11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 412597988SMatt Redfearn select ARCH_BINFMT_ELF_STATE 512597988SMatt Redfearn select ARCH_CLOCKSOURCE_DATA 612597988SMatt Redfearn select ARCH_DISCARD_MEMBLOCK 712597988SMatt Redfearn select ARCH_HAS_ELF_RANDOMIZE 812597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 9a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 10393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 1112597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 121ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1312597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1425da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 150b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 1612597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1712597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 1812597988SMatt Redfearn select CLONE_BACKWARDS 1912597988SMatt Redfearn select CPU_PM if CPU_IDLE 2012597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2112597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2212597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2312597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 2412597988SMatt Redfearn select GENERIC_IRQ_PROBE 2512597988SMatt Redfearn select GENERIC_IRQ_SHOW 2612597988SMatt Redfearn select GENERIC_PCI_IOMAP 2712597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 2812597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 2912597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 3012597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 3112597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 3288547001SJason Wessel select HAVE_ARCH_KGDB 33109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 34109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 35490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 36c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 3712597988SMatt Redfearn select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 38f381bf6dSDavid Daney select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS) 39f381bf6dSDavid Daney select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS) 4012597988SMatt Redfearn select HAVE_CC_STACKPROTECTOR 4112597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 4212597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 4364575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 4412597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 4512597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 4612597988SMatt Redfearn select HAVE_DMA_API_DEBUG 4712597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 4812597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 4912597988SMatt Redfearn select HAVE_EXIT_THREAD 5012597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 5129c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 5212597988SMatt Redfearn select HAVE_FUNCTION_TRACER 5312597988SMatt Redfearn select HAVE_GENERIC_DMA_COHERENT 5412597988SMatt Redfearn select HAVE_IDE 5512597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 5612597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 57c1bf207dSDavid Daney select HAVE_KPROBES 58c1bf207dSDavid Daney select HAVE_KRETPROBES 599d15ffc8STejun Heo select HAVE_MEMBLOCK 609d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 61786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 6242a0bb3fSPetr Mladek select HAVE_NMI 6312597988SMatt Redfearn select HAVE_OPROFILE 6412597988SMatt Redfearn select HAVE_PERF_EVENTS 6508bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 6612597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 6712597988SMatt Redfearn select HAVE_VIRT_CPU_ACCOUNTING_GEN 6812597988SMatt Redfearn select IRQ_FORCED_THREADING 6912597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 7012597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 7112597988SMatt Redfearn select PERF_USE_VMALLOC 7212597988SMatt Redfearn select RTC_LIB if !MACH_LOONGSON64 7312597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 7412597988SMatt Redfearn select VIRT_TO_BUS 751da177e4SLinus Torvalds 761da177e4SLinus Torvaldsmenu "Machine selection" 771da177e4SLinus Torvalds 785e83d430SRalf Baechlechoice 795e83d430SRalf Baechle prompt "System type" 805e83d430SRalf Baechle default SGI_IP22 811da177e4SLinus Torvalds 82eed0eabdSPaul Burtonconfig MIPS_GENERIC 83eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 84eed0eabdSPaul Burton select BOOT_RAW 85eed0eabdSPaul Burton select BUILTIN_DTB 86eed0eabdSPaul Burton select CEVT_R4K 87eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 88eed0eabdSPaul Burton select COMMON_CLK 89eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 90eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 91eed0eabdSPaul Burton select CSRC_R4K 92eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 93eed0eabdSPaul Burton select HW_HAS_PCI 94eed0eabdSPaul Burton select IRQ_MIPS_CPU 95eed0eabdSPaul Burton select LIBFDT 96eed0eabdSPaul Burton select MIPS_CPU_SCACHE 97eed0eabdSPaul Burton select MIPS_GIC 98eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 99eed0eabdSPaul Burton select NO_EXCEPT_FILL 100eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 101eed0eabdSPaul Burton select PINCTRL 102eed0eabdSPaul Burton select SMP_UP if SMP 103a3078e59SMatt Redfearn select SWAP_IO_SPACE 104eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 105eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 106eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 107eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 108eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 109eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 110eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 111eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 112eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 113eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 114eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 115eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 116eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 117eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 118eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 119eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 120eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 121eed0eabdSPaul Burton select USB_EHCI_BIG_ENDIAN_DESC if BIG_ENDIAN 122eed0eabdSPaul Burton select USB_EHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN 123eed0eabdSPaul Burton select USB_OHCI_BIG_ENDIAN_DESC if BIG_ENDIAN 124eed0eabdSPaul Burton select USB_OHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN 125eed0eabdSPaul Burton select USB_UHCI_BIG_ENDIAN_DESC if BIG_ENDIAN 126eed0eabdSPaul Burton select USB_UHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN 127eed0eabdSPaul Burton select USE_OF 128eed0eabdSPaul Burton help 129eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 130eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 131eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 132eed0eabdSPaul Burton Interface) specification. 133eed0eabdSPaul Burton 13442a4f17dSManuel Laussconfig MIPS_ALCHEMY 135c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 13634adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 137f772cdb2SRalf Baechle select CEVT_R4K 138d7ea335cSSteven J. Hill select CSRC_R4K 13967e38cf2SRalf Baechle select IRQ_MIPS_CPU 14088e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 14142a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 14242a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 14342a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 144d30a2b47SLinus Walleij select GPIOLIB 1451b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 14647440229SManuel Lauss select COMMON_CLK 1471da177e4SLinus Torvalds 1487ca5dc14SFlorian Fainelliconfig AR7 1497ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1507ca5dc14SFlorian Fainelli select BOOT_ELF32 1517ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1527ca5dc14SFlorian Fainelli select CEVT_R4K 1537ca5dc14SFlorian Fainelli select CSRC_R4K 15467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1557ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1567ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1577ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1587ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1597ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1607ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 161377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1621b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 163d30a2b47SLinus Walleij select GPIOLIB 1647ca5dc14SFlorian Fainelli select VLYNQ 1658551fb64SYoichi Yuasa select HAVE_CLK 1667ca5dc14SFlorian Fainelli help 1677ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1687ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1697ca5dc14SFlorian Fainelli 17043cc739fSSergey Ryazanovconfig ATH25 17143cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 17243cc739fSSergey Ryazanov select CEVT_R4K 17343cc739fSSergey Ryazanov select CSRC_R4K 17443cc739fSSergey Ryazanov select DMA_NONCOHERENT 17567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1761753e74eSSergey Ryazanov select IRQ_DOMAIN 17743cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 17843cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 17943cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1808aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 18143cc739fSSergey Ryazanov help 18243cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 18343cc739fSSergey Ryazanov 184d4a67d9dSGabor Juhosconfig ATH79 185d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 186ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 187d4a67d9dSGabor Juhos select BOOT_RAW 188d4a67d9dSGabor Juhos select CEVT_R4K 189d4a67d9dSGabor Juhos select CSRC_R4K 190d4a67d9dSGabor Juhos select DMA_NONCOHERENT 191d30a2b47SLinus Walleij select GPIOLIB 19294638067SGabor Juhos select HAVE_CLK 193411520afSAlban Bedel select COMMON_CLK 1942c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 19567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1960aabf1a4SGabor Juhos select MIPS_MACHINE 197d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 198d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 199d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 200d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 201377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 202b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 20303c8c407SAlban Bedel select USE_OF 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 235d666cd02SKevin Cernekee help 2365f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2375f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2385f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2395f2d4459SKevin Cernekee must be set appropriately for your board. 240d666cd02SKevin Cernekee 2411c0c13ebSAurelien Jarnoconfig BCM47XX 242c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 243fe08f8c2SHauke Mehrtens select BOOT_RAW 24442f77542SRalf Baechle select CEVT_R4K 245940f6b48SRalf Baechle select CSRC_R4K 2461c0c13ebSAurelien Jarno select DMA_NONCOHERENT 2471c0c13ebSAurelien Jarno select HW_HAS_PCI 24867e38cf2SRalf Baechle select IRQ_MIPS_CPU 249314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 250dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2511c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2521c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 253377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 25425e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 255e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 256c949c0bcSRafał Miłecki select GPIOLIB 257c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 258f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2592ab71a02SRafał Miłecki select BCM47XX_SPROM 2601c0c13ebSAurelien Jarno help 2611c0c13ebSAurelien Jarno Support for BCM47XX based boards 2621c0c13ebSAurelien Jarno 263e7300d04SMaxime Bizonconfig BCM63XX 264e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 265ae8de61cSFlorian Fainelli select BOOT_RAW 266e7300d04SMaxime Bizon select CEVT_R4K 267e7300d04SMaxime Bizon select CSRC_R4K 268fc264022SJonas Gorski select SYNC_R4K 269e7300d04SMaxime Bizon select DMA_NONCOHERENT 27067e38cf2SRalf Baechle select IRQ_MIPS_CPU 271e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 272e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 273e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 274e7300d04SMaxime Bizon select SWAP_IO_SPACE 275d30a2b47SLinus Walleij select GPIOLIB 2763e82eeebSYoichi Yuasa select HAVE_CLK 277af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 278e7300d04SMaxime Bizon help 279e7300d04SMaxime Bizon Support for BCM63XX based boards 280e7300d04SMaxime Bizon 2811da177e4SLinus Torvaldsconfig MIPS_COBALT 2823fa986faSMartin Michlmayr bool "Cobalt Server" 28342f77542SRalf Baechle select CEVT_R4K 284940f6b48SRalf Baechle select CSRC_R4K 2851097c6acSYoichi Yuasa select CEVT_GT641XX 2861da177e4SLinus Torvalds select DMA_NONCOHERENT 2871da177e4SLinus Torvalds select HW_HAS_PCI 288d865bea4SRalf Baechle select I8253 2891da177e4SLinus Torvalds select I8259 29067e38cf2SRalf Baechle select IRQ_MIPS_CPU 291d5ab1a69SYoichi Yuasa select IRQ_GT641XX 292252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 293e25bfc92SYoichi Yuasa select PCI 2947cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2950a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 296ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2970e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2985e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 299e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3001da177e4SLinus Torvalds 3011da177e4SLinus Torvaldsconfig MACH_DECSTATION 3023fa986faSMartin Michlmayr bool "DECstations" 3031da177e4SLinus Torvalds select BOOT_ELF32 3046457d9fcSYoichi Yuasa select CEVT_DS1287 30581d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3064247417dSYoichi Yuasa select CSRC_IOASIC 30781d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 30820d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 30920d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 31020d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3111da177e4SLinus Torvalds select DMA_NONCOHERENT 312ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 31367e38cf2SRalf Baechle select IRQ_MIPS_CPU 3147cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3157cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 316ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3177d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3185e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3191723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3201723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3211723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 322930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3235e83d430SRalf Baechle help 3241da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3251da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3261da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3271da177e4SLinus Torvalds 3281da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3291da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3301da177e4SLinus Torvalds 3311da177e4SLinus Torvalds DECstation 5000/50 3321da177e4SLinus Torvalds DECstation 5000/150 3331da177e4SLinus Torvalds DECstation 5000/260 3341da177e4SLinus Torvalds DECsystem 5900/260 3351da177e4SLinus Torvalds 3361da177e4SLinus Torvalds otherwise choose R3000. 3371da177e4SLinus Torvalds 3385e83d430SRalf Baechleconfig MACH_JAZZ 3393fa986faSMartin Michlmayr bool "Jazz family of machines" 3400e2794b0SRalf Baechle select FW_ARC 3410e2794b0SRalf Baechle select FW_ARC32 3425e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 34342f77542SRalf Baechle select CEVT_R4K 344940f6b48SRalf Baechle select CSRC_R4K 345e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3465e83d430SRalf Baechle select GENERIC_ISA_DMA 3478a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 34867e38cf2SRalf Baechle select IRQ_MIPS_CPU 349d865bea4SRalf Baechle select I8253 3505e83d430SRalf Baechle select I8259 3515e83d430SRalf Baechle select ISA 3527cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3535e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3547d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3551723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3561da177e4SLinus Torvalds help 3575e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3585e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 359692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3605e83d430SRalf Baechle Olivetti M700-10 workstations. 3615e83d430SRalf Baechle 362de361e8bSPaul Burtonconfig MACH_INGENIC 363de361e8bSPaul Burton bool "Ingenic SoC based machines" 3645ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3655ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 366f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3675ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 36867e38cf2SRalf Baechle select IRQ_MIPS_CPU 36937b4c3caSPaul Cercueil select PINCTRL 370d30a2b47SLinus Walleij select GPIOLIB 371ff1930c6SPaul Burton select COMMON_CLK 37283bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 373ffb1843dSPaul Burton select BUILTIN_DTB 374ffb1843dSPaul Burton select USE_OF 3756ec127fbSPaul Burton select LIBFDT 3765ebabe59SLars-Peter Clausen 377171bb2f1SJohn Crispinconfig LANTIQ 378171bb2f1SJohn Crispin bool "Lantiq based platforms" 379171bb2f1SJohn Crispin select DMA_NONCOHERENT 38067e38cf2SRalf Baechle select IRQ_MIPS_CPU 381171bb2f1SJohn Crispin select CEVT_R4K 382171bb2f1SJohn Crispin select CSRC_R4K 383171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 384171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 385171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 386171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 387377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 388171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 389171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 390d30a2b47SLinus Walleij select GPIOLIB 391171bb2f1SJohn Crispin select SWAP_IO_SPACE 392171bb2f1SJohn Crispin select BOOT_RAW 393287e3f3fSJohn Crispin select CLKDEV_LOOKUP 394a0392222SJohn Crispin select USE_OF 3953f8c50c9SJohn Crispin select PINCTRL 3963f8c50c9SJohn Crispin select PINCTRL_LANTIQ 397c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 398c530781cSJohn Crispin select RESET_CONTROLLER 399171bb2f1SJohn Crispin 4001f21d2bdSBrian Murphyconfig LASAT 4011f21d2bdSBrian Murphy bool "LASAT Networks platforms" 40242f77542SRalf Baechle select CEVT_R4K 40316f0bbbcSRalf Baechle select CRC32 404940f6b48SRalf Baechle select CSRC_R4K 4051f21d2bdSBrian Murphy select DMA_NONCOHERENT 4061f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 4071f21d2bdSBrian Murphy select HW_HAS_PCI 40867e38cf2SRalf Baechle select IRQ_MIPS_CPU 4091f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4101f21d2bdSBrian Murphy select MIPS_NILE4 4111f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4121f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4131f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4141f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4151f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4161f21d2bdSBrian Murphy 41730ad29bbSHuacai Chenconfig MACH_LOONGSON32 41830ad29bbSHuacai Chen bool "Loongson-1 family of machines" 419c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 420ade299d8SYoichi Yuasa help 42130ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 42285749d24SWu Zhangjin 42330ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 42430ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 42530ad29bbSHuacai Chen Sciences (CAS). 426ade299d8SYoichi Yuasa 42730ad29bbSHuacai Chenconfig MACH_LOONGSON64 42830ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 429ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 430ca585cf9SKelvin Cheung help 43130ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 432ca585cf9SKelvin Cheung 43330ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 43430ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 43530ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 43630ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 43730ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 43830ad29bbSHuacai Chen Weiwu Hu. 439ca585cf9SKelvin Cheung 4406a438309SAndrew Brestickerconfig MACH_PISTACHIO 4416a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4426a438309SAndrew Bresticker select BOOT_ELF32 4436a438309SAndrew Bresticker select BOOT_RAW 4446a438309SAndrew Bresticker select CEVT_R4K 4456a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4466a438309SAndrew Bresticker select COMMON_CLK 4476a438309SAndrew Bresticker select CSRC_R4K 448645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 449d30a2b47SLinus Walleij select GPIOLIB 45067e38cf2SRalf Baechle select IRQ_MIPS_CPU 4516a438309SAndrew Bresticker select LIBFDT 4526a438309SAndrew Bresticker select MFD_SYSCON 4536a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4546a438309SAndrew Bresticker select MIPS_GIC 4556a438309SAndrew Bresticker select PINCTRL 4566a438309SAndrew Bresticker select REGULATOR 4576a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4586a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4596a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4606a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4616a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 46241cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4636a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 464018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 465018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4666a438309SAndrew Bresticker select USE_OF 4676a438309SAndrew Bresticker help 4686a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4696a438309SAndrew Bresticker 4709937f5ffSZubair Lutfullah Kakakhelconfig MACH_XILFPGA 4719937f5ffSZubair Lutfullah Kakakhel bool "MIPSfpga Xilinx based boards" 4729937f5ffSZubair Lutfullah Kakakhel select BOOT_ELF32 4739937f5ffSZubair Lutfullah Kakakhel select BOOT_RAW 4749937f5ffSZubair Lutfullah Kakakhel select BUILTIN_DTB 4759937f5ffSZubair Lutfullah Kakakhel select CEVT_R4K 4769937f5ffSZubair Lutfullah Kakakhel select COMMON_CLK 4779937f5ffSZubair Lutfullah Kakakhel select CSRC_R4K 478d30a2b47SLinus Walleij select GPIOLIB 4799937f5ffSZubair Lutfullah Kakakhel select IRQ_MIPS_CPU 4809937f5ffSZubair Lutfullah Kakakhel select LIBFDT 4819937f5ffSZubair Lutfullah Kakakhel select MIPS_CPU_SCACHE 4829937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_EARLY_PRINTK 4839937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_CPU_MIPS32_R2 4849937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_32BIT_KERNEL 4859937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_LITTLE_ENDIAN 4869937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_ZBOOT_UART16550 4879937f5ffSZubair Lutfullah Kakakhel select USE_OF 4889937f5ffSZubair Lutfullah Kakakhel select USE_GENERIC_EARLY_PRINTK_8250 48979a93295SZubair Lutfullah Kakakhel select XILINX_INTC 4909937f5ffSZubair Lutfullah Kakakhel help 4919937f5ffSZubair Lutfullah Kakakhel This enables support for the IMG University Program MIPSfpga platform. 4929937f5ffSZubair Lutfullah Kakakhel 4931da177e4SLinus Torvaldsconfig MIPS_MALTA 4943fa986faSMartin Michlmayr bool "MIPS Malta board" 49561ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 4961da177e4SLinus Torvalds select BOOT_ELF32 497fa71c960SRalf Baechle select BOOT_RAW 498e8823d26SPaul Burton select BUILTIN_DTB 49942f77542SRalf Baechle select CEVT_R4K 500940f6b48SRalf Baechle select CSRC_R4K 501fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50242b002abSGuenter Roeck select COMMON_CLK 503885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5041da177e4SLinus Torvalds select GENERIC_ISA_DMA 5058a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 50667e38cf2SRalf Baechle select IRQ_MIPS_CPU 5078a19b8f1SAndrew Bresticker select MIPS_GIC 5081da177e4SLinus Torvalds select HW_HAS_PCI 509d865bea4SRalf Baechle select I8253 5101da177e4SLinus Torvalds select I8259 5115e83d430SRalf Baechle select MIPS_BONITO64 5129318c51aSChris Dearman select MIPS_CPU_SCACHE 513a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 514252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 5155e83d430SRalf Baechle select MIPS_MSC 516ecafe3e9SPaul Burton select SMP_UP if SMP 5171da177e4SLinus Torvalds select SWAP_IO_SPACE 5187cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5197cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 520bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 521c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 522575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5237cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5245d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 525575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5267cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5277cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 528ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 529ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5305e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 531c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5325e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 533424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 5340365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 535e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 536377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 537f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 5389693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 5391b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 5408c530ea3SMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 541e8823d26SPaul Burton select USE_OF 54238ec82feSPaul Burton select LIBFDT 543abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 544e81a8c7dSPaul Burton select BUILTIN_DTB 545e81a8c7dSPaul Burton select LIBFDT 5461da177e4SLinus Torvalds help 547f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5481da177e4SLinus Torvalds board. 5491da177e4SLinus Torvalds 5502572f00dSJoshua Hendersonconfig MACH_PIC32 5512572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5522572f00dSJoshua Henderson help 5532572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5542572f00dSJoshua Henderson 5552572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5562572f00dSJoshua Henderson microcontrollers. 5572572f00dSJoshua Henderson 558a83860c2SRalf Baechleconfig NEC_MARKEINS 559a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 560a83860c2SRalf Baechle select SOC_EMMA2RH 561a83860c2SRalf Baechle select HW_HAS_PCI 562a83860c2SRalf Baechle help 563a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 564ade299d8SYoichi Yuasa 5655e83d430SRalf Baechleconfig MACH_VR41XX 56674142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 56742f77542SRalf Baechle select CEVT_R4K 568940f6b48SRalf Baechle select CSRC_R4K 5697cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 570377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 571d30a2b47SLinus Walleij select GPIOLIB 5725e83d430SRalf Baechle 573edb6310aSDaniel Lairdconfig NXP_STB220 574edb6310aSDaniel Laird bool "NXP STB220 board" 575edb6310aSDaniel Laird select SOC_PNX833X 576edb6310aSDaniel Laird help 577edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 578edb6310aSDaniel Laird 579edb6310aSDaniel Lairdconfig NXP_STB225 580edb6310aSDaniel Laird bool "NXP 225 board" 581edb6310aSDaniel Laird select SOC_PNX833X 582edb6310aSDaniel Laird select SOC_PNX8335 583edb6310aSDaniel Laird help 584edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 585edb6310aSDaniel Laird 5869267a30dSMarc St-Jeanconfig PMC_MSP 5879267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 58839d30c13SAnoop P A select CEVT_R4K 58939d30c13SAnoop P A select CSRC_R4K 5909267a30dSMarc St-Jean select DMA_NONCOHERENT 5919267a30dSMarc St-Jean select SWAP_IO_SPACE 5929267a30dSMarc St-Jean select NO_EXCEPT_FILL 5939267a30dSMarc St-Jean select BOOT_RAW 5949267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5959267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5969267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5979267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 598377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 59967e38cf2SRalf Baechle select IRQ_MIPS_CPU 6009267a30dSMarc St-Jean select SERIAL_8250 6019267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6029296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6039296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6049267a30dSMarc St-Jean help 6059267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6069267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6079267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6089267a30dSMarc St-Jean a variety of MIPS cores. 6099267a30dSMarc St-Jean 610ae2b5bb6SJohn Crispinconfig RALINK 611ae2b5bb6SJohn Crispin bool "Ralink based machines" 612ae2b5bb6SJohn Crispin select CEVT_R4K 613ae2b5bb6SJohn Crispin select CSRC_R4K 614ae2b5bb6SJohn Crispin select BOOT_RAW 615ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61667e38cf2SRalf Baechle select IRQ_MIPS_CPU 617ae2b5bb6SJohn Crispin select USE_OF 618ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 619ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 620ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 621ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 622377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 623ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 624ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6252a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6262a153f1cSJohn Crispin select RESET_CONTROLLER 627ae2b5bb6SJohn Crispin 6281da177e4SLinus Torvaldsconfig SGI_IP22 6293fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6300e2794b0SRalf Baechle select FW_ARC 6310e2794b0SRalf Baechle select FW_ARC32 6321da177e4SLinus Torvalds select BOOT_ELF32 63342f77542SRalf Baechle select CEVT_R4K 634940f6b48SRalf Baechle select CSRC_R4K 635e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6361da177e4SLinus Torvalds select DMA_NONCOHERENT 6375e83d430SRalf Baechle select HW_HAS_EISA 638d865bea4SRalf Baechle select I8253 63968de4803SThomas Bogendoerfer select I8259 6401da177e4SLinus Torvalds select IP22_CPU_SCACHE 64167e38cf2SRalf Baechle select IRQ_MIPS_CPU 642aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 643e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 644e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 64536e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 646e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 647e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 648e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6491da177e4SLinus Torvalds select SWAP_IO_SPACE 6507cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6517cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6522b5e63f6SMartin Michlmayr # 6532b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6542b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6552b5e63f6SMartin Michlmayr # 6562b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6572b5e63f6SMartin Michlmayr # for a more details discussion 6582b5e63f6SMartin Michlmayr # 6592b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 660ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 661ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6625e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 663930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6641da177e4SLinus Torvalds help 6651da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6661da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6671da177e4SLinus Torvalds that runs on these, say Y here. 6681da177e4SLinus Torvalds 6691da177e4SLinus Torvaldsconfig SGI_IP27 6703fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6710e2794b0SRalf Baechle select FW_ARC 6720e2794b0SRalf Baechle select FW_ARC64 6735e83d430SRalf Baechle select BOOT_ELF64 674e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 675634286f1SRalf Baechle select DMA_COHERENT 67636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6771da177e4SLinus Torvalds select HW_HAS_PCI 678130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6797cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 680ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6815e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 682d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6831a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 684930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6851da177e4SLinus Torvalds help 6861da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6871da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6881da177e4SLinus Torvalds here. 6891da177e4SLinus Torvalds 690e2defae5SThomas Bogendoerferconfig SGI_IP28 6917d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6920e2794b0SRalf Baechle select FW_ARC 6930e2794b0SRalf Baechle select FW_ARC64 694e2defae5SThomas Bogendoerfer select BOOT_ELF64 695e2defae5SThomas Bogendoerfer select CEVT_R4K 696e2defae5SThomas Bogendoerfer select CSRC_R4K 697e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 698e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 699e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 70067e38cf2SRalf Baechle select IRQ_MIPS_CPU 701e2defae5SThomas Bogendoerfer select HW_HAS_EISA 702e2defae5SThomas Bogendoerfer select I8253 703e2defae5SThomas Bogendoerfer select I8259 704e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 705e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7065b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 707e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 708e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 709e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 710e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 711e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7122b5e63f6SMartin Michlmayr # 7132b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7142b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7152b5e63f6SMartin Michlmayr # 7162b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7172b5e63f6SMartin Michlmayr # for a more details discussion 7182b5e63f6SMartin Michlmayr # 7192b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 720e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 721e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 722dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 723e2defae5SThomas Bogendoerfer help 724e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 725e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 726e2defae5SThomas Bogendoerfer 7271da177e4SLinus Torvaldsconfig SGI_IP32 728cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 7290e2794b0SRalf Baechle select FW_ARC 7300e2794b0SRalf Baechle select FW_ARC32 7311da177e4SLinus Torvalds select BOOT_ELF32 73242f77542SRalf Baechle select CEVT_R4K 733940f6b48SRalf Baechle select CSRC_R4K 7341da177e4SLinus Torvalds select DMA_NONCOHERENT 7351da177e4SLinus Torvalds select HW_HAS_PCI 73667e38cf2SRalf Baechle select IRQ_MIPS_CPU 7371da177e4SLinus Torvalds select R5000_CPU_SCACHE 7381da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7397cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7407cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7417cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 742dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 743ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7445e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7451da177e4SLinus Torvalds help 7461da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7471da177e4SLinus Torvalds 748ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 749ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 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 758ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 759ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7605e83d430SRalf Baechle select BOOT_ELF32 7615e83d430SRalf Baechle select DMA_COHERENT 7625e83d430SRalf Baechle select SIBYTE_BCM1120 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_LITTLE_ENDIAN 7675e83d430SRalf Baechle 7685e83d430SRalf Baechleconfig SIBYTE_CRHONE 7693fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7705e83d430SRalf Baechle select BOOT_ELF32 7715e83d430SRalf Baechle select DMA_COHERENT 7725e83d430SRalf Baechle select SIBYTE_BCM1125 7735e83d430SRalf Baechle select SWAP_IO_SPACE 7747cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7755e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7765e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7775e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7785e83d430SRalf Baechle 779ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 780ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 781ade299d8SYoichi Yuasa select BOOT_ELF32 782ade299d8SYoichi Yuasa select DMA_COHERENT 783ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 784ade299d8SYoichi Yuasa select SWAP_IO_SPACE 785ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 786ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 787ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 788ade299d8SYoichi Yuasa 789ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 790ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 791ade299d8SYoichi Yuasa select BOOT_ELF32 792ade299d8SYoichi Yuasa select DMA_COHERENT 793fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 794ade299d8SYoichi Yuasa select SIBYTE_SB1250 795ade299d8SYoichi Yuasa select SWAP_IO_SPACE 796ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 797ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 798ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 799ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 800cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 801ade299d8SYoichi Yuasa 802ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 803ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 804ade299d8SYoichi Yuasa select BOOT_ELF32 805ade299d8SYoichi Yuasa select DMA_COHERENT 806fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 807ade299d8SYoichi Yuasa select SIBYTE_SB1250 808ade299d8SYoichi Yuasa select SWAP_IO_SPACE 809ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 810ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 811ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 812ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 813ade299d8SYoichi Yuasa 814ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 815ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 816ade299d8SYoichi Yuasa select BOOT_ELF32 817ade299d8SYoichi Yuasa select DMA_COHERENT 818ade299d8SYoichi Yuasa select SIBYTE_SB1250 819ade299d8SYoichi Yuasa select SWAP_IO_SPACE 820ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 821ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 822ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 823ade299d8SYoichi Yuasa 824ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 825ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 826ade299d8SYoichi Yuasa select BOOT_ELF32 827ade299d8SYoichi Yuasa select DMA_COHERENT 828ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 829ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 830ade299d8SYoichi Yuasa select SWAP_IO_SPACE 831ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 832ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 833651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 834ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 835cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 836ade299d8SYoichi Yuasa 83714b36af4SThomas Bogendoerferconfig SNI_RM 83814b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8390e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8400e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 841aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8425e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 8435e83d430SRalf Baechle select BOOT_ELF32 84442f77542SRalf Baechle select CEVT_R4K 845940f6b48SRalf Baechle select CSRC_R4K 846e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8475e83d430SRalf Baechle select DMA_NONCOHERENT 8485e83d430SRalf Baechle select GENERIC_ISA_DMA 8498a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8505e83d430SRalf Baechle select HW_HAS_EISA 8515e83d430SRalf Baechle select HW_HAS_PCI 85267e38cf2SRalf Baechle select IRQ_MIPS_CPU 853d865bea4SRalf Baechle select I8253 8545e83d430SRalf Baechle select I8259 8555e83d430SRalf Baechle select ISA 8564a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8577cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8584a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 859c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8604a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 86136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 862ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8637d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8644a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8655e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8665e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8671da177e4SLinus Torvalds help 86814b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 86914b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8705e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8715e83d430SRalf Baechle support this machine type. 8721da177e4SLinus Torvalds 873edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 874edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8755e83d430SRalf Baechle 876edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 877edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 87823fbee9dSRalf Baechle 87973b4390fSRalf Baechleconfig MIKROTIK_RB532 88073b4390fSRalf Baechle bool "Mikrotik RB532 boards" 88173b4390fSRalf Baechle select CEVT_R4K 88273b4390fSRalf Baechle select CSRC_R4K 88373b4390fSRalf Baechle select DMA_NONCOHERENT 88473b4390fSRalf Baechle select HW_HAS_PCI 88567e38cf2SRalf Baechle select IRQ_MIPS_CPU 88673b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 88773b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 88873b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 88973b4390fSRalf Baechle select SWAP_IO_SPACE 89073b4390fSRalf Baechle select BOOT_RAW 891d30a2b47SLinus Walleij select GPIOLIB 892930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 89373b4390fSRalf Baechle help 89473b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 89573b4390fSRalf Baechle based on the IDT RC32434 SoC. 89673b4390fSRalf Baechle 8979ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8989ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 899a86c7f72SDavid Daney select CEVT_R4K 90034adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 901a86c7f72SDavid Daney select DMA_COHERENT 902a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 903a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 904f65aad41SRalf Baechle select EDAC_SUPPORT 905b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 90673569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 90773569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 908a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9095e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 910e8635b48SDavid Daney select HW_HAS_PCI 911f00e001eSDavid Daney select ZONE_DMA32 912465aaed0SDavid Daney select HOLES_IN_ZONE 913d30a2b47SLinus Walleij select GPIOLIB 9146e511163SDavid Daney select LIBFDT 9156e511163SDavid Daney select USE_OF 9166e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9176e511163SDavid Daney select SYS_SUPPORTS_SMP 9186e511163SDavid Daney select NR_CPUS_DEFAULT_16 919e326479fSAndrew Bresticker select BUILTIN_DTB 9208c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 9213ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 922a86c7f72SDavid Daney help 923a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 924a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 925a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 926a86c7f72SDavid Daney Some of the supported boards are: 927a86c7f72SDavid Daney EBT3000 928a86c7f72SDavid Daney EBH3000 929a86c7f72SDavid Daney EBH3100 930a86c7f72SDavid Daney Thunder 931a86c7f72SDavid Daney Kodama 932a86c7f72SDavid Daney Hikari 933a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 934a86c7f72SDavid Daney 9357f058e85SJayachandran Cconfig NLM_XLR_BOARD 9367f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9377f058e85SJayachandran C select BOOT_ELF32 9387f058e85SJayachandran C select NLM_COMMON 9397f058e85SJayachandran C select SYS_HAS_CPU_XLR 9407f058e85SJayachandran C select SYS_SUPPORTS_SMP 9417f058e85SJayachandran C select HW_HAS_PCI 9427f058e85SJayachandran C select SWAP_IO_SPACE 9437f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9447f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 94534adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 9467f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9477f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9487f058e85SJayachandran C select DMA_COHERENT 9497f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9507f058e85SJayachandran C select CEVT_R4K 9517f058e85SJayachandran C select CSRC_R4K 95267e38cf2SRalf Baechle select IRQ_MIPS_CPU 953b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9547f058e85SJayachandran C select SYNC_R4K 9557f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9568f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9578f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9587f058e85SJayachandran C help 9597f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9607f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9617f058e85SJayachandran C 9621c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9631c773ea4SJayachandran C bool "Netlogic XLP based systems" 9641c773ea4SJayachandran C select BOOT_ELF32 9651c773ea4SJayachandran C select NLM_COMMON 9661c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9671c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9681c773ea4SJayachandran C select HW_HAS_PCI 9691c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9701c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 97134adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 972d30a2b47SLinus Walleij select GPIOLIB 9731c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9741c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9751c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9761c773ea4SJayachandran C select DMA_COHERENT 9771c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9781c773ea4SJayachandran C select CEVT_R4K 9791c773ea4SJayachandran C select CSRC_R4K 98067e38cf2SRalf Baechle select IRQ_MIPS_CPU 981b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9821c773ea4SJayachandran C select SYNC_R4K 9831c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9842f6528e1SJayachandran C select USE_OF 9858f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9868f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9871c773ea4SJayachandran C help 9881c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9891c773ea4SJayachandran C Say Y here if you have a XLP based board. 9901c773ea4SJayachandran C 9919bc463beSDavid Daneyconfig MIPS_PARAVIRT 9929bc463beSDavid Daney bool "Para-Virtualized guest system" 9939bc463beSDavid Daney select CEVT_R4K 9949bc463beSDavid Daney select CSRC_R4K 9959bc463beSDavid Daney select DMA_COHERENT 9969bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9979bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9989bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9999bc463beSDavid Daney select SYS_SUPPORTS_SMP 10009bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10019bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10029bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10039bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10049bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 10059bc463beSDavid Daney select HW_HAS_PCI 10069bc463beSDavid Daney select SWAP_IO_SPACE 10079bc463beSDavid Daney help 10089bc463beSDavid Daney This option supports guest running under ???? 10099bc463beSDavid Daney 10101da177e4SLinus Torvaldsendchoice 10111da177e4SLinus Torvalds 1012e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10133b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1014d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1015a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1016e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10178945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1018eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10195e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10205ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10218ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10221f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10232572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1024af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10250f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1026ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 102729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 102838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 102922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10305e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1031a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 103230ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 103330ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10347f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1035ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 10369937f5ffSZubair Lutfullah Kakakhelsource "arch/mips/xilfpga/Kconfig" 103738b18f72SRalf Baechle 10385e83d430SRalf Baechleendmenu 10395e83d430SRalf Baechle 10401da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10411da177e4SLinus Torvalds bool 10421da177e4SLinus Torvalds default y 10431da177e4SLinus Torvalds 10441da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10451da177e4SLinus Torvalds bool 10461da177e4SLinus Torvalds 10473c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10483c9ee7efSAkinobu Mita bool 10493c9ee7efSAkinobu Mita default y 10503c9ee7efSAkinobu Mita 10511da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10521da177e4SLinus Torvalds bool 10531da177e4SLinus Torvalds default y 10541da177e4SLinus Torvalds 1055ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10561cc89038SAtsushi Nemoto bool 10571cc89038SAtsushi Nemoto default y 10581cc89038SAtsushi Nemoto 10591da177e4SLinus Torvalds# 10601da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10611da177e4SLinus Torvalds# 10620e2794b0SRalf Baechleconfig FW_ARC 10631da177e4SLinus Torvalds bool 10641da177e4SLinus Torvalds 106561ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106661ed242dSRalf Baechle bool 106761ed242dSRalf Baechle 10689267a30dSMarc St-Jeanconfig BOOT_RAW 10699267a30dSMarc St-Jean bool 10709267a30dSMarc St-Jean 1071217dd11eSRalf Baechleconfig CEVT_BCM1480 1072217dd11eSRalf Baechle bool 1073217dd11eSRalf Baechle 10746457d9fcSYoichi Yuasaconfig CEVT_DS1287 10756457d9fcSYoichi Yuasa bool 10766457d9fcSYoichi Yuasa 10771097c6acSYoichi Yuasaconfig CEVT_GT641XX 10781097c6acSYoichi Yuasa bool 10791097c6acSYoichi Yuasa 108042f77542SRalf Baechleconfig CEVT_R4K 108142f77542SRalf Baechle bool 108242f77542SRalf Baechle 1083217dd11eSRalf Baechleconfig CEVT_SB1250 1084217dd11eSRalf Baechle bool 1085217dd11eSRalf Baechle 1086229f773eSAtsushi Nemotoconfig CEVT_TXX9 1087229f773eSAtsushi Nemoto bool 1088229f773eSAtsushi Nemoto 1089217dd11eSRalf Baechleconfig CSRC_BCM1480 1090217dd11eSRalf Baechle bool 1091217dd11eSRalf Baechle 10924247417dSYoichi Yuasaconfig CSRC_IOASIC 10934247417dSYoichi Yuasa bool 10944247417dSYoichi Yuasa 1095940f6b48SRalf Baechleconfig CSRC_R4K 1096940f6b48SRalf Baechle bool 1097940f6b48SRalf Baechle 1098217dd11eSRalf Baechleconfig CSRC_SB1250 1099217dd11eSRalf Baechle bool 1100217dd11eSRalf Baechle 1101a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1102a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1103a7f4df4eSAlex Smith 1104a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1105d30a2b47SLinus Walleij select GPIOLIB 1106a9aec7feSAtsushi Nemoto bool 1107a9aec7feSAtsushi Nemoto 11080e2794b0SRalf Baechleconfig FW_CFE 1109df78b5c8SAurelien Jarno bool 1110df78b5c8SAurelien Jarno 11114bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 111234adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 11134bafad92SFUJITA Tomonori 111440e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 111540e084a5SRalf Baechle bool 111640e084a5SRalf Baechle 1117885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1118885014bcSFelix Fietkau select DMA_NONCOHERENT 1119885014bcSFelix Fietkau bool 1120885014bcSFelix Fietkau 112120d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 112220d33064SPaul Burton bool 112320d33064SPaul Burton select DMA_MAYBE_COHERENT 112420d33064SPaul Burton 11251da177e4SLinus Torvaldsconfig DMA_COHERENT 11261da177e4SLinus Torvalds bool 11271da177e4SLinus Torvalds 11281da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11291da177e4SLinus Torvalds bool 1130e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 11314ce588cdSRalf Baechle 1132e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 11334ce588cdSRalf Baechle bool 11341da177e4SLinus Torvalds 113536a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11361da177e4SLinus Torvalds bool 11371da177e4SLinus Torvalds 11381b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1139dbb74540SRalf Baechle bool 1140dbb74540SRalf Baechle 11411da177e4SLinus Torvaldsconfig MIPS_BONITO64 11421da177e4SLinus Torvalds bool 11431da177e4SLinus Torvalds 11441da177e4SLinus Torvaldsconfig MIPS_MSC 11451da177e4SLinus Torvalds bool 11461da177e4SLinus Torvalds 11471f21d2bdSBrian Murphyconfig MIPS_NILE4 11481f21d2bdSBrian Murphy bool 11491f21d2bdSBrian Murphy 115039b8d525SRalf Baechleconfig SYNC_R4K 115139b8d525SRalf Baechle bool 115239b8d525SRalf Baechle 1153487d70d0SGabor Juhosconfig MIPS_MACHINE 1154487d70d0SGabor Juhos def_bool n 1155487d70d0SGabor Juhos 1156ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1157d388d685SMaciej W. Rozycki def_bool n 1158d388d685SMaciej W. Rozycki 11594e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11604e0748f5SMarkos Chandras bool 11614e0748f5SMarkos Chandras 11628313da30SRalf Baechleconfig GENERIC_ISA_DMA 11638313da30SRalf Baechle bool 11648313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1165a35bee8aSNamhyung Kim select ISA_DMA_API 11668313da30SRalf Baechle 1167aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1168aa414dffSRalf Baechle bool 11698313da30SRalf Baechle select GENERIC_ISA_DMA 1170aa414dffSRalf Baechle 1171a35bee8aSNamhyung Kimconfig ISA_DMA_API 1172a35bee8aSNamhyung Kim bool 1173a35bee8aSNamhyung Kim 1174465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1175465aaed0SDavid Daney bool 1176465aaed0SDavid Daney 11778c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11788c530ea3SMatt Redfearn bool 11798c530ea3SMatt Redfearn help 11808c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11818c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11828c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11838c530ea3SMatt Redfearn 1184f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1185f381bf6dSDavid Daney def_bool y 1186f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1187f381bf6dSDavid Daney 1188f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1189f381bf6dSDavid Daney def_bool y 1190f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1191f381bf6dSDavid Daney 1192f381bf6dSDavid Daney 11935e83d430SRalf Baechle# 11946b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11955e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11965e83d430SRalf Baechle# choice statement should be more obvious to the user. 11975e83d430SRalf Baechle# 11985e83d430SRalf Baechlechoice 11996b2aac42SMasanari Iida prompt "Endianness selection" 12001da177e4SLinus Torvalds help 12011da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12025e83d430SRalf Baechle byte order. These modes require different kernels and a different 12033cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12045e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12053dde6ad8SDavid Sterba one or the other endianness. 12065e83d430SRalf Baechle 12075e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12085e83d430SRalf Baechle bool "Big endian" 12095e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12105e83d430SRalf Baechle 12115e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12125e83d430SRalf Baechle bool "Little endian" 12135e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12145e83d430SRalf Baechle 12155e83d430SRalf Baechleendchoice 12165e83d430SRalf Baechle 121722b0763aSDavid Daneyconfig EXPORT_UASM 121822b0763aSDavid Daney bool 121922b0763aSDavid Daney 12202116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12212116245eSRalf Baechle bool 12222116245eSRalf Baechle 12235e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12245e83d430SRalf Baechle bool 12255e83d430SRalf Baechle 12265e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12275e83d430SRalf Baechle bool 12281da177e4SLinus Torvalds 12299cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12309cffd154SDavid Daney bool 12319cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12329cffd154SDavid Daney default y 12339cffd154SDavid Daney 1234aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1235aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1236aa1762f4SDavid Daney 12371da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12381da177e4SLinus Torvalds bool 12391da177e4SLinus Torvalds 12409267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12419267a30dSMarc St-Jean bool 12429267a30dSMarc St-Jean 12439267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12449267a30dSMarc St-Jean bool 12459267a30dSMarc St-Jean 12468420fd00SAtsushi Nemotoconfig IRQ_TXX9 12478420fd00SAtsushi Nemoto bool 12488420fd00SAtsushi Nemoto 1249d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1250d5ab1a69SYoichi Yuasa bool 1251d5ab1a69SYoichi Yuasa 1252252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12531da177e4SLinus Torvalds bool 12541da177e4SLinus Torvalds 12559267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12569267a30dSMarc St-Jean bool 12579267a30dSMarc St-Jean 1258a83860c2SRalf Baechleconfig SOC_EMMA2RH 1259a83860c2SRalf Baechle bool 1260a83860c2SRalf Baechle select CEVT_R4K 1261a83860c2SRalf Baechle select CSRC_R4K 1262a83860c2SRalf Baechle select DMA_NONCOHERENT 126367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1264a83860c2SRalf Baechle select SWAP_IO_SPACE 1265a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1266a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1267a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1268a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1269a83860c2SRalf Baechle 1270edb6310aSDaniel Lairdconfig SOC_PNX833X 1271edb6310aSDaniel Laird bool 1272edb6310aSDaniel Laird select CEVT_R4K 1273edb6310aSDaniel Laird select CSRC_R4K 127467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1275edb6310aSDaniel Laird select DMA_NONCOHERENT 1276edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1277edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1278edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1279edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1280377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1281edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1282edb6310aSDaniel Laird 1283edb6310aSDaniel Lairdconfig SOC_PNX8335 1284edb6310aSDaniel Laird bool 1285edb6310aSDaniel Laird select SOC_PNX833X 1286edb6310aSDaniel Laird 1287a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1288a7e07b1aSMarkos Chandras bool 1289a7e07b1aSMarkos Chandras 12901da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12911da177e4SLinus Torvalds bool 12921da177e4SLinus Torvalds 1293e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1294e2defae5SThomas Bogendoerfer bool 1295e2defae5SThomas Bogendoerfer 12965b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12975b438c44SThomas Bogendoerfer bool 12985b438c44SThomas Bogendoerfer 1299e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1300e2defae5SThomas Bogendoerfer bool 1301e2defae5SThomas Bogendoerfer 1302e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1303e2defae5SThomas Bogendoerfer bool 1304e2defae5SThomas Bogendoerfer 1305e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1306e2defae5SThomas Bogendoerfer bool 1307e2defae5SThomas Bogendoerfer 1308e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1309e2defae5SThomas Bogendoerfer bool 1310e2defae5SThomas Bogendoerfer 1311e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1312e2defae5SThomas Bogendoerfer bool 1313e2defae5SThomas Bogendoerfer 13140e2794b0SRalf Baechleconfig FW_ARC32 13155e83d430SRalf Baechle bool 13165e83d430SRalf Baechle 1317aaa9fad3SPaul Bolleconfig FW_SNIPROM 1318231a35d3SThomas Bogendoerfer bool 1319231a35d3SThomas Bogendoerfer 13201da177e4SLinus Torvaldsconfig BOOT_ELF32 13211da177e4SLinus Torvalds bool 13221da177e4SLinus Torvalds 1323930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1324930beb5aSFlorian Fainelli bool 1325930beb5aSFlorian Fainelli 1326930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1327930beb5aSFlorian Fainelli bool 1328930beb5aSFlorian Fainelli 1329930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1330930beb5aSFlorian Fainelli bool 1331930beb5aSFlorian Fainelli 1332930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1333930beb5aSFlorian Fainelli bool 1334930beb5aSFlorian Fainelli 13351da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13361da177e4SLinus Torvalds int 1337a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13385432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13395432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13405432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13411da177e4SLinus Torvalds default "5" 13421da177e4SLinus Torvalds 13431da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13441da177e4SLinus Torvalds bool 13451da177e4SLinus Torvalds 13461da177e4SLinus Torvaldsconfig ARC_CONSOLE 13471da177e4SLinus Torvalds bool "ARC console support" 1348e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13491da177e4SLinus Torvalds 13501da177e4SLinus Torvaldsconfig ARC_MEMORY 13511da177e4SLinus Torvalds bool 135214b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13531da177e4SLinus Torvalds default y 13541da177e4SLinus Torvalds 13551da177e4SLinus Torvaldsconfig ARC_PROMLIB 13561da177e4SLinus Torvalds bool 1357e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13581da177e4SLinus Torvalds default y 13591da177e4SLinus Torvalds 13600e2794b0SRalf Baechleconfig FW_ARC64 13611da177e4SLinus Torvalds bool 13621da177e4SLinus Torvalds 13631da177e4SLinus Torvaldsconfig BOOT_ELF64 13641da177e4SLinus Torvalds bool 13651da177e4SLinus Torvalds 13661da177e4SLinus Torvaldsmenu "CPU selection" 13671da177e4SLinus Torvalds 13681da177e4SLinus Torvaldschoice 13691da177e4SLinus Torvalds prompt "CPU type" 13701da177e4SLinus Torvalds default CPU_R4X00 13711da177e4SLinus Torvalds 13720e476d91SHuacai Chenconfig CPU_LOONGSON3 13730e476d91SHuacai Chen bool "Loongson 3 CPU" 13740e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 13750e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13760e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13770e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13780e476d91SHuacai Chen select WEAK_ORDERING 13790e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1380b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 138117c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1382d30a2b47SLinus Walleij select GPIOLIB 13830e476d91SHuacai Chen help 13840e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13850e476d91SHuacai Chen set with many extensions. 13860e476d91SHuacai Chen 13871e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13881e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13891e820da3SHuacai Chen default n 13901e820da3SHuacai Chen select CPU_MIPSR2 13911e820da3SHuacai Chen select CPU_HAS_PREFETCH 13921e820da3SHuacai Chen depends on CPU_LOONGSON3 13931e820da3SHuacai Chen help 13941e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13951e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13961e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 13971e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13981e820da3SHuacai Chen Fast TLB refill support, etc. 13991e820da3SHuacai Chen 14001e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14011e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14021e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 14031e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 14041e820da3SHuacai Chen 14053702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14063702bba5SWu Zhangjin bool "Loongson 2E" 14073702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14083702bba5SWu Zhangjin select CPU_LOONGSON2 14092a21c730SFuxin Zhang help 14102a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14112a21c730SFuxin Zhang with many extensions. 14122a21c730SFuxin Zhang 141325985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14146f7a251aSWu Zhangjin bonito64. 14156f7a251aSWu Zhangjin 14166f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14176f7a251aSWu Zhangjin bool "Loongson 2F" 14186f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14196f7a251aSWu Zhangjin select CPU_LOONGSON2 1420d30a2b47SLinus Walleij select GPIOLIB 14216f7a251aSWu Zhangjin help 14226f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14236f7a251aSWu Zhangjin with many extensions. 14246f7a251aSWu Zhangjin 14256f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14266f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14276f7a251aSWu Zhangjin Loongson2E. 14286f7a251aSWu Zhangjin 1429ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1430ca585cf9SKelvin Cheung bool "Loongson 1B" 1431ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1432ca585cf9SKelvin Cheung select CPU_LOONGSON1 14339ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1434ca585cf9SKelvin Cheung help 1435ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1436ca585cf9SKelvin Cheung release 2 instruction set. 1437ca585cf9SKelvin Cheung 143812e3280bSYang Lingconfig CPU_LOONGSON1C 143912e3280bSYang Ling bool "Loongson 1C" 144012e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 144112e3280bSYang Ling select CPU_LOONGSON1 144212e3280bSYang Ling select LEDS_GPIO_REGISTER 144312e3280bSYang Ling help 144412e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 144512e3280bSYang Ling release 2 instruction set. 144612e3280bSYang Ling 14476e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14486e760c8dSRalf Baechle bool "MIPS32 Release 1" 14497cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14506e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1451797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1452ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14536e760c8dSRalf Baechle help 14545e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14551e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14561e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14571e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14581e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14591e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14601e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14611e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14621e5f1caaSRalf Baechle performance. 14631e5f1caaSRalf Baechle 14641e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14651e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14667cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14671e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1468797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1469ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1470a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14712235a54dSSanjay Lal select HAVE_KVM 14721e5f1caaSRalf Baechle help 14735e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14746e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14756e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14766e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14776e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14781da177e4SLinus Torvalds 14797fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1480674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14817fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14827fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14837fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14847fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14857fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14864e0748f5SMarkos Chandras select GENERIC_CSUM 14877fd08ca5SLeonid Yegoshin select HAVE_KVM 14887fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14897fd08ca5SLeonid Yegoshin help 14907fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14917fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14927fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14937fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14947fd08ca5SLeonid Yegoshin 14956e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14966e760c8dSRalf Baechle bool "MIPS64 Release 1" 14977cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1498797798c1SRalf Baechle select CPU_HAS_PREFETCH 1499ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1500ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1501ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15029cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15036e760c8dSRalf Baechle help 15046e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15056e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15066e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15076e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15086e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15091e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15101e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15111e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15121e5f1caaSRalf Baechle performance. 15131e5f1caaSRalf Baechle 15141e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15151e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15167cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1517797798c1SRalf Baechle select CPU_HAS_PREFETCH 15181e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15191e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1520ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15219cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1522a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 152340a2df49SJames Hogan select HAVE_KVM 15241e5f1caaSRalf Baechle help 15251e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15261e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15271e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15281e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15291e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15301da177e4SLinus Torvalds 15317fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1532674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15337fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15347fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15357fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15367fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15377fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15387fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15394e0748f5SMarkos Chandras select GENERIC_CSUM 15402e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 154140a2df49SJames Hogan select HAVE_KVM 15427fd08ca5SLeonid Yegoshin help 15437fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15447fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15457fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15467fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15477fd08ca5SLeonid Yegoshin 15481da177e4SLinus Torvaldsconfig CPU_R3000 15491da177e4SLinus Torvalds bool "R3000" 15507cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1551f7062ddbSRalf Baechle select CPU_HAS_WB 1552ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1553797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15541da177e4SLinus Torvalds help 15551da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15561da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15571da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15581da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15591da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15601da177e4SLinus Torvalds try to recompile with R3000. 15611da177e4SLinus Torvalds 15621da177e4SLinus Torvaldsconfig CPU_TX39XX 15631da177e4SLinus Torvalds bool "R39XX" 15647cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1565ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15661da177e4SLinus Torvalds 15671da177e4SLinus Torvaldsconfig CPU_VR41XX 15681da177e4SLinus Torvalds bool "R41xx" 15697cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1570ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1571ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15721da177e4SLinus Torvalds help 15735e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15741da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15751da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15761da177e4SLinus Torvalds processor or vice versa. 15771da177e4SLinus Torvalds 15781da177e4SLinus Torvaldsconfig CPU_R4300 15791da177e4SLinus Torvalds bool "R4300" 15807cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1581ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1582ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15831da177e4SLinus Torvalds help 15841da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15851da177e4SLinus Torvalds 15861da177e4SLinus Torvaldsconfig CPU_R4X00 15871da177e4SLinus Torvalds bool "R4x00" 15887cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1589ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1590ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1591970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15921da177e4SLinus Torvalds help 15931da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15941da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15951da177e4SLinus Torvalds 15961da177e4SLinus Torvaldsconfig CPU_TX49XX 15971da177e4SLinus Torvalds bool "R49XX" 15987cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1599de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1600ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1601ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1602970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16031da177e4SLinus Torvalds 16041da177e4SLinus Torvaldsconfig CPU_R5000 16051da177e4SLinus Torvalds bool "R5000" 16067cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1607ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1608ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1609970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16101da177e4SLinus Torvalds help 16111da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16121da177e4SLinus Torvalds 16131da177e4SLinus Torvaldsconfig CPU_R5432 16141da177e4SLinus Torvalds bool "R5432" 16157cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 16165e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16175e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1618970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16191da177e4SLinus Torvalds 1620542c1020SShinya Kuribayashiconfig CPU_R5500 1621542c1020SShinya Kuribayashi bool "R5500" 1622542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1623542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1624542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16259cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1626542c1020SShinya Kuribayashi help 1627542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1628542c1020SShinya Kuribayashi instruction set. 1629542c1020SShinya Kuribayashi 16301da177e4SLinus Torvaldsconfig CPU_NEVADA 16311da177e4SLinus Torvalds bool "RM52xx" 16327cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1633ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1634ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1635970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16361da177e4SLinus Torvalds help 16371da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16381da177e4SLinus Torvalds 16391da177e4SLinus Torvaldsconfig CPU_R8000 16401da177e4SLinus Torvalds bool "R8000" 16417cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 16425e83d430SRalf Baechle select CPU_HAS_PREFETCH 1643ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16441da177e4SLinus Torvalds help 16451da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 16461da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16471da177e4SLinus Torvalds 16481da177e4SLinus Torvaldsconfig CPU_R10000 16491da177e4SLinus Torvalds bool "R10000" 16507cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16515e83d430SRalf Baechle select CPU_HAS_PREFETCH 1652ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1653ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1654797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1655970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16561da177e4SLinus Torvalds help 16571da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16581da177e4SLinus Torvalds 16591da177e4SLinus Torvaldsconfig CPU_RM7000 16601da177e4SLinus Torvalds bool "RM7000" 16617cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16625e83d430SRalf Baechle select CPU_HAS_PREFETCH 1663ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1664ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1665797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1666970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16671da177e4SLinus Torvalds 16681da177e4SLinus Torvaldsconfig CPU_SB1 16691da177e4SLinus Torvalds bool "SB1" 16707cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1671ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1672ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1673797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1674970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16750004a9dfSRalf Baechle select WEAK_ORDERING 16761da177e4SLinus Torvalds 1677a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1678a86c7f72SDavid Daney bool "Cavium Octeon processor" 16795e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1680a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1681a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1682a86c7f72SDavid Daney select WEAK_ORDERING 1683a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16849cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1685df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1686df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1687930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 16880ae3abcdSJames Hogan select HAVE_KVM 1689a86c7f72SDavid Daney help 1690a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1691a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1692a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1693a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1694a86c7f72SDavid Daney 1695cd746249SJonas Gorskiconfig CPU_BMIPS 1696cd746249SJonas Gorski bool "Broadcom BMIPS" 1697cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1698cd746249SJonas Gorski select CPU_MIPS32 1699fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1700cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1701cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1702cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1703cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1704cd746249SJonas Gorski select DMA_NONCOHERENT 170567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1706cd746249SJonas Gorski select SWAP_IO_SPACE 1707cd746249SJonas Gorski select WEAK_ORDERING 1708c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 170969aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1710a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1711a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1712c1c0c461SKevin Cernekee help 1713fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1714c1c0c461SKevin Cernekee 17157f058e85SJayachandran Cconfig CPU_XLR 17167f058e85SJayachandran C bool "Netlogic XLR SoC" 17177f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 17187f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17197f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17207f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1721970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17227f058e85SJayachandran C select WEAK_ORDERING 17237f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17247f058e85SJayachandran C help 17257f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17261c773ea4SJayachandran C 17271c773ea4SJayachandran Cconfig CPU_XLP 17281c773ea4SJayachandran C bool "Netlogic XLP SoC" 17291c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17301c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17311c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17321c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17331c773ea4SJayachandran C select WEAK_ORDERING 17341c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17351c773ea4SJayachandran C select CPU_HAS_PREFETCH 1736d6504846SJayachandran C select CPU_MIPSR2 1737ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17382db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17391c773ea4SJayachandran C help 17401c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17411da177e4SLinus Torvaldsendchoice 17421da177e4SLinus Torvalds 1743a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1744a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1745a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17467fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1747a6e18781SLeonid Yegoshin help 1748a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1749a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1750a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1751a6e18781SLeonid Yegoshin 1752a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1753a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1754a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1755a6e18781SLeonid Yegoshin select EVA 1756a6e18781SLeonid Yegoshin default y 1757a6e18781SLeonid Yegoshin help 1758a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1759a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1760a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1761a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1762a6e18781SLeonid Yegoshin 1763c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1764c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1765c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1766c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1767c5b36783SSteven J. Hill help 1768c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1769c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1770c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1771c5b36783SSteven J. Hill 1772c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1773c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1774c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1775c5b36783SSteven J. Hill depends on !EVA 1776c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1777c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1778c5b36783SSteven J. Hill select XPA 1779c5b36783SSteven J. Hill select HIGHMEM 1780c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1781c5b36783SSteven J. Hill default n 1782c5b36783SSteven J. Hill help 1783c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1784c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1785c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1786c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1787c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1788c5b36783SSteven J. Hill If unsure, say 'N' here. 1789c5b36783SSteven J. Hill 1790622844bfSWu Zhangjinif CPU_LOONGSON2F 1791622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1792622844bfSWu Zhangjin bool 1793622844bfSWu Zhangjin 1794622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1795622844bfSWu Zhangjin bool 1796622844bfSWu Zhangjin 1797622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1798622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1799622844bfSWu Zhangjin default y 1800622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1801622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1802622844bfSWu Zhangjin help 1803622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1804622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1805622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1806622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1807622844bfSWu Zhangjin 1808622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1809622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1810622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1811622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1812622844bfSWu Zhangjin systems. 1813622844bfSWu Zhangjin 1814622844bfSWu Zhangjin If unsure, please say Y. 1815622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1816622844bfSWu Zhangjin 18171b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18181b93b3c3SWu Zhangjin bool 18191b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18201b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 182131c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18221b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1823fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18244e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18251b93b3c3SWu Zhangjin 18261b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18271b93b3c3SWu Zhangjin bool 18281b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18291b93b3c3SWu Zhangjin 1830dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1831dbb98314SAlban Bedel bool 1832dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1833dbb98314SAlban Bedel 18343702bba5SWu Zhangjinconfig CPU_LOONGSON2 18353702bba5SWu Zhangjin bool 18363702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18373702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18383702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1839970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18403702bba5SWu Zhangjin 1841ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1842ca585cf9SKelvin Cheung bool 1843ca585cf9SKelvin Cheung select CPU_MIPS32 1844ca585cf9SKelvin Cheung select CPU_MIPSR2 1845ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1846ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1847ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1848f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1849ca585cf9SKelvin Cheung 1850fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 185104fa8bf7SJonas Gorski select SMP_UP if SMP 18521bbb6c1bSKevin Cernekee bool 1853cd746249SJonas Gorski 1854cd746249SJonas Gorskiconfig CPU_BMIPS4350 1855cd746249SJonas Gorski bool 1856cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1857cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1858cd746249SJonas Gorski 1859cd746249SJonas Gorskiconfig CPU_BMIPS4380 1860cd746249SJonas Gorski bool 1861bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1862cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1863cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1864b4720809SFlorian Fainelli select CPU_HAS_RIXI 1865cd746249SJonas Gorski 1866cd746249SJonas Gorskiconfig CPU_BMIPS5000 1867cd746249SJonas Gorski bool 1868cd746249SJonas Gorski select MIPS_CPU_SCACHE 1869bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1870cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1871cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1872b4720809SFlorian Fainelli select CPU_HAS_RIXI 18731bbb6c1bSKevin Cernekee 18740e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18750e476d91SHuacai Chen bool 18760e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1877b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18780e476d91SHuacai Chen 18793702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18802a21c730SFuxin Zhang bool 18812a21c730SFuxin Zhang 18826f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18836f7a251aSWu Zhangjin bool 188455045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 188555045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 188622f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 18876f7a251aSWu Zhangjin 1888ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1889ca585cf9SKelvin Cheung bool 1890ca585cf9SKelvin Cheung 189112e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 189212e3280bSYang Ling bool 189312e3280bSYang Ling 18947cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18957cf8053bSRalf Baechle bool 18967cf8053bSRalf Baechle 18977cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18987cf8053bSRalf Baechle bool 18997cf8053bSRalf Baechle 1900a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1901a6e18781SLeonid Yegoshin bool 1902a6e18781SLeonid Yegoshin 1903c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1904c5b36783SSteven J. Hill bool 1905c5b36783SSteven J. Hill 19067fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19077fd08ca5SLeonid Yegoshin bool 19087fd08ca5SLeonid Yegoshin 19097cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19107cf8053bSRalf Baechle bool 19117cf8053bSRalf Baechle 19127cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19137cf8053bSRalf Baechle bool 19147cf8053bSRalf Baechle 19157fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19167fd08ca5SLeonid Yegoshin bool 19177fd08ca5SLeonid Yegoshin 19187cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19197cf8053bSRalf Baechle bool 19207cf8053bSRalf Baechle 19217cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19227cf8053bSRalf Baechle bool 19237cf8053bSRalf Baechle 19247cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19257cf8053bSRalf Baechle bool 19267cf8053bSRalf Baechle 19277cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 19287cf8053bSRalf Baechle bool 19297cf8053bSRalf Baechle 19307cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19317cf8053bSRalf Baechle bool 19327cf8053bSRalf Baechle 19337cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19347cf8053bSRalf Baechle bool 19357cf8053bSRalf Baechle 19367cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19377cf8053bSRalf Baechle bool 19387cf8053bSRalf Baechle 19397cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 19407cf8053bSRalf Baechle bool 19417cf8053bSRalf Baechle 1942542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1943542c1020SShinya Kuribayashi bool 1944542c1020SShinya Kuribayashi 19457cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19467cf8053bSRalf Baechle bool 19477cf8053bSRalf Baechle 19487cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 19497cf8053bSRalf Baechle bool 19507cf8053bSRalf Baechle 19517cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19527cf8053bSRalf Baechle bool 19537cf8053bSRalf Baechle 19547cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19557cf8053bSRalf Baechle bool 19567cf8053bSRalf Baechle 19577cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19587cf8053bSRalf Baechle bool 19597cf8053bSRalf Baechle 19605e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19615e683389SDavid Daney bool 19625e683389SDavid Daney 1963cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1964c1c0c461SKevin Cernekee bool 1965c1c0c461SKevin Cernekee 1966fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1967c1c0c461SKevin Cernekee bool 1968cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1969c1c0c461SKevin Cernekee 1970c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1971c1c0c461SKevin Cernekee bool 1972cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1973c1c0c461SKevin Cernekee 1974c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1975c1c0c461SKevin Cernekee bool 1976cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1977c1c0c461SKevin Cernekee 1978c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1979c1c0c461SKevin Cernekee bool 1980cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1981c1c0c461SKevin Cernekee 19827f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 19837f058e85SJayachandran C bool 19847f058e85SJayachandran C 19851c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 19861c773ea4SJayachandran C bool 19871c773ea4SJayachandran C 1988b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1989b6911bbaSPaul Burton depends on MIPS_MALTA 1990b6911bbaSPaul Burton depends on PCI 1991b6911bbaSPaul Burton bool 1992b6911bbaSPaul Burton default y 1993b6911bbaSPaul Burton 199417099b11SRalf Baechle# 199517099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 199617099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 199717099b11SRalf Baechle# 19980004a9dfSRalf Baechleconfig WEAK_ORDERING 19990004a9dfSRalf Baechle bool 200017099b11SRalf Baechle 200117099b11SRalf Baechle# 200217099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 200317099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 200417099b11SRalf Baechle# 200517099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 200617099b11SRalf Baechle bool 20075e83d430SRalf Baechleendmenu 20085e83d430SRalf Baechle 20095e83d430SRalf Baechle# 20105e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20115e83d430SRalf Baechle# 20125e83d430SRalf Baechleconfig CPU_MIPS32 20135e83d430SRalf Baechle bool 20147fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20155e83d430SRalf Baechle 20165e83d430SRalf Baechleconfig CPU_MIPS64 20175e83d430SRalf Baechle bool 20187fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20195e83d430SRalf Baechle 20205e83d430SRalf Baechle# 2021c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 20225e83d430SRalf Baechle# 20235e83d430SRalf Baechleconfig CPU_MIPSR1 20245e83d430SRalf Baechle bool 20255e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20265e83d430SRalf Baechle 20275e83d430SRalf Baechleconfig CPU_MIPSR2 20285e83d430SRalf Baechle bool 2029a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20308256b17eSFlorian Fainelli select CPU_HAS_RIXI 2031a7e07b1aSMarkos Chandras select MIPS_SPRAM 20325e83d430SRalf Baechle 20337fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20347fd08ca5SLeonid Yegoshin bool 20357fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20368256b17eSFlorian Fainelli select CPU_HAS_RIXI 203787321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20382db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 2039a7e07b1aSMarkos Chandras select MIPS_SPRAM 20405e83d430SRalf Baechle 2041a6e18781SLeonid Yegoshinconfig EVA 2042a6e18781SLeonid Yegoshin bool 2043a6e18781SLeonid Yegoshin 2044c5b36783SSteven J. Hillconfig XPA 2045c5b36783SSteven J. Hill bool 2046c5b36783SSteven J. Hill 20475e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20485e83d430SRalf Baechle bool 20495e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20505e83d430SRalf Baechle bool 20515e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20525e83d430SRalf Baechle bool 20535e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20545e83d430SRalf Baechle bool 205555045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 205655045ff5SWu Zhangjin bool 205755045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 205855045ff5SWu Zhangjin bool 20599cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20609cffd154SDavid Daney bool 206122f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 206222f1fdfdSWu Zhangjin bool 206382622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 206482622284SDavid Daney bool 2065cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 20665e83d430SRalf Baechle 20678192c9eaSDavid Daney# 20688192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20698192c9eaSDavid Daney# 20708192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20718192c9eaSDavid Daney bool 2072679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20738192c9eaSDavid Daney 20745e83d430SRalf Baechlemenu "Kernel type" 20755e83d430SRalf Baechle 20765e83d430SRalf Baechlechoice 20775e83d430SRalf Baechle prompt "Kernel code model" 20785e83d430SRalf Baechle help 20795e83d430SRalf Baechle You should only select this option if you have a workload that 20805e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20815e83d430SRalf Baechle large memory. You will only be presented a single option in this 20825e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20835e83d430SRalf Baechle 20845e83d430SRalf Baechleconfig 32BIT 20855e83d430SRalf Baechle bool "32-bit kernel" 20865e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20875e83d430SRalf Baechle select TRAD_SIGNALS 20885e83d430SRalf Baechle help 20895e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2090f17c4ca3SRalf Baechle 20915e83d430SRalf Baechleconfig 64BIT 20925e83d430SRalf Baechle bool "64-bit kernel" 20935e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20945e83d430SRalf Baechle help 20955e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 20965e83d430SRalf Baechle 20975e83d430SRalf Baechleendchoice 20985e83d430SRalf Baechle 20992235a54dSSanjay Lalconfig KVM_GUEST 21002235a54dSSanjay Lal bool "KVM Guest Kernel" 2101f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21022235a54dSSanjay Lal help 2103caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2104caa1faa7SJames Hogan mode. 21052235a54dSSanjay Lal 2106eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2107eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21082235a54dSSanjay Lal depends on KVM_GUEST 2109eda3d33cSJames Hogan default 100 21102235a54dSSanjay Lal help 2111eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2112eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2113eda3d33cSJames Hogan timer frequency is specified directly. 21142235a54dSSanjay Lal 21151e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21161e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21171e321fa9SLeonid Yegoshin depends on 64BIT 21181e321fa9SLeonid Yegoshin help 21193377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21203377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21213377e227SAlex Belits For page sizes 16k and above, this option results in a small 21223377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21233377e227SAlex Belits level of page tables is added which imposes both a memory 21243377e227SAlex Belits overhead as well as slower TLB fault handling. 21253377e227SAlex Belits 21261e321fa9SLeonid Yegoshin If unsure, say N. 21271e321fa9SLeonid Yegoshin 21281da177e4SLinus Torvaldschoice 21291da177e4SLinus Torvalds prompt "Kernel page size" 21301da177e4SLinus Torvalds default PAGE_SIZE_4KB 21311da177e4SLinus Torvalds 21321da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21331da177e4SLinus Torvalds bool "4kB" 21340e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21351da177e4SLinus Torvalds help 21361da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21371da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21381da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21391da177e4SLinus Torvalds recommended for low memory systems. 21401da177e4SLinus Torvalds 21411da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21421da177e4SLinus Torvalds bool "8kB" 21437d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 21441e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21451da177e4SLinus Torvalds help 21461da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21471da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2148c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2149c52399beSRalf Baechle suitable Linux distribution to support this. 21501da177e4SLinus Torvalds 21511da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21521da177e4SLinus Torvalds bool "16kB" 2153714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21541da177e4SLinus Torvalds help 21551da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21561da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2157714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2158714bfad6SRalf Baechle Linux distribution to support this. 21591da177e4SLinus Torvalds 2160c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2161c52399beSRalf Baechle bool "32kB" 2162c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21631e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2164c52399beSRalf Baechle help 2165c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2166c52399beSRalf Baechle the price of higher memory consumption. This option is available 2167c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2168c52399beSRalf Baechle distribution to support this. 2169c52399beSRalf Baechle 21701da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21711da177e4SLinus Torvalds bool "64kB" 21723b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21731da177e4SLinus Torvalds help 21741da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21751da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21761da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2177714bfad6SRalf Baechle writing this option is still high experimental. 21781da177e4SLinus Torvalds 21791da177e4SLinus Torvaldsendchoice 21801da177e4SLinus Torvalds 2181c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2182c9bace7cSDavid Daney int "Maximum zone order" 2183e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2184e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2185e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2186e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2187e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2188e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2189c9bace7cSDavid Daney range 11 64 2190c9bace7cSDavid Daney default "11" 2191c9bace7cSDavid Daney help 2192c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2193c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2194c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2195c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2196c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2197c9bace7cSDavid Daney increase this value. 2198c9bace7cSDavid Daney 2199c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2200c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2201c9bace7cSDavid Daney 2202c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2203c9bace7cSDavid Daney when choosing a value for this option. 2204c9bace7cSDavid Daney 22051da177e4SLinus Torvaldsconfig BOARD_SCACHE 22061da177e4SLinus Torvalds bool 22071da177e4SLinus Torvalds 22081da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22091da177e4SLinus Torvalds bool 22101da177e4SLinus Torvalds select BOARD_SCACHE 22111da177e4SLinus Torvalds 22129318c51aSChris Dearman# 22139318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22149318c51aSChris Dearman# 22159318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22169318c51aSChris Dearman bool 22179318c51aSChris Dearman select BOARD_SCACHE 22189318c51aSChris Dearman 22191da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22201da177e4SLinus Torvalds bool 22211da177e4SLinus Torvalds select BOARD_SCACHE 22221da177e4SLinus Torvalds 22231da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22241da177e4SLinus Torvalds bool 22251da177e4SLinus Torvalds select BOARD_SCACHE 22261da177e4SLinus Torvalds 22271da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22281da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22291da177e4SLinus Torvalds depends on CPU_SB1 22301da177e4SLinus Torvalds help 22311da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22321da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22331da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22341da177e4SLinus Torvalds 22351da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2236c8094b53SRalf Baechle bool 22371da177e4SLinus Torvalds 22383165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22393165c846SFlorian Fainelli bool 22403b2db173SPaul Burton default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX) 22413165c846SFlorian Fainelli 224291405eb6SFlorian Fainelliconfig CPU_R4K_FPU 224391405eb6SFlorian Fainelli bool 2244*a2aea699SPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 224591405eb6SFlorian Fainelli 224662cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 224762cedc4fSFlorian Fainelli bool 224862cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 224962cedc4fSFlorian Fainelli 225059d6ab86SRalf Baechleconfig MIPS_MT_SMP 2251a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 2252527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 225359d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2254d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2255c080faa5SSteven J. Hill select SYNC_R4K 225659d6ab86SRalf Baechle select MIPS_MT 225759d6ab86SRalf Baechle select SMP 225887353d8aSRalf Baechle select SMP_UP 2259c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2260c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2261399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 226259d6ab86SRalf Baechle help 2263c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2264c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2265c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2266c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2267c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 226859d6ab86SRalf Baechle 2269f41ae0b2SRalf Baechleconfig MIPS_MT 2270f41ae0b2SRalf Baechle bool 2271f41ae0b2SRalf Baechle 22720ab7aefcSRalf Baechleconfig SCHED_SMT 22730ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22740ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22750ab7aefcSRalf Baechle default n 22760ab7aefcSRalf Baechle help 22770ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 22780ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 22790ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 22800ab7aefcSRalf Baechle 22810ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22820ab7aefcSRalf Baechle bool 22830ab7aefcSRalf Baechle 2284f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2285f41ae0b2SRalf Baechle bool 2286f41ae0b2SRalf Baechle 2287f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2288f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2289f088fc84SRalf Baechle default y 2290b633648cSRalf Baechle depends on MIPS_MT_SMP 229107cc0c9eSRalf Baechle 2292b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2293b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 22949eaa9a82SPaul Burton depends on CPU_MIPSR6 2295b0a668fbSLeonid Yegoshin default y 2296b0a668fbSLeonid Yegoshin help 2297b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2298b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 229907edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2300b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2301b0a668fbSLeonid Yegoshin final kernel image. 2302b0a668fbSLeonid Yegoshin 230307cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 230407cc0c9eSRalf Baechle bool "VPE loader support." 2305704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 230607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 230707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 230807cc0c9eSRalf Baechle select MIPS_MT 230907cc0c9eSRalf Baechle help 231007cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 231107cc0c9eSRalf Baechle onto another VPE and running it. 2312f088fc84SRalf Baechle 231317a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 231417a1d523SDeng-Cheng Zhu bool 231517a1d523SDeng-Cheng Zhu default "y" 231617a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 231717a1d523SDeng-Cheng Zhu 23181a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23191a2a6d7eSDeng-Cheng Zhu bool 23201a2a6d7eSDeng-Cheng Zhu default "y" 23211a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23221a2a6d7eSDeng-Cheng Zhu 2323e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2324e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2325e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2326e01402b1SRalf Baechle default y 2327e01402b1SRalf Baechle help 2328e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2329e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2330e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2331e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2332e01402b1SRalf Baechle 2333e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2334e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2335e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 23365e83d430SRalf Baechle help 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 23680ee958e1SPaul Burton select MIPS_CPC 23691d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 23700ee958e1SPaul Burton select SMP 23710ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 23721d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2373c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 23740ee958e1SPaul Burton select SYS_SUPPORTS_SMP 23750ee958e1SPaul Burton select WEAK_ORDERING 23760ee958e1SPaul Burton help 23770ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 23780ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 23790ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 23800ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 23810ee958e1SPaul Burton support is unavailable. 23820ee958e1SPaul Burton 23833179d37eSPaul Burtonconfig MIPS_CPS_PM 238439a59593SMarkos Chandras depends on MIPS_CPS 2385a8b84677SPaul Burton select MIPS_CPC 23863179d37eSPaul Burton bool 23873179d37eSPaul Burton 23889f98f3ddSPaul Burtonconfig MIPS_CM 23899f98f3ddSPaul Burton bool 23909f98f3ddSPaul Burton 23919c38cf44SPaul Burtonconfig MIPS_CPC 23929c38cf44SPaul Burton bool 23932600990eSRalf Baechle 23941da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 23951da177e4SLinus Torvalds bool 23961da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 23971da177e4SLinus Torvalds default y 23981da177e4SLinus Torvalds 23991da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24001da177e4SLinus Torvalds bool 24011da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24021da177e4SLinus Torvalds default y 24031da177e4SLinus Torvalds 24042235a54dSSanjay Lal 240560ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 240634adb28dSRalf Baechle bool 240760ec6571Spascal@pabr.org 24089e2b5372SMarkos Chandraschoice 24099e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24109e2b5372SMarkos Chandras 24119e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24129e2b5372SMarkos Chandras bool "None" 24139e2b5372SMarkos Chandras help 24149e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24159e2b5372SMarkos Chandras 24169693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24179693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24189e2b5372SMarkos Chandras bool "SmartMIPS" 24199693a853SFranck Bui-Huu help 24209693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24219693a853SFranck Bui-Huu increased security at both hardware and software level for 24229693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24239693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24249693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24259693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24269693a853SFranck Bui-Huu here. 24279693a853SFranck Bui-Huu 2428bce86083SSteven J. Hillconfig CPU_MICROMIPS 24297fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24309e2b5372SMarkos Chandras bool "microMIPS" 2431bce86083SSteven J. Hill help 2432bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2433bce86083SSteven J. Hill microMIPS ISA 2434bce86083SSteven J. Hill 24359e2b5372SMarkos Chandrasendchoice 24369e2b5372SMarkos Chandras 2437a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24380ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2439a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 24402a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2441a5e9a69eSPaul Burton help 2442a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2443a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24441db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24451db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24461db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24471db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24481db1af84SPaul Burton the size & complexity of your kernel. 2449a5e9a69eSPaul Burton 2450a5e9a69eSPaul Burton If unsure, say Y. 2451a5e9a69eSPaul Burton 24521da177e4SLinus Torvaldsconfig CPU_HAS_WB 2453f7062ddbSRalf Baechle bool 2454e01402b1SRalf Baechle 2455df0ac8a4SKevin Cernekeeconfig XKS01 2456df0ac8a4SKevin Cernekee bool 2457df0ac8a4SKevin Cernekee 24588256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 24598256b17eSFlorian Fainelli bool 24608256b17eSFlorian Fainelli 2461f41ae0b2SRalf Baechle# 2462f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2463f41ae0b2SRalf Baechle# 2464e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2465f41ae0b2SRalf Baechle bool 2466e01402b1SRalf Baechle 2467f41ae0b2SRalf Baechle# 2468f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2469f41ae0b2SRalf Baechle# 2470e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2471f41ae0b2SRalf Baechle bool 2472e01402b1SRalf Baechle 24731da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 24741da177e4SLinus Torvalds bool 24751da177e4SLinus Torvalds depends on !CPU_R3000 24761da177e4SLinus Torvalds default y 24771da177e4SLinus Torvalds 24781da177e4SLinus Torvalds# 247920d60d99SMaciej W. Rozycki# CPU non-features 248020d60d99SMaciej W. Rozycki# 248120d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 248220d60d99SMaciej W. Rozycki bool 248320d60d99SMaciej W. Rozycki 248420d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 248520d60d99SMaciej W. Rozycki bool 248620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 248720d60d99SMaciej W. Rozycki 248820d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 248920d60d99SMaciej W. Rozycki bool 249020d60d99SMaciej W. Rozycki 24914edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 24924edf00a4SPaul Burton int 24934edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 24944edf00a4SPaul Burton default 4 if CPU_R8000 24954edf00a4SPaul Burton default 0 24964edf00a4SPaul Burton 24974edf00a4SPaul Burtonconfig MIPS_ASID_BITS 24984edf00a4SPaul Burton int 24992db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25004edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25014edf00a4SPaul Burton default 8 25024edf00a4SPaul Burton 25032db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25042db003a5SPaul Burton bool 25052db003a5SPaul Burton 250620d60d99SMaciej W. Rozycki# 25071da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25081da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25091da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25101da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25111da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25121da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25131da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25141da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2515797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2516797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2517797798c1SRalf Baechle# support. 25181da177e4SLinus Torvalds# 25191da177e4SLinus Torvaldsconfig HIGHMEM 25201da177e4SLinus Torvalds bool "High Memory Support" 2521a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2522797798c1SRalf Baechle 2523797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2524797798c1SRalf Baechle bool 2525797798c1SRalf Baechle 2526797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2527797798c1SRalf Baechle bool 25281da177e4SLinus Torvalds 25299693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25309693a853SFranck Bui-Huu bool 25319693a853SFranck Bui-Huu 2532a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2533a6a4834cSSteven J. Hill bool 2534a6a4834cSSteven J. Hill 2535377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2536377cb1b6SRalf Baechle bool 2537377cb1b6SRalf Baechle help 2538377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2539377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2540377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2541377cb1b6SRalf Baechle 2542a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2543a5e9a69eSPaul Burton bool 2544a5e9a69eSPaul Burton 2545b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2546b4819b59SYoichi Yuasa def_bool y 2547f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2548b4819b59SYoichi Yuasa 2549d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2550d8cb4e11SRalf Baechle bool 2551d8cb4e11SRalf Baechle default y if SGI_IP27 2552d8cb4e11SRalf Baechle help 25533dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2554d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2555d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2556d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2557d8cb4e11SRalf Baechle 2558b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2559b1c6cd42SAtsushi Nemoto bool 25607de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 256131473747SAtsushi Nemoto 2562d8cb4e11SRalf Baechleconfig NUMA 2563d8cb4e11SRalf Baechle bool "NUMA Support" 2564d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2565d8cb4e11SRalf Baechle help 2566d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2567d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2568d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2569d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2570d8cb4e11SRalf Baechle disabled. 2571d8cb4e11SRalf Baechle 2572d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2573d8cb4e11SRalf Baechle bool 2574d8cb4e11SRalf Baechle 25758c530ea3SMatt Redfearnconfig RELOCATABLE 25768c530ea3SMatt Redfearn bool "Relocatable kernel" 25773ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 25788c530ea3SMatt Redfearn help 25798c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 25808c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 25818c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 25828c530ea3SMatt Redfearn but are discarded at runtime 25838c530ea3SMatt Redfearn 2584069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2585069fd766SMatt Redfearn hex "Relocation table size" 2586069fd766SMatt Redfearn depends on RELOCATABLE 2587069fd766SMatt Redfearn range 0x0 0x01000000 2588069fd766SMatt Redfearn default "0x00100000" 2589069fd766SMatt Redfearn ---help--- 2590069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2591069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2592069fd766SMatt Redfearn 2593069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2594069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2595069fd766SMatt Redfearn 2596069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2597069fd766SMatt Redfearn 2598069fd766SMatt Redfearn If unsure, leave at the default value. 2599069fd766SMatt Redfearn 2600405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2601405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2602405bc8fdSMatt Redfearn depends on RELOCATABLE 2603405bc8fdSMatt Redfearn ---help--- 2604405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2605405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2606405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2607405bc8fdSMatt Redfearn of kernel internals. 2608405bc8fdSMatt Redfearn 2609405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2610405bc8fdSMatt Redfearn 2611405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2612405bc8fdSMatt Redfearn 2613405bc8fdSMatt Redfearn If unsure, say N. 2614405bc8fdSMatt Redfearn 2615405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2616405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2617405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2618405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2619405bc8fdSMatt Redfearn range 0x0 0x08000000 2620405bc8fdSMatt Redfearn default "0x01000000" 2621405bc8fdSMatt Redfearn ---help--- 2622405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2623405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2624405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2625405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2626405bc8fdSMatt Redfearn 2627405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2628405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2629405bc8fdSMatt Redfearn 2630c80d79d7SYasunori Gotoconfig NODES_SHIFT 2631c80d79d7SYasunori Goto int 2632c80d79d7SYasunori Goto default "6" 2633c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2634c80d79d7SYasunori Goto 263514f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 263614f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 263723021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 263814f70012SDeng-Cheng Zhu default y 263914f70012SDeng-Cheng Zhu help 264014f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 264114f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 264214f70012SDeng-Cheng Zhu 2643b4819b59SYoichi Yuasasource "mm/Kconfig" 2644b4819b59SYoichi Yuasa 26451da177e4SLinus Torvaldsconfig SMP 26461da177e4SLinus Torvalds bool "Multi-Processing support" 2647e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2648e73ea273SRalf Baechle help 26491da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 26504a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 26514a474157SRobert Graffham than one CPU, say Y. 26521da177e4SLinus Torvalds 26534a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 26541da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 26551da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 26564a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 26571da177e4SLinus Torvalds will run faster if you say N here. 26581da177e4SLinus Torvalds 26591da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 26601da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 26611da177e4SLinus Torvalds 266203502faaSAdrian Bunk See also the SMP-HOWTO available at 266303502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 26641da177e4SLinus Torvalds 26651da177e4SLinus Torvalds If you don't know what to do here, say N. 26661da177e4SLinus Torvalds 26677840d618SMatt Redfearnconfig HOTPLUG_CPU 26687840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 26697840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 26707840d618SMatt Redfearn help 26717840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 26727840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 26737840d618SMatt Redfearn (Note: power management support will enable this option 26747840d618SMatt Redfearn automatically on SMP systems. ) 26757840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 26767840d618SMatt Redfearn 267787353d8aSRalf Baechleconfig SMP_UP 267887353d8aSRalf Baechle bool 267987353d8aSRalf Baechle 26804a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 26814a16ff4cSRalf Baechle bool 26824a16ff4cSRalf Baechle 26830ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 26840ee958e1SPaul Burton bool 26850ee958e1SPaul Burton 2686e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2687e73ea273SRalf Baechle bool 2688e73ea273SRalf Baechle 2689130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2690130e2fb7SRalf Baechle bool 2691130e2fb7SRalf Baechle 2692130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2693130e2fb7SRalf Baechle bool 2694130e2fb7SRalf Baechle 2695130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2696130e2fb7SRalf Baechle bool 2697130e2fb7SRalf Baechle 2698130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2699130e2fb7SRalf Baechle bool 2700130e2fb7SRalf Baechle 2701130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2702130e2fb7SRalf Baechle bool 2703130e2fb7SRalf Baechle 27041da177e4SLinus Torvaldsconfig NR_CPUS 2705a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2706a91796a9SJayachandran C range 2 256 27071da177e4SLinus Torvalds depends on SMP 2708130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2709130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2710130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2711130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2712130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27131da177e4SLinus Torvalds help 27141da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27151da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27161da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 271772ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 271872ede9b1SAtsushi Nemoto and 2 for all others. 27191da177e4SLinus Torvalds 27201da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 272172ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 272272ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 272372ede9b1SAtsushi Nemoto power of two. 27241da177e4SLinus Torvalds 2725399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2726399aaa25SAl Cooper bool 2727399aaa25SAl Cooper 27281723b4a3SAtsushi Nemoto# 27291723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 27301723b4a3SAtsushi Nemoto# 27311723b4a3SAtsushi Nemoto 27321723b4a3SAtsushi Nemotochoice 27331723b4a3SAtsushi Nemoto prompt "Timer frequency" 27341723b4a3SAtsushi Nemoto default HZ_250 27351723b4a3SAtsushi Nemoto help 27361723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 27371723b4a3SAtsushi Nemoto 273867596573SPaul Burton config HZ_24 273967596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 274067596573SPaul Burton 27411723b4a3SAtsushi Nemoto config HZ_48 27420f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 27431723b4a3SAtsushi Nemoto 27441723b4a3SAtsushi Nemoto config HZ_100 27451723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 27461723b4a3SAtsushi Nemoto 27471723b4a3SAtsushi Nemoto config HZ_128 27481723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 27491723b4a3SAtsushi Nemoto 27501723b4a3SAtsushi Nemoto config HZ_250 27511723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 27521723b4a3SAtsushi Nemoto 27531723b4a3SAtsushi Nemoto config HZ_256 27541723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 27551723b4a3SAtsushi Nemoto 27561723b4a3SAtsushi Nemoto config HZ_1000 27571723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 27581723b4a3SAtsushi Nemoto 27591723b4a3SAtsushi Nemoto config HZ_1024 27601723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 27611723b4a3SAtsushi Nemoto 27621723b4a3SAtsushi Nemotoendchoice 27631723b4a3SAtsushi Nemoto 276467596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 276567596573SPaul Burton bool 276667596573SPaul Burton 27671723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 27681723b4a3SAtsushi Nemoto bool 27691723b4a3SAtsushi Nemoto 27701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 27711723b4a3SAtsushi Nemoto bool 27721723b4a3SAtsushi Nemoto 27731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 27741723b4a3SAtsushi Nemoto bool 27751723b4a3SAtsushi Nemoto 27761723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 27771723b4a3SAtsushi Nemoto bool 27781723b4a3SAtsushi Nemoto 27791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 27801723b4a3SAtsushi Nemoto bool 27811723b4a3SAtsushi Nemoto 27821723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 27831723b4a3SAtsushi Nemoto bool 27841723b4a3SAtsushi Nemoto 27851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 27861723b4a3SAtsushi Nemoto bool 27871723b4a3SAtsushi Nemoto 27881723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 27891723b4a3SAtsushi Nemoto bool 279067596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 279167596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 279267596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 279367596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 279467596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 279567596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 279667596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 27971723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 27981723b4a3SAtsushi Nemoto 27991723b4a3SAtsushi Nemotoconfig HZ 28001723b4a3SAtsushi Nemoto int 280167596573SPaul Burton default 24 if HZ_24 28021723b4a3SAtsushi Nemoto default 48 if HZ_48 28031723b4a3SAtsushi Nemoto default 100 if HZ_100 28041723b4a3SAtsushi Nemoto default 128 if HZ_128 28051723b4a3SAtsushi Nemoto default 250 if HZ_250 28061723b4a3SAtsushi Nemoto default 256 if HZ_256 28071723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28081723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28091723b4a3SAtsushi Nemoto 281096685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 281196685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 281296685b17SDeng-Cheng Zhu 2813e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 28141da177e4SLinus Torvalds 2815ea6e942bSAtsushi Nemotoconfig KEXEC 28167d60717eSKees Cook bool "Kexec system call" 28172965faa5SDave Young select KEXEC_CORE 2818ea6e942bSAtsushi Nemoto help 2819ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2820ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28213dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2822ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2823ea6e942bSAtsushi Nemoto 282401dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2825ea6e942bSAtsushi Nemoto 2826ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2827ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2828bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2829bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2830bf220695SGeert Uytterhoeven made. 2831ea6e942bSAtsushi Nemoto 28327aa1c8f4SRalf Baechleconfig CRASH_DUMP 28337aa1c8f4SRalf Baechle bool "Kernel crash dumps" 28347aa1c8f4SRalf Baechle help 28357aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 28367aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 28377aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 28387aa1c8f4SRalf Baechle a specially reserved region and then later executed after 28397aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 28407aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 28417aa1c8f4SRalf Baechle PHYSICAL_START. 28427aa1c8f4SRalf Baechle 28437aa1c8f4SRalf Baechleconfig PHYSICAL_START 28447aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 28457aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 28467aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 28477aa1c8f4SRalf Baechle depends on CRASH_DUMP 28487aa1c8f4SRalf Baechle help 28497aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 28507aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 28517aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 28527aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 28537aa1c8f4SRalf Baechle passed to the panic-ed kernel). 28547aa1c8f4SRalf Baechle 2855ea6e942bSAtsushi Nemotoconfig SECCOMP 2856ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2857293c5bd1SRalf Baechle depends on PROC_FS 2858ea6e942bSAtsushi Nemoto default y 2859ea6e942bSAtsushi Nemoto help 2860ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2861ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2862ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2863ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2864ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2865ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2866ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2867ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2868ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2869ea6e942bSAtsushi Nemoto 2870ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2871ea6e942bSAtsushi Nemoto 2872597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 28730ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2874597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2875597ce172SPaul Burton help 2876597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2877597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2878597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2879597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2880597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2881597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2882597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2883597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2884597ce172SPaul Burton saying N here. 2885597ce172SPaul Burton 288606e2e882SPaul Burton Although binutils currently supports use of this flag the details 288706e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 288806e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 288906e2e882SPaul Burton behaviour before the details have been finalised, this option should 289006e2e882SPaul Burton be considered experimental and only enabled by those working upon 289106e2e882SPaul Burton said details. 289206e2e882SPaul Burton 289306e2e882SPaul Burton If unsure, say N. 2894597ce172SPaul Burton 2895f2ffa5abSDezhong Diaoconfig USE_OF 28960b3e06fdSJonas Gorski bool 2897f2ffa5abSDezhong Diao select OF 2898e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2899abd2363fSGrant Likely select IRQ_DOMAIN 2900f2ffa5abSDezhong Diao 29017fafb068SAndrew Brestickerconfig BUILTIN_DTB 29027fafb068SAndrew Bresticker bool 29037fafb068SAndrew Bresticker 29041da8f179SJonas Gorskichoice 29055b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29061da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29071da8f179SJonas Gorski 29081da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29091da8f179SJonas Gorski bool "None" 29101da8f179SJonas Gorski help 29111da8f179SJonas Gorski Do not enable appended dtb support. 29121da8f179SJonas Gorski 291387db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 291487db537dSAaro Koskinen bool "vmlinux" 291587db537dSAaro Koskinen help 291687db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 291787db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 291887db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 291987db537dSAaro Koskinen objcopy: 292087db537dSAaro Koskinen 292187db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 292287db537dSAaro Koskinen 292387db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 292487db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 292587db537dSAaro Koskinen the documented boot protocol using a device tree. 292687db537dSAaro Koskinen 29271da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2928b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29291da8f179SJonas Gorski help 29301da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2931b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 29321da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 29331da8f179SJonas Gorski 29341da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 29351da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 29361da8f179SJonas Gorski the documented boot protocol using a device tree. 29371da8f179SJonas Gorski 29381da8f179SJonas Gorski Beware that there is very little in terms of protection against 29391da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 29401da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 29411da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 29421da8f179SJonas Gorski if you don't intend to always append a DTB. 29431da8f179SJonas Gorskiendchoice 29441da8f179SJonas Gorski 29452024972eSJonas Gorskichoice 29462024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 29472bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 29483f5f0a44SPaul Burton !MIPS_MALTA && \ 29492bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 29502024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 29512024972eSJonas Gorski 29522024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 29532024972eSJonas Gorski depends on USE_OF 29542024972eSJonas Gorski bool "Dtb kernel arguments if available" 29552024972eSJonas Gorski 29562024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 29572024972eSJonas Gorski depends on USE_OF 29582024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 29592024972eSJonas Gorski 29602024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 29612024972eSJonas Gorski bool "Bootloader kernel arguments if available" 2962ed47e153SRabin Vincent 2963ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 2964ed47e153SRabin Vincent depends on CMDLINE_BOOL 2965ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 29662024972eSJonas Gorskiendchoice 29672024972eSJonas Gorski 29685e83d430SRalf Baechleendmenu 29695e83d430SRalf Baechle 29701df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 29711df0f0ffSAtsushi Nemoto bool 29721df0f0ffSAtsushi Nemoto default y 29731df0f0ffSAtsushi Nemoto 29741df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 29751df0f0ffSAtsushi Nemoto bool 29761df0f0ffSAtsushi Nemoto default y 29771df0f0ffSAtsushi Nemoto 2978e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 2979e1e16115SAaro Koskinen bool 2980e1e16115SAaro Koskinen default y 2981e1e16115SAaro Koskinen 2982a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2983a728ab52SKirill A. Shutemov int 29843377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 2985a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2986a728ab52SKirill A. Shutemov default 2 2987a728ab52SKirill A. Shutemov 2988b6c3539bSRalf Baechlesource "init/Kconfig" 2989b6c3539bSRalf Baechle 2990dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2991dc52ddc0SMatt Helsley 29921da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 29931da177e4SLinus Torvalds 29945e83d430SRalf Baechleconfig HW_HAS_EISA 29955e83d430SRalf Baechle bool 29961da177e4SLinus Torvaldsconfig HW_HAS_PCI 29971da177e4SLinus Torvalds bool 29981da177e4SLinus Torvalds 29991da177e4SLinus Torvaldsconfig PCI 30001da177e4SLinus Torvalds bool "Support for PCI controller" 30011da177e4SLinus Torvalds depends on HW_HAS_PCI 3002abb4ae46SRalf Baechle select PCI_DOMAINS 30031da177e4SLinus Torvalds help 30041da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 30051da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 30061da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 30071da177e4SLinus Torvalds say Y, otherwise N. 30081da177e4SLinus Torvalds 30090e476d91SHuacai Chenconfig HT_PCI 30100e476d91SHuacai Chen bool "Support for HT-linked PCI" 30110e476d91SHuacai Chen default y 30120e476d91SHuacai Chen depends on CPU_LOONGSON3 30130e476d91SHuacai Chen select PCI 30140e476d91SHuacai Chen select PCI_DOMAINS 30150e476d91SHuacai Chen help 30160e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 30170e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 30180e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 30190e476d91SHuacai Chen 30201da177e4SLinus Torvaldsconfig PCI_DOMAINS 30211da177e4SLinus Torvalds bool 30221da177e4SLinus Torvalds 302388555b48SPaul Burtonconfig PCI_DOMAINS_GENERIC 302488555b48SPaul Burton bool 302588555b48SPaul Burton 3026c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 302787dd9a4dSPaul Burton select PCI_DOMAINS_GENERIC if PCI_DOMAINS 3028c5611df9SPaul Burton bool 3029c5611df9SPaul Burton 3030c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3031c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3032c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 3033c5611df9SPaul Burton 30341da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 30351da177e4SLinus Torvalds 30361da177e4SLinus Torvalds# 30371da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30381da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30391da177e4SLinus Torvalds# users to choose the right thing ... 30401da177e4SLinus Torvalds# 30411da177e4SLinus Torvaldsconfig ISA 30421da177e4SLinus Torvalds bool 30431da177e4SLinus Torvalds 30441da177e4SLinus Torvaldsconfig EISA 30451da177e4SLinus Torvalds bool "EISA support" 30465e83d430SRalf Baechle depends on HW_HAS_EISA 30471da177e4SLinus Torvalds select ISA 3048aa414dffSRalf Baechle select GENERIC_ISA_DMA 30491da177e4SLinus Torvalds ---help--- 30501da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 30511da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 30521da177e4SLinus Torvalds 30531da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 30541da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 30551da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 30561da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 30571da177e4SLinus Torvalds 30581da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 30591da177e4SLinus Torvalds 30601da177e4SLinus Torvalds Otherwise, say N. 30611da177e4SLinus Torvalds 30621da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 30631da177e4SLinus Torvalds 30641da177e4SLinus Torvaldsconfig TC 30651da177e4SLinus Torvalds bool "TURBOchannel support" 30661da177e4SLinus Torvalds depends on MACH_DECSTATION 30671da177e4SLinus Torvalds help 306850a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 306950a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 307050a23e6eSJustin P. Mattock at: 307150a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 307250a23e6eSJustin P. Mattock and: 307350a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 307450a23e6eSJustin P. Mattock Linux driver support status is documented at: 307550a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30761da177e4SLinus Torvalds 30771da177e4SLinus Torvaldsconfig MMU 30781da177e4SLinus Torvalds bool 30791da177e4SLinus Torvalds default y 30801da177e4SLinus Torvalds 3081109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3082109c32ffSMatt Redfearn default 12 if 64BIT 3083109c32ffSMatt Redfearn default 8 3084109c32ffSMatt Redfearn 3085109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3086109c32ffSMatt Redfearn default 18 if 64BIT 3087109c32ffSMatt Redfearn default 15 3088109c32ffSMatt Redfearn 3089109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3090109c32ffSMatt Redfearn default 8 3091109c32ffSMatt Redfearn 3092109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3093109c32ffSMatt Redfearn default 15 3094109c32ffSMatt Redfearn 3095d865bea4SRalf Baechleconfig I8253 3096d865bea4SRalf Baechle bool 3097798778b8SRussell King select CLKSRC_I8253 30982d02612fSThomas Gleixner select CLKEVT_I8253 30999726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3100d865bea4SRalf Baechle 3101e05eb3f8SRalf Baechleconfig ZONE_DMA 3102e05eb3f8SRalf Baechle bool 3103e05eb3f8SRalf Baechle 3104cce335aeSRalf Baechleconfig ZONE_DMA32 3105cce335aeSRalf Baechle bool 3106cce335aeSRalf Baechle 31071da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 31081da177e4SLinus Torvalds 3109388b78adSAlexandre Bounineconfig RAPIDIO 311056abde72SAlexandre Bounine tristate "RapidIO support" 3111388b78adSAlexandre Bounine depends on PCI 3112388b78adSAlexandre Bounine default n 3113388b78adSAlexandre Bounine help 3114388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 3115388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 3116388b78adSAlexandre Bounine 3117388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 3118388b78adSAlexandre Bounine 31191da177e4SLinus Torvaldsendmenu 31201da177e4SLinus Torvalds 31211da177e4SLinus Torvaldsmenu "Executable file formats" 31221da177e4SLinus Torvalds 31231da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 31241da177e4SLinus Torvalds 31251da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31261da177e4SLinus Torvalds bool 31271da177e4SLinus Torvalds 31281da177e4SLinus Torvaldsconfig MIPS32_COMPAT 312978aaf956SRalf Baechle bool 31301da177e4SLinus Torvalds 31311da177e4SLinus Torvaldsconfig COMPAT 31321da177e4SLinus Torvalds bool 31331da177e4SLinus Torvalds 313405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 313505e43966SAtsushi Nemoto bool 313605e43966SAtsushi Nemoto 31371da177e4SLinus Torvaldsconfig MIPS32_O32 31381da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 313978aaf956SRalf Baechle depends on 64BIT 314078aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 314178aaf956SRalf Baechle select COMPAT 314278aaf956SRalf Baechle select MIPS32_COMPAT 314378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31441da177e4SLinus Torvalds help 31451da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31461da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31471da177e4SLinus Torvalds existing binaries are in this format. 31481da177e4SLinus Torvalds 31491da177e4SLinus Torvalds If unsure, say Y. 31501da177e4SLinus Torvalds 31511da177e4SLinus Torvaldsconfig MIPS32_N32 31521da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3153c22eacfeSRalf Baechle depends on 64BIT 315478aaf956SRalf Baechle select COMPAT 315578aaf956SRalf Baechle select MIPS32_COMPAT 315678aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31571da177e4SLinus Torvalds help 31581da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31591da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31601da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31611da177e4SLinus Torvalds cases. 31621da177e4SLinus Torvalds 31631da177e4SLinus Torvalds If unsure, say N. 31641da177e4SLinus Torvalds 31651da177e4SLinus Torvaldsconfig BINFMT_ELF32 31661da177e4SLinus Torvalds bool 31671da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3168f43edca7SRalf Baechle select ELFCORE 31691da177e4SLinus Torvalds 31702116245eSRalf Baechleendmenu 31711da177e4SLinus Torvalds 31722116245eSRalf Baechlemenu "Power management options" 3173952fa954SRodolfo Giometti 3174363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3175363c55caSWu Zhangjin def_bool y 31763f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3177363c55caSWu Zhangjin 3178f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3179f4cb5700SJohannes Berg def_bool y 31803f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3181f4cb5700SJohannes Berg 31822116245eSRalf Baechlesource "kernel/power/Kconfig" 3183952fa954SRodolfo Giometti 31841da177e4SLinus Torvaldsendmenu 31851da177e4SLinus Torvalds 31867a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31877a998935SViresh Kumar bool 31887a998935SViresh Kumar 31897a998935SViresh Kumarmenu "CPU Power Management" 3190c095ebafSPaul Burton 3191c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31927a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31937a998935SViresh Kumarendif 31949726b43aSWu Zhangjin 3195c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3196c095ebafSPaul Burton 3197c095ebafSPaul Burtonendmenu 3198c095ebafSPaul Burton 3199d5950b43SSam Ravnborgsource "net/Kconfig" 3200d5950b43SSam Ravnborg 32011da177e4SLinus Torvaldssource "drivers/Kconfig" 32021da177e4SLinus Torvalds 320398cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 320498cdee0eSRalf Baechle 32051da177e4SLinus Torvaldssource "fs/Kconfig" 32061da177e4SLinus Torvalds 32071da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 32081da177e4SLinus Torvalds 32091da177e4SLinus Torvaldssource "security/Kconfig" 32101da177e4SLinus Torvalds 32111da177e4SLinus Torvaldssource "crypto/Kconfig" 32121da177e4SLinus Torvalds 32131da177e4SLinus Torvaldssource "lib/Kconfig" 32142235a54dSSanjay Lal 32152235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3216