechle select MIPS_MT 243507cc0c9eSRalf Baechle help 243607cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 243707cc0c9eSRalf Baechle onto another VPE and running it. 2438f088fc84SRalf Baechle 243917a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 244017a1d523SDeng-Cheng Zhu bool 244117a1d523SDeng-Cheng Zhu default "y" 244217a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 244317a1d523SDeng-Cheng Zhu 24441a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24451a2a6d7eSDeng-Cheng Zhu bool 24461a2a6d7eSDeng-Cheng Zhu default "y" 24471a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24481a2a6d7eSDeng-Cheng Zhu 2449e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2450e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2451e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2452e01402b1SRalf Baechle default y 2453e01402b1SRalf Baechle help 2454e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2455e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2456e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2457e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2458e01402b1SRalf Baechle 2459e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2460e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2461e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2462e01402b1SRalf Baechle 2463da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2464da615cf6SDeng-Cheng Zhu bool 2465da615cf6SDeng-Cheng Zhu default "y" 2466da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2467da615cf6SDeng-Cheng Zhu 24682c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24692c973ef0SDeng-Cheng Zhu bool 24702c973ef0SDeng-Cheng Zhu default "y" 24712c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24722c973ef0SDeng-Cheng Zhu 24734a16ff4cSRalf Baechleconfig MIPS_CMP 24745cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24755676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2476b10b43baSMarkos Chandras select SMP 2477eb9b5141STim Anderson select SYNC_R4K 2478b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24794a16ff4cSRalf Baechle select WEAK_ORDERING 24804a16ff4cSRalf Baechle default n 24814a16ff4cSRalf Baechle help 2482044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2483044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2484044505c7SPaul Burton its ability to start secondary CPUs. 24854a16ff4cSRalf Baechle 24865cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24875cac93b3SPaul Burton instead of this. 24885cac93b3SPaul Burton 24890ee958e1SPaul Burtonconfig MIPS_CPS 24900ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24915a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24920ee958e1SPaul Burton select MIPS_CM 24931d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24940ee958e1SPaul Burton select SMP 24950ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24961d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2497c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24980ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24990ee958e1SPaul Burton select WEAK_ORDERING 25000ee958e1SPaul Burton help 25010ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 25020ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 25030ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 25040ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 25050ee958e1SPaul Burton support is unavailable. 25060ee958e1SPaul Burton 25073179d37eSPaul Burtonconfig MIPS_CPS_PM 250839a59593SMarkos Chandras depends on MIPS_CPS 25093179d37eSPaul Burton bool 25103179d37eSPaul Burton 25119f98f3ddSPaul Burtonconfig MIPS_CM 25129f98f3ddSPaul Burton bool 25133c9b4166SPaul Burton select MIPS_CPC 25149f98f3ddSPaul Burton 25159c38cf44SPaul Burtonconfig MIPS_CPC 25169c38cf44SPaul Burton bool 25172600990eSRalf Baechle 25181da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 25191da177e4SLinus Torvalds bool 25201da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 25211da177e4SLinus Torvalds default y 25221da177e4SLinus Torvalds 25231da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 25241da177e4SLinus Torvalds bool 25251da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 25261da177e4SLinus Torvalds default y 25271da177e4SLinus Torvalds 25289e2b5372SMarkos Chandraschoice 25299e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 25309e2b5372SMarkos Chandras 25319e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 25329e2b5372SMarkos Chandras bool "None" 25339e2b5372SMarkos Chandras help 25349e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25359e2b5372SMarkos Chandras 25369693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25379693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25389e2b5372SMarkos Chandras bool "SmartMIPS" 25399693a853SFranck Bui-Huu help 25409693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25419693a853SFranck Bui-Huu increased security at both hardware and software level for 25429693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25439693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25449693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25459693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25469693a853SFranck Bui-Huu here. 25479693a853SFranck Bui-Huu 2548bce86083SSteven J. Hillconfig CPU_MICROMIPS 25497fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25509e2b5372SMarkos Chandras bool "microMIPS" 2551bce86083SSteven J. Hill help 2552bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2553bce86083SSteven J. Hill microMIPS ISA 2554bce86083SSteven J. Hill 25559e2b5372SMarkos Chandrasendchoice 25569e2b5372SMarkos Chandras 2557a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25580ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2559a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2560c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25612a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2562a5e9a69eSPaul Burton help 2563a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2564a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25651db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25661db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25671db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25681db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25691db1af84SPaul Burton the size & complexity of your kernel. 2570a5e9a69eSPaul Burton 2571a5e9a69eSPaul Burton If unsure, say Y. 2572a5e9a69eSPaul Burton 25731da177e4SLinus Torvaldsconfig CPU_HAS_WB 2574f7062ddbSRalf Baechle bool 2575e01402b1SRalf Baechle 2576df0ac8a4SKevin Cernekeeconfig XKS01 2577df0ac8a4SKevin Cernekee bool 2578df0ac8a4SKevin Cernekee 25798256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25808256b17eSFlorian Fainelli bool 25818256b17eSFlorian Fainelli 2582932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2583932afdeeSYasha Cherikovsky bool 2584932afdeeSYasha Cherikovsky help 2585932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2586932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2587932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2588932afdeeSYasha Cherikovsky 2589f41ae0b2SRalf Baechle# 2590f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2591f41ae0b2SRalf Baechle# 2592e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2593f41ae0b2SRalf Baechle bool 2594e01402b1SRalf Baechle 2595f41ae0b2SRalf Baechle# 2596f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2597f41ae0b2SRalf Baechle# 2598e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2599f41ae0b2SRalf Baechle bool 2600e01402b1SRalf Baechle 26011da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 26021da177e4SLinus Torvalds bool 26031da177e4SLinus Torvalds depends on !CPU_R3000 26041da177e4SLinus Torvalds default y 26051da177e4SLinus Torvalds 26061da177e4SLinus Torvalds# 260720d60d99SMaciej W. Rozycki# CPU non-features 260820d60d99SMaciej W. Rozycki# 260920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 261020d60d99SMaciej W. Rozycki bool 261120d60d99SMaciej W. Rozycki 261220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 261320d60d99SMaciej W. Rozycki bool 261420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 261520d60d99SMaciej W. Rozycki 261620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 261720d60d99SMaciej W. Rozycki bool 261820d60d99SMaciej W. Rozycki 2619071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2620071d2f0bSPaul Burton bool 2621071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2622071d2f0bSPaul Burton 26234edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 26244edf00a4SPaul Burton int 26254edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26264edf00a4SPaul Burton default 0 26274edf00a4SPaul Burton 26284edf00a4SPaul Burtonconfig MIPS_ASID_BITS 26294edf00a4SPaul Burton int 26302db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 26314edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26324edf00a4SPaul Burton default 8 26334edf00a4SPaul Burton 26342db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26352db003a5SPaul Burton bool 26362db003a5SPaul Burton 26374a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26384a5dc51eSMarcin Nowakowski bool 26394a5dc51eSMarcin Nowakowski 264020d60d99SMaciej W. Rozycki# 26411da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26421da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26431da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26441da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26451da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26461da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26471da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26481da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2649797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2650797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2651797798c1SRalf Baechle# support. 26521da177e4SLinus Torvalds# 26531da177e4SLinus Torvaldsconfig HIGHMEM 26541da177e4SLinus Torvalds bool "High Memory Support" 2655a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2656797798c1SRalf Baechle 2657797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2658797798c1SRalf Baechle bool 2659797798c1SRalf Baechle 2660797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2661797798c1SRalf Baechle bool 26621da177e4SLinus Torvalds 26639693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26649693a853SFranck Bui-Huu bool 26659693a853SFranck Bui-Huu 2666a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2667a6a4834cSSteven J. Hill bool 2668a6a4834cSSteven J. Hill 2669377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2670377cb1b6SRalf Baechle bool 2671377cb1b6SRalf Baechle help 2672377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2673377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2674377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2675377cb1b6SRalf Baechle 2676a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2677a5e9a69eSPaul Burton bool 2678a5e9a69eSPaul Burton 2679b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2680b4819b59SYoichi Yuasa def_bool y 2681268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2682b4819b59SYoichi Yuasa 2683b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2684b1c6cd42SAtsushi Nemoto bool 2685397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 268631473747SAtsushi Nemoto 2687d8cb4e11SRalf Baechleconfig NUMA 2688d8cb4e11SRalf Baechle bool "NUMA Support" 2689d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2690d8cb4e11SRalf Baechle help 2691d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2692d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2693d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2694d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2695d8cb4e11SRalf Baechle disabled. 2696d8cb4e11SRalf Baechle 2697d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2698d8cb4e11SRalf Baechle bool 2699d8cb4e11SRalf Baechle 2700f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA 2701f3c560a6SThomas Bogendoerfer def_bool y 2702f3c560a6SThomas Bogendoerfer depends on NUMA 2703f3c560a6SThomas Bogendoerfer 2704f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK 2705f3c560a6SThomas Bogendoerfer def_bool y 2706f3c560a6SThomas Bogendoerfer depends on NUMA 2707f3c560a6SThomas Bogendoerfer 27088c530ea3SMatt Redfearnconfig RELOCATABLE 27098c530ea3SMatt Redfearn bool "Relocatable kernel" 27103ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 27118c530ea3SMatt Redfearn help 27128c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 27138c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 27148c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 27158c530ea3SMatt Redfearn but are discarded at runtime 27168c530ea3SMatt Redfearn 2717069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2718069fd766SMatt Redfearn hex "Relocation table size" 2719069fd766SMatt Redfearn depends on RELOCATABLE 2720069fd766SMatt Redfearn range 0x0 0x01000000 2721069fd766SMatt Redfearn default "0x00100000" 2722069fd766SMatt Redfearn ---help--- 2723069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2724069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2725069fd766SMatt Redfearn 2726069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2727069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2728069fd766SMatt Redfearn 2729069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2730069fd766SMatt Redfearn 2731069fd766SMatt Redfearn If unsure, leave at the default value. 2732069fd766SMatt Redfearn 2733405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2734405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2735405bc8fdSMatt Redfearn depends on RELOCATABLE 2736405bc8fdSMatt Redfearn ---help--- 2737405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2738405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2739405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2740405bc8fdSMatt Redfearn of kernel internals. 2741405bc8fdSMatt Redfearn 2742405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2743405bc8fdSMatt Redfearn 2744405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2745405bc8fdSMatt Redfearn 2746405bc8fdSMatt Redfearn If unsure, say N. 2747405bc8fdSMatt Redfearn 2748405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2749405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2750405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2751405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2752405bc8fdSMatt Redfearn range 0x0 0x08000000 2753405bc8fdSMatt Redfearn default "0x01000000" 2754405bc8fdSMatt Redfearn ---help--- 2755405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2756405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2757405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2758405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2759405bc8fdSMatt Redfearn 2760405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2761405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2762405bc8fdSMatt Redfearn 2763c80d79d7SYasunori Gotoconfig NODES_SHIFT 2764c80d79d7SYasunori Goto int 2765c80d79d7SYasunori Goto default "6" 2766c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2767c80d79d7SYasunori Goto 276814f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 276914f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2770268a2d60SJiaxun Yang depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 277114f70012SDeng-Cheng Zhu default y 277214f70012SDeng-Cheng Zhu help 277314f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 277414f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 277514f70012SDeng-Cheng Zhu 27761da177e4SLinus Torvaldsconfig SMP 27771da177e4SLinus Torvalds bool "Multi-Processing support" 2778e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2779e73ea273SRalf Baechle help 27801da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27814a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27824a474157SRobert Graffham than one CPU, say Y. 27831da177e4SLinus Torvalds 27844a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27851da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27861da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27874a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27881da177e4SLinus Torvalds will run faster if you say N here. 27891da177e4SLinus Torvalds 27901da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27911da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27921da177e4SLinus Torvalds 279303502faaSAdrian Bunk See also the SMP-HOWTO available at 279403502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27951da177e4SLinus Torvalds 27961da177e4SLinus Torvalds If you don't know what to do here, say N. 27971da177e4SLinus Torvalds 27987840d618SMatt Redfearnconfig HOTPLUG_CPU 27997840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 28007840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 28017840d618SMatt Redfearn help 28027840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 28037840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 28047840d618SMatt Redfearn (Note: power management support will enable this option 28057840d618SMatt Redfearn automatically on SMP systems. ) 28067840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 28077840d618SMatt Redfearn 280887353d8aSRalf Baechleconfig SMP_UP 280987353d8aSRalf Baechle bool 281087353d8aSRalf Baechle 28114a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 28124a16ff4cSRalf Baechle bool 28134a16ff4cSRalf Baechle 28140ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 28150ee958e1SPaul Burton bool 28160ee958e1SPaul Burton 2817e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2818e73ea273SRalf Baechle bool 2819e73ea273SRalf Baechle 2820130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2821130e2fb7SRalf Baechle bool 2822130e2fb7SRalf Baechle 2823130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2824130e2fb7SRalf Baechle bool 2825130e2fb7SRalf Baechle 2826130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2827130e2fb7SRalf Baechle bool 2828130e2fb7SRalf Baechle 2829130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2830130e2fb7SRalf Baechle bool 2831130e2fb7SRalf Baechle 2832130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2833130e2fb7SRalf Baechle bool 2834130e2fb7SRalf Baechle 28351da177e4SLinus Torvaldsconfig NR_CPUS 2836a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2837a91796a9SJayachandran C range 2 256 28381da177e4SLinus Torvalds depends on SMP 2839130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2840130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2841130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2842130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2843130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28441da177e4SLinus Torvalds help 28451da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28461da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28471da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 284872ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 284972ede9b1SAtsushi Nemoto and 2 for all others. 28501da177e4SLinus Torvalds 28511da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 285272ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 285372ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 285472ede9b1SAtsushi Nemoto power of two. 28551da177e4SLinus Torvalds 2856399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2857399aaa25SAl Cooper bool 2858399aaa25SAl Cooper 28597820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28607820b84bSDavid Daney bool 28617820b84bSDavid Daney 28627820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28637820b84bSDavid Daney int 28647820b84bSDavid Daney depends on SMP 28657820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28667820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28677820b84bSDavid Daney 28681723b4a3SAtsushi Nemoto# 28691723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28701723b4a3SAtsushi Nemoto# 28711723b4a3SAtsushi Nemoto 28721723b4a3SAtsushi Nemotochoice 28731723b4a3SAtsushi Nemoto prompt "Timer frequency" 28741723b4a3SAtsushi Nemoto default HZ_250 28751723b4a3SAtsushi Nemoto help 28761723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28771723b4a3SAtsushi Nemoto 287867596573SPaul Burton config HZ_24 287967596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 288067596573SPaul Burton 28811723b4a3SAtsushi Nemoto config HZ_48 28820f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28831723b4a3SAtsushi Nemoto 28841723b4a3SAtsushi Nemoto config HZ_100 28851723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28861723b4a3SAtsushi Nemoto 28871723b4a3SAtsushi Nemoto config HZ_128 28881723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28891723b4a3SAtsushi Nemoto 28901723b4a3SAtsushi Nemoto config HZ_250 28911723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28921723b4a3SAtsushi Nemoto 28931723b4a3SAtsushi Nemoto config HZ_256 28941723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28951723b4a3SAtsushi Nemoto 28961723b4a3SAtsushi Nemoto config HZ_1000 28971723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28981723b4a3SAtsushi Nemoto 28991723b4a3SAtsushi Nemoto config HZ_1024 29001723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 29011723b4a3SAtsushi Nemoto 29021723b4a3SAtsushi Nemotoendchoice 29031723b4a3SAtsushi Nemoto 290467596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 290567596573SPaul Burton bool 290667596573SPaul Burton 29071723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 29081723b4a3SAtsushi Nemoto bool 29091723b4a3SAtsushi Nemoto 29101723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 29111723b4a3SAtsushi Nemoto bool 29121723b4a3SAtsushi Nemoto 29131723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 29141723b4a3SAtsushi Nemoto bool 29151723b4a3SAtsushi Nemoto 29161723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29171723b4a3SAtsushi Nemoto bool 29181723b4a3SAtsushi Nemoto 29191723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29201723b4a3SAtsushi Nemoto bool 29211723b4a3SAtsushi Nemoto 29221723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29231723b4a3SAtsushi Nemoto bool 29241723b4a3SAtsushi Nemoto 29251723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29261723b4a3SAtsushi Nemoto bool 29271723b4a3SAtsushi Nemoto 29281723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29291723b4a3SAtsushi Nemoto bool 293067596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 293167596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 293267596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 293367596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 293467596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 293567596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 293667596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29371723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29381723b4a3SAtsushi Nemoto 29391723b4a3SAtsushi Nemotoconfig HZ 29401723b4a3SAtsushi Nemoto int 294167596573SPaul Burton default 24 if HZ_24 29421723b4a3SAtsushi Nemoto default 48 if HZ_48 29431723b4a3SAtsushi Nemoto default 100 if HZ_100 29441723b4a3SAtsushi Nemoto default 128 if HZ_128 29451723b4a3SAtsushi Nemoto default 250 if HZ_250 29461723b4a3SAtsushi Nemoto default 256 if HZ_256 29471723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29481723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29491723b4a3SAtsushi Nemoto 295096685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 295196685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 295296685b17SDeng-Cheng Zhu 2953ea6e942bSAtsushi Nemotoconfig KEXEC 29547d60717eSKees Cook bool "Kexec system call" 29552965faa5SDave Young select KEXEC_CORE 2956ea6e942bSAtsushi Nemoto help 2957ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2958ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29593dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2960ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2961ea6e942bSAtsushi Nemoto 296201dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2963ea6e942bSAtsushi Nemoto 2964ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2965ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2966bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2967bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2968bf220695SGeert Uytterhoeven made. 2969ea6e942bSAtsushi Nemoto 29707aa1c8f4SRalf Baechleconfig CRASH_DUMP 29717aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29727aa1c8f4SRalf Baechle help 29737aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29747aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29757aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29767aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29777aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29787aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29797aa1c8f4SRalf Baechle PHYSICAL_START. 29807aa1c8f4SRalf Baechle 29817aa1c8f4SRalf Baechleconfig PHYSICAL_START 29827aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29838bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29847aa1c8f4SRalf Baechle depends on CRASH_DUMP 29857aa1c8f4SRalf Baechle help 29867aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29877aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29887aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29897aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29907aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29917aa1c8f4SRalf Baechle 2992ea6e942bSAtsushi Nemotoconfig SECCOMP 2993ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2994293c5bd1SRalf Baechle depends on PROC_FS 2995ea6e942bSAtsushi Nemoto default y 2996ea6e942bSAtsushi Nemoto help 2997ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2998ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2999ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 3000ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 3001ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 3002ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 3003ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 3004ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 3005ea6e942bSAtsushi Nemoto defined by each seccomp mode. 3006ea6e942bSAtsushi Nemoto 3007ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 3008ea6e942bSAtsushi Nemoto 3009597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 3010b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 3011597ce172SPaul Burton depends on 32BIT || MIPS32_O32 3012597ce172SPaul Burton help 3013597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 3014597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 3015597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3016597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 3017597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 3018597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3019597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3020597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3021597ce172SPaul Burton saying N here. 3022597ce172SPaul Burton 302306e2e882SPaul Burton Although binutils currently supports use of this flag the details 302406e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 302506e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 302606e2e882SPaul Burton behaviour before the details have been finalised, this option should 302706e2e882SPaul Burton be considered experimental and only enabled by those working upon 302806e2e882SPaul Burton said details. 302906e2e882SPaul Burton 303006e2e882SPaul Burton If unsure, say N. 3031597ce172SPaul Burton 3032f2ffa5abSDezhong Diaoconfig USE_OF 30330b3e06fdSJonas Gorski bool 3034f2ffa5abSDezhong Diao select OF 3035e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3036abd2363fSGrant Likely select IRQ_DOMAIN 3037f2ffa5abSDezhong Diao 30382fe8ea39SDengcheng Zhuconfig UHI_BOOT 30392fe8ea39SDengcheng Zhu bool 30402fe8ea39SDengcheng Zhu 30417fafb068SAndrew Brestickerconfig BUILTIN_DTB 30427fafb068SAndrew Bresticker bool 30437fafb068SAndrew Bresticker 30441da8f179SJonas Gorskichoice 30455b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30461da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30471da8f179SJonas Gorski 30481da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30491da8f179SJonas Gorski bool "None" 30501da8f179SJonas Gorski help 30511da8f179SJonas Gorski Do not enable appended dtb support. 30521da8f179SJonas Gorski 305387db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 305487db537dSAaro Koskinen bool "vmlinux" 305587db537dSAaro Koskinen help 305687db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 305787db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 305887db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 305987db537dSAaro Koskinen objcopy: 306087db537dSAaro Koskinen 306187db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 306287db537dSAaro Koskinen 306387db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 306487db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 306587db537dSAaro Koskinen the documented boot protocol using a device tree. 306687db537dSAaro Koskinen 30671da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3068b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30691da8f179SJonas Gorski help 30701da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3071b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30721da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30731da8f179SJonas Gorski 30741da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30751da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30761da8f179SJonas Gorski the documented boot protocol using a device tree. 30771da8f179SJonas Gorski 30781da8f179SJonas Gorski Beware that there is very little in terms of protection against 30791da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30801da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30811da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30821da8f179SJonas Gorski if you don't intend to always append a DTB. 30831da8f179SJonas Gorskiendchoice 30841da8f179SJonas Gorski 30852024972eSJonas Gorskichoice 30862024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30872bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30883f5f0a44SPaul Burton !MIPS_MALTA && \ 30892bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30902024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30912024972eSJonas Gorski 30922024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30932024972eSJonas Gorski depends on USE_OF 30942024972eSJonas Gorski bool "Dtb kernel arguments if available" 30952024972eSJonas Gorski 30962024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30972024972eSJonas Gorski depends on USE_OF 30982024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30992024972eSJonas Gorski 31002024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 31012024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3102ed47e153SRabin Vincent 3103ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3104ed47e153SRabin Vincent depends on CMDLINE_BOOL 3105ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 31062024972eSJonas Gorskiendchoice 31072024972eSJonas Gorski 31085e83d430SRalf Baechleendmenu 31095e83d430SRalf Baechle 31101df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 31111df0f0ffSAtsushi Nemoto bool 31121df0f0ffSAtsushi Nemoto default y 31131df0f0ffSAtsushi Nemoto 31141df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 31151df0f0ffSAtsushi Nemoto bool 31161df0f0ffSAtsushi Nemoto default y 31171df0f0ffSAtsushi Nemoto 3118a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3119a728ab52SKirill A. Shutemov int 31203377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3121a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3122a728ab52SKirill A. Shutemov default 2 3123a728ab52SKirill A. Shutemov 31246c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 31256c359eb1SPaul Burton bool 31266c359eb1SPaul Burton 31271da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31281da177e4SLinus Torvalds 3129c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31302eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3131c5611df9SPaul Burton bool 3132c5611df9SPaul Burton 3133c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3134c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3135c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31362eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31371da177e4SLinus Torvalds 31381da177e4SLinus Torvalds# 31391da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31401da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31411da177e4SLinus Torvalds# users to choose the right thing ... 31421da177e4SLinus Torvalds# 31431da177e4SLinus Torvaldsconfig ISA 31441da177e4SLinus Torvalds bool 31451da177e4SLinus Torvalds 31461da177e4SLinus Torvaldsconfig TC 31471da177e4SLinus Torvalds bool "TURBOchannel support" 31481da177e4SLinus Torvalds depends on MACH_DECSTATION 31491da177e4SLinus Torvalds help 315050a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 315150a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 315250a23e6eSJustin P. Mattock at: 315350a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 315450a23e6eSJustin P. Mattock and: 315550a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 315650a23e6eSJustin P. Mattock Linux driver support status is documented at: 315750a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31581da177e4SLinus Torvalds 31591da177e4SLinus Torvaldsconfig MMU 31601da177e4SLinus Torvalds bool 31611da177e4SLinus Torvalds default y 31621da177e4SLinus Torvalds 3163109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3164109c32ffSMatt Redfearn default 12 if 64BIT 3165109c32ffSMatt Redfearn default 8 3166109c32ffSMatt Redfearn 3167109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3168109c32ffSMatt Redfearn default 18 if 64BIT 3169109c32ffSMatt Redfearn default 15 3170109c32ffSMatt Redfearn 3171109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3172109c32ffSMatt Redfearn default 8 3173109c32ffSMatt Redfearn 3174109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3175109c32ffSMatt Redfearn default 15 3176109c32ffSMatt Redfearn 3177d865bea4SRalf Baechleconfig I8253 3178d865bea4SRalf Baechle bool 3179798778b8SRussell King select CLKSRC_I8253 31802d02612fSThomas Gleixner select CLKEVT_I8253 31819726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3182d865bea4SRalf Baechle 3183e05eb3f8SRalf Baechleconfig ZONE_DMA 3184e05eb3f8SRalf Baechle bool 3185e05eb3f8SRalf Baechle 3186cce335aeSRalf Baechleconfig ZONE_DMA32 3187cce335aeSRalf Baechle bool 3188cce335aeSRalf Baechle 31891da177e4SLinus Torvaldsendmenu 31901da177e4SLinus Torvalds 31911da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31921da177e4SLinus Torvalds bool 31931da177e4SLinus Torvalds 31941da177e4SLinus Torvaldsconfig MIPS32_COMPAT 319578aaf956SRalf Baechle bool 31961da177e4SLinus Torvalds 31971da177e4SLinus Torvaldsconfig COMPAT 31981da177e4SLinus Torvalds bool 31991da177e4SLinus Torvalds 320005e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 320105e43966SAtsushi Nemoto bool 320205e43966SAtsushi Nemoto 32031da177e4SLinus Torvaldsconfig MIPS32_O32 32041da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 320578aaf956SRalf Baechle depends on 64BIT 320678aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 320778aaf956SRalf Baechle select COMPAT 320878aaf956SRalf Baechle select MIPS32_COMPAT 320978aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32101da177e4SLinus Torvalds help 32111da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 32121da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 32131da177e4SLinus Torvalds existing binaries are in this format. 32141da177e4SLinus Torvalds 32151da177e4SLinus Torvalds If unsure, say Y. 32161da177e4SLinus Torvalds 32171da177e4SLinus Torvaldsconfig MIPS32_N32 32181da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3219c22eacfeSRalf Baechle depends on 64BIT 32205a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 322178aaf956SRalf Baechle select COMPAT 322278aaf956SRalf Baechle select MIPS32_COMPAT 322378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32241da177e4SLinus Torvalds help 32251da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 32261da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32271da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32281da177e4SLinus Torvalds cases. 32291da177e4SLinus Torvalds 32301da177e4SLinus Torvalds If unsure, say N. 32311da177e4SLinus Torvalds 32321da177e4SLinus Torvaldsconfig BINFMT_ELF32 32331da177e4SLinus Torvalds bool 32341da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3235f43edca7SRalf Baechle select ELFCORE 32361da177e4SLinus Torvalds 32372116245eSRalf Baechlemenu "Power management options" 3238952fa954SRodolfo Giometti 3239363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3240363c55caSWu Zhangjin def_bool y 32413f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3242363c55caSWu Zhangjin 3243f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3244f4cb5700SJohannes Berg def_bool y 32453f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3246f4cb5700SJohannes Berg 32472116245eSRalf Baechlesource "kernel/power/Kconfig" 3248952fa954SRodolfo Giometti 32491da177e4SLinus Torvaldsendmenu 32501da177e4SLinus Torvalds 32517a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32527a998935SViresh Kumar bool 32537a998935SViresh Kumar 32547a998935SViresh Kumarmenu "CPU Power Management" 3255c095ebafSPaul Burton 3256c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32577a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32587a998935SViresh Kumarendif 32599726b43aSWu Zhangjin 3260c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3261c095ebafSPaul Burton 3262c095ebafSPaul Burtonendmenu 3263c095ebafSPaul Burton 326498cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 326598cdee0eSRalf Baechle 32662235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3267