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_ELF_RANDOMIZE 912597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 101e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 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 1612597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1712597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 1812597988SMatt Redfearn select CLONE_BACKWARDS 1957eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 2012597988SMatt Redfearn select CPU_PM if CPU_IDLE 2112597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2212597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2312597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2412597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 25b962aeb0SPaul Burton select GENERIC_IOMAP 2612597988SMatt Redfearn select GENERIC_IRQ_PROBE 2712597988SMatt Redfearn select GENERIC_IRQ_SHOW 286630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 29740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 30740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 31740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 32740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 33740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 3412597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 3512597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 3612597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 37446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 3812597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 39906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 4012597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 4188547001SJason Wessel select HAVE_ARCH_KGDB 42109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 43109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 44490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 45c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 4645e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 47716850abSHassan Naveed select HAVE_EBPF_JIT if (!CPU_MICROMIPS) 4812597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 4912597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 5064575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5112597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5212597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5312597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5412597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5512597988SMatt Redfearn select HAVE_EXIT_THREAD 5667a929e0SChristoph Hellwig select HAVE_FAST_GUP 5712597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 5829c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 5912597988SMatt Redfearn select HAVE_FUNCTION_TRACER 6012597988SMatt Redfearn select HAVE_IDE 61b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 6212597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 6312597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 64c1bf207dSDavid Daney select HAVE_KPROBES 65c1bf207dSDavid Daney select HAVE_KRETPROBES 66c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 679d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 68786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 6942a0bb3fSPetr Mladek select HAVE_NMI 7012597988SMatt Redfearn select HAVE_OPROFILE 7112597988SMatt Redfearn select HAVE_PERF_EVENTS 7208bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 739ea141adSPaul Burton select HAVE_RSEQ 74d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 7512597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 76a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 7712597988SMatt Redfearn select IRQ_FORCED_THREADING 786630a8e5SChristoph Hellwig select ISA if EISA 7912597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 8012597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8112597988SMatt Redfearn select PERF_USE_VMALLOC 8205a0a344SArnd Bergmann select RTC_LIB 8312597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 8412597988SMatt Redfearn select VIRT_TO_BUS 8561cbfff4SDmitry Korotin select ARCH_HAS_PTE_SPECIAL 861da177e4SLinus Torvalds 871da177e4SLinus Torvaldsmenu "Machine selection" 881da177e4SLinus Torvalds 895e83d430SRalf Baechlechoice 905e83d430SRalf Baechle prompt "System type" 91d41e6858SMatt Redfearn default MIPS_GENERIC 921da177e4SLinus Torvalds 93eed0eabdSPaul Burtonconfig MIPS_GENERIC 94eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 95eed0eabdSPaul Burton select BOOT_RAW 96eed0eabdSPaul Burton select BUILTIN_DTB 97eed0eabdSPaul Burton select CEVT_R4K 98eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 99eed0eabdSPaul Burton select COMMON_CLK 100eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 101eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 102eed0eabdSPaul Burton select CSRC_R4K 103eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 104eb01d42aSChristoph Hellwig select HAVE_PCI 105eed0eabdSPaul Burton select IRQ_MIPS_CPU 106eed0eabdSPaul Burton select LIBFDT 1070211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 108eed0eabdSPaul Burton select MIPS_CPU_SCACHE 109eed0eabdSPaul Burton select MIPS_GIC 110eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 111eed0eabdSPaul Burton select NO_EXCEPT_FILL 112eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 113eed0eabdSPaul Burton select PINCTRL 114eed0eabdSPaul Burton select SMP_UP if SMP 115a3078e59SMatt Redfearn select SWAP_IO_SPACE 116eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 117eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 118eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 119eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 120eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 121eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 122eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 123eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 124eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 125eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 126eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 127eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 128eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 129eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 130eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 131eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 132eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1332e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1342e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1352e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1362e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1372e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1382e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 139eed0eabdSPaul Burton select USE_OF 1402fe8ea39SDengcheng Zhu select UHI_BOOT 141eed0eabdSPaul Burton help 142eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 143eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 144eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 145eed0eabdSPaul Burton Interface) specification. 146eed0eabdSPaul Burton 14742a4f17dSManuel Laussconfig MIPS_ALCHEMY 148c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 149d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 150f772cdb2SRalf Baechle select CEVT_R4K 151d7ea335cSSteven J. Hill select CSRC_R4K 15267e38cf2SRalf Baechle select IRQ_MIPS_CPU 15388e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 15442a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 15542a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 15642a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 157d30a2b47SLinus Walleij select GPIOLIB 1581b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 15947440229SManuel Lauss select COMMON_CLK 1601da177e4SLinus Torvalds 1617ca5dc14SFlorian Fainelliconfig AR7 1627ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1637ca5dc14SFlorian Fainelli select BOOT_ELF32 1647ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1657ca5dc14SFlorian Fainelli select CEVT_R4K 1667ca5dc14SFlorian Fainelli select CSRC_R4K 16767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1687ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1697ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1707ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1717ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1727ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1737ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 174377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1751b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 176d30a2b47SLinus Walleij select GPIOLIB 1777ca5dc14SFlorian Fainelli select VLYNQ 1788551fb64SYoichi Yuasa select HAVE_CLK 1797ca5dc14SFlorian Fainelli help 1807ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1817ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1827ca5dc14SFlorian Fainelli 18343cc739fSSergey Ryazanovconfig ATH25 18443cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 18543cc739fSSergey Ryazanov select CEVT_R4K 18643cc739fSSergey Ryazanov select CSRC_R4K 18743cc739fSSergey Ryazanov select DMA_NONCOHERENT 18867e38cf2SRalf Baechle select IRQ_MIPS_CPU 1891753e74eSSergey Ryazanov select IRQ_DOMAIN 19043cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 19143cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 19243cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1938aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 19443cc739fSSergey Ryazanov help 19543cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 19643cc739fSSergey Ryazanov 197d4a67d9dSGabor Juhosconfig ATH79 198d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 199ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 200d4a67d9dSGabor Juhos select BOOT_RAW 201d4a67d9dSGabor Juhos select CEVT_R4K 202d4a67d9dSGabor Juhos select CSRC_R4K 203d4a67d9dSGabor Juhos select DMA_NONCOHERENT 204d30a2b47SLinus Walleij select GPIOLIB 205a08227a2SJohn Crispin select PINCTRL 20694638067SGabor Juhos select HAVE_CLK 207411520afSAlban Bedel select COMMON_CLK 2082c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 20967e38cf2SRalf Baechle select IRQ_MIPS_CPU 210d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 211d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 212d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 213d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 214377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 215b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 21603c8c407SAlban Bedel select USE_OF 21753d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 218d4a67d9dSGabor Juhos help 219d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 220d4a67d9dSGabor Juhos 2215f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2225f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 223d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 224d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 225d666cd02SKevin Cernekee select BOOT_RAW 226d666cd02SKevin Cernekee select NO_EXCEPT_FILL 227d666cd02SKevin Cernekee select USE_OF 228d666cd02SKevin Cernekee select CEVT_R4K 229d666cd02SKevin Cernekee select CSRC_R4K 230d666cd02SKevin Cernekee select SYNC_R4K 231d666cd02SKevin Cernekee select COMMON_CLK 232c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 23360b858f2SKevin Cernekee select BCM7038_L1_IRQ 23460b858f2SKevin Cernekee select BCM7120_L2_IRQ 23560b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 23667e38cf2SRalf Baechle select IRQ_MIPS_CPU 23760b858f2SKevin Cernekee select DMA_NONCOHERENT 238d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 23960b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 240d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 241d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 24260b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 24360b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 24460b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 245d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 246d666cd02SKevin Cernekee select SWAP_IO_SPACE 24760b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 24860b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 24960b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25060b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2514dc4704cSJustin Chen select HARDIRQS_SW_RESEND 252d666cd02SKevin Cernekee help 2535f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2545f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2555f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2565f2d4459SKevin Cernekee must be set appropriately for your board. 257d666cd02SKevin Cernekee 2581c0c13ebSAurelien Jarnoconfig BCM47XX 259c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 260fe08f8c2SHauke Mehrtens select BOOT_RAW 26142f77542SRalf Baechle select CEVT_R4K 262940f6b48SRalf Baechle select CSRC_R4K 2631c0c13ebSAurelien Jarno select DMA_NONCOHERENT 264eb01d42aSChristoph Hellwig select HAVE_PCI 26567e38cf2SRalf Baechle select IRQ_MIPS_CPU 266314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 267dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2681c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2691c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 270377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2716507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 27225e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 273e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 274c949c0bcSRafał Miłecki select GPIOLIB 275c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 276f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2772ab71a02SRafał Miłecki select BCM47XX_SPROM 278dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2791c0c13ebSAurelien Jarno help 2801c0c13ebSAurelien Jarno Support for BCM47XX based boards 2811c0c13ebSAurelien Jarno 282e7300d04SMaxime Bizonconfig BCM63XX 283e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 284ae8de61cSFlorian Fainelli select BOOT_RAW 285e7300d04SMaxime Bizon select CEVT_R4K 286e7300d04SMaxime Bizon select CSRC_R4K 287fc264022SJonas Gorski select SYNC_R4K 288e7300d04SMaxime Bizon select DMA_NONCOHERENT 28967e38cf2SRalf Baechle select IRQ_MIPS_CPU 290e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 291e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 292e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 293e7300d04SMaxime Bizon select SWAP_IO_SPACE 294d30a2b47SLinus Walleij select GPIOLIB 2953e82eeebSYoichi Yuasa select HAVE_CLK 296af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 297c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 298e7300d04SMaxime Bizon help 299e7300d04SMaxime Bizon Support for BCM63XX based boards 300e7300d04SMaxime Bizon 3011da177e4SLinus Torvaldsconfig MIPS_COBALT 3023fa986faSMartin Michlmayr bool "Cobalt Server" 30342f77542SRalf Baechle select CEVT_R4K 304940f6b48SRalf Baechle select CSRC_R4K 3051097c6acSYoichi Yuasa select CEVT_GT641XX 3061da177e4SLinus Torvalds select DMA_NONCOHERENT 307eb01d42aSChristoph Hellwig select FORCE_PCI 308d865bea4SRalf Baechle select I8253 3091da177e4SLinus Torvalds select I8259 31067e38cf2SRalf Baechle select IRQ_MIPS_CPU 311d5ab1a69SYoichi Yuasa select IRQ_GT641XX 312252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3137cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3140a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 315ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3160e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3175e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 318e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3191da177e4SLinus Torvalds 3201da177e4SLinus Torvaldsconfig MACH_DECSTATION 3213fa986faSMartin Michlmayr bool "DECstations" 3221da177e4SLinus Torvalds select BOOT_ELF32 3236457d9fcSYoichi Yuasa select CEVT_DS1287 32481d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3254247417dSYoichi Yuasa select CSRC_IOASIC 32681d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 32720d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 32820d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 32920d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3301da177e4SLinus Torvalds select DMA_NONCOHERENT 331ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 33267e38cf2SRalf Baechle select IRQ_MIPS_CPU 3337cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3347cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 335ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3367d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3375e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3381723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3391723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3401723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 341930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3425e83d430SRalf Baechle help 3431da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3441da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3451da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3461da177e4SLinus Torvalds 3471da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3481da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3491da177e4SLinus Torvalds 3501da177e4SLinus Torvalds DECstation 5000/50 3511da177e4SLinus Torvalds DECstation 5000/150 3521da177e4SLinus Torvalds DECstation 5000/260 3531da177e4SLinus Torvalds DECsystem 5900/260 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvalds otherwise choose R3000. 3561da177e4SLinus Torvalds 3575e83d430SRalf Baechleconfig MACH_JAZZ 3583fa986faSMartin Michlmayr bool "Jazz family of machines" 359a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3607a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3610e2794b0SRalf Baechle select FW_ARC 3620e2794b0SRalf Baechle select FW_ARC32 3635e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 36442f77542SRalf Baechle select CEVT_R4K 365940f6b48SRalf Baechle select CSRC_R4K 366e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3675e83d430SRalf Baechle select GENERIC_ISA_DMA 3688a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 36967e38cf2SRalf Baechle select IRQ_MIPS_CPU 370d865bea4SRalf Baechle select I8253 3715e83d430SRalf Baechle select I8259 3725e83d430SRalf Baechle select ISA 3737cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3745e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3757d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3761723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3771da177e4SLinus Torvalds help 3785e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3795e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 380692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3815e83d430SRalf Baechle Olivetti M700-10 workstations. 3825e83d430SRalf Baechle 383de361e8bSPaul Burtonconfig MACH_INGENIC 384de361e8bSPaul Burton bool "Ingenic SoC based machines" 3855ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3865ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 387f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 388b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3895ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 39067e38cf2SRalf Baechle select IRQ_MIPS_CPU 39137b4c3caSPaul Cercueil select PINCTRL 392d30a2b47SLinus Walleij select GPIOLIB 393ff1930c6SPaul Burton select COMMON_CLK 39483bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 39515205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 396ffb1843dSPaul Burton select USE_OF 3976ec127fbSPaul Burton select LIBFDT 3985ebabe59SLars-Peter Clausen 399171bb2f1SJohn Crispinconfig LANTIQ 400171bb2f1SJohn Crispin bool "Lantiq based platforms" 401171bb2f1SJohn Crispin select DMA_NONCOHERENT 40267e38cf2SRalf Baechle select IRQ_MIPS_CPU 403171bb2f1SJohn Crispin select CEVT_R4K 404171bb2f1SJohn Crispin select CSRC_R4K 405171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 406171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 407171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 408171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 409377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 410171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 411f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 412171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 413d30a2b47SLinus Walleij select GPIOLIB 414171bb2f1SJohn Crispin select SWAP_IO_SPACE 415171bb2f1SJohn Crispin select BOOT_RAW 416287e3f3fSJohn Crispin select CLKDEV_LOOKUP 417a0392222SJohn Crispin select USE_OF 4183f8c50c9SJohn Crispin select PINCTRL 4193f8c50c9SJohn Crispin select PINCTRL_LANTIQ 420c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 421c530781cSJohn Crispin select RESET_CONTROLLER 422171bb2f1SJohn Crispin 4231f21d2bdSBrian Murphyconfig LASAT 4241f21d2bdSBrian Murphy bool "LASAT Networks platforms" 42542f77542SRalf Baechle select CEVT_R4K 42616f0bbbcSRalf Baechle select CRC32 427940f6b48SRalf Baechle select CSRC_R4K 4281f21d2bdSBrian Murphy select DMA_NONCOHERENT 4291f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 430eb01d42aSChristoph Hellwig select HAVE_PCI 43167e38cf2SRalf Baechle select IRQ_MIPS_CPU 4321f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4331f21d2bdSBrian Murphy select MIPS_NILE4 4341f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4351f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4361f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4371f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4381f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4391f21d2bdSBrian Murphy 44030ad29bbSHuacai Chenconfig MACH_LOONGSON32 44130ad29bbSHuacai Chen bool "Loongson-1 family of machines" 442c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 443ade299d8SYoichi Yuasa help 44430ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 44585749d24SWu Zhangjin 44630ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 44730ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 44830ad29bbSHuacai Chen Sciences (CAS). 449ade299d8SYoichi Yuasa 45030ad29bbSHuacai Chenconfig MACH_LOONGSON64 45130ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 452ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 453ca585cf9SKelvin Cheung help 45430ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 455ca585cf9SKelvin Cheung 45630ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 45730ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 45830ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 45930ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 46030ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 46130ad29bbSHuacai Chen Weiwu Hu. 462ca585cf9SKelvin Cheung 4636a438309SAndrew Brestickerconfig MACH_PISTACHIO 4646a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4656a438309SAndrew Bresticker select BOOT_ELF32 4666a438309SAndrew Bresticker select BOOT_RAW 4676a438309SAndrew Bresticker select CEVT_R4K 4686a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4696a438309SAndrew Bresticker select COMMON_CLK 4706a438309SAndrew Bresticker select CSRC_R4K 471645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 472d30a2b47SLinus Walleij select GPIOLIB 47367e38cf2SRalf Baechle select IRQ_MIPS_CPU 4746a438309SAndrew Bresticker select LIBFDT 4756a438309SAndrew Bresticker select MFD_SYSCON 4766a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4776a438309SAndrew Bresticker select MIPS_GIC 4786a438309SAndrew Bresticker select PINCTRL 4796a438309SAndrew Bresticker select REGULATOR 4806a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4816a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4826a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4836a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4846a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 48541cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4866a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 487018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 488018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4896a438309SAndrew Bresticker select USE_OF 4906a438309SAndrew Bresticker help 4916a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4926a438309SAndrew Bresticker 4931da177e4SLinus Torvaldsconfig MIPS_MALTA 4943fa986faSMartin Michlmayr bool "MIPS Malta board" 49561ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 496a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4977a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4981da177e4SLinus Torvalds select BOOT_ELF32 499fa71c960SRalf Baechle select BOOT_RAW 500e8823d26SPaul Burton select BUILTIN_DTB 50142f77542SRalf Baechle select CEVT_R4K 502fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50342b002abSGuenter Roeck select COMMON_CLK 50447bf2b03SMaksym Kokhan select CSRC_R4K 505885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5061da177e4SLinus Torvalds select GENERIC_ISA_DMA 5078a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 508eb01d42aSChristoph Hellwig select HAVE_PCI 509d865bea4SRalf Baechle select I8253 5101da177e4SLinus Torvalds select I8259 51147bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 51247bf2b03SMaksym Kokhan select LIBFDT 5135e83d430SRalf Baechle select MIPS_BONITO64 5149318c51aSChris Dearman select MIPS_CPU_SCACHE 51547bf2b03SMaksym Kokhan select MIPS_GIC 516a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5175e83d430SRalf Baechle select MIPS_MSC 51847bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 519ecafe3e9SPaul Burton select SMP_UP if SMP 5201da177e4SLinus Torvalds select SWAP_IO_SPACE 5217cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5227cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 523bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 524c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 525575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5267cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5275d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 528575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5297cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5307cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 531ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 532ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5335e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 534c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5355e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 536424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 53747bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5380365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 539e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 540f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 54147bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5429693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 543f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5441b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 545e8823d26SPaul Burton select USE_OF 546abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5471da177e4SLinus Torvalds help 548f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5491da177e4SLinus Torvalds board. 5501da177e4SLinus Torvalds 5512572f00dSJoshua Hendersonconfig MACH_PIC32 5522572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5532572f00dSJoshua Henderson help 5542572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5552572f00dSJoshua Henderson 5562572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5572572f00dSJoshua Henderson microcontrollers. 5582572f00dSJoshua Henderson 559a83860c2SRalf Baechleconfig NEC_MARKEINS 560a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 561a83860c2SRalf Baechle select SOC_EMMA2RH 562eb01d42aSChristoph Hellwig select HAVE_PCI 563a83860c2SRalf Baechle help 564a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 565ade299d8SYoichi Yuasa 5665e83d430SRalf Baechleconfig MACH_VR41XX 56774142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 56842f77542SRalf Baechle select CEVT_R4K 569940f6b48SRalf Baechle select CSRC_R4K 5707cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 571377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 572d30a2b47SLinus Walleij select GPIOLIB 5735e83d430SRalf Baechle 574edb6310aSDaniel Lairdconfig NXP_STB220 575edb6310aSDaniel Laird bool "NXP STB220 board" 576edb6310aSDaniel Laird select SOC_PNX833X 577edb6310aSDaniel Laird help 578edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 579edb6310aSDaniel Laird 580edb6310aSDaniel Lairdconfig NXP_STB225 581edb6310aSDaniel Laird bool "NXP 225 board" 582edb6310aSDaniel Laird select SOC_PNX833X 583edb6310aSDaniel Laird select SOC_PNX8335 584edb6310aSDaniel Laird help 585edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 586edb6310aSDaniel Laird 5879267a30dSMarc St-Jeanconfig PMC_MSP 5889267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 58939d30c13SAnoop P A select CEVT_R4K 59039d30c13SAnoop P A select CSRC_R4K 5919267a30dSMarc St-Jean select DMA_NONCOHERENT 5929267a30dSMarc St-Jean select SWAP_IO_SPACE 5939267a30dSMarc St-Jean select NO_EXCEPT_FILL 5949267a30dSMarc St-Jean select BOOT_RAW 5959267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5969267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5979267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5989267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 599377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 60067e38cf2SRalf Baechle select IRQ_MIPS_CPU 6019267a30dSMarc St-Jean select SERIAL_8250 6029267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6039296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6049296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6059267a30dSMarc St-Jean help 6069267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6079267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6089267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6099267a30dSMarc St-Jean a variety of MIPS cores. 6109267a30dSMarc St-Jean 611ae2b5bb6SJohn Crispinconfig RALINK 612ae2b5bb6SJohn Crispin bool "Ralink based machines" 613ae2b5bb6SJohn Crispin select CEVT_R4K 614ae2b5bb6SJohn Crispin select CSRC_R4K 615ae2b5bb6SJohn Crispin select BOOT_RAW 616ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61767e38cf2SRalf Baechle select IRQ_MIPS_CPU 618ae2b5bb6SJohn Crispin select USE_OF 619ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 620ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 621ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 622ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 623377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 624ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 625ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6262a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6272a153f1cSJohn Crispin select RESET_CONTROLLER 628ae2b5bb6SJohn Crispin 6291da177e4SLinus Torvaldsconfig SGI_IP22 6303fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6310e2794b0SRalf Baechle select FW_ARC 6320e2794b0SRalf Baechle select FW_ARC32 6337a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6341da177e4SLinus Torvalds select BOOT_ELF32 63542f77542SRalf Baechle select CEVT_R4K 636940f6b48SRalf Baechle select CSRC_R4K 637e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6381da177e4SLinus Torvalds select DMA_NONCOHERENT 6396630a8e5SChristoph Hellwig select HAVE_EISA 640d865bea4SRalf Baechle select I8253 64168de4803SThomas Bogendoerfer select I8259 6421da177e4SLinus Torvalds select IP22_CPU_SCACHE 64367e38cf2SRalf Baechle select IRQ_MIPS_CPU 644aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 645e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 646e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 64736e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 648e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 649e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 650e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6511da177e4SLinus Torvalds select SWAP_IO_SPACE 6527cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6537cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6542b5e63f6SMartin Michlmayr # 6552b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6562b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6572b5e63f6SMartin Michlmayr # 6582b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6592b5e63f6SMartin Michlmayr # for a more details discussion 6602b5e63f6SMartin Michlmayr # 6612b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 662ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 663ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6645e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 665930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6661da177e4SLinus Torvalds help 6671da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6681da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6691da177e4SLinus Torvalds that runs on these, say Y here. 6701da177e4SLinus Torvalds 6711da177e4SLinus Torvaldsconfig SGI_IP27 6723fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 67354aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 6740e2794b0SRalf Baechle select FW_ARC 6750e2794b0SRalf Baechle select FW_ARC64 6765e83d430SRalf Baechle select BOOT_ELF64 677e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 67836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 679eb01d42aSChristoph Hellwig select HAVE_PCI 68069a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 681e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 682130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 683a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 684a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 6857cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 686ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6875e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 688d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6891a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 690930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6911da177e4SLinus Torvalds help 6921da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6931da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6941da177e4SLinus Torvalds here. 6951da177e4SLinus Torvalds 696e2defae5SThomas Bogendoerferconfig SGI_IP28 6977d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6980e2794b0SRalf Baechle select FW_ARC 6990e2794b0SRalf Baechle select FW_ARC64 7007a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 701e2defae5SThomas Bogendoerfer select BOOT_ELF64 702e2defae5SThomas Bogendoerfer select CEVT_R4K 703e2defae5SThomas Bogendoerfer select CSRC_R4K 704e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 705e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 706e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 70767e38cf2SRalf Baechle select IRQ_MIPS_CPU 7086630a8e5SChristoph Hellwig select HAVE_EISA 709e2defae5SThomas Bogendoerfer select I8253 710e2defae5SThomas Bogendoerfer select I8259 711e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 712e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7135b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 714e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 715e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 716e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 717e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 718e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7192b5e63f6SMartin Michlmayr # 7202b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7212b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7222b5e63f6SMartin Michlmayr # 7232b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7242b5e63f6SMartin Michlmayr # for a more details discussion 7252b5e63f6SMartin Michlmayr # 7262b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 727e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 728e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 729dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 730e2defae5SThomas Bogendoerfer help 731e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 732e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 733e2defae5SThomas Bogendoerfer 7341da177e4SLinus Torvaldsconfig SGI_IP32 735cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 73603df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7370e2794b0SRalf Baechle select FW_ARC 7380e2794b0SRalf Baechle select FW_ARC32 7391da177e4SLinus Torvalds select BOOT_ELF32 74042f77542SRalf Baechle select CEVT_R4K 741940f6b48SRalf Baechle select CSRC_R4K 7421da177e4SLinus Torvalds select DMA_NONCOHERENT 743eb01d42aSChristoph Hellwig select HAVE_PCI 74467e38cf2SRalf Baechle select IRQ_MIPS_CPU 7451da177e4SLinus Torvalds select R5000_CPU_SCACHE 7461da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7477cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7487cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7497cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 750dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 751ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7525e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7531da177e4SLinus Torvalds help 7541da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7551da177e4SLinus Torvalds 756ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 757ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7585e83d430SRalf Baechle select BOOT_ELF32 7595e83d430SRalf Baechle select SIBYTE_BCM1120 7605e83d430SRalf Baechle select SWAP_IO_SPACE 7617cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7625e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7635e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7645e83d430SRalf Baechle 765ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 766ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7675e83d430SRalf Baechle select BOOT_ELF32 7685e83d430SRalf Baechle select SIBYTE_BCM1120 7695e83d430SRalf Baechle select SWAP_IO_SPACE 7707cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7715e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7725e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7735e83d430SRalf Baechle 7745e83d430SRalf Baechleconfig SIBYTE_CRHONE 7753fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7765e83d430SRalf Baechle select BOOT_ELF32 7775e83d430SRalf Baechle select SIBYTE_BCM1125 7785e83d430SRalf Baechle select SWAP_IO_SPACE 7797cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7805e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7815e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7825e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7835e83d430SRalf Baechle 784ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 785ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 786ade299d8SYoichi Yuasa select BOOT_ELF32 787ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 788ade299d8SYoichi Yuasa select SWAP_IO_SPACE 789ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 790ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 791ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 792ade299d8SYoichi Yuasa 793ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 794ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 795ade299d8SYoichi Yuasa select BOOT_ELF32 796fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 797ade299d8SYoichi Yuasa select SIBYTE_SB1250 798ade299d8SYoichi Yuasa select SWAP_IO_SPACE 799ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 800ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 801ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 802ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 803cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 804e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 805ade299d8SYoichi Yuasa 806ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 807ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 808ade299d8SYoichi Yuasa select BOOT_ELF32 809fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 810ade299d8SYoichi Yuasa select SIBYTE_SB1250 811ade299d8SYoichi Yuasa select SWAP_IO_SPACE 812ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 813ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 814ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 815ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 816756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 817ade299d8SYoichi Yuasa 818ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 819ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 820ade299d8SYoichi Yuasa select BOOT_ELF32 821ade299d8SYoichi Yuasa select SIBYTE_SB1250 822ade299d8SYoichi Yuasa select SWAP_IO_SPACE 823ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 824ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 825ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 826e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 827ade299d8SYoichi Yuasa 828ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 829ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 830ade299d8SYoichi Yuasa select BOOT_ELF32 831ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 832ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 833ade299d8SYoichi Yuasa select SWAP_IO_SPACE 834ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 835ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 836651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 837ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 838cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 839e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 840ade299d8SYoichi Yuasa 84114b36af4SThomas Bogendoerferconfig SNI_RM 84214b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8430e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8440e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 845aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8465e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 847a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8487a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8495e83d430SRalf Baechle select BOOT_ELF32 85042f77542SRalf Baechle select CEVT_R4K 851940f6b48SRalf Baechle select CSRC_R4K 852e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8535e83d430SRalf Baechle select DMA_NONCOHERENT 8545e83d430SRalf Baechle select GENERIC_ISA_DMA 8556630a8e5SChristoph Hellwig select HAVE_EISA 8568a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 857eb01d42aSChristoph Hellwig select HAVE_PCI 85867e38cf2SRalf Baechle select IRQ_MIPS_CPU 859d865bea4SRalf Baechle select I8253 8605e83d430SRalf Baechle select I8259 8615e83d430SRalf Baechle select ISA 8624a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8637cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8644a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 865c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8664a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 86736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 868ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8697d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8704a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8715e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8725e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8731da177e4SLinus Torvalds help 87414b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 87514b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8765e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8775e83d430SRalf Baechle support this machine type. 8781da177e4SLinus Torvalds 879edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 880edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8815e83d430SRalf Baechle 882edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 883edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 88423fbee9dSRalf Baechle 88573b4390fSRalf Baechleconfig MIKROTIK_RB532 88673b4390fSRalf Baechle bool "Mikrotik RB532 boards" 88773b4390fSRalf Baechle select CEVT_R4K 88873b4390fSRalf Baechle select CSRC_R4K 88973b4390fSRalf Baechle select DMA_NONCOHERENT 890eb01d42aSChristoph Hellwig select HAVE_PCI 89167e38cf2SRalf Baechle select IRQ_MIPS_CPU 89273b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 89373b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 89473b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 89573b4390fSRalf Baechle select SWAP_IO_SPACE 89673b4390fSRalf Baechle select BOOT_RAW 897d30a2b47SLinus Walleij select GPIOLIB 898930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 89973b4390fSRalf Baechle help 90073b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 90173b4390fSRalf Baechle based on the IDT RC32434 SoC. 90273b4390fSRalf Baechle 9039ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9049ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 905a86c7f72SDavid Daney select CEVT_R4K 906ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9071753d50cSChristoph Hellwig select HAVE_RAPIDIO 908d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 909a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 910a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 911f65aad41SRalf Baechle select EDAC_SUPPORT 912b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 91373569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 91473569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 915a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9165e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 917eb01d42aSChristoph Hellwig select HAVE_PCI 918f00e001eSDavid Daney select ZONE_DMA32 919465aaed0SDavid Daney select HOLES_IN_ZONE 920d30a2b47SLinus Walleij select GPIOLIB 9216e511163SDavid Daney select LIBFDT 9226e511163SDavid Daney select USE_OF 9236e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9246e511163SDavid Daney select SYS_SUPPORTS_SMP 9257820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9267820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 927e326479fSAndrew Bresticker select BUILTIN_DTB 9288c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 92909230cbcSChristoph Hellwig select SWIOTLB 9303ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 931a86c7f72SDavid Daney help 932a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 933a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 934a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 935a86c7f72SDavid Daney Some of the supported boards are: 936a86c7f72SDavid Daney EBT3000 937a86c7f72SDavid Daney EBH3000 938a86c7f72SDavid Daney EBH3100 939a86c7f72SDavid Daney Thunder 940a86c7f72SDavid Daney Kodama 941a86c7f72SDavid Daney Hikari 942a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 943a86c7f72SDavid Daney 9447f058e85SJayachandran Cconfig NLM_XLR_BOARD 9457f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9467f058e85SJayachandran C select BOOT_ELF32 9477f058e85SJayachandran C select NLM_COMMON 9487f058e85SJayachandran C select SYS_HAS_CPU_XLR 9497f058e85SJayachandran C select SYS_SUPPORTS_SMP 950eb01d42aSChristoph Hellwig select HAVE_PCI 9517f058e85SJayachandran C select SWAP_IO_SPACE 9527f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9537f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 954d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9557f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9567f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9577f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9587f058e85SJayachandran C select CEVT_R4K 9597f058e85SJayachandran C select CSRC_R4K 96067e38cf2SRalf Baechle select IRQ_MIPS_CPU 961b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9627f058e85SJayachandran C select SYNC_R4K 9637f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9648f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9658f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9667f058e85SJayachandran C help 9677f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9687f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9697f058e85SJayachandran C 9701c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9711c773ea4SJayachandran C bool "Netlogic XLP based systems" 9721c773ea4SJayachandran C select BOOT_ELF32 9731c773ea4SJayachandran C select NLM_COMMON 9741c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9751c773ea4SJayachandran C select SYS_SUPPORTS_SMP 976eb01d42aSChristoph Hellwig select HAVE_PCI 9771c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9781c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 979d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 980d30a2b47SLinus Walleij select GPIOLIB 9811c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9821c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9831c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9841c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9851c773ea4SJayachandran C select CEVT_R4K 9861c773ea4SJayachandran C select CSRC_R4K 98767e38cf2SRalf Baechle select IRQ_MIPS_CPU 988b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9891c773ea4SJayachandran C select SYNC_R4K 9901c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9912f6528e1SJayachandran C select USE_OF 9928f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9938f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9941c773ea4SJayachandran C help 9951c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9961c773ea4SJayachandran C Say Y here if you have a XLP based board. 9971c773ea4SJayachandran C 9989bc463beSDavid Daneyconfig MIPS_PARAVIRT 9999bc463beSDavid Daney bool "Para-Virtualized guest system" 10009bc463beSDavid Daney select CEVT_R4K 10019bc463beSDavid Daney select CSRC_R4K 10029bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10039bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10049bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10059bc463beSDavid Daney select SYS_SUPPORTS_SMP 10069bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10079bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10089bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10099bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10109bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1011eb01d42aSChristoph Hellwig select HAVE_PCI 10129bc463beSDavid Daney select SWAP_IO_SPACE 10139bc463beSDavid Daney help 10149bc463beSDavid Daney This option supports guest running under ???? 10159bc463beSDavid Daney 10161da177e4SLinus Torvaldsendchoice 10171da177e4SLinus Torvalds 1018e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10193b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1020d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1021a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1022e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10238945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1024eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10255e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10265ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10278ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10281f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10292572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1030af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10310f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1032ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 103329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 103438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 103522b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10365e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1037a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 103830ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 103930ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10407f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1041ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 104238b18f72SRalf Baechle 10435e83d430SRalf Baechleendmenu 10445e83d430SRalf Baechle 10453c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10463c9ee7efSAkinobu Mita bool 10473c9ee7efSAkinobu Mita default y 10483c9ee7efSAkinobu Mita 10491da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10501da177e4SLinus Torvalds bool 10511da177e4SLinus Torvalds default y 10521da177e4SLinus Torvalds 1053ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10541cc89038SAtsushi Nemoto bool 10551cc89038SAtsushi Nemoto default y 10561cc89038SAtsushi Nemoto 10571da177e4SLinus Torvalds# 10581da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10591da177e4SLinus Torvalds# 10600e2794b0SRalf Baechleconfig FW_ARC 10611da177e4SLinus Torvalds bool 10621da177e4SLinus Torvalds 106361ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106461ed242dSRalf Baechle bool 106561ed242dSRalf Baechle 10669267a30dSMarc St-Jeanconfig BOOT_RAW 10679267a30dSMarc St-Jean bool 10689267a30dSMarc St-Jean 1069217dd11eSRalf Baechleconfig CEVT_BCM1480 1070217dd11eSRalf Baechle bool 1071217dd11eSRalf Baechle 10726457d9fcSYoichi Yuasaconfig CEVT_DS1287 10736457d9fcSYoichi Yuasa bool 10746457d9fcSYoichi Yuasa 10751097c6acSYoichi Yuasaconfig CEVT_GT641XX 10761097c6acSYoichi Yuasa bool 10771097c6acSYoichi Yuasa 107842f77542SRalf Baechleconfig CEVT_R4K 107942f77542SRalf Baechle bool 108042f77542SRalf Baechle 1081217dd11eSRalf Baechleconfig CEVT_SB1250 1082217dd11eSRalf Baechle bool 1083217dd11eSRalf Baechle 1084229f773eSAtsushi Nemotoconfig CEVT_TXX9 1085229f773eSAtsushi Nemoto bool 1086229f773eSAtsushi Nemoto 1087217dd11eSRalf Baechleconfig CSRC_BCM1480 1088217dd11eSRalf Baechle bool 1089217dd11eSRalf Baechle 10904247417dSYoichi Yuasaconfig CSRC_IOASIC 10914247417dSYoichi Yuasa bool 10924247417dSYoichi Yuasa 1093940f6b48SRalf Baechleconfig CSRC_R4K 1094940f6b48SRalf Baechle bool 1095940f6b48SRalf Baechle 1096217dd11eSRalf Baechleconfig CSRC_SB1250 1097217dd11eSRalf Baechle bool 1098217dd11eSRalf Baechle 1099a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1100a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1101a7f4df4eSAlex Smith 1102a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1103d30a2b47SLinus Walleij select GPIOLIB 1104a9aec7feSAtsushi Nemoto bool 1105a9aec7feSAtsushi Nemoto 11060e2794b0SRalf Baechleconfig FW_CFE 1107df78b5c8SAurelien Jarno bool 1108df78b5c8SAurelien Jarno 110940e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 111040e084a5SRalf Baechle bool 111140e084a5SRalf Baechle 1112885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1113f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1114885014bcSFelix Fietkau select DMA_NONCOHERENT 1115885014bcSFelix Fietkau bool 1116885014bcSFelix Fietkau 111720d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 111820d33064SPaul Burton bool 1119347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11205748e1b3SChristoph Hellwig select DMA_NONCOHERENT 112120d33064SPaul Burton 11221da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11231da177e4SLinus Torvalds bool 112458b04406SChristoph Hellwig select ARCH_HAS_DMA_MMAP_PGPROT 1125f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11262ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 1127e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 112858b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1129f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11304ce588cdSRalf Baechle 113136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11321da177e4SLinus Torvalds bool 11331da177e4SLinus Torvalds 11341b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1135dbb74540SRalf Baechle bool 1136dbb74540SRalf Baechle 11371da177e4SLinus Torvaldsconfig MIPS_BONITO64 11381da177e4SLinus Torvalds bool 11391da177e4SLinus Torvalds 11401da177e4SLinus Torvaldsconfig MIPS_MSC 11411da177e4SLinus Torvalds bool 11421da177e4SLinus Torvalds 11431f21d2bdSBrian Murphyconfig MIPS_NILE4 11441f21d2bdSBrian Murphy bool 11451f21d2bdSBrian Murphy 114639b8d525SRalf Baechleconfig SYNC_R4K 114739b8d525SRalf Baechle bool 114839b8d525SRalf Baechle 1149487d70d0SGabor Juhosconfig MIPS_MACHINE 1150487d70d0SGabor Juhos def_bool n 1151487d70d0SGabor Juhos 1152ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1153d388d685SMaciej W. Rozycki def_bool n 1154d388d685SMaciej W. Rozycki 11554e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11564e0748f5SMarkos Chandras bool 1157932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 11584e0748f5SMarkos Chandras 11598313da30SRalf Baechleconfig GENERIC_ISA_DMA 11608313da30SRalf Baechle bool 11618313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1162a35bee8aSNamhyung Kim select ISA_DMA_API 11638313da30SRalf Baechle 1164aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1165aa414dffSRalf Baechle bool 11668313da30SRalf Baechle select GENERIC_ISA_DMA 1167aa414dffSRalf Baechle 1168a35bee8aSNamhyung Kimconfig ISA_DMA_API 1169a35bee8aSNamhyung Kim bool 1170a35bee8aSNamhyung Kim 1171465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1172465aaed0SDavid Daney bool 1173465aaed0SDavid Daney 11748c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11758c530ea3SMatt Redfearn bool 11768c530ea3SMatt Redfearn help 11778c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11788c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11798c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11808c530ea3SMatt Redfearn 1181f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1182f381bf6dSDavid Daney def_bool y 1183f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1184f381bf6dSDavid Daney 1185f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1186f381bf6dSDavid Daney def_bool y 1187f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1188f381bf6dSDavid Daney 1189f381bf6dSDavid Daney 11905e83d430SRalf Baechle# 11916b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11925e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11935e83d430SRalf Baechle# choice statement should be more obvious to the user. 11945e83d430SRalf Baechle# 11955e83d430SRalf Baechlechoice 11966b2aac42SMasanari Iida prompt "Endianness selection" 11971da177e4SLinus Torvalds help 11981da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11995e83d430SRalf Baechle byte order. These modes require different kernels and a different 12003cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12015e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12023dde6ad8SDavid Sterba one or the other endianness. 12035e83d430SRalf Baechle 12045e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12055e83d430SRalf Baechle bool "Big endian" 12065e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12075e83d430SRalf Baechle 12085e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12095e83d430SRalf Baechle bool "Little endian" 12105e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12115e83d430SRalf Baechle 12125e83d430SRalf Baechleendchoice 12135e83d430SRalf Baechle 121422b0763aSDavid Daneyconfig EXPORT_UASM 121522b0763aSDavid Daney bool 121622b0763aSDavid Daney 12172116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12182116245eSRalf Baechle bool 12192116245eSRalf Baechle 12205e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12215e83d430SRalf Baechle bool 12225e83d430SRalf Baechle 12235e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12245e83d430SRalf Baechle bool 12251da177e4SLinus Torvalds 12269cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12279cffd154SDavid Daney bool 122845e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12299cffd154SDavid Daney default y 12309cffd154SDavid Daney 1231aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1232aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1233aa1762f4SDavid Daney 12341da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12351da177e4SLinus Torvalds bool 12361da177e4SLinus Torvalds 12379267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12389267a30dSMarc St-Jean bool 12399267a30dSMarc St-Jean 12409267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12419267a30dSMarc St-Jean bool 12429267a30dSMarc St-Jean 12438420fd00SAtsushi Nemotoconfig IRQ_TXX9 12448420fd00SAtsushi Nemoto bool 12458420fd00SAtsushi Nemoto 1246d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1247d5ab1a69SYoichi Yuasa bool 1248d5ab1a69SYoichi Yuasa 1249252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12501da177e4SLinus Torvalds bool 12511da177e4SLinus Torvalds 1252a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1253a57140e9SThomas Bogendoerfer bool 1254a57140e9SThomas Bogendoerfer 12559267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12569267a30dSMarc St-Jean bool 12579267a30dSMarc St-Jean 1258a83860c2SRalf Baechleconfig SOC_EMMA2RH 1259a83860c2SRalf Baechle bool 1260a83860c2SRalf Baechle select CEVT_R4K 1261a83860c2SRalf Baechle select CSRC_R4K 1262a83860c2SRalf Baechle select DMA_NONCOHERENT 126367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1264a83860c2SRalf Baechle select SWAP_IO_SPACE 1265a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1266a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1267a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1268a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1269a83860c2SRalf Baechle 1270edb6310aSDaniel Lairdconfig SOC_PNX833X 1271edb6310aSDaniel Laird bool 1272edb6310aSDaniel Laird select CEVT_R4K 1273edb6310aSDaniel Laird select CSRC_R4K 127467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1275edb6310aSDaniel Laird select DMA_NONCOHERENT 1276edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1277edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1278edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1279edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1280377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1281edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1282edb6310aSDaniel Laird 1283edb6310aSDaniel Lairdconfig SOC_PNX8335 1284edb6310aSDaniel Laird bool 1285edb6310aSDaniel Laird select SOC_PNX833X 1286edb6310aSDaniel Laird 1287a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1288a7e07b1aSMarkos Chandras bool 1289a7e07b1aSMarkos Chandras 12901da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12911da177e4SLinus Torvalds bool 12921da177e4SLinus Torvalds 1293e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1294e2defae5SThomas Bogendoerfer bool 1295e2defae5SThomas Bogendoerfer 12965b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12975b438c44SThomas Bogendoerfer bool 12985b438c44SThomas Bogendoerfer 1299e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1300e2defae5SThomas Bogendoerfer bool 1301e2defae5SThomas Bogendoerfer 1302e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1303e2defae5SThomas Bogendoerfer bool 1304e2defae5SThomas Bogendoerfer 1305e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1306e2defae5SThomas Bogendoerfer bool 1307e2defae5SThomas Bogendoerfer 1308e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1309e2defae5SThomas Bogendoerfer bool 1310e2defae5SThomas Bogendoerfer 1311e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1312e2defae5SThomas Bogendoerfer bool 1313e2defae5SThomas Bogendoerfer 13140e2794b0SRalf Baechleconfig FW_ARC32 13155e83d430SRalf Baechle bool 13165e83d430SRalf Baechle 1317aaa9fad3SPaul Bolleconfig FW_SNIPROM 1318231a35d3SThomas Bogendoerfer bool 1319231a35d3SThomas Bogendoerfer 13201da177e4SLinus Torvaldsconfig BOOT_ELF32 13211da177e4SLinus Torvalds bool 13221da177e4SLinus Torvalds 1323930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1324930beb5aSFlorian Fainelli bool 1325930beb5aSFlorian Fainelli 1326930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1327930beb5aSFlorian Fainelli bool 1328930beb5aSFlorian Fainelli 1329930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1330930beb5aSFlorian Fainelli bool 1331930beb5aSFlorian Fainelli 1332930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1333930beb5aSFlorian Fainelli bool 1334930beb5aSFlorian Fainelli 13351da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13361da177e4SLinus Torvalds int 1337a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13385432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13395432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13405432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13411da177e4SLinus Torvalds default "5" 13421da177e4SLinus Torvalds 13431da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13441da177e4SLinus Torvalds bool 13451da177e4SLinus Torvalds 13461da177e4SLinus Torvaldsconfig ARC_CONSOLE 13471da177e4SLinus Torvalds bool "ARC console support" 1348e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13491da177e4SLinus Torvalds 13501da177e4SLinus Torvaldsconfig ARC_MEMORY 13511da177e4SLinus Torvalds bool 135214b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13531da177e4SLinus Torvalds default y 13541da177e4SLinus Torvalds 13551da177e4SLinus Torvaldsconfig ARC_PROMLIB 13561da177e4SLinus Torvalds bool 1357e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13581da177e4SLinus Torvalds default y 13591da177e4SLinus Torvalds 13600e2794b0SRalf Baechleconfig FW_ARC64 13611da177e4SLinus Torvalds bool 13621da177e4SLinus Torvalds 13631da177e4SLinus Torvaldsconfig BOOT_ELF64 13641da177e4SLinus Torvalds bool 13651da177e4SLinus Torvalds 13661da177e4SLinus Torvaldsmenu "CPU selection" 13671da177e4SLinus Torvalds 13681da177e4SLinus Torvaldschoice 13691da177e4SLinus Torvalds prompt "CPU type" 13701da177e4SLinus Torvalds default CPU_R4X00 13711da177e4SLinus Torvalds 13720e476d91SHuacai Chenconfig CPU_LOONGSON3 13730e476d91SHuacai Chen bool "Loongson 3 CPU" 13740e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 1375d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 13760e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13770e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13780e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 1379932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 13800e476d91SHuacai Chen select WEAK_ORDERING 13810e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1382b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 138317c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1384d30a2b47SLinus Walleij select GPIOLIB 138509230cbcSChristoph Hellwig select SWIOTLB 13860e476d91SHuacai Chen help 13870e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13880e476d91SHuacai Chen set with many extensions. 13890e476d91SHuacai Chen 13901e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13911e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13921e820da3SHuacai Chen default n 13931e820da3SHuacai Chen select CPU_MIPSR2 13941e820da3SHuacai Chen select CPU_HAS_PREFETCH 13951e820da3SHuacai Chen depends on CPU_LOONGSON3 13961e820da3SHuacai Chen help 13971e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13981e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13991e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 14001e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14011e820da3SHuacai Chen Fast TLB refill support, etc. 14021e820da3SHuacai Chen 14031e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14041e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14051e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 14061e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 14071e820da3SHuacai Chen 1408e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1409e02e07e3SHuacai Chen bool "Old Loongson 3 LLSC Workarounds" 1410e02e07e3SHuacai Chen default y if SMP 1411e02e07e3SHuacai Chen depends on CPU_LOONGSON3 1412e02e07e3SHuacai Chen help 1413e02e07e3SHuacai Chen Loongson 3 processors have the llsc issues which require workarounds. 1414e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1415e02e07e3SHuacai Chen 1416e02e07e3SHuacai Chen Newer Loongson 3 will fix these issues and no workarounds are needed. 1417e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1418e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1419e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1420e02e07e3SHuacai Chen 1421e02e07e3SHuacai Chen If unsure, please say Y. 1422e02e07e3SHuacai Chen 14233702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14243702bba5SWu Zhangjin bool "Loongson 2E" 14253702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14263702bba5SWu Zhangjin select CPU_LOONGSON2 14272a21c730SFuxin Zhang help 14282a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14292a21c730SFuxin Zhang with many extensions. 14302a21c730SFuxin Zhang 143125985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14326f7a251aSWu Zhangjin bonito64. 14336f7a251aSWu Zhangjin 14346f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14356f7a251aSWu Zhangjin bool "Loongson 2F" 14366f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14376f7a251aSWu Zhangjin select CPU_LOONGSON2 1438d30a2b47SLinus Walleij select GPIOLIB 14396f7a251aSWu Zhangjin help 14406f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14416f7a251aSWu Zhangjin with many extensions. 14426f7a251aSWu Zhangjin 14436f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14446f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14456f7a251aSWu Zhangjin Loongson2E. 14466f7a251aSWu Zhangjin 1447ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1448ca585cf9SKelvin Cheung bool "Loongson 1B" 1449ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1450ca585cf9SKelvin Cheung select CPU_LOONGSON1 14519ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1452ca585cf9SKelvin Cheung help 1453ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1454968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1455968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1456ca585cf9SKelvin Cheung 145712e3280bSYang Lingconfig CPU_LOONGSON1C 145812e3280bSYang Ling bool "Loongson 1C" 145912e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 146012e3280bSYang Ling select CPU_LOONGSON1 146112e3280bSYang Ling select LEDS_GPIO_REGISTER 146212e3280bSYang Ling help 146312e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1464968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1465968dc5a0S谢致邦 (XIE Zhibang) instruction set. 146612e3280bSYang Ling 14676e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14686e760c8dSRalf Baechle bool "MIPS32 Release 1" 14697cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14706e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1471932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1472797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1473ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14746e760c8dSRalf Baechle help 14755e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14761e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14771e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14781e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14791e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14801e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14811e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14821e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14831e5f1caaSRalf Baechle performance. 14841e5f1caaSRalf Baechle 14851e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14861e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14877cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14881e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1489932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1490797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1491ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1492a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14932235a54dSSanjay Lal select HAVE_KVM 14941e5f1caaSRalf Baechle help 14955e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14966e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14976e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14986e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14996e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15001da177e4SLinus Torvalds 15017fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1502674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15037fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15047fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15057fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15067fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15077fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15087fd08ca5SLeonid Yegoshin select HAVE_KVM 15097fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15107fd08ca5SLeonid Yegoshin help 15117fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15127fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15137fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15147fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15157fd08ca5SLeonid Yegoshin 15166e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15176e760c8dSRalf Baechle bool "MIPS64 Release 1" 15187cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1519797798c1SRalf Baechle select CPU_HAS_PREFETCH 1520932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1521ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1522ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1523ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15249cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15256e760c8dSRalf Baechle help 15266e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15276e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15286e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15296e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15306e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15311e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15321e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15331e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15341e5f1caaSRalf Baechle performance. 15351e5f1caaSRalf Baechle 15361e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15371e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15387cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1539797798c1SRalf Baechle select CPU_HAS_PREFETCH 1540932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15411e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15421e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1543ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15449cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1545a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 154640a2df49SJames Hogan select HAVE_KVM 15471e5f1caaSRalf Baechle help 15481e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15491e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15501e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15511e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15521e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15531da177e4SLinus Torvalds 15547fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1555674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15567fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15577fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15587fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15597fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15607fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1561afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 15627fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15632e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 156440a2df49SJames Hogan select HAVE_KVM 15657fd08ca5SLeonid Yegoshin help 15667fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15677fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15687fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15697fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15707fd08ca5SLeonid Yegoshin 15711da177e4SLinus Torvaldsconfig CPU_R3000 15721da177e4SLinus Torvalds bool "R3000" 15737cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1574f7062ddbSRalf Baechle select CPU_HAS_WB 1575932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1576ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1577797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15781da177e4SLinus Torvalds help 15791da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15801da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15811da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15821da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15831da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15841da177e4SLinus Torvalds try to recompile with R3000. 15851da177e4SLinus Torvalds 15861da177e4SLinus Torvaldsconfig CPU_TX39XX 15871da177e4SLinus Torvalds bool "R39XX" 15887cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1589ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1590932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15911da177e4SLinus Torvalds 15921da177e4SLinus Torvaldsconfig CPU_VR41XX 15931da177e4SLinus Torvalds bool "R41xx" 15947cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1595ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1597932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15981da177e4SLinus Torvalds help 15995e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16001da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16011da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16021da177e4SLinus Torvalds processor or vice versa. 16031da177e4SLinus Torvalds 16041da177e4SLinus Torvaldsconfig CPU_R4X00 16051da177e4SLinus Torvalds bool "R4x00" 16067cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1607ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1608ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1609970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1610932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16111da177e4SLinus Torvalds help 16121da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16131da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16141da177e4SLinus Torvalds 16151da177e4SLinus Torvaldsconfig CPU_TX49XX 16161da177e4SLinus Torvalds bool "R49XX" 16177cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1618de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1619932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1620ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1621ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1622970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16231da177e4SLinus Torvalds 16241da177e4SLinus Torvaldsconfig CPU_R5000 16251da177e4SLinus Torvalds bool "R5000" 16267cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1627ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1628ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1629970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1630932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16311da177e4SLinus Torvalds help 16321da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16331da177e4SLinus Torvalds 1634542c1020SShinya Kuribayashiconfig CPU_R5500 1635542c1020SShinya Kuribayashi bool "R5500" 1636542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1637542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1638542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16399cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1640932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1641542c1020SShinya Kuribayashi help 1642542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1643542c1020SShinya Kuribayashi instruction set. 1644542c1020SShinya Kuribayashi 16451da177e4SLinus Torvaldsconfig CPU_NEVADA 16461da177e4SLinus Torvalds bool "RM52xx" 16477cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1648ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1649ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1650970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1651932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16521da177e4SLinus Torvalds help 16531da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16541da177e4SLinus Torvalds 16551da177e4SLinus Torvaldsconfig CPU_R10000 16561da177e4SLinus Torvalds bool "R10000" 16577cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16585e83d430SRalf Baechle select CPU_HAS_PREFETCH 1659932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1660ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1661ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1662797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1663970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16641da177e4SLinus Torvalds help 16651da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16661da177e4SLinus Torvalds 16671da177e4SLinus Torvaldsconfig CPU_RM7000 16681da177e4SLinus Torvalds bool "RM7000" 16697cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16705e83d430SRalf Baechle select CPU_HAS_PREFETCH 1671932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1672ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1673ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1674797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1675970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16761da177e4SLinus Torvalds 16771da177e4SLinus Torvaldsconfig CPU_SB1 16781da177e4SLinus Torvalds bool "SB1" 16797cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1680932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1681ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1682ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1683797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1684970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16850004a9dfSRalf Baechle select WEAK_ORDERING 16861da177e4SLinus Torvalds 1687a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1688a86c7f72SDavid Daney bool "Cavium Octeon processor" 16895e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1690a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1691932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1692a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1693a86c7f72SDavid Daney select WEAK_ORDERING 1694a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16959cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1696df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1697df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1698930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 16990ae3abcdSJames Hogan select HAVE_KVM 1700a86c7f72SDavid Daney help 1701a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1702a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1703a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1704a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1705a86c7f72SDavid Daney 1706cd746249SJonas Gorskiconfig CPU_BMIPS 1707cd746249SJonas Gorski bool "Broadcom BMIPS" 1708cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1709cd746249SJonas Gorski select CPU_MIPS32 1710fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1711cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1712cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1713cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1714cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1715cd746249SJonas Gorski select DMA_NONCOHERENT 171667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1717cd746249SJonas Gorski select SWAP_IO_SPACE 1718cd746249SJonas Gorski select WEAK_ORDERING 1719c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 172069aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1721932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1722a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1723a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1724c1c0c461SKevin Cernekee help 1725fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1726c1c0c461SKevin Cernekee 17277f058e85SJayachandran Cconfig CPU_XLR 17287f058e85SJayachandran C bool "Netlogic XLR SoC" 17297f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1730932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17317f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17327f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17337f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1734970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17357f058e85SJayachandran C select WEAK_ORDERING 17367f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17377f058e85SJayachandran C help 17387f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17391c773ea4SJayachandran C 17401c773ea4SJayachandran Cconfig CPU_XLP 17411c773ea4SJayachandran C bool "Netlogic XLP SoC" 17421c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17431c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17441c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17451c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17461c773ea4SJayachandran C select WEAK_ORDERING 17471c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17481c773ea4SJayachandran C select CPU_HAS_PREFETCH 1749932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1750d6504846SJayachandran C select CPU_MIPSR2 1751ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17522db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17531c773ea4SJayachandran C help 17541c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17551da177e4SLinus Torvaldsendchoice 17561da177e4SLinus Torvalds 1757a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1758a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1759a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17607fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1761a6e18781SLeonid Yegoshin help 1762a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1763a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1764a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1765a6e18781SLeonid Yegoshin 1766a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1767a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1768a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1769a6e18781SLeonid Yegoshin select EVA 1770a6e18781SLeonid Yegoshin default y 1771a6e18781SLeonid Yegoshin help 1772a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1773a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1774a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1775a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1776a6e18781SLeonid Yegoshin 1777c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1778c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1779c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1780c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1781c5b36783SSteven J. Hill help 1782c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1783c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1784c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1785c5b36783SSteven J. Hill 1786c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1787c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1788c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1789c5b36783SSteven J. Hill depends on !EVA 1790c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1791c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1792c5b36783SSteven J. Hill select XPA 1793c5b36783SSteven J. Hill select HIGHMEM 1794d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1795c5b36783SSteven J. Hill default n 1796c5b36783SSteven J. Hill help 1797c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1798c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1799c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1800c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1801c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1802c5b36783SSteven J. Hill If unsure, say 'N' here. 1803c5b36783SSteven J. Hill 1804622844bfSWu Zhangjinif CPU_LOONGSON2F 1805622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1806622844bfSWu Zhangjin bool 1807622844bfSWu Zhangjin 1808622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1809622844bfSWu Zhangjin bool 1810622844bfSWu Zhangjin 1811622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1812622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1813622844bfSWu Zhangjin default y 1814622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1815622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1816622844bfSWu Zhangjin help 1817622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1818622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1819622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1820622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1821622844bfSWu Zhangjin 1822622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1823622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1824622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1825622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1826622844bfSWu Zhangjin systems. 1827622844bfSWu Zhangjin 1828622844bfSWu Zhangjin If unsure, please say Y. 1829622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1830622844bfSWu Zhangjin 18311b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18321b93b3c3SWu Zhangjin bool 18331b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18341b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 183531c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18361b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1837fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18384e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18391b93b3c3SWu Zhangjin 18401b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18411b93b3c3SWu Zhangjin bool 18421b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18431b93b3c3SWu Zhangjin 1844dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1845dbb98314SAlban Bedel bool 1846dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1847dbb98314SAlban Bedel 18483702bba5SWu Zhangjinconfig CPU_LOONGSON2 18493702bba5SWu Zhangjin bool 18503702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18513702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18523702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1853970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1854e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1855932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18563702bba5SWu Zhangjin 1857ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1858ca585cf9SKelvin Cheung bool 1859ca585cf9SKelvin Cheung select CPU_MIPS32 18607e280f6bSJiaxun Yang select CPU_MIPSR2 1861ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1862932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1863ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1864ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1865f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1866ca585cf9SKelvin Cheung 1867fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 186804fa8bf7SJonas Gorski select SMP_UP if SMP 18691bbb6c1bSKevin Cernekee bool 1870cd746249SJonas Gorski 1871cd746249SJonas Gorskiconfig CPU_BMIPS4350 1872cd746249SJonas Gorski bool 1873cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1874cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1875cd746249SJonas Gorski 1876cd746249SJonas Gorskiconfig CPU_BMIPS4380 1877cd746249SJonas Gorski bool 1878bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1879cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1880cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1881b4720809SFlorian Fainelli select CPU_HAS_RIXI 1882cd746249SJonas Gorski 1883cd746249SJonas Gorskiconfig CPU_BMIPS5000 1884cd746249SJonas Gorski bool 1885cd746249SJonas Gorski select MIPS_CPU_SCACHE 1886bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1887cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1888cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1889b4720809SFlorian Fainelli select CPU_HAS_RIXI 18901bbb6c1bSKevin Cernekee 18910e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18920e476d91SHuacai Chen bool 18930e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1894b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18950e476d91SHuacai Chen 18963702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18972a21c730SFuxin Zhang bool 18982a21c730SFuxin Zhang 18996f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19006f7a251aSWu Zhangjin bool 190155045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 190255045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 190322f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19046f7a251aSWu Zhangjin 1905ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1906ca585cf9SKelvin Cheung bool 1907ca585cf9SKelvin Cheung 190812e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 190912e3280bSYang Ling bool 191012e3280bSYang Ling 19117cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19127cf8053bSRalf Baechle bool 19137cf8053bSRalf Baechle 19147cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19157cf8053bSRalf Baechle bool 19167cf8053bSRalf Baechle 1917a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1918a6e18781SLeonid Yegoshin bool 1919a6e18781SLeonid Yegoshin 1920c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1921c5b36783SSteven J. Hill bool 19229ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1923c5b36783SSteven J. Hill 19247fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19257fd08ca5SLeonid Yegoshin bool 19269ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19277fd08ca5SLeonid Yegoshin 19287cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19297cf8053bSRalf Baechle bool 19307cf8053bSRalf Baechle 19317cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19327cf8053bSRalf Baechle bool 19337cf8053bSRalf Baechle 19347fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19357fd08ca5SLeonid Yegoshin bool 19369ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19377fd08ca5SLeonid Yegoshin 19387cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19397cf8053bSRalf Baechle bool 19407cf8053bSRalf Baechle 19417cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19427cf8053bSRalf Baechle bool 19437cf8053bSRalf Baechle 19447cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19457cf8053bSRalf Baechle bool 19467cf8053bSRalf Baechle 19477cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19487cf8053bSRalf Baechle bool 19497cf8053bSRalf Baechle 19507cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19517cf8053bSRalf Baechle bool 19527cf8053bSRalf Baechle 19537cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19547cf8053bSRalf Baechle bool 19557cf8053bSRalf Baechle 1956542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1957542c1020SShinya Kuribayashi bool 1958542c1020SShinya Kuribayashi 19597cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19607cf8053bSRalf Baechle bool 19617cf8053bSRalf Baechle 19627cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19637cf8053bSRalf Baechle bool 19649ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19657cf8053bSRalf Baechle 19667cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19677cf8053bSRalf Baechle bool 19687cf8053bSRalf Baechle 19697cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19707cf8053bSRalf Baechle bool 19717cf8053bSRalf Baechle 19725e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19735e683389SDavid Daney bool 19745e683389SDavid Daney 1975cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1976c1c0c461SKevin Cernekee bool 1977c1c0c461SKevin Cernekee 1978fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1979c1c0c461SKevin Cernekee bool 1980cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1981c1c0c461SKevin Cernekee 1982c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1983c1c0c461SKevin Cernekee bool 1984cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1985c1c0c461SKevin Cernekee 1986c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1987c1c0c461SKevin Cernekee bool 1988cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1989c1c0c461SKevin Cernekee 1990c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1991c1c0c461SKevin Cernekee bool 1992cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1993f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 1994c1c0c461SKevin Cernekee 19957f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 19967f058e85SJayachandran C bool 19977f058e85SJayachandran C 19981c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 19991c773ea4SJayachandran C bool 20001c773ea4SJayachandran C 200117099b11SRalf Baechle# 200217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 200317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 200417099b11SRalf Baechle# 20050004a9dfSRalf Baechleconfig WEAK_ORDERING 20060004a9dfSRalf Baechle bool 200717099b11SRalf Baechle 200817099b11SRalf Baechle# 200917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 201017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 201117099b11SRalf Baechle# 201217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 201317099b11SRalf Baechle bool 20145e83d430SRalf Baechleendmenu 20155e83d430SRalf Baechle 20165e83d430SRalf Baechle# 20175e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20185e83d430SRalf Baechle# 20195e83d430SRalf Baechleconfig CPU_MIPS32 20205e83d430SRalf Baechle bool 20217fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20225e83d430SRalf Baechle 20235e83d430SRalf Baechleconfig CPU_MIPS64 20245e83d430SRalf Baechle bool 20257fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20265e83d430SRalf Baechle 20275e83d430SRalf Baechle# 202857eeacedSPaul Burton# These indicate the revision of the architecture 20295e83d430SRalf Baechle# 20305e83d430SRalf Baechleconfig CPU_MIPSR1 20315e83d430SRalf Baechle bool 20325e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20335e83d430SRalf Baechle 20345e83d430SRalf Baechleconfig CPU_MIPSR2 20355e83d430SRalf Baechle bool 2036a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20378256b17eSFlorian Fainelli select CPU_HAS_RIXI 2038a7e07b1aSMarkos Chandras select MIPS_SPRAM 20395e83d430SRalf Baechle 20407fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20417fd08ca5SLeonid Yegoshin bool 20427fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20438256b17eSFlorian Fainelli select CPU_HAS_RIXI 204487321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20452db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20464a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2047a7e07b1aSMarkos Chandras select MIPS_SPRAM 20485e83d430SRalf Baechle 204957eeacedSPaul Burtonconfig TARGET_ISA_REV 205057eeacedSPaul Burton int 205157eeacedSPaul Burton default 1 if CPU_MIPSR1 205257eeacedSPaul Burton default 2 if CPU_MIPSR2 205357eeacedSPaul Burton default 6 if CPU_MIPSR6 205457eeacedSPaul Burton default 0 205557eeacedSPaul Burton help 205657eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 205757eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 205857eeacedSPaul Burton 2059a6e18781SLeonid Yegoshinconfig EVA 2060a6e18781SLeonid Yegoshin bool 2061a6e18781SLeonid Yegoshin 2062c5b36783SSteven J. Hillconfig XPA 2063c5b36783SSteven J. Hill bool 2064c5b36783SSteven J. Hill 20655e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20665e83d430SRalf Baechle bool 20675e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20685e83d430SRalf Baechle bool 20695e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20705e83d430SRalf Baechle bool 20715e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20725e83d430SRalf Baechle bool 207355045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 207455045ff5SWu Zhangjin bool 207555045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 207655045ff5SWu Zhangjin bool 20779cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20789cffd154SDavid Daney bool 2079171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 208022f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 208122f1fdfdSWu Zhangjin bool 208282622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 208382622284SDavid Daney bool 2084cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 20855e83d430SRalf Baechle 20868192c9eaSDavid Daney# 20878192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20888192c9eaSDavid Daney# 20898192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20908192c9eaSDavid Daney bool 2091679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20928192c9eaSDavid Daney 20935e83d430SRalf Baechlemenu "Kernel type" 20945e83d430SRalf Baechle 20955e83d430SRalf Baechlechoice 20965e83d430SRalf Baechle prompt "Kernel code model" 20975e83d430SRalf Baechle help 20985e83d430SRalf Baechle You should only select this option if you have a workload that 20995e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21005e83d430SRalf Baechle large memory. You will only be presented a single option in this 21015e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21025e83d430SRalf Baechle 21035e83d430SRalf Baechleconfig 32BIT 21045e83d430SRalf Baechle bool "32-bit kernel" 21055e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21065e83d430SRalf Baechle select TRAD_SIGNALS 21075e83d430SRalf Baechle help 21085e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2109f17c4ca3SRalf Baechle 21105e83d430SRalf Baechleconfig 64BIT 21115e83d430SRalf Baechle bool "64-bit kernel" 21125e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21135e83d430SRalf Baechle help 21145e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21155e83d430SRalf Baechle 21165e83d430SRalf Baechleendchoice 21175e83d430SRalf Baechle 21182235a54dSSanjay Lalconfig KVM_GUEST 21192235a54dSSanjay Lal bool "KVM Guest Kernel" 2120f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21212235a54dSSanjay Lal help 2122caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2123caa1faa7SJames Hogan mode. 21242235a54dSSanjay Lal 2125eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2126eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21272235a54dSSanjay Lal depends on KVM_GUEST 2128eda3d33cSJames Hogan default 100 21292235a54dSSanjay Lal help 2130eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2131eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2132eda3d33cSJames Hogan timer frequency is specified directly. 21332235a54dSSanjay Lal 21341e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21351e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21361e321fa9SLeonid Yegoshin depends on 64BIT 21371e321fa9SLeonid Yegoshin help 21383377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21393377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21403377e227SAlex Belits For page sizes 16k and above, this option results in a small 21413377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21423377e227SAlex Belits level of page tables is added which imposes both a memory 21433377e227SAlex Belits overhead as well as slower TLB fault handling. 21443377e227SAlex Belits 21451e321fa9SLeonid Yegoshin If unsure, say N. 21461e321fa9SLeonid Yegoshin 21471da177e4SLinus Torvaldschoice 21481da177e4SLinus Torvalds prompt "Kernel page size" 21491da177e4SLinus Torvalds default PAGE_SIZE_4KB 21501da177e4SLinus Torvalds 21511da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21521da177e4SLinus Torvalds bool "4kB" 21530e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21541da177e4SLinus Torvalds help 21551da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21561da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21571da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21581da177e4SLinus Torvalds recommended for low memory systems. 21591da177e4SLinus Torvalds 21601da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21611da177e4SLinus Torvalds bool "8kB" 2162*c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 21631e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21641da177e4SLinus Torvalds help 21651da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21661da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2167*c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2168*c2aeaaeaSPaul Burton distribution to support this. 21691da177e4SLinus Torvalds 21701da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21711da177e4SLinus Torvalds bool "16kB" 2172714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21731da177e4SLinus Torvalds help 21741da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21751da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2176714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2177714bfad6SRalf Baechle Linux distribution to support this. 21781da177e4SLinus Torvalds 2179c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2180c52399beSRalf Baechle bool "32kB" 2181c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21821e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2183c52399beSRalf Baechle help 2184c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2185c52399beSRalf Baechle the price of higher memory consumption. This option is available 2186c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2187c52399beSRalf Baechle distribution to support this. 2188c52399beSRalf Baechle 21891da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21901da177e4SLinus Torvalds bool "64kB" 21913b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21921da177e4SLinus Torvalds help 21931da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21941da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21951da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2196714bfad6SRalf Baechle writing this option is still high experimental. 21971da177e4SLinus Torvalds 21981da177e4SLinus Torvaldsendchoice 21991da177e4SLinus Torvalds 2200c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2201c9bace7cSDavid Daney int "Maximum zone order" 2202e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2203e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2204e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2205e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2206e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2207e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2208c9bace7cSDavid Daney range 11 64 2209c9bace7cSDavid Daney default "11" 2210c9bace7cSDavid Daney help 2211c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2212c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2213c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2214c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2215c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2216c9bace7cSDavid Daney increase this value. 2217c9bace7cSDavid Daney 2218c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2219c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2220c9bace7cSDavid Daney 2221c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2222c9bace7cSDavid Daney when choosing a value for this option. 2223c9bace7cSDavid Daney 22241da177e4SLinus Torvaldsconfig BOARD_SCACHE 22251da177e4SLinus Torvalds bool 22261da177e4SLinus Torvalds 22271da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22281da177e4SLinus Torvalds bool 22291da177e4SLinus Torvalds select BOARD_SCACHE 22301da177e4SLinus Torvalds 22319318c51aSChris Dearman# 22329318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22339318c51aSChris Dearman# 22349318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22359318c51aSChris Dearman bool 22369318c51aSChris Dearman select BOARD_SCACHE 22379318c51aSChris Dearman 22381da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22391da177e4SLinus Torvalds bool 22401da177e4SLinus Torvalds select BOARD_SCACHE 22411da177e4SLinus Torvalds 22421da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22431da177e4SLinus Torvalds bool 22441da177e4SLinus Torvalds select BOARD_SCACHE 22451da177e4SLinus Torvalds 22461da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22471da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22481da177e4SLinus Torvalds depends on CPU_SB1 22491da177e4SLinus Torvalds help 22501da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22511da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22521da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22531da177e4SLinus Torvalds 22541da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2255c8094b53SRalf Baechle bool 22561da177e4SLinus Torvalds 22573165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22583165c846SFlorian Fainelli bool 2259*c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 22603165c846SFlorian Fainelli 2261c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2262183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2263183b40f9SPaul Burton default y 2264183b40f9SPaul Burton help 2265183b40f9SPaul Burton Select y to include support for floating point in the kernel 2266183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2267183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2268183b40f9SPaul Burton userland program attempting to use floating point instructions will 2269183b40f9SPaul Burton receive a SIGILL. 2270183b40f9SPaul Burton 2271183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2272183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2273183b40f9SPaul Burton 2274183b40f9SPaul Burton If unsure, say y. 2275c92e47e5SPaul Burton 227697f7dcbfSPaul Burtonconfig CPU_R2300_FPU 227797f7dcbfSPaul Burton bool 2278c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 227997f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 228097f7dcbfSPaul Burton 228191405eb6SFlorian Fainelliconfig CPU_R4K_FPU 228291405eb6SFlorian Fainelli bool 2283c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 228497f7dcbfSPaul Burton default y if !CPU_R2300_FPU 228591405eb6SFlorian Fainelli 228662cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 228762cedc4fSFlorian Fainelli bool 2288*c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 228962cedc4fSFlorian Fainelli 229059d6ab86SRalf Baechleconfig MIPS_MT_SMP 2291a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22925cbf9688SPaul Burton default y 2293527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 229459d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2295d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2296c080faa5SSteven J. Hill select SYNC_R4K 229759d6ab86SRalf Baechle select MIPS_MT 229859d6ab86SRalf Baechle select SMP 229987353d8aSRalf Baechle select SMP_UP 2300c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2301c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2302399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 230359d6ab86SRalf Baechle help 2304c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2305c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2306c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2307c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2308c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 230959d6ab86SRalf Baechle 2310f41ae0b2SRalf Baechleconfig MIPS_MT 2311f41ae0b2SRalf Baechle bool 2312f41ae0b2SRalf Baechle 23130ab7aefcSRalf Baechleconfig SCHED_SMT 23140ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23150ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23160ab7aefcSRalf Baechle default n 23170ab7aefcSRalf Baechle help 23180ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23190ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23200ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23210ab7aefcSRalf Baechle 23220ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23230ab7aefcSRalf Baechle bool 23240ab7aefcSRalf Baechle 2325f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2326f41ae0b2SRalf Baechle bool 2327f41ae0b2SRalf Baechle 2328f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2329f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2330f088fc84SRalf Baechle default y 2331b633648cSRalf Baechle depends on MIPS_MT_SMP 233207cc0c9eSRalf Baechle 2333b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2334b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23359eaa9a82SPaul Burton depends on CPU_MIPSR6 2336c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2337b0a668fbSLeonid Yegoshin default y 2338b0a668fbSLeonid Yegoshin help 2339b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2340b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 234107edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2342b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2343b0a668fbSLeonid Yegoshin final kernel image. 2344b0a668fbSLeonid Yegoshin 2345f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2346f35764e7SJames Hogan bool 2347f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2348f35764e7SJames Hogan help 2349f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2350f35764e7SJames Hogan physical_memsize. 2351f35764e7SJames Hogan 235207cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 235307cc0c9eSRalf Baechle bool "VPE loader support." 2354f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 235507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 235607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 235707cc0c9eSRalf Baechle select MIPS_MT 235807cc0c9eSRalf Baechle help 235907cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 236007cc0c9eSRalf Baechle onto another VPE and running it. 2361f088fc84SRalf Baechle 236217a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 236317a1d523SDeng-Cheng Zhu bool 236417a1d523SDeng-Cheng Zhu default "y" 236517a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 236617a1d523SDeng-Cheng Zhu 23671a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23681a2a6d7eSDeng-Cheng Zhu bool 23691a2a6d7eSDeng-Cheng Zhu default "y" 23701a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23711a2a6d7eSDeng-Cheng Zhu 2372e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2373e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2374e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2375e01402b1SRalf Baechle default y 2376e01402b1SRalf Baechle help 2377e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2378e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2379e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2380e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2381e01402b1SRalf Baechle 2382e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2383e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2384e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2385e01402b1SRalf Baechle 2386da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2387da615cf6SDeng-Cheng Zhu bool 2388da615cf6SDeng-Cheng Zhu default "y" 2389da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2390da615cf6SDeng-Cheng Zhu 23912c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23922c973ef0SDeng-Cheng Zhu bool 23932c973ef0SDeng-Cheng Zhu default "y" 23942c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23952c973ef0SDeng-Cheng Zhu 23964a16ff4cSRalf Baechleconfig MIPS_CMP 23975cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23985676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2399b10b43baSMarkos Chandras select SMP 2400eb9b5141STim Anderson select SYNC_R4K 2401b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24024a16ff4cSRalf Baechle select WEAK_ORDERING 24034a16ff4cSRalf Baechle default n 24044a16ff4cSRalf Baechle help 2405044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2406044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2407044505c7SPaul Burton its ability to start secondary CPUs. 24084a16ff4cSRalf Baechle 24095cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24105cac93b3SPaul Burton instead of this. 24115cac93b3SPaul Burton 24120ee958e1SPaul Burtonconfig MIPS_CPS 24130ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24145a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24150ee958e1SPaul Burton select MIPS_CM 24161d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24170ee958e1SPaul Burton select SMP 24180ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24191d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2420c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24210ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24220ee958e1SPaul Burton select WEAK_ORDERING 24230ee958e1SPaul Burton help 24240ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24250ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24260ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24270ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24280ee958e1SPaul Burton support is unavailable. 24290ee958e1SPaul Burton 24303179d37eSPaul Burtonconfig MIPS_CPS_PM 243139a59593SMarkos Chandras depends on MIPS_CPS 24323179d37eSPaul Burton bool 24333179d37eSPaul Burton 24349f98f3ddSPaul Burtonconfig MIPS_CM 24359f98f3ddSPaul Burton bool 24363c9b4166SPaul Burton select MIPS_CPC 24379f98f3ddSPaul Burton 24389c38cf44SPaul Burtonconfig MIPS_CPC 24399c38cf44SPaul Burton bool 24402600990eSRalf Baechle 24411da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24421da177e4SLinus Torvalds bool 24431da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24441da177e4SLinus Torvalds default y 24451da177e4SLinus Torvalds 24461da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24471da177e4SLinus Torvalds bool 24481da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24491da177e4SLinus Torvalds default y 24501da177e4SLinus Torvalds 24519e2b5372SMarkos Chandraschoice 24529e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24539e2b5372SMarkos Chandras 24549e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24559e2b5372SMarkos Chandras bool "None" 24569e2b5372SMarkos Chandras help 24579e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24589e2b5372SMarkos Chandras 24599693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24609693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24619e2b5372SMarkos Chandras bool "SmartMIPS" 24629693a853SFranck Bui-Huu help 24639693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24649693a853SFranck Bui-Huu increased security at both hardware and software level for 24659693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24669693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24679693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24689693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24699693a853SFranck Bui-Huu here. 24709693a853SFranck Bui-Huu 2471bce86083SSteven J. Hillconfig CPU_MICROMIPS 24727fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24739e2b5372SMarkos Chandras bool "microMIPS" 2474bce86083SSteven J. Hill help 2475bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2476bce86083SSteven J. Hill microMIPS ISA 2477bce86083SSteven J. Hill 24789e2b5372SMarkos Chandrasendchoice 24799e2b5372SMarkos Chandras 2480a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24810ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2482a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2483c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 24842a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2485a5e9a69eSPaul Burton help 2486a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2487a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24881db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24891db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24901db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24911db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24921db1af84SPaul Burton the size & complexity of your kernel. 2493a5e9a69eSPaul Burton 2494a5e9a69eSPaul Burton If unsure, say Y. 2495a5e9a69eSPaul Burton 24961da177e4SLinus Torvaldsconfig CPU_HAS_WB 2497f7062ddbSRalf Baechle bool 2498e01402b1SRalf Baechle 2499df0ac8a4SKevin Cernekeeconfig XKS01 2500df0ac8a4SKevin Cernekee bool 2501df0ac8a4SKevin Cernekee 25028256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25038256b17eSFlorian Fainelli bool 25048256b17eSFlorian Fainelli 2505932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2506932afdeeSYasha Cherikovsky bool 2507932afdeeSYasha Cherikovsky help 2508932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2509932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2510932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2511932afdeeSYasha Cherikovsky 2512f41ae0b2SRalf Baechle# 2513f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2514f41ae0b2SRalf Baechle# 2515e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2516f41ae0b2SRalf Baechle bool 2517e01402b1SRalf Baechle 2518f41ae0b2SRalf Baechle# 2519f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2520f41ae0b2SRalf Baechle# 2521e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2522f41ae0b2SRalf Baechle bool 2523e01402b1SRalf Baechle 25241da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25251da177e4SLinus Torvalds bool 25261da177e4SLinus Torvalds depends on !CPU_R3000 25271da177e4SLinus Torvalds default y 25281da177e4SLinus Torvalds 25291da177e4SLinus Torvalds# 253020d60d99SMaciej W. Rozycki# CPU non-features 253120d60d99SMaciej W. Rozycki# 253220d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 253320d60d99SMaciej W. Rozycki bool 253420d60d99SMaciej W. Rozycki 253520d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 253620d60d99SMaciej W. Rozycki bool 253720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 253820d60d99SMaciej W. Rozycki 253920d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 254020d60d99SMaciej W. Rozycki bool 254120d60d99SMaciej W. Rozycki 25424edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25434edf00a4SPaul Burton int 25444edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25454edf00a4SPaul Burton default 0 25464edf00a4SPaul Burton 25474edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25484edf00a4SPaul Burton int 25492db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25504edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25514edf00a4SPaul Burton default 8 25524edf00a4SPaul Burton 25532db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25542db003a5SPaul Burton bool 25552db003a5SPaul Burton 25564a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25574a5dc51eSMarcin Nowakowski bool 25584a5dc51eSMarcin Nowakowski 255920d60d99SMaciej W. Rozycki# 25601da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25611da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25621da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25631da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25641da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25651da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25661da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25671da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2568797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2569797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2570797798c1SRalf Baechle# support. 25711da177e4SLinus Torvalds# 25721da177e4SLinus Torvaldsconfig HIGHMEM 25731da177e4SLinus Torvalds bool "High Memory Support" 2574a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2575797798c1SRalf Baechle 2576797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2577797798c1SRalf Baechle bool 2578797798c1SRalf Baechle 2579797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2580797798c1SRalf Baechle bool 25811da177e4SLinus Torvalds 25829693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25839693a853SFranck Bui-Huu bool 25849693a853SFranck Bui-Huu 2585a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2586a6a4834cSSteven J. Hill bool 2587a6a4834cSSteven J. Hill 2588377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2589377cb1b6SRalf Baechle bool 2590377cb1b6SRalf Baechle help 2591377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2592377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2593377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2594377cb1b6SRalf Baechle 2595a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2596a5e9a69eSPaul Burton bool 2597a5e9a69eSPaul Burton 2598b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2599b4819b59SYoichi Yuasa def_bool y 2600f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2601b4819b59SYoichi Yuasa 2602d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2603d8cb4e11SRalf Baechle bool 2604d8cb4e11SRalf Baechle default y if SGI_IP27 2605d8cb4e11SRalf Baechle help 26063dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2607d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2608d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2609ad56b738SMike Rapoport See <file:Documentation/vm/numa.rst> for more. 2610d8cb4e11SRalf Baechle 2611b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2612b1c6cd42SAtsushi Nemoto bool 26137de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 261431473747SAtsushi Nemoto 2615d8cb4e11SRalf Baechleconfig NUMA 2616d8cb4e11SRalf Baechle bool "NUMA Support" 2617d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2618d8cb4e11SRalf Baechle help 2619d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2620d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2621d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2622d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2623d8cb4e11SRalf Baechle disabled. 2624d8cb4e11SRalf Baechle 2625d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2626d8cb4e11SRalf Baechle bool 2627d8cb4e11SRalf Baechle 26288c530ea3SMatt Redfearnconfig RELOCATABLE 26298c530ea3SMatt Redfearn bool "Relocatable kernel" 26303ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26318c530ea3SMatt Redfearn help 26328c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26338c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26348c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26358c530ea3SMatt Redfearn but are discarded at runtime 26368c530ea3SMatt Redfearn 2637069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2638069fd766SMatt Redfearn hex "Relocation table size" 2639069fd766SMatt Redfearn depends on RELOCATABLE 2640069fd766SMatt Redfearn range 0x0 0x01000000 2641069fd766SMatt Redfearn default "0x00100000" 2642069fd766SMatt Redfearn ---help--- 2643069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2644069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2645069fd766SMatt Redfearn 2646069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2647069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2648069fd766SMatt Redfearn 2649069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2650069fd766SMatt Redfearn 2651069fd766SMatt Redfearn If unsure, leave at the default value. 2652069fd766SMatt Redfearn 2653405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2654405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2655405bc8fdSMatt Redfearn depends on RELOCATABLE 2656405bc8fdSMatt Redfearn ---help--- 2657405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2658405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2659405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2660405bc8fdSMatt Redfearn of kernel internals. 2661405bc8fdSMatt Redfearn 2662405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2663405bc8fdSMatt Redfearn 2664405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2665405bc8fdSMatt Redfearn 2666405bc8fdSMatt Redfearn If unsure, say N. 2667405bc8fdSMatt Redfearn 2668405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2669405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2670405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2671405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2672405bc8fdSMatt Redfearn range 0x0 0x08000000 2673405bc8fdSMatt Redfearn default "0x01000000" 2674405bc8fdSMatt Redfearn ---help--- 2675405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2676405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2677405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2678405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2679405bc8fdSMatt Redfearn 2680405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2681405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2682405bc8fdSMatt Redfearn 2683c80d79d7SYasunori Gotoconfig NODES_SHIFT 2684c80d79d7SYasunori Goto int 2685c80d79d7SYasunori Goto default "6" 2686c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2687c80d79d7SYasunori Goto 268814f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 268914f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 269023021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 269114f70012SDeng-Cheng Zhu default y 269214f70012SDeng-Cheng Zhu help 269314f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 269414f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 269514f70012SDeng-Cheng Zhu 26961da177e4SLinus Torvaldsconfig SMP 26971da177e4SLinus Torvalds bool "Multi-Processing support" 2698e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2699e73ea273SRalf Baechle help 27001da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27014a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27024a474157SRobert Graffham than one CPU, say Y. 27031da177e4SLinus Torvalds 27044a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27051da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27061da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27074a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27081da177e4SLinus Torvalds will run faster if you say N here. 27091da177e4SLinus Torvalds 27101da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27111da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27121da177e4SLinus Torvalds 271303502faaSAdrian Bunk See also the SMP-HOWTO available at 271403502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27151da177e4SLinus Torvalds 27161da177e4SLinus Torvalds If you don't know what to do here, say N. 27171da177e4SLinus Torvalds 27187840d618SMatt Redfearnconfig HOTPLUG_CPU 27197840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27207840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27217840d618SMatt Redfearn help 27227840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27237840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27247840d618SMatt Redfearn (Note: power management support will enable this option 27257840d618SMatt Redfearn automatically on SMP systems. ) 27267840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27277840d618SMatt Redfearn 272887353d8aSRalf Baechleconfig SMP_UP 272987353d8aSRalf Baechle bool 273087353d8aSRalf Baechle 27314a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27324a16ff4cSRalf Baechle bool 27334a16ff4cSRalf Baechle 27340ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27350ee958e1SPaul Burton bool 27360ee958e1SPaul Burton 2737e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2738e73ea273SRalf Baechle bool 2739e73ea273SRalf Baechle 2740130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2741130e2fb7SRalf Baechle bool 2742130e2fb7SRalf Baechle 2743130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2744130e2fb7SRalf Baechle bool 2745130e2fb7SRalf Baechle 2746130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2747130e2fb7SRalf Baechle bool 2748130e2fb7SRalf Baechle 2749130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2750130e2fb7SRalf Baechle bool 2751130e2fb7SRalf Baechle 2752130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2753130e2fb7SRalf Baechle bool 2754130e2fb7SRalf Baechle 27551da177e4SLinus Torvaldsconfig NR_CPUS 2756a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2757a91796a9SJayachandran C range 2 256 27581da177e4SLinus Torvalds depends on SMP 2759130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2760130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2761130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2762130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2763130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27641da177e4SLinus Torvalds help 27651da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27661da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27671da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 276872ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 276972ede9b1SAtsushi Nemoto and 2 for all others. 27701da177e4SLinus Torvalds 27711da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 277272ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 277372ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 277472ede9b1SAtsushi Nemoto power of two. 27751da177e4SLinus Torvalds 2776399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2777399aaa25SAl Cooper bool 2778399aaa25SAl Cooper 27797820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27807820b84bSDavid Daney bool 27817820b84bSDavid Daney 27827820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27837820b84bSDavid Daney int 27847820b84bSDavid Daney depends on SMP 27857820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 27867820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 27877820b84bSDavid Daney 27881723b4a3SAtsushi Nemoto# 27891723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 27901723b4a3SAtsushi Nemoto# 27911723b4a3SAtsushi Nemoto 27921723b4a3SAtsushi Nemotochoice 27931723b4a3SAtsushi Nemoto prompt "Timer frequency" 27941723b4a3SAtsushi Nemoto default HZ_250 27951723b4a3SAtsushi Nemoto help 27961723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 27971723b4a3SAtsushi Nemoto 279867596573SPaul Burton config HZ_24 279967596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 280067596573SPaul Burton 28011723b4a3SAtsushi Nemoto config HZ_48 28020f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28031723b4a3SAtsushi Nemoto 28041723b4a3SAtsushi Nemoto config HZ_100 28051723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28061723b4a3SAtsushi Nemoto 28071723b4a3SAtsushi Nemoto config HZ_128 28081723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28091723b4a3SAtsushi Nemoto 28101723b4a3SAtsushi Nemoto config HZ_250 28111723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28121723b4a3SAtsushi Nemoto 28131723b4a3SAtsushi Nemoto config HZ_256 28141723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28151723b4a3SAtsushi Nemoto 28161723b4a3SAtsushi Nemoto config HZ_1000 28171723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28181723b4a3SAtsushi Nemoto 28191723b4a3SAtsushi Nemoto config HZ_1024 28201723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28211723b4a3SAtsushi Nemoto 28221723b4a3SAtsushi Nemotoendchoice 28231723b4a3SAtsushi Nemoto 282467596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 282567596573SPaul Burton bool 282667596573SPaul Burton 28271723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28281723b4a3SAtsushi Nemoto bool 28291723b4a3SAtsushi Nemoto 28301723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28311723b4a3SAtsushi Nemoto bool 28321723b4a3SAtsushi Nemoto 28331723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28341723b4a3SAtsushi Nemoto bool 28351723b4a3SAtsushi Nemoto 28361723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 28371723b4a3SAtsushi Nemoto bool 28381723b4a3SAtsushi Nemoto 28391723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 28401723b4a3SAtsushi Nemoto bool 28411723b4a3SAtsushi Nemoto 28421723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 28431723b4a3SAtsushi Nemoto bool 28441723b4a3SAtsushi Nemoto 28451723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 28461723b4a3SAtsushi Nemoto bool 28471723b4a3SAtsushi Nemoto 28481723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 28491723b4a3SAtsushi Nemoto bool 285067596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 285167596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 285267596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 285367596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 285467596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 285567596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 285667596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28571723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28581723b4a3SAtsushi Nemoto 28591723b4a3SAtsushi Nemotoconfig HZ 28601723b4a3SAtsushi Nemoto int 286167596573SPaul Burton default 24 if HZ_24 28621723b4a3SAtsushi Nemoto default 48 if HZ_48 28631723b4a3SAtsushi Nemoto default 100 if HZ_100 28641723b4a3SAtsushi Nemoto default 128 if HZ_128 28651723b4a3SAtsushi Nemoto default 250 if HZ_250 28661723b4a3SAtsushi Nemoto default 256 if HZ_256 28671723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28681723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28691723b4a3SAtsushi Nemoto 287096685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 287196685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 287296685b17SDeng-Cheng Zhu 2873ea6e942bSAtsushi Nemotoconfig KEXEC 28747d60717eSKees Cook bool "Kexec system call" 28752965faa5SDave Young select KEXEC_CORE 2876ea6e942bSAtsushi Nemoto help 2877ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2878ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28793dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2880ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2881ea6e942bSAtsushi Nemoto 288201dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2883ea6e942bSAtsushi Nemoto 2884ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2885ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2886bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2887bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2888bf220695SGeert Uytterhoeven made. 2889ea6e942bSAtsushi Nemoto 28907aa1c8f4SRalf Baechleconfig CRASH_DUMP 28917aa1c8f4SRalf Baechle bool "Kernel crash dumps" 28927aa1c8f4SRalf Baechle help 28937aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 28947aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 28957aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 28967aa1c8f4SRalf Baechle a specially reserved region and then later executed after 28977aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 28987aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 28997aa1c8f4SRalf Baechle PHYSICAL_START. 29007aa1c8f4SRalf Baechle 29017aa1c8f4SRalf Baechleconfig PHYSICAL_START 29027aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29038bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29047aa1c8f4SRalf Baechle depends on CRASH_DUMP 29057aa1c8f4SRalf Baechle help 29067aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29077aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29087aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29097aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29107aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29117aa1c8f4SRalf Baechle 2912ea6e942bSAtsushi Nemotoconfig SECCOMP 2913ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2914293c5bd1SRalf Baechle depends on PROC_FS 2915ea6e942bSAtsushi Nemoto default y 2916ea6e942bSAtsushi Nemoto help 2917ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2918ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2919ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2920ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2921ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2922ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2923ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2924ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2925ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2926ea6e942bSAtsushi Nemoto 2927ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2928ea6e942bSAtsushi Nemoto 2929597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2930b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2931597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2932597ce172SPaul Burton help 2933597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2934597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2935597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2936597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2937597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2938597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2939597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2940597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2941597ce172SPaul Burton saying N here. 2942597ce172SPaul Burton 294306e2e882SPaul Burton Although binutils currently supports use of this flag the details 294406e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 294506e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 294606e2e882SPaul Burton behaviour before the details have been finalised, this option should 294706e2e882SPaul Burton be considered experimental and only enabled by those working upon 294806e2e882SPaul Burton said details. 294906e2e882SPaul Burton 295006e2e882SPaul Burton If unsure, say N. 2951597ce172SPaul Burton 2952f2ffa5abSDezhong Diaoconfig USE_OF 29530b3e06fdSJonas Gorski bool 2954f2ffa5abSDezhong Diao select OF 2955e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2956abd2363fSGrant Likely select IRQ_DOMAIN 2957f2ffa5abSDezhong Diao 29582fe8ea39SDengcheng Zhuconfig UHI_BOOT 29592fe8ea39SDengcheng Zhu bool 29602fe8ea39SDengcheng Zhu 29617fafb068SAndrew Brestickerconfig BUILTIN_DTB 29627fafb068SAndrew Bresticker bool 29637fafb068SAndrew Bresticker 29641da8f179SJonas Gorskichoice 29655b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29661da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29671da8f179SJonas Gorski 29681da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29691da8f179SJonas Gorski bool "None" 29701da8f179SJonas Gorski help 29711da8f179SJonas Gorski Do not enable appended dtb support. 29721da8f179SJonas Gorski 297387db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 297487db537dSAaro Koskinen bool "vmlinux" 297587db537dSAaro Koskinen help 297687db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 297787db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 297887db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 297987db537dSAaro Koskinen objcopy: 298087db537dSAaro Koskinen 298187db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 298287db537dSAaro Koskinen 298387db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 298487db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 298587db537dSAaro Koskinen the documented boot protocol using a device tree. 298687db537dSAaro Koskinen 29871da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2988b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29891da8f179SJonas Gorski help 29901da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2991b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 29921da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 29931da8f179SJonas Gorski 29941da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 29951da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 29961da8f179SJonas Gorski the documented boot protocol using a device tree. 29971da8f179SJonas Gorski 29981da8f179SJonas Gorski Beware that there is very little in terms of protection against 29991da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30001da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30011da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30021da8f179SJonas Gorski if you don't intend to always append a DTB. 30031da8f179SJonas Gorskiendchoice 30041da8f179SJonas Gorski 30052024972eSJonas Gorskichoice 30062024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30072bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30083f5f0a44SPaul Burton !MIPS_MALTA && \ 30092bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30102024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30112024972eSJonas Gorski 30122024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30132024972eSJonas Gorski depends on USE_OF 30142024972eSJonas Gorski bool "Dtb kernel arguments if available" 30152024972eSJonas Gorski 30162024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30172024972eSJonas Gorski depends on USE_OF 30182024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30192024972eSJonas Gorski 30202024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30212024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3022ed47e153SRabin Vincent 3023ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3024ed47e153SRabin Vincent depends on CMDLINE_BOOL 3025ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30262024972eSJonas Gorskiendchoice 30272024972eSJonas Gorski 30285e83d430SRalf Baechleendmenu 30295e83d430SRalf Baechle 30301df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30311df0f0ffSAtsushi Nemoto bool 30321df0f0ffSAtsushi Nemoto default y 30331df0f0ffSAtsushi Nemoto 30341df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30351df0f0ffSAtsushi Nemoto bool 30361df0f0ffSAtsushi Nemoto default y 30371df0f0ffSAtsushi Nemoto 3038e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 3039e1e16115SAaro Koskinen bool 3040e1e16115SAaro Koskinen default y 3041e1e16115SAaro Koskinen 3042a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3043a728ab52SKirill A. Shutemov int 30443377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3045a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3046a728ab52SKirill A. Shutemov default 2 3047a728ab52SKirill A. Shutemov 30486c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30496c359eb1SPaul Burton bool 30506c359eb1SPaul Burton 30511da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30521da177e4SLinus Torvalds 3053c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 30542eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3055c5611df9SPaul Burton bool 3056c5611df9SPaul Burton 3057c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3058c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3059c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 30602eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 30611da177e4SLinus Torvalds 30621da177e4SLinus Torvalds# 30631da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30641da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30651da177e4SLinus Torvalds# users to choose the right thing ... 30661da177e4SLinus Torvalds# 30671da177e4SLinus Torvaldsconfig ISA 30681da177e4SLinus Torvalds bool 30691da177e4SLinus Torvalds 30701da177e4SLinus Torvaldsconfig TC 30711da177e4SLinus Torvalds bool "TURBOchannel support" 30721da177e4SLinus Torvalds depends on MACH_DECSTATION 30731da177e4SLinus Torvalds help 307450a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 307550a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 307650a23e6eSJustin P. Mattock at: 307750a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 307850a23e6eSJustin P. Mattock and: 307950a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 308050a23e6eSJustin P. Mattock Linux driver support status is documented at: 308150a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30821da177e4SLinus Torvalds 30831da177e4SLinus Torvaldsconfig MMU 30841da177e4SLinus Torvalds bool 30851da177e4SLinus Torvalds default y 30861da177e4SLinus Torvalds 3087109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3088109c32ffSMatt Redfearn default 12 if 64BIT 3089109c32ffSMatt Redfearn default 8 3090109c32ffSMatt Redfearn 3091109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3092109c32ffSMatt Redfearn default 18 if 64BIT 3093109c32ffSMatt Redfearn default 15 3094109c32ffSMatt Redfearn 3095109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3096109c32ffSMatt Redfearn default 8 3097109c32ffSMatt Redfearn 3098109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3099109c32ffSMatt Redfearn default 15 3100109c32ffSMatt Redfearn 3101d865bea4SRalf Baechleconfig I8253 3102d865bea4SRalf Baechle bool 3103798778b8SRussell King select CLKSRC_I8253 31042d02612fSThomas Gleixner select CLKEVT_I8253 31059726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3106d865bea4SRalf Baechle 3107e05eb3f8SRalf Baechleconfig ZONE_DMA 3108e05eb3f8SRalf Baechle bool 3109e05eb3f8SRalf Baechle 3110cce335aeSRalf Baechleconfig ZONE_DMA32 3111cce335aeSRalf Baechle bool 3112cce335aeSRalf Baechle 31131da177e4SLinus Torvaldsendmenu 31141da177e4SLinus Torvalds 31151da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31161da177e4SLinus Torvalds bool 31171da177e4SLinus Torvalds 31181da177e4SLinus Torvaldsconfig MIPS32_COMPAT 311978aaf956SRalf Baechle bool 31201da177e4SLinus Torvalds 31211da177e4SLinus Torvaldsconfig COMPAT 31221da177e4SLinus Torvalds bool 31231da177e4SLinus Torvalds 312405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 312505e43966SAtsushi Nemoto bool 312605e43966SAtsushi Nemoto 31271da177e4SLinus Torvaldsconfig MIPS32_O32 31281da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 312978aaf956SRalf Baechle depends on 64BIT 313078aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 313178aaf956SRalf Baechle select COMPAT 313278aaf956SRalf Baechle select MIPS32_COMPAT 313378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31341da177e4SLinus Torvalds help 31351da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31361da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31371da177e4SLinus Torvalds existing binaries are in this format. 31381da177e4SLinus Torvalds 31391da177e4SLinus Torvalds If unsure, say Y. 31401da177e4SLinus Torvalds 31411da177e4SLinus Torvaldsconfig MIPS32_N32 31421da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3143c22eacfeSRalf Baechle depends on 64BIT 31445a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 314578aaf956SRalf Baechle select COMPAT 314678aaf956SRalf Baechle select MIPS32_COMPAT 314778aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31481da177e4SLinus Torvalds help 31491da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31501da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31511da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31521da177e4SLinus Torvalds cases. 31531da177e4SLinus Torvalds 31541da177e4SLinus Torvalds If unsure, say N. 31551da177e4SLinus Torvalds 31561da177e4SLinus Torvaldsconfig BINFMT_ELF32 31571da177e4SLinus Torvalds bool 31581da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3159f43edca7SRalf Baechle select ELFCORE 31601da177e4SLinus Torvalds 31612116245eSRalf Baechlemenu "Power management options" 3162952fa954SRodolfo Giometti 3163363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3164363c55caSWu Zhangjin def_bool y 31653f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3166363c55caSWu Zhangjin 3167f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3168f4cb5700SJohannes Berg def_bool y 31693f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3170f4cb5700SJohannes Berg 31712116245eSRalf Baechlesource "kernel/power/Kconfig" 3172952fa954SRodolfo Giometti 31731da177e4SLinus Torvaldsendmenu 31741da177e4SLinus Torvalds 31757a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31767a998935SViresh Kumar bool 31777a998935SViresh Kumar 31787a998935SViresh Kumarmenu "CPU Power Management" 3179c095ebafSPaul Burton 3180c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31817a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31827a998935SViresh Kumarendif 31839726b43aSWu Zhangjin 3184c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3185c095ebafSPaul Burton 3186c095ebafSPaul Burtonendmenu 3187c095ebafSPaul Burton 318898cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 318998cdee0eSRalf Baechle 31902235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3191