1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvaldsconfig MIPS 31da177e4SLinus Torvalds bool 41da177e4SLinus Torvalds default y 5ea6a3737SPaul Burton select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT 612597988SMatt Redfearn select ARCH_CLOCKSOURCE_DATA 712597988SMatt Redfearn select ARCH_DISCARD_MEMBLOCK 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 3712597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 38906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 3912597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 4088547001SJason Wessel select HAVE_ARCH_KGDB 41109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 42109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 43490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 44c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 4512597988SMatt Redfearn select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 46f381bf6dSDavid Daney select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS) 47f381bf6dSDavid Daney select HAVE_EBPF_JIT if (64BIT && !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 5612597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 5729c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 5812597988SMatt Redfearn select HAVE_FUNCTION_TRACER 5912597988SMatt Redfearn select HAVE_GENERIC_DMA_COHERENT 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 851da177e4SLinus Torvalds 861da177e4SLinus Torvaldsmenu "Machine selection" 871da177e4SLinus Torvalds 885e83d430SRalf Baechlechoice 895e83d430SRalf Baechle prompt "System type" 90d41e6858SMatt Redfearn default MIPS_GENERIC 911da177e4SLinus Torvalds 92eed0eabdSPaul Burtonconfig MIPS_GENERIC 93eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 94eed0eabdSPaul Burton select BOOT_RAW 95eed0eabdSPaul Burton select BUILTIN_DTB 96eed0eabdSPaul Burton select CEVT_R4K 97eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 98eed0eabdSPaul Burton select COMMON_CLK 99eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 100eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 101eed0eabdSPaul Burton select CSRC_R4K 102eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 103eb01d42aSChristoph Hellwig select HAVE_PCI 104eed0eabdSPaul Burton select IRQ_MIPS_CPU 105eed0eabdSPaul Burton select LIBFDT 1060211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 107eed0eabdSPaul Burton select MIPS_CPU_SCACHE 108eed0eabdSPaul Burton select MIPS_GIC 109eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 110eed0eabdSPaul Burton select NO_EXCEPT_FILL 111eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 112eed0eabdSPaul Burton select PINCTRL 113eed0eabdSPaul Burton select SMP_UP if SMP 114a3078e59SMatt Redfearn select SWAP_IO_SPACE 115eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 116eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 117eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 118eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 119eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 120eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 121eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 122eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 123eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 124eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 125eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 126eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 127eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 128eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 129eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 130eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 131eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1322e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1332e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1342e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1352e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1362e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1372e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 138eed0eabdSPaul Burton select USE_OF 1392fe8ea39SDengcheng Zhu select UHI_BOOT 140eed0eabdSPaul Burton help 141eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 142eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 143eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 144eed0eabdSPaul Burton Interface) specification. 145eed0eabdSPaul Burton 14642a4f17dSManuel Laussconfig MIPS_ALCHEMY 147c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 148d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 149f772cdb2SRalf Baechle select CEVT_R4K 150d7ea335cSSteven J. Hill select CSRC_R4K 15167e38cf2SRalf Baechle select IRQ_MIPS_CPU 15288e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 15342a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 15442a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 15542a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 156d30a2b47SLinus Walleij select GPIOLIB 1571b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 15847440229SManuel Lauss select COMMON_CLK 1591da177e4SLinus Torvalds 1607ca5dc14SFlorian Fainelliconfig AR7 1617ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1627ca5dc14SFlorian Fainelli select BOOT_ELF32 1637ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1647ca5dc14SFlorian Fainelli select CEVT_R4K 1657ca5dc14SFlorian Fainelli select CSRC_R4K 16667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1677ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1687ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1697ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1707ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1717ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1727ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 173377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1741b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 175d30a2b47SLinus Walleij select GPIOLIB 1767ca5dc14SFlorian Fainelli select VLYNQ 1778551fb64SYoichi Yuasa select HAVE_CLK 1787ca5dc14SFlorian Fainelli help 1797ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1807ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1817ca5dc14SFlorian Fainelli 18243cc739fSSergey Ryazanovconfig ATH25 18343cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 18443cc739fSSergey Ryazanov select CEVT_R4K 18543cc739fSSergey Ryazanov select CSRC_R4K 18643cc739fSSergey Ryazanov select DMA_NONCOHERENT 18767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1881753e74eSSergey Ryazanov select IRQ_DOMAIN 18943cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 19043cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 19143cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1928aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 19343cc739fSSergey Ryazanov help 19443cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 19543cc739fSSergey Ryazanov 196d4a67d9dSGabor Juhosconfig ATH79 197d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 198ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 199d4a67d9dSGabor Juhos select BOOT_RAW 200d4a67d9dSGabor Juhos select CEVT_R4K 201d4a67d9dSGabor Juhos select CSRC_R4K 202d4a67d9dSGabor Juhos select DMA_NONCOHERENT 203d30a2b47SLinus Walleij select GPIOLIB 204a08227a2SJohn Crispin select PINCTRL 20594638067SGabor Juhos select HAVE_CLK 206411520afSAlban Bedel select COMMON_CLK 2072c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 20867e38cf2SRalf Baechle select IRQ_MIPS_CPU 2090aabf1a4SGabor Juhos select MIPS_MACHINE 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 3885ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 38967e38cf2SRalf Baechle select IRQ_MIPS_CPU 39037b4c3caSPaul Cercueil select PINCTRL 391d30a2b47SLinus Walleij select GPIOLIB 392ff1930c6SPaul Burton select COMMON_CLK 39383bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 394ffb1843dSPaul Burton select BUILTIN_DTB 395ffb1843dSPaul Burton select USE_OF 3966ec127fbSPaul Burton select LIBFDT 3975ebabe59SLars-Peter Clausen 398171bb2f1SJohn Crispinconfig LANTIQ 399171bb2f1SJohn Crispin bool "Lantiq based platforms" 400171bb2f1SJohn Crispin select DMA_NONCOHERENT 40167e38cf2SRalf Baechle select IRQ_MIPS_CPU 402171bb2f1SJohn Crispin select CEVT_R4K 403171bb2f1SJohn Crispin select CSRC_R4K 404171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 405171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 406171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 407171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 408377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 409171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 410f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 411171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 412d30a2b47SLinus Walleij select GPIOLIB 413171bb2f1SJohn Crispin select SWAP_IO_SPACE 414171bb2f1SJohn Crispin select BOOT_RAW 415287e3f3fSJohn Crispin select CLKDEV_LOOKUP 416a0392222SJohn Crispin select USE_OF 4173f8c50c9SJohn Crispin select PINCTRL 4183f8c50c9SJohn Crispin select PINCTRL_LANTIQ 419c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 420c530781cSJohn Crispin select RESET_CONTROLLER 421171bb2f1SJohn Crispin 4221f21d2bdSBrian Murphyconfig LASAT 4231f21d2bdSBrian Murphy bool "LASAT Networks platforms" 42442f77542SRalf Baechle select CEVT_R4K 42516f0bbbcSRalf Baechle select CRC32 426940f6b48SRalf Baechle select CSRC_R4K 4271f21d2bdSBrian Murphy select DMA_NONCOHERENT 4281f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 429eb01d42aSChristoph Hellwig select HAVE_PCI 43067e38cf2SRalf Baechle select IRQ_MIPS_CPU 4311f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4321f21d2bdSBrian Murphy select MIPS_NILE4 4331f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4341f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4351f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4361f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4371f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4381f21d2bdSBrian Murphy 43930ad29bbSHuacai Chenconfig MACH_LOONGSON32 44030ad29bbSHuacai Chen bool "Loongson-1 family of machines" 441c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 442ade299d8SYoichi Yuasa help 44330ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 44485749d24SWu Zhangjin 44530ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 44630ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 44730ad29bbSHuacai Chen Sciences (CAS). 448ade299d8SYoichi Yuasa 44930ad29bbSHuacai Chenconfig MACH_LOONGSON64 45030ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 451ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 452ca585cf9SKelvin Cheung help 45330ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 454ca585cf9SKelvin Cheung 45530ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 45630ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 45730ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 45830ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 45930ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 46030ad29bbSHuacai Chen Weiwu Hu. 461ca585cf9SKelvin Cheung 4626a438309SAndrew Brestickerconfig MACH_PISTACHIO 4636a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4646a438309SAndrew Bresticker select BOOT_ELF32 4656a438309SAndrew Bresticker select BOOT_RAW 4666a438309SAndrew Bresticker select CEVT_R4K 4676a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4686a438309SAndrew Bresticker select COMMON_CLK 4696a438309SAndrew Bresticker select CSRC_R4K 470645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 471d30a2b47SLinus Walleij select GPIOLIB 47267e38cf2SRalf Baechle select IRQ_MIPS_CPU 4736a438309SAndrew Bresticker select LIBFDT 4746a438309SAndrew Bresticker select MFD_SYSCON 4756a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4766a438309SAndrew Bresticker select MIPS_GIC 4776a438309SAndrew Bresticker select PINCTRL 4786a438309SAndrew Bresticker select REGULATOR 4796a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4806a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4816a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4826a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4836a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 48441cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4856a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 486018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 487018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4886a438309SAndrew Bresticker select USE_OF 4896a438309SAndrew Bresticker help 4906a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4916a438309SAndrew Bresticker 4921da177e4SLinus Torvaldsconfig MIPS_MALTA 4933fa986faSMartin Michlmayr bool "MIPS Malta board" 49461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 495a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4967a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4971da177e4SLinus Torvalds select BOOT_ELF32 498fa71c960SRalf Baechle select BOOT_RAW 499e8823d26SPaul Burton select BUILTIN_DTB 50042f77542SRalf Baechle select CEVT_R4K 501fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50242b002abSGuenter Roeck select COMMON_CLK 50347bf2b03SMaksym Kokhan select CSRC_R4K 504885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5051da177e4SLinus Torvalds select GENERIC_ISA_DMA 5068a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 507eb01d42aSChristoph Hellwig select HAVE_PCI 508d865bea4SRalf Baechle select I8253 5091da177e4SLinus Torvalds select I8259 51047bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 51147bf2b03SMaksym Kokhan select LIBFDT 5125e83d430SRalf Baechle select MIPS_BONITO64 5139318c51aSChris Dearman select MIPS_CPU_SCACHE 51447bf2b03SMaksym Kokhan select MIPS_GIC 515a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5165e83d430SRalf Baechle select MIPS_MSC 51747bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 518ecafe3e9SPaul Burton select SMP_UP if SMP 5191da177e4SLinus Torvalds select SWAP_IO_SPACE 5207cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5217cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 522bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 523c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 524575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5257cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5265d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 527575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5287cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5297cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 530ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 531ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5325e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 533c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5345e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 535424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 53647bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5370365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 538e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 539f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 54047bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5419693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 542f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5431b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 544e8823d26SPaul Burton select USE_OF 545abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5461da177e4SLinus Torvalds help 547f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5481da177e4SLinus Torvalds board. 5491da177e4SLinus Torvalds 5502572f00dSJoshua Hendersonconfig MACH_PIC32 5512572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5522572f00dSJoshua Henderson help 5532572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5542572f00dSJoshua Henderson 5552572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5562572f00dSJoshua Henderson microcontrollers. 5572572f00dSJoshua Henderson 558a83860c2SRalf Baechleconfig NEC_MARKEINS 559a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 560a83860c2SRalf Baechle select SOC_EMMA2RH 561eb01d42aSChristoph Hellwig select HAVE_PCI 562a83860c2SRalf Baechle help 563a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 564ade299d8SYoichi Yuasa 5655e83d430SRalf Baechleconfig MACH_VR41XX 56674142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 56742f77542SRalf Baechle select CEVT_R4K 568940f6b48SRalf Baechle select CSRC_R4K 5697cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 570377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 571d30a2b47SLinus Walleij select GPIOLIB 5725e83d430SRalf Baechle 573edb6310aSDaniel Lairdconfig NXP_STB220 574edb6310aSDaniel Laird bool "NXP STB220 board" 575edb6310aSDaniel Laird select SOC_PNX833X 576edb6310aSDaniel Laird help 577edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 578edb6310aSDaniel Laird 579edb6310aSDaniel Lairdconfig NXP_STB225 580edb6310aSDaniel Laird bool "NXP 225 board" 581edb6310aSDaniel Laird select SOC_PNX833X 582edb6310aSDaniel Laird select SOC_PNX8335 583edb6310aSDaniel Laird help 584edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 585edb6310aSDaniel Laird 5869267a30dSMarc St-Jeanconfig PMC_MSP 5879267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 58839d30c13SAnoop P A select CEVT_R4K 58939d30c13SAnoop P A select CSRC_R4K 5909267a30dSMarc St-Jean select DMA_NONCOHERENT 5919267a30dSMarc St-Jean select SWAP_IO_SPACE 5929267a30dSMarc St-Jean select NO_EXCEPT_FILL 5939267a30dSMarc St-Jean select BOOT_RAW 5949267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5959267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5969267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5979267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 598377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 59967e38cf2SRalf Baechle select IRQ_MIPS_CPU 6009267a30dSMarc St-Jean select SERIAL_8250 6019267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6029296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6039296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6049267a30dSMarc St-Jean help 6059267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6069267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6079267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6089267a30dSMarc St-Jean a variety of MIPS cores. 6099267a30dSMarc St-Jean 610ae2b5bb6SJohn Crispinconfig RALINK 611ae2b5bb6SJohn Crispin bool "Ralink based machines" 612ae2b5bb6SJohn Crispin select CEVT_R4K 613ae2b5bb6SJohn Crispin select CSRC_R4K 614ae2b5bb6SJohn Crispin select BOOT_RAW 615ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61667e38cf2SRalf Baechle select IRQ_MIPS_CPU 617ae2b5bb6SJohn Crispin select USE_OF 618ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 619ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 620ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 621ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 622377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 623ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 624ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6252a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6262a153f1cSJohn Crispin select RESET_CONTROLLER 627ae2b5bb6SJohn Crispin 6281da177e4SLinus Torvaldsconfig SGI_IP22 6293fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6300e2794b0SRalf Baechle select FW_ARC 6310e2794b0SRalf Baechle select FW_ARC32 6327a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6331da177e4SLinus Torvalds select BOOT_ELF32 63442f77542SRalf Baechle select CEVT_R4K 635940f6b48SRalf Baechle select CSRC_R4K 636e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6371da177e4SLinus Torvalds select DMA_NONCOHERENT 6386630a8e5SChristoph Hellwig select HAVE_EISA 639d865bea4SRalf Baechle select I8253 64068de4803SThomas Bogendoerfer select I8259 6411da177e4SLinus Torvalds select IP22_CPU_SCACHE 64267e38cf2SRalf Baechle select IRQ_MIPS_CPU 643aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 644e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 645e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 64636e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 647e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 648e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 649e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6501da177e4SLinus Torvalds select SWAP_IO_SPACE 6517cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6527cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6532b5e63f6SMartin Michlmayr # 6542b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6552b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6562b5e63f6SMartin Michlmayr # 6572b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6582b5e63f6SMartin Michlmayr # for a more details discussion 6592b5e63f6SMartin Michlmayr # 6602b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 661ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 662ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6635e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 664930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6651da177e4SLinus Torvalds help 6661da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6671da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6681da177e4SLinus Torvalds that runs on these, say Y here. 6691da177e4SLinus Torvalds 6701da177e4SLinus Torvaldsconfig SGI_IP27 6713fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 67254aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 6730e2794b0SRalf Baechle select FW_ARC 6740e2794b0SRalf Baechle select FW_ARC64 6755e83d430SRalf Baechle select BOOT_ELF64 676e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 67736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 678eb01d42aSChristoph Hellwig select HAVE_PCI 679130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6807cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 681ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6825e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 683d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6841a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 685930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6861da177e4SLinus Torvalds help 6871da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6881da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6891da177e4SLinus Torvalds here. 6901da177e4SLinus Torvalds 691e2defae5SThomas Bogendoerferconfig SGI_IP28 6927d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6930e2794b0SRalf Baechle select FW_ARC 6940e2794b0SRalf Baechle select FW_ARC64 6957a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 696e2defae5SThomas Bogendoerfer select BOOT_ELF64 697e2defae5SThomas Bogendoerfer select CEVT_R4K 698e2defae5SThomas Bogendoerfer select CSRC_R4K 699e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 700e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 701e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 70267e38cf2SRalf Baechle select IRQ_MIPS_CPU 7036630a8e5SChristoph Hellwig select HAVE_EISA 704e2defae5SThomas Bogendoerfer select I8253 705e2defae5SThomas Bogendoerfer select I8259 706e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 707e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7085b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 709e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 710e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 711e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 712e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 713e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7142b5e63f6SMartin Michlmayr # 7152b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7162b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7172b5e63f6SMartin Michlmayr # 7182b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7192b5e63f6SMartin Michlmayr # for a more details discussion 7202b5e63f6SMartin Michlmayr # 7212b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 722e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 723e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 724dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 725e2defae5SThomas Bogendoerfer help 726e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 727e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 728e2defae5SThomas Bogendoerfer 7291da177e4SLinus Torvaldsconfig SGI_IP32 730cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 73103df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7320e2794b0SRalf Baechle select FW_ARC 7330e2794b0SRalf Baechle select FW_ARC32 7341da177e4SLinus Torvalds select BOOT_ELF32 73542f77542SRalf Baechle select CEVT_R4K 736940f6b48SRalf Baechle select CSRC_R4K 7371da177e4SLinus Torvalds select DMA_NONCOHERENT 738eb01d42aSChristoph Hellwig select HAVE_PCI 73967e38cf2SRalf Baechle select IRQ_MIPS_CPU 7401da177e4SLinus Torvalds select R5000_CPU_SCACHE 7411da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7427cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7437cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7447cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 745dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 746ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7475e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7481da177e4SLinus Torvalds help 7491da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7501da177e4SLinus Torvalds 751ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 752ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7535e83d430SRalf Baechle select BOOT_ELF32 7545e83d430SRalf Baechle select SIBYTE_BCM1120 7555e83d430SRalf Baechle select SWAP_IO_SPACE 7567cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7575e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7585e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7595e83d430SRalf Baechle 760ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 761ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7625e83d430SRalf Baechle select BOOT_ELF32 7635e83d430SRalf Baechle select SIBYTE_BCM1120 7645e83d430SRalf Baechle select SWAP_IO_SPACE 7657cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7665e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7675e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7685e83d430SRalf Baechle 7695e83d430SRalf Baechleconfig SIBYTE_CRHONE 7703fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7715e83d430SRalf Baechle select BOOT_ELF32 7725e83d430SRalf Baechle select SIBYTE_BCM1125 7735e83d430SRalf Baechle select SWAP_IO_SPACE 7747cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7755e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7765e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7775e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7785e83d430SRalf Baechle 779ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 780ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 781ade299d8SYoichi Yuasa select BOOT_ELF32 782ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 783ade299d8SYoichi Yuasa select SWAP_IO_SPACE 784ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 785ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 786ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 787ade299d8SYoichi Yuasa 788ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 789ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 790ade299d8SYoichi Yuasa select BOOT_ELF32 791fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 792ade299d8SYoichi Yuasa select SIBYTE_SB1250 793ade299d8SYoichi Yuasa select SWAP_IO_SPACE 794ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 795ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 796ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 797ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 798cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 799e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 800ade299d8SYoichi Yuasa 801ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 802ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 803ade299d8SYoichi Yuasa select BOOT_ELF32 804fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 805ade299d8SYoichi Yuasa select SIBYTE_SB1250 806ade299d8SYoichi Yuasa select SWAP_IO_SPACE 807ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 808ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 809ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 810ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 811756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 812ade299d8SYoichi Yuasa 813ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 814ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 815ade299d8SYoichi Yuasa select BOOT_ELF32 816ade299d8SYoichi Yuasa select SIBYTE_SB1250 817ade299d8SYoichi Yuasa select SWAP_IO_SPACE 818ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 819ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 820ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 821e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 822ade299d8SYoichi Yuasa 823ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 824ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 825ade299d8SYoichi Yuasa select BOOT_ELF32 826ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 827ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 828ade299d8SYoichi Yuasa select SWAP_IO_SPACE 829ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 830ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 831651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 832ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 833cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 834e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 835ade299d8SYoichi Yuasa 83614b36af4SThomas Bogendoerferconfig SNI_RM 83714b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8380e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8390e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 840aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8415e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 842a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8437a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8445e83d430SRalf Baechle select BOOT_ELF32 84542f77542SRalf Baechle select CEVT_R4K 846940f6b48SRalf Baechle select CSRC_R4K 847e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8485e83d430SRalf Baechle select DMA_NONCOHERENT 8495e83d430SRalf Baechle select GENERIC_ISA_DMA 8506630a8e5SChristoph Hellwig select HAVE_EISA 8518a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 852eb01d42aSChristoph Hellwig select HAVE_PCI 85367e38cf2SRalf Baechle select IRQ_MIPS_CPU 854d865bea4SRalf Baechle select I8253 8555e83d430SRalf Baechle select I8259 8565e83d430SRalf Baechle select ISA 8574a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8587cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8594a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 860c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8614a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 86236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 863ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8647d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8654a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8665e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8675e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8681da177e4SLinus Torvalds help 86914b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 87014b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8715e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8725e83d430SRalf Baechle support this machine type. 8731da177e4SLinus Torvalds 874edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 875edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8765e83d430SRalf Baechle 877edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 878edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 87923fbee9dSRalf Baechle 88073b4390fSRalf Baechleconfig MIKROTIK_RB532 88173b4390fSRalf Baechle bool "Mikrotik RB532 boards" 88273b4390fSRalf Baechle select CEVT_R4K 88373b4390fSRalf Baechle select CSRC_R4K 88473b4390fSRalf Baechle select DMA_NONCOHERENT 885eb01d42aSChristoph Hellwig select HAVE_PCI 88667e38cf2SRalf Baechle select IRQ_MIPS_CPU 88773b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 88873b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 88973b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 89073b4390fSRalf Baechle select SWAP_IO_SPACE 89173b4390fSRalf Baechle select BOOT_RAW 892d30a2b47SLinus Walleij select GPIOLIB 893930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 89473b4390fSRalf Baechle help 89573b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 89673b4390fSRalf Baechle based on the IDT RC32434 SoC. 89773b4390fSRalf Baechle 8989ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8999ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 900a86c7f72SDavid Daney select CEVT_R4K 901ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9021753d50cSChristoph Hellwig select HAVE_RAPIDIO 903d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 904a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 905a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 906f65aad41SRalf Baechle select EDAC_SUPPORT 907b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 90873569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 90973569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 910a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9115e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 912eb01d42aSChristoph Hellwig select HAVE_PCI 913f00e001eSDavid Daney select ZONE_DMA32 914465aaed0SDavid Daney select HOLES_IN_ZONE 915d30a2b47SLinus Walleij select GPIOLIB 9166e511163SDavid Daney select LIBFDT 9176e511163SDavid Daney select USE_OF 9186e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9196e511163SDavid Daney select SYS_SUPPORTS_SMP 9207820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9217820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 922e326479fSAndrew Bresticker select BUILTIN_DTB 9238c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 92409230cbcSChristoph Hellwig select SWIOTLB 9253ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 926a86c7f72SDavid Daney help 927a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 928a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 929a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 930a86c7f72SDavid Daney Some of the supported boards are: 931a86c7f72SDavid Daney EBT3000 932a86c7f72SDavid Daney EBH3000 933a86c7f72SDavid Daney EBH3100 934a86c7f72SDavid Daney Thunder 935a86c7f72SDavid Daney Kodama 936a86c7f72SDavid Daney Hikari 937a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 938a86c7f72SDavid Daney 9397f058e85SJayachandran Cconfig NLM_XLR_BOARD 9407f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9417f058e85SJayachandran C select BOOT_ELF32 9427f058e85SJayachandran C select NLM_COMMON 9437f058e85SJayachandran C select SYS_HAS_CPU_XLR 9447f058e85SJayachandran C select SYS_SUPPORTS_SMP 945eb01d42aSChristoph Hellwig select HAVE_PCI 9467f058e85SJayachandran C select SWAP_IO_SPACE 9477f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9487f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 949d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9507f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9517f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9527f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9537f058e85SJayachandran C select CEVT_R4K 9547f058e85SJayachandran C select CSRC_R4K 95567e38cf2SRalf Baechle select IRQ_MIPS_CPU 956b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9577f058e85SJayachandran C select SYNC_R4K 9587f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9598f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9608f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9617f058e85SJayachandran C help 9627f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9637f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9647f058e85SJayachandran C 9651c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9661c773ea4SJayachandran C bool "Netlogic XLP based systems" 9671c773ea4SJayachandran C select BOOT_ELF32 9681c773ea4SJayachandran C select NLM_COMMON 9691c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9701c773ea4SJayachandran C select SYS_SUPPORTS_SMP 971eb01d42aSChristoph Hellwig select HAVE_PCI 9721c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9731c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 974d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 975d30a2b47SLinus Walleij select GPIOLIB 9761c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9771c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9781c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9791c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9801c773ea4SJayachandran C select CEVT_R4K 9811c773ea4SJayachandran C select CSRC_R4K 98267e38cf2SRalf Baechle select IRQ_MIPS_CPU 983b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9841c773ea4SJayachandran C select SYNC_R4K 9851c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9862f6528e1SJayachandran C select USE_OF 9878f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9888f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9891c773ea4SJayachandran C help 9901c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9911c773ea4SJayachandran C Say Y here if you have a XLP based board. 9921c773ea4SJayachandran C 9939bc463beSDavid Daneyconfig MIPS_PARAVIRT 9949bc463beSDavid Daney bool "Para-Virtualized guest system" 9959bc463beSDavid Daney select CEVT_R4K 9969bc463beSDavid Daney select CSRC_R4K 9979bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9989bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9999bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10009bc463beSDavid Daney select SYS_SUPPORTS_SMP 10019bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10029bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10039bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10049bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10059bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1006eb01d42aSChristoph Hellwig select HAVE_PCI 10079bc463beSDavid Daney select SWAP_IO_SPACE 10089bc463beSDavid Daney help 10099bc463beSDavid Daney This option supports guest running under ???? 10109bc463beSDavid Daney 10111da177e4SLinus Torvaldsendchoice 10121da177e4SLinus Torvalds 1013e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10143b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1015d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1016a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1017e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10188945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1019eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10205e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10215ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10228ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10231f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10242572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1025af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10260f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1027ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 102829c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 102938b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 103022b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10315e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1032a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 103330ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 103430ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10357f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1036ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 103738b18f72SRalf Baechle 10385e83d430SRalf Baechleendmenu 10395e83d430SRalf Baechle 10401da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10411da177e4SLinus Torvalds bool 10421da177e4SLinus Torvalds default y 10431da177e4SLinus Torvalds 10441da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10451da177e4SLinus Torvalds bool 10461da177e4SLinus Torvalds 10473c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10483c9ee7efSAkinobu Mita bool 10493c9ee7efSAkinobu Mita default y 10503c9ee7efSAkinobu Mita 10511da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10521da177e4SLinus Torvalds bool 10531da177e4SLinus Torvalds default y 10541da177e4SLinus Torvalds 1055ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10561cc89038SAtsushi Nemoto bool 10571cc89038SAtsushi Nemoto default y 10581cc89038SAtsushi Nemoto 10591da177e4SLinus Torvalds# 10601da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10611da177e4SLinus Torvalds# 10620e2794b0SRalf Baechleconfig FW_ARC 10631da177e4SLinus Torvalds bool 10641da177e4SLinus Torvalds 106561ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106661ed242dSRalf Baechle bool 106761ed242dSRalf Baechle 10689267a30dSMarc St-Jeanconfig BOOT_RAW 10699267a30dSMarc St-Jean bool 10709267a30dSMarc St-Jean 1071217dd11eSRalf Baechleconfig CEVT_BCM1480 1072217dd11eSRalf Baechle bool 1073217dd11eSRalf Baechle 10746457d9fcSYoichi Yuasaconfig CEVT_DS1287 10756457d9fcSYoichi Yuasa bool 10766457d9fcSYoichi Yuasa 10771097c6acSYoichi Yuasaconfig CEVT_GT641XX 10781097c6acSYoichi Yuasa bool 10791097c6acSYoichi Yuasa 108042f77542SRalf Baechleconfig CEVT_R4K 108142f77542SRalf Baechle bool 108242f77542SRalf Baechle 1083217dd11eSRalf Baechleconfig CEVT_SB1250 1084217dd11eSRalf Baechle bool 1085217dd11eSRalf Baechle 1086229f773eSAtsushi Nemotoconfig CEVT_TXX9 1087229f773eSAtsushi Nemoto bool 1088229f773eSAtsushi Nemoto 1089217dd11eSRalf Baechleconfig CSRC_BCM1480 1090217dd11eSRalf Baechle bool 1091217dd11eSRalf Baechle 10924247417dSYoichi Yuasaconfig CSRC_IOASIC 10934247417dSYoichi Yuasa bool 10944247417dSYoichi Yuasa 1095940f6b48SRalf Baechleconfig CSRC_R4K 1096940f6b48SRalf Baechle bool 1097940f6b48SRalf Baechle 1098217dd11eSRalf Baechleconfig CSRC_SB1250 1099217dd11eSRalf Baechle bool 1100217dd11eSRalf Baechle 1101a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1102a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1103a7f4df4eSAlex Smith 1104a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1105d30a2b47SLinus Walleij select GPIOLIB 1106a9aec7feSAtsushi Nemoto bool 1107a9aec7feSAtsushi Nemoto 11080e2794b0SRalf Baechleconfig FW_CFE 1109df78b5c8SAurelien Jarno bool 1110df78b5c8SAurelien Jarno 111140e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 111240e084a5SRalf Baechle bool 111340e084a5SRalf Baechle 1114885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1115f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1116885014bcSFelix Fietkau select DMA_NONCOHERENT 1117885014bcSFelix Fietkau bool 1118885014bcSFelix Fietkau 111920d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 112020d33064SPaul Burton bool 11215748e1b3SChristoph Hellwig select DMA_NONCOHERENT 112220d33064SPaul Burton 11231da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11241da177e4SLinus Torvalds bool 112558b04406SChristoph Hellwig select ARCH_HAS_DMA_MMAP_PGPROT 1126f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1127f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU 1128e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 112958b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1130f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11314ce588cdSRalf Baechle 113236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11331da177e4SLinus Torvalds bool 11341da177e4SLinus Torvalds 11351b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1136dbb74540SRalf Baechle bool 1137dbb74540SRalf Baechle 11381da177e4SLinus Torvaldsconfig MIPS_BONITO64 11391da177e4SLinus Torvalds bool 11401da177e4SLinus Torvalds 11411da177e4SLinus Torvaldsconfig MIPS_MSC 11421da177e4SLinus Torvalds bool 11431da177e4SLinus Torvalds 11441f21d2bdSBrian Murphyconfig MIPS_NILE4 11451f21d2bdSBrian Murphy bool 11461f21d2bdSBrian Murphy 114739b8d525SRalf Baechleconfig SYNC_R4K 114839b8d525SRalf Baechle bool 114939b8d525SRalf Baechle 1150487d70d0SGabor Juhosconfig MIPS_MACHINE 1151487d70d0SGabor Juhos def_bool n 1152487d70d0SGabor Juhos 1153ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1154d388d685SMaciej W. Rozycki def_bool n 1155d388d685SMaciej W. Rozycki 11564e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11574e0748f5SMarkos Chandras bool 1158932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 11594e0748f5SMarkos Chandras 11608313da30SRalf Baechleconfig GENERIC_ISA_DMA 11618313da30SRalf Baechle bool 11628313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1163a35bee8aSNamhyung Kim select ISA_DMA_API 11648313da30SRalf Baechle 1165aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1166aa414dffSRalf Baechle bool 11678313da30SRalf Baechle select GENERIC_ISA_DMA 1168aa414dffSRalf Baechle 1169a35bee8aSNamhyung Kimconfig ISA_DMA_API 1170a35bee8aSNamhyung Kim bool 1171a35bee8aSNamhyung Kim 1172465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1173465aaed0SDavid Daney bool 1174465aaed0SDavid Daney 11758c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11768c530ea3SMatt Redfearn bool 11778c530ea3SMatt Redfearn help 11788c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11798c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11808c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11818c530ea3SMatt Redfearn 1182f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1183f381bf6dSDavid Daney def_bool y 1184f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1185f381bf6dSDavid Daney 1186f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1187f381bf6dSDavid Daney def_bool y 1188f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1189f381bf6dSDavid Daney 1190f381bf6dSDavid Daney 11915e83d430SRalf Baechle# 11926b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11935e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11945e83d430SRalf Baechle# choice statement should be more obvious to the user. 11955e83d430SRalf Baechle# 11965e83d430SRalf Baechlechoice 11976b2aac42SMasanari Iida prompt "Endianness selection" 11981da177e4SLinus Torvalds help 11991da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12005e83d430SRalf Baechle byte order. These modes require different kernels and a different 12013cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12025e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12033dde6ad8SDavid Sterba one or the other endianness. 12045e83d430SRalf Baechle 12055e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12065e83d430SRalf Baechle bool "Big endian" 12075e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12085e83d430SRalf Baechle 12095e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12105e83d430SRalf Baechle bool "Little endian" 12115e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12125e83d430SRalf Baechle 12135e83d430SRalf Baechleendchoice 12145e83d430SRalf Baechle 121522b0763aSDavid Daneyconfig EXPORT_UASM 121622b0763aSDavid Daney bool 121722b0763aSDavid Daney 12182116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12192116245eSRalf Baechle bool 12202116245eSRalf Baechle 12215e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12225e83d430SRalf Baechle bool 12235e83d430SRalf Baechle 12245e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12255e83d430SRalf Baechle bool 12261da177e4SLinus Torvalds 12279cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12289cffd154SDavid Daney bool 12299cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12309cffd154SDavid Daney default y 12319cffd154SDavid Daney 1232aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1233aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1234aa1762f4SDavid Daney 12351da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12361da177e4SLinus Torvalds bool 12371da177e4SLinus Torvalds 12389267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12399267a30dSMarc St-Jean bool 12409267a30dSMarc St-Jean 12419267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12429267a30dSMarc St-Jean bool 12439267a30dSMarc St-Jean 12448420fd00SAtsushi Nemotoconfig IRQ_TXX9 12458420fd00SAtsushi Nemoto bool 12468420fd00SAtsushi Nemoto 1247d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1248d5ab1a69SYoichi Yuasa bool 1249d5ab1a69SYoichi Yuasa 1250252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12511da177e4SLinus Torvalds bool 12521da177e4SLinus Torvalds 12539267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12549267a30dSMarc St-Jean bool 12559267a30dSMarc St-Jean 1256a83860c2SRalf Baechleconfig SOC_EMMA2RH 1257a83860c2SRalf Baechle bool 1258a83860c2SRalf Baechle select CEVT_R4K 1259a83860c2SRalf Baechle select CSRC_R4K 1260a83860c2SRalf Baechle select DMA_NONCOHERENT 126167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1262a83860c2SRalf Baechle select SWAP_IO_SPACE 1263a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1264a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1265a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1266a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1267a83860c2SRalf Baechle 1268edb6310aSDaniel Lairdconfig SOC_PNX833X 1269edb6310aSDaniel Laird bool 1270edb6310aSDaniel Laird select CEVT_R4K 1271edb6310aSDaniel Laird select CSRC_R4K 127267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1273edb6310aSDaniel Laird select DMA_NONCOHERENT 1274edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1275edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1276edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1277edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1278377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1279edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1280edb6310aSDaniel Laird 1281edb6310aSDaniel Lairdconfig SOC_PNX8335 1282edb6310aSDaniel Laird bool 1283edb6310aSDaniel Laird select SOC_PNX833X 1284edb6310aSDaniel Laird 1285a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1286a7e07b1aSMarkos Chandras bool 1287a7e07b1aSMarkos Chandras 12881da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12891da177e4SLinus Torvalds bool 12901da177e4SLinus Torvalds 1291e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1292e2defae5SThomas Bogendoerfer bool 1293e2defae5SThomas Bogendoerfer 12945b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12955b438c44SThomas Bogendoerfer bool 12965b438c44SThomas Bogendoerfer 1297e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1298e2defae5SThomas Bogendoerfer bool 1299e2defae5SThomas Bogendoerfer 1300e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1301e2defae5SThomas Bogendoerfer bool 1302e2defae5SThomas Bogendoerfer 1303e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1304e2defae5SThomas Bogendoerfer bool 1305e2defae5SThomas Bogendoerfer 1306e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1307e2defae5SThomas Bogendoerfer bool 1308e2defae5SThomas Bogendoerfer 1309e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1310e2defae5SThomas Bogendoerfer bool 1311e2defae5SThomas Bogendoerfer 13120e2794b0SRalf Baechleconfig FW_ARC32 13135e83d430SRalf Baechle bool 13145e83d430SRalf Baechle 1315aaa9fad3SPaul Bolleconfig FW_SNIPROM 1316231a35d3SThomas Bogendoerfer bool 1317231a35d3SThomas Bogendoerfer 13181da177e4SLinus Torvaldsconfig BOOT_ELF32 13191da177e4SLinus Torvalds bool 13201da177e4SLinus Torvalds 1321930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1322930beb5aSFlorian Fainelli bool 1323930beb5aSFlorian Fainelli 1324930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1325930beb5aSFlorian Fainelli bool 1326930beb5aSFlorian Fainelli 1327930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1328930beb5aSFlorian Fainelli bool 1329930beb5aSFlorian Fainelli 1330930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1331930beb5aSFlorian Fainelli bool 1332930beb5aSFlorian Fainelli 13331da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13341da177e4SLinus Torvalds int 1335a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13365432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13375432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13385432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13391da177e4SLinus Torvalds default "5" 13401da177e4SLinus Torvalds 13411da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13421da177e4SLinus Torvalds bool 13431da177e4SLinus Torvalds 13441da177e4SLinus Torvaldsconfig ARC_CONSOLE 13451da177e4SLinus Torvalds bool "ARC console support" 1346e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13471da177e4SLinus Torvalds 13481da177e4SLinus Torvaldsconfig ARC_MEMORY 13491da177e4SLinus Torvalds bool 135014b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13511da177e4SLinus Torvalds default y 13521da177e4SLinus Torvalds 13531da177e4SLinus Torvaldsconfig ARC_PROMLIB 13541da177e4SLinus Torvalds bool 1355e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13561da177e4SLinus Torvalds default y 13571da177e4SLinus Torvalds 13580e2794b0SRalf Baechleconfig FW_ARC64 13591da177e4SLinus Torvalds bool 13601da177e4SLinus Torvalds 13611da177e4SLinus Torvaldsconfig BOOT_ELF64 13621da177e4SLinus Torvalds bool 13631da177e4SLinus Torvalds 13641da177e4SLinus Torvaldsmenu "CPU selection" 13651da177e4SLinus Torvalds 13661da177e4SLinus Torvaldschoice 13671da177e4SLinus Torvalds prompt "CPU type" 13681da177e4SLinus Torvalds default CPU_R4X00 13691da177e4SLinus Torvalds 13700e476d91SHuacai Chenconfig CPU_LOONGSON3 13710e476d91SHuacai Chen bool "Loongson 3 CPU" 13720e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 1373d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 13740e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13750e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13760e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 1377932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 13780e476d91SHuacai Chen select WEAK_ORDERING 13790e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1380b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 138117c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1382d30a2b47SLinus Walleij select GPIOLIB 138309230cbcSChristoph Hellwig select SWIOTLB 13840e476d91SHuacai Chen help 13850e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13860e476d91SHuacai Chen set with many extensions. 13870e476d91SHuacai Chen 13881e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13891e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13901e820da3SHuacai Chen default n 13911e820da3SHuacai Chen select CPU_MIPSR2 13921e820da3SHuacai Chen select CPU_HAS_PREFETCH 13931e820da3SHuacai Chen depends on CPU_LOONGSON3 13941e820da3SHuacai Chen help 13951e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13961e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13971e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 13981e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13991e820da3SHuacai Chen Fast TLB refill support, etc. 14001e820da3SHuacai Chen 14011e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14021e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14031e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 14041e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 14051e820da3SHuacai Chen 14063702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14073702bba5SWu Zhangjin bool "Loongson 2E" 14083702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14093702bba5SWu Zhangjin select CPU_LOONGSON2 14102a21c730SFuxin Zhang help 14112a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14122a21c730SFuxin Zhang with many extensions. 14132a21c730SFuxin Zhang 141425985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14156f7a251aSWu Zhangjin bonito64. 14166f7a251aSWu Zhangjin 14176f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14186f7a251aSWu Zhangjin bool "Loongson 2F" 14196f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14206f7a251aSWu Zhangjin select CPU_LOONGSON2 1421d30a2b47SLinus Walleij select GPIOLIB 14226f7a251aSWu Zhangjin help 14236f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14246f7a251aSWu Zhangjin with many extensions. 14256f7a251aSWu Zhangjin 14266f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14276f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14286f7a251aSWu Zhangjin Loongson2E. 14296f7a251aSWu Zhangjin 1430ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1431ca585cf9SKelvin Cheung bool "Loongson 1B" 1432ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1433ca585cf9SKelvin Cheung select CPU_LOONGSON1 14349ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1435ca585cf9SKelvin Cheung help 1436ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1437968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1438968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1439ca585cf9SKelvin Cheung 144012e3280bSYang Lingconfig CPU_LOONGSON1C 144112e3280bSYang Ling bool "Loongson 1C" 144212e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 144312e3280bSYang Ling select CPU_LOONGSON1 144412e3280bSYang Ling select LEDS_GPIO_REGISTER 144512e3280bSYang Ling help 144612e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1447968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1448968dc5a0S谢致邦 (XIE Zhibang) instruction set. 144912e3280bSYang Ling 14506e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14516e760c8dSRalf Baechle bool "MIPS32 Release 1" 14527cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14536e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1454932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1455797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1456ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14576e760c8dSRalf Baechle help 14585e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14591e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14601e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14611e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14621e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14631e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14641e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14651e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14661e5f1caaSRalf Baechle performance. 14671e5f1caaSRalf Baechle 14681e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14691e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14707cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14711e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1472932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1473797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1474ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1475a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14762235a54dSSanjay Lal select HAVE_KVM 14771e5f1caaSRalf Baechle help 14785e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14796e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14806e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14816e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14826e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14831da177e4SLinus Torvalds 14847fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1485674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14867fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14877fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14887fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14897fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14907fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14917fd08ca5SLeonid Yegoshin select HAVE_KVM 14927fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14937fd08ca5SLeonid Yegoshin help 14947fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14957fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14967fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14977fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14987fd08ca5SLeonid Yegoshin 14996e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15006e760c8dSRalf Baechle bool "MIPS64 Release 1" 15017cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1502797798c1SRalf Baechle select CPU_HAS_PREFETCH 1503932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1504ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1505ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1506ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15079cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15086e760c8dSRalf Baechle help 15096e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15106e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15116e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15126e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15136e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15141e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15151e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15161e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15171e5f1caaSRalf Baechle performance. 15181e5f1caaSRalf Baechle 15191e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15201e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15217cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1522797798c1SRalf Baechle select CPU_HAS_PREFETCH 1523932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15241e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15251e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1526ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15279cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1528a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 152940a2df49SJames Hogan select HAVE_KVM 15301e5f1caaSRalf Baechle help 15311e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15321e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15331e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15341e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15351e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15361da177e4SLinus Torvalds 15377fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1538674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15397fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15407fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15417fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15427fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15437fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15447fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15452e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 154640a2df49SJames Hogan select HAVE_KVM 15477fd08ca5SLeonid Yegoshin help 15487fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15497fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15507fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15517fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15527fd08ca5SLeonid Yegoshin 15531da177e4SLinus Torvaldsconfig CPU_R3000 15541da177e4SLinus Torvalds bool "R3000" 15557cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1556f7062ddbSRalf Baechle select CPU_HAS_WB 1557932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1558ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1559797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15601da177e4SLinus Torvalds help 15611da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15621da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15631da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15641da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15651da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15661da177e4SLinus Torvalds try to recompile with R3000. 15671da177e4SLinus Torvalds 15681da177e4SLinus Torvaldsconfig CPU_TX39XX 15691da177e4SLinus Torvalds bool "R39XX" 15707cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1571ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1572932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15731da177e4SLinus Torvalds 15741da177e4SLinus Torvaldsconfig CPU_VR41XX 15751da177e4SLinus Torvalds bool "R41xx" 15767cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1577ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1578ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1579932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15801da177e4SLinus Torvalds help 15815e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15821da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15831da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15841da177e4SLinus Torvalds processor or vice versa. 15851da177e4SLinus Torvalds 15861da177e4SLinus Torvaldsconfig CPU_R4300 15871da177e4SLinus Torvalds bool "R4300" 15887cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1589ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1590ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1591932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15921da177e4SLinus Torvalds help 15931da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15941da177e4SLinus Torvalds 15951da177e4SLinus Torvaldsconfig CPU_R4X00 15961da177e4SLinus Torvalds bool "R4x00" 15977cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1598ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1599ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1600970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1601932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16021da177e4SLinus Torvalds help 16031da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16041da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16051da177e4SLinus Torvalds 16061da177e4SLinus Torvaldsconfig CPU_TX49XX 16071da177e4SLinus Torvalds bool "R49XX" 16087cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1609de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1610932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1611ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1612ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1613970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16141da177e4SLinus Torvalds 16151da177e4SLinus Torvaldsconfig CPU_R5000 16161da177e4SLinus Torvalds bool "R5000" 16177cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1618ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1619ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1620970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1621932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16221da177e4SLinus Torvalds help 16231da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16241da177e4SLinus Torvalds 16251da177e4SLinus Torvaldsconfig CPU_R5432 16261da177e4SLinus Torvalds bool "R5432" 16277cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 16285e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16295e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1630970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1631932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16321da177e4SLinus Torvalds 1633542c1020SShinya Kuribayashiconfig CPU_R5500 1634542c1020SShinya Kuribayashi bool "R5500" 1635542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1636542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1637542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16389cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1639932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1640542c1020SShinya Kuribayashi help 1641542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1642542c1020SShinya Kuribayashi instruction set. 1643542c1020SShinya Kuribayashi 16441da177e4SLinus Torvaldsconfig CPU_NEVADA 16451da177e4SLinus Torvalds bool "RM52xx" 16467cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1647ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1648ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1649970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1650932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16511da177e4SLinus Torvalds help 16521da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16531da177e4SLinus Torvalds 16541da177e4SLinus Torvaldsconfig CPU_R8000 16551da177e4SLinus Torvalds bool "R8000" 16567cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 16575e83d430SRalf Baechle select CPU_HAS_PREFETCH 1658932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1659ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16601da177e4SLinus Torvalds help 16611da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 16621da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16631da177e4SLinus Torvalds 16641da177e4SLinus Torvaldsconfig CPU_R10000 16651da177e4SLinus Torvalds bool "R10000" 16667cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16675e83d430SRalf Baechle select CPU_HAS_PREFETCH 1668932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1669ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1670ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1671797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1672970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16731da177e4SLinus Torvalds help 16741da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16751da177e4SLinus Torvalds 16761da177e4SLinus Torvaldsconfig CPU_RM7000 16771da177e4SLinus Torvalds bool "RM7000" 16787cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16795e83d430SRalf Baechle select CPU_HAS_PREFETCH 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 16851da177e4SLinus Torvalds 16861da177e4SLinus Torvaldsconfig CPU_SB1 16871da177e4SLinus Torvalds bool "SB1" 16887cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1689932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1690ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1691ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1692797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1693970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16940004a9dfSRalf Baechle select WEAK_ORDERING 16951da177e4SLinus Torvalds 1696a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1697a86c7f72SDavid Daney bool "Cavium Octeon processor" 16985e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1699a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1700932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1701a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1702a86c7f72SDavid Daney select WEAK_ORDERING 1703a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17049cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1705df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1706df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1707930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17080ae3abcdSJames Hogan select HAVE_KVM 1709a86c7f72SDavid Daney help 1710a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1711a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1712a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1713a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1714a86c7f72SDavid Daney 1715cd746249SJonas Gorskiconfig CPU_BMIPS 1716cd746249SJonas Gorski bool "Broadcom BMIPS" 1717cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1718cd746249SJonas Gorski select CPU_MIPS32 1719fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1720cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1721cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1722cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1723cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1724cd746249SJonas Gorski select DMA_NONCOHERENT 172567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1726cd746249SJonas Gorski select SWAP_IO_SPACE 1727cd746249SJonas Gorski select WEAK_ORDERING 1728c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 172969aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1730932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1731a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1732a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1733c1c0c461SKevin Cernekee help 1734fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1735c1c0c461SKevin Cernekee 17367f058e85SJayachandran Cconfig CPU_XLR 17377f058e85SJayachandran C bool "Netlogic XLR SoC" 17387f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1739932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17407f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17417f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17427f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1743970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17447f058e85SJayachandran C select WEAK_ORDERING 17457f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17467f058e85SJayachandran C help 17477f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17481c773ea4SJayachandran C 17491c773ea4SJayachandran Cconfig CPU_XLP 17501c773ea4SJayachandran C bool "Netlogic XLP SoC" 17511c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17521c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17531c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17541c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17551c773ea4SJayachandran C select WEAK_ORDERING 17561c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17571c773ea4SJayachandran C select CPU_HAS_PREFETCH 1758932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1759d6504846SJayachandran C select CPU_MIPSR2 1760ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17612db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17621c773ea4SJayachandran C help 17631c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17641da177e4SLinus Torvaldsendchoice 17651da177e4SLinus Torvalds 1766a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1767a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1768a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17697fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1770a6e18781SLeonid Yegoshin help 1771a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1772a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1773a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1774a6e18781SLeonid Yegoshin 1775a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1776a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1777a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1778a6e18781SLeonid Yegoshin select EVA 1779a6e18781SLeonid Yegoshin default y 1780a6e18781SLeonid Yegoshin help 1781a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1782a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1783a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1784a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1785a6e18781SLeonid Yegoshin 1786c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1787c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1788c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1789c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1790c5b36783SSteven J. Hill help 1791c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1792c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1793c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1794c5b36783SSteven J. Hill 1795c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1796c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1797c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1798c5b36783SSteven J. Hill depends on !EVA 1799c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1800c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1801c5b36783SSteven J. Hill select XPA 1802c5b36783SSteven J. Hill select HIGHMEM 1803d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1804c5b36783SSteven J. Hill default n 1805c5b36783SSteven J. Hill help 1806c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1807c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1808c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1809c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1810c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1811c5b36783SSteven J. Hill If unsure, say 'N' here. 1812c5b36783SSteven J. Hill 1813622844bfSWu Zhangjinif CPU_LOONGSON2F 1814622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1815622844bfSWu Zhangjin bool 1816622844bfSWu Zhangjin 1817622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1818622844bfSWu Zhangjin bool 1819622844bfSWu Zhangjin 1820622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1821622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1822622844bfSWu Zhangjin default y 1823622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1824622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1825622844bfSWu Zhangjin help 1826622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1827622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1828622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1829622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1830622844bfSWu Zhangjin 1831622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1832622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1833622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1834622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1835622844bfSWu Zhangjin systems. 1836622844bfSWu Zhangjin 1837622844bfSWu Zhangjin If unsure, please say Y. 1838622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1839622844bfSWu Zhangjin 18401b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18411b93b3c3SWu Zhangjin bool 18421b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18431b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 184431c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18451b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1846fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18474e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18481b93b3c3SWu Zhangjin 18491b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18501b93b3c3SWu Zhangjin bool 18511b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18521b93b3c3SWu Zhangjin 1853dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1854dbb98314SAlban Bedel bool 1855dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1856dbb98314SAlban Bedel 18573702bba5SWu Zhangjinconfig CPU_LOONGSON2 18583702bba5SWu Zhangjin bool 18593702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18603702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18613702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1862970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1863e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1864932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18653702bba5SWu Zhangjin 1866ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1867ca585cf9SKelvin Cheung bool 1868ca585cf9SKelvin Cheung select CPU_MIPS32 1869968dc5a0S谢致邦 (XIE Zhibang) select CPU_MIPSR1 1870ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1871932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1872ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1873ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1874f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1875ca585cf9SKelvin Cheung 1876fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 187704fa8bf7SJonas Gorski select SMP_UP if SMP 18781bbb6c1bSKevin Cernekee bool 1879cd746249SJonas Gorski 1880cd746249SJonas Gorskiconfig CPU_BMIPS4350 1881cd746249SJonas Gorski bool 1882cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1883cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1884cd746249SJonas Gorski 1885cd746249SJonas Gorskiconfig CPU_BMIPS4380 1886cd746249SJonas Gorski bool 1887bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1888cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1889cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1890b4720809SFlorian Fainelli select CPU_HAS_RIXI 1891cd746249SJonas Gorski 1892cd746249SJonas Gorskiconfig CPU_BMIPS5000 1893cd746249SJonas Gorski bool 1894cd746249SJonas Gorski select MIPS_CPU_SCACHE 1895bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1896cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1897cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1898b4720809SFlorian Fainelli select CPU_HAS_RIXI 18991bbb6c1bSKevin Cernekee 19000e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 19010e476d91SHuacai Chen bool 19020e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1903b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19040e476d91SHuacai Chen 19053702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19062a21c730SFuxin Zhang bool 19072a21c730SFuxin Zhang 19086f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19096f7a251aSWu Zhangjin bool 191055045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 191155045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 191222f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19136f7a251aSWu Zhangjin 1914ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1915ca585cf9SKelvin Cheung bool 1916ca585cf9SKelvin Cheung 191712e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 191812e3280bSYang Ling bool 191912e3280bSYang Ling 19207cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19217cf8053bSRalf Baechle bool 19227cf8053bSRalf Baechle 19237cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19247cf8053bSRalf Baechle bool 19257cf8053bSRalf Baechle 1926a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1927a6e18781SLeonid Yegoshin bool 1928a6e18781SLeonid Yegoshin 1929c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1930c5b36783SSteven J. Hill bool 1931c5b36783SSteven J. Hill 19327fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19337fd08ca5SLeonid Yegoshin bool 19347fd08ca5SLeonid Yegoshin 19357cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19367cf8053bSRalf Baechle bool 19377cf8053bSRalf Baechle 19387cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19397cf8053bSRalf Baechle bool 19407cf8053bSRalf Baechle 19417fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19427fd08ca5SLeonid Yegoshin bool 19437fd08ca5SLeonid Yegoshin 19447cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19457cf8053bSRalf Baechle bool 19467cf8053bSRalf Baechle 19477cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19487cf8053bSRalf Baechle bool 19497cf8053bSRalf Baechle 19507cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19517cf8053bSRalf Baechle bool 19527cf8053bSRalf Baechle 19537cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 19547cf8053bSRalf Baechle bool 19557cf8053bSRalf Baechle 19567cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19577cf8053bSRalf Baechle bool 19587cf8053bSRalf Baechle 19597cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19607cf8053bSRalf Baechle bool 19617cf8053bSRalf Baechle 19627cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19637cf8053bSRalf Baechle bool 19647cf8053bSRalf Baechle 19657cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 19667cf8053bSRalf Baechle bool 19677cf8053bSRalf Baechle 1968542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1969542c1020SShinya Kuribayashi bool 1970542c1020SShinya Kuribayashi 19717cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19727cf8053bSRalf Baechle bool 19737cf8053bSRalf Baechle 19747cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 19757cf8053bSRalf Baechle bool 19767cf8053bSRalf Baechle 19777cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19787cf8053bSRalf Baechle bool 19797cf8053bSRalf Baechle 19807cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19817cf8053bSRalf Baechle bool 19827cf8053bSRalf Baechle 19837cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19847cf8053bSRalf Baechle bool 19857cf8053bSRalf Baechle 19865e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19875e683389SDavid Daney bool 19885e683389SDavid Daney 1989cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1990c1c0c461SKevin Cernekee bool 1991c1c0c461SKevin Cernekee 1992fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1993c1c0c461SKevin Cernekee bool 1994cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1995c1c0c461SKevin Cernekee 1996c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1997c1c0c461SKevin Cernekee bool 1998cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1999c1c0c461SKevin Cernekee 2000c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2001c1c0c461SKevin Cernekee bool 2002cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2003c1c0c461SKevin Cernekee 2004c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2005c1c0c461SKevin Cernekee bool 2006cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2007c1c0c461SKevin Cernekee 20087f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20097f058e85SJayachandran C bool 20107f058e85SJayachandran C 20111c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20121c773ea4SJayachandran C bool 20131c773ea4SJayachandran C 201417099b11SRalf Baechle# 201517099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 201617099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 201717099b11SRalf Baechle# 20180004a9dfSRalf Baechleconfig WEAK_ORDERING 20190004a9dfSRalf Baechle bool 202017099b11SRalf Baechle 202117099b11SRalf Baechle# 202217099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 202317099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 202417099b11SRalf Baechle# 202517099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 202617099b11SRalf Baechle bool 20275e83d430SRalf Baechleendmenu 20285e83d430SRalf Baechle 20295e83d430SRalf Baechle# 20305e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20315e83d430SRalf Baechle# 20325e83d430SRalf Baechleconfig CPU_MIPS32 20335e83d430SRalf Baechle bool 20347fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20355e83d430SRalf Baechle 20365e83d430SRalf Baechleconfig CPU_MIPS64 20375e83d430SRalf Baechle bool 20387fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20395e83d430SRalf Baechle 20405e83d430SRalf Baechle# 204157eeacedSPaul Burton# These indicate the revision of the architecture 20425e83d430SRalf Baechle# 20435e83d430SRalf Baechleconfig CPU_MIPSR1 20445e83d430SRalf Baechle bool 20455e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20465e83d430SRalf Baechle 20475e83d430SRalf Baechleconfig CPU_MIPSR2 20485e83d430SRalf Baechle bool 2049a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20508256b17eSFlorian Fainelli select CPU_HAS_RIXI 2051a7e07b1aSMarkos Chandras select MIPS_SPRAM 20525e83d430SRalf Baechle 20537fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20547fd08ca5SLeonid Yegoshin bool 20557fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20568256b17eSFlorian Fainelli select CPU_HAS_RIXI 205787321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20582db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20594a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2060a7e07b1aSMarkos Chandras select MIPS_SPRAM 20615e83d430SRalf Baechle 206257eeacedSPaul Burtonconfig TARGET_ISA_REV 206357eeacedSPaul Burton int 206457eeacedSPaul Burton default 1 if CPU_MIPSR1 206557eeacedSPaul Burton default 2 if CPU_MIPSR2 206657eeacedSPaul Burton default 6 if CPU_MIPSR6 206757eeacedSPaul Burton default 0 206857eeacedSPaul Burton help 206957eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 207057eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 207157eeacedSPaul Burton 2072a6e18781SLeonid Yegoshinconfig EVA 2073a6e18781SLeonid Yegoshin bool 2074a6e18781SLeonid Yegoshin 2075c5b36783SSteven J. Hillconfig XPA 2076c5b36783SSteven J. Hill bool 2077c5b36783SSteven J. Hill 20785e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20795e83d430SRalf Baechle bool 20805e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20815e83d430SRalf Baechle bool 20825e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20835e83d430SRalf Baechle bool 20845e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20855e83d430SRalf Baechle bool 208655045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 208755045ff5SWu Zhangjin bool 208855045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 208955045ff5SWu Zhangjin bool 20909cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20919cffd154SDavid Daney bool 209222f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 209322f1fdfdSWu Zhangjin bool 209482622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 209582622284SDavid Daney bool 2096cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 20975e83d430SRalf Baechle 20988192c9eaSDavid Daney# 20998192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21008192c9eaSDavid Daney# 21018192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21028192c9eaSDavid Daney bool 2103679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21048192c9eaSDavid Daney 21055e83d430SRalf Baechlemenu "Kernel type" 21065e83d430SRalf Baechle 21075e83d430SRalf Baechlechoice 21085e83d430SRalf Baechle prompt "Kernel code model" 21095e83d430SRalf Baechle help 21105e83d430SRalf Baechle You should only select this option if you have a workload that 21115e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21125e83d430SRalf Baechle large memory. You will only be presented a single option in this 21135e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21145e83d430SRalf Baechle 21155e83d430SRalf Baechleconfig 32BIT 21165e83d430SRalf Baechle bool "32-bit kernel" 21175e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21185e83d430SRalf Baechle select TRAD_SIGNALS 21195e83d430SRalf Baechle help 21205e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2121f17c4ca3SRalf Baechle 21225e83d430SRalf Baechleconfig 64BIT 21235e83d430SRalf Baechle bool "64-bit kernel" 21245e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21255e83d430SRalf Baechle help 21265e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21275e83d430SRalf Baechle 21285e83d430SRalf Baechleendchoice 21295e83d430SRalf Baechle 21302235a54dSSanjay Lalconfig KVM_GUEST 21312235a54dSSanjay Lal bool "KVM Guest Kernel" 2132f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21332235a54dSSanjay Lal help 2134caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2135caa1faa7SJames Hogan mode. 21362235a54dSSanjay Lal 2137eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2138eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21392235a54dSSanjay Lal depends on KVM_GUEST 2140eda3d33cSJames Hogan default 100 21412235a54dSSanjay Lal help 2142eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2143eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2144eda3d33cSJames Hogan timer frequency is specified directly. 21452235a54dSSanjay Lal 21461e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21471e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21481e321fa9SLeonid Yegoshin depends on 64BIT 21491e321fa9SLeonid Yegoshin help 21503377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21513377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21523377e227SAlex Belits For page sizes 16k and above, this option results in a small 21533377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21543377e227SAlex Belits level of page tables is added which imposes both a memory 21553377e227SAlex Belits overhead as well as slower TLB fault handling. 21563377e227SAlex Belits 21571e321fa9SLeonid Yegoshin If unsure, say N. 21581e321fa9SLeonid Yegoshin 21591da177e4SLinus Torvaldschoice 21601da177e4SLinus Torvalds prompt "Kernel page size" 21611da177e4SLinus Torvalds default PAGE_SIZE_4KB 21621da177e4SLinus Torvalds 21631da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21641da177e4SLinus Torvalds bool "4kB" 21650e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21661da177e4SLinus Torvalds help 21671da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21681da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21691da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21701da177e4SLinus Torvalds recommended for low memory systems. 21711da177e4SLinus Torvalds 21721da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21731da177e4SLinus Torvalds bool "8kB" 21747d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 21751e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21761da177e4SLinus Torvalds help 21771da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21781da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2179c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2180c52399beSRalf Baechle suitable Linux distribution to support this. 21811da177e4SLinus Torvalds 21821da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21831da177e4SLinus Torvalds bool "16kB" 2184714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21851da177e4SLinus Torvalds help 21861da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21871da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2188714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2189714bfad6SRalf Baechle Linux distribution to support this. 21901da177e4SLinus Torvalds 2191c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2192c52399beSRalf Baechle bool "32kB" 2193c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21941e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2195c52399beSRalf Baechle help 2196c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2197c52399beSRalf Baechle the price of higher memory consumption. This option is available 2198c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2199c52399beSRalf Baechle distribution to support this. 2200c52399beSRalf Baechle 22011da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22021da177e4SLinus Torvalds bool "64kB" 22033b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22041da177e4SLinus Torvalds help 22051da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22061da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22071da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2208714bfad6SRalf Baechle writing this option is still high experimental. 22091da177e4SLinus Torvalds 22101da177e4SLinus Torvaldsendchoice 22111da177e4SLinus Torvalds 2212c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2213c9bace7cSDavid Daney int "Maximum zone order" 2214e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2215e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2216e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2217e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2218e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2219e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2220c9bace7cSDavid Daney range 11 64 2221c9bace7cSDavid Daney default "11" 2222c9bace7cSDavid Daney help 2223c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2224c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2225c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2226c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2227c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2228c9bace7cSDavid Daney increase this value. 2229c9bace7cSDavid Daney 2230c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2231c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2232c9bace7cSDavid Daney 2233c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2234c9bace7cSDavid Daney when choosing a value for this option. 2235c9bace7cSDavid Daney 22361da177e4SLinus Torvaldsconfig BOARD_SCACHE 22371da177e4SLinus Torvalds bool 22381da177e4SLinus Torvalds 22391da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22401da177e4SLinus Torvalds bool 22411da177e4SLinus Torvalds select BOARD_SCACHE 22421da177e4SLinus Torvalds 22439318c51aSChris Dearman# 22449318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22459318c51aSChris Dearman# 22469318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22479318c51aSChris Dearman bool 22489318c51aSChris Dearman select BOARD_SCACHE 22499318c51aSChris Dearman 22501da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22511da177e4SLinus Torvalds bool 22521da177e4SLinus Torvalds select BOARD_SCACHE 22531da177e4SLinus Torvalds 22541da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22551da177e4SLinus Torvalds bool 22561da177e4SLinus Torvalds select BOARD_SCACHE 22571da177e4SLinus Torvalds 22581da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22591da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22601da177e4SLinus Torvalds depends on CPU_SB1 22611da177e4SLinus Torvalds help 22621da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22631da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22641da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22651da177e4SLinus Torvalds 22661da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2267c8094b53SRalf Baechle bool 22681da177e4SLinus Torvalds 22693165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22703165c846SFlorian Fainelli bool 22713b2db173SPaul Burton default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX) 22723165c846SFlorian Fainelli 2273c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2274183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2275183b40f9SPaul Burton default y 2276183b40f9SPaul Burton help 2277183b40f9SPaul Burton Select y to include support for floating point in the kernel 2278183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2279183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2280183b40f9SPaul Burton userland program attempting to use floating point instructions will 2281183b40f9SPaul Burton receive a SIGILL. 2282183b40f9SPaul Burton 2283183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2284183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2285183b40f9SPaul Burton 2286183b40f9SPaul Burton If unsure, say y. 2287c92e47e5SPaul Burton 228897f7dcbfSPaul Burtonconfig CPU_R2300_FPU 228997f7dcbfSPaul Burton bool 2290c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 229197f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 229297f7dcbfSPaul Burton 229391405eb6SFlorian Fainelliconfig CPU_R4K_FPU 229491405eb6SFlorian Fainelli bool 2295c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 229697f7dcbfSPaul Burton default y if !CPU_R2300_FPU 229791405eb6SFlorian Fainelli 229862cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 229962cedc4fSFlorian Fainelli bool 230062cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 230162cedc4fSFlorian Fainelli 230259d6ab86SRalf Baechleconfig MIPS_MT_SMP 2303a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23045cbf9688SPaul Burton default y 2305527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 230659d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2307d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2308c080faa5SSteven J. Hill select SYNC_R4K 230959d6ab86SRalf Baechle select MIPS_MT 231059d6ab86SRalf Baechle select SMP 231187353d8aSRalf Baechle select SMP_UP 2312c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2313c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2314399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 231559d6ab86SRalf Baechle help 2316c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2317c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2318c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2319c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2320c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 232159d6ab86SRalf Baechle 2322f41ae0b2SRalf Baechleconfig MIPS_MT 2323f41ae0b2SRalf Baechle bool 2324f41ae0b2SRalf Baechle 23250ab7aefcSRalf Baechleconfig SCHED_SMT 23260ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23270ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23280ab7aefcSRalf Baechle default n 23290ab7aefcSRalf Baechle help 23300ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23310ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23320ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23330ab7aefcSRalf Baechle 23340ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23350ab7aefcSRalf Baechle bool 23360ab7aefcSRalf Baechle 2337f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2338f41ae0b2SRalf Baechle bool 2339f41ae0b2SRalf Baechle 2340f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2341f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2342f088fc84SRalf Baechle default y 2343b633648cSRalf Baechle depends on MIPS_MT_SMP 234407cc0c9eSRalf Baechle 2345b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2346b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23479eaa9a82SPaul Burton depends on CPU_MIPSR6 2348c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2349b0a668fbSLeonid Yegoshin default y 2350b0a668fbSLeonid Yegoshin help 2351b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2352b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 235307edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2354b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2355b0a668fbSLeonid Yegoshin final kernel image. 2356b0a668fbSLeonid Yegoshin 2357f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2358f35764e7SJames Hogan bool 2359f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2360f35764e7SJames Hogan help 2361f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2362f35764e7SJames Hogan physical_memsize. 2363f35764e7SJames Hogan 236407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 236507cc0c9eSRalf Baechle bool "VPE loader support." 2366f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 236707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 236807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 236907cc0c9eSRalf Baechle select MIPS_MT 237007cc0c9eSRalf Baechle help 237107cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 237207cc0c9eSRalf Baechle onto another VPE and running it. 2373f088fc84SRalf Baechle 237417a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 237517a1d523SDeng-Cheng Zhu bool 237617a1d523SDeng-Cheng Zhu default "y" 237717a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 237817a1d523SDeng-Cheng Zhu 23791a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23801a2a6d7eSDeng-Cheng Zhu bool 23811a2a6d7eSDeng-Cheng Zhu default "y" 23821a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23831a2a6d7eSDeng-Cheng Zhu 2384e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2385e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2386e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2387e01402b1SRalf Baechle default y 2388e01402b1SRalf Baechle help 2389e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2390e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2391e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2392e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2393e01402b1SRalf Baechle 2394e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2395e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2396e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2397e01402b1SRalf Baechle 2398da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2399da615cf6SDeng-Cheng Zhu bool 2400da615cf6SDeng-Cheng Zhu default "y" 2401da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2402da615cf6SDeng-Cheng Zhu 24032c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24042c973ef0SDeng-Cheng Zhu bool 24052c973ef0SDeng-Cheng Zhu default "y" 24062c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24072c973ef0SDeng-Cheng Zhu 24084a16ff4cSRalf Baechleconfig MIPS_CMP 24095cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24105676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2411b10b43baSMarkos Chandras select SMP 2412eb9b5141STim Anderson select SYNC_R4K 2413b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24144a16ff4cSRalf Baechle select WEAK_ORDERING 24154a16ff4cSRalf Baechle default n 24164a16ff4cSRalf Baechle help 2417044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2418044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2419044505c7SPaul Burton its ability to start secondary CPUs. 24204a16ff4cSRalf Baechle 24215cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24225cac93b3SPaul Burton instead of this. 24235cac93b3SPaul Burton 24240ee958e1SPaul Burtonconfig MIPS_CPS 24250ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24265a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24270ee958e1SPaul Burton select MIPS_CM 24281d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24290ee958e1SPaul Burton select SMP 24300ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24311d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2432c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24330ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24340ee958e1SPaul Burton select WEAK_ORDERING 24350ee958e1SPaul Burton help 24360ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24370ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24380ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24390ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24400ee958e1SPaul Burton support is unavailable. 24410ee958e1SPaul Burton 24423179d37eSPaul Burtonconfig MIPS_CPS_PM 244339a59593SMarkos Chandras depends on MIPS_CPS 24443179d37eSPaul Burton bool 24453179d37eSPaul Burton 24469f98f3ddSPaul Burtonconfig MIPS_CM 24479f98f3ddSPaul Burton bool 24483c9b4166SPaul Burton select MIPS_CPC 24499f98f3ddSPaul Burton 24509c38cf44SPaul Burtonconfig MIPS_CPC 24519c38cf44SPaul Burton bool 24522600990eSRalf Baechle 24531da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24541da177e4SLinus Torvalds bool 24551da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24561da177e4SLinus Torvalds default y 24571da177e4SLinus Torvalds 24581da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24591da177e4SLinus Torvalds bool 24601da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24611da177e4SLinus Torvalds default y 24621da177e4SLinus Torvalds 24632235a54dSSanjay Lal 24649e2b5372SMarkos Chandraschoice 24659e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24669e2b5372SMarkos Chandras 24679e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24689e2b5372SMarkos Chandras bool "None" 24699e2b5372SMarkos Chandras help 24709e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24719e2b5372SMarkos Chandras 24729693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24739693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24749e2b5372SMarkos Chandras bool "SmartMIPS" 24759693a853SFranck Bui-Huu help 24769693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24779693a853SFranck Bui-Huu increased security at both hardware and software level for 24789693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24799693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24809693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24819693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24829693a853SFranck Bui-Huu here. 24839693a853SFranck Bui-Huu 2484bce86083SSteven J. Hillconfig CPU_MICROMIPS 24857fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24869e2b5372SMarkos Chandras bool "microMIPS" 2487bce86083SSteven J. Hill help 2488bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2489bce86083SSteven J. Hill microMIPS ISA 2490bce86083SSteven J. Hill 24919e2b5372SMarkos Chandrasendchoice 24929e2b5372SMarkos Chandras 2493a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24940ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2495a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2496c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 24972a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2498a5e9a69eSPaul Burton help 2499a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2500a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25011db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25021db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25031db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25041db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25051db1af84SPaul Burton the size & complexity of your kernel. 2506a5e9a69eSPaul Burton 2507a5e9a69eSPaul Burton If unsure, say Y. 2508a5e9a69eSPaul Burton 25091da177e4SLinus Torvaldsconfig CPU_HAS_WB 2510f7062ddbSRalf Baechle bool 2511e01402b1SRalf Baechle 2512df0ac8a4SKevin Cernekeeconfig XKS01 2513df0ac8a4SKevin Cernekee bool 2514df0ac8a4SKevin Cernekee 25158256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25168256b17eSFlorian Fainelli bool 25178256b17eSFlorian Fainelli 2518932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2519932afdeeSYasha Cherikovsky bool 2520932afdeeSYasha Cherikovsky help 2521932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2522932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2523932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2524932afdeeSYasha Cherikovsky 2525f41ae0b2SRalf Baechle# 2526f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2527f41ae0b2SRalf Baechle# 2528e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2529f41ae0b2SRalf Baechle bool 2530e01402b1SRalf Baechle 2531f41ae0b2SRalf Baechle# 2532f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2533f41ae0b2SRalf Baechle# 2534e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2535f41ae0b2SRalf Baechle bool 2536e01402b1SRalf Baechle 25371da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25381da177e4SLinus Torvalds bool 25391da177e4SLinus Torvalds depends on !CPU_R3000 25401da177e4SLinus Torvalds default y 25411da177e4SLinus Torvalds 25421da177e4SLinus Torvalds# 254320d60d99SMaciej W. Rozycki# CPU non-features 254420d60d99SMaciej W. Rozycki# 254520d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 254620d60d99SMaciej W. Rozycki bool 254720d60d99SMaciej W. Rozycki 254820d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 254920d60d99SMaciej W. Rozycki bool 255020d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 255120d60d99SMaciej W. Rozycki 255220d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 255320d60d99SMaciej W. Rozycki bool 255420d60d99SMaciej W. Rozycki 25554edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25564edf00a4SPaul Burton int 25574edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25584edf00a4SPaul Burton default 4 if CPU_R8000 25594edf00a4SPaul Burton default 0 25604edf00a4SPaul Burton 25614edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25624edf00a4SPaul Burton int 25632db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25644edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25654edf00a4SPaul Burton default 8 25664edf00a4SPaul Burton 25672db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25682db003a5SPaul Burton bool 25692db003a5SPaul Burton 25704a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25714a5dc51eSMarcin Nowakowski bool 25724a5dc51eSMarcin Nowakowski 257320d60d99SMaciej W. Rozycki# 25741da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25751da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25761da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25771da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25781da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25791da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25801da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25811da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2582797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2583797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2584797798c1SRalf Baechle# support. 25851da177e4SLinus Torvalds# 25861da177e4SLinus Torvaldsconfig HIGHMEM 25871da177e4SLinus Torvalds bool "High Memory Support" 2588a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2589797798c1SRalf Baechle 2590797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2591797798c1SRalf Baechle bool 2592797798c1SRalf Baechle 2593797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2594797798c1SRalf Baechle bool 25951da177e4SLinus Torvalds 25969693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25979693a853SFranck Bui-Huu bool 25989693a853SFranck Bui-Huu 2599a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2600a6a4834cSSteven J. Hill bool 2601a6a4834cSSteven J. Hill 2602377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2603377cb1b6SRalf Baechle bool 2604377cb1b6SRalf Baechle help 2605377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2606377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2607377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2608377cb1b6SRalf Baechle 2609a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2610a5e9a69eSPaul Burton bool 2611a5e9a69eSPaul Burton 2612b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2613b4819b59SYoichi Yuasa def_bool y 2614f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2615b4819b59SYoichi Yuasa 2616d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2617d8cb4e11SRalf Baechle bool 2618d8cb4e11SRalf Baechle default y if SGI_IP27 2619d8cb4e11SRalf Baechle help 26203dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2621d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2622d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2623ad56b738SMike Rapoport See <file:Documentation/vm/numa.rst> for more. 2624d8cb4e11SRalf Baechle 2625b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2626b1c6cd42SAtsushi Nemoto bool 26277de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 262831473747SAtsushi Nemoto 2629d8cb4e11SRalf Baechleconfig NUMA 2630d8cb4e11SRalf Baechle bool "NUMA Support" 2631d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2632d8cb4e11SRalf Baechle help 2633d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2634d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2635d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2636d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2637d8cb4e11SRalf Baechle disabled. 2638d8cb4e11SRalf Baechle 2639d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2640d8cb4e11SRalf Baechle bool 2641d8cb4e11SRalf Baechle 26428c530ea3SMatt Redfearnconfig RELOCATABLE 26438c530ea3SMatt Redfearn bool "Relocatable kernel" 26443ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26458c530ea3SMatt Redfearn help 26468c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26478c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26488c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26498c530ea3SMatt Redfearn but are discarded at runtime 26508c530ea3SMatt Redfearn 2651069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2652069fd766SMatt Redfearn hex "Relocation table size" 2653069fd766SMatt Redfearn depends on RELOCATABLE 2654069fd766SMatt Redfearn range 0x0 0x01000000 2655069fd766SMatt Redfearn default "0x00100000" 2656069fd766SMatt Redfearn ---help--- 2657069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2658069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2659069fd766SMatt Redfearn 2660069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2661069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2662069fd766SMatt Redfearn 2663069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2664069fd766SMatt Redfearn 2665069fd766SMatt Redfearn If unsure, leave at the default value. 2666069fd766SMatt Redfearn 2667405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2668405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2669405bc8fdSMatt Redfearn depends on RELOCATABLE 2670405bc8fdSMatt Redfearn ---help--- 2671405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2672405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2673405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2674405bc8fdSMatt Redfearn of kernel internals. 2675405bc8fdSMatt Redfearn 2676405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2677405bc8fdSMatt Redfearn 2678405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2679405bc8fdSMatt Redfearn 2680405bc8fdSMatt Redfearn If unsure, say N. 2681405bc8fdSMatt Redfearn 2682405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2683405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2684405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2685405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2686405bc8fdSMatt Redfearn range 0x0 0x08000000 2687405bc8fdSMatt Redfearn default "0x01000000" 2688405bc8fdSMatt Redfearn ---help--- 2689405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2690405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2691405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2692405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2693405bc8fdSMatt Redfearn 2694405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2695405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2696405bc8fdSMatt Redfearn 2697c80d79d7SYasunori Gotoconfig NODES_SHIFT 2698c80d79d7SYasunori Goto int 2699c80d79d7SYasunori Goto default "6" 2700c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2701c80d79d7SYasunori Goto 270214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 270314f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 270423021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 270514f70012SDeng-Cheng Zhu default y 270614f70012SDeng-Cheng Zhu help 270714f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 270814f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 270914f70012SDeng-Cheng Zhu 27101da177e4SLinus Torvaldsconfig SMP 27111da177e4SLinus Torvalds bool "Multi-Processing support" 2712e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2713e73ea273SRalf Baechle help 27141da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27154a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27164a474157SRobert Graffham than one CPU, say Y. 27171da177e4SLinus Torvalds 27184a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27191da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27201da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27214a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27221da177e4SLinus Torvalds will run faster if you say N here. 27231da177e4SLinus Torvalds 27241da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27251da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27261da177e4SLinus Torvalds 272703502faaSAdrian Bunk See also the SMP-HOWTO available at 272803502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27291da177e4SLinus Torvalds 27301da177e4SLinus Torvalds If you don't know what to do here, say N. 27311da177e4SLinus Torvalds 27327840d618SMatt Redfearnconfig HOTPLUG_CPU 27337840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27347840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27357840d618SMatt Redfearn help 27367840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27377840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27387840d618SMatt Redfearn (Note: power management support will enable this option 27397840d618SMatt Redfearn automatically on SMP systems. ) 27407840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27417840d618SMatt Redfearn 274287353d8aSRalf Baechleconfig SMP_UP 274387353d8aSRalf Baechle bool 274487353d8aSRalf Baechle 27454a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27464a16ff4cSRalf Baechle bool 27474a16ff4cSRalf Baechle 27480ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27490ee958e1SPaul Burton bool 27500ee958e1SPaul Burton 2751e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2752e73ea273SRalf Baechle bool 2753e73ea273SRalf Baechle 2754130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2755130e2fb7SRalf Baechle bool 2756130e2fb7SRalf Baechle 2757130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2758130e2fb7SRalf Baechle bool 2759130e2fb7SRalf Baechle 2760130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2761130e2fb7SRalf Baechle bool 2762130e2fb7SRalf Baechle 2763130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2764130e2fb7SRalf Baechle bool 2765130e2fb7SRalf Baechle 2766130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2767130e2fb7SRalf Baechle bool 2768130e2fb7SRalf Baechle 27691da177e4SLinus Torvaldsconfig NR_CPUS 2770a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2771a91796a9SJayachandran C range 2 256 27721da177e4SLinus Torvalds depends on SMP 2773130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2774130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2775130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2776130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2777130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27781da177e4SLinus Torvalds help 27791da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27801da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27811da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 278272ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 278372ede9b1SAtsushi Nemoto and 2 for all others. 27841da177e4SLinus Torvalds 27851da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 278672ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 278772ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 278872ede9b1SAtsushi Nemoto power of two. 27891da177e4SLinus Torvalds 2790399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2791399aaa25SAl Cooper bool 2792399aaa25SAl Cooper 27937820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27947820b84bSDavid Daney bool 27957820b84bSDavid Daney 27967820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27977820b84bSDavid Daney int 27987820b84bSDavid Daney depends on SMP 27997820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28007820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28017820b84bSDavid Daney 28021723b4a3SAtsushi Nemoto# 28031723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28041723b4a3SAtsushi Nemoto# 28051723b4a3SAtsushi Nemoto 28061723b4a3SAtsushi Nemotochoice 28071723b4a3SAtsushi Nemoto prompt "Timer frequency" 28081723b4a3SAtsushi Nemoto default HZ_250 28091723b4a3SAtsushi Nemoto help 28101723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28111723b4a3SAtsushi Nemoto 281267596573SPaul Burton config HZ_24 281367596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 281467596573SPaul Burton 28151723b4a3SAtsushi Nemoto config HZ_48 28160f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28171723b4a3SAtsushi Nemoto 28181723b4a3SAtsushi Nemoto config HZ_100 28191723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28201723b4a3SAtsushi Nemoto 28211723b4a3SAtsushi Nemoto config HZ_128 28221723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28231723b4a3SAtsushi Nemoto 28241723b4a3SAtsushi Nemoto config HZ_250 28251723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28261723b4a3SAtsushi Nemoto 28271723b4a3SAtsushi Nemoto config HZ_256 28281723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28291723b4a3SAtsushi Nemoto 28301723b4a3SAtsushi Nemoto config HZ_1000 28311723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28321723b4a3SAtsushi Nemoto 28331723b4a3SAtsushi Nemoto config HZ_1024 28341723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28351723b4a3SAtsushi Nemoto 28361723b4a3SAtsushi Nemotoendchoice 28371723b4a3SAtsushi Nemoto 283867596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 283967596573SPaul Burton bool 284067596573SPaul Burton 28411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28421723b4a3SAtsushi Nemoto bool 28431723b4a3SAtsushi Nemoto 28441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28451723b4a3SAtsushi Nemoto bool 28461723b4a3SAtsushi Nemoto 28471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28481723b4a3SAtsushi Nemoto bool 28491723b4a3SAtsushi Nemoto 28501723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 28511723b4a3SAtsushi Nemoto bool 28521723b4a3SAtsushi Nemoto 28531723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 28541723b4a3SAtsushi Nemoto bool 28551723b4a3SAtsushi Nemoto 28561723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 28571723b4a3SAtsushi Nemoto bool 28581723b4a3SAtsushi Nemoto 28591723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 28601723b4a3SAtsushi Nemoto bool 28611723b4a3SAtsushi Nemoto 28621723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 28631723b4a3SAtsushi Nemoto bool 286467596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 286567596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 286667596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 286767596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 286867596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 286967596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 287067596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28711723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28721723b4a3SAtsushi Nemoto 28731723b4a3SAtsushi Nemotoconfig HZ 28741723b4a3SAtsushi Nemoto int 287567596573SPaul Burton default 24 if HZ_24 28761723b4a3SAtsushi Nemoto default 48 if HZ_48 28771723b4a3SAtsushi Nemoto default 100 if HZ_100 28781723b4a3SAtsushi Nemoto default 128 if HZ_128 28791723b4a3SAtsushi Nemoto default 250 if HZ_250 28801723b4a3SAtsushi Nemoto default 256 if HZ_256 28811723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28821723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28831723b4a3SAtsushi Nemoto 288496685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 288596685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 288696685b17SDeng-Cheng Zhu 2887ea6e942bSAtsushi Nemotoconfig KEXEC 28887d60717eSKees Cook bool "Kexec system call" 28892965faa5SDave Young select KEXEC_CORE 2890ea6e942bSAtsushi Nemoto help 2891ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2892ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28933dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2894ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2895ea6e942bSAtsushi Nemoto 289601dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2897ea6e942bSAtsushi Nemoto 2898ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2899ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2900bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2901bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2902bf220695SGeert Uytterhoeven made. 2903ea6e942bSAtsushi Nemoto 29047aa1c8f4SRalf Baechleconfig CRASH_DUMP 29057aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29067aa1c8f4SRalf Baechle help 29077aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29087aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29097aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29107aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29117aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29127aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29137aa1c8f4SRalf Baechle PHYSICAL_START. 29147aa1c8f4SRalf Baechle 29157aa1c8f4SRalf Baechleconfig PHYSICAL_START 29167aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29178bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29187aa1c8f4SRalf Baechle depends on CRASH_DUMP 29197aa1c8f4SRalf Baechle help 29207aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29217aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29227aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29237aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29247aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29257aa1c8f4SRalf Baechle 2926ea6e942bSAtsushi Nemotoconfig SECCOMP 2927ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2928293c5bd1SRalf Baechle depends on PROC_FS 2929ea6e942bSAtsushi Nemoto default y 2930ea6e942bSAtsushi Nemoto help 2931ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2932ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2933ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2934ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2935ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2936ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2937ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2938ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2939ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2940ea6e942bSAtsushi Nemoto 2941ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2942ea6e942bSAtsushi Nemoto 2943597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2944b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2945597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2946597ce172SPaul Burton help 2947597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2948597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2949597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2950597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2951597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2952597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2953597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2954597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2955597ce172SPaul Burton saying N here. 2956597ce172SPaul Burton 295706e2e882SPaul Burton Although binutils currently supports use of this flag the details 295806e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 295906e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 296006e2e882SPaul Burton behaviour before the details have been finalised, this option should 296106e2e882SPaul Burton be considered experimental and only enabled by those working upon 296206e2e882SPaul Burton said details. 296306e2e882SPaul Burton 296406e2e882SPaul Burton If unsure, say N. 2965597ce172SPaul Burton 2966f2ffa5abSDezhong Diaoconfig USE_OF 29670b3e06fdSJonas Gorski bool 2968f2ffa5abSDezhong Diao select OF 2969e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2970abd2363fSGrant Likely select IRQ_DOMAIN 2971f2ffa5abSDezhong Diao 29722fe8ea39SDengcheng Zhuconfig UHI_BOOT 29732fe8ea39SDengcheng Zhu bool 29742fe8ea39SDengcheng Zhu 29757fafb068SAndrew Brestickerconfig BUILTIN_DTB 29767fafb068SAndrew Bresticker bool 29777fafb068SAndrew Bresticker 29781da8f179SJonas Gorskichoice 29795b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29801da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29811da8f179SJonas Gorski 29821da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29831da8f179SJonas Gorski bool "None" 29841da8f179SJonas Gorski help 29851da8f179SJonas Gorski Do not enable appended dtb support. 29861da8f179SJonas Gorski 298787db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 298887db537dSAaro Koskinen bool "vmlinux" 298987db537dSAaro Koskinen help 299087db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 299187db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 299287db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 299387db537dSAaro Koskinen objcopy: 299487db537dSAaro Koskinen 299587db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 299687db537dSAaro Koskinen 299787db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 299887db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 299987db537dSAaro Koskinen the documented boot protocol using a device tree. 300087db537dSAaro Koskinen 30011da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3002b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30031da8f179SJonas Gorski help 30041da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3005b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30061da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30071da8f179SJonas Gorski 30081da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30091da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30101da8f179SJonas Gorski the documented boot protocol using a device tree. 30111da8f179SJonas Gorski 30121da8f179SJonas Gorski Beware that there is very little in terms of protection against 30131da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30141da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30151da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30161da8f179SJonas Gorski if you don't intend to always append a DTB. 30171da8f179SJonas Gorskiendchoice 30181da8f179SJonas Gorski 30192024972eSJonas Gorskichoice 30202024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30212bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30223f5f0a44SPaul Burton !MIPS_MALTA && \ 30232bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30242024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30252024972eSJonas Gorski 30262024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30272024972eSJonas Gorski depends on USE_OF 30282024972eSJonas Gorski bool "Dtb kernel arguments if available" 30292024972eSJonas Gorski 30302024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30312024972eSJonas Gorski depends on USE_OF 30322024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30332024972eSJonas Gorski 30342024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30352024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3036ed47e153SRabin Vincent 3037ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3038ed47e153SRabin Vincent depends on CMDLINE_BOOL 3039ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30402024972eSJonas Gorskiendchoice 30412024972eSJonas Gorski 30425e83d430SRalf Baechleendmenu 30435e83d430SRalf Baechle 30441df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30451df0f0ffSAtsushi Nemoto bool 30461df0f0ffSAtsushi Nemoto default y 30471df0f0ffSAtsushi Nemoto 30481df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30491df0f0ffSAtsushi Nemoto bool 30501df0f0ffSAtsushi Nemoto default y 30511df0f0ffSAtsushi Nemoto 3052e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 3053e1e16115SAaro Koskinen bool 3054e1e16115SAaro Koskinen default y 3055e1e16115SAaro Koskinen 3056a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3057a728ab52SKirill A. Shutemov int 30583377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3059a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3060a728ab52SKirill A. Shutemov default 2 3061a728ab52SKirill A. Shutemov 30626c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30636c359eb1SPaul Burton bool 30646c359eb1SPaul Burton 30651da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30661da177e4SLinus Torvalds 3067c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 30682eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3069c5611df9SPaul Burton bool 3070c5611df9SPaul Burton 3071c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3072c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3073c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 30742eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 30751da177e4SLinus Torvalds 30761da177e4SLinus Torvalds# 30771da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30781da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30791da177e4SLinus Torvalds# users to choose the right thing ... 30801da177e4SLinus Torvalds# 30811da177e4SLinus Torvaldsconfig ISA 30821da177e4SLinus Torvalds bool 30831da177e4SLinus Torvalds 30841da177e4SLinus Torvaldsconfig TC 30851da177e4SLinus Torvalds bool "TURBOchannel support" 30861da177e4SLinus Torvalds depends on MACH_DECSTATION 30871da177e4SLinus Torvalds help 308850a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 308950a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 309050a23e6eSJustin P. Mattock at: 309150a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 309250a23e6eSJustin P. Mattock and: 309350a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 309450a23e6eSJustin P. Mattock Linux driver support status is documented at: 309550a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30961da177e4SLinus Torvalds 30971da177e4SLinus Torvaldsconfig MMU 30981da177e4SLinus Torvalds bool 30991da177e4SLinus Torvalds default y 31001da177e4SLinus Torvalds 3101109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3102109c32ffSMatt Redfearn default 12 if 64BIT 3103109c32ffSMatt Redfearn default 8 3104109c32ffSMatt Redfearn 3105109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3106109c32ffSMatt Redfearn default 18 if 64BIT 3107109c32ffSMatt Redfearn default 15 3108109c32ffSMatt Redfearn 3109109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3110109c32ffSMatt Redfearn default 8 3111109c32ffSMatt Redfearn 3112109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3113109c32ffSMatt Redfearn default 15 3114109c32ffSMatt Redfearn 3115d865bea4SRalf Baechleconfig I8253 3116d865bea4SRalf Baechle bool 3117798778b8SRussell King select CLKSRC_I8253 31182d02612fSThomas Gleixner select CLKEVT_I8253 31199726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3120d865bea4SRalf Baechle 3121e05eb3f8SRalf Baechleconfig ZONE_DMA 3122e05eb3f8SRalf Baechle bool 3123e05eb3f8SRalf Baechle 3124cce335aeSRalf Baechleconfig ZONE_DMA32 3125cce335aeSRalf Baechle bool 3126cce335aeSRalf Baechle 31271da177e4SLinus Torvaldsendmenu 31281da177e4SLinus Torvalds 31291da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31301da177e4SLinus Torvalds bool 31311da177e4SLinus Torvalds 31321da177e4SLinus Torvaldsconfig MIPS32_COMPAT 313378aaf956SRalf Baechle bool 31341da177e4SLinus Torvalds 31351da177e4SLinus Torvaldsconfig COMPAT 31361da177e4SLinus Torvalds bool 31371da177e4SLinus Torvalds 313805e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 313905e43966SAtsushi Nemoto bool 314005e43966SAtsushi Nemoto 31411da177e4SLinus Torvaldsconfig MIPS32_O32 31421da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 314378aaf956SRalf Baechle depends on 64BIT 314478aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 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 o32 binaries. These are pure 31501da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31511da177e4SLinus Torvalds existing binaries are in this format. 31521da177e4SLinus Torvalds 31531da177e4SLinus Torvalds If unsure, say Y. 31541da177e4SLinus Torvalds 31551da177e4SLinus Torvaldsconfig MIPS32_N32 31561da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3157c22eacfeSRalf Baechle depends on 64BIT 3158*5a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 315978aaf956SRalf Baechle select COMPAT 316078aaf956SRalf Baechle select MIPS32_COMPAT 316178aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31621da177e4SLinus Torvalds help 31631da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31641da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31651da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31661da177e4SLinus Torvalds cases. 31671da177e4SLinus Torvalds 31681da177e4SLinus Torvalds If unsure, say N. 31691da177e4SLinus Torvalds 31701da177e4SLinus Torvaldsconfig BINFMT_ELF32 31711da177e4SLinus Torvalds bool 31721da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3173f43edca7SRalf Baechle select ELFCORE 31741da177e4SLinus Torvalds 31752116245eSRalf Baechlemenu "Power management options" 3176952fa954SRodolfo Giometti 3177363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3178363c55caSWu Zhangjin def_bool y 31793f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3180363c55caSWu Zhangjin 3181f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3182f4cb5700SJohannes Berg def_bool y 31833f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3184f4cb5700SJohannes Berg 31852116245eSRalf Baechlesource "kernel/power/Kconfig" 3186952fa954SRodolfo Giometti 31871da177e4SLinus Torvaldsendmenu 31881da177e4SLinus Torvalds 31897a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31907a998935SViresh Kumar bool 31917a998935SViresh Kumar 31927a998935SViresh Kumarmenu "CPU Power Management" 3193c095ebafSPaul Burton 3194c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31957a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31967a998935SViresh Kumarendif 31979726b43aSWu Zhangjin 3198c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3199c095ebafSPaul Burton 3200c095ebafSPaul Burtonendmenu 3201c095ebafSPaul Burton 320298cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 320398cdee0eSRalf Baechle 32042235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3205