1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvaldsconfig MIPS 31da177e4SLinus Torvalds bool 41da177e4SLinus Torvalds default y 512597988SMatt Redfearn select ARCH_BINFMT_ELF_STATE 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 1012597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 111ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1212597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1325da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 140b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 1512597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1612597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 1712597988SMatt Redfearn select CLONE_BACKWARDS 1812597988SMatt Redfearn select CPU_PM if CPU_IDLE 1912597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2012597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2112597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2212597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 2312597988SMatt Redfearn select GENERIC_IRQ_PROBE 2412597988SMatt Redfearn select GENERIC_IRQ_SHOW 2512597988SMatt Redfearn select GENERIC_PCI_IOMAP 2612597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 2712597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 2812597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 2912597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 3012597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 3188547001SJason Wessel select HAVE_ARCH_KGDB 32109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 33109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 34490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 35c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 3612597988SMatt Redfearn select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 37f381bf6dSDavid Daney select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS) 38f381bf6dSDavid Daney select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS) 3912597988SMatt Redfearn select HAVE_CC_STACKPROTECTOR 4012597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 4112597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 4264575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 4312597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 4412597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 4512597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 4612597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 4712597988SMatt Redfearn select HAVE_EXIT_THREAD 4812597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 4929c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 5012597988SMatt Redfearn select HAVE_FUNCTION_TRACER 5112597988SMatt Redfearn select HAVE_GENERIC_DMA_COHERENT 5212597988SMatt Redfearn select HAVE_IDE 5312597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 5412597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 55c1bf207dSDavid Daney select HAVE_KPROBES 56c1bf207dSDavid Daney select HAVE_KRETPROBES 579d15ffc8STejun Heo select HAVE_MEMBLOCK 589d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 59786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 6042a0bb3fSPetr Mladek select HAVE_NMI 6112597988SMatt Redfearn select HAVE_OPROFILE 6212597988SMatt Redfearn select HAVE_PERF_EVENTS 6308bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 6412597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 65a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 6612597988SMatt Redfearn select IRQ_FORCED_THREADING 6712597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 6812597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 6912597988SMatt Redfearn select PERF_USE_VMALLOC 7012597988SMatt Redfearn select RTC_LIB if !MACH_LOONGSON64 7112597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 7212597988SMatt Redfearn select VIRT_TO_BUS 731da177e4SLinus Torvalds 741da177e4SLinus Torvaldsmenu "Machine selection" 751da177e4SLinus Torvalds 765e83d430SRalf Baechlechoice 775e83d430SRalf Baechle prompt "System type" 78d41e6858SMatt Redfearn default MIPS_GENERIC 791da177e4SLinus Torvalds 80eed0eabdSPaul Burtonconfig MIPS_GENERIC 81eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 82eed0eabdSPaul Burton select BOOT_RAW 83eed0eabdSPaul Burton select BUILTIN_DTB 84eed0eabdSPaul Burton select CEVT_R4K 85eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 86eed0eabdSPaul Burton select COMMON_CLK 87eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 88eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 89eed0eabdSPaul Burton select CSRC_R4K 90eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 91eed0eabdSPaul Burton select HW_HAS_PCI 92eed0eabdSPaul Burton select IRQ_MIPS_CPU 93eed0eabdSPaul Burton select LIBFDT 94eed0eabdSPaul Burton select MIPS_CPU_SCACHE 95eed0eabdSPaul Burton select MIPS_GIC 96eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 97eed0eabdSPaul Burton select NO_EXCEPT_FILL 98eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 99eed0eabdSPaul Burton select PINCTRL 100eed0eabdSPaul Burton select SMP_UP if SMP 101a3078e59SMatt Redfearn select SWAP_IO_SPACE 102eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 103eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 104eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 105eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 106eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 107eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 108eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 109eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 110eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 111eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 112eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 113eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 114eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 115eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 116eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 117eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 118eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1192e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1202e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1212e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1222e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1232e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1242e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 125eed0eabdSPaul Burton select USE_OF 126eed0eabdSPaul Burton help 127eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 128eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 129eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 130eed0eabdSPaul Burton Interface) specification. 131eed0eabdSPaul Burton 13242a4f17dSManuel Laussconfig MIPS_ALCHEMY 133c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 134*d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 135f772cdb2SRalf Baechle select CEVT_R4K 136d7ea335cSSteven J. Hill select CSRC_R4K 13767e38cf2SRalf Baechle select IRQ_MIPS_CPU 13888e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 13942a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 14042a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 14142a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 142d30a2b47SLinus Walleij select GPIOLIB 1431b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 14447440229SManuel Lauss select COMMON_CLK 1451da177e4SLinus Torvalds 1467ca5dc14SFlorian Fainelliconfig AR7 1477ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1487ca5dc14SFlorian Fainelli select BOOT_ELF32 1497ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1507ca5dc14SFlorian Fainelli select CEVT_R4K 1517ca5dc14SFlorian Fainelli select CSRC_R4K 15267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1537ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1547ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1557ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1567ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1577ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1587ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 159377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1601b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 161d30a2b47SLinus Walleij select GPIOLIB 1627ca5dc14SFlorian Fainelli select VLYNQ 1638551fb64SYoichi Yuasa select HAVE_CLK 1647ca5dc14SFlorian Fainelli help 1657ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1667ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1677ca5dc14SFlorian Fainelli 16843cc739fSSergey Ryazanovconfig ATH25 16943cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 17043cc739fSSergey Ryazanov select CEVT_R4K 17143cc739fSSergey Ryazanov select CSRC_R4K 17243cc739fSSergey Ryazanov select DMA_NONCOHERENT 17367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1741753e74eSSergey Ryazanov select IRQ_DOMAIN 17543cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 17643cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 17743cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1788aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 17943cc739fSSergey Ryazanov help 18043cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 18143cc739fSSergey Ryazanov 182d4a67d9dSGabor Juhosconfig ATH79 183d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 184ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 185d4a67d9dSGabor Juhos select BOOT_RAW 186d4a67d9dSGabor Juhos select CEVT_R4K 187d4a67d9dSGabor Juhos select CSRC_R4K 188d4a67d9dSGabor Juhos select DMA_NONCOHERENT 189d30a2b47SLinus Walleij select GPIOLIB 19094638067SGabor Juhos select HAVE_CLK 191411520afSAlban Bedel select COMMON_CLK 1922c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 19367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1940aabf1a4SGabor Juhos select MIPS_MACHINE 195d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 196d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 197d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 198d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 199377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 200b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 20103c8c407SAlban Bedel select USE_OF 20253d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 203d4a67d9dSGabor Juhos help 204d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 205d4a67d9dSGabor Juhos 2065f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2075f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 208d666cd02SKevin Cernekee select BOOT_RAW 209d666cd02SKevin Cernekee select NO_EXCEPT_FILL 210d666cd02SKevin Cernekee select USE_OF 211d666cd02SKevin Cernekee select CEVT_R4K 212d666cd02SKevin Cernekee select CSRC_R4K 213d666cd02SKevin Cernekee select SYNC_R4K 214d666cd02SKevin Cernekee select COMMON_CLK 215c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 21660b858f2SKevin Cernekee select BCM7038_L1_IRQ 21760b858f2SKevin Cernekee select BCM7120_L2_IRQ 21860b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 21967e38cf2SRalf Baechle select IRQ_MIPS_CPU 22060b858f2SKevin Cernekee select DMA_NONCOHERENT 221d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 22260b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 223d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 224d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 22560b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 22660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 22760b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 228d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 229d666cd02SKevin Cernekee select SWAP_IO_SPACE 23060b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 23160b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 23260b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 23360b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2344dc4704cSJustin Chen select HARDIRQS_SW_RESEND 235d666cd02SKevin Cernekee help 2365f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2375f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2385f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2395f2d4459SKevin Cernekee must be set appropriately for your board. 240d666cd02SKevin Cernekee 2411c0c13ebSAurelien Jarnoconfig BCM47XX 242c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 243fe08f8c2SHauke Mehrtens select BOOT_RAW 24442f77542SRalf Baechle select CEVT_R4K 245940f6b48SRalf Baechle select CSRC_R4K 2461c0c13ebSAurelien Jarno select DMA_NONCOHERENT 2471c0c13ebSAurelien Jarno select HW_HAS_PCI 24867e38cf2SRalf Baechle select IRQ_MIPS_CPU 249314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 250dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2511c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2521c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 253377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2546507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 25525e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 256e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 257c949c0bcSRafał Miłecki select GPIOLIB 258c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 259f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2602ab71a02SRafał Miłecki select BCM47XX_SPROM 261dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2621c0c13ebSAurelien Jarno help 2631c0c13ebSAurelien Jarno Support for BCM47XX based boards 2641c0c13ebSAurelien Jarno 265e7300d04SMaxime Bizonconfig BCM63XX 266e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 267ae8de61cSFlorian Fainelli select BOOT_RAW 268e7300d04SMaxime Bizon select CEVT_R4K 269e7300d04SMaxime Bizon select CSRC_R4K 270fc264022SJonas Gorski select SYNC_R4K 271e7300d04SMaxime Bizon select DMA_NONCOHERENT 27267e38cf2SRalf Baechle select IRQ_MIPS_CPU 273e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 274e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 275e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 276e7300d04SMaxime Bizon select SWAP_IO_SPACE 277d30a2b47SLinus Walleij select GPIOLIB 2783e82eeebSYoichi Yuasa select HAVE_CLK 279af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 280c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 281e7300d04SMaxime Bizon help 282e7300d04SMaxime Bizon Support for BCM63XX based boards 283e7300d04SMaxime Bizon 2841da177e4SLinus Torvaldsconfig MIPS_COBALT 2853fa986faSMartin Michlmayr bool "Cobalt Server" 28642f77542SRalf Baechle select CEVT_R4K 287940f6b48SRalf Baechle select CSRC_R4K 2881097c6acSYoichi Yuasa select CEVT_GT641XX 2891da177e4SLinus Torvalds select DMA_NONCOHERENT 2901da177e4SLinus Torvalds select HW_HAS_PCI 291d865bea4SRalf Baechle select I8253 2921da177e4SLinus Torvalds select I8259 29367e38cf2SRalf Baechle select IRQ_MIPS_CPU 294d5ab1a69SYoichi Yuasa select IRQ_GT641XX 295252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 296e25bfc92SYoichi Yuasa select PCI 2977cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2980a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 299ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3000e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3015e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 302e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3031da177e4SLinus Torvalds 3041da177e4SLinus Torvaldsconfig MACH_DECSTATION 3053fa986faSMartin Michlmayr bool "DECstations" 3061da177e4SLinus Torvalds select BOOT_ELF32 3076457d9fcSYoichi Yuasa select CEVT_DS1287 30881d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3094247417dSYoichi Yuasa select CSRC_IOASIC 31081d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 31120d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 31220d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 31320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3141da177e4SLinus Torvalds select DMA_NONCOHERENT 315ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 31667e38cf2SRalf Baechle select IRQ_MIPS_CPU 3177cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3187cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 319ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3207d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3215e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3221723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3231723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3241723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 325930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3265e83d430SRalf Baechle help 3271da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3281da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3291da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3301da177e4SLinus Torvalds 3311da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3321da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds DECstation 5000/50 3351da177e4SLinus Torvalds DECstation 5000/150 3361da177e4SLinus Torvalds DECstation 5000/260 3371da177e4SLinus Torvalds DECsystem 5900/260 3381da177e4SLinus Torvalds 3391da177e4SLinus Torvalds otherwise choose R3000. 3401da177e4SLinus Torvalds 3415e83d430SRalf Baechleconfig MACH_JAZZ 3423fa986faSMartin Michlmayr bool "Jazz family of machines" 343a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3447a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3450e2794b0SRalf Baechle select FW_ARC 3460e2794b0SRalf Baechle select FW_ARC32 3475e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 34842f77542SRalf Baechle select CEVT_R4K 349940f6b48SRalf Baechle select CSRC_R4K 350e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3515e83d430SRalf Baechle select GENERIC_ISA_DMA 3528a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 35367e38cf2SRalf Baechle select IRQ_MIPS_CPU 354d865bea4SRalf Baechle select I8253 3555e83d430SRalf Baechle select I8259 3565e83d430SRalf Baechle select ISA 3577cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3585e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3597d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3601723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3611da177e4SLinus Torvalds help 3625e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3635e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 364692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3655e83d430SRalf Baechle Olivetti M700-10 workstations. 3665e83d430SRalf Baechle 367de361e8bSPaul Burtonconfig MACH_INGENIC 368de361e8bSPaul Burton bool "Ingenic SoC based machines" 3695ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3705ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 371f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3725ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 37367e38cf2SRalf Baechle select IRQ_MIPS_CPU 37437b4c3caSPaul Cercueil select PINCTRL 375d30a2b47SLinus Walleij select GPIOLIB 376ff1930c6SPaul Burton select COMMON_CLK 37783bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 378ffb1843dSPaul Burton select BUILTIN_DTB 379ffb1843dSPaul Burton select USE_OF 3806ec127fbSPaul Burton select LIBFDT 3815ebabe59SLars-Peter Clausen 382171bb2f1SJohn Crispinconfig LANTIQ 383171bb2f1SJohn Crispin bool "Lantiq based platforms" 384171bb2f1SJohn Crispin select DMA_NONCOHERENT 38567e38cf2SRalf Baechle select IRQ_MIPS_CPU 386171bb2f1SJohn Crispin select CEVT_R4K 387171bb2f1SJohn Crispin select CSRC_R4K 388171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 389171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 390171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 391171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 392377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 393171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 394f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 395171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 396d30a2b47SLinus Walleij select GPIOLIB 397171bb2f1SJohn Crispin select SWAP_IO_SPACE 398171bb2f1SJohn Crispin select BOOT_RAW 399287e3f3fSJohn Crispin select CLKDEV_LOOKUP 400a0392222SJohn Crispin select USE_OF 4013f8c50c9SJohn Crispin select PINCTRL 4023f8c50c9SJohn Crispin select PINCTRL_LANTIQ 403c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 404c530781cSJohn Crispin select RESET_CONTROLLER 405171bb2f1SJohn Crispin 4061f21d2bdSBrian Murphyconfig LASAT 4071f21d2bdSBrian Murphy bool "LASAT Networks platforms" 40842f77542SRalf Baechle select CEVT_R4K 40916f0bbbcSRalf Baechle select CRC32 410940f6b48SRalf Baechle select CSRC_R4K 4111f21d2bdSBrian Murphy select DMA_NONCOHERENT 4121f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 4131f21d2bdSBrian Murphy select HW_HAS_PCI 41467e38cf2SRalf Baechle select IRQ_MIPS_CPU 4151f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4161f21d2bdSBrian Murphy select MIPS_NILE4 4171f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4181f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4191f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4201f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4211f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4221f21d2bdSBrian Murphy 42330ad29bbSHuacai Chenconfig MACH_LOONGSON32 42430ad29bbSHuacai Chen bool "Loongson-1 family of machines" 425c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 426ade299d8SYoichi Yuasa help 42730ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 42885749d24SWu Zhangjin 42930ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 43030ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 43130ad29bbSHuacai Chen Sciences (CAS). 432ade299d8SYoichi Yuasa 43330ad29bbSHuacai Chenconfig MACH_LOONGSON64 43430ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 435ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 436ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 437ca585cf9SKelvin Cheung help 43830ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 439ca585cf9SKelvin Cheung 44030ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 44130ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 44230ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 44330ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 44430ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 44530ad29bbSHuacai Chen Weiwu Hu. 446ca585cf9SKelvin Cheung 4476a438309SAndrew Brestickerconfig MACH_PISTACHIO 4486a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4496a438309SAndrew Bresticker select BOOT_ELF32 4506a438309SAndrew Bresticker select BOOT_RAW 4516a438309SAndrew Bresticker select CEVT_R4K 4526a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4536a438309SAndrew Bresticker select COMMON_CLK 4546a438309SAndrew Bresticker select CSRC_R4K 455645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 456d30a2b47SLinus Walleij select GPIOLIB 45767e38cf2SRalf Baechle select IRQ_MIPS_CPU 4586a438309SAndrew Bresticker select LIBFDT 4596a438309SAndrew Bresticker select MFD_SYSCON 4606a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4616a438309SAndrew Bresticker select MIPS_GIC 4626a438309SAndrew Bresticker select PINCTRL 4636a438309SAndrew Bresticker select REGULATOR 4646a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4656a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4666a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4676a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4686a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 46941cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4706a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 471018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 472018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4736a438309SAndrew Bresticker select USE_OF 4746a438309SAndrew Bresticker help 4756a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4766a438309SAndrew Bresticker 4771da177e4SLinus Torvaldsconfig MIPS_MALTA 4783fa986faSMartin Michlmayr bool "MIPS Malta board" 47961ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 480a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4817a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4821da177e4SLinus Torvalds select BOOT_ELF32 483fa71c960SRalf Baechle select BOOT_RAW 484e8823d26SPaul Burton select BUILTIN_DTB 48542f77542SRalf Baechle select CEVT_R4K 486940f6b48SRalf Baechle select CSRC_R4K 487fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 48842b002abSGuenter Roeck select COMMON_CLK 489885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 4901da177e4SLinus Torvalds select GENERIC_ISA_DMA 4918a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 49267e38cf2SRalf Baechle select IRQ_MIPS_CPU 4938a19b8f1SAndrew Bresticker select MIPS_GIC 4941da177e4SLinus Torvalds select HW_HAS_PCI 495d865bea4SRalf Baechle select I8253 4961da177e4SLinus Torvalds select I8259 4975e83d430SRalf Baechle select MIPS_BONITO64 4989318c51aSChris Dearman select MIPS_CPU_SCACHE 499a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 500252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 5015e83d430SRalf Baechle select MIPS_MSC 502ecafe3e9SPaul Burton select SMP_UP if SMP 5031da177e4SLinus Torvalds select SWAP_IO_SPACE 5047cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5057cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 506bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 507c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 508575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5097cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5105d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 511575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5127cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5137cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 514ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 515ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5165e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 517c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5185e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 519424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 5200365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 521e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 522377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 523f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 5249693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 525f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5261b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 5278c530ea3SMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 528e8823d26SPaul Burton select USE_OF 52938ec82feSPaul Burton select LIBFDT 530abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 531e81a8c7dSPaul Burton select BUILTIN_DTB 532e81a8c7dSPaul Burton select LIBFDT 5331da177e4SLinus Torvalds help 534f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5351da177e4SLinus Torvalds board. 5361da177e4SLinus Torvalds 5372572f00dSJoshua Hendersonconfig MACH_PIC32 5382572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5392572f00dSJoshua Henderson help 5402572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5412572f00dSJoshua Henderson 5422572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5432572f00dSJoshua Henderson microcontrollers. 5442572f00dSJoshua Henderson 545a83860c2SRalf Baechleconfig NEC_MARKEINS 546a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 547a83860c2SRalf Baechle select SOC_EMMA2RH 548a83860c2SRalf Baechle select HW_HAS_PCI 549a83860c2SRalf Baechle help 550a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 551ade299d8SYoichi Yuasa 5525e83d430SRalf Baechleconfig MACH_VR41XX 55374142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 55442f77542SRalf Baechle select CEVT_R4K 555940f6b48SRalf Baechle select CSRC_R4K 5567cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 557377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 558d30a2b47SLinus Walleij select GPIOLIB 5595e83d430SRalf Baechle 560edb6310aSDaniel Lairdconfig NXP_STB220 561edb6310aSDaniel Laird bool "NXP STB220 board" 562edb6310aSDaniel Laird select SOC_PNX833X 563edb6310aSDaniel Laird help 564edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 565edb6310aSDaniel Laird 566edb6310aSDaniel Lairdconfig NXP_STB225 567edb6310aSDaniel Laird bool "NXP 225 board" 568edb6310aSDaniel Laird select SOC_PNX833X 569edb6310aSDaniel Laird select SOC_PNX8335 570edb6310aSDaniel Laird help 571edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 572edb6310aSDaniel Laird 5739267a30dSMarc St-Jeanconfig PMC_MSP 5749267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 57539d30c13SAnoop P A select CEVT_R4K 57639d30c13SAnoop P A select CSRC_R4K 5779267a30dSMarc St-Jean select DMA_NONCOHERENT 5789267a30dSMarc St-Jean select SWAP_IO_SPACE 5799267a30dSMarc St-Jean select NO_EXCEPT_FILL 5809267a30dSMarc St-Jean select BOOT_RAW 5819267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5829267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5839267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5849267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 585377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 58667e38cf2SRalf Baechle select IRQ_MIPS_CPU 5879267a30dSMarc St-Jean select SERIAL_8250 5889267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5899296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5909296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5919267a30dSMarc St-Jean help 5929267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 5939267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 5949267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 5959267a30dSMarc St-Jean a variety of MIPS cores. 5969267a30dSMarc St-Jean 597ae2b5bb6SJohn Crispinconfig RALINK 598ae2b5bb6SJohn Crispin bool "Ralink based machines" 599ae2b5bb6SJohn Crispin select CEVT_R4K 600ae2b5bb6SJohn Crispin select CSRC_R4K 601ae2b5bb6SJohn Crispin select BOOT_RAW 602ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 60367e38cf2SRalf Baechle select IRQ_MIPS_CPU 604ae2b5bb6SJohn Crispin select USE_OF 605ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 606ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 607ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 608ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 609377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 610ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 611ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6122a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6132a153f1cSJohn Crispin select RESET_CONTROLLER 614ae2b5bb6SJohn Crispin 6151da177e4SLinus Torvaldsconfig SGI_IP22 6163fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6170e2794b0SRalf Baechle select FW_ARC 6180e2794b0SRalf Baechle select FW_ARC32 6197a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6201da177e4SLinus Torvalds select BOOT_ELF32 62142f77542SRalf Baechle select CEVT_R4K 622940f6b48SRalf Baechle select CSRC_R4K 623e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6241da177e4SLinus Torvalds select DMA_NONCOHERENT 6255e83d430SRalf Baechle select HW_HAS_EISA 626d865bea4SRalf Baechle select I8253 62768de4803SThomas Bogendoerfer select I8259 6281da177e4SLinus Torvalds select IP22_CPU_SCACHE 62967e38cf2SRalf Baechle select IRQ_MIPS_CPU 630aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 631e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 632e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 63336e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 634e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 635e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 636e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6371da177e4SLinus Torvalds select SWAP_IO_SPACE 6387cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6397cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6402b5e63f6SMartin Michlmayr # 6412b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6422b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6432b5e63f6SMartin Michlmayr # 6442b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6452b5e63f6SMartin Michlmayr # for a more details discussion 6462b5e63f6SMartin Michlmayr # 6472b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 648ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 649ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6505e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 651930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6521da177e4SLinus Torvalds help 6531da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6541da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6551da177e4SLinus Torvalds that runs on these, say Y here. 6561da177e4SLinus Torvalds 6571da177e4SLinus Torvaldsconfig SGI_IP27 6583fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6590e2794b0SRalf Baechle select FW_ARC 6600e2794b0SRalf Baechle select FW_ARC64 6615e83d430SRalf Baechle select BOOT_ELF64 662e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 663634286f1SRalf Baechle select DMA_COHERENT 66436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6651da177e4SLinus Torvalds select HW_HAS_PCI 666130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6677cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 668ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6695e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 670d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6711a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 672930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6731da177e4SLinus Torvalds help 6741da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6751da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6761da177e4SLinus Torvalds here. 6771da177e4SLinus Torvalds 678e2defae5SThomas Bogendoerferconfig SGI_IP28 6797d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6800e2794b0SRalf Baechle select FW_ARC 6810e2794b0SRalf Baechle select FW_ARC64 6827a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 683e2defae5SThomas Bogendoerfer select BOOT_ELF64 684e2defae5SThomas Bogendoerfer select CEVT_R4K 685e2defae5SThomas Bogendoerfer select CSRC_R4K 686e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 687e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 688e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 68967e38cf2SRalf Baechle select IRQ_MIPS_CPU 690e2defae5SThomas Bogendoerfer select HW_HAS_EISA 691e2defae5SThomas Bogendoerfer select I8253 692e2defae5SThomas Bogendoerfer select I8259 693e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 694e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 6955b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 696e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 697e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 698e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 699e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 700e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7012b5e63f6SMartin Michlmayr # 7022b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7032b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7042b5e63f6SMartin Michlmayr # 7052b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7062b5e63f6SMartin Michlmayr # for a more details discussion 7072b5e63f6SMartin Michlmayr # 7082b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 709e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 710e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 711dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 712e2defae5SThomas Bogendoerfer help 713e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 714e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 715e2defae5SThomas Bogendoerfer 7161da177e4SLinus Torvaldsconfig SGI_IP32 717cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 7180e2794b0SRalf Baechle select FW_ARC 7190e2794b0SRalf Baechle select FW_ARC32 7201da177e4SLinus Torvalds select BOOT_ELF32 72142f77542SRalf Baechle select CEVT_R4K 722940f6b48SRalf Baechle select CSRC_R4K 7231da177e4SLinus Torvalds select DMA_NONCOHERENT 7241da177e4SLinus Torvalds select HW_HAS_PCI 72567e38cf2SRalf Baechle select IRQ_MIPS_CPU 7261da177e4SLinus Torvalds select R5000_CPU_SCACHE 7271da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7287cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7297cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7307cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 731dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 732ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7335e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7341da177e4SLinus Torvalds help 7351da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7361da177e4SLinus Torvalds 737ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 738ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7395e83d430SRalf Baechle select BOOT_ELF32 7405e83d430SRalf Baechle select DMA_COHERENT 7415e83d430SRalf Baechle select SIBYTE_BCM1120 7425e83d430SRalf Baechle select SWAP_IO_SPACE 7437cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7445e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7455e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7465e83d430SRalf Baechle 747ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 748ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7495e83d430SRalf Baechle select BOOT_ELF32 7505e83d430SRalf Baechle select DMA_COHERENT 7515e83d430SRalf Baechle select SIBYTE_BCM1120 7525e83d430SRalf Baechle select SWAP_IO_SPACE 7537cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7545e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7555e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7565e83d430SRalf Baechle 7575e83d430SRalf Baechleconfig SIBYTE_CRHONE 7583fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7595e83d430SRalf Baechle select BOOT_ELF32 7605e83d430SRalf Baechle select DMA_COHERENT 7615e83d430SRalf Baechle select SIBYTE_BCM1125 7625e83d430SRalf Baechle select SWAP_IO_SPACE 7637cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7645e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7655e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7665e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7675e83d430SRalf Baechle 768ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 769ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 770ade299d8SYoichi Yuasa select BOOT_ELF32 771ade299d8SYoichi Yuasa select DMA_COHERENT 772ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 773ade299d8SYoichi Yuasa select SWAP_IO_SPACE 774ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 775ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 776ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 777ade299d8SYoichi Yuasa 778ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 779ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 780ade299d8SYoichi Yuasa select BOOT_ELF32 781ade299d8SYoichi Yuasa select DMA_COHERENT 782fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 783ade299d8SYoichi Yuasa select SIBYTE_SB1250 784ade299d8SYoichi Yuasa select SWAP_IO_SPACE 785ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 786ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 787ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 788ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 789cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 790ade299d8SYoichi Yuasa 791ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 792ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 793ade299d8SYoichi Yuasa select BOOT_ELF32 794ade299d8SYoichi Yuasa select DMA_COHERENT 795fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 796ade299d8SYoichi Yuasa select SIBYTE_SB1250 797ade299d8SYoichi Yuasa select SWAP_IO_SPACE 798ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 799ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 800ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 801ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 802ade299d8SYoichi Yuasa 803ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 804ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 805ade299d8SYoichi Yuasa select BOOT_ELF32 806ade299d8SYoichi Yuasa select DMA_COHERENT 807ade299d8SYoichi Yuasa select SIBYTE_SB1250 808ade299d8SYoichi Yuasa select SWAP_IO_SPACE 809ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 810ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 811ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 812ade299d8SYoichi Yuasa 813ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 814ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 815ade299d8SYoichi Yuasa select BOOT_ELF32 816ade299d8SYoichi Yuasa select DMA_COHERENT 817ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 818ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 819ade299d8SYoichi Yuasa select SWAP_IO_SPACE 820ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 821ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 822651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 823ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 824cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 825ade299d8SYoichi Yuasa 82614b36af4SThomas Bogendoerferconfig SNI_RM 82714b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8280e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8290e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 830aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8315e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 832a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8337a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8345e83d430SRalf Baechle select BOOT_ELF32 83542f77542SRalf Baechle select CEVT_R4K 836940f6b48SRalf Baechle select CSRC_R4K 837e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8385e83d430SRalf Baechle select DMA_NONCOHERENT 8395e83d430SRalf Baechle select GENERIC_ISA_DMA 8408a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8415e83d430SRalf Baechle select HW_HAS_EISA 8425e83d430SRalf Baechle select HW_HAS_PCI 84367e38cf2SRalf Baechle select IRQ_MIPS_CPU 844d865bea4SRalf Baechle select I8253 8455e83d430SRalf Baechle select I8259 8465e83d430SRalf Baechle select ISA 8474a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8487cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8494a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 850c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8514a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 85236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 853ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8547d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8554a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8565e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8575e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8581da177e4SLinus Torvalds help 85914b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 86014b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8615e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8625e83d430SRalf Baechle support this machine type. 8631da177e4SLinus Torvalds 864edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 865edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8665e83d430SRalf Baechle 867edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 868edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 86923fbee9dSRalf Baechle 87073b4390fSRalf Baechleconfig MIKROTIK_RB532 87173b4390fSRalf Baechle bool "Mikrotik RB532 boards" 87273b4390fSRalf Baechle select CEVT_R4K 87373b4390fSRalf Baechle select CSRC_R4K 87473b4390fSRalf Baechle select DMA_NONCOHERENT 87573b4390fSRalf Baechle select HW_HAS_PCI 87667e38cf2SRalf Baechle select IRQ_MIPS_CPU 87773b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 87873b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 87973b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 88073b4390fSRalf Baechle select SWAP_IO_SPACE 88173b4390fSRalf Baechle select BOOT_RAW 882d30a2b47SLinus Walleij select GPIOLIB 883930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 88473b4390fSRalf Baechle help 88573b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 88673b4390fSRalf Baechle based on the IDT RC32434 SoC. 88773b4390fSRalf Baechle 8889ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8899ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 890a86c7f72SDavid Daney select CEVT_R4K 891ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 892*d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 893a86c7f72SDavid Daney select DMA_COHERENT 894a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 895a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 896f65aad41SRalf Baechle select EDAC_SUPPORT 897b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 89873569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 89973569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 900a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9015e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 902e8635b48SDavid Daney select HW_HAS_PCI 903f00e001eSDavid Daney select ZONE_DMA32 904465aaed0SDavid Daney select HOLES_IN_ZONE 905d30a2b47SLinus Walleij select GPIOLIB 9066e511163SDavid Daney select LIBFDT 9076e511163SDavid Daney select USE_OF 9086e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9096e511163SDavid Daney select SYS_SUPPORTS_SMP 9107820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9117820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 912e326479fSAndrew Bresticker select BUILTIN_DTB 9138c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 9143ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 915a86c7f72SDavid Daney help 916a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 917a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 918a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 919a86c7f72SDavid Daney Some of the supported boards are: 920a86c7f72SDavid Daney EBT3000 921a86c7f72SDavid Daney EBH3000 922a86c7f72SDavid Daney EBH3100 923a86c7f72SDavid Daney Thunder 924a86c7f72SDavid Daney Kodama 925a86c7f72SDavid Daney Hikari 926a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 927a86c7f72SDavid Daney 9287f058e85SJayachandran Cconfig NLM_XLR_BOARD 9297f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9307f058e85SJayachandran C select BOOT_ELF32 9317f058e85SJayachandran C select NLM_COMMON 9327f058e85SJayachandran C select SYS_HAS_CPU_XLR 9337f058e85SJayachandran C select SYS_SUPPORTS_SMP 9347f058e85SJayachandran C select HW_HAS_PCI 9357f058e85SJayachandran C select SWAP_IO_SPACE 9367f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9377f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 938*d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9397f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9407f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9417f058e85SJayachandran C select DMA_COHERENT 9427f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9437f058e85SJayachandran C select CEVT_R4K 9447f058e85SJayachandran C select CSRC_R4K 94567e38cf2SRalf Baechle select IRQ_MIPS_CPU 946b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9477f058e85SJayachandran C select SYNC_R4K 9487f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9498f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9508f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9517f058e85SJayachandran C help 9527f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9537f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9547f058e85SJayachandran C 9551c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9561c773ea4SJayachandran C bool "Netlogic XLP based systems" 9571c773ea4SJayachandran C select BOOT_ELF32 9581c773ea4SJayachandran C select NLM_COMMON 9591c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9601c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9611c773ea4SJayachandran C select HW_HAS_PCI 9621c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9631c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 964*d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 965d30a2b47SLinus Walleij select GPIOLIB 9661c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9671c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9681c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9691c773ea4SJayachandran C select DMA_COHERENT 9701c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9711c773ea4SJayachandran C select CEVT_R4K 9721c773ea4SJayachandran C select CSRC_R4K 97367e38cf2SRalf Baechle select IRQ_MIPS_CPU 974b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9751c773ea4SJayachandran C select SYNC_R4K 9761c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9772f6528e1SJayachandran C select USE_OF 9788f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9798f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9801c773ea4SJayachandran C help 9811c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9821c773ea4SJayachandran C Say Y here if you have a XLP based board. 9831c773ea4SJayachandran C 9849bc463beSDavid Daneyconfig MIPS_PARAVIRT 9859bc463beSDavid Daney bool "Para-Virtualized guest system" 9869bc463beSDavid Daney select CEVT_R4K 9879bc463beSDavid Daney select CSRC_R4K 9889bc463beSDavid Daney select DMA_COHERENT 9899bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9909bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9919bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9929bc463beSDavid Daney select SYS_SUPPORTS_SMP 9939bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9949bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9959bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9969bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9979bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9989bc463beSDavid Daney select HW_HAS_PCI 9999bc463beSDavid Daney select SWAP_IO_SPACE 10009bc463beSDavid Daney help 10019bc463beSDavid Daney This option supports guest running under ???? 10029bc463beSDavid Daney 10031da177e4SLinus Torvaldsendchoice 10041da177e4SLinus Torvalds 1005e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10063b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1007d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1008a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1009e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10108945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1011eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10125e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10135ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10148ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10151f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10162572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1017af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10180f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1019ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 102029c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 102138b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 102222b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10235e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1024a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 102530ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 102630ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10277f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1028ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 102938b18f72SRalf Baechle 10305e83d430SRalf Baechleendmenu 10315e83d430SRalf Baechle 10321da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10331da177e4SLinus Torvalds bool 10341da177e4SLinus Torvalds default y 10351da177e4SLinus Torvalds 10361da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10371da177e4SLinus Torvalds bool 10381da177e4SLinus Torvalds 10393c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10403c9ee7efSAkinobu Mita bool 10413c9ee7efSAkinobu Mita default y 10423c9ee7efSAkinobu Mita 10431da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10441da177e4SLinus Torvalds bool 10451da177e4SLinus Torvalds default y 10461da177e4SLinus Torvalds 1047ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10481cc89038SAtsushi Nemoto bool 10491cc89038SAtsushi Nemoto default y 10501cc89038SAtsushi Nemoto 10511da177e4SLinus Torvalds# 10521da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10531da177e4SLinus Torvalds# 10540e2794b0SRalf Baechleconfig FW_ARC 10551da177e4SLinus Torvalds bool 10561da177e4SLinus Torvalds 105761ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 105861ed242dSRalf Baechle bool 105961ed242dSRalf Baechle 10609267a30dSMarc St-Jeanconfig BOOT_RAW 10619267a30dSMarc St-Jean bool 10629267a30dSMarc St-Jean 1063217dd11eSRalf Baechleconfig CEVT_BCM1480 1064217dd11eSRalf Baechle bool 1065217dd11eSRalf Baechle 10666457d9fcSYoichi Yuasaconfig CEVT_DS1287 10676457d9fcSYoichi Yuasa bool 10686457d9fcSYoichi Yuasa 10691097c6acSYoichi Yuasaconfig CEVT_GT641XX 10701097c6acSYoichi Yuasa bool 10711097c6acSYoichi Yuasa 107242f77542SRalf Baechleconfig CEVT_R4K 107342f77542SRalf Baechle bool 107442f77542SRalf Baechle 1075217dd11eSRalf Baechleconfig CEVT_SB1250 1076217dd11eSRalf Baechle bool 1077217dd11eSRalf Baechle 1078229f773eSAtsushi Nemotoconfig CEVT_TXX9 1079229f773eSAtsushi Nemoto bool 1080229f773eSAtsushi Nemoto 1081217dd11eSRalf Baechleconfig CSRC_BCM1480 1082217dd11eSRalf Baechle bool 1083217dd11eSRalf Baechle 10844247417dSYoichi Yuasaconfig CSRC_IOASIC 10854247417dSYoichi Yuasa bool 10864247417dSYoichi Yuasa 1087940f6b48SRalf Baechleconfig CSRC_R4K 1088940f6b48SRalf Baechle bool 1089940f6b48SRalf Baechle 1090217dd11eSRalf Baechleconfig CSRC_SB1250 1091217dd11eSRalf Baechle bool 1092217dd11eSRalf Baechle 1093a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1094a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1095a7f4df4eSAlex Smith 1096a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1097d30a2b47SLinus Walleij select GPIOLIB 1098a9aec7feSAtsushi Nemoto bool 1099a9aec7feSAtsushi Nemoto 11000e2794b0SRalf Baechleconfig FW_CFE 1101df78b5c8SAurelien Jarno bool 1102df78b5c8SAurelien Jarno 11034bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 1104*d4a451d5SChristoph Hellwig def_bool (HIGHMEM && PHYS_ADDR_T_64BIT) || 64BIT 11054bafad92SFUJITA Tomonori 110640e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 110740e084a5SRalf Baechle bool 110840e084a5SRalf Baechle 1109885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1110885014bcSFelix Fietkau select DMA_NONCOHERENT 1111885014bcSFelix Fietkau bool 1112885014bcSFelix Fietkau 111320d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 111420d33064SPaul Burton bool 111520d33064SPaul Burton select DMA_MAYBE_COHERENT 111620d33064SPaul Burton 11171da177e4SLinus Torvaldsconfig DMA_COHERENT 11181da177e4SLinus Torvalds bool 11191da177e4SLinus Torvalds 11201da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11211da177e4SLinus Torvalds bool 1122e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 11234ce588cdSRalf Baechle 112436a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11251da177e4SLinus Torvalds bool 11261da177e4SLinus Torvalds 11271b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1128dbb74540SRalf Baechle bool 1129dbb74540SRalf Baechle 11301da177e4SLinus Torvaldsconfig MIPS_BONITO64 11311da177e4SLinus Torvalds bool 11321da177e4SLinus Torvalds 11331da177e4SLinus Torvaldsconfig MIPS_MSC 11341da177e4SLinus Torvalds bool 11351da177e4SLinus Torvalds 11361f21d2bdSBrian Murphyconfig MIPS_NILE4 11371f21d2bdSBrian Murphy bool 11381f21d2bdSBrian Murphy 113939b8d525SRalf Baechleconfig SYNC_R4K 114039b8d525SRalf Baechle bool 114139b8d525SRalf Baechle 1142487d70d0SGabor Juhosconfig MIPS_MACHINE 1143487d70d0SGabor Juhos def_bool n 1144487d70d0SGabor Juhos 1145ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1146d388d685SMaciej W. Rozycki def_bool n 1147d388d685SMaciej W. Rozycki 11484e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11494e0748f5SMarkos Chandras bool 11504e0748f5SMarkos Chandras 11518313da30SRalf Baechleconfig GENERIC_ISA_DMA 11528313da30SRalf Baechle bool 11538313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1154a35bee8aSNamhyung Kim select ISA_DMA_API 11558313da30SRalf Baechle 1156aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1157aa414dffSRalf Baechle bool 11588313da30SRalf Baechle select GENERIC_ISA_DMA 1159aa414dffSRalf Baechle 1160a35bee8aSNamhyung Kimconfig ISA_DMA_API 1161a35bee8aSNamhyung Kim bool 1162a35bee8aSNamhyung Kim 1163465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1164465aaed0SDavid Daney bool 1165465aaed0SDavid Daney 11668c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11678c530ea3SMatt Redfearn bool 11688c530ea3SMatt Redfearn help 11698c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11708c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11718c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11728c530ea3SMatt Redfearn 1173f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1174f381bf6dSDavid Daney def_bool y 1175f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1176f381bf6dSDavid Daney 1177f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1178f381bf6dSDavid Daney def_bool y 1179f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1180f381bf6dSDavid Daney 1181f381bf6dSDavid Daney 11825e83d430SRalf Baechle# 11836b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11845e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11855e83d430SRalf Baechle# choice statement should be more obvious to the user. 11865e83d430SRalf Baechle# 11875e83d430SRalf Baechlechoice 11886b2aac42SMasanari Iida prompt "Endianness selection" 11891da177e4SLinus Torvalds help 11901da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11915e83d430SRalf Baechle byte order. These modes require different kernels and a different 11923cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11935e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11943dde6ad8SDavid Sterba one or the other endianness. 11955e83d430SRalf Baechle 11965e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11975e83d430SRalf Baechle bool "Big endian" 11985e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11995e83d430SRalf Baechle 12005e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12015e83d430SRalf Baechle bool "Little endian" 12025e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12035e83d430SRalf Baechle 12045e83d430SRalf Baechleendchoice 12055e83d430SRalf Baechle 120622b0763aSDavid Daneyconfig EXPORT_UASM 120722b0763aSDavid Daney bool 120822b0763aSDavid Daney 12092116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12102116245eSRalf Baechle bool 12112116245eSRalf Baechle 12125e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12135e83d430SRalf Baechle bool 12145e83d430SRalf Baechle 12155e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12165e83d430SRalf Baechle bool 12171da177e4SLinus Torvalds 12189cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12199cffd154SDavid Daney bool 12209cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12219cffd154SDavid Daney default y 12229cffd154SDavid Daney 1223aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1224aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1225aa1762f4SDavid Daney 12261da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12271da177e4SLinus Torvalds bool 12281da177e4SLinus Torvalds 12299267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12309267a30dSMarc St-Jean bool 12319267a30dSMarc St-Jean 12329267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12339267a30dSMarc St-Jean bool 12349267a30dSMarc St-Jean 12358420fd00SAtsushi Nemotoconfig IRQ_TXX9 12368420fd00SAtsushi Nemoto bool 12378420fd00SAtsushi Nemoto 1238d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1239d5ab1a69SYoichi Yuasa bool 1240d5ab1a69SYoichi Yuasa 1241252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12421da177e4SLinus Torvalds bool 12431da177e4SLinus Torvalds 12449267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12459267a30dSMarc St-Jean bool 12469267a30dSMarc St-Jean 1247a83860c2SRalf Baechleconfig SOC_EMMA2RH 1248a83860c2SRalf Baechle bool 1249a83860c2SRalf Baechle select CEVT_R4K 1250a83860c2SRalf Baechle select CSRC_R4K 1251a83860c2SRalf Baechle select DMA_NONCOHERENT 125267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1253a83860c2SRalf Baechle select SWAP_IO_SPACE 1254a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1255a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1256a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1257a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1258a83860c2SRalf Baechle 1259edb6310aSDaniel Lairdconfig SOC_PNX833X 1260edb6310aSDaniel Laird bool 1261edb6310aSDaniel Laird select CEVT_R4K 1262edb6310aSDaniel Laird select CSRC_R4K 126367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1264edb6310aSDaniel Laird select DMA_NONCOHERENT 1265edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1266edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1267edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1268edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1269377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1270edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1271edb6310aSDaniel Laird 1272edb6310aSDaniel Lairdconfig SOC_PNX8335 1273edb6310aSDaniel Laird bool 1274edb6310aSDaniel Laird select SOC_PNX833X 1275edb6310aSDaniel Laird 1276a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1277a7e07b1aSMarkos Chandras bool 1278a7e07b1aSMarkos Chandras 12791da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12801da177e4SLinus Torvalds bool 12811da177e4SLinus Torvalds 1282e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1283e2defae5SThomas Bogendoerfer bool 1284e2defae5SThomas Bogendoerfer 12855b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12865b438c44SThomas Bogendoerfer bool 12875b438c44SThomas Bogendoerfer 1288e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1289e2defae5SThomas Bogendoerfer bool 1290e2defae5SThomas Bogendoerfer 1291e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1292e2defae5SThomas Bogendoerfer bool 1293e2defae5SThomas Bogendoerfer 1294e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1295e2defae5SThomas Bogendoerfer bool 1296e2defae5SThomas Bogendoerfer 1297e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1298e2defae5SThomas Bogendoerfer bool 1299e2defae5SThomas Bogendoerfer 1300e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1301e2defae5SThomas Bogendoerfer bool 1302e2defae5SThomas Bogendoerfer 13030e2794b0SRalf Baechleconfig FW_ARC32 13045e83d430SRalf Baechle bool 13055e83d430SRalf Baechle 1306aaa9fad3SPaul Bolleconfig FW_SNIPROM 1307231a35d3SThomas Bogendoerfer bool 1308231a35d3SThomas Bogendoerfer 13091da177e4SLinus Torvaldsconfig BOOT_ELF32 13101da177e4SLinus Torvalds bool 13111da177e4SLinus Torvalds 1312930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1313930beb5aSFlorian Fainelli bool 1314930beb5aSFlorian Fainelli 1315930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1316930beb5aSFlorian Fainelli bool 1317930beb5aSFlorian Fainelli 1318930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1319930beb5aSFlorian Fainelli bool 1320930beb5aSFlorian Fainelli 1321930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1322930beb5aSFlorian Fainelli bool 1323930beb5aSFlorian Fainelli 13241da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13251da177e4SLinus Torvalds int 1326a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13275432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13285432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13295432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13301da177e4SLinus Torvalds default "5" 13311da177e4SLinus Torvalds 13321da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13331da177e4SLinus Torvalds bool 13341da177e4SLinus Torvalds 13351da177e4SLinus Torvaldsconfig ARC_CONSOLE 13361da177e4SLinus Torvalds bool "ARC console support" 1337e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13381da177e4SLinus Torvalds 13391da177e4SLinus Torvaldsconfig ARC_MEMORY 13401da177e4SLinus Torvalds bool 134114b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13421da177e4SLinus Torvalds default y 13431da177e4SLinus Torvalds 13441da177e4SLinus Torvaldsconfig ARC_PROMLIB 13451da177e4SLinus Torvalds bool 1346e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13471da177e4SLinus Torvalds default y 13481da177e4SLinus Torvalds 13490e2794b0SRalf Baechleconfig FW_ARC64 13501da177e4SLinus Torvalds bool 13511da177e4SLinus Torvalds 13521da177e4SLinus Torvaldsconfig BOOT_ELF64 13531da177e4SLinus Torvalds bool 13541da177e4SLinus Torvalds 13551da177e4SLinus Torvaldsmenu "CPU selection" 13561da177e4SLinus Torvalds 13571da177e4SLinus Torvaldschoice 13581da177e4SLinus Torvalds prompt "CPU type" 13591da177e4SLinus Torvalds default CPU_R4X00 13601da177e4SLinus Torvalds 13610e476d91SHuacai Chenconfig CPU_LOONGSON3 13620e476d91SHuacai Chen bool "Loongson 3 CPU" 13630e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 13640e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13650e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13660e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13670e476d91SHuacai Chen select WEAK_ORDERING 13680e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1369b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 137017c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1371d30a2b47SLinus Walleij select GPIOLIB 13720e476d91SHuacai Chen help 13730e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13740e476d91SHuacai Chen set with many extensions. 13750e476d91SHuacai Chen 13761e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13771e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13781e820da3SHuacai Chen default n 13791e820da3SHuacai Chen select CPU_MIPSR2 13801e820da3SHuacai Chen select CPU_HAS_PREFETCH 13811e820da3SHuacai Chen depends on CPU_LOONGSON3 13821e820da3SHuacai Chen help 13831e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13841e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13851e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 13861e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13871e820da3SHuacai Chen Fast TLB refill support, etc. 13881e820da3SHuacai Chen 13891e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13901e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13911e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 13921e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 13931e820da3SHuacai Chen 13943702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13953702bba5SWu Zhangjin bool "Loongson 2E" 13963702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 13973702bba5SWu Zhangjin select CPU_LOONGSON2 13982a21c730SFuxin Zhang help 13992a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14002a21c730SFuxin Zhang with many extensions. 14012a21c730SFuxin Zhang 140225985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14036f7a251aSWu Zhangjin bonito64. 14046f7a251aSWu Zhangjin 14056f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14066f7a251aSWu Zhangjin bool "Loongson 2F" 14076f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14086f7a251aSWu Zhangjin select CPU_LOONGSON2 1409d30a2b47SLinus Walleij select GPIOLIB 14106f7a251aSWu Zhangjin help 14116f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14126f7a251aSWu Zhangjin with many extensions. 14136f7a251aSWu Zhangjin 14146f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14156f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14166f7a251aSWu Zhangjin Loongson2E. 14176f7a251aSWu Zhangjin 1418ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1419ca585cf9SKelvin Cheung bool "Loongson 1B" 1420ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1421ca585cf9SKelvin Cheung select CPU_LOONGSON1 14229ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1423ca585cf9SKelvin Cheung help 1424ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1425ca585cf9SKelvin Cheung release 2 instruction set. 1426ca585cf9SKelvin Cheung 142712e3280bSYang Lingconfig CPU_LOONGSON1C 142812e3280bSYang Ling bool "Loongson 1C" 142912e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 143012e3280bSYang Ling select CPU_LOONGSON1 143112e3280bSYang Ling select LEDS_GPIO_REGISTER 143212e3280bSYang Ling help 143312e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 143412e3280bSYang Ling release 2 instruction set. 143512e3280bSYang Ling 14366e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14376e760c8dSRalf Baechle bool "MIPS32 Release 1" 14387cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14396e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1440797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1441ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14426e760c8dSRalf Baechle help 14435e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14441e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14451e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14461e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14471e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14481e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14491e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14501e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14511e5f1caaSRalf Baechle performance. 14521e5f1caaSRalf Baechle 14531e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14541e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14557cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14561e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1457797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1458ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1459a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14602235a54dSSanjay Lal select HAVE_KVM 14611e5f1caaSRalf Baechle help 14625e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14636e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14646e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14656e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14666e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14671da177e4SLinus Torvalds 14687fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1469674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14707fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14717fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14727fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14737fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14747fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14754e0748f5SMarkos Chandras select GENERIC_CSUM 14767fd08ca5SLeonid Yegoshin select HAVE_KVM 14777fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14787fd08ca5SLeonid Yegoshin help 14797fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14807fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14817fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14827fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14837fd08ca5SLeonid Yegoshin 14846e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14856e760c8dSRalf Baechle bool "MIPS64 Release 1" 14867cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1487797798c1SRalf Baechle select CPU_HAS_PREFETCH 1488ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1489ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1490ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14919cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14926e760c8dSRalf Baechle help 14936e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14946e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14956e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14966e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14976e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14981e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14991e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15001e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15011e5f1caaSRalf Baechle performance. 15021e5f1caaSRalf Baechle 15031e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15041e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15057cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1506797798c1SRalf Baechle select CPU_HAS_PREFETCH 15071e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15081e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1509ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15109cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1511a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 151240a2df49SJames Hogan select HAVE_KVM 15131e5f1caaSRalf Baechle help 15141e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15151e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15161e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15171e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15181e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15191da177e4SLinus Torvalds 15207fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1521674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15227fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15237fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15247fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15257fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15267fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15277fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15284e0748f5SMarkos Chandras select GENERIC_CSUM 15292e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 153040a2df49SJames Hogan select HAVE_KVM 15317fd08ca5SLeonid Yegoshin help 15327fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15337fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15347fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15357fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15367fd08ca5SLeonid Yegoshin 15371da177e4SLinus Torvaldsconfig CPU_R3000 15381da177e4SLinus Torvalds bool "R3000" 15397cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1540f7062ddbSRalf Baechle select CPU_HAS_WB 1541ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1542797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15431da177e4SLinus Torvalds help 15441da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15451da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15461da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15471da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15481da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15491da177e4SLinus Torvalds try to recompile with R3000. 15501da177e4SLinus Torvalds 15511da177e4SLinus Torvaldsconfig CPU_TX39XX 15521da177e4SLinus Torvalds bool "R39XX" 15537cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1554ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15551da177e4SLinus Torvalds 15561da177e4SLinus Torvaldsconfig CPU_VR41XX 15571da177e4SLinus Torvalds bool "R41xx" 15587cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1559ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1560ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15611da177e4SLinus Torvalds help 15625e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15631da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15641da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15651da177e4SLinus Torvalds processor or vice versa. 15661da177e4SLinus Torvalds 15671da177e4SLinus Torvaldsconfig CPU_R4300 15681da177e4SLinus Torvalds bool "R4300" 15697cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1570ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1571ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15721da177e4SLinus Torvalds help 15731da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15741da177e4SLinus Torvalds 15751da177e4SLinus Torvaldsconfig CPU_R4X00 15761da177e4SLinus Torvalds bool "R4x00" 15777cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1578ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1579ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1580970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15811da177e4SLinus Torvalds help 15821da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15831da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15841da177e4SLinus Torvalds 15851da177e4SLinus Torvaldsconfig CPU_TX49XX 15861da177e4SLinus Torvalds bool "R49XX" 15877cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1588de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1589ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1590ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1591970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15921da177e4SLinus Torvalds 15931da177e4SLinus Torvaldsconfig CPU_R5000 15941da177e4SLinus Torvalds bool "R5000" 15957cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1597ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1598970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15991da177e4SLinus Torvalds help 16001da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16011da177e4SLinus Torvalds 16021da177e4SLinus Torvaldsconfig CPU_R5432 16031da177e4SLinus Torvalds bool "R5432" 16047cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 16055e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16065e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1607970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16081da177e4SLinus Torvalds 1609542c1020SShinya Kuribayashiconfig CPU_R5500 1610542c1020SShinya Kuribayashi bool "R5500" 1611542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1612542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1613542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16149cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1615542c1020SShinya Kuribayashi help 1616542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1617542c1020SShinya Kuribayashi instruction set. 1618542c1020SShinya Kuribayashi 16191da177e4SLinus Torvaldsconfig CPU_NEVADA 16201da177e4SLinus Torvalds bool "RM52xx" 16217cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1622ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1623ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1624970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16251da177e4SLinus Torvalds help 16261da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16271da177e4SLinus Torvalds 16281da177e4SLinus Torvaldsconfig CPU_R8000 16291da177e4SLinus Torvalds bool "R8000" 16307cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 16315e83d430SRalf Baechle select CPU_HAS_PREFETCH 1632ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16331da177e4SLinus Torvalds help 16341da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 16351da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16361da177e4SLinus Torvalds 16371da177e4SLinus Torvaldsconfig CPU_R10000 16381da177e4SLinus Torvalds bool "R10000" 16397cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16405e83d430SRalf Baechle select CPU_HAS_PREFETCH 1641ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1642ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1643797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1644970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16451da177e4SLinus Torvalds help 16461da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16471da177e4SLinus Torvalds 16481da177e4SLinus Torvaldsconfig CPU_RM7000 16491da177e4SLinus Torvalds bool "RM7000" 16507cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16515e83d430SRalf Baechle select CPU_HAS_PREFETCH 1652ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1653ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1654797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1655970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16561da177e4SLinus Torvalds 16571da177e4SLinus Torvaldsconfig CPU_SB1 16581da177e4SLinus Torvalds bool "SB1" 16597cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1660ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1661ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1662797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1663970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16640004a9dfSRalf Baechle select WEAK_ORDERING 16651da177e4SLinus Torvalds 1666a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1667a86c7f72SDavid Daney bool "Cavium Octeon processor" 16685e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1669a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1670a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1671a86c7f72SDavid Daney select WEAK_ORDERING 1672a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16739cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1674df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1675df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1676930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 16770ae3abcdSJames Hogan select HAVE_KVM 1678a86c7f72SDavid Daney help 1679a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1680a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1681a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1682a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1683a86c7f72SDavid Daney 1684cd746249SJonas Gorskiconfig CPU_BMIPS 1685cd746249SJonas Gorski bool "Broadcom BMIPS" 1686cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1687cd746249SJonas Gorski select CPU_MIPS32 1688fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1689cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1690cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1691cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1692cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1693cd746249SJonas Gorski select DMA_NONCOHERENT 169467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1695cd746249SJonas Gorski select SWAP_IO_SPACE 1696cd746249SJonas Gorski select WEAK_ORDERING 1697c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 169869aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1699a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1700a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1701c1c0c461SKevin Cernekee help 1702fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1703c1c0c461SKevin Cernekee 17047f058e85SJayachandran Cconfig CPU_XLR 17057f058e85SJayachandran C bool "Netlogic XLR SoC" 17067f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 17077f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17087f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17097f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1710970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17117f058e85SJayachandran C select WEAK_ORDERING 17127f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17137f058e85SJayachandran C help 17147f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17151c773ea4SJayachandran C 17161c773ea4SJayachandran Cconfig CPU_XLP 17171c773ea4SJayachandran C bool "Netlogic XLP SoC" 17181c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17191c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17201c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17211c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17221c773ea4SJayachandran C select WEAK_ORDERING 17231c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17241c773ea4SJayachandran C select CPU_HAS_PREFETCH 1725d6504846SJayachandran C select CPU_MIPSR2 1726ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17272db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17281c773ea4SJayachandran C help 17291c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17301da177e4SLinus Torvaldsendchoice 17311da177e4SLinus Torvalds 1732a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1733a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1734a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17357fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1736a6e18781SLeonid Yegoshin help 1737a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1738a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1739a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1740a6e18781SLeonid Yegoshin 1741a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1742a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1743a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1744a6e18781SLeonid Yegoshin select EVA 1745a6e18781SLeonid Yegoshin default y 1746a6e18781SLeonid Yegoshin help 1747a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1748a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1749a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1750a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1751a6e18781SLeonid Yegoshin 1752c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1753c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1754c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1755c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1756c5b36783SSteven J. Hill help 1757c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1758c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1759c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1760c5b36783SSteven J. Hill 1761c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1762c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1763c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1764c5b36783SSteven J. Hill depends on !EVA 1765c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1766c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1767c5b36783SSteven J. Hill select XPA 1768c5b36783SSteven J. Hill select HIGHMEM 1769*d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1770c5b36783SSteven J. Hill default n 1771c5b36783SSteven J. Hill help 1772c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1773c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1774c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1775c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1776c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1777c5b36783SSteven J. Hill If unsure, say 'N' here. 1778c5b36783SSteven J. Hill 1779622844bfSWu Zhangjinif CPU_LOONGSON2F 1780622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1781622844bfSWu Zhangjin bool 1782622844bfSWu Zhangjin 1783622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1784622844bfSWu Zhangjin bool 1785622844bfSWu Zhangjin 1786622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1787622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1788622844bfSWu Zhangjin default y 1789622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1790622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1791622844bfSWu Zhangjin help 1792622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1793622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1794622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1795622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1796622844bfSWu Zhangjin 1797622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1798622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1799622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1800622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1801622844bfSWu Zhangjin systems. 1802622844bfSWu Zhangjin 1803622844bfSWu Zhangjin If unsure, please say Y. 1804622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1805622844bfSWu Zhangjin 18061b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18071b93b3c3SWu Zhangjin bool 18081b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18091b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 181031c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18111b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1812fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18134e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18141b93b3c3SWu Zhangjin 18151b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18161b93b3c3SWu Zhangjin bool 18171b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18181b93b3c3SWu Zhangjin 1819dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1820dbb98314SAlban Bedel bool 1821dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1822dbb98314SAlban Bedel 18233702bba5SWu Zhangjinconfig CPU_LOONGSON2 18243702bba5SWu Zhangjin bool 18253702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18263702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18273702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1828970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18293702bba5SWu Zhangjin 1830ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1831ca585cf9SKelvin Cheung bool 1832ca585cf9SKelvin Cheung select CPU_MIPS32 1833ca585cf9SKelvin Cheung select CPU_MIPSR2 1834ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1835ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1836ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1837f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1838ca585cf9SKelvin Cheung 1839fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 184004fa8bf7SJonas Gorski select SMP_UP if SMP 18411bbb6c1bSKevin Cernekee bool 1842cd746249SJonas Gorski 1843cd746249SJonas Gorskiconfig CPU_BMIPS4350 1844cd746249SJonas Gorski bool 1845cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1846cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1847cd746249SJonas Gorski 1848cd746249SJonas Gorskiconfig CPU_BMIPS4380 1849cd746249SJonas Gorski bool 1850bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1851cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1852cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1853b4720809SFlorian Fainelli select CPU_HAS_RIXI 1854cd746249SJonas Gorski 1855cd746249SJonas Gorskiconfig CPU_BMIPS5000 1856cd746249SJonas Gorski bool 1857cd746249SJonas Gorski select MIPS_CPU_SCACHE 1858bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1859cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1860cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1861b4720809SFlorian Fainelli select CPU_HAS_RIXI 18621bbb6c1bSKevin Cernekee 18630e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18640e476d91SHuacai Chen bool 18650e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1866b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18670e476d91SHuacai Chen 18683702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18692a21c730SFuxin Zhang bool 18702a21c730SFuxin Zhang 18716f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18726f7a251aSWu Zhangjin bool 187355045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 187455045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 187522f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 18766f7a251aSWu Zhangjin 1877ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1878ca585cf9SKelvin Cheung bool 1879ca585cf9SKelvin Cheung 188012e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 188112e3280bSYang Ling bool 188212e3280bSYang Ling 18837cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18847cf8053bSRalf Baechle bool 18857cf8053bSRalf Baechle 18867cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18877cf8053bSRalf Baechle bool 18887cf8053bSRalf Baechle 1889a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1890a6e18781SLeonid Yegoshin bool 1891a6e18781SLeonid Yegoshin 1892c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1893c5b36783SSteven J. Hill bool 1894c5b36783SSteven J. Hill 18957fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 18967fd08ca5SLeonid Yegoshin bool 18977fd08ca5SLeonid Yegoshin 18987cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 18997cf8053bSRalf Baechle bool 19007cf8053bSRalf Baechle 19017cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19027cf8053bSRalf Baechle bool 19037cf8053bSRalf Baechle 19047fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19057fd08ca5SLeonid Yegoshin bool 19067fd08ca5SLeonid Yegoshin 19077cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19087cf8053bSRalf Baechle bool 19097cf8053bSRalf Baechle 19107cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19117cf8053bSRalf Baechle bool 19127cf8053bSRalf Baechle 19137cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19147cf8053bSRalf Baechle bool 19157cf8053bSRalf Baechle 19167cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 19177cf8053bSRalf Baechle bool 19187cf8053bSRalf Baechle 19197cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19207cf8053bSRalf Baechle bool 19217cf8053bSRalf Baechle 19227cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19237cf8053bSRalf Baechle bool 19247cf8053bSRalf Baechle 19257cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19267cf8053bSRalf Baechle bool 19277cf8053bSRalf Baechle 19287cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 19297cf8053bSRalf Baechle bool 19307cf8053bSRalf Baechle 1931542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1932542c1020SShinya Kuribayashi bool 1933542c1020SShinya Kuribayashi 19347cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19357cf8053bSRalf Baechle bool 19367cf8053bSRalf Baechle 19377cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 19387cf8053bSRalf Baechle bool 19397cf8053bSRalf Baechle 19407cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19417cf8053bSRalf Baechle bool 19427cf8053bSRalf Baechle 19437cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19447cf8053bSRalf Baechle bool 19457cf8053bSRalf Baechle 19467cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19477cf8053bSRalf Baechle bool 19487cf8053bSRalf Baechle 19495e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19505e683389SDavid Daney bool 19515e683389SDavid Daney 1952cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1953c1c0c461SKevin Cernekee bool 1954c1c0c461SKevin Cernekee 1955fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1956c1c0c461SKevin Cernekee bool 1957cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1958c1c0c461SKevin Cernekee 1959c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1960c1c0c461SKevin Cernekee bool 1961cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1962c1c0c461SKevin Cernekee 1963c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1964c1c0c461SKevin Cernekee bool 1965cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1966c1c0c461SKevin Cernekee 1967c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1968c1c0c461SKevin Cernekee bool 1969cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1970c1c0c461SKevin Cernekee 19717f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 19727f058e85SJayachandran C bool 19737f058e85SJayachandran C 19741c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 19751c773ea4SJayachandran C bool 19761c773ea4SJayachandran C 1977b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1978b6911bbaSPaul Burton depends on MIPS_MALTA 1979b6911bbaSPaul Burton depends on PCI 1980b6911bbaSPaul Burton bool 1981b6911bbaSPaul Burton default y 1982b6911bbaSPaul Burton 198317099b11SRalf Baechle# 198417099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 198517099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 198617099b11SRalf Baechle# 19870004a9dfSRalf Baechleconfig WEAK_ORDERING 19880004a9dfSRalf Baechle bool 198917099b11SRalf Baechle 199017099b11SRalf Baechle# 199117099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 199217099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 199317099b11SRalf Baechle# 199417099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 199517099b11SRalf Baechle bool 19965e83d430SRalf Baechleendmenu 19975e83d430SRalf Baechle 19985e83d430SRalf Baechle# 19995e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20005e83d430SRalf Baechle# 20015e83d430SRalf Baechleconfig CPU_MIPS32 20025e83d430SRalf Baechle bool 20037fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20045e83d430SRalf Baechle 20055e83d430SRalf Baechleconfig CPU_MIPS64 20065e83d430SRalf Baechle bool 20077fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20085e83d430SRalf Baechle 20095e83d430SRalf Baechle# 2010c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 20115e83d430SRalf Baechle# 20125e83d430SRalf Baechleconfig CPU_MIPSR1 20135e83d430SRalf Baechle bool 20145e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20155e83d430SRalf Baechle 20165e83d430SRalf Baechleconfig CPU_MIPSR2 20175e83d430SRalf Baechle bool 2018a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20198256b17eSFlorian Fainelli select CPU_HAS_RIXI 2020a7e07b1aSMarkos Chandras select MIPS_SPRAM 20215e83d430SRalf Baechle 20227fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20237fd08ca5SLeonid Yegoshin bool 20247fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20258256b17eSFlorian Fainelli select CPU_HAS_RIXI 202687321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20272db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20284a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2029a7e07b1aSMarkos Chandras select MIPS_SPRAM 20305e83d430SRalf Baechle 2031a6e18781SLeonid Yegoshinconfig EVA 2032a6e18781SLeonid Yegoshin bool 2033a6e18781SLeonid Yegoshin 2034c5b36783SSteven J. Hillconfig XPA 2035c5b36783SSteven J. Hill bool 2036c5b36783SSteven J. Hill 20375e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20385e83d430SRalf Baechle bool 20395e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20405e83d430SRalf Baechle bool 20415e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20425e83d430SRalf Baechle bool 20435e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20445e83d430SRalf Baechle bool 204555045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 204655045ff5SWu Zhangjin bool 204755045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 204855045ff5SWu Zhangjin bool 20499cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20509cffd154SDavid Daney bool 205122f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 205222f1fdfdSWu Zhangjin bool 205382622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 205482622284SDavid Daney bool 2055cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 20565e83d430SRalf Baechle 20578192c9eaSDavid Daney# 20588192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20598192c9eaSDavid Daney# 20608192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20618192c9eaSDavid Daney bool 2062679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20638192c9eaSDavid Daney 20645e83d430SRalf Baechlemenu "Kernel type" 20655e83d430SRalf Baechle 20665e83d430SRalf Baechlechoice 20675e83d430SRalf Baechle prompt "Kernel code model" 20685e83d430SRalf Baechle help 20695e83d430SRalf Baechle You should only select this option if you have a workload that 20705e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20715e83d430SRalf Baechle large memory. You will only be presented a single option in this 20725e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20735e83d430SRalf Baechle 20745e83d430SRalf Baechleconfig 32BIT 20755e83d430SRalf Baechle bool "32-bit kernel" 20765e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20775e83d430SRalf Baechle select TRAD_SIGNALS 20785e83d430SRalf Baechle help 20795e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2080f17c4ca3SRalf Baechle 20815e83d430SRalf Baechleconfig 64BIT 20825e83d430SRalf Baechle bool "64-bit kernel" 20835e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20845e83d430SRalf Baechle help 20855e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 20865e83d430SRalf Baechle 20875e83d430SRalf Baechleendchoice 20885e83d430SRalf Baechle 20892235a54dSSanjay Lalconfig KVM_GUEST 20902235a54dSSanjay Lal bool "KVM Guest Kernel" 2091f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 20922235a54dSSanjay Lal help 2093caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2094caa1faa7SJames Hogan mode. 20952235a54dSSanjay Lal 2096eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2097eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 20982235a54dSSanjay Lal depends on KVM_GUEST 2099eda3d33cSJames Hogan default 100 21002235a54dSSanjay Lal help 2101eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2102eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2103eda3d33cSJames Hogan timer frequency is specified directly. 21042235a54dSSanjay Lal 21051e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21061e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21071e321fa9SLeonid Yegoshin depends on 64BIT 21081e321fa9SLeonid Yegoshin help 21093377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21103377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21113377e227SAlex Belits For page sizes 16k and above, this option results in a small 21123377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21133377e227SAlex Belits level of page tables is added which imposes both a memory 21143377e227SAlex Belits overhead as well as slower TLB fault handling. 21153377e227SAlex Belits 21161e321fa9SLeonid Yegoshin If unsure, say N. 21171e321fa9SLeonid Yegoshin 21181da177e4SLinus Torvaldschoice 21191da177e4SLinus Torvalds prompt "Kernel page size" 21201da177e4SLinus Torvalds default PAGE_SIZE_4KB 21211da177e4SLinus Torvalds 21221da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21231da177e4SLinus Torvalds bool "4kB" 21240e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21251da177e4SLinus Torvalds help 21261da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21271da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21281da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21291da177e4SLinus Torvalds recommended for low memory systems. 21301da177e4SLinus Torvalds 21311da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21321da177e4SLinus Torvalds bool "8kB" 21337d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 21341e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21351da177e4SLinus Torvalds help 21361da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21371da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2138c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2139c52399beSRalf Baechle suitable Linux distribution to support this. 21401da177e4SLinus Torvalds 21411da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21421da177e4SLinus Torvalds bool "16kB" 2143714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21441da177e4SLinus Torvalds help 21451da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21461da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2147714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2148714bfad6SRalf Baechle Linux distribution to support this. 21491da177e4SLinus Torvalds 2150c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2151c52399beSRalf Baechle bool "32kB" 2152c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21531e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2154c52399beSRalf Baechle help 2155c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2156c52399beSRalf Baechle the price of higher memory consumption. This option is available 2157c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2158c52399beSRalf Baechle distribution to support this. 2159c52399beSRalf Baechle 21601da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21611da177e4SLinus Torvalds bool "64kB" 21623b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21631da177e4SLinus Torvalds help 21641da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21651da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21661da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2167714bfad6SRalf Baechle writing this option is still high experimental. 21681da177e4SLinus Torvalds 21691da177e4SLinus Torvaldsendchoice 21701da177e4SLinus Torvalds 2171c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2172c9bace7cSDavid Daney int "Maximum zone order" 2173e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2174e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2175e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2176e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2177e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2178e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2179c9bace7cSDavid Daney range 11 64 2180c9bace7cSDavid Daney default "11" 2181c9bace7cSDavid Daney help 2182c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2183c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2184c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2185c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2186c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2187c9bace7cSDavid Daney increase this value. 2188c9bace7cSDavid Daney 2189c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2190c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2191c9bace7cSDavid Daney 2192c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2193c9bace7cSDavid Daney when choosing a value for this option. 2194c9bace7cSDavid Daney 21951da177e4SLinus Torvaldsconfig BOARD_SCACHE 21961da177e4SLinus Torvalds bool 21971da177e4SLinus Torvalds 21981da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 21991da177e4SLinus Torvalds bool 22001da177e4SLinus Torvalds select BOARD_SCACHE 22011da177e4SLinus Torvalds 22029318c51aSChris Dearman# 22039318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22049318c51aSChris Dearman# 22059318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22069318c51aSChris Dearman bool 22079318c51aSChris Dearman select BOARD_SCACHE 22089318c51aSChris Dearman 22091da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22101da177e4SLinus Torvalds bool 22111da177e4SLinus Torvalds select BOARD_SCACHE 22121da177e4SLinus Torvalds 22131da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22141da177e4SLinus Torvalds bool 22151da177e4SLinus Torvalds select BOARD_SCACHE 22161da177e4SLinus Torvalds 22171da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22181da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22191da177e4SLinus Torvalds depends on CPU_SB1 22201da177e4SLinus Torvalds help 22211da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22221da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22231da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22241da177e4SLinus Torvalds 22251da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2226c8094b53SRalf Baechle bool 22271da177e4SLinus Torvalds 22283165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22293165c846SFlorian Fainelli bool 22303b2db173SPaul Burton default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX) 22313165c846SFlorian Fainelli 223291405eb6SFlorian Fainelliconfig CPU_R4K_FPU 223391405eb6SFlorian Fainelli bool 2234a2aea699SPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 223591405eb6SFlorian Fainelli 223662cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 223762cedc4fSFlorian Fainelli bool 223862cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 223962cedc4fSFlorian Fainelli 224059d6ab86SRalf Baechleconfig MIPS_MT_SMP 2241a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22425cbf9688SPaul Burton default y 2243527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 224459d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2245d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2246c080faa5SSteven J. Hill select SYNC_R4K 224759d6ab86SRalf Baechle select MIPS_MT 224859d6ab86SRalf Baechle select SMP 224987353d8aSRalf Baechle select SMP_UP 2250c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2251c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2252399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 225359d6ab86SRalf Baechle help 2254c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2255c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2256c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2257c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2258c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 225959d6ab86SRalf Baechle 2260f41ae0b2SRalf Baechleconfig MIPS_MT 2261f41ae0b2SRalf Baechle bool 2262f41ae0b2SRalf Baechle 22630ab7aefcSRalf Baechleconfig SCHED_SMT 22640ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22650ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22660ab7aefcSRalf Baechle default n 22670ab7aefcSRalf Baechle help 22680ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 22690ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 22700ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 22710ab7aefcSRalf Baechle 22720ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22730ab7aefcSRalf Baechle bool 22740ab7aefcSRalf Baechle 2275f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2276f41ae0b2SRalf Baechle bool 2277f41ae0b2SRalf Baechle 2278f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2279f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2280f088fc84SRalf Baechle default y 2281b633648cSRalf Baechle depends on MIPS_MT_SMP 228207cc0c9eSRalf Baechle 2283b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2284b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 22859eaa9a82SPaul Burton depends on CPU_MIPSR6 2286b0a668fbSLeonid Yegoshin default y 2287b0a668fbSLeonid Yegoshin help 2288b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2289b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 229007edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2291b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2292b0a668fbSLeonid Yegoshin final kernel image. 2293b0a668fbSLeonid Yegoshin 2294f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2295f35764e7SJames Hogan bool 2296f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2297f35764e7SJames Hogan help 2298f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2299f35764e7SJames Hogan physical_memsize. 2300f35764e7SJames Hogan 230107cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 230207cc0c9eSRalf Baechle bool "VPE loader support." 2303f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 230407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 230507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 230607cc0c9eSRalf Baechle select MIPS_MT 230707cc0c9eSRalf Baechle help 230807cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 230907cc0c9eSRalf Baechle onto another VPE and running it. 2310f088fc84SRalf Baechle 231117a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 231217a1d523SDeng-Cheng Zhu bool 231317a1d523SDeng-Cheng Zhu default "y" 231417a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 231517a1d523SDeng-Cheng Zhu 23161a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23171a2a6d7eSDeng-Cheng Zhu bool 23181a2a6d7eSDeng-Cheng Zhu default "y" 23191a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23201a2a6d7eSDeng-Cheng Zhu 2321e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2322e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2323e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2324e01402b1SRalf Baechle default y 2325e01402b1SRalf Baechle help 2326e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2327e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2328e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2329e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2330e01402b1SRalf Baechle 2331e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2332e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2333e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2334e01402b1SRalf Baechle 2335da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2336da615cf6SDeng-Cheng Zhu bool 2337da615cf6SDeng-Cheng Zhu default "y" 2338da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2339da615cf6SDeng-Cheng Zhu 23402c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23412c973ef0SDeng-Cheng Zhu bool 23422c973ef0SDeng-Cheng Zhu default "y" 23432c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23442c973ef0SDeng-Cheng Zhu 23454a16ff4cSRalf Baechleconfig MIPS_CMP 23465cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23475676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2348b10b43baSMarkos Chandras select SMP 2349eb9b5141STim Anderson select SYNC_R4K 2350b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 23514a16ff4cSRalf Baechle select WEAK_ORDERING 23524a16ff4cSRalf Baechle default n 23534a16ff4cSRalf Baechle help 2354044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2355044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2356044505c7SPaul Burton its ability to start secondary CPUs. 23574a16ff4cSRalf Baechle 23585cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 23595cac93b3SPaul Burton instead of this. 23605cac93b3SPaul Burton 23610ee958e1SPaul Burtonconfig MIPS_CPS 23620ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 23635a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 23640ee958e1SPaul Burton select MIPS_CM 23651d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 23660ee958e1SPaul Burton select SMP 23670ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 23681d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2369c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 23700ee958e1SPaul Burton select SYS_SUPPORTS_SMP 23710ee958e1SPaul Burton select WEAK_ORDERING 23720ee958e1SPaul Burton help 23730ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 23740ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 23750ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 23760ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 23770ee958e1SPaul Burton support is unavailable. 23780ee958e1SPaul Burton 23793179d37eSPaul Burtonconfig MIPS_CPS_PM 238039a59593SMarkos Chandras depends on MIPS_CPS 23813179d37eSPaul Burton bool 23823179d37eSPaul Burton 23839f98f3ddSPaul Burtonconfig MIPS_CM 23849f98f3ddSPaul Burton bool 23853c9b4166SPaul Burton select MIPS_CPC 23869f98f3ddSPaul Burton 23879c38cf44SPaul Burtonconfig MIPS_CPC 23889c38cf44SPaul Burton bool 23892600990eSRalf Baechle 23901da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 23911da177e4SLinus Torvalds bool 23921da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 23931da177e4SLinus Torvalds default y 23941da177e4SLinus Torvalds 23951da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 23961da177e4SLinus Torvalds bool 23971da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 23981da177e4SLinus Torvalds default y 23991da177e4SLinus Torvalds 24002235a54dSSanjay Lal 24019e2b5372SMarkos Chandraschoice 24029e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24039e2b5372SMarkos Chandras 24049e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24059e2b5372SMarkos Chandras bool "None" 24069e2b5372SMarkos Chandras help 24079e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24089e2b5372SMarkos Chandras 24099693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24109693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24119e2b5372SMarkos Chandras bool "SmartMIPS" 24129693a853SFranck Bui-Huu help 24139693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24149693a853SFranck Bui-Huu increased security at both hardware and software level for 24159693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24169693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24179693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24189693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24199693a853SFranck Bui-Huu here. 24209693a853SFranck Bui-Huu 2421bce86083SSteven J. Hillconfig CPU_MICROMIPS 24227fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24239e2b5372SMarkos Chandras bool "microMIPS" 2424bce86083SSteven J. Hill help 2425bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2426bce86083SSteven J. Hill microMIPS ISA 2427bce86083SSteven J. Hill 24289e2b5372SMarkos Chandrasendchoice 24299e2b5372SMarkos Chandras 2430a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24310ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2432a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 24332a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2434a5e9a69eSPaul Burton help 2435a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2436a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24371db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24381db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24391db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24401db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24411db1af84SPaul Burton the size & complexity of your kernel. 2442a5e9a69eSPaul Burton 2443a5e9a69eSPaul Burton If unsure, say Y. 2444a5e9a69eSPaul Burton 24451da177e4SLinus Torvaldsconfig CPU_HAS_WB 2446f7062ddbSRalf Baechle bool 2447e01402b1SRalf Baechle 2448df0ac8a4SKevin Cernekeeconfig XKS01 2449df0ac8a4SKevin Cernekee bool 2450df0ac8a4SKevin Cernekee 24518256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 24528256b17eSFlorian Fainelli bool 24538256b17eSFlorian Fainelli 2454f41ae0b2SRalf Baechle# 2455f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2456f41ae0b2SRalf Baechle# 2457e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2458f41ae0b2SRalf Baechle bool 2459e01402b1SRalf Baechle 2460f41ae0b2SRalf Baechle# 2461f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2462f41ae0b2SRalf Baechle# 2463e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2464f41ae0b2SRalf Baechle bool 2465e01402b1SRalf Baechle 24661da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 24671da177e4SLinus Torvalds bool 24681da177e4SLinus Torvalds depends on !CPU_R3000 24691da177e4SLinus Torvalds default y 24701da177e4SLinus Torvalds 24711da177e4SLinus Torvalds# 247220d60d99SMaciej W. Rozycki# CPU non-features 247320d60d99SMaciej W. Rozycki# 247420d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 247520d60d99SMaciej W. Rozycki bool 247620d60d99SMaciej W. Rozycki 247720d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 247820d60d99SMaciej W. Rozycki bool 247920d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 248020d60d99SMaciej W. Rozycki 248120d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 248220d60d99SMaciej W. Rozycki bool 248320d60d99SMaciej W. Rozycki 24844edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 24854edf00a4SPaul Burton int 24864edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 24874edf00a4SPaul Burton default 4 if CPU_R8000 24884edf00a4SPaul Burton default 0 24894edf00a4SPaul Burton 24904edf00a4SPaul Burtonconfig MIPS_ASID_BITS 24914edf00a4SPaul Burton int 24922db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 24934edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 24944edf00a4SPaul Burton default 8 24954edf00a4SPaul Burton 24962db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 24972db003a5SPaul Burton bool 24982db003a5SPaul Burton 24994a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25004a5dc51eSMarcin Nowakowski bool 25014a5dc51eSMarcin Nowakowski 250220d60d99SMaciej W. Rozycki# 25031da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25041da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25051da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25061da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25071da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25081da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25091da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25101da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2511797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2512797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2513797798c1SRalf Baechle# support. 25141da177e4SLinus Torvalds# 25151da177e4SLinus Torvaldsconfig HIGHMEM 25161da177e4SLinus Torvalds bool "High Memory Support" 2517a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2518797798c1SRalf Baechle 2519797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2520797798c1SRalf Baechle bool 2521797798c1SRalf Baechle 2522797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2523797798c1SRalf Baechle bool 25241da177e4SLinus Torvalds 25259693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25269693a853SFranck Bui-Huu bool 25279693a853SFranck Bui-Huu 2528a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2529a6a4834cSSteven J. Hill bool 2530a6a4834cSSteven J. Hill 2531377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2532377cb1b6SRalf Baechle bool 2533377cb1b6SRalf Baechle help 2534377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2535377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2536377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2537377cb1b6SRalf Baechle 2538a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2539a5e9a69eSPaul Burton bool 2540a5e9a69eSPaul Burton 2541b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2542b4819b59SYoichi Yuasa def_bool y 2543f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2544b4819b59SYoichi Yuasa 2545d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2546d8cb4e11SRalf Baechle bool 2547d8cb4e11SRalf Baechle default y if SGI_IP27 2548d8cb4e11SRalf Baechle help 25493dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2550d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2551d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2552d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2553d8cb4e11SRalf Baechle 2554b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2555b1c6cd42SAtsushi Nemoto bool 25567de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 255731473747SAtsushi Nemoto 2558d8cb4e11SRalf Baechleconfig NUMA 2559d8cb4e11SRalf Baechle bool "NUMA Support" 2560d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2561d8cb4e11SRalf Baechle help 2562d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2563d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2564d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2565d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2566d8cb4e11SRalf Baechle disabled. 2567d8cb4e11SRalf Baechle 2568d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2569d8cb4e11SRalf Baechle bool 2570d8cb4e11SRalf Baechle 25718c530ea3SMatt Redfearnconfig RELOCATABLE 25728c530ea3SMatt Redfearn bool "Relocatable kernel" 25733ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 25748c530ea3SMatt Redfearn help 25758c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 25768c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 25778c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 25788c530ea3SMatt Redfearn but are discarded at runtime 25798c530ea3SMatt Redfearn 2580069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2581069fd766SMatt Redfearn hex "Relocation table size" 2582069fd766SMatt Redfearn depends on RELOCATABLE 2583069fd766SMatt Redfearn range 0x0 0x01000000 2584069fd766SMatt Redfearn default "0x00100000" 2585069fd766SMatt Redfearn ---help--- 2586069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2587069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2588069fd766SMatt Redfearn 2589069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2590069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2591069fd766SMatt Redfearn 2592069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2593069fd766SMatt Redfearn 2594069fd766SMatt Redfearn If unsure, leave at the default value. 2595069fd766SMatt Redfearn 2596405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2597405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2598405bc8fdSMatt Redfearn depends on RELOCATABLE 2599405bc8fdSMatt Redfearn ---help--- 2600405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2601405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2602405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2603405bc8fdSMatt Redfearn of kernel internals. 2604405bc8fdSMatt Redfearn 2605405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2606405bc8fdSMatt Redfearn 2607405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2608405bc8fdSMatt Redfearn 2609405bc8fdSMatt Redfearn If unsure, say N. 2610405bc8fdSMatt Redfearn 2611405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2612405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2613405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2614405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2615405bc8fdSMatt Redfearn range 0x0 0x08000000 2616405bc8fdSMatt Redfearn default "0x01000000" 2617405bc8fdSMatt Redfearn ---help--- 2618405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2619405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2620405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2621405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2622405bc8fdSMatt Redfearn 2623405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2624405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2625405bc8fdSMatt Redfearn 2626c80d79d7SYasunori Gotoconfig NODES_SHIFT 2627c80d79d7SYasunori Goto int 2628c80d79d7SYasunori Goto default "6" 2629c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2630c80d79d7SYasunori Goto 263114f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 263214f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 263323021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 263414f70012SDeng-Cheng Zhu default y 263514f70012SDeng-Cheng Zhu help 263614f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 263714f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 263814f70012SDeng-Cheng Zhu 2639b4819b59SYoichi Yuasasource "mm/Kconfig" 2640b4819b59SYoichi Yuasa 26411da177e4SLinus Torvaldsconfig SMP 26421da177e4SLinus Torvalds bool "Multi-Processing support" 2643e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2644e73ea273SRalf Baechle help 26451da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 26464a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 26474a474157SRobert Graffham than one CPU, say Y. 26481da177e4SLinus Torvalds 26494a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 26501da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 26511da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 26524a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 26531da177e4SLinus Torvalds will run faster if you say N here. 26541da177e4SLinus Torvalds 26551da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 26561da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 26571da177e4SLinus Torvalds 265803502faaSAdrian Bunk See also the SMP-HOWTO available at 265903502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 26601da177e4SLinus Torvalds 26611da177e4SLinus Torvalds If you don't know what to do here, say N. 26621da177e4SLinus Torvalds 26637840d618SMatt Redfearnconfig HOTPLUG_CPU 26647840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 26657840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 26667840d618SMatt Redfearn help 26677840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 26687840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 26697840d618SMatt Redfearn (Note: power management support will enable this option 26707840d618SMatt Redfearn automatically on SMP systems. ) 26717840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 26727840d618SMatt Redfearn 267387353d8aSRalf Baechleconfig SMP_UP 267487353d8aSRalf Baechle bool 267587353d8aSRalf Baechle 26764a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 26774a16ff4cSRalf Baechle bool 26784a16ff4cSRalf Baechle 26790ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 26800ee958e1SPaul Burton bool 26810ee958e1SPaul Burton 2682e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2683e73ea273SRalf Baechle bool 2684e73ea273SRalf Baechle 2685130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2686130e2fb7SRalf Baechle bool 2687130e2fb7SRalf Baechle 2688130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2689130e2fb7SRalf Baechle bool 2690130e2fb7SRalf Baechle 2691130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2692130e2fb7SRalf Baechle bool 2693130e2fb7SRalf Baechle 2694130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2695130e2fb7SRalf Baechle bool 2696130e2fb7SRalf Baechle 2697130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2698130e2fb7SRalf Baechle bool 2699130e2fb7SRalf Baechle 27001da177e4SLinus Torvaldsconfig NR_CPUS 2701a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2702a91796a9SJayachandran C range 2 256 27031da177e4SLinus Torvalds depends on SMP 2704130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2705130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2706130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2707130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2708130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27091da177e4SLinus Torvalds help 27101da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27111da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27121da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 271372ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 271472ede9b1SAtsushi Nemoto and 2 for all others. 27151da177e4SLinus Torvalds 27161da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 271772ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 271872ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 271972ede9b1SAtsushi Nemoto power of two. 27201da177e4SLinus Torvalds 2721399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2722399aaa25SAl Cooper bool 2723399aaa25SAl Cooper 27247820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27257820b84bSDavid Daney bool 27267820b84bSDavid Daney 27277820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27287820b84bSDavid Daney int 27297820b84bSDavid Daney depends on SMP 27307820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 27317820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 27327820b84bSDavid Daney 27331723b4a3SAtsushi Nemoto# 27341723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 27351723b4a3SAtsushi Nemoto# 27361723b4a3SAtsushi Nemoto 27371723b4a3SAtsushi Nemotochoice 27381723b4a3SAtsushi Nemoto prompt "Timer frequency" 27391723b4a3SAtsushi Nemoto default HZ_250 27401723b4a3SAtsushi Nemoto help 27411723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 27421723b4a3SAtsushi Nemoto 274367596573SPaul Burton config HZ_24 274467596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 274567596573SPaul Burton 27461723b4a3SAtsushi Nemoto config HZ_48 27470f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 27481723b4a3SAtsushi Nemoto 27491723b4a3SAtsushi Nemoto config HZ_100 27501723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 27511723b4a3SAtsushi Nemoto 27521723b4a3SAtsushi Nemoto config HZ_128 27531723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 27541723b4a3SAtsushi Nemoto 27551723b4a3SAtsushi Nemoto config HZ_250 27561723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 27571723b4a3SAtsushi Nemoto 27581723b4a3SAtsushi Nemoto config HZ_256 27591723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 27601723b4a3SAtsushi Nemoto 27611723b4a3SAtsushi Nemoto config HZ_1000 27621723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 27631723b4a3SAtsushi Nemoto 27641723b4a3SAtsushi Nemoto config HZ_1024 27651723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 27661723b4a3SAtsushi Nemoto 27671723b4a3SAtsushi Nemotoendchoice 27681723b4a3SAtsushi Nemoto 276967596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 277067596573SPaul Burton bool 277167596573SPaul Burton 27721723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 27731723b4a3SAtsushi Nemoto bool 27741723b4a3SAtsushi Nemoto 27751723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 27761723b4a3SAtsushi Nemoto bool 27771723b4a3SAtsushi Nemoto 27781723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 27791723b4a3SAtsushi Nemoto bool 27801723b4a3SAtsushi Nemoto 27811723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 27821723b4a3SAtsushi Nemoto bool 27831723b4a3SAtsushi Nemoto 27841723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 27851723b4a3SAtsushi Nemoto bool 27861723b4a3SAtsushi Nemoto 27871723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 27881723b4a3SAtsushi Nemoto bool 27891723b4a3SAtsushi Nemoto 27901723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 27911723b4a3SAtsushi Nemoto bool 27921723b4a3SAtsushi Nemoto 27931723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 27941723b4a3SAtsushi Nemoto bool 279567596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 279667596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 279767596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 279867596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 279967596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 280067596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 280167596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28021723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28031723b4a3SAtsushi Nemoto 28041723b4a3SAtsushi Nemotoconfig HZ 28051723b4a3SAtsushi Nemoto int 280667596573SPaul Burton default 24 if HZ_24 28071723b4a3SAtsushi Nemoto default 48 if HZ_48 28081723b4a3SAtsushi Nemoto default 100 if HZ_100 28091723b4a3SAtsushi Nemoto default 128 if HZ_128 28101723b4a3SAtsushi Nemoto default 250 if HZ_250 28111723b4a3SAtsushi Nemoto default 256 if HZ_256 28121723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28131723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28141723b4a3SAtsushi Nemoto 281596685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 281696685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 281796685b17SDeng-Cheng Zhu 2818e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 28191da177e4SLinus Torvalds 2820ea6e942bSAtsushi Nemotoconfig KEXEC 28217d60717eSKees Cook bool "Kexec system call" 28222965faa5SDave Young select KEXEC_CORE 2823ea6e942bSAtsushi Nemoto help 2824ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2825ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28263dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2827ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2828ea6e942bSAtsushi Nemoto 282901dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2830ea6e942bSAtsushi Nemoto 2831ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2832ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2833bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2834bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2835bf220695SGeert Uytterhoeven made. 2836ea6e942bSAtsushi Nemoto 28377aa1c8f4SRalf Baechleconfig CRASH_DUMP 28387aa1c8f4SRalf Baechle bool "Kernel crash dumps" 28397aa1c8f4SRalf Baechle help 28407aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 28417aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 28427aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 28437aa1c8f4SRalf Baechle a specially reserved region and then later executed after 28447aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 28457aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 28467aa1c8f4SRalf Baechle PHYSICAL_START. 28477aa1c8f4SRalf Baechle 28487aa1c8f4SRalf Baechleconfig PHYSICAL_START 28497aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 28508bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 28517aa1c8f4SRalf Baechle depends on CRASH_DUMP 28527aa1c8f4SRalf Baechle help 28537aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 28547aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 28557aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 28567aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 28577aa1c8f4SRalf Baechle passed to the panic-ed kernel). 28587aa1c8f4SRalf Baechle 2859ea6e942bSAtsushi Nemotoconfig SECCOMP 2860ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2861293c5bd1SRalf Baechle depends on PROC_FS 2862ea6e942bSAtsushi Nemoto default y 2863ea6e942bSAtsushi Nemoto help 2864ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2865ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2866ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2867ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2868ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2869ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2870ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2871ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2872ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2873ea6e942bSAtsushi Nemoto 2874ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2875ea6e942bSAtsushi Nemoto 2876597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 28770ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2878597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2879597ce172SPaul Burton help 2880597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2881597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2882597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2883597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2884597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2885597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2886597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2887597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2888597ce172SPaul Burton saying N here. 2889597ce172SPaul Burton 289006e2e882SPaul Burton Although binutils currently supports use of this flag the details 289106e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 289206e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 289306e2e882SPaul Burton behaviour before the details have been finalised, this option should 289406e2e882SPaul Burton be considered experimental and only enabled by those working upon 289506e2e882SPaul Burton said details. 289606e2e882SPaul Burton 289706e2e882SPaul Burton If unsure, say N. 2898597ce172SPaul Burton 2899f2ffa5abSDezhong Diaoconfig USE_OF 29000b3e06fdSJonas Gorski bool 2901f2ffa5abSDezhong Diao select OF 2902e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2903abd2363fSGrant Likely select IRQ_DOMAIN 2904f2ffa5abSDezhong Diao 29057fafb068SAndrew Brestickerconfig BUILTIN_DTB 29067fafb068SAndrew Bresticker bool 29077fafb068SAndrew Bresticker 29081da8f179SJonas Gorskichoice 29095b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29101da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29111da8f179SJonas Gorski 29121da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29131da8f179SJonas Gorski bool "None" 29141da8f179SJonas Gorski help 29151da8f179SJonas Gorski Do not enable appended dtb support. 29161da8f179SJonas Gorski 291787db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 291887db537dSAaro Koskinen bool "vmlinux" 291987db537dSAaro Koskinen help 292087db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 292187db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 292287db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 292387db537dSAaro Koskinen objcopy: 292487db537dSAaro Koskinen 292587db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 292687db537dSAaro Koskinen 292787db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 292887db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 292987db537dSAaro Koskinen the documented boot protocol using a device tree. 293087db537dSAaro Koskinen 29311da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2932b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29331da8f179SJonas Gorski help 29341da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2935b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 29361da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 29371da8f179SJonas Gorski 29381da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 29391da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 29401da8f179SJonas Gorski the documented boot protocol using a device tree. 29411da8f179SJonas Gorski 29421da8f179SJonas Gorski Beware that there is very little in terms of protection against 29431da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 29441da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 29451da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 29461da8f179SJonas Gorski if you don't intend to always append a DTB. 29471da8f179SJonas Gorskiendchoice 29481da8f179SJonas Gorski 29492024972eSJonas Gorskichoice 29502024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 29512bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 29523f5f0a44SPaul Burton !MIPS_MALTA && \ 29532bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 29542024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 29552024972eSJonas Gorski 29562024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 29572024972eSJonas Gorski depends on USE_OF 29582024972eSJonas Gorski bool "Dtb kernel arguments if available" 29592024972eSJonas Gorski 29602024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 29612024972eSJonas Gorski depends on USE_OF 29622024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 29632024972eSJonas Gorski 29642024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 29652024972eSJonas Gorski bool "Bootloader kernel arguments if available" 2966ed47e153SRabin Vincent 2967ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 2968ed47e153SRabin Vincent depends on CMDLINE_BOOL 2969ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 29702024972eSJonas Gorskiendchoice 29712024972eSJonas Gorski 29725e83d430SRalf Baechleendmenu 29735e83d430SRalf Baechle 29741df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 29751df0f0ffSAtsushi Nemoto bool 29761df0f0ffSAtsushi Nemoto default y 29771df0f0ffSAtsushi Nemoto 29781df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 29791df0f0ffSAtsushi Nemoto bool 29801df0f0ffSAtsushi Nemoto default y 29811df0f0ffSAtsushi Nemoto 2982e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 2983e1e16115SAaro Koskinen bool 2984e1e16115SAaro Koskinen default y 2985e1e16115SAaro Koskinen 2986a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2987a728ab52SKirill A. Shutemov int 29883377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 2989a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2990a728ab52SKirill A. Shutemov default 2 2991a728ab52SKirill A. Shutemov 2992b6c3539bSRalf Baechlesource "init/Kconfig" 2993b6c3539bSRalf Baechle 2994dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2995dc52ddc0SMatt Helsley 29961da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 29971da177e4SLinus Torvalds 29985e83d430SRalf Baechleconfig HW_HAS_EISA 29995e83d430SRalf Baechle bool 30001da177e4SLinus Torvaldsconfig HW_HAS_PCI 30011da177e4SLinus Torvalds bool 30021da177e4SLinus Torvalds 30031da177e4SLinus Torvaldsconfig PCI 30041da177e4SLinus Torvalds bool "Support for PCI controller" 30051da177e4SLinus Torvalds depends on HW_HAS_PCI 3006abb4ae46SRalf Baechle select PCI_DOMAINS 30071da177e4SLinus Torvalds help 30081da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 30091da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 30101da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 30111da177e4SLinus Torvalds say Y, otherwise N. 30121da177e4SLinus Torvalds 30130e476d91SHuacai Chenconfig HT_PCI 30140e476d91SHuacai Chen bool "Support for HT-linked PCI" 30150e476d91SHuacai Chen default y 30160e476d91SHuacai Chen depends on CPU_LOONGSON3 30170e476d91SHuacai Chen select PCI 30180e476d91SHuacai Chen select PCI_DOMAINS 30190e476d91SHuacai Chen help 30200e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 30210e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 30220e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 30230e476d91SHuacai Chen 30241da177e4SLinus Torvaldsconfig PCI_DOMAINS 30251da177e4SLinus Torvalds bool 30261da177e4SLinus Torvalds 302788555b48SPaul Burtonconfig PCI_DOMAINS_GENERIC 302888555b48SPaul Burton bool 302988555b48SPaul Burton 3030c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 303187dd9a4dSPaul Burton select PCI_DOMAINS_GENERIC if PCI_DOMAINS 3032c5611df9SPaul Burton bool 3033c5611df9SPaul Burton 3034c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3035c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3036c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 3037c5611df9SPaul Burton 30381da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 30391da177e4SLinus Torvalds 30401da177e4SLinus Torvalds# 30411da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30421da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30431da177e4SLinus Torvalds# users to choose the right thing ... 30441da177e4SLinus Torvalds# 30451da177e4SLinus Torvaldsconfig ISA 30461da177e4SLinus Torvalds bool 30471da177e4SLinus Torvalds 30481da177e4SLinus Torvaldsconfig EISA 30491da177e4SLinus Torvalds bool "EISA support" 30505e83d430SRalf Baechle depends on HW_HAS_EISA 30511da177e4SLinus Torvalds select ISA 3052aa414dffSRalf Baechle select GENERIC_ISA_DMA 30531da177e4SLinus Torvalds ---help--- 30541da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 30551da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 30561da177e4SLinus Torvalds 30571da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 30581da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 30591da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 30601da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 30611da177e4SLinus Torvalds 30621da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 30631da177e4SLinus Torvalds 30641da177e4SLinus Torvalds Otherwise, say N. 30651da177e4SLinus Torvalds 30661da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 30671da177e4SLinus Torvalds 30681da177e4SLinus Torvaldsconfig TC 30691da177e4SLinus Torvalds bool "TURBOchannel support" 30701da177e4SLinus Torvalds depends on MACH_DECSTATION 30711da177e4SLinus Torvalds help 307250a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 307350a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 307450a23e6eSJustin P. Mattock at: 307550a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 307650a23e6eSJustin P. Mattock and: 307750a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 307850a23e6eSJustin P. Mattock Linux driver support status is documented at: 307950a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30801da177e4SLinus Torvalds 30811da177e4SLinus Torvaldsconfig MMU 30821da177e4SLinus Torvalds bool 30831da177e4SLinus Torvalds default y 30841da177e4SLinus Torvalds 3085109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3086109c32ffSMatt Redfearn default 12 if 64BIT 3087109c32ffSMatt Redfearn default 8 3088109c32ffSMatt Redfearn 3089109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3090109c32ffSMatt Redfearn default 18 if 64BIT 3091109c32ffSMatt Redfearn default 15 3092109c32ffSMatt Redfearn 3093109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3094109c32ffSMatt Redfearn default 8 3095109c32ffSMatt Redfearn 3096109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3097109c32ffSMatt Redfearn default 15 3098109c32ffSMatt Redfearn 3099d865bea4SRalf Baechleconfig I8253 3100d865bea4SRalf Baechle bool 3101798778b8SRussell King select CLKSRC_I8253 31022d02612fSThomas Gleixner select CLKEVT_I8253 31039726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3104d865bea4SRalf Baechle 3105e05eb3f8SRalf Baechleconfig ZONE_DMA 3106e05eb3f8SRalf Baechle bool 3107e05eb3f8SRalf Baechle 3108cce335aeSRalf Baechleconfig ZONE_DMA32 3109cce335aeSRalf Baechle bool 3110cce335aeSRalf Baechle 31111da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 31121da177e4SLinus Torvalds 3113388b78adSAlexandre Bounineconfig RAPIDIO 311456abde72SAlexandre Bounine tristate "RapidIO support" 3115388b78adSAlexandre Bounine depends on PCI 3116388b78adSAlexandre Bounine default n 3117388b78adSAlexandre Bounine help 3118388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 3119388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 3120388b78adSAlexandre Bounine 3121388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 3122388b78adSAlexandre Bounine 31231da177e4SLinus Torvaldsendmenu 31241da177e4SLinus Torvalds 31251da177e4SLinus Torvaldsmenu "Executable file formats" 31261da177e4SLinus Torvalds 31271da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 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 315878aaf956SRalf Baechle select COMPAT 315978aaf956SRalf Baechle select MIPS32_COMPAT 316078aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31611da177e4SLinus Torvalds help 31621da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31631da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31641da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31651da177e4SLinus Torvalds cases. 31661da177e4SLinus Torvalds 31671da177e4SLinus Torvalds If unsure, say N. 31681da177e4SLinus Torvalds 31691da177e4SLinus Torvaldsconfig BINFMT_ELF32 31701da177e4SLinus Torvalds bool 31711da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3172f43edca7SRalf Baechle select ELFCORE 31731da177e4SLinus Torvalds 31742116245eSRalf Baechleendmenu 31751da177e4SLinus Torvalds 31762116245eSRalf Baechlemenu "Power management options" 3177952fa954SRodolfo Giometti 3178363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3179363c55caSWu Zhangjin def_bool y 31803f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3181363c55caSWu Zhangjin 3182f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3183f4cb5700SJohannes Berg def_bool y 31843f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3185f4cb5700SJohannes Berg 31862116245eSRalf Baechlesource "kernel/power/Kconfig" 3187952fa954SRodolfo Giometti 31881da177e4SLinus Torvaldsendmenu 31891da177e4SLinus Torvalds 31907a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31917a998935SViresh Kumar bool 31927a998935SViresh Kumar 31937a998935SViresh Kumarmenu "CPU Power Management" 3194c095ebafSPaul Burton 3195c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31967a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31977a998935SViresh Kumarendif 31989726b43aSWu Zhangjin 3199c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3200c095ebafSPaul Burton 3201c095ebafSPaul Burtonendmenu 3202c095ebafSPaul Burton 3203d5950b43SSam Ravnborgsource "net/Kconfig" 3204d5950b43SSam Ravnborg 32051da177e4SLinus Torvaldssource "drivers/Kconfig" 32061da177e4SLinus Torvalds 320798cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 320898cdee0eSRalf Baechle 32091da177e4SLinus Torvaldssource "fs/Kconfig" 32101da177e4SLinus Torvalds 32111da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 32121da177e4SLinus Torvalds 32131da177e4SLinus Torvaldssource "security/Kconfig" 32141da177e4SLinus Torvalds 32151da177e4SLinus Torvaldssource "crypto/Kconfig" 32161da177e4SLinus Torvalds 32171da177e4SLinus Torvaldssource "lib/Kconfig" 32182235a54dSSanjay Lal 32192235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3220