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_API_DEBUG 4612597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 4712597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 4812597988SMatt Redfearn select HAVE_EXIT_THREAD 4912597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 5029c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 5112597988SMatt Redfearn select HAVE_FUNCTION_TRACER 5212597988SMatt Redfearn select HAVE_GENERIC_DMA_COHERENT 5312597988SMatt Redfearn select HAVE_IDE 5412597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 5512597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 56c1bf207dSDavid Daney select HAVE_KPROBES 57c1bf207dSDavid Daney select HAVE_KRETPROBES 589d15ffc8STejun Heo select HAVE_MEMBLOCK 599d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 60786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 6142a0bb3fSPetr Mladek select HAVE_NMI 6212597988SMatt Redfearn select HAVE_OPROFILE 6312597988SMatt Redfearn select HAVE_PERF_EVENTS 6408bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 6512597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 66a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 6712597988SMatt Redfearn select IRQ_FORCED_THREADING 6812597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 6912597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 7012597988SMatt Redfearn select PERF_USE_VMALLOC 7112597988SMatt Redfearn select RTC_LIB if !MACH_LOONGSON64 7212597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 7312597988SMatt Redfearn select VIRT_TO_BUS 741da177e4SLinus Torvalds 751da177e4SLinus Torvaldsmenu "Machine selection" 761da177e4SLinus Torvalds 775e83d430SRalf Baechlechoice 785e83d430SRalf Baechle prompt "System type" 79d41e6858SMatt Redfearn default MIPS_GENERIC 801da177e4SLinus Torvalds 81eed0eabdSPaul Burtonconfig MIPS_GENERIC 82eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 83eed0eabdSPaul Burton select BOOT_RAW 84eed0eabdSPaul Burton select BUILTIN_DTB 85eed0eabdSPaul Burton select CEVT_R4K 86eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 87eed0eabdSPaul Burton select COMMON_CLK 88eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 89eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 90eed0eabdSPaul Burton select CSRC_R4K 91eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 92eed0eabdSPaul Burton select HW_HAS_PCI 93eed0eabdSPaul Burton select IRQ_MIPS_CPU 94eed0eabdSPaul Burton select LIBFDT 95eed0eabdSPaul Burton select MIPS_CPU_SCACHE 96eed0eabdSPaul Burton select MIPS_GIC 97eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 98eed0eabdSPaul Burton select NO_EXCEPT_FILL 99eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 100eed0eabdSPaul Burton select PINCTRL 101eed0eabdSPaul Burton select SMP_UP if SMP 102a3078e59SMatt Redfearn select SWAP_IO_SPACE 103eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 104eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 105eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 106eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 107eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 108eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 109eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 110eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 111eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 112eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 113eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 114eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 115eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 116eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 117eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 118eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 119eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1202e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1212e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1222e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1232e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1242e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1252e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 126eed0eabdSPaul Burton select USE_OF 127eed0eabdSPaul Burton help 128eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 129eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 130eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 131eed0eabdSPaul Burton Interface) specification. 132eed0eabdSPaul Burton 13342a4f17dSManuel Laussconfig MIPS_ALCHEMY 134c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 13534adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 136f772cdb2SRalf Baechle select CEVT_R4K 137d7ea335cSSteven J. Hill select CSRC_R4K 13867e38cf2SRalf Baechle select IRQ_MIPS_CPU 13988e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 14042a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 14142a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 14242a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 143d30a2b47SLinus Walleij select GPIOLIB 1441b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 14547440229SManuel Lauss select COMMON_CLK 1461da177e4SLinus Torvalds 1477ca5dc14SFlorian Fainelliconfig AR7 1487ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1497ca5dc14SFlorian Fainelli select BOOT_ELF32 1507ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1517ca5dc14SFlorian Fainelli select CEVT_R4K 1527ca5dc14SFlorian Fainelli select CSRC_R4K 15367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1547ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1557ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1567ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1577ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1587ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1597ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 160377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1611b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 162d30a2b47SLinus Walleij select GPIOLIB 1637ca5dc14SFlorian Fainelli select VLYNQ 1648551fb64SYoichi Yuasa select HAVE_CLK 1657ca5dc14SFlorian Fainelli help 1667ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1677ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1687ca5dc14SFlorian Fainelli 16943cc739fSSergey Ryazanovconfig ATH25 17043cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 17143cc739fSSergey Ryazanov select CEVT_R4K 17243cc739fSSergey Ryazanov select CSRC_R4K 17343cc739fSSergey Ryazanov select DMA_NONCOHERENT 17467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1751753e74eSSergey Ryazanov select IRQ_DOMAIN 17643cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 17743cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 17843cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1798aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 18043cc739fSSergey Ryazanov help 18143cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 18243cc739fSSergey Ryazanov 183d4a67d9dSGabor Juhosconfig ATH79 184d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 185ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 186d4a67d9dSGabor Juhos select BOOT_RAW 187d4a67d9dSGabor Juhos select CEVT_R4K 188d4a67d9dSGabor Juhos select CSRC_R4K 189d4a67d9dSGabor Juhos select DMA_NONCOHERENT 190d30a2b47SLinus Walleij select GPIOLIB 19194638067SGabor Juhos select HAVE_CLK 192411520afSAlban Bedel select COMMON_CLK 1932c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 19467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1950aabf1a4SGabor Juhos select MIPS_MACHINE 196d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 197d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 198d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 199d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 200377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 201b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 20203c8c407SAlban Bedel select USE_OF 203*53d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 204d4a67d9dSGabor Juhos help 205d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 206d4a67d9dSGabor Juhos 2075f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2085f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 209d666cd02SKevin Cernekee select BOOT_RAW 210d666cd02SKevin Cernekee select NO_EXCEPT_FILL 211d666cd02SKevin Cernekee select USE_OF 212d666cd02SKevin Cernekee select CEVT_R4K 213d666cd02SKevin Cernekee select CSRC_R4K 214d666cd02SKevin Cernekee select SYNC_R4K 215d666cd02SKevin Cernekee select COMMON_CLK 216c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 21760b858f2SKevin Cernekee select BCM7038_L1_IRQ 21860b858f2SKevin Cernekee select BCM7120_L2_IRQ 21960b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 22067e38cf2SRalf Baechle select IRQ_MIPS_CPU 22160b858f2SKevin Cernekee select DMA_NONCOHERENT 222d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 22360b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 224d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 225d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 22660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 22760b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 22860b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 229d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 230d666cd02SKevin Cernekee select SWAP_IO_SPACE 23160b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 23260b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 23360b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 23460b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2354dc4704cSJustin Chen select HARDIRQS_SW_RESEND 236d666cd02SKevin Cernekee help 2375f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2385f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2395f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2405f2d4459SKevin Cernekee must be set appropriately for your board. 241d666cd02SKevin Cernekee 2421c0c13ebSAurelien Jarnoconfig BCM47XX 243c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 244fe08f8c2SHauke Mehrtens select BOOT_RAW 24542f77542SRalf Baechle select CEVT_R4K 246940f6b48SRalf Baechle select CSRC_R4K 2471c0c13ebSAurelien Jarno select DMA_NONCOHERENT 2481c0c13ebSAurelien Jarno select HW_HAS_PCI 24967e38cf2SRalf Baechle select IRQ_MIPS_CPU 250314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 251dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2521c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2531c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 254377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2556507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 25625e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 257e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 258c949c0bcSRafał Miłecki select GPIOLIB 259c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 260f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2612ab71a02SRafał Miłecki select BCM47XX_SPROM 262dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2631c0c13ebSAurelien Jarno help 2641c0c13ebSAurelien Jarno Support for BCM47XX based boards 2651c0c13ebSAurelien Jarno 266e7300d04SMaxime Bizonconfig BCM63XX 267e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 268ae8de61cSFlorian Fainelli select BOOT_RAW 269e7300d04SMaxime Bizon select CEVT_R4K 270e7300d04SMaxime Bizon select CSRC_R4K 271fc264022SJonas Gorski select SYNC_R4K 272e7300d04SMaxime Bizon select DMA_NONCOHERENT 27367e38cf2SRalf Baechle select IRQ_MIPS_CPU 274e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 275e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 276e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 277e7300d04SMaxime Bizon select SWAP_IO_SPACE 278d30a2b47SLinus Walleij select GPIOLIB 2793e82eeebSYoichi Yuasa select HAVE_CLK 280af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 281c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 282e7300d04SMaxime Bizon help 283e7300d04SMaxime Bizon Support for BCM63XX based boards 284e7300d04SMaxime Bizon 2851da177e4SLinus Torvaldsconfig MIPS_COBALT 2863fa986faSMartin Michlmayr bool "Cobalt Server" 28742f77542SRalf Baechle select CEVT_R4K 288940f6b48SRalf Baechle select CSRC_R4K 2891097c6acSYoichi Yuasa select CEVT_GT641XX 2901da177e4SLinus Torvalds select DMA_NONCOHERENT 2911da177e4SLinus Torvalds select HW_HAS_PCI 292d865bea4SRalf Baechle select I8253 2931da177e4SLinus Torvalds select I8259 29467e38cf2SRalf Baechle select IRQ_MIPS_CPU 295d5ab1a69SYoichi Yuasa select IRQ_GT641XX 296252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 297e25bfc92SYoichi Yuasa select PCI 2987cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2990a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 300ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3010e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3025e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 303e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvaldsconfig MACH_DECSTATION 3063fa986faSMartin Michlmayr bool "DECstations" 3071da177e4SLinus Torvalds select BOOT_ELF32 3086457d9fcSYoichi Yuasa select CEVT_DS1287 30981d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3104247417dSYoichi Yuasa select CSRC_IOASIC 31181d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 31220d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 31320d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 31420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3151da177e4SLinus Torvalds select DMA_NONCOHERENT 316ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 31767e38cf2SRalf Baechle select IRQ_MIPS_CPU 3187cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3197cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 320ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3217d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3225e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3231723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3241723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3251723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 326930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3275e83d430SRalf Baechle help 3281da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3291da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3301da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3311da177e4SLinus Torvalds 3321da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3331da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3341da177e4SLinus Torvalds 3351da177e4SLinus Torvalds DECstation 5000/50 3361da177e4SLinus Torvalds DECstation 5000/150 3371da177e4SLinus Torvalds DECstation 5000/260 3381da177e4SLinus Torvalds DECsystem 5900/260 3391da177e4SLinus Torvalds 3401da177e4SLinus Torvalds otherwise choose R3000. 3411da177e4SLinus Torvalds 3425e83d430SRalf Baechleconfig MACH_JAZZ 3433fa986faSMartin Michlmayr bool "Jazz family of machines" 344a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3457a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3460e2794b0SRalf Baechle select FW_ARC 3470e2794b0SRalf Baechle select FW_ARC32 3485e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 34942f77542SRalf Baechle select CEVT_R4K 350940f6b48SRalf Baechle select CSRC_R4K 351e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3525e83d430SRalf Baechle select GENERIC_ISA_DMA 3538a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 35467e38cf2SRalf Baechle select IRQ_MIPS_CPU 355d865bea4SRalf Baechle select I8253 3565e83d430SRalf Baechle select I8259 3575e83d430SRalf Baechle select ISA 3587cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3595e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3607d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3611723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3621da177e4SLinus Torvalds help 3635e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3645e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 365692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3665e83d430SRalf Baechle Olivetti M700-10 workstations. 3675e83d430SRalf Baechle 368de361e8bSPaul Burtonconfig MACH_INGENIC 369de361e8bSPaul Burton bool "Ingenic SoC based machines" 3705ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3715ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 372f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3735ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 37467e38cf2SRalf Baechle select IRQ_MIPS_CPU 37537b4c3caSPaul Cercueil select PINCTRL 376d30a2b47SLinus Walleij select GPIOLIB 377ff1930c6SPaul Burton select COMMON_CLK 37883bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 379ffb1843dSPaul Burton select BUILTIN_DTB 380ffb1843dSPaul Burton select USE_OF 3816ec127fbSPaul Burton select LIBFDT 3825ebabe59SLars-Peter Clausen 383171bb2f1SJohn Crispinconfig LANTIQ 384171bb2f1SJohn Crispin bool "Lantiq based platforms" 385171bb2f1SJohn Crispin select DMA_NONCOHERENT 38667e38cf2SRalf Baechle select IRQ_MIPS_CPU 387171bb2f1SJohn Crispin select CEVT_R4K 388171bb2f1SJohn Crispin select CSRC_R4K 389171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 390171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 391171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 392171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 393377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 394171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 395f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 396171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 397d30a2b47SLinus Walleij select GPIOLIB 398171bb2f1SJohn Crispin select SWAP_IO_SPACE 399171bb2f1SJohn Crispin select BOOT_RAW 400287e3f3fSJohn Crispin select CLKDEV_LOOKUP 401a0392222SJohn Crispin select USE_OF 4023f8c50c9SJohn Crispin select PINCTRL 4033f8c50c9SJohn Crispin select PINCTRL_LANTIQ 404c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 405c530781cSJohn Crispin select RESET_CONTROLLER 406171bb2f1SJohn Crispin 4071f21d2bdSBrian Murphyconfig LASAT 4081f21d2bdSBrian Murphy bool "LASAT Networks platforms" 40942f77542SRalf Baechle select CEVT_R4K 41016f0bbbcSRalf Baechle select CRC32 411940f6b48SRalf Baechle select CSRC_R4K 4121f21d2bdSBrian Murphy select DMA_NONCOHERENT 4131f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 4141f21d2bdSBrian Murphy select HW_HAS_PCI 41567e38cf2SRalf Baechle select IRQ_MIPS_CPU 4161f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4171f21d2bdSBrian Murphy select MIPS_NILE4 4181f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4191f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4201f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4211f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4221f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4231f21d2bdSBrian Murphy 42430ad29bbSHuacai Chenconfig MACH_LOONGSON32 42530ad29bbSHuacai Chen bool "Loongson-1 family of machines" 426c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 427ade299d8SYoichi Yuasa help 42830ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 42985749d24SWu Zhangjin 43030ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 43130ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 43230ad29bbSHuacai Chen Sciences (CAS). 433ade299d8SYoichi Yuasa 43430ad29bbSHuacai Chenconfig MACH_LOONGSON64 43530ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 436ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 437ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 438ca585cf9SKelvin Cheung help 43930ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 440ca585cf9SKelvin Cheung 44130ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 44230ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 44330ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 44430ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 44530ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 44630ad29bbSHuacai Chen Weiwu Hu. 447ca585cf9SKelvin Cheung 4486a438309SAndrew Brestickerconfig MACH_PISTACHIO 4496a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4506a438309SAndrew Bresticker select BOOT_ELF32 4516a438309SAndrew Bresticker select BOOT_RAW 4526a438309SAndrew Bresticker select CEVT_R4K 4536a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4546a438309SAndrew Bresticker select COMMON_CLK 4556a438309SAndrew Bresticker select CSRC_R4K 456645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 457d30a2b47SLinus Walleij select GPIOLIB 45867e38cf2SRalf Baechle select IRQ_MIPS_CPU 4596a438309SAndrew Bresticker select LIBFDT 4606a438309SAndrew Bresticker select MFD_SYSCON 4616a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4626a438309SAndrew Bresticker select MIPS_GIC 4636a438309SAndrew Bresticker select PINCTRL 4646a438309SAndrew Bresticker select REGULATOR 4656a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4666a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4676a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4686a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4696a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 47041cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4716a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 472018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 473018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4746a438309SAndrew Bresticker select USE_OF 4756a438309SAndrew Bresticker help 4766a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4776a438309SAndrew Bresticker 4781da177e4SLinus Torvaldsconfig MIPS_MALTA 4793fa986faSMartin Michlmayr bool "MIPS Malta board" 48061ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 481a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4827a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4831da177e4SLinus Torvalds select BOOT_ELF32 484fa71c960SRalf Baechle select BOOT_RAW 485e8823d26SPaul Burton select BUILTIN_DTB 48642f77542SRalf Baechle select CEVT_R4K 487940f6b48SRalf Baechle select CSRC_R4K 488fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 48942b002abSGuenter Roeck select COMMON_CLK 490885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 4911da177e4SLinus Torvalds select GENERIC_ISA_DMA 4928a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 49367e38cf2SRalf Baechle select IRQ_MIPS_CPU 4948a19b8f1SAndrew Bresticker select MIPS_GIC 4951da177e4SLinus Torvalds select HW_HAS_PCI 496d865bea4SRalf Baechle select I8253 4971da177e4SLinus Torvalds select I8259 4985e83d430SRalf Baechle select MIPS_BONITO64 4999318c51aSChris Dearman select MIPS_CPU_SCACHE 500a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 501252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 5025e83d430SRalf Baechle select MIPS_MSC 503ecafe3e9SPaul Burton select SMP_UP if SMP 5041da177e4SLinus Torvalds select SWAP_IO_SPACE 5057cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5067cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 507bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 508c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 509575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5107cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5115d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 512575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5137cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5147cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 515ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 516ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5175e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 518c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5195e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 520424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 5210365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 522e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 523377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 524f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 5259693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 526f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5271b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 5288c530ea3SMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 529e8823d26SPaul Burton select USE_OF 53038ec82feSPaul Burton select LIBFDT 531abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 532e81a8c7dSPaul Burton select BUILTIN_DTB 533e81a8c7dSPaul Burton select LIBFDT 5341da177e4SLinus Torvalds help 535f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5361da177e4SLinus Torvalds board. 5371da177e4SLinus Torvalds 5382572f00dSJoshua Hendersonconfig MACH_PIC32 5392572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5402572f00dSJoshua Henderson help 5412572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5422572f00dSJoshua Henderson 5432572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5442572f00dSJoshua Henderson microcontrollers. 5452572f00dSJoshua Henderson 546a83860c2SRalf Baechleconfig NEC_MARKEINS 547a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 548a83860c2SRalf Baechle select SOC_EMMA2RH 549a83860c2SRalf Baechle select HW_HAS_PCI 550a83860c2SRalf Baechle help 551a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 552ade299d8SYoichi Yuasa 5535e83d430SRalf Baechleconfig MACH_VR41XX 55474142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 55542f77542SRalf Baechle select CEVT_R4K 556940f6b48SRalf Baechle select CSRC_R4K 5577cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 558377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 559d30a2b47SLinus Walleij select GPIOLIB 5605e83d430SRalf Baechle 561edb6310aSDaniel Lairdconfig NXP_STB220 562edb6310aSDaniel Laird bool "NXP STB220 board" 563edb6310aSDaniel Laird select SOC_PNX833X 564edb6310aSDaniel Laird help 565edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 566edb6310aSDaniel Laird 567edb6310aSDaniel Lairdconfig NXP_STB225 568edb6310aSDaniel Laird bool "NXP 225 board" 569edb6310aSDaniel Laird select SOC_PNX833X 570edb6310aSDaniel Laird select SOC_PNX8335 571edb6310aSDaniel Laird help 572edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 573edb6310aSDaniel Laird 5749267a30dSMarc St-Jeanconfig PMC_MSP 5759267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 57639d30c13SAnoop P A select CEVT_R4K 57739d30c13SAnoop P A select CSRC_R4K 5789267a30dSMarc St-Jean select DMA_NONCOHERENT 5799267a30dSMarc St-Jean select SWAP_IO_SPACE 5809267a30dSMarc St-Jean select NO_EXCEPT_FILL 5819267a30dSMarc St-Jean select BOOT_RAW 5829267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5839267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5849267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5859267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 586377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 58767e38cf2SRalf Baechle select IRQ_MIPS_CPU 5889267a30dSMarc St-Jean select SERIAL_8250 5899267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5909296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5919296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5929267a30dSMarc St-Jean help 5939267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 5949267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 5959267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 5969267a30dSMarc St-Jean a variety of MIPS cores. 5979267a30dSMarc St-Jean 598ae2b5bb6SJohn Crispinconfig RALINK 599ae2b5bb6SJohn Crispin bool "Ralink based machines" 600ae2b5bb6SJohn Crispin select CEVT_R4K 601ae2b5bb6SJohn Crispin select CSRC_R4K 602ae2b5bb6SJohn Crispin select BOOT_RAW 603ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 60467e38cf2SRalf Baechle select IRQ_MIPS_CPU 605ae2b5bb6SJohn Crispin select USE_OF 606ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 607ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 608ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 609ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 610377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 611ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 612ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6132a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6142a153f1cSJohn Crispin select RESET_CONTROLLER 615ae2b5bb6SJohn Crispin 6161da177e4SLinus Torvaldsconfig SGI_IP22 6173fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6180e2794b0SRalf Baechle select FW_ARC 6190e2794b0SRalf Baechle select FW_ARC32 6207a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6211da177e4SLinus Torvalds select BOOT_ELF32 62242f77542SRalf Baechle select CEVT_R4K 623940f6b48SRalf Baechle select CSRC_R4K 624e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6251da177e4SLinus Torvalds select DMA_NONCOHERENT 6265e83d430SRalf Baechle select HW_HAS_EISA 627d865bea4SRalf Baechle select I8253 62868de4803SThomas Bogendoerfer select I8259 6291da177e4SLinus Torvalds select IP22_CPU_SCACHE 63067e38cf2SRalf Baechle select IRQ_MIPS_CPU 631aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 632e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 633e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 63436e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 635e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 636e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 637e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6381da177e4SLinus Torvalds select SWAP_IO_SPACE 6397cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6407cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6412b5e63f6SMartin Michlmayr # 6422b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6432b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6442b5e63f6SMartin Michlmayr # 6452b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6462b5e63f6SMartin Michlmayr # for a more details discussion 6472b5e63f6SMartin Michlmayr # 6482b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 649ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 650ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6515e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 652930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6531da177e4SLinus Torvalds help 6541da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6551da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6561da177e4SLinus Torvalds that runs on these, say Y here. 6571da177e4SLinus Torvalds 6581da177e4SLinus Torvaldsconfig SGI_IP27 6593fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6600e2794b0SRalf Baechle select FW_ARC 6610e2794b0SRalf Baechle select FW_ARC64 6625e83d430SRalf Baechle select BOOT_ELF64 663e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 664634286f1SRalf Baechle select DMA_COHERENT 66536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6661da177e4SLinus Torvalds select HW_HAS_PCI 667130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6687cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 669ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6705e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 671d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6721a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 673930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6741da177e4SLinus Torvalds help 6751da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6761da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6771da177e4SLinus Torvalds here. 6781da177e4SLinus Torvalds 679e2defae5SThomas Bogendoerferconfig SGI_IP28 6807d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6810e2794b0SRalf Baechle select FW_ARC 6820e2794b0SRalf Baechle select FW_ARC64 6837a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 684e2defae5SThomas Bogendoerfer select BOOT_ELF64 685e2defae5SThomas Bogendoerfer select CEVT_R4K 686e2defae5SThomas Bogendoerfer select CSRC_R4K 687e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 688e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 689e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 69067e38cf2SRalf Baechle select IRQ_MIPS_CPU 691e2defae5SThomas Bogendoerfer select HW_HAS_EISA 692e2defae5SThomas Bogendoerfer select I8253 693e2defae5SThomas Bogendoerfer select I8259 694e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 695e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 6965b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 697e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 698e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 699e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 700e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 701e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7022b5e63f6SMartin Michlmayr # 7032b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7042b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7052b5e63f6SMartin Michlmayr # 7062b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7072b5e63f6SMartin Michlmayr # for a more details discussion 7082b5e63f6SMartin Michlmayr # 7092b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 710e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 711e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 712dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 713e2defae5SThomas Bogendoerfer help 714e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 715e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 716e2defae5SThomas Bogendoerfer 7171da177e4SLinus Torvaldsconfig SGI_IP32 718cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 7190e2794b0SRalf Baechle select FW_ARC 7200e2794b0SRalf Baechle select FW_ARC32 7211da177e4SLinus Torvalds select BOOT_ELF32 72242f77542SRalf Baechle select CEVT_R4K 723940f6b48SRalf Baechle select CSRC_R4K 7241da177e4SLinus Torvalds select DMA_NONCOHERENT 7251da177e4SLinus Torvalds select HW_HAS_PCI 72667e38cf2SRalf Baechle select IRQ_MIPS_CPU 7271da177e4SLinus Torvalds select R5000_CPU_SCACHE 7281da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7297cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7307cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7317cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 732dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 733ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7345e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7351da177e4SLinus Torvalds help 7361da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7371da177e4SLinus Torvalds 738ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 739ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7405e83d430SRalf Baechle select BOOT_ELF32 7415e83d430SRalf Baechle select DMA_COHERENT 7425e83d430SRalf Baechle select SIBYTE_BCM1120 7435e83d430SRalf Baechle select SWAP_IO_SPACE 7447cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7455e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7465e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7475e83d430SRalf Baechle 748ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 749ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7505e83d430SRalf Baechle select BOOT_ELF32 7515e83d430SRalf Baechle select DMA_COHERENT 7525e83d430SRalf Baechle select SIBYTE_BCM1120 7535e83d430SRalf Baechle select SWAP_IO_SPACE 7547cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7555e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7565e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7575e83d430SRalf Baechle 7585e83d430SRalf Baechleconfig SIBYTE_CRHONE 7593fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7605e83d430SRalf Baechle select BOOT_ELF32 7615e83d430SRalf Baechle select DMA_COHERENT 7625e83d430SRalf Baechle select SIBYTE_BCM1125 7635e83d430SRalf Baechle select SWAP_IO_SPACE 7647cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7655e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7665e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7675e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7685e83d430SRalf Baechle 769ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 770ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 771ade299d8SYoichi Yuasa select BOOT_ELF32 772ade299d8SYoichi Yuasa select DMA_COHERENT 773ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 774ade299d8SYoichi Yuasa select SWAP_IO_SPACE 775ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 776ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 777ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 778ade299d8SYoichi Yuasa 779ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 780ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 781ade299d8SYoichi Yuasa select BOOT_ELF32 782ade299d8SYoichi Yuasa select DMA_COHERENT 783fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 784ade299d8SYoichi Yuasa select SIBYTE_SB1250 785ade299d8SYoichi Yuasa select SWAP_IO_SPACE 786ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 787ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 788ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 789ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 790cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 791ade299d8SYoichi Yuasa 792ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 793ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 794ade299d8SYoichi Yuasa select BOOT_ELF32 795ade299d8SYoichi Yuasa select DMA_COHERENT 796fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 797ade299d8SYoichi Yuasa select SIBYTE_SB1250 798ade299d8SYoichi Yuasa select SWAP_IO_SPACE 799ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 800ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 801ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 802ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 803ade299d8SYoichi Yuasa 804ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 805ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 806ade299d8SYoichi Yuasa select BOOT_ELF32 807ade299d8SYoichi Yuasa select DMA_COHERENT 808ade299d8SYoichi Yuasa select SIBYTE_SB1250 809ade299d8SYoichi Yuasa select SWAP_IO_SPACE 810ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 811ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 812ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 813ade299d8SYoichi Yuasa 814ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 815ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 816ade299d8SYoichi Yuasa select BOOT_ELF32 817ade299d8SYoichi Yuasa select DMA_COHERENT 818ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 819ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 820ade299d8SYoichi Yuasa select SWAP_IO_SPACE 821ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 822ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 823651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 824ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 825cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 826ade299d8SYoichi Yuasa 82714b36af4SThomas Bogendoerferconfig SNI_RM 82814b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8290e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8300e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 831aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8325e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 833a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8347a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8355e83d430SRalf Baechle select BOOT_ELF32 83642f77542SRalf Baechle select CEVT_R4K 837940f6b48SRalf Baechle select CSRC_R4K 838e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8395e83d430SRalf Baechle select DMA_NONCOHERENT 8405e83d430SRalf Baechle select GENERIC_ISA_DMA 8418a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8425e83d430SRalf Baechle select HW_HAS_EISA 8435e83d430SRalf Baechle select HW_HAS_PCI 84467e38cf2SRalf Baechle select IRQ_MIPS_CPU 845d865bea4SRalf Baechle select I8253 8465e83d430SRalf Baechle select I8259 8475e83d430SRalf Baechle select ISA 8484a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8497cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8504a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 851c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8524a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 85336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 854ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8557d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8564a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8575e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8585e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8591da177e4SLinus Torvalds help 86014b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 86114b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8625e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8635e83d430SRalf Baechle support this machine type. 8641da177e4SLinus Torvalds 865edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 866edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8675e83d430SRalf Baechle 868edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 869edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 87023fbee9dSRalf Baechle 87173b4390fSRalf Baechleconfig MIKROTIK_RB532 87273b4390fSRalf Baechle bool "Mikrotik RB532 boards" 87373b4390fSRalf Baechle select CEVT_R4K 87473b4390fSRalf Baechle select CSRC_R4K 87573b4390fSRalf Baechle select DMA_NONCOHERENT 87673b4390fSRalf Baechle select HW_HAS_PCI 87767e38cf2SRalf Baechle select IRQ_MIPS_CPU 87873b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 87973b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 88073b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 88173b4390fSRalf Baechle select SWAP_IO_SPACE 88273b4390fSRalf Baechle select BOOT_RAW 883d30a2b47SLinus Walleij select GPIOLIB 884930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 88573b4390fSRalf Baechle help 88673b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 88773b4390fSRalf Baechle based on the IDT RC32434 SoC. 88873b4390fSRalf Baechle 8899ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8909ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 891a86c7f72SDavid Daney select CEVT_R4K 892ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 89334adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 894a86c7f72SDavid Daney select DMA_COHERENT 895a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 896a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 897f65aad41SRalf Baechle select EDAC_SUPPORT 898b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 89973569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 90073569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 901a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9025e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 903e8635b48SDavid Daney select HW_HAS_PCI 904f00e001eSDavid Daney select ZONE_DMA32 905465aaed0SDavid Daney select HOLES_IN_ZONE 906d30a2b47SLinus Walleij select GPIOLIB 9076e511163SDavid Daney select LIBFDT 9086e511163SDavid Daney select USE_OF 9096e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9106e511163SDavid Daney select SYS_SUPPORTS_SMP 9117820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9127820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 913e326479fSAndrew Bresticker select BUILTIN_DTB 9148c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 9153ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 916a86c7f72SDavid Daney help 917a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 918a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 919a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 920a86c7f72SDavid Daney Some of the supported boards are: 921a86c7f72SDavid Daney EBT3000 922a86c7f72SDavid Daney EBH3000 923a86c7f72SDavid Daney EBH3100 924a86c7f72SDavid Daney Thunder 925a86c7f72SDavid Daney Kodama 926a86c7f72SDavid Daney Hikari 927a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 928a86c7f72SDavid Daney 9297f058e85SJayachandran Cconfig NLM_XLR_BOARD 9307f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9317f058e85SJayachandran C select BOOT_ELF32 9327f058e85SJayachandran C select NLM_COMMON 9337f058e85SJayachandran C select SYS_HAS_CPU_XLR 9347f058e85SJayachandran C select SYS_SUPPORTS_SMP 9357f058e85SJayachandran C select HW_HAS_PCI 9367f058e85SJayachandran C select SWAP_IO_SPACE 9377f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9387f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 93934adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 9407f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9417f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9427f058e85SJayachandran C select DMA_COHERENT 9437f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9447f058e85SJayachandran C select CEVT_R4K 9457f058e85SJayachandran C select CSRC_R4K 94667e38cf2SRalf Baechle select IRQ_MIPS_CPU 947b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9487f058e85SJayachandran C select SYNC_R4K 9497f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9508f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9518f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9527f058e85SJayachandran C help 9537f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9547f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9557f058e85SJayachandran C 9561c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9571c773ea4SJayachandran C bool "Netlogic XLP based systems" 9581c773ea4SJayachandran C select BOOT_ELF32 9591c773ea4SJayachandran C select NLM_COMMON 9601c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9611c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9621c773ea4SJayachandran C select HW_HAS_PCI 9631c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9641c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 96534adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 966d30a2b47SLinus Walleij select GPIOLIB 9671c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9681c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9691c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9701c773ea4SJayachandran C select DMA_COHERENT 9711c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9721c773ea4SJayachandran C select CEVT_R4K 9731c773ea4SJayachandran C select CSRC_R4K 97467e38cf2SRalf Baechle select IRQ_MIPS_CPU 975b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9761c773ea4SJayachandran C select SYNC_R4K 9771c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9782f6528e1SJayachandran C select USE_OF 9798f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9808f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9811c773ea4SJayachandran C help 9821c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9831c773ea4SJayachandran C Say Y here if you have a XLP based board. 9841c773ea4SJayachandran C 9859bc463beSDavid Daneyconfig MIPS_PARAVIRT 9869bc463beSDavid Daney bool "Para-Virtualized guest system" 9879bc463beSDavid Daney select CEVT_R4K 9889bc463beSDavid Daney select CSRC_R4K 9899bc463beSDavid Daney select DMA_COHERENT 9909bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9919bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9929bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9939bc463beSDavid Daney select SYS_SUPPORTS_SMP 9949bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9959bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9969bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9979bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9989bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9999bc463beSDavid Daney select HW_HAS_PCI 10009bc463beSDavid Daney select SWAP_IO_SPACE 10019bc463beSDavid Daney help 10029bc463beSDavid Daney This option supports guest running under ???? 10039bc463beSDavid Daney 10041da177e4SLinus Torvaldsendchoice 10051da177e4SLinus Torvalds 1006e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10073b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1008d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1009a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1010e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10118945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1012eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10135e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10145ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10158ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10161f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10172572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1018af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10190f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1020ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 102129c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 102238b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 102322b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10245e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1025a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 102630ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 102730ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10287f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1029ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 103038b18f72SRalf Baechle 10315e83d430SRalf Baechleendmenu 10325e83d430SRalf Baechle 10331da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10341da177e4SLinus Torvalds bool 10351da177e4SLinus Torvalds default y 10361da177e4SLinus Torvalds 10371da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10381da177e4SLinus Torvalds bool 10391da177e4SLinus Torvalds 10403c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10413c9ee7efSAkinobu Mita bool 10423c9ee7efSAkinobu Mita default y 10433c9ee7efSAkinobu Mita 10441da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10451da177e4SLinus Torvalds bool 10461da177e4SLinus Torvalds default y 10471da177e4SLinus Torvalds 1048ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10491cc89038SAtsushi Nemoto bool 10501cc89038SAtsushi Nemoto default y 10511cc89038SAtsushi Nemoto 10521da177e4SLinus Torvalds# 10531da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10541da177e4SLinus Torvalds# 10550e2794b0SRalf Baechleconfig FW_ARC 10561da177e4SLinus Torvalds bool 10571da177e4SLinus Torvalds 105861ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 105961ed242dSRalf Baechle bool 106061ed242dSRalf Baechle 10619267a30dSMarc St-Jeanconfig BOOT_RAW 10629267a30dSMarc St-Jean bool 10639267a30dSMarc St-Jean 1064217dd11eSRalf Baechleconfig CEVT_BCM1480 1065217dd11eSRalf Baechle bool 1066217dd11eSRalf Baechle 10676457d9fcSYoichi Yuasaconfig CEVT_DS1287 10686457d9fcSYoichi Yuasa bool 10696457d9fcSYoichi Yuasa 10701097c6acSYoichi Yuasaconfig CEVT_GT641XX 10711097c6acSYoichi Yuasa bool 10721097c6acSYoichi Yuasa 107342f77542SRalf Baechleconfig CEVT_R4K 107442f77542SRalf Baechle bool 107542f77542SRalf Baechle 1076217dd11eSRalf Baechleconfig CEVT_SB1250 1077217dd11eSRalf Baechle bool 1078217dd11eSRalf Baechle 1079229f773eSAtsushi Nemotoconfig CEVT_TXX9 1080229f773eSAtsushi Nemoto bool 1081229f773eSAtsushi Nemoto 1082217dd11eSRalf Baechleconfig CSRC_BCM1480 1083217dd11eSRalf Baechle bool 1084217dd11eSRalf Baechle 10854247417dSYoichi Yuasaconfig CSRC_IOASIC 10864247417dSYoichi Yuasa bool 10874247417dSYoichi Yuasa 1088940f6b48SRalf Baechleconfig CSRC_R4K 1089940f6b48SRalf Baechle bool 1090940f6b48SRalf Baechle 1091217dd11eSRalf Baechleconfig CSRC_SB1250 1092217dd11eSRalf Baechle bool 1093217dd11eSRalf Baechle 1094a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1095a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1096a7f4df4eSAlex Smith 1097a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1098d30a2b47SLinus Walleij select GPIOLIB 1099a9aec7feSAtsushi Nemoto bool 1100a9aec7feSAtsushi Nemoto 11010e2794b0SRalf Baechleconfig FW_CFE 1102df78b5c8SAurelien Jarno bool 1103df78b5c8SAurelien Jarno 11044bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 110534adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 11064bafad92SFUJITA Tomonori 110740e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 110840e084a5SRalf Baechle bool 110940e084a5SRalf Baechle 1110885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1111885014bcSFelix Fietkau select DMA_NONCOHERENT 1112885014bcSFelix Fietkau bool 1113885014bcSFelix Fietkau 111420d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 111520d33064SPaul Burton bool 111620d33064SPaul Burton select DMA_MAYBE_COHERENT 111720d33064SPaul Burton 11181da177e4SLinus Torvaldsconfig DMA_COHERENT 11191da177e4SLinus Torvalds bool 11201da177e4SLinus Torvalds 11211da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11221da177e4SLinus Torvalds bool 1123e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 11244ce588cdSRalf Baechle 1125e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 11264ce588cdSRalf Baechle bool 11271da177e4SLinus Torvalds 112836a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11291da177e4SLinus Torvalds bool 11301da177e4SLinus Torvalds 11311b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1132dbb74540SRalf Baechle bool 1133dbb74540SRalf Baechle 11341da177e4SLinus Torvaldsconfig MIPS_BONITO64 11351da177e4SLinus Torvalds bool 11361da177e4SLinus Torvalds 11371da177e4SLinus Torvaldsconfig MIPS_MSC 11381da177e4SLinus Torvalds bool 11391da177e4SLinus Torvalds 11401f21d2bdSBrian Murphyconfig MIPS_NILE4 11411f21d2bdSBrian Murphy bool 11421f21d2bdSBrian Murphy 114339b8d525SRalf Baechleconfig SYNC_R4K 114439b8d525SRalf Baechle bool 114539b8d525SRalf Baechle 1146487d70d0SGabor Juhosconfig MIPS_MACHINE 1147487d70d0SGabor Juhos def_bool n 1148487d70d0SGabor Juhos 1149ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1150d388d685SMaciej W. Rozycki def_bool n 1151d388d685SMaciej W. Rozycki 11524e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11534e0748f5SMarkos Chandras bool 11544e0748f5SMarkos Chandras 11558313da30SRalf Baechleconfig GENERIC_ISA_DMA 11568313da30SRalf Baechle bool 11578313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1158a35bee8aSNamhyung Kim select ISA_DMA_API 11598313da30SRalf Baechle 1160aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1161aa414dffSRalf Baechle bool 11628313da30SRalf Baechle select GENERIC_ISA_DMA 1163aa414dffSRalf Baechle 1164a35bee8aSNamhyung Kimconfig ISA_DMA_API 1165a35bee8aSNamhyung Kim bool 1166a35bee8aSNamhyung Kim 1167465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1168465aaed0SDavid Daney bool 1169465aaed0SDavid Daney 11708c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11718c530ea3SMatt Redfearn bool 11728c530ea3SMatt Redfearn help 11738c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11748c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11758c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11768c530ea3SMatt Redfearn 1177f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1178f381bf6dSDavid Daney def_bool y 1179f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1180f381bf6dSDavid Daney 1181f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1182f381bf6dSDavid Daney def_bool y 1183f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1184f381bf6dSDavid Daney 1185f381bf6dSDavid Daney 11865e83d430SRalf Baechle# 11876b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11885e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11895e83d430SRalf Baechle# choice statement should be more obvious to the user. 11905e83d430SRalf Baechle# 11915e83d430SRalf Baechlechoice 11926b2aac42SMasanari Iida prompt "Endianness selection" 11931da177e4SLinus Torvalds help 11941da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11955e83d430SRalf Baechle byte order. These modes require different kernels and a different 11963cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11975e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11983dde6ad8SDavid Sterba one or the other endianness. 11995e83d430SRalf Baechle 12005e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12015e83d430SRalf Baechle bool "Big endian" 12025e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12035e83d430SRalf Baechle 12045e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12055e83d430SRalf Baechle bool "Little endian" 12065e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12075e83d430SRalf Baechle 12085e83d430SRalf Baechleendchoice 12095e83d430SRalf Baechle 121022b0763aSDavid Daneyconfig EXPORT_UASM 121122b0763aSDavid Daney bool 121222b0763aSDavid Daney 12132116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12142116245eSRalf Baechle bool 12152116245eSRalf Baechle 12165e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12175e83d430SRalf Baechle bool 12185e83d430SRalf Baechle 12195e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12205e83d430SRalf Baechle bool 12211da177e4SLinus Torvalds 12229cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12239cffd154SDavid Daney bool 12249cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12259cffd154SDavid Daney default y 12269cffd154SDavid Daney 1227aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1228aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1229aa1762f4SDavid Daney 12301da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12311da177e4SLinus Torvalds bool 12321da177e4SLinus Torvalds 12339267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12349267a30dSMarc St-Jean bool 12359267a30dSMarc St-Jean 12369267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12379267a30dSMarc St-Jean bool 12389267a30dSMarc St-Jean 12398420fd00SAtsushi Nemotoconfig IRQ_TXX9 12408420fd00SAtsushi Nemoto bool 12418420fd00SAtsushi Nemoto 1242d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1243d5ab1a69SYoichi Yuasa bool 1244d5ab1a69SYoichi Yuasa 1245252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12461da177e4SLinus Torvalds bool 12471da177e4SLinus Torvalds 12489267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12499267a30dSMarc St-Jean bool 12509267a30dSMarc St-Jean 1251a83860c2SRalf Baechleconfig SOC_EMMA2RH 1252a83860c2SRalf Baechle bool 1253a83860c2SRalf Baechle select CEVT_R4K 1254a83860c2SRalf Baechle select CSRC_R4K 1255a83860c2SRalf Baechle select DMA_NONCOHERENT 125667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1257a83860c2SRalf Baechle select SWAP_IO_SPACE 1258a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1259a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1260a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1261a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1262a83860c2SRalf Baechle 1263edb6310aSDaniel Lairdconfig SOC_PNX833X 1264edb6310aSDaniel Laird bool 1265edb6310aSDaniel Laird select CEVT_R4K 1266edb6310aSDaniel Laird select CSRC_R4K 126767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1268edb6310aSDaniel Laird select DMA_NONCOHERENT 1269edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1270edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1271edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1272edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1273377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1274edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1275edb6310aSDaniel Laird 1276edb6310aSDaniel Lairdconfig SOC_PNX8335 1277edb6310aSDaniel Laird bool 1278edb6310aSDaniel Laird select SOC_PNX833X 1279edb6310aSDaniel Laird 1280a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1281a7e07b1aSMarkos Chandras bool 1282a7e07b1aSMarkos Chandras 12831da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12841da177e4SLinus Torvalds bool 12851da177e4SLinus Torvalds 1286e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1287e2defae5SThomas Bogendoerfer bool 1288e2defae5SThomas Bogendoerfer 12895b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12905b438c44SThomas Bogendoerfer bool 12915b438c44SThomas Bogendoerfer 1292e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1293e2defae5SThomas Bogendoerfer bool 1294e2defae5SThomas Bogendoerfer 1295e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1296e2defae5SThomas Bogendoerfer bool 1297e2defae5SThomas Bogendoerfer 1298e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1299e2defae5SThomas Bogendoerfer bool 1300e2defae5SThomas Bogendoerfer 1301e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1302e2defae5SThomas Bogendoerfer bool 1303e2defae5SThomas Bogendoerfer 1304e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1305e2defae5SThomas Bogendoerfer bool 1306e2defae5SThomas Bogendoerfer 13070e2794b0SRalf Baechleconfig FW_ARC32 13085e83d430SRalf Baechle bool 13095e83d430SRalf Baechle 1310aaa9fad3SPaul Bolleconfig FW_SNIPROM 1311231a35d3SThomas Bogendoerfer bool 1312231a35d3SThomas Bogendoerfer 13131da177e4SLinus Torvaldsconfig BOOT_ELF32 13141da177e4SLinus Torvalds bool 13151da177e4SLinus Torvalds 1316930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1317930beb5aSFlorian Fainelli bool 1318930beb5aSFlorian Fainelli 1319930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1320930beb5aSFlorian Fainelli bool 1321930beb5aSFlorian Fainelli 1322930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1323930beb5aSFlorian Fainelli bool 1324930beb5aSFlorian Fainelli 1325930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1326930beb5aSFlorian Fainelli bool 1327930beb5aSFlorian Fainelli 13281da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13291da177e4SLinus Torvalds int 1330a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13315432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13325432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13335432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13341da177e4SLinus Torvalds default "5" 13351da177e4SLinus Torvalds 13361da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13371da177e4SLinus Torvalds bool 13381da177e4SLinus Torvalds 13391da177e4SLinus Torvaldsconfig ARC_CONSOLE 13401da177e4SLinus Torvalds bool "ARC console support" 1341e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13421da177e4SLinus Torvalds 13431da177e4SLinus Torvaldsconfig ARC_MEMORY 13441da177e4SLinus Torvalds bool 134514b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13461da177e4SLinus Torvalds default y 13471da177e4SLinus Torvalds 13481da177e4SLinus Torvaldsconfig ARC_PROMLIB 13491da177e4SLinus Torvalds bool 1350e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13511da177e4SLinus Torvalds default y 13521da177e4SLinus Torvalds 13530e2794b0SRalf Baechleconfig FW_ARC64 13541da177e4SLinus Torvalds bool 13551da177e4SLinus Torvalds 13561da177e4SLinus Torvaldsconfig BOOT_ELF64 13571da177e4SLinus Torvalds bool 13581da177e4SLinus Torvalds 13591da177e4SLinus Torvaldsmenu "CPU selection" 13601da177e4SLinus Torvalds 13611da177e4SLinus Torvaldschoice 13621da177e4SLinus Torvalds prompt "CPU type" 13631da177e4SLinus Torvalds default CPU_R4X00 13641da177e4SLinus Torvalds 13650e476d91SHuacai Chenconfig CPU_LOONGSON3 13660e476d91SHuacai Chen bool "Loongson 3 CPU" 13670e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 13680e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13690e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13700e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13710e476d91SHuacai Chen select WEAK_ORDERING 13720e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1373b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 137417c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1375d30a2b47SLinus Walleij select GPIOLIB 13760e476d91SHuacai Chen help 13770e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13780e476d91SHuacai Chen set with many extensions. 13790e476d91SHuacai Chen 13801e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13811e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13821e820da3SHuacai Chen default n 13831e820da3SHuacai Chen select CPU_MIPSR2 13841e820da3SHuacai Chen select CPU_HAS_PREFETCH 13851e820da3SHuacai Chen depends on CPU_LOONGSON3 13861e820da3SHuacai Chen help 13871e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13881e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13891e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 13901e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13911e820da3SHuacai Chen Fast TLB refill support, etc. 13921e820da3SHuacai Chen 13931e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13941e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13951e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 13961e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 13971e820da3SHuacai Chen 13983702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13993702bba5SWu Zhangjin bool "Loongson 2E" 14003702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14013702bba5SWu Zhangjin select CPU_LOONGSON2 14022a21c730SFuxin Zhang help 14032a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14042a21c730SFuxin Zhang with many extensions. 14052a21c730SFuxin Zhang 140625985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14076f7a251aSWu Zhangjin bonito64. 14086f7a251aSWu Zhangjin 14096f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14106f7a251aSWu Zhangjin bool "Loongson 2F" 14116f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14126f7a251aSWu Zhangjin select CPU_LOONGSON2 1413d30a2b47SLinus Walleij select GPIOLIB 14146f7a251aSWu Zhangjin help 14156f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14166f7a251aSWu Zhangjin with many extensions. 14176f7a251aSWu Zhangjin 14186f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14196f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14206f7a251aSWu Zhangjin Loongson2E. 14216f7a251aSWu Zhangjin 1422ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1423ca585cf9SKelvin Cheung bool "Loongson 1B" 1424ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1425ca585cf9SKelvin Cheung select CPU_LOONGSON1 14269ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1427ca585cf9SKelvin Cheung help 1428ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1429ca585cf9SKelvin Cheung release 2 instruction set. 1430ca585cf9SKelvin Cheung 143112e3280bSYang Lingconfig CPU_LOONGSON1C 143212e3280bSYang Ling bool "Loongson 1C" 143312e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 143412e3280bSYang Ling select CPU_LOONGSON1 143512e3280bSYang Ling select LEDS_GPIO_REGISTER 143612e3280bSYang Ling help 143712e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 143812e3280bSYang Ling release 2 instruction set. 143912e3280bSYang Ling 14406e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14416e760c8dSRalf Baechle bool "MIPS32 Release 1" 14427cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14436e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1444797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1445ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14466e760c8dSRalf Baechle help 14475e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14481e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14491e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14501e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14511e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14521e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14531e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14541e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14551e5f1caaSRalf Baechle performance. 14561e5f1caaSRalf Baechle 14571e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14581e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14597cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14601e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1461797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1462ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1463a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14642235a54dSSanjay Lal select HAVE_KVM 14651e5f1caaSRalf Baechle help 14665e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14676e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14686e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14696e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14706e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14711da177e4SLinus Torvalds 14727fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1473674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14747fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14757fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14767fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14777fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14787fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14794e0748f5SMarkos Chandras select GENERIC_CSUM 14807fd08ca5SLeonid Yegoshin select HAVE_KVM 14817fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14827fd08ca5SLeonid Yegoshin help 14837fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14847fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14857fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14867fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14877fd08ca5SLeonid Yegoshin 14886e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14896e760c8dSRalf Baechle bool "MIPS64 Release 1" 14907cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1491797798c1SRalf Baechle select CPU_HAS_PREFETCH 1492ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1493ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1494ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14959cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14966e760c8dSRalf Baechle help 14976e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14986e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14996e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15006e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15016e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15021e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15031e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15041e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15051e5f1caaSRalf Baechle performance. 15061e5f1caaSRalf Baechle 15071e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15081e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15097cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1510797798c1SRalf Baechle select CPU_HAS_PREFETCH 15111e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15121e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1513ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15149cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1515a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 151640a2df49SJames Hogan select HAVE_KVM 15171e5f1caaSRalf Baechle help 15181e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15191e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15201e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15211e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15221e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15231da177e4SLinus Torvalds 15247fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1525674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15267fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15277fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15287fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15297fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15307fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15317fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15324e0748f5SMarkos Chandras select GENERIC_CSUM 15332e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 153440a2df49SJames Hogan select HAVE_KVM 15357fd08ca5SLeonid Yegoshin help 15367fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15377fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15387fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15397fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15407fd08ca5SLeonid Yegoshin 15411da177e4SLinus Torvaldsconfig CPU_R3000 15421da177e4SLinus Torvalds bool "R3000" 15437cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1544f7062ddbSRalf Baechle select CPU_HAS_WB 1545ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1546797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15471da177e4SLinus Torvalds help 15481da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15491da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15501da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15511da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15521da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15531da177e4SLinus Torvalds try to recompile with R3000. 15541da177e4SLinus Torvalds 15551da177e4SLinus Torvaldsconfig CPU_TX39XX 15561da177e4SLinus Torvalds bool "R39XX" 15577cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1558ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15591da177e4SLinus Torvalds 15601da177e4SLinus Torvaldsconfig CPU_VR41XX 15611da177e4SLinus Torvalds bool "R41xx" 15627cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1563ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1564ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15651da177e4SLinus Torvalds help 15665e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15671da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15681da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15691da177e4SLinus Torvalds processor or vice versa. 15701da177e4SLinus Torvalds 15711da177e4SLinus Torvaldsconfig CPU_R4300 15721da177e4SLinus Torvalds bool "R4300" 15737cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1574ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1575ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15761da177e4SLinus Torvalds help 15771da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15781da177e4SLinus Torvalds 15791da177e4SLinus Torvaldsconfig CPU_R4X00 15801da177e4SLinus Torvalds bool "R4x00" 15817cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1582ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1583ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1584970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15851da177e4SLinus Torvalds help 15861da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15871da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15881da177e4SLinus Torvalds 15891da177e4SLinus Torvaldsconfig CPU_TX49XX 15901da177e4SLinus Torvalds bool "R49XX" 15917cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1592de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1593ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1594ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1595970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15961da177e4SLinus Torvalds 15971da177e4SLinus Torvaldsconfig CPU_R5000 15981da177e4SLinus Torvalds bool "R5000" 15997cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1600ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1601ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1602970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16031da177e4SLinus Torvalds help 16041da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16051da177e4SLinus Torvalds 16061da177e4SLinus Torvaldsconfig CPU_R5432 16071da177e4SLinus Torvalds bool "R5432" 16087cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 16095e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16105e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1611970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16121da177e4SLinus Torvalds 1613542c1020SShinya Kuribayashiconfig CPU_R5500 1614542c1020SShinya Kuribayashi bool "R5500" 1615542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1616542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1617542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16189cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1619542c1020SShinya Kuribayashi help 1620542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1621542c1020SShinya Kuribayashi instruction set. 1622542c1020SShinya Kuribayashi 16231da177e4SLinus Torvaldsconfig CPU_NEVADA 16241da177e4SLinus Torvalds bool "RM52xx" 16257cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1626ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1627ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1628970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16291da177e4SLinus Torvalds help 16301da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16311da177e4SLinus Torvalds 16321da177e4SLinus Torvaldsconfig CPU_R8000 16331da177e4SLinus Torvalds bool "R8000" 16347cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 16355e83d430SRalf Baechle select CPU_HAS_PREFETCH 1636ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16371da177e4SLinus Torvalds help 16381da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 16391da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16401da177e4SLinus Torvalds 16411da177e4SLinus Torvaldsconfig CPU_R10000 16421da177e4SLinus Torvalds bool "R10000" 16437cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16445e83d430SRalf Baechle select CPU_HAS_PREFETCH 1645ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1646ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1647797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1648970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16491da177e4SLinus Torvalds help 16501da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16511da177e4SLinus Torvalds 16521da177e4SLinus Torvaldsconfig CPU_RM7000 16531da177e4SLinus Torvalds bool "RM7000" 16547cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16555e83d430SRalf Baechle select CPU_HAS_PREFETCH 1656ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1657ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1658797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1659970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16601da177e4SLinus Torvalds 16611da177e4SLinus Torvaldsconfig CPU_SB1 16621da177e4SLinus Torvalds bool "SB1" 16637cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1664ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1665ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1666797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1667970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16680004a9dfSRalf Baechle select WEAK_ORDERING 16691da177e4SLinus Torvalds 1670a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1671a86c7f72SDavid Daney bool "Cavium Octeon processor" 16725e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1673a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1674a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1675a86c7f72SDavid Daney select WEAK_ORDERING 1676a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16779cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1678df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1679df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1680930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 16810ae3abcdSJames Hogan select HAVE_KVM 1682a86c7f72SDavid Daney help 1683a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1684a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1685a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1686a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1687a86c7f72SDavid Daney 1688cd746249SJonas Gorskiconfig CPU_BMIPS 1689cd746249SJonas Gorski bool "Broadcom BMIPS" 1690cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1691cd746249SJonas Gorski select CPU_MIPS32 1692fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1693cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1694cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1695cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1696cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1697cd746249SJonas Gorski select DMA_NONCOHERENT 169867e38cf2SRalf Baechle select IRQ_MIPS_CPU 1699cd746249SJonas Gorski select SWAP_IO_SPACE 1700cd746249SJonas Gorski select WEAK_ORDERING 1701c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 170269aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1703a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1704a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1705c1c0c461SKevin Cernekee help 1706fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1707c1c0c461SKevin Cernekee 17087f058e85SJayachandran Cconfig CPU_XLR 17097f058e85SJayachandran C bool "Netlogic XLR SoC" 17107f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 17117f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17127f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17137f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1714970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17157f058e85SJayachandran C select WEAK_ORDERING 17167f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17177f058e85SJayachandran C help 17187f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17191c773ea4SJayachandran C 17201c773ea4SJayachandran Cconfig CPU_XLP 17211c773ea4SJayachandran C bool "Netlogic XLP SoC" 17221c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17231c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17241c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17251c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17261c773ea4SJayachandran C select WEAK_ORDERING 17271c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17281c773ea4SJayachandran C select CPU_HAS_PREFETCH 1729d6504846SJayachandran C select CPU_MIPSR2 1730ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17312db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17321c773ea4SJayachandran C help 17331c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17341da177e4SLinus Torvaldsendchoice 17351da177e4SLinus Torvalds 1736a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1737a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1738a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17397fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1740a6e18781SLeonid Yegoshin help 1741a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1742a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1743a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1744a6e18781SLeonid Yegoshin 1745a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1746a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1747a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1748a6e18781SLeonid Yegoshin select EVA 1749a6e18781SLeonid Yegoshin default y 1750a6e18781SLeonid Yegoshin help 1751a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1752a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1753a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1754a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1755a6e18781SLeonid Yegoshin 1756c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1757c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1758c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1759c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1760c5b36783SSteven J. Hill help 1761c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1762c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1763c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1764c5b36783SSteven J. Hill 1765c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1766c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1767c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1768c5b36783SSteven J. Hill depends on !EVA 1769c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1770c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1771c5b36783SSteven J. Hill select XPA 1772c5b36783SSteven J. Hill select HIGHMEM 1773c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1774c5b36783SSteven J. Hill default n 1775c5b36783SSteven J. Hill help 1776c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1777c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1778c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1779c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1780c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1781c5b36783SSteven J. Hill If unsure, say 'N' here. 1782c5b36783SSteven J. Hill 1783622844bfSWu Zhangjinif CPU_LOONGSON2F 1784622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1785622844bfSWu Zhangjin bool 1786622844bfSWu Zhangjin 1787622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1788622844bfSWu Zhangjin bool 1789622844bfSWu Zhangjin 1790622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1791622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1792622844bfSWu Zhangjin default y 1793622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1794622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1795622844bfSWu Zhangjin help 1796622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1797622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1798622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1799622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1800622844bfSWu Zhangjin 1801622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1802622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1803622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1804622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1805622844bfSWu Zhangjin systems. 1806622844bfSWu Zhangjin 1807622844bfSWu Zhangjin If unsure, please say Y. 1808622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1809622844bfSWu Zhangjin 18101b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18111b93b3c3SWu Zhangjin bool 18121b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18131b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 181431c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18151b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1816fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18174e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18181b93b3c3SWu Zhangjin 18191b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18201b93b3c3SWu Zhangjin bool 18211b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18221b93b3c3SWu Zhangjin 1823dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1824dbb98314SAlban Bedel bool 1825dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1826dbb98314SAlban Bedel 18273702bba5SWu Zhangjinconfig CPU_LOONGSON2 18283702bba5SWu Zhangjin bool 18293702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18303702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18313702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1832970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18333702bba5SWu Zhangjin 1834ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1835ca585cf9SKelvin Cheung bool 1836ca585cf9SKelvin Cheung select CPU_MIPS32 1837ca585cf9SKelvin Cheung select CPU_MIPSR2 1838ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1839ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1840ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1841f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1842ca585cf9SKelvin Cheung 1843fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 184404fa8bf7SJonas Gorski select SMP_UP if SMP 18451bbb6c1bSKevin Cernekee bool 1846cd746249SJonas Gorski 1847cd746249SJonas Gorskiconfig CPU_BMIPS4350 1848cd746249SJonas Gorski bool 1849cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1850cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1851cd746249SJonas Gorski 1852cd746249SJonas Gorskiconfig CPU_BMIPS4380 1853cd746249SJonas Gorski bool 1854bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1855cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1856cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1857b4720809SFlorian Fainelli select CPU_HAS_RIXI 1858cd746249SJonas Gorski 1859cd746249SJonas Gorskiconfig CPU_BMIPS5000 1860cd746249SJonas Gorski bool 1861cd746249SJonas Gorski select MIPS_CPU_SCACHE 1862bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1863cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1864cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1865b4720809SFlorian Fainelli select CPU_HAS_RIXI 18661bbb6c1bSKevin Cernekee 18670e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18680e476d91SHuacai Chen bool 18690e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1870b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18710e476d91SHuacai Chen 18723702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18732a21c730SFuxin Zhang bool 18742a21c730SFuxin Zhang 18756f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18766f7a251aSWu Zhangjin bool 187755045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 187855045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 187922f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 18806f7a251aSWu Zhangjin 1881ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1882ca585cf9SKelvin Cheung bool 1883ca585cf9SKelvin Cheung 188412e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 188512e3280bSYang Ling bool 188612e3280bSYang Ling 18877cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18887cf8053bSRalf Baechle bool 18897cf8053bSRalf Baechle 18907cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18917cf8053bSRalf Baechle bool 18927cf8053bSRalf Baechle 1893a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1894a6e18781SLeonid Yegoshin bool 1895a6e18781SLeonid Yegoshin 1896c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1897c5b36783SSteven J. Hill bool 1898c5b36783SSteven J. Hill 18997fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19007fd08ca5SLeonid Yegoshin bool 19017fd08ca5SLeonid Yegoshin 19027cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19037cf8053bSRalf Baechle bool 19047cf8053bSRalf Baechle 19057cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19067cf8053bSRalf Baechle bool 19077cf8053bSRalf Baechle 19087fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19097fd08ca5SLeonid Yegoshin bool 19107fd08ca5SLeonid Yegoshin 19117cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19127cf8053bSRalf Baechle bool 19137cf8053bSRalf Baechle 19147cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19157cf8053bSRalf Baechle bool 19167cf8053bSRalf Baechle 19177cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19187cf8053bSRalf Baechle bool 19197cf8053bSRalf Baechle 19207cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 19217cf8053bSRalf Baechle bool 19227cf8053bSRalf Baechle 19237cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19247cf8053bSRalf Baechle bool 19257cf8053bSRalf Baechle 19267cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19277cf8053bSRalf Baechle bool 19287cf8053bSRalf Baechle 19297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19307cf8053bSRalf Baechle bool 19317cf8053bSRalf Baechle 19327cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 19337cf8053bSRalf Baechle bool 19347cf8053bSRalf Baechle 1935542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1936542c1020SShinya Kuribayashi bool 1937542c1020SShinya Kuribayashi 19387cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19397cf8053bSRalf Baechle bool 19407cf8053bSRalf Baechle 19417cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 19427cf8053bSRalf Baechle bool 19437cf8053bSRalf Baechle 19447cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19457cf8053bSRalf Baechle bool 19467cf8053bSRalf Baechle 19477cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19487cf8053bSRalf Baechle bool 19497cf8053bSRalf Baechle 19507cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19517cf8053bSRalf Baechle bool 19527cf8053bSRalf Baechle 19535e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19545e683389SDavid Daney bool 19555e683389SDavid Daney 1956cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1957c1c0c461SKevin Cernekee bool 1958c1c0c461SKevin Cernekee 1959fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1960c1c0c461SKevin Cernekee bool 1961cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1962c1c0c461SKevin Cernekee 1963c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1964c1c0c461SKevin Cernekee bool 1965cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1966c1c0c461SKevin Cernekee 1967c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1968c1c0c461SKevin Cernekee bool 1969cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1970c1c0c461SKevin Cernekee 1971c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1972c1c0c461SKevin Cernekee bool 1973cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1974c1c0c461SKevin Cernekee 19757f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 19767f058e85SJayachandran C bool 19777f058e85SJayachandran C 19781c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 19791c773ea4SJayachandran C bool 19801c773ea4SJayachandran C 1981b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1982b6911bbaSPaul Burton depends on MIPS_MALTA 1983b6911bbaSPaul Burton depends on PCI 1984b6911bbaSPaul Burton bool 1985b6911bbaSPaul Burton default y 1986b6911bbaSPaul Burton 198717099b11SRalf Baechle# 198817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 198917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 199017099b11SRalf Baechle# 19910004a9dfSRalf Baechleconfig WEAK_ORDERING 19920004a9dfSRalf Baechle bool 199317099b11SRalf Baechle 199417099b11SRalf Baechle# 199517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 199617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 199717099b11SRalf Baechle# 199817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 199917099b11SRalf Baechle bool 20005e83d430SRalf Baechleendmenu 20015e83d430SRalf Baechle 20025e83d430SRalf Baechle# 20035e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20045e83d430SRalf Baechle# 20055e83d430SRalf Baechleconfig CPU_MIPS32 20065e83d430SRalf Baechle bool 20077fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20085e83d430SRalf Baechle 20095e83d430SRalf Baechleconfig CPU_MIPS64 20105e83d430SRalf Baechle bool 20117fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20125e83d430SRalf Baechle 20135e83d430SRalf Baechle# 2014c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 20155e83d430SRalf Baechle# 20165e83d430SRalf Baechleconfig CPU_MIPSR1 20175e83d430SRalf Baechle bool 20185e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20195e83d430SRalf Baechle 20205e83d430SRalf Baechleconfig CPU_MIPSR2 20215e83d430SRalf Baechle bool 2022a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20238256b17eSFlorian Fainelli select CPU_HAS_RIXI 2024a7e07b1aSMarkos Chandras select MIPS_SPRAM 20255e83d430SRalf Baechle 20267fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20277fd08ca5SLeonid Yegoshin bool 20287fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20298256b17eSFlorian Fainelli select CPU_HAS_RIXI 203087321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20312db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 2032a7e07b1aSMarkos Chandras select MIPS_SPRAM 20335e83d430SRalf Baechle 2034a6e18781SLeonid Yegoshinconfig EVA 2035a6e18781SLeonid Yegoshin bool 2036a6e18781SLeonid Yegoshin 2037c5b36783SSteven J. Hillconfig XPA 2038c5b36783SSteven J. Hill bool 2039c5b36783SSteven J. Hill 20405e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20415e83d430SRalf Baechle bool 20425e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20435e83d430SRalf Baechle bool 20445e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20455e83d430SRalf Baechle bool 20465e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20475e83d430SRalf Baechle bool 204855045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 204955045ff5SWu Zhangjin bool 205055045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 205155045ff5SWu Zhangjin bool 20529cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20539cffd154SDavid Daney bool 205422f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 205522f1fdfdSWu Zhangjin bool 205682622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 205782622284SDavid Daney bool 2058cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 20595e83d430SRalf Baechle 20608192c9eaSDavid Daney# 20618192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20628192c9eaSDavid Daney# 20638192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20648192c9eaSDavid Daney bool 2065679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20668192c9eaSDavid Daney 20675e83d430SRalf Baechlemenu "Kernel type" 20685e83d430SRalf Baechle 20695e83d430SRalf Baechlechoice 20705e83d430SRalf Baechle prompt "Kernel code model" 20715e83d430SRalf Baechle help 20725e83d430SRalf Baechle You should only select this option if you have a workload that 20735e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20745e83d430SRalf Baechle large memory. You will only be presented a single option in this 20755e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20765e83d430SRalf Baechle 20775e83d430SRalf Baechleconfig 32BIT 20785e83d430SRalf Baechle bool "32-bit kernel" 20795e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20805e83d430SRalf Baechle select TRAD_SIGNALS 20815e83d430SRalf Baechle help 20825e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2083f17c4ca3SRalf Baechle 20845e83d430SRalf Baechleconfig 64BIT 20855e83d430SRalf Baechle bool "64-bit kernel" 20865e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20875e83d430SRalf Baechle help 20885e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 20895e83d430SRalf Baechle 20905e83d430SRalf Baechleendchoice 20915e83d430SRalf Baechle 20922235a54dSSanjay Lalconfig KVM_GUEST 20932235a54dSSanjay Lal bool "KVM Guest Kernel" 2094f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 20952235a54dSSanjay Lal help 2096caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2097caa1faa7SJames Hogan mode. 20982235a54dSSanjay Lal 2099eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2100eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21012235a54dSSanjay Lal depends on KVM_GUEST 2102eda3d33cSJames Hogan default 100 21032235a54dSSanjay Lal help 2104eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2105eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2106eda3d33cSJames Hogan timer frequency is specified directly. 21072235a54dSSanjay Lal 21081e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21091e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21101e321fa9SLeonid Yegoshin depends on 64BIT 21111e321fa9SLeonid Yegoshin help 21123377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21133377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21143377e227SAlex Belits For page sizes 16k and above, this option results in a small 21153377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21163377e227SAlex Belits level of page tables is added which imposes both a memory 21173377e227SAlex Belits overhead as well as slower TLB fault handling. 21183377e227SAlex Belits 21191e321fa9SLeonid Yegoshin If unsure, say N. 21201e321fa9SLeonid Yegoshin 21211da177e4SLinus Torvaldschoice 21221da177e4SLinus Torvalds prompt "Kernel page size" 21231da177e4SLinus Torvalds default PAGE_SIZE_4KB 21241da177e4SLinus Torvalds 21251da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21261da177e4SLinus Torvalds bool "4kB" 21270e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21281da177e4SLinus Torvalds help 21291da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21301da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21311da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21321da177e4SLinus Torvalds recommended for low memory systems. 21331da177e4SLinus Torvalds 21341da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21351da177e4SLinus Torvalds bool "8kB" 21367d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 21371e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21381da177e4SLinus Torvalds help 21391da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21401da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2141c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2142c52399beSRalf Baechle suitable Linux distribution to support this. 21431da177e4SLinus Torvalds 21441da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21451da177e4SLinus Torvalds bool "16kB" 2146714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21471da177e4SLinus Torvalds help 21481da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21491da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2150714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2151714bfad6SRalf Baechle Linux distribution to support this. 21521da177e4SLinus Torvalds 2153c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2154c52399beSRalf Baechle bool "32kB" 2155c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21561e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2157c52399beSRalf Baechle help 2158c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2159c52399beSRalf Baechle the price of higher memory consumption. This option is available 2160c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2161c52399beSRalf Baechle distribution to support this. 2162c52399beSRalf Baechle 21631da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21641da177e4SLinus Torvalds bool "64kB" 21653b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21661da177e4SLinus Torvalds help 21671da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21681da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21691da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2170714bfad6SRalf Baechle writing this option is still high experimental. 21711da177e4SLinus Torvalds 21721da177e4SLinus Torvaldsendchoice 21731da177e4SLinus Torvalds 2174c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2175c9bace7cSDavid Daney int "Maximum zone order" 2176e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2177e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2178e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2179e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2180e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2181e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2182c9bace7cSDavid Daney range 11 64 2183c9bace7cSDavid Daney default "11" 2184c9bace7cSDavid Daney help 2185c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2186c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2187c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2188c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2189c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2190c9bace7cSDavid Daney increase this value. 2191c9bace7cSDavid Daney 2192c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2193c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2194c9bace7cSDavid Daney 2195c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2196c9bace7cSDavid Daney when choosing a value for this option. 2197c9bace7cSDavid Daney 21981da177e4SLinus Torvaldsconfig BOARD_SCACHE 21991da177e4SLinus Torvalds bool 22001da177e4SLinus Torvalds 22011da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22021da177e4SLinus Torvalds bool 22031da177e4SLinus Torvalds select BOARD_SCACHE 22041da177e4SLinus Torvalds 22059318c51aSChris Dearman# 22069318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22079318c51aSChris Dearman# 22089318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22099318c51aSChris Dearman bool 22109318c51aSChris Dearman select BOARD_SCACHE 22119318c51aSChris Dearman 22121da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22131da177e4SLinus Torvalds bool 22141da177e4SLinus Torvalds select BOARD_SCACHE 22151da177e4SLinus Torvalds 22161da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22171da177e4SLinus Torvalds bool 22181da177e4SLinus Torvalds select BOARD_SCACHE 22191da177e4SLinus Torvalds 22201da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22211da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22221da177e4SLinus Torvalds depends on CPU_SB1 22231da177e4SLinus Torvalds help 22241da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22251da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22261da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22271da177e4SLinus Torvalds 22281da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2229c8094b53SRalf Baechle bool 22301da177e4SLinus Torvalds 22313165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22323165c846SFlorian Fainelli bool 22333b2db173SPaul Burton default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX) 22343165c846SFlorian Fainelli 223591405eb6SFlorian Fainelliconfig CPU_R4K_FPU 223691405eb6SFlorian Fainelli bool 2237a2aea699SPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 223891405eb6SFlorian Fainelli 223962cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 224062cedc4fSFlorian Fainelli bool 224162cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 224262cedc4fSFlorian Fainelli 224359d6ab86SRalf Baechleconfig MIPS_MT_SMP 2244a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22455cbf9688SPaul Burton default y 2246527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 224759d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2248d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2249c080faa5SSteven J. Hill select SYNC_R4K 225059d6ab86SRalf Baechle select MIPS_MT 225159d6ab86SRalf Baechle select SMP 225287353d8aSRalf Baechle select SMP_UP 2253c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2254c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2255399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 225659d6ab86SRalf Baechle help 2257c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2258c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2259c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2260c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2261c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 226259d6ab86SRalf Baechle 2263f41ae0b2SRalf Baechleconfig MIPS_MT 2264f41ae0b2SRalf Baechle bool 2265f41ae0b2SRalf Baechle 22660ab7aefcSRalf Baechleconfig SCHED_SMT 22670ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22680ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22690ab7aefcSRalf Baechle default n 22700ab7aefcSRalf Baechle help 22710ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 22720ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 22730ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 22740ab7aefcSRalf Baechle 22750ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22760ab7aefcSRalf Baechle bool 22770ab7aefcSRalf Baechle 2278f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2279f41ae0b2SRalf Baechle bool 2280f41ae0b2SRalf Baechle 2281f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2282f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2283f088fc84SRalf Baechle default y 2284b633648cSRalf Baechle depends on MIPS_MT_SMP 228507cc0c9eSRalf Baechle 2286b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2287b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 22889eaa9a82SPaul Burton depends on CPU_MIPSR6 2289b0a668fbSLeonid Yegoshin default y 2290b0a668fbSLeonid Yegoshin help 2291b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2292b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 229307edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2294b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2295b0a668fbSLeonid Yegoshin final kernel image. 2296b0a668fbSLeonid Yegoshin 2297f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2298f35764e7SJames Hogan bool 2299f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2300f35764e7SJames Hogan help 2301f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2302f35764e7SJames Hogan physical_memsize. 2303f35764e7SJames Hogan 230407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 230507cc0c9eSRalf Baechle bool "VPE loader support." 2306f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 230707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 230807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 230907cc0c9eSRalf Baechle select MIPS_MT 231007cc0c9eSRalf Baechle help 231107cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 231207cc0c9eSRalf Baechle onto another VPE and running it. 2313f088fc84SRalf Baechle 231417a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 231517a1d523SDeng-Cheng Zhu bool 231617a1d523SDeng-Cheng Zhu default "y" 231717a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 231817a1d523SDeng-Cheng Zhu 23191a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23201a2a6d7eSDeng-Cheng Zhu bool 23211a2a6d7eSDeng-Cheng Zhu default "y" 23221a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23231a2a6d7eSDeng-Cheng Zhu 2324e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2325e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2326e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2327e01402b1SRalf Baechle default y 2328e01402b1SRalf Baechle help 2329e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2330e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2331e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2332e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2333e01402b1SRalf Baechle 2334e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2335e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2336e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2337e01402b1SRalf Baechle 2338da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2339da615cf6SDeng-Cheng Zhu bool 2340da615cf6SDeng-Cheng Zhu default "y" 2341da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2342da615cf6SDeng-Cheng Zhu 23432c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23442c973ef0SDeng-Cheng Zhu bool 23452c973ef0SDeng-Cheng Zhu default "y" 23462c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23472c973ef0SDeng-Cheng Zhu 23484a16ff4cSRalf Baechleconfig MIPS_CMP 23495cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23505676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2351b10b43baSMarkos Chandras select SMP 2352eb9b5141STim Anderson select SYNC_R4K 2353b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 23544a16ff4cSRalf Baechle select WEAK_ORDERING 23554a16ff4cSRalf Baechle default n 23564a16ff4cSRalf Baechle help 2357044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2358044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2359044505c7SPaul Burton its ability to start secondary CPUs. 23604a16ff4cSRalf Baechle 23615cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 23625cac93b3SPaul Burton instead of this. 23635cac93b3SPaul Burton 23640ee958e1SPaul Burtonconfig MIPS_CPS 23650ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 23665a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 23670ee958e1SPaul Burton select MIPS_CM 23681d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 23690ee958e1SPaul Burton select SMP 23700ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 23711d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2372c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 23730ee958e1SPaul Burton select SYS_SUPPORTS_SMP 23740ee958e1SPaul Burton select WEAK_ORDERING 23750ee958e1SPaul Burton help 23760ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 23770ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 23780ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 23790ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 23800ee958e1SPaul Burton support is unavailable. 23810ee958e1SPaul Burton 23823179d37eSPaul Burtonconfig MIPS_CPS_PM 238339a59593SMarkos Chandras depends on MIPS_CPS 23843179d37eSPaul Burton bool 23853179d37eSPaul Burton 23869f98f3ddSPaul Burtonconfig MIPS_CM 23879f98f3ddSPaul Burton bool 23883c9b4166SPaul Burton select MIPS_CPC 23899f98f3ddSPaul Burton 23909c38cf44SPaul Burtonconfig MIPS_CPC 23919c38cf44SPaul Burton bool 23922600990eSRalf Baechle 23931da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 23941da177e4SLinus Torvalds bool 23951da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 23961da177e4SLinus Torvalds default y 23971da177e4SLinus Torvalds 23981da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 23991da177e4SLinus Torvalds bool 24001da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24011da177e4SLinus Torvalds default y 24021da177e4SLinus Torvalds 24032235a54dSSanjay Lal 240460ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 240534adb28dSRalf Baechle bool 240660ec6571Spascal@pabr.org 24079e2b5372SMarkos Chandraschoice 24089e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24099e2b5372SMarkos Chandras 24109e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24119e2b5372SMarkos Chandras bool "None" 24129e2b5372SMarkos Chandras help 24139e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24149e2b5372SMarkos Chandras 24159693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24169693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24179e2b5372SMarkos Chandras bool "SmartMIPS" 24189693a853SFranck Bui-Huu help 24199693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24209693a853SFranck Bui-Huu increased security at both hardware and software level for 24219693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24229693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24239693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24249693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24259693a853SFranck Bui-Huu here. 24269693a853SFranck Bui-Huu 2427bce86083SSteven J. Hillconfig CPU_MICROMIPS 24287fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24299e2b5372SMarkos Chandras bool "microMIPS" 2430bce86083SSteven J. Hill help 2431bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2432bce86083SSteven J. Hill microMIPS ISA 2433bce86083SSteven J. Hill 24349e2b5372SMarkos Chandrasendchoice 24359e2b5372SMarkos Chandras 2436a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24370ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2438a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 24392a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2440a5e9a69eSPaul Burton help 2441a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2442a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24431db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24441db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24451db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24461db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24471db1af84SPaul Burton the size & complexity of your kernel. 2448a5e9a69eSPaul Burton 2449a5e9a69eSPaul Burton If unsure, say Y. 2450a5e9a69eSPaul Burton 24511da177e4SLinus Torvaldsconfig CPU_HAS_WB 2452f7062ddbSRalf Baechle bool 2453e01402b1SRalf Baechle 2454df0ac8a4SKevin Cernekeeconfig XKS01 2455df0ac8a4SKevin Cernekee bool 2456df0ac8a4SKevin Cernekee 24578256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 24588256b17eSFlorian Fainelli bool 24598256b17eSFlorian Fainelli 2460f41ae0b2SRalf Baechle# 2461f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2462f41ae0b2SRalf Baechle# 2463e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2464f41ae0b2SRalf Baechle bool 2465e01402b1SRalf Baechle 2466f41ae0b2SRalf Baechle# 2467f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2468f41ae0b2SRalf Baechle# 2469e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2470f41ae0b2SRalf Baechle bool 2471e01402b1SRalf Baechle 24721da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 24731da177e4SLinus Torvalds bool 24741da177e4SLinus Torvalds depends on !CPU_R3000 24751da177e4SLinus Torvalds default y 24761da177e4SLinus Torvalds 24771da177e4SLinus Torvalds# 247820d60d99SMaciej W. Rozycki# CPU non-features 247920d60d99SMaciej W. Rozycki# 248020d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 248120d60d99SMaciej W. Rozycki bool 248220d60d99SMaciej W. Rozycki 248320d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 248420d60d99SMaciej W. Rozycki bool 248520d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 248620d60d99SMaciej W. Rozycki 248720d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 248820d60d99SMaciej W. Rozycki bool 248920d60d99SMaciej W. Rozycki 24904edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 24914edf00a4SPaul Burton int 24924edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 24934edf00a4SPaul Burton default 4 if CPU_R8000 24944edf00a4SPaul Burton default 0 24954edf00a4SPaul Burton 24964edf00a4SPaul Burtonconfig MIPS_ASID_BITS 24974edf00a4SPaul Burton int 24982db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 24994edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25004edf00a4SPaul Burton default 8 25014edf00a4SPaul Burton 25022db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25032db003a5SPaul Burton bool 25042db003a5SPaul Burton 250520d60d99SMaciej W. Rozycki# 25061da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25071da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25081da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25091da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25101da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25111da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25121da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25131da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2514797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2515797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2516797798c1SRalf Baechle# support. 25171da177e4SLinus Torvalds# 25181da177e4SLinus Torvaldsconfig HIGHMEM 25191da177e4SLinus Torvalds bool "High Memory Support" 2520a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2521797798c1SRalf Baechle 2522797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2523797798c1SRalf Baechle bool 2524797798c1SRalf Baechle 2525797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2526797798c1SRalf Baechle bool 25271da177e4SLinus Torvalds 25289693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25299693a853SFranck Bui-Huu bool 25309693a853SFranck Bui-Huu 2531a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2532a6a4834cSSteven J. Hill bool 2533a6a4834cSSteven J. Hill 2534377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2535377cb1b6SRalf Baechle bool 2536377cb1b6SRalf Baechle help 2537377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2538377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2539377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2540377cb1b6SRalf Baechle 2541a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2542a5e9a69eSPaul Burton bool 2543a5e9a69eSPaul Burton 2544b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2545b4819b59SYoichi Yuasa def_bool y 2546f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2547b4819b59SYoichi Yuasa 2548d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2549d8cb4e11SRalf Baechle bool 2550d8cb4e11SRalf Baechle default y if SGI_IP27 2551d8cb4e11SRalf Baechle help 25523dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2553d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2554d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2555d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2556d8cb4e11SRalf Baechle 2557b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2558b1c6cd42SAtsushi Nemoto bool 25597de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 256031473747SAtsushi Nemoto 2561d8cb4e11SRalf Baechleconfig NUMA 2562d8cb4e11SRalf Baechle bool "NUMA Support" 2563d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2564d8cb4e11SRalf Baechle help 2565d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2566d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2567d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2568d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2569d8cb4e11SRalf Baechle disabled. 2570d8cb4e11SRalf Baechle 2571d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2572d8cb4e11SRalf Baechle bool 2573d8cb4e11SRalf Baechle 25748c530ea3SMatt Redfearnconfig RELOCATABLE 25758c530ea3SMatt Redfearn bool "Relocatable kernel" 25763ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 25778c530ea3SMatt Redfearn help 25788c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 25798c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 25808c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 25818c530ea3SMatt Redfearn but are discarded at runtime 25828c530ea3SMatt Redfearn 2583069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2584069fd766SMatt Redfearn hex "Relocation table size" 2585069fd766SMatt Redfearn depends on RELOCATABLE 2586069fd766SMatt Redfearn range 0x0 0x01000000 2587069fd766SMatt Redfearn default "0x00100000" 2588069fd766SMatt Redfearn ---help--- 2589069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2590069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2591069fd766SMatt Redfearn 2592069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2593069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2594069fd766SMatt Redfearn 2595069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2596069fd766SMatt Redfearn 2597069fd766SMatt Redfearn If unsure, leave at the default value. 2598069fd766SMatt Redfearn 2599405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2600405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2601405bc8fdSMatt Redfearn depends on RELOCATABLE 2602405bc8fdSMatt Redfearn ---help--- 2603405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2604405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2605405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2606405bc8fdSMatt Redfearn of kernel internals. 2607405bc8fdSMatt Redfearn 2608405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2609405bc8fdSMatt Redfearn 2610405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2611405bc8fdSMatt Redfearn 2612405bc8fdSMatt Redfearn If unsure, say N. 2613405bc8fdSMatt Redfearn 2614405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2615405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2616405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2617405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2618405bc8fdSMatt Redfearn range 0x0 0x08000000 2619405bc8fdSMatt Redfearn default "0x01000000" 2620405bc8fdSMatt Redfearn ---help--- 2621405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2622405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2623405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2624405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2625405bc8fdSMatt Redfearn 2626405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2627405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2628405bc8fdSMatt Redfearn 2629c80d79d7SYasunori Gotoconfig NODES_SHIFT 2630c80d79d7SYasunori Goto int 2631c80d79d7SYasunori Goto default "6" 2632c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2633c80d79d7SYasunori Goto 263414f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 263514f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 263623021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 263714f70012SDeng-Cheng Zhu default y 263814f70012SDeng-Cheng Zhu help 263914f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 264014f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 264114f70012SDeng-Cheng Zhu 2642b4819b59SYoichi Yuasasource "mm/Kconfig" 2643b4819b59SYoichi Yuasa 26441da177e4SLinus Torvaldsconfig SMP 26451da177e4SLinus Torvalds bool "Multi-Processing support" 2646e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2647e73ea273SRalf Baechle help 26481da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 26494a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 26504a474157SRobert Graffham than one CPU, say Y. 26511da177e4SLinus Torvalds 26524a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 26531da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 26541da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 26554a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 26561da177e4SLinus Torvalds will run faster if you say N here. 26571da177e4SLinus Torvalds 26581da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 26591da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 26601da177e4SLinus Torvalds 266103502faaSAdrian Bunk See also the SMP-HOWTO available at 266203502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 26631da177e4SLinus Torvalds 26641da177e4SLinus Torvalds If you don't know what to do here, say N. 26651da177e4SLinus Torvalds 26667840d618SMatt Redfearnconfig HOTPLUG_CPU 26677840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 26687840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 26697840d618SMatt Redfearn help 26707840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 26717840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 26727840d618SMatt Redfearn (Note: power management support will enable this option 26737840d618SMatt Redfearn automatically on SMP systems. ) 26747840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 26757840d618SMatt Redfearn 267687353d8aSRalf Baechleconfig SMP_UP 267787353d8aSRalf Baechle bool 267887353d8aSRalf Baechle 26794a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 26804a16ff4cSRalf Baechle bool 26814a16ff4cSRalf Baechle 26820ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 26830ee958e1SPaul Burton bool 26840ee958e1SPaul Burton 2685e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2686e73ea273SRalf Baechle bool 2687e73ea273SRalf Baechle 2688130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2689130e2fb7SRalf Baechle bool 2690130e2fb7SRalf Baechle 2691130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2692130e2fb7SRalf Baechle bool 2693130e2fb7SRalf Baechle 2694130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2695130e2fb7SRalf Baechle bool 2696130e2fb7SRalf Baechle 2697130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2698130e2fb7SRalf Baechle bool 2699130e2fb7SRalf Baechle 2700130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2701130e2fb7SRalf Baechle bool 2702130e2fb7SRalf Baechle 27031da177e4SLinus Torvaldsconfig NR_CPUS 2704a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2705a91796a9SJayachandran C range 2 256 27061da177e4SLinus Torvalds depends on SMP 2707130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2708130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2709130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2710130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2711130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27121da177e4SLinus Torvalds help 27131da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27141da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27151da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 271672ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 271772ede9b1SAtsushi Nemoto and 2 for all others. 27181da177e4SLinus Torvalds 27191da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 272072ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 272172ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 272272ede9b1SAtsushi Nemoto power of two. 27231da177e4SLinus Torvalds 2724399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2725399aaa25SAl Cooper bool 2726399aaa25SAl Cooper 27277820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27287820b84bSDavid Daney bool 27297820b84bSDavid Daney 27307820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27317820b84bSDavid Daney int 27327820b84bSDavid Daney depends on SMP 27337820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 27347820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 27357820b84bSDavid Daney 27361723b4a3SAtsushi Nemoto# 27371723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 27381723b4a3SAtsushi Nemoto# 27391723b4a3SAtsushi Nemoto 27401723b4a3SAtsushi Nemotochoice 27411723b4a3SAtsushi Nemoto prompt "Timer frequency" 27421723b4a3SAtsushi Nemoto default HZ_250 27431723b4a3SAtsushi Nemoto help 27441723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 27451723b4a3SAtsushi Nemoto 274667596573SPaul Burton config HZ_24 274767596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 274867596573SPaul Burton 27491723b4a3SAtsushi Nemoto config HZ_48 27500f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 27511723b4a3SAtsushi Nemoto 27521723b4a3SAtsushi Nemoto config HZ_100 27531723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 27541723b4a3SAtsushi Nemoto 27551723b4a3SAtsushi Nemoto config HZ_128 27561723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 27571723b4a3SAtsushi Nemoto 27581723b4a3SAtsushi Nemoto config HZ_250 27591723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 27601723b4a3SAtsushi Nemoto 27611723b4a3SAtsushi Nemoto config HZ_256 27621723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 27631723b4a3SAtsushi Nemoto 27641723b4a3SAtsushi Nemoto config HZ_1000 27651723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 27661723b4a3SAtsushi Nemoto 27671723b4a3SAtsushi Nemoto config HZ_1024 27681723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 27691723b4a3SAtsushi Nemoto 27701723b4a3SAtsushi Nemotoendchoice 27711723b4a3SAtsushi Nemoto 277267596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 277367596573SPaul Burton bool 277467596573SPaul Burton 27751723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 27761723b4a3SAtsushi Nemoto bool 27771723b4a3SAtsushi Nemoto 27781723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 27791723b4a3SAtsushi Nemoto bool 27801723b4a3SAtsushi Nemoto 27811723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 27821723b4a3SAtsushi Nemoto bool 27831723b4a3SAtsushi Nemoto 27841723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 27851723b4a3SAtsushi Nemoto bool 27861723b4a3SAtsushi Nemoto 27871723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 27881723b4a3SAtsushi Nemoto bool 27891723b4a3SAtsushi Nemoto 27901723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 27911723b4a3SAtsushi Nemoto bool 27921723b4a3SAtsushi Nemoto 27931723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 27941723b4a3SAtsushi Nemoto bool 27951723b4a3SAtsushi Nemoto 27961723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 27971723b4a3SAtsushi Nemoto bool 279867596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 279967596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 280067596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 280167596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 280267596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 280367596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 280467596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28051723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28061723b4a3SAtsushi Nemoto 28071723b4a3SAtsushi Nemotoconfig HZ 28081723b4a3SAtsushi Nemoto int 280967596573SPaul Burton default 24 if HZ_24 28101723b4a3SAtsushi Nemoto default 48 if HZ_48 28111723b4a3SAtsushi Nemoto default 100 if HZ_100 28121723b4a3SAtsushi Nemoto default 128 if HZ_128 28131723b4a3SAtsushi Nemoto default 250 if HZ_250 28141723b4a3SAtsushi Nemoto default 256 if HZ_256 28151723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28161723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28171723b4a3SAtsushi Nemoto 281896685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 281996685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 282096685b17SDeng-Cheng Zhu 2821e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 28221da177e4SLinus Torvalds 2823ea6e942bSAtsushi Nemotoconfig KEXEC 28247d60717eSKees Cook bool "Kexec system call" 28252965faa5SDave Young select KEXEC_CORE 2826ea6e942bSAtsushi Nemoto help 2827ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2828ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28293dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2830ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2831ea6e942bSAtsushi Nemoto 283201dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2833ea6e942bSAtsushi Nemoto 2834ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2835ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2836bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2837bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2838bf220695SGeert Uytterhoeven made. 2839ea6e942bSAtsushi Nemoto 28407aa1c8f4SRalf Baechleconfig CRASH_DUMP 28417aa1c8f4SRalf Baechle bool "Kernel crash dumps" 28427aa1c8f4SRalf Baechle help 28437aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 28447aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 28457aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 28467aa1c8f4SRalf Baechle a specially reserved region and then later executed after 28477aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 28487aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 28497aa1c8f4SRalf Baechle PHYSICAL_START. 28507aa1c8f4SRalf Baechle 28517aa1c8f4SRalf Baechleconfig PHYSICAL_START 28527aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 28537aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 28547aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 28557aa1c8f4SRalf Baechle depends on CRASH_DUMP 28567aa1c8f4SRalf Baechle help 28577aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 28587aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 28597aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 28607aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 28617aa1c8f4SRalf Baechle passed to the panic-ed kernel). 28627aa1c8f4SRalf Baechle 2863ea6e942bSAtsushi Nemotoconfig SECCOMP 2864ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2865293c5bd1SRalf Baechle depends on PROC_FS 2866ea6e942bSAtsushi Nemoto default y 2867ea6e942bSAtsushi Nemoto help 2868ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2869ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2870ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2871ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2872ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2873ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2874ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2875ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2876ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2877ea6e942bSAtsushi Nemoto 2878ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2879ea6e942bSAtsushi Nemoto 2880597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 28810ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2882597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2883597ce172SPaul Burton help 2884597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2885597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2886597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2887597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2888597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2889597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2890597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2891597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2892597ce172SPaul Burton saying N here. 2893597ce172SPaul Burton 289406e2e882SPaul Burton Although binutils currently supports use of this flag the details 289506e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 289606e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 289706e2e882SPaul Burton behaviour before the details have been finalised, this option should 289806e2e882SPaul Burton be considered experimental and only enabled by those working upon 289906e2e882SPaul Burton said details. 290006e2e882SPaul Burton 290106e2e882SPaul Burton If unsure, say N. 2902597ce172SPaul Burton 2903f2ffa5abSDezhong Diaoconfig USE_OF 29040b3e06fdSJonas Gorski bool 2905f2ffa5abSDezhong Diao select OF 2906e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2907abd2363fSGrant Likely select IRQ_DOMAIN 2908f2ffa5abSDezhong Diao 29097fafb068SAndrew Brestickerconfig BUILTIN_DTB 29107fafb068SAndrew Bresticker bool 29117fafb068SAndrew Bresticker 29121da8f179SJonas Gorskichoice 29135b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29141da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29151da8f179SJonas Gorski 29161da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29171da8f179SJonas Gorski bool "None" 29181da8f179SJonas Gorski help 29191da8f179SJonas Gorski Do not enable appended dtb support. 29201da8f179SJonas Gorski 292187db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 292287db537dSAaro Koskinen bool "vmlinux" 292387db537dSAaro Koskinen help 292487db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 292587db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 292687db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 292787db537dSAaro Koskinen objcopy: 292887db537dSAaro Koskinen 292987db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 293087db537dSAaro Koskinen 293187db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 293287db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 293387db537dSAaro Koskinen the documented boot protocol using a device tree. 293487db537dSAaro Koskinen 29351da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2936b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29371da8f179SJonas Gorski help 29381da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2939b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 29401da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 29411da8f179SJonas Gorski 29421da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 29431da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 29441da8f179SJonas Gorski the documented boot protocol using a device tree. 29451da8f179SJonas Gorski 29461da8f179SJonas Gorski Beware that there is very little in terms of protection against 29471da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 29481da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 29491da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 29501da8f179SJonas Gorski if you don't intend to always append a DTB. 29511da8f179SJonas Gorskiendchoice 29521da8f179SJonas Gorski 29532024972eSJonas Gorskichoice 29542024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 29552bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 29563f5f0a44SPaul Burton !MIPS_MALTA && \ 29572bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 29582024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 29592024972eSJonas Gorski 29602024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 29612024972eSJonas Gorski depends on USE_OF 29622024972eSJonas Gorski bool "Dtb kernel arguments if available" 29632024972eSJonas Gorski 29642024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 29652024972eSJonas Gorski depends on USE_OF 29662024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 29672024972eSJonas Gorski 29682024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 29692024972eSJonas Gorski bool "Bootloader kernel arguments if available" 2970ed47e153SRabin Vincent 2971ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 2972ed47e153SRabin Vincent depends on CMDLINE_BOOL 2973ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 29742024972eSJonas Gorskiendchoice 29752024972eSJonas Gorski 29765e83d430SRalf Baechleendmenu 29775e83d430SRalf Baechle 29781df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 29791df0f0ffSAtsushi Nemoto bool 29801df0f0ffSAtsushi Nemoto default y 29811df0f0ffSAtsushi Nemoto 29821df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 29831df0f0ffSAtsushi Nemoto bool 29841df0f0ffSAtsushi Nemoto default y 29851df0f0ffSAtsushi Nemoto 2986e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 2987e1e16115SAaro Koskinen bool 2988e1e16115SAaro Koskinen default y 2989e1e16115SAaro Koskinen 2990a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2991a728ab52SKirill A. Shutemov int 29923377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 2993a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2994a728ab52SKirill A. Shutemov default 2 2995a728ab52SKirill A. Shutemov 2996b6c3539bSRalf Baechlesource "init/Kconfig" 2997b6c3539bSRalf Baechle 2998dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2999dc52ddc0SMatt Helsley 30001da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30011da177e4SLinus Torvalds 30025e83d430SRalf Baechleconfig HW_HAS_EISA 30035e83d430SRalf Baechle bool 30041da177e4SLinus Torvaldsconfig HW_HAS_PCI 30051da177e4SLinus Torvalds bool 30061da177e4SLinus Torvalds 30071da177e4SLinus Torvaldsconfig PCI 30081da177e4SLinus Torvalds bool "Support for PCI controller" 30091da177e4SLinus Torvalds depends on HW_HAS_PCI 3010abb4ae46SRalf Baechle select PCI_DOMAINS 30111da177e4SLinus Torvalds help 30121da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 30131da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 30141da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 30151da177e4SLinus Torvalds say Y, otherwise N. 30161da177e4SLinus Torvalds 30170e476d91SHuacai Chenconfig HT_PCI 30180e476d91SHuacai Chen bool "Support for HT-linked PCI" 30190e476d91SHuacai Chen default y 30200e476d91SHuacai Chen depends on CPU_LOONGSON3 30210e476d91SHuacai Chen select PCI 30220e476d91SHuacai Chen select PCI_DOMAINS 30230e476d91SHuacai Chen help 30240e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 30250e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 30260e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 30270e476d91SHuacai Chen 30281da177e4SLinus Torvaldsconfig PCI_DOMAINS 30291da177e4SLinus Torvalds bool 30301da177e4SLinus Torvalds 303188555b48SPaul Burtonconfig PCI_DOMAINS_GENERIC 303288555b48SPaul Burton bool 303388555b48SPaul Burton 3034c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 303587dd9a4dSPaul Burton select PCI_DOMAINS_GENERIC if PCI_DOMAINS 3036c5611df9SPaul Burton bool 3037c5611df9SPaul Burton 3038c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3039c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3040c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 3041c5611df9SPaul Burton 30421da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 30431da177e4SLinus Torvalds 30441da177e4SLinus Torvalds# 30451da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30461da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30471da177e4SLinus Torvalds# users to choose the right thing ... 30481da177e4SLinus Torvalds# 30491da177e4SLinus Torvaldsconfig ISA 30501da177e4SLinus Torvalds bool 30511da177e4SLinus Torvalds 30521da177e4SLinus Torvaldsconfig EISA 30531da177e4SLinus Torvalds bool "EISA support" 30545e83d430SRalf Baechle depends on HW_HAS_EISA 30551da177e4SLinus Torvalds select ISA 3056aa414dffSRalf Baechle select GENERIC_ISA_DMA 30571da177e4SLinus Torvalds ---help--- 30581da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 30591da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 30601da177e4SLinus Torvalds 30611da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 30621da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 30631da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 30641da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 30651da177e4SLinus Torvalds 30661da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 30671da177e4SLinus Torvalds 30681da177e4SLinus Torvalds Otherwise, say N. 30691da177e4SLinus Torvalds 30701da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 30711da177e4SLinus Torvalds 30721da177e4SLinus Torvaldsconfig TC 30731da177e4SLinus Torvalds bool "TURBOchannel support" 30741da177e4SLinus Torvalds depends on MACH_DECSTATION 30751da177e4SLinus Torvalds help 307650a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 307750a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 307850a23e6eSJustin P. Mattock at: 307950a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 308050a23e6eSJustin P. Mattock and: 308150a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 308250a23e6eSJustin P. Mattock Linux driver support status is documented at: 308350a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30841da177e4SLinus Torvalds 30851da177e4SLinus Torvaldsconfig MMU 30861da177e4SLinus Torvalds bool 30871da177e4SLinus Torvalds default y 30881da177e4SLinus Torvalds 3089109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3090109c32ffSMatt Redfearn default 12 if 64BIT 3091109c32ffSMatt Redfearn default 8 3092109c32ffSMatt Redfearn 3093109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3094109c32ffSMatt Redfearn default 18 if 64BIT 3095109c32ffSMatt Redfearn default 15 3096109c32ffSMatt Redfearn 3097109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3098109c32ffSMatt Redfearn default 8 3099109c32ffSMatt Redfearn 3100109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3101109c32ffSMatt Redfearn default 15 3102109c32ffSMatt Redfearn 3103d865bea4SRalf Baechleconfig I8253 3104d865bea4SRalf Baechle bool 3105798778b8SRussell King select CLKSRC_I8253 31062d02612fSThomas Gleixner select CLKEVT_I8253 31079726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3108d865bea4SRalf Baechle 3109e05eb3f8SRalf Baechleconfig ZONE_DMA 3110e05eb3f8SRalf Baechle bool 3111e05eb3f8SRalf Baechle 3112cce335aeSRalf Baechleconfig ZONE_DMA32 3113cce335aeSRalf Baechle bool 3114cce335aeSRalf Baechle 31151da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 31161da177e4SLinus Torvalds 3117388b78adSAlexandre Bounineconfig RAPIDIO 311856abde72SAlexandre Bounine tristate "RapidIO support" 3119388b78adSAlexandre Bounine depends on PCI 3120388b78adSAlexandre Bounine default n 3121388b78adSAlexandre Bounine help 3122388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 3123388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 3124388b78adSAlexandre Bounine 3125388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 3126388b78adSAlexandre Bounine 31271da177e4SLinus Torvaldsendmenu 31281da177e4SLinus Torvalds 31291da177e4SLinus Torvaldsmenu "Executable file formats" 31301da177e4SLinus Torvalds 31311da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 31321da177e4SLinus Torvalds 31331da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31341da177e4SLinus Torvalds bool 31351da177e4SLinus Torvalds 31361da177e4SLinus Torvaldsconfig MIPS32_COMPAT 313778aaf956SRalf Baechle bool 31381da177e4SLinus Torvalds 31391da177e4SLinus Torvaldsconfig COMPAT 31401da177e4SLinus Torvalds bool 31411da177e4SLinus Torvalds 314205e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 314305e43966SAtsushi Nemoto bool 314405e43966SAtsushi Nemoto 31451da177e4SLinus Torvaldsconfig MIPS32_O32 31461da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 314778aaf956SRalf Baechle depends on 64BIT 314878aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 314978aaf956SRalf Baechle select COMPAT 315078aaf956SRalf Baechle select MIPS32_COMPAT 315178aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31521da177e4SLinus Torvalds help 31531da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31541da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31551da177e4SLinus Torvalds existing binaries are in this format. 31561da177e4SLinus Torvalds 31571da177e4SLinus Torvalds If unsure, say Y. 31581da177e4SLinus Torvalds 31591da177e4SLinus Torvaldsconfig MIPS32_N32 31601da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3161c22eacfeSRalf Baechle depends on 64BIT 316278aaf956SRalf Baechle select COMPAT 316378aaf956SRalf Baechle select MIPS32_COMPAT 316478aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31651da177e4SLinus Torvalds help 31661da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31671da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31681da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31691da177e4SLinus Torvalds cases. 31701da177e4SLinus Torvalds 31711da177e4SLinus Torvalds If unsure, say N. 31721da177e4SLinus Torvalds 31731da177e4SLinus Torvaldsconfig BINFMT_ELF32 31741da177e4SLinus Torvalds bool 31751da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3176f43edca7SRalf Baechle select ELFCORE 31771da177e4SLinus Torvalds 31782116245eSRalf Baechleendmenu 31791da177e4SLinus Torvalds 31802116245eSRalf Baechlemenu "Power management options" 3181952fa954SRodolfo Giometti 3182363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3183363c55caSWu Zhangjin def_bool y 31843f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3185363c55caSWu Zhangjin 3186f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3187f4cb5700SJohannes Berg def_bool y 31883f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3189f4cb5700SJohannes Berg 31902116245eSRalf Baechlesource "kernel/power/Kconfig" 3191952fa954SRodolfo Giometti 31921da177e4SLinus Torvaldsendmenu 31931da177e4SLinus Torvalds 31947a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31957a998935SViresh Kumar bool 31967a998935SViresh Kumar 31977a998935SViresh Kumarmenu "CPU Power Management" 3198c095ebafSPaul Burton 3199c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32007a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32017a998935SViresh Kumarendif 32029726b43aSWu Zhangjin 3203c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3204c095ebafSPaul Burton 3205c095ebafSPaul Burtonendmenu 3206c095ebafSPaul Burton 3207d5950b43SSam Ravnborgsource "net/Kconfig" 3208d5950b43SSam Ravnborg 32091da177e4SLinus Torvaldssource "drivers/Kconfig" 32101da177e4SLinus Torvalds 321198cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 321298cdee0eSRalf Baechle 32131da177e4SLinus Torvaldssource "fs/Kconfig" 32141da177e4SLinus Torvalds 32151da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 32161da177e4SLinus Torvalds 32171da177e4SLinus Torvaldssource "security/Kconfig" 32181da177e4SLinus Torvalds 32191da177e4SLinus Torvaldssource "crypto/Kconfig" 32201da177e4SLinus Torvalds 32211da177e4SLinus Torvaldssource "lib/Kconfig" 32222235a54dSSanjay Lal 32232235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3224