11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 440e084a5SRalf Baechle select ARCH_SUPPORTS_UPROBES 5a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 6393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 75fac4f7aSPaul Burton select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 81ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 9c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 10f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 11ec7748b5SSam Ravnborg select HAVE_IDE 123cc3434fSMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 1342d4b839SMathieu Desnoyers select HAVE_OPROFILE 147f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 157f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1688547001SJason Wessel select HAVE_ARCH_KGDB 17109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 18109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 19490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 20c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 216077776bSDaniel Borkmann select HAVE_CBPF_JIT if !CPU_MICROMIPS 22d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 23538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 24538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2564575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2629c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 27c1bf207dSDavid Daney select HAVE_KPROBES 28c1bf207dSDavid Daney select HAVE_KRETPROBES 29fb59e394SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 30b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 311d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 322b68f6caSKees Cook select ARCH_HAS_ELF_RANDOMIZE 33383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 3430ad29bbSHuacai Chen select RTC_LIB if !MACH_LOONGSON64 352b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 36f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3748e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 383bd27e32SDavid Daney select GENERIC_IRQ_PROBE 39f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 4078857614SMarkos Chandras select GENERIC_PCI_IOMAP 4194bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 42c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 430f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 449d15ffc8STejun Heo select HAVE_MEMBLOCK 459d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 469d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 47360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 484b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 4905510f2bSMarcin Nowakowski select GENERIC_CPU_AUTOPROBE 50cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 51929de4ccSDeng-Cheng Zhu select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 52cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 53786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 5442a0bb3fSPetr Mladek select HAVE_NMI 554febd95aSStephen Rothwell select VIRT_TO_BUS 562f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 572f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5850150d2bSAl Viro select CLONE_BACKWARDS 59d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 6019952a92SKees Cook select HAVE_CC_STACKPROTECTOR 61b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 62cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 6390cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 64d79d853dSMarkos Chandras select SYSCTL_EXCEPTION_TRACE 65bb877e96SDeng-Cheng Zhu select HAVE_VIRT_CPU_ACCOUNTING_GEN 66ec9ddad3SDeng-Cheng Zhu select HAVE_IRQ_TIME_ACCOUNTING 67a7f4df4eSAlex Smith select GENERIC_TIME_VSYSCALL 68a7f4df4eSAlex Smith select ARCH_CLOCKSOURCE_DATA 691d2753a6SDavid Daney select HANDLE_DOMAIN_IRQ 70432c6bacSPaul Burton select HAVE_EXIT_THREAD 7108bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 72cabca8c0SPaul Burton select HAVE_ARCH_HARDENED_USERCOPY 731da177e4SLinus Torvalds 741da177e4SLinus Torvaldsmenu "Machine selection" 751da177e4SLinus Torvalds 765e83d430SRalf Baechlechoice 775e83d430SRalf Baechle prompt "System type" 785e83d430SRalf Baechle default SGI_IP22 791da177e4SLinus Torvalds 80eed0eabdSPaul Burtonconfig MIPS_GENERIC 81eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 82eed0eabdSPaul Burton select BOOT_RAW 83eed0eabdSPaul Burton select BUILTIN_DTB 84eed0eabdSPaul Burton select CEVT_R4K 85eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 86eed0eabdSPaul Burton select COMMON_CLK 87eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 88eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 89eed0eabdSPaul Burton select CSRC_R4K 90eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 91eed0eabdSPaul Burton select HW_HAS_PCI 92eed0eabdSPaul Burton select IRQ_MIPS_CPU 93eed0eabdSPaul Burton select LIBFDT 94eed0eabdSPaul Burton select MIPS_CPU_SCACHE 95eed0eabdSPaul Burton select MIPS_GIC 96eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 97eed0eabdSPaul Burton select NO_EXCEPT_FILL 98eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 99eed0eabdSPaul Burton select PINCTRL 100eed0eabdSPaul Burton select SMP_UP if SMP 101a3078e59SMatt Redfearn select SWAP_IO_SPACE 102eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 103eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 104eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 105eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 106eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 107eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 108eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 109eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 110eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 111eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 112eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 113eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 114eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 115eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 116eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 117eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 118eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 119eed0eabdSPaul Burton select USB_EHCI_BIG_ENDIAN_DESC if BIG_ENDIAN 120eed0eabdSPaul Burton select USB_EHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN 121eed0eabdSPaul Burton select USB_OHCI_BIG_ENDIAN_DESC if BIG_ENDIAN 122eed0eabdSPaul Burton select USB_OHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN 123eed0eabdSPaul Burton select USB_UHCI_BIG_ENDIAN_DESC if BIG_ENDIAN 124eed0eabdSPaul Burton select USB_UHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN 125eed0eabdSPaul Burton select USE_OF 126eed0eabdSPaul Burton help 127eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 128eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 129eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 130eed0eabdSPaul Burton Interface) specification. 131eed0eabdSPaul Burton 13242a4f17dSManuel Laussconfig MIPS_ALCHEMY 133c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 13434adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 135f772cdb2SRalf Baechle select CEVT_R4K 136d7ea335cSSteven J. Hill select CSRC_R4K 13767e38cf2SRalf Baechle select IRQ_MIPS_CPU 13888e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 13942a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 14042a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 14142a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 142d30a2b47SLinus Walleij select GPIOLIB 1431b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 14447440229SManuel Lauss select COMMON_CLK 1451da177e4SLinus Torvalds 1467ca5dc14SFlorian Fainelliconfig AR7 1477ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1487ca5dc14SFlorian Fainelli select BOOT_ELF32 1497ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1507ca5dc14SFlorian Fainelli select CEVT_R4K 1517ca5dc14SFlorian Fainelli select CSRC_R4K 15267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1537ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1547ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1557ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1567ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1577ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1587ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 159377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1601b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 161d30a2b47SLinus Walleij select GPIOLIB 1627ca5dc14SFlorian Fainelli select VLYNQ 1638551fb64SYoichi Yuasa select HAVE_CLK 1647ca5dc14SFlorian Fainelli help 1657ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1667ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1677ca5dc14SFlorian Fainelli 16843cc739fSSergey Ryazanovconfig ATH25 16943cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 17043cc739fSSergey Ryazanov select CEVT_R4K 17143cc739fSSergey Ryazanov select CSRC_R4K 17243cc739fSSergey Ryazanov select DMA_NONCOHERENT 17367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1741753e74eSSergey Ryazanov select IRQ_DOMAIN 17543cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 17643cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 17743cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1788aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 17943cc739fSSergey Ryazanov help 18043cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 18143cc739fSSergey Ryazanov 182d4a67d9dSGabor Juhosconfig ATH79 183d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 184ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 185d4a67d9dSGabor Juhos select BOOT_RAW 186d4a67d9dSGabor Juhos select CEVT_R4K 187d4a67d9dSGabor Juhos select CSRC_R4K 188d4a67d9dSGabor Juhos select DMA_NONCOHERENT 189d30a2b47SLinus Walleij select GPIOLIB 19094638067SGabor Juhos select HAVE_CLK 191411520afSAlban Bedel select COMMON_CLK 1922c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 19367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1940aabf1a4SGabor Juhos select MIPS_MACHINE 195d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 196d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 197d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 198d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 199377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 200b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 20103c8c407SAlban Bedel select USE_OF 202d4a67d9dSGabor Juhos help 203d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 204d4a67d9dSGabor Juhos 2055f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2065f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 207d666cd02SKevin Cernekee select BOOT_RAW 208d666cd02SKevin Cernekee select NO_EXCEPT_FILL 209d666cd02SKevin Cernekee select USE_OF 210d666cd02SKevin Cernekee select CEVT_R4K 211d666cd02SKevin Cernekee select CSRC_R4K 212d666cd02SKevin Cernekee select SYNC_R4K 213d666cd02SKevin Cernekee select COMMON_CLK 214c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 21560b858f2SKevin Cernekee select BCM7038_L1_IRQ 21660b858f2SKevin Cernekee select BCM7120_L2_IRQ 21760b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 21867e38cf2SRalf Baechle select IRQ_MIPS_CPU 21960b858f2SKevin Cernekee select DMA_NONCOHERENT 220d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 22160b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 222d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 223d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 22460b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 22560b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 22660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 227d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 228d666cd02SKevin Cernekee select SWAP_IO_SPACE 22960b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 23060b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 23160b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 23260b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 233d666cd02SKevin Cernekee help 2345f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2355f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2365f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2375f2d4459SKevin Cernekee must be set appropriately for your board. 238d666cd02SKevin Cernekee 2391c0c13ebSAurelien Jarnoconfig BCM47XX 240c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 241fe08f8c2SHauke Mehrtens select BOOT_RAW 24242f77542SRalf Baechle select CEVT_R4K 243940f6b48SRalf Baechle select CSRC_R4K 2441c0c13ebSAurelien Jarno select DMA_NONCOHERENT 2451c0c13ebSAurelien Jarno select HW_HAS_PCI 24667e38cf2SRalf Baechle select IRQ_MIPS_CPU 247314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 248dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2491c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2501c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 251377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 25225e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 253e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 254c949c0bcSRafał Miłecki select GPIOLIB 255c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 256f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2572ab71a02SRafał Miłecki select BCM47XX_SPROM 2581c0c13ebSAurelien Jarno help 2591c0c13ebSAurelien Jarno Support for BCM47XX based boards 2601c0c13ebSAurelien Jarno 261e7300d04SMaxime Bizonconfig BCM63XX 262e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 263ae8de61cSFlorian Fainelli select BOOT_RAW 264e7300d04SMaxime Bizon select CEVT_R4K 265e7300d04SMaxime Bizon select CSRC_R4K 266fc264022SJonas Gorski select SYNC_R4K 267e7300d04SMaxime Bizon select DMA_NONCOHERENT 26867e38cf2SRalf Baechle select IRQ_MIPS_CPU 269e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 270e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 271e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 272e7300d04SMaxime Bizon select SWAP_IO_SPACE 273d30a2b47SLinus Walleij select GPIOLIB 2743e82eeebSYoichi Yuasa select HAVE_CLK 275af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 276e7300d04SMaxime Bizon help 277e7300d04SMaxime Bizon Support for BCM63XX based boards 278e7300d04SMaxime Bizon 2791da177e4SLinus Torvaldsconfig MIPS_COBALT 2803fa986faSMartin Michlmayr bool "Cobalt Server" 28142f77542SRalf Baechle select CEVT_R4K 282940f6b48SRalf Baechle select CSRC_R4K 2831097c6acSYoichi Yuasa select CEVT_GT641XX 2841da177e4SLinus Torvalds select DMA_NONCOHERENT 2851da177e4SLinus Torvalds select HW_HAS_PCI 286d865bea4SRalf Baechle select I8253 2871da177e4SLinus Torvalds select I8259 28867e38cf2SRalf Baechle select IRQ_MIPS_CPU 289d5ab1a69SYoichi Yuasa select IRQ_GT641XX 290252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 291e25bfc92SYoichi Yuasa select PCI 2927cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2930a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 294ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2950e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2965e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 297e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2981da177e4SLinus Torvalds 2991da177e4SLinus Torvaldsconfig MACH_DECSTATION 3003fa986faSMartin Michlmayr bool "DECstations" 3011da177e4SLinus Torvalds select BOOT_ELF32 3026457d9fcSYoichi Yuasa select CEVT_DS1287 30381d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3044247417dSYoichi Yuasa select CSRC_IOASIC 30581d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 30620d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 30720d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 30820d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3091da177e4SLinus Torvalds select DMA_NONCOHERENT 310ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 31167e38cf2SRalf Baechle select IRQ_MIPS_CPU 3127cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3137cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 314ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3157d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3165e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3171723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3181723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3191723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 320930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3215e83d430SRalf Baechle help 3221da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3231da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3241da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3251da177e4SLinus Torvalds 3261da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3271da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3281da177e4SLinus Torvalds 3291da177e4SLinus Torvalds DECstation 5000/50 3301da177e4SLinus Torvalds DECstation 5000/150 3311da177e4SLinus Torvalds DECstation 5000/260 3321da177e4SLinus Torvalds DECsystem 5900/260 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds otherwise choose R3000. 3351da177e4SLinus Torvalds 3365e83d430SRalf Baechleconfig MACH_JAZZ 3373fa986faSMartin Michlmayr bool "Jazz family of machines" 3380e2794b0SRalf Baechle select FW_ARC 3390e2794b0SRalf Baechle select FW_ARC32 3405e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 34142f77542SRalf Baechle select CEVT_R4K 342940f6b48SRalf Baechle select CSRC_R4K 343e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3445e83d430SRalf Baechle select GENERIC_ISA_DMA 3458a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 34667e38cf2SRalf Baechle select IRQ_MIPS_CPU 347d865bea4SRalf Baechle select I8253 3485e83d430SRalf Baechle select I8259 3495e83d430SRalf Baechle select ISA 3507cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3515e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3527d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3531723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3541da177e4SLinus Torvalds help 3555e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3565e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 357692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3585e83d430SRalf Baechle Olivetti M700-10 workstations. 3595e83d430SRalf Baechle 360de361e8bSPaul Burtonconfig MACH_INGENIC 361de361e8bSPaul Burton bool "Ingenic SoC based machines" 3625ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3635ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 364f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3655ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 36667e38cf2SRalf Baechle select IRQ_MIPS_CPU 367d30a2b47SLinus Walleij select GPIOLIB 368ff1930c6SPaul Burton select COMMON_CLK 36983bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 370ffb1843dSPaul Burton select BUILTIN_DTB 371ffb1843dSPaul Burton select USE_OF 3726ec127fbSPaul Burton select LIBFDT 3735ebabe59SLars-Peter Clausen 374171bb2f1SJohn Crispinconfig LANTIQ 375171bb2f1SJohn Crispin bool "Lantiq based platforms" 376171bb2f1SJohn Crispin select DMA_NONCOHERENT 37767e38cf2SRalf Baechle select IRQ_MIPS_CPU 378171bb2f1SJohn Crispin select CEVT_R4K 379171bb2f1SJohn Crispin select CSRC_R4K 380171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 381171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 382171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 383171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 384377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 385171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 386171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 387d30a2b47SLinus Walleij select GPIOLIB 388171bb2f1SJohn Crispin select SWAP_IO_SPACE 389171bb2f1SJohn Crispin select BOOT_RAW 390287e3f3fSJohn Crispin select CLKDEV_LOOKUP 391a0392222SJohn Crispin select USE_OF 3923f8c50c9SJohn Crispin select PINCTRL 3933f8c50c9SJohn Crispin select PINCTRL_LANTIQ 394c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 395c530781cSJohn Crispin select RESET_CONTROLLER 396171bb2f1SJohn Crispin 3971f21d2bdSBrian Murphyconfig LASAT 3981f21d2bdSBrian Murphy bool "LASAT Networks platforms" 39942f77542SRalf Baechle select CEVT_R4K 40016f0bbbcSRalf Baechle select CRC32 401940f6b48SRalf Baechle select CSRC_R4K 4021f21d2bdSBrian Murphy select DMA_NONCOHERENT 4031f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 4041f21d2bdSBrian Murphy select HW_HAS_PCI 40567e38cf2SRalf Baechle select IRQ_MIPS_CPU 4061f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4071f21d2bdSBrian Murphy select MIPS_NILE4 4081f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4091f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4101f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4111f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4121f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4131f21d2bdSBrian Murphy 41430ad29bbSHuacai Chenconfig MACH_LOONGSON32 41530ad29bbSHuacai Chen bool "Loongson-1 family of machines" 416c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 417ade299d8SYoichi Yuasa help 41830ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 41985749d24SWu Zhangjin 42030ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 42130ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 42230ad29bbSHuacai Chen Sciences (CAS). 423ade299d8SYoichi Yuasa 42430ad29bbSHuacai Chenconfig MACH_LOONGSON64 42530ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 426ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 427ca585cf9SKelvin Cheung help 42830ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 429ca585cf9SKelvin Cheung 43030ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 43130ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 43230ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 43330ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 43430ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 43530ad29bbSHuacai Chen Weiwu Hu. 436ca585cf9SKelvin Cheung 4376a438309SAndrew Brestickerconfig MACH_PISTACHIO 4386a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4396a438309SAndrew Bresticker select BOOT_ELF32 4406a438309SAndrew Bresticker select BOOT_RAW 4416a438309SAndrew Bresticker select CEVT_R4K 4426a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4436a438309SAndrew Bresticker select COMMON_CLK 4446a438309SAndrew Bresticker select CSRC_R4K 445645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 446d30a2b47SLinus Walleij select GPIOLIB 44767e38cf2SRalf Baechle select IRQ_MIPS_CPU 4486a438309SAndrew Bresticker select LIBFDT 4496a438309SAndrew Bresticker select MFD_SYSCON 4506a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4516a438309SAndrew Bresticker select MIPS_GIC 4526a438309SAndrew Bresticker select PINCTRL 4536a438309SAndrew Bresticker select REGULATOR 4546a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4556a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4566a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4576a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4586a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 45941cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4606a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 461018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 462018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4636a438309SAndrew Bresticker select USE_OF 4646a438309SAndrew Bresticker help 4656a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4666a438309SAndrew Bresticker 4679937f5ffSZubair Lutfullah Kakakhelconfig MACH_XILFPGA 4689937f5ffSZubair Lutfullah Kakakhel bool "MIPSfpga Xilinx based boards" 4699937f5ffSZubair Lutfullah Kakakhel select BOOT_ELF32 4709937f5ffSZubair Lutfullah Kakakhel select BOOT_RAW 4719937f5ffSZubair Lutfullah Kakakhel select BUILTIN_DTB 4729937f5ffSZubair Lutfullah Kakakhel select CEVT_R4K 4739937f5ffSZubair Lutfullah Kakakhel select COMMON_CLK 4749937f5ffSZubair Lutfullah Kakakhel select CSRC_R4K 475d30a2b47SLinus Walleij select GPIOLIB 4769937f5ffSZubair Lutfullah Kakakhel select IRQ_MIPS_CPU 4779937f5ffSZubair Lutfullah Kakakhel select LIBFDT 4789937f5ffSZubair Lutfullah Kakakhel select MIPS_CPU_SCACHE 4799937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_EARLY_PRINTK 4809937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_CPU_MIPS32_R2 4819937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_32BIT_KERNEL 4829937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_LITTLE_ENDIAN 4839937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_ZBOOT_UART16550 4849937f5ffSZubair Lutfullah Kakakhel select USE_OF 4859937f5ffSZubair Lutfullah Kakakhel select USE_GENERIC_EARLY_PRINTK_8250 48679a93295SZubair Lutfullah Kakakhel select XILINX_INTC 4879937f5ffSZubair Lutfullah Kakakhel help 4889937f5ffSZubair Lutfullah Kakakhel This enables support for the IMG University Program MIPSfpga platform. 4899937f5ffSZubair Lutfullah Kakakhel 4901da177e4SLinus Torvaldsconfig MIPS_MALTA 4913fa986faSMartin Michlmayr bool "MIPS Malta board" 49261ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 4931da177e4SLinus Torvalds select BOOT_ELF32 494fa71c960SRalf Baechle select BOOT_RAW 495e8823d26SPaul Burton select BUILTIN_DTB 49642f77542SRalf Baechle select CEVT_R4K 497940f6b48SRalf Baechle select CSRC_R4K 498fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 49942b002abSGuenter Roeck select COMMON_CLK 500885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5011da177e4SLinus Torvalds select GENERIC_ISA_DMA 5028a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 50367e38cf2SRalf Baechle select IRQ_MIPS_CPU 5048a19b8f1SAndrew Bresticker select MIPS_GIC 5051da177e4SLinus Torvalds select HW_HAS_PCI 506d865bea4SRalf Baechle select I8253 5071da177e4SLinus Torvalds select I8259 5085e83d430SRalf Baechle select MIPS_BONITO64 5099318c51aSChris Dearman select MIPS_CPU_SCACHE 510a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 511252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 5125e83d430SRalf Baechle select MIPS_MSC 513ecafe3e9SPaul Burton select SMP_UP if SMP 5141da177e4SLinus Torvalds select SWAP_IO_SPACE 5157cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5167cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 517bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 518c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 519575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5207cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5215d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 522575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5237cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5247cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 525ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 526ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5275e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 528c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5295e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 530424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 5310365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 532e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 533377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 534f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 5359693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 5361b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 5378c530ea3SMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 538e8823d26SPaul Burton select USE_OF 53938ec82feSPaul Burton select LIBFDT 540abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 541e81a8c7dSPaul Burton select BUILTIN_DTB 542e81a8c7dSPaul Burton select LIBFDT 5431da177e4SLinus Torvalds help 544f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5451da177e4SLinus Torvalds board. 5461da177e4SLinus Torvalds 5472572f00dSJoshua Hendersonconfig MACH_PIC32 5482572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5492572f00dSJoshua Henderson help 5502572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5512572f00dSJoshua Henderson 5522572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5532572f00dSJoshua Henderson microcontrollers. 5542572f00dSJoshua Henderson 555a83860c2SRalf Baechleconfig NEC_MARKEINS 556a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 557a83860c2SRalf Baechle select SOC_EMMA2RH 558a83860c2SRalf Baechle select HW_HAS_PCI 559a83860c2SRalf Baechle help 560a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 561ade299d8SYoichi Yuasa 5625e83d430SRalf Baechleconfig MACH_VR41XX 56374142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 56442f77542SRalf Baechle select CEVT_R4K 565940f6b48SRalf Baechle select CSRC_R4K 5667cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 567377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 568d30a2b47SLinus Walleij select GPIOLIB 5695e83d430SRalf Baechle 570edb6310aSDaniel Lairdconfig NXP_STB220 571edb6310aSDaniel Laird bool "NXP STB220 board" 572edb6310aSDaniel Laird select SOC_PNX833X 573edb6310aSDaniel Laird help 574edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 575edb6310aSDaniel Laird 576edb6310aSDaniel Lairdconfig NXP_STB225 577edb6310aSDaniel Laird bool "NXP 225 board" 578edb6310aSDaniel Laird select SOC_PNX833X 579edb6310aSDaniel Laird select SOC_PNX8335 580edb6310aSDaniel Laird help 581edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 582edb6310aSDaniel Laird 5839267a30dSMarc St-Jeanconfig PMC_MSP 5849267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 58539d30c13SAnoop P A select CEVT_R4K 58639d30c13SAnoop P A select CSRC_R4K 5879267a30dSMarc St-Jean select DMA_NONCOHERENT 5889267a30dSMarc St-Jean select SWAP_IO_SPACE 5899267a30dSMarc St-Jean select NO_EXCEPT_FILL 5909267a30dSMarc St-Jean select BOOT_RAW 5919267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5929267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5939267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5949267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 595377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 59667e38cf2SRalf Baechle select IRQ_MIPS_CPU 5979267a30dSMarc St-Jean select SERIAL_8250 5989267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5999296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6009296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6019267a30dSMarc St-Jean help 6029267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6039267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6049267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6059267a30dSMarc St-Jean a variety of MIPS cores. 6069267a30dSMarc St-Jean 607ae2b5bb6SJohn Crispinconfig RALINK 608ae2b5bb6SJohn Crispin bool "Ralink based machines" 609ae2b5bb6SJohn Crispin select CEVT_R4K 610ae2b5bb6SJohn Crispin select CSRC_R4K 611ae2b5bb6SJohn Crispin select BOOT_RAW 612ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61367e38cf2SRalf Baechle select IRQ_MIPS_CPU 614ae2b5bb6SJohn Crispin select USE_OF 615ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 616ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 617ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 618ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 619377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 620ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 621ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6222a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6232a153f1cSJohn Crispin select RESET_CONTROLLER 624ae2b5bb6SJohn Crispin 6251da177e4SLinus Torvaldsconfig SGI_IP22 6263fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6270e2794b0SRalf Baechle select FW_ARC 6280e2794b0SRalf Baechle select FW_ARC32 6291da177e4SLinus Torvalds select BOOT_ELF32 63042f77542SRalf Baechle select CEVT_R4K 631940f6b48SRalf Baechle select CSRC_R4K 632e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6331da177e4SLinus Torvalds select DMA_NONCOHERENT 6345e83d430SRalf Baechle select HW_HAS_EISA 635d865bea4SRalf Baechle select I8253 63668de4803SThomas Bogendoerfer select I8259 6371da177e4SLinus Torvalds select IP22_CPU_SCACHE 63867e38cf2SRalf Baechle select IRQ_MIPS_CPU 639aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 640e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 641e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 64236e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 643e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 644e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 645e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6461da177e4SLinus Torvalds select SWAP_IO_SPACE 6477cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6487cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6492b5e63f6SMartin Michlmayr # 6502b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6512b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6522b5e63f6SMartin Michlmayr # 6532b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6542b5e63f6SMartin Michlmayr # for a more details discussion 6552b5e63f6SMartin Michlmayr # 6562b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 657ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 658ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6595e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 660930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6611da177e4SLinus Torvalds help 6621da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6631da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6641da177e4SLinus Torvalds that runs on these, say Y here. 6651da177e4SLinus Torvalds 6661da177e4SLinus Torvaldsconfig SGI_IP27 6673fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6680e2794b0SRalf Baechle select FW_ARC 6690e2794b0SRalf Baechle select FW_ARC64 6705e83d430SRalf Baechle select BOOT_ELF64 671e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 672634286f1SRalf Baechle select DMA_COHERENT 67336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6741da177e4SLinus Torvalds select HW_HAS_PCI 675130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6767cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 677ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6785e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 679d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6801a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 681930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6821da177e4SLinus Torvalds help 6831da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6841da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6851da177e4SLinus Torvalds here. 6861da177e4SLinus Torvalds 687e2defae5SThomas Bogendoerferconfig SGI_IP28 6887d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6890e2794b0SRalf Baechle select FW_ARC 6900e2794b0SRalf Baechle select FW_ARC64 691e2defae5SThomas Bogendoerfer select BOOT_ELF64 692e2defae5SThomas Bogendoerfer select CEVT_R4K 693e2defae5SThomas Bogendoerfer select CSRC_R4K 694e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 695e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 696e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 69767e38cf2SRalf Baechle select IRQ_MIPS_CPU 698e2defae5SThomas Bogendoerfer select HW_HAS_EISA 699e2defae5SThomas Bogendoerfer select I8253 700e2defae5SThomas Bogendoerfer select I8259 701e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 702e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7035b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 704e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 705e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 706e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 707e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 708e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7092b5e63f6SMartin Michlmayr # 7102b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7112b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7122b5e63f6SMartin Michlmayr # 7132b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7142b5e63f6SMartin Michlmayr # for a more details discussion 7152b5e63f6SMartin Michlmayr # 7162b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 717e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 718e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 719dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 720e2defae5SThomas Bogendoerfer help 721e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 722e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 723e2defae5SThomas Bogendoerfer 7241da177e4SLinus Torvaldsconfig SGI_IP32 725cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 7260e2794b0SRalf Baechle select FW_ARC 7270e2794b0SRalf Baechle select FW_ARC32 7281da177e4SLinus Torvalds select BOOT_ELF32 72942f77542SRalf Baechle select CEVT_R4K 730940f6b48SRalf Baechle select CSRC_R4K 7311da177e4SLinus Torvalds select DMA_NONCOHERENT 7321da177e4SLinus Torvalds select HW_HAS_PCI 73367e38cf2SRalf Baechle select IRQ_MIPS_CPU 7341da177e4SLinus Torvalds select R5000_CPU_SCACHE 7351da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7367cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7377cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7387cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 739dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 740ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7415e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7421da177e4SLinus Torvalds help 7431da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7441da177e4SLinus Torvalds 745ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 746ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7475e83d430SRalf Baechle select BOOT_ELF32 7485e83d430SRalf Baechle select DMA_COHERENT 7495e83d430SRalf Baechle select SIBYTE_BCM1120 7505e83d430SRalf Baechle select SWAP_IO_SPACE 7517cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7525e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7535e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7545e83d430SRalf Baechle 755ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 756ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7575e83d430SRalf Baechle select BOOT_ELF32 7585e83d430SRalf Baechle select DMA_COHERENT 7595e83d430SRalf Baechle select SIBYTE_BCM1120 7605e83d430SRalf Baechle select SWAP_IO_SPACE 7617cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7625e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7635e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7645e83d430SRalf Baechle 7655e83d430SRalf Baechleconfig SIBYTE_CRHONE 7663fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7675e83d430SRalf Baechle select BOOT_ELF32 7685e83d430SRalf Baechle select DMA_COHERENT 7695e83d430SRalf Baechle select SIBYTE_BCM1125 7705e83d430SRalf Baechle select SWAP_IO_SPACE 7717cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7725e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7735e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7745e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7755e83d430SRalf Baechle 776ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 777ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 778ade299d8SYoichi Yuasa select BOOT_ELF32 779ade299d8SYoichi Yuasa select DMA_COHERENT 780ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 781ade299d8SYoichi Yuasa select SWAP_IO_SPACE 782ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 783ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 784ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 785ade299d8SYoichi Yuasa 786ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 787ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 788ade299d8SYoichi Yuasa select BOOT_ELF32 789ade299d8SYoichi Yuasa select DMA_COHERENT 790fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 791ade299d8SYoichi Yuasa select SIBYTE_SB1250 792ade299d8SYoichi Yuasa select SWAP_IO_SPACE 793ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 794ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 795ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 796ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 797cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 798ade299d8SYoichi Yuasa 799ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 800ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 801ade299d8SYoichi Yuasa select BOOT_ELF32 802ade299d8SYoichi Yuasa select DMA_COHERENT 803fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 804ade299d8SYoichi Yuasa select SIBYTE_SB1250 805ade299d8SYoichi Yuasa select SWAP_IO_SPACE 806ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 807ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 808ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 809ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 810ade299d8SYoichi Yuasa 811ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 812ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 813ade299d8SYoichi Yuasa select BOOT_ELF32 814ade299d8SYoichi Yuasa select DMA_COHERENT 815ade299d8SYoichi Yuasa select SIBYTE_SB1250 816ade299d8SYoichi Yuasa select SWAP_IO_SPACE 817ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 818ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 819ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 820ade299d8SYoichi Yuasa 821ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 822ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 823ade299d8SYoichi Yuasa select BOOT_ELF32 824ade299d8SYoichi Yuasa select DMA_COHERENT 825ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 826ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 827ade299d8SYoichi Yuasa select SWAP_IO_SPACE 828ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 829ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 830651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 831ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 832cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 833ade299d8SYoichi Yuasa 83414b36af4SThomas Bogendoerferconfig SNI_RM 83514b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8360e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8370e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 838aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8395e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 8405e83d430SRalf Baechle select BOOT_ELF32 84142f77542SRalf Baechle select CEVT_R4K 842940f6b48SRalf Baechle select CSRC_R4K 843e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8445e83d430SRalf Baechle select DMA_NONCOHERENT 8455e83d430SRalf Baechle select GENERIC_ISA_DMA 8468a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8475e83d430SRalf Baechle select HW_HAS_EISA 8485e83d430SRalf Baechle select HW_HAS_PCI 84967e38cf2SRalf Baechle select IRQ_MIPS_CPU 850d865bea4SRalf Baechle select I8253 8515e83d430SRalf Baechle select I8259 8525e83d430SRalf Baechle select ISA 8534a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8547cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8554a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 856c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8574a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 85836a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 859ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8607d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8614a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8625e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8635e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8641da177e4SLinus Torvalds help 86514b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 86614b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8675e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8685e83d430SRalf Baechle support this machine type. 8691da177e4SLinus Torvalds 870edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 871edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8725e83d430SRalf Baechle 873edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 874edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 87523fbee9dSRalf Baechle 87673b4390fSRalf Baechleconfig MIKROTIK_RB532 87773b4390fSRalf Baechle bool "Mikrotik RB532 boards" 87873b4390fSRalf Baechle select CEVT_R4K 87973b4390fSRalf Baechle select CSRC_R4K 88073b4390fSRalf Baechle select DMA_NONCOHERENT 88173b4390fSRalf Baechle select HW_HAS_PCI 88267e38cf2SRalf Baechle select IRQ_MIPS_CPU 88373b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 88473b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 88573b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 88673b4390fSRalf Baechle select SWAP_IO_SPACE 88773b4390fSRalf Baechle select BOOT_RAW 888d30a2b47SLinus Walleij select GPIOLIB 889930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 89073b4390fSRalf Baechle help 89173b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 89273b4390fSRalf Baechle based on the IDT RC32434 SoC. 89373b4390fSRalf Baechle 8949ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8959ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 896a86c7f72SDavid Daney select CEVT_R4K 89734adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 898a86c7f72SDavid Daney select DMA_COHERENT 899a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 900a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 901f65aad41SRalf Baechle select EDAC_SUPPORT 902b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 90373569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 90473569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 905a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9065e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 907e8635b48SDavid Daney select HW_HAS_PCI 908f00e001eSDavid Daney select ZONE_DMA32 909465aaed0SDavid Daney select HOLES_IN_ZONE 910d30a2b47SLinus Walleij select GPIOLIB 9116e511163SDavid Daney select LIBFDT 9126e511163SDavid Daney select USE_OF 9136e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9146e511163SDavid Daney select SYS_SUPPORTS_SMP 9156e511163SDavid Daney select NR_CPUS_DEFAULT_16 916e326479fSAndrew Bresticker select BUILTIN_DTB 9178c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 9183ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 919a86c7f72SDavid Daney help 920a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 921a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 922a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 923a86c7f72SDavid Daney Some of the supported boards are: 924a86c7f72SDavid Daney EBT3000 925a86c7f72SDavid Daney EBH3000 926a86c7f72SDavid Daney EBH3100 927a86c7f72SDavid Daney Thunder 928a86c7f72SDavid Daney Kodama 929a86c7f72SDavid Daney Hikari 930a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 931a86c7f72SDavid Daney 9327f058e85SJayachandran Cconfig NLM_XLR_BOARD 9337f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9347f058e85SJayachandran C select BOOT_ELF32 9357f058e85SJayachandran C select NLM_COMMON 9367f058e85SJayachandran C select SYS_HAS_CPU_XLR 9377f058e85SJayachandran C select SYS_SUPPORTS_SMP 9387f058e85SJayachandran C select HW_HAS_PCI 9397f058e85SJayachandran C select SWAP_IO_SPACE 9407f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9417f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 94234adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 9437f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9447f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9457f058e85SJayachandran C select DMA_COHERENT 9467f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9477f058e85SJayachandran C select CEVT_R4K 9487f058e85SJayachandran C select CSRC_R4K 94967e38cf2SRalf Baechle select IRQ_MIPS_CPU 950b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9517f058e85SJayachandran C select SYNC_R4K 9527f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9538f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9548f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9557f058e85SJayachandran C help 9567f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9577f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9587f058e85SJayachandran C 9591c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9601c773ea4SJayachandran C bool "Netlogic XLP based systems" 9611c773ea4SJayachandran C select BOOT_ELF32 9621c773ea4SJayachandran C select NLM_COMMON 9631c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9641c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9651c773ea4SJayachandran C select HW_HAS_PCI 9661c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9671c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 96834adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 969d30a2b47SLinus Walleij select GPIOLIB 9701c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9711c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9721c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9731c773ea4SJayachandran C select DMA_COHERENT 9741c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9751c773ea4SJayachandran C select CEVT_R4K 9761c773ea4SJayachandran C select CSRC_R4K 97767e38cf2SRalf Baechle select IRQ_MIPS_CPU 978b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9791c773ea4SJayachandran C select SYNC_R4K 9801c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9812f6528e1SJayachandran C select USE_OF 9828f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9838f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9841c773ea4SJayachandran C help 9851c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9861c773ea4SJayachandran C Say Y here if you have a XLP based board. 9871c773ea4SJayachandran C 9889bc463beSDavid Daneyconfig MIPS_PARAVIRT 9899bc463beSDavid Daney bool "Para-Virtualized guest system" 9909bc463beSDavid Daney select CEVT_R4K 9919bc463beSDavid Daney select CSRC_R4K 9929bc463beSDavid Daney select DMA_COHERENT 9939bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9949bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9959bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9969bc463beSDavid Daney select SYS_SUPPORTS_SMP 9979bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9989bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9999bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10009bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10019bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 10029bc463beSDavid Daney select HW_HAS_PCI 10039bc463beSDavid Daney select SWAP_IO_SPACE 10049bc463beSDavid Daney help 10059bc463beSDavid Daney This option supports guest running under ???? 10069bc463beSDavid Daney 10071da177e4SLinus Torvaldsendchoice 10081da177e4SLinus Torvalds 1009e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10103b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1011d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1012a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1013e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10148945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1015eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10165e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10175ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10188ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10191f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10202572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1021af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10220f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1023ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 102429c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 102538b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 102622b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10275e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1028a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 102930ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 103030ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10317f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1032ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 10339937f5ffSZubair Lutfullah Kakakhelsource "arch/mips/xilfpga/Kconfig" 103438b18f72SRalf Baechle 10355e83d430SRalf Baechleendmenu 10365e83d430SRalf Baechle 10371da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10381da177e4SLinus Torvalds bool 10391da177e4SLinus Torvalds default y 10401da177e4SLinus Torvalds 10411da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10421da177e4SLinus Torvalds bool 10431da177e4SLinus Torvalds 1044f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 1045f0d1b0b3SDavid Howells bool 1046f0d1b0b3SDavid Howells default n 1047f0d1b0b3SDavid Howells 1048f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 1049f0d1b0b3SDavid Howells bool 1050f0d1b0b3SDavid Howells default n 1051f0d1b0b3SDavid Howells 10523c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10533c9ee7efSAkinobu Mita bool 10543c9ee7efSAkinobu Mita default y 10553c9ee7efSAkinobu Mita 10561da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10571da177e4SLinus Torvalds bool 10581da177e4SLinus Torvalds default y 10591da177e4SLinus Torvalds 1060ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10611cc89038SAtsushi Nemoto bool 10621cc89038SAtsushi Nemoto default y 10631cc89038SAtsushi Nemoto 10641da177e4SLinus Torvalds# 10651da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10661da177e4SLinus Torvalds# 10670e2794b0SRalf Baechleconfig FW_ARC 10681da177e4SLinus Torvalds bool 10691da177e4SLinus Torvalds 107061ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 107161ed242dSRalf Baechle bool 107261ed242dSRalf Baechle 10739267a30dSMarc St-Jeanconfig BOOT_RAW 10749267a30dSMarc St-Jean bool 10759267a30dSMarc St-Jean 1076217dd11eSRalf Baechleconfig CEVT_BCM1480 1077217dd11eSRalf Baechle bool 1078217dd11eSRalf Baechle 10796457d9fcSYoichi Yuasaconfig CEVT_DS1287 10806457d9fcSYoichi Yuasa bool 10816457d9fcSYoichi Yuasa 10821097c6acSYoichi Yuasaconfig CEVT_GT641XX 10831097c6acSYoichi Yuasa bool 10841097c6acSYoichi Yuasa 108542f77542SRalf Baechleconfig CEVT_R4K 108642f77542SRalf Baechle bool 108742f77542SRalf Baechle 1088217dd11eSRalf Baechleconfig CEVT_SB1250 1089217dd11eSRalf Baechle bool 1090217dd11eSRalf Baechle 1091229f773eSAtsushi Nemotoconfig CEVT_TXX9 1092229f773eSAtsushi Nemoto bool 1093229f773eSAtsushi Nemoto 1094217dd11eSRalf Baechleconfig CSRC_BCM1480 1095217dd11eSRalf Baechle bool 1096217dd11eSRalf Baechle 10974247417dSYoichi Yuasaconfig CSRC_IOASIC 10984247417dSYoichi Yuasa bool 10994247417dSYoichi Yuasa 1100940f6b48SRalf Baechleconfig CSRC_R4K 1101940f6b48SRalf Baechle bool 1102940f6b48SRalf Baechle 1103217dd11eSRalf Baechleconfig CSRC_SB1250 1104217dd11eSRalf Baechle bool 1105217dd11eSRalf Baechle 1106a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1107a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1108a7f4df4eSAlex Smith 1109a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1110d30a2b47SLinus Walleij select GPIOLIB 1111a9aec7feSAtsushi Nemoto bool 1112a9aec7feSAtsushi Nemoto 11130e2794b0SRalf Baechleconfig FW_CFE 1114df78b5c8SAurelien Jarno bool 1115df78b5c8SAurelien Jarno 11164bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 111734adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 11184bafad92SFUJITA Tomonori 111940e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 112040e084a5SRalf Baechle bool 112140e084a5SRalf Baechle 1122885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1123885014bcSFelix Fietkau select DMA_NONCOHERENT 1124885014bcSFelix Fietkau bool 1125885014bcSFelix Fietkau 112620d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 112720d33064SPaul Burton bool 112820d33064SPaul Burton select DMA_MAYBE_COHERENT 112920d33064SPaul Burton 11301da177e4SLinus Torvaldsconfig DMA_COHERENT 11311da177e4SLinus Torvalds bool 11321da177e4SLinus Torvalds 11331da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11341da177e4SLinus Torvalds bool 1135e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 11364ce588cdSRalf Baechle 1137e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 11384ce588cdSRalf Baechle bool 11391da177e4SLinus Torvalds 114036a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11411da177e4SLinus Torvalds bool 11421da177e4SLinus Torvalds 11431b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1144dbb74540SRalf Baechle bool 1145dbb74540SRalf Baechle 11461da177e4SLinus Torvaldsconfig MIPS_BONITO64 11471da177e4SLinus Torvalds bool 11481da177e4SLinus Torvalds 11491da177e4SLinus Torvaldsconfig MIPS_MSC 11501da177e4SLinus Torvalds bool 11511da177e4SLinus Torvalds 11521f21d2bdSBrian Murphyconfig MIPS_NILE4 11531f21d2bdSBrian Murphy bool 11541f21d2bdSBrian Murphy 115539b8d525SRalf Baechleconfig SYNC_R4K 115639b8d525SRalf Baechle bool 115739b8d525SRalf Baechle 1158487d70d0SGabor Juhosconfig MIPS_MACHINE 1159487d70d0SGabor Juhos def_bool n 1160487d70d0SGabor Juhos 1161ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1162d388d685SMaciej W. Rozycki def_bool n 1163d388d685SMaciej W. Rozycki 11644e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11654e0748f5SMarkos Chandras bool 11664e0748f5SMarkos Chandras 11678313da30SRalf Baechleconfig GENERIC_ISA_DMA 11688313da30SRalf Baechle bool 11698313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1170a35bee8aSNamhyung Kim select ISA_DMA_API 11718313da30SRalf Baechle 1172aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1173aa414dffSRalf Baechle bool 11748313da30SRalf Baechle select GENERIC_ISA_DMA 1175aa414dffSRalf Baechle 1176a35bee8aSNamhyung Kimconfig ISA_DMA_API 1177a35bee8aSNamhyung Kim bool 1178a35bee8aSNamhyung Kim 1179465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1180465aaed0SDavid Daney bool 1181465aaed0SDavid Daney 11828c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11838c530ea3SMatt Redfearn bool 11848c530ea3SMatt Redfearn help 11858c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11868c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11878c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11888c530ea3SMatt Redfearn 11895e83d430SRalf Baechle# 11906b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11915e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11925e83d430SRalf Baechle# choice statement should be more obvious to the user. 11935e83d430SRalf Baechle# 11945e83d430SRalf Baechlechoice 11956b2aac42SMasanari Iida prompt "Endianness selection" 11961da177e4SLinus Torvalds help 11971da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11985e83d430SRalf Baechle byte order. These modes require different kernels and a different 11993cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12005e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12013dde6ad8SDavid Sterba one or the other endianness. 12025e83d430SRalf Baechle 12035e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12045e83d430SRalf Baechle bool "Big endian" 12055e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12065e83d430SRalf Baechle 12075e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12085e83d430SRalf Baechle bool "Little endian" 12095e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12105e83d430SRalf Baechle 12115e83d430SRalf Baechleendchoice 12125e83d430SRalf Baechle 121322b0763aSDavid Daneyconfig EXPORT_UASM 121422b0763aSDavid Daney bool 121522b0763aSDavid Daney 12162116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12172116245eSRalf Baechle bool 12182116245eSRalf Baechle 12195e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12205e83d430SRalf Baechle bool 12215e83d430SRalf Baechle 12225e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12235e83d430SRalf Baechle bool 12241da177e4SLinus Torvalds 12259cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12269cffd154SDavid Daney bool 12279cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12289cffd154SDavid Daney default y 12299cffd154SDavid Daney 1230aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1231aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1232aa1762f4SDavid Daney 12331da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12341da177e4SLinus Torvalds bool 12351da177e4SLinus Torvalds 12369267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12379267a30dSMarc St-Jean bool 12389267a30dSMarc St-Jean 12399267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12409267a30dSMarc St-Jean bool 12419267a30dSMarc St-Jean 12428420fd00SAtsushi Nemotoconfig IRQ_TXX9 12438420fd00SAtsushi Nemoto bool 12448420fd00SAtsushi Nemoto 1245d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1246d5ab1a69SYoichi Yuasa bool 1247d5ab1a69SYoichi Yuasa 1248252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12491da177e4SLinus Torvalds bool 12501da177e4SLinus Torvalds 12519267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12529267a30dSMarc St-Jean bool 12539267a30dSMarc St-Jean 1254a83860c2SRalf Baechleconfig SOC_EMMA2RH 1255a83860c2SRalf Baechle bool 1256a83860c2SRalf Baechle select CEVT_R4K 1257a83860c2SRalf Baechle select CSRC_R4K 1258a83860c2SRalf Baechle select DMA_NONCOHERENT 125967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1260a83860c2SRalf Baechle select SWAP_IO_SPACE 1261a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1262a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1263a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1264a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1265a83860c2SRalf Baechle 1266edb6310aSDaniel Lairdconfig SOC_PNX833X 1267edb6310aSDaniel Laird bool 1268edb6310aSDaniel Laird select CEVT_R4K 1269edb6310aSDaniel Laird select CSRC_R4K 127067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1271edb6310aSDaniel Laird select DMA_NONCOHERENT 1272edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1273edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1274edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1275edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1276377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1277edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1278edb6310aSDaniel Laird 1279edb6310aSDaniel Lairdconfig SOC_PNX8335 1280edb6310aSDaniel Laird bool 1281edb6310aSDaniel Laird select SOC_PNX833X 1282edb6310aSDaniel Laird 1283a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1284a7e07b1aSMarkos Chandras bool 1285a7e07b1aSMarkos Chandras 12861da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12871da177e4SLinus Torvalds bool 12881da177e4SLinus Torvalds 1289e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1290e2defae5SThomas Bogendoerfer bool 1291e2defae5SThomas Bogendoerfer 12925b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12935b438c44SThomas Bogendoerfer bool 12945b438c44SThomas Bogendoerfer 1295e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1296e2defae5SThomas Bogendoerfer bool 1297e2defae5SThomas Bogendoerfer 1298e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1299e2defae5SThomas Bogendoerfer bool 1300e2defae5SThomas Bogendoerfer 1301e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1302e2defae5SThomas Bogendoerfer bool 1303e2defae5SThomas Bogendoerfer 1304e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1305e2defae5SThomas Bogendoerfer bool 1306e2defae5SThomas Bogendoerfer 1307e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1308e2defae5SThomas Bogendoerfer bool 1309e2defae5SThomas Bogendoerfer 13100e2794b0SRalf Baechleconfig FW_ARC32 13115e83d430SRalf Baechle bool 13125e83d430SRalf Baechle 1313aaa9fad3SPaul Bolleconfig FW_SNIPROM 1314231a35d3SThomas Bogendoerfer bool 1315231a35d3SThomas Bogendoerfer 13161da177e4SLinus Torvaldsconfig BOOT_ELF32 13171da177e4SLinus Torvalds bool 13181da177e4SLinus Torvalds 1319930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1320930beb5aSFlorian Fainelli bool 1321930beb5aSFlorian Fainelli 1322930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1323930beb5aSFlorian Fainelli bool 1324930beb5aSFlorian Fainelli 1325930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1326930beb5aSFlorian Fainelli bool 1327930beb5aSFlorian Fainelli 1328930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1329930beb5aSFlorian Fainelli bool 1330930beb5aSFlorian Fainelli 13311da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13321da177e4SLinus Torvalds int 1333a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13345432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13355432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13365432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13371da177e4SLinus Torvalds default "5" 13381da177e4SLinus Torvalds 13391da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13401da177e4SLinus Torvalds bool 13411da177e4SLinus Torvalds 13421da177e4SLinus Torvaldsconfig ARC_CONSOLE 13431da177e4SLinus Torvalds bool "ARC console support" 1344e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13451da177e4SLinus Torvalds 13461da177e4SLinus Torvaldsconfig ARC_MEMORY 13471da177e4SLinus Torvalds bool 134814b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13491da177e4SLinus Torvalds default y 13501da177e4SLinus Torvalds 13511da177e4SLinus Torvaldsconfig ARC_PROMLIB 13521da177e4SLinus Torvalds bool 1353e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13541da177e4SLinus Torvalds default y 13551da177e4SLinus Torvalds 13560e2794b0SRalf Baechleconfig FW_ARC64 13571da177e4SLinus Torvalds bool 13581da177e4SLinus Torvalds 13591da177e4SLinus Torvaldsconfig BOOT_ELF64 13601da177e4SLinus Torvalds bool 13611da177e4SLinus Torvalds 13621da177e4SLinus Torvaldsmenu "CPU selection" 13631da177e4SLinus Torvalds 13641da177e4SLinus Torvaldschoice 13651da177e4SLinus Torvalds prompt "CPU type" 13661da177e4SLinus Torvalds default CPU_R4X00 13671da177e4SLinus Torvalds 13680e476d91SHuacai Chenconfig CPU_LOONGSON3 13690e476d91SHuacai Chen bool "Loongson 3 CPU" 13700e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 13710e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13720e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13730e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13740e476d91SHuacai Chen select WEAK_ORDERING 13750e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1376b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 1377d30a2b47SLinus Walleij select GPIOLIB 13780e476d91SHuacai Chen help 13790e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13800e476d91SHuacai Chen set with many extensions. 13810e476d91SHuacai Chen 13821e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13831e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13841e820da3SHuacai Chen default n 13851e820da3SHuacai Chen select CPU_MIPSR2 13861e820da3SHuacai Chen select CPU_HAS_PREFETCH 13871e820da3SHuacai Chen depends on CPU_LOONGSON3 13881e820da3SHuacai Chen help 13891e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13901e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13911e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 13921e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13931e820da3SHuacai Chen Fast TLB refill support, etc. 13941e820da3SHuacai Chen 13951e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13961e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13971e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 13981e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 13991e820da3SHuacai Chen 14003702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14013702bba5SWu Zhangjin bool "Loongson 2E" 14023702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14033702bba5SWu Zhangjin select CPU_LOONGSON2 14042a21c730SFuxin Zhang help 14052a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14062a21c730SFuxin Zhang with many extensions. 14072a21c730SFuxin Zhang 140825985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14096f7a251aSWu Zhangjin bonito64. 14106f7a251aSWu Zhangjin 14116f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14126f7a251aSWu Zhangjin bool "Loongson 2F" 14136f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14146f7a251aSWu Zhangjin select CPU_LOONGSON2 1415d30a2b47SLinus Walleij select GPIOLIB 14166f7a251aSWu Zhangjin help 14176f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14186f7a251aSWu Zhangjin with many extensions. 14196f7a251aSWu Zhangjin 14206f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14216f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14226f7a251aSWu Zhangjin Loongson2E. 14236f7a251aSWu Zhangjin 1424ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1425ca585cf9SKelvin Cheung bool "Loongson 1B" 1426ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1427ca585cf9SKelvin Cheung select CPU_LOONGSON1 14289ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1429ca585cf9SKelvin Cheung help 1430ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1431ca585cf9SKelvin Cheung release 2 instruction set. 1432ca585cf9SKelvin Cheung 143312e3280bSYang Lingconfig CPU_LOONGSON1C 143412e3280bSYang Ling bool "Loongson 1C" 143512e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 143612e3280bSYang Ling select CPU_LOONGSON1 143712e3280bSYang Ling select LEDS_GPIO_REGISTER 143812e3280bSYang Ling help 143912e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 144012e3280bSYang Ling release 2 instruction set. 144112e3280bSYang Ling 14426e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14436e760c8dSRalf Baechle bool "MIPS32 Release 1" 14447cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14456e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1446797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1447ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14486e760c8dSRalf Baechle help 14495e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14501e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14511e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14521e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14531e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14541e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14551e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14561e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14571e5f1caaSRalf Baechle performance. 14581e5f1caaSRalf Baechle 14591e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14601e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14617cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14621e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1463797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1464ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1465a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14662235a54dSSanjay Lal select HAVE_KVM 14671e5f1caaSRalf Baechle help 14685e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14696e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14706e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14716e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14726e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14731da177e4SLinus Torvalds 14747fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1475674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14767fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14777fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14787fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14797fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14807fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14814e0748f5SMarkos Chandras select GENERIC_CSUM 14827fd08ca5SLeonid Yegoshin select HAVE_KVM 14837fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14847fd08ca5SLeonid Yegoshin help 14857fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14867fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14877fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14887fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14897fd08ca5SLeonid Yegoshin 14906e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14916e760c8dSRalf Baechle bool "MIPS64 Release 1" 14927cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1493797798c1SRalf Baechle select CPU_HAS_PREFETCH 1494ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1495ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1496ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14979cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14986e760c8dSRalf Baechle help 14996e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15006e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15016e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15026e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15036e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15041e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15051e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15061e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15071e5f1caaSRalf Baechle performance. 15081e5f1caaSRalf Baechle 15091e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15101e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15117cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1512797798c1SRalf Baechle select CPU_HAS_PREFETCH 15131e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15141e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1515ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15169cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1517a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 151840a2df49SJames Hogan select HAVE_KVM 15191e5f1caaSRalf Baechle help 15201e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15211e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15221e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15231e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15241e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15251da177e4SLinus Torvalds 15267fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1527674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15287fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15297fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15307fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15317fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15327fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15337fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15344e0748f5SMarkos Chandras select GENERIC_CSUM 15352e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 153640a2df49SJames Hogan select HAVE_KVM 15377fd08ca5SLeonid Yegoshin help 15387fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15397fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15407fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15417fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15427fd08ca5SLeonid Yegoshin 15431da177e4SLinus Torvaldsconfig CPU_R3000 15441da177e4SLinus Torvalds bool "R3000" 15457cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1546f7062ddbSRalf Baechle select CPU_HAS_WB 1547ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1548797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15491da177e4SLinus Torvalds help 15501da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15511da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15521da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15531da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15541da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15551da177e4SLinus Torvalds try to recompile with R3000. 15561da177e4SLinus Torvalds 15571da177e4SLinus Torvaldsconfig CPU_TX39XX 15581da177e4SLinus Torvalds bool "R39XX" 15597cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1560ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15611da177e4SLinus Torvalds 15621da177e4SLinus Torvaldsconfig CPU_VR41XX 15631da177e4SLinus Torvalds bool "R41xx" 15647cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1565ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1566ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15671da177e4SLinus Torvalds help 15685e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15691da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15701da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15711da177e4SLinus Torvalds processor or vice versa. 15721da177e4SLinus Torvalds 15731da177e4SLinus Torvaldsconfig CPU_R4300 15741da177e4SLinus Torvalds bool "R4300" 15757cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1576ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1577ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15781da177e4SLinus Torvalds help 15791da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15801da177e4SLinus Torvalds 15811da177e4SLinus Torvaldsconfig CPU_R4X00 15821da177e4SLinus Torvalds bool "R4x00" 15837cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1584ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1585ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1586970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15871da177e4SLinus Torvalds help 15881da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15891da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15901da177e4SLinus Torvalds 15911da177e4SLinus Torvaldsconfig CPU_TX49XX 15921da177e4SLinus Torvalds bool "R49XX" 15937cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1594de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1595ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1597970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15981da177e4SLinus Torvalds 15991da177e4SLinus Torvaldsconfig CPU_R5000 16001da177e4SLinus Torvalds bool "R5000" 16017cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1602ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1603ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1604970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16051da177e4SLinus Torvalds help 16061da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16071da177e4SLinus Torvalds 16081da177e4SLinus Torvaldsconfig CPU_R5432 16091da177e4SLinus Torvalds bool "R5432" 16107cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 16115e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16125e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1613970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16141da177e4SLinus Torvalds 1615542c1020SShinya Kuribayashiconfig CPU_R5500 1616542c1020SShinya Kuribayashi bool "R5500" 1617542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1618542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1619542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16209cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1621542c1020SShinya Kuribayashi help 1622542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1623542c1020SShinya Kuribayashi instruction set. 1624542c1020SShinya Kuribayashi 16251da177e4SLinus Torvaldsconfig CPU_R6000 16261da177e4SLinus Torvalds bool "R6000" 16277cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1628ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 16291da177e4SLinus Torvalds help 16301da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1631c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 16321da177e4SLinus Torvalds 16331da177e4SLinus Torvaldsconfig CPU_NEVADA 16341da177e4SLinus Torvalds bool "RM52xx" 16357cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1636ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1637ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1638970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16391da177e4SLinus Torvalds help 16401da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16411da177e4SLinus Torvalds 16421da177e4SLinus Torvaldsconfig CPU_R8000 16431da177e4SLinus Torvalds bool "R8000" 16447cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 16455e83d430SRalf Baechle select CPU_HAS_PREFETCH 1646ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16471da177e4SLinus Torvalds help 16481da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 16491da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16501da177e4SLinus Torvalds 16511da177e4SLinus Torvaldsconfig CPU_R10000 16521da177e4SLinus Torvalds bool "R10000" 16537cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16545e83d430SRalf Baechle select CPU_HAS_PREFETCH 1655ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1656ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1657797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1658970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16591da177e4SLinus Torvalds help 16601da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16611da177e4SLinus Torvalds 16621da177e4SLinus Torvaldsconfig CPU_RM7000 16631da177e4SLinus Torvalds bool "RM7000" 16647cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16655e83d430SRalf Baechle select CPU_HAS_PREFETCH 1666ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1667ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1668797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1669970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvaldsconfig CPU_SB1 16721da177e4SLinus Torvalds bool "SB1" 16737cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1674ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1675ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1676797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1677970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16780004a9dfSRalf Baechle select WEAK_ORDERING 16791da177e4SLinus Torvalds 1680a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1681a86c7f72SDavid Daney bool "Cavium Octeon processor" 16825e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1683a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1684a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1685a86c7f72SDavid Daney select WEAK_ORDERING 1686a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16879cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1688df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1689df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1690930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1691a86c7f72SDavid Daney help 1692a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1693a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1694a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1695a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1696a86c7f72SDavid Daney 1697cd746249SJonas Gorskiconfig CPU_BMIPS 1698cd746249SJonas Gorski bool "Broadcom BMIPS" 1699cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1700cd746249SJonas Gorski select CPU_MIPS32 1701fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1702cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1703cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1704cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1705cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1706cd746249SJonas Gorski select DMA_NONCOHERENT 170767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1708cd746249SJonas Gorski select SWAP_IO_SPACE 1709cd746249SJonas Gorski select WEAK_ORDERING 1710c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 171169aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1712a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1713a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1714c1c0c461SKevin Cernekee help 1715fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1716c1c0c461SKevin Cernekee 17177f058e85SJayachandran Cconfig CPU_XLR 17187f058e85SJayachandran C bool "Netlogic XLR SoC" 17197f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 17207f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17217f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17227f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1723970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17247f058e85SJayachandran C select WEAK_ORDERING 17257f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17267f058e85SJayachandran C help 17277f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17281c773ea4SJayachandran C 17291c773ea4SJayachandran Cconfig CPU_XLP 17301c773ea4SJayachandran C bool "Netlogic XLP SoC" 17311c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17321c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17331c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17341c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17351c773ea4SJayachandran C select WEAK_ORDERING 17361c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17371c773ea4SJayachandran C select CPU_HAS_PREFETCH 1738d6504846SJayachandran C select CPU_MIPSR2 1739ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17402db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17411c773ea4SJayachandran C help 17421c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17431da177e4SLinus Torvaldsendchoice 17441da177e4SLinus Torvalds 1745a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1746a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1747a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17487fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1749a6e18781SLeonid Yegoshin help 1750a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1751a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1752a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1753a6e18781SLeonid Yegoshin 1754a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1755a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1756a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1757a6e18781SLeonid Yegoshin select EVA 1758a6e18781SLeonid Yegoshin default y 1759a6e18781SLeonid Yegoshin help 1760a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1761a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1762a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1763a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1764a6e18781SLeonid Yegoshin 1765c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1766c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1767c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1768c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1769c5b36783SSteven J. Hill help 1770c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1771c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1772c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1773c5b36783SSteven J. Hill 1774c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1775c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1776c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1777c5b36783SSteven J. Hill depends on !EVA 1778c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1779c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1780c5b36783SSteven J. Hill select XPA 1781c5b36783SSteven J. Hill select HIGHMEM 1782c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1783c5b36783SSteven J. Hill default n 1784c5b36783SSteven J. Hill help 1785c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1786c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1787c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1788c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1789c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1790c5b36783SSteven J. Hill If unsure, say 'N' here. 1791c5b36783SSteven J. Hill 1792622844bfSWu Zhangjinif CPU_LOONGSON2F 1793622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1794622844bfSWu Zhangjin bool 1795622844bfSWu Zhangjin 1796622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1797622844bfSWu Zhangjin bool 1798622844bfSWu Zhangjin 1799622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1800622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1801622844bfSWu Zhangjin default y 1802622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1803622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1804622844bfSWu Zhangjin help 1805622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1806622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1807622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1808622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1809622844bfSWu Zhangjin 1810622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1811622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1812622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1813622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1814622844bfSWu Zhangjin systems. 1815622844bfSWu Zhangjin 1816622844bfSWu Zhangjin If unsure, please say Y. 1817622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1818622844bfSWu Zhangjin 18191b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18201b93b3c3SWu Zhangjin bool 18211b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18221b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 182331c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18241b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1825fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18264e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18271b93b3c3SWu Zhangjin 18281b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18291b93b3c3SWu Zhangjin bool 18301b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18311b93b3c3SWu Zhangjin 1832dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1833dbb98314SAlban Bedel bool 1834dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1835dbb98314SAlban Bedel 18363702bba5SWu Zhangjinconfig CPU_LOONGSON2 18373702bba5SWu Zhangjin bool 18383702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18393702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18403702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1841970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18423702bba5SWu Zhangjin 1843ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1844ca585cf9SKelvin Cheung bool 1845ca585cf9SKelvin Cheung select CPU_MIPS32 1846ca585cf9SKelvin Cheung select CPU_MIPSR2 1847ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1848ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1849ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1850f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1851ca585cf9SKelvin Cheung 1852fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 185304fa8bf7SJonas Gorski select SMP_UP if SMP 18541bbb6c1bSKevin Cernekee bool 1855cd746249SJonas Gorski 1856cd746249SJonas Gorskiconfig CPU_BMIPS4350 1857cd746249SJonas Gorski bool 1858cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1859cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1860cd746249SJonas Gorski 1861cd746249SJonas Gorskiconfig CPU_BMIPS4380 1862cd746249SJonas Gorski bool 1863bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1864cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1865cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1866b4720809SFlorian Fainelli select CPU_HAS_RIXI 1867cd746249SJonas Gorski 1868cd746249SJonas Gorskiconfig CPU_BMIPS5000 1869cd746249SJonas Gorski bool 1870cd746249SJonas Gorski select MIPS_CPU_SCACHE 1871bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1872cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1873cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1874b4720809SFlorian Fainelli select CPU_HAS_RIXI 18751bbb6c1bSKevin Cernekee 18760e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18770e476d91SHuacai Chen bool 18780e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1879b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18800e476d91SHuacai Chen 18813702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18822a21c730SFuxin Zhang bool 18832a21c730SFuxin Zhang 18846f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18856f7a251aSWu Zhangjin bool 188655045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 188755045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 188822f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 18896f7a251aSWu Zhangjin 1890ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1891ca585cf9SKelvin Cheung bool 1892ca585cf9SKelvin Cheung 189312e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 189412e3280bSYang Ling bool 189512e3280bSYang Ling 18967cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18977cf8053bSRalf Baechle bool 18987cf8053bSRalf Baechle 18997cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19007cf8053bSRalf Baechle bool 19017cf8053bSRalf Baechle 1902a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1903a6e18781SLeonid Yegoshin bool 1904a6e18781SLeonid Yegoshin 1905c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1906c5b36783SSteven J. Hill bool 1907c5b36783SSteven J. Hill 19087fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19097fd08ca5SLeonid Yegoshin bool 19107fd08ca5SLeonid Yegoshin 19117cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19127cf8053bSRalf Baechle bool 19137cf8053bSRalf Baechle 19147cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19157cf8053bSRalf Baechle bool 19167cf8053bSRalf Baechle 19177fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19187fd08ca5SLeonid Yegoshin bool 19197fd08ca5SLeonid Yegoshin 19207cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19217cf8053bSRalf Baechle bool 19227cf8053bSRalf Baechle 19237cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19247cf8053bSRalf Baechle bool 19257cf8053bSRalf Baechle 19267cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19277cf8053bSRalf Baechle bool 19287cf8053bSRalf Baechle 19297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 19307cf8053bSRalf Baechle bool 19317cf8053bSRalf Baechle 19327cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19337cf8053bSRalf Baechle bool 19347cf8053bSRalf Baechle 19357cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19367cf8053bSRalf Baechle bool 19377cf8053bSRalf Baechle 19387cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19397cf8053bSRalf Baechle bool 19407cf8053bSRalf Baechle 19417cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 19427cf8053bSRalf Baechle bool 19437cf8053bSRalf Baechle 1944542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1945542c1020SShinya Kuribayashi bool 1946542c1020SShinya Kuribayashi 19477cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 19487cf8053bSRalf Baechle bool 19497cf8053bSRalf Baechle 19507cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19517cf8053bSRalf Baechle bool 19527cf8053bSRalf Baechle 19537cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 19547cf8053bSRalf Baechle bool 19557cf8053bSRalf Baechle 19567cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19577cf8053bSRalf Baechle bool 19587cf8053bSRalf Baechle 19597cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19607cf8053bSRalf Baechle bool 19617cf8053bSRalf Baechle 19627cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19637cf8053bSRalf Baechle bool 19647cf8053bSRalf Baechle 19655e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19665e683389SDavid Daney bool 19675e683389SDavid Daney 1968cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1969c1c0c461SKevin Cernekee bool 1970c1c0c461SKevin Cernekee 1971fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1972c1c0c461SKevin Cernekee bool 1973cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1974c1c0c461SKevin Cernekee 1975c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1976c1c0c461SKevin Cernekee bool 1977cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1978c1c0c461SKevin Cernekee 1979c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1980c1c0c461SKevin Cernekee bool 1981cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1982c1c0c461SKevin Cernekee 1983c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1984c1c0c461SKevin Cernekee bool 1985cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1986c1c0c461SKevin Cernekee 19877f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 19887f058e85SJayachandran C bool 19897f058e85SJayachandran C 19901c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 19911c773ea4SJayachandran C bool 19921c773ea4SJayachandran C 1993b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1994b6911bbaSPaul Burton depends on MIPS_MALTA 1995b6911bbaSPaul Burton depends on PCI 1996b6911bbaSPaul Burton bool 1997b6911bbaSPaul Burton default y 1998b6911bbaSPaul Burton 199917099b11SRalf Baechle# 200017099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 200117099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 200217099b11SRalf Baechle# 20030004a9dfSRalf Baechleconfig WEAK_ORDERING 20040004a9dfSRalf Baechle bool 200517099b11SRalf Baechle 200617099b11SRalf Baechle# 200717099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 200817099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 200917099b11SRalf Baechle# 201017099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 201117099b11SRalf Baechle bool 20125e83d430SRalf Baechleendmenu 20135e83d430SRalf Baechle 20145e83d430SRalf Baechle# 20155e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20165e83d430SRalf Baechle# 20175e83d430SRalf Baechleconfig CPU_MIPS32 20185e83d430SRalf Baechle bool 20197fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20205e83d430SRalf Baechle 20215e83d430SRalf Baechleconfig CPU_MIPS64 20225e83d430SRalf Baechle bool 20237fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20245e83d430SRalf Baechle 20255e83d430SRalf Baechle# 2026c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 20275e83d430SRalf Baechle# 20285e83d430SRalf Baechleconfig CPU_MIPSR1 20295e83d430SRalf Baechle bool 20305e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20315e83d430SRalf Baechle 20325e83d430SRalf Baechleconfig CPU_MIPSR2 20335e83d430SRalf Baechle bool 2034a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20358256b17eSFlorian Fainelli select CPU_HAS_RIXI 2036a7e07b1aSMarkos Chandras select MIPS_SPRAM 20375e83d430SRalf Baechle 20387fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20397fd08ca5SLeonid Yegoshin bool 20407fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20418256b17eSFlorian Fainelli select CPU_HAS_RIXI 204287321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20432db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 2044a7e07b1aSMarkos Chandras select MIPS_SPRAM 20455e83d430SRalf Baechle 2046a6e18781SLeonid Yegoshinconfig EVA 2047a6e18781SLeonid Yegoshin bool 2048a6e18781SLeonid Yegoshin 2049c5b36783SSteven J. Hillconfig XPA 2050c5b36783SSteven J. Hill bool 2051c5b36783SSteven J. Hill 20525e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20535e83d430SRalf Baechle bool 20545e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20555e83d430SRalf Baechle bool 20565e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20575e83d430SRalf Baechle bool 20585e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20595e83d430SRalf Baechle bool 206055045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 206155045ff5SWu Zhangjin bool 206255045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 206355045ff5SWu Zhangjin bool 20649cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20659cffd154SDavid Daney bool 206622f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 206722f1fdfdSWu Zhangjin bool 206882622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 206982622284SDavid Daney bool 2070d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 20715e83d430SRalf Baechle 20728192c9eaSDavid Daney# 20738192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20748192c9eaSDavid Daney# 20758192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20768192c9eaSDavid Daney bool 2077679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20788192c9eaSDavid Daney 20795e83d430SRalf Baechlemenu "Kernel type" 20805e83d430SRalf Baechle 20815e83d430SRalf Baechlechoice 20825e83d430SRalf Baechle prompt "Kernel code model" 20835e83d430SRalf Baechle help 20845e83d430SRalf Baechle You should only select this option if you have a workload that 20855e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20865e83d430SRalf Baechle large memory. You will only be presented a single option in this 20875e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20885e83d430SRalf Baechle 20895e83d430SRalf Baechleconfig 32BIT 20905e83d430SRalf Baechle bool "32-bit kernel" 20915e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20925e83d430SRalf Baechle select TRAD_SIGNALS 20935e83d430SRalf Baechle help 20945e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2095f17c4ca3SRalf Baechle 20965e83d430SRalf Baechleconfig 64BIT 20975e83d430SRalf Baechle bool "64-bit kernel" 20985e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20995e83d430SRalf Baechle help 21005e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21015e83d430SRalf Baechle 21025e83d430SRalf Baechleendchoice 21035e83d430SRalf Baechle 21042235a54dSSanjay Lalconfig KVM_GUEST 21052235a54dSSanjay Lal bool "KVM Guest Kernel" 2106f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21072235a54dSSanjay Lal help 2108caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2109caa1faa7SJames Hogan mode. 21102235a54dSSanjay Lal 2111eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2112eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21132235a54dSSanjay Lal depends on KVM_GUEST 2114eda3d33cSJames Hogan default 100 21152235a54dSSanjay Lal help 2116eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2117eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2118eda3d33cSJames Hogan timer frequency is specified directly. 21192235a54dSSanjay Lal 21201e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21211e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21221e321fa9SLeonid Yegoshin depends on 64BIT 21231e321fa9SLeonid Yegoshin help 2124*3377e227SAlex Belits Support a maximum at least 48 bits of application virtual 2125*3377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 2126*3377e227SAlex Belits For page sizes 16k and above, this option results in a small 2127*3377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 2128*3377e227SAlex Belits level of page tables is added which imposes both a memory 2129*3377e227SAlex Belits overhead as well as slower TLB fault handling. 2130*3377e227SAlex Belits 21311e321fa9SLeonid Yegoshin If unsure, say N. 21321e321fa9SLeonid Yegoshin 21331da177e4SLinus Torvaldschoice 21341da177e4SLinus Torvalds prompt "Kernel page size" 21351da177e4SLinus Torvalds default PAGE_SIZE_4KB 21361da177e4SLinus Torvalds 21371da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21381da177e4SLinus Torvalds bool "4kB" 21390e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21401da177e4SLinus Torvalds help 21411da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21421da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21431da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21441da177e4SLinus Torvalds recommended for low memory systems. 21451da177e4SLinus Torvalds 21461da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21471da177e4SLinus Torvalds bool "8kB" 21487d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 21491e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21501da177e4SLinus Torvalds help 21511da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21521da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2153c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2154c52399beSRalf Baechle suitable Linux distribution to support this. 21551da177e4SLinus Torvalds 21561da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21571da177e4SLinus Torvalds bool "16kB" 2158714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21591da177e4SLinus Torvalds help 21601da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21611da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2162714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2163714bfad6SRalf Baechle Linux distribution to support this. 21641da177e4SLinus Torvalds 2165c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2166c52399beSRalf Baechle bool "32kB" 2167c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21681e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2169c52399beSRalf Baechle help 2170c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2171c52399beSRalf Baechle the price of higher memory consumption. This option is available 2172c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2173c52399beSRalf Baechle distribution to support this. 2174c52399beSRalf Baechle 21751da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21761da177e4SLinus Torvalds bool "64kB" 217774c81ecdSRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000 21781da177e4SLinus Torvalds help 21791da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21801da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21811da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2182714bfad6SRalf Baechle writing this option is still high experimental. 21831da177e4SLinus Torvalds 21841da177e4SLinus Torvaldsendchoice 21851da177e4SLinus Torvalds 2186c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2187c9bace7cSDavid Daney int "Maximum zone order" 2188e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2189e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2190e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2191e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2192e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2193e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2194c9bace7cSDavid Daney range 11 64 2195c9bace7cSDavid Daney default "11" 2196c9bace7cSDavid Daney help 2197c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2198c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2199c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2200c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2201c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2202c9bace7cSDavid Daney increase this value. 2203c9bace7cSDavid Daney 2204c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2205c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2206c9bace7cSDavid Daney 2207c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2208c9bace7cSDavid Daney when choosing a value for this option. 2209c9bace7cSDavid Daney 22101da177e4SLinus Torvaldsconfig BOARD_SCACHE 22111da177e4SLinus Torvalds bool 22121da177e4SLinus Torvalds 22131da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22141da177e4SLinus Torvalds bool 22151da177e4SLinus Torvalds select BOARD_SCACHE 22161da177e4SLinus Torvalds 22179318c51aSChris Dearman# 22189318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22199318c51aSChris Dearman# 22209318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22219318c51aSChris Dearman bool 22229318c51aSChris Dearman select BOARD_SCACHE 22239318c51aSChris Dearman 22241da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22251da177e4SLinus Torvalds bool 22261da177e4SLinus Torvalds select BOARD_SCACHE 22271da177e4SLinus Torvalds 22281da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22291da177e4SLinus Torvalds bool 22301da177e4SLinus Torvalds select BOARD_SCACHE 22311da177e4SLinus Torvalds 22321da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22331da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22341da177e4SLinus Torvalds depends on CPU_SB1 22351da177e4SLinus Torvalds help 22361da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22371da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22381da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22391da177e4SLinus Torvalds 22401da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2241c8094b53SRalf Baechle bool 22421da177e4SLinus Torvalds 22433165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22443165c846SFlorian Fainelli bool 22453165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 22463165c846SFlorian Fainelli 224791405eb6SFlorian Fainelliconfig CPU_R4K_FPU 224891405eb6SFlorian Fainelli bool 224991405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 225091405eb6SFlorian Fainelli 225162cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 225262cedc4fSFlorian Fainelli bool 225362cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 225462cedc4fSFlorian Fainelli 225559d6ab86SRalf Baechleconfig MIPS_MT_SMP 2256a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22575676319cSMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 225859d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2259d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2260c080faa5SSteven J. Hill select SYNC_R4K 226159d6ab86SRalf Baechle select MIPS_MT 226259d6ab86SRalf Baechle select SMP 226387353d8aSRalf Baechle select SMP_UP 2264c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2265c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2266399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 226759d6ab86SRalf Baechle help 2268c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2269c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2270c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2271c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2272c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 227359d6ab86SRalf Baechle 2274f41ae0b2SRalf Baechleconfig MIPS_MT 2275f41ae0b2SRalf Baechle bool 2276f41ae0b2SRalf Baechle 22770ab7aefcSRalf Baechleconfig SCHED_SMT 22780ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22790ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22800ab7aefcSRalf Baechle default n 22810ab7aefcSRalf Baechle help 22820ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 22830ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 22840ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 22850ab7aefcSRalf Baechle 22860ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22870ab7aefcSRalf Baechle bool 22880ab7aefcSRalf Baechle 2289f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2290f41ae0b2SRalf Baechle bool 2291f41ae0b2SRalf Baechle 2292f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2293f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2294f088fc84SRalf Baechle default y 2295b633648cSRalf Baechle depends on MIPS_MT_SMP 229607cc0c9eSRalf Baechle 2297b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2298b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 22999eaa9a82SPaul Burton depends on CPU_MIPSR6 2300b0a668fbSLeonid Yegoshin default y 2301b0a668fbSLeonid Yegoshin help 2302b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2303b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 230407edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2305b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2306b0a668fbSLeonid Yegoshin final kernel image. 2307b0a668fbSLeonid Yegoshin 230807cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 230907cc0c9eSRalf Baechle bool "VPE loader support." 2310704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 231107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 231207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 231307cc0c9eSRalf Baechle select MIPS_MT 231407cc0c9eSRalf Baechle help 231507cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 231607cc0c9eSRalf Baechle onto another VPE and running it. 2317f088fc84SRalf Baechle 231817a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 231917a1d523SDeng-Cheng Zhu bool 232017a1d523SDeng-Cheng Zhu default "y" 232117a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 232217a1d523SDeng-Cheng Zhu 23231a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23241a2a6d7eSDeng-Cheng Zhu bool 23251a2a6d7eSDeng-Cheng Zhu default "y" 23261a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23271a2a6d7eSDeng-Cheng Zhu 2328e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2329e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2330e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2331e01402b1SRalf Baechle default y 2332e01402b1SRalf Baechle help 2333e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2334e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2335e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2336e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2337e01402b1SRalf Baechle 2338e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2339e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2340e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 23415e83d430SRalf Baechle help 2342e01402b1SRalf Baechle 2343da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2344da615cf6SDeng-Cheng Zhu bool 2345da615cf6SDeng-Cheng Zhu default "y" 2346da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2347da615cf6SDeng-Cheng Zhu 23482c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23492c973ef0SDeng-Cheng Zhu bool 23502c973ef0SDeng-Cheng Zhu default "y" 23512c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23522c973ef0SDeng-Cheng Zhu 23534a16ff4cSRalf Baechleconfig MIPS_CMP 23545cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23555676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2356b10b43baSMarkos Chandras select SMP 2357eb9b5141STim Anderson select SYNC_R4K 2358b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 23594a16ff4cSRalf Baechle select WEAK_ORDERING 23604a16ff4cSRalf Baechle default n 23614a16ff4cSRalf Baechle help 2362044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2363044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2364044505c7SPaul Burton its ability to start secondary CPUs. 23654a16ff4cSRalf Baechle 23665cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 23675cac93b3SPaul Burton instead of this. 23685cac93b3SPaul Burton 23690ee958e1SPaul Burtonconfig MIPS_CPS 23700ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 23715a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 23720ee958e1SPaul Burton select MIPS_CM 23730ee958e1SPaul Burton select MIPS_CPC 23741d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 23750ee958e1SPaul Burton select SMP 23760ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 23771d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 23780ee958e1SPaul Burton select SYS_SUPPORTS_SMP 23790ee958e1SPaul Burton select WEAK_ORDERING 23800ee958e1SPaul Burton help 23810ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 23820ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 23830ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 23840ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 23850ee958e1SPaul Burton support is unavailable. 23860ee958e1SPaul Burton 23873179d37eSPaul Burtonconfig MIPS_CPS_PM 238839a59593SMarkos Chandras depends on MIPS_CPS 2389a8b84677SPaul Burton select MIPS_CPC 23903179d37eSPaul Burton bool 23913179d37eSPaul Burton 23929f98f3ddSPaul Burtonconfig MIPS_CM 23939f98f3ddSPaul Burton bool 23949f98f3ddSPaul Burton 23959c38cf44SPaul Burtonconfig MIPS_CPC 23969c38cf44SPaul Burton bool 23972600990eSRalf Baechle 23981da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 23991da177e4SLinus Torvalds bool 24001da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24011da177e4SLinus Torvalds default y 24021da177e4SLinus Torvalds 24031da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24041da177e4SLinus Torvalds bool 24051da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24061da177e4SLinus Torvalds default y 24071da177e4SLinus Torvalds 24082235a54dSSanjay Lal 240960ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 241034adb28dSRalf Baechle bool 241160ec6571Spascal@pabr.org 24129e2b5372SMarkos Chandraschoice 24139e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24149e2b5372SMarkos Chandras 24159e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24169e2b5372SMarkos Chandras bool "None" 24179e2b5372SMarkos Chandras help 24189e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24199e2b5372SMarkos Chandras 24209693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24219693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24229e2b5372SMarkos Chandras bool "SmartMIPS" 24239693a853SFranck Bui-Huu help 24249693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24259693a853SFranck Bui-Huu increased security at both hardware and software level for 24269693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24279693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24289693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24299693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24309693a853SFranck Bui-Huu here. 24319693a853SFranck Bui-Huu 2432bce86083SSteven J. Hillconfig CPU_MICROMIPS 24337fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24349e2b5372SMarkos Chandras bool "microMIPS" 2435bce86083SSteven J. Hill help 2436bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2437bce86083SSteven J. Hill microMIPS ISA 2438bce86083SSteven J. Hill 24399e2b5372SMarkos Chandrasendchoice 24409e2b5372SMarkos Chandras 2441a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24420ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2443a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 24442a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2445a5e9a69eSPaul Burton help 2446a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2447a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24481db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24491db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24501db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24511db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24521db1af84SPaul Burton the size & complexity of your kernel. 2453a5e9a69eSPaul Burton 2454a5e9a69eSPaul Burton If unsure, say Y. 2455a5e9a69eSPaul Burton 24561da177e4SLinus Torvaldsconfig CPU_HAS_WB 2457f7062ddbSRalf Baechle bool 2458e01402b1SRalf Baechle 2459df0ac8a4SKevin Cernekeeconfig XKS01 2460df0ac8a4SKevin Cernekee bool 2461df0ac8a4SKevin Cernekee 24628256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 24638256b17eSFlorian Fainelli bool 24648256b17eSFlorian Fainelli 2465f41ae0b2SRalf Baechle# 2466f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2467f41ae0b2SRalf Baechle# 2468e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2469f41ae0b2SRalf Baechle bool 2470e01402b1SRalf Baechle 2471f41ae0b2SRalf Baechle# 2472f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2473f41ae0b2SRalf Baechle# 2474e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2475f41ae0b2SRalf Baechle bool 2476e01402b1SRalf Baechle 24771da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 24781da177e4SLinus Torvalds bool 24791da177e4SLinus Torvalds depends on !CPU_R3000 24801da177e4SLinus Torvalds default y 24811da177e4SLinus Torvalds 24821da177e4SLinus Torvalds# 248320d60d99SMaciej W. Rozycki# CPU non-features 248420d60d99SMaciej W. Rozycki# 248520d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 248620d60d99SMaciej W. Rozycki bool 248720d60d99SMaciej W. Rozycki 248820d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 248920d60d99SMaciej W. Rozycki bool 249020d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 249120d60d99SMaciej W. Rozycki 249220d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 249320d60d99SMaciej W. Rozycki bool 249420d60d99SMaciej W. Rozycki 24954edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 24964edf00a4SPaul Burton int 24974edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 24984edf00a4SPaul Burton default 4 if CPU_R8000 24994edf00a4SPaul Burton default 0 25004edf00a4SPaul Burton 25014edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25024edf00a4SPaul Burton int 25032db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25044edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25054edf00a4SPaul Burton default 8 25064edf00a4SPaul Burton 25072db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25082db003a5SPaul Burton bool 25092db003a5SPaul Burton 251020d60d99SMaciej W. Rozycki# 25111da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25121da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25131da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25141da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25151da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25161da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25171da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25181da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2519797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2520797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2521797798c1SRalf Baechle# support. 25221da177e4SLinus Torvalds# 25231da177e4SLinus Torvaldsconfig HIGHMEM 25241da177e4SLinus Torvalds bool "High Memory Support" 2525a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2526797798c1SRalf Baechle 2527797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2528797798c1SRalf Baechle bool 2529797798c1SRalf Baechle 2530797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2531797798c1SRalf Baechle bool 25321da177e4SLinus Torvalds 25339693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25349693a853SFranck Bui-Huu bool 25359693a853SFranck Bui-Huu 2536a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2537a6a4834cSSteven J. Hill bool 2538a6a4834cSSteven J. Hill 2539377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2540377cb1b6SRalf Baechle bool 2541377cb1b6SRalf Baechle help 2542377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2543377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2544377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2545377cb1b6SRalf Baechle 2546a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2547a5e9a69eSPaul Burton bool 2548a5e9a69eSPaul Burton 2549b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2550b4819b59SYoichi Yuasa def_bool y 2551f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2552b4819b59SYoichi Yuasa 2553d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2554d8cb4e11SRalf Baechle bool 2555d8cb4e11SRalf Baechle default y if SGI_IP27 2556d8cb4e11SRalf Baechle help 25573dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2558d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2559d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2560d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2561d8cb4e11SRalf Baechle 2562b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2563b1c6cd42SAtsushi Nemoto bool 25647de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 256531473747SAtsushi Nemoto 2566d8cb4e11SRalf Baechleconfig NUMA 2567d8cb4e11SRalf Baechle bool "NUMA Support" 2568d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2569d8cb4e11SRalf Baechle help 2570d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2571d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2572d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2573d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2574d8cb4e11SRalf Baechle disabled. 2575d8cb4e11SRalf Baechle 2576d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2577d8cb4e11SRalf Baechle bool 2578d8cb4e11SRalf Baechle 25798c530ea3SMatt Redfearnconfig RELOCATABLE 25808c530ea3SMatt Redfearn bool "Relocatable kernel" 25813ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 25828c530ea3SMatt Redfearn help 25838c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 25848c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 25858c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 25868c530ea3SMatt Redfearn but are discarded at runtime 25878c530ea3SMatt Redfearn 2588069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2589069fd766SMatt Redfearn hex "Relocation table size" 2590069fd766SMatt Redfearn depends on RELOCATABLE 2591069fd766SMatt Redfearn range 0x0 0x01000000 2592069fd766SMatt Redfearn default "0x00100000" 2593069fd766SMatt Redfearn ---help--- 2594069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2595069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2596069fd766SMatt Redfearn 2597069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2598069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2599069fd766SMatt Redfearn 2600069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2601069fd766SMatt Redfearn 2602069fd766SMatt Redfearn If unsure, leave at the default value. 2603069fd766SMatt Redfearn 2604405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2605405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2606405bc8fdSMatt Redfearn depends on RELOCATABLE 2607405bc8fdSMatt Redfearn ---help--- 2608405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2609405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2610405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2611405bc8fdSMatt Redfearn of kernel internals. 2612405bc8fdSMatt Redfearn 2613405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2614405bc8fdSMatt Redfearn 2615405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2616405bc8fdSMatt Redfearn 2617405bc8fdSMatt Redfearn If unsure, say N. 2618405bc8fdSMatt Redfearn 2619405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2620405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2621405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2622405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2623405bc8fdSMatt Redfearn range 0x0 0x08000000 2624405bc8fdSMatt Redfearn default "0x01000000" 2625405bc8fdSMatt Redfearn ---help--- 2626405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2627405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2628405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2629405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2630405bc8fdSMatt Redfearn 2631405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2632405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2633405bc8fdSMatt Redfearn 2634c80d79d7SYasunori Gotoconfig NODES_SHIFT 2635c80d79d7SYasunori Goto int 2636c80d79d7SYasunori Goto default "6" 2637c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2638c80d79d7SYasunori Goto 263914f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 264014f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 264123021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 264214f70012SDeng-Cheng Zhu default y 264314f70012SDeng-Cheng Zhu help 264414f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 264514f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 264614f70012SDeng-Cheng Zhu 2647b4819b59SYoichi Yuasasource "mm/Kconfig" 2648b4819b59SYoichi Yuasa 26491da177e4SLinus Torvaldsconfig SMP 26501da177e4SLinus Torvalds bool "Multi-Processing support" 2651e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2652e73ea273SRalf Baechle help 26531da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 26544a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 26554a474157SRobert Graffham than one CPU, say Y. 26561da177e4SLinus Torvalds 26574a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 26581da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 26591da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 26604a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 26611da177e4SLinus Torvalds will run faster if you say N here. 26621da177e4SLinus Torvalds 26631da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 26641da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 26651da177e4SLinus Torvalds 266603502faaSAdrian Bunk See also the SMP-HOWTO available at 266703502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 26681da177e4SLinus Torvalds 26691da177e4SLinus Torvalds If you don't know what to do here, say N. 26701da177e4SLinus Torvalds 26717840d618SMatt Redfearnconfig HOTPLUG_CPU 26727840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 26737840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 26747840d618SMatt Redfearn help 26757840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 26767840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 26777840d618SMatt Redfearn (Note: power management support will enable this option 26787840d618SMatt Redfearn automatically on SMP systems. ) 26797840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 26807840d618SMatt Redfearn 268187353d8aSRalf Baechleconfig SMP_UP 268287353d8aSRalf Baechle bool 268387353d8aSRalf Baechle 26844a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 26854a16ff4cSRalf Baechle bool 26864a16ff4cSRalf Baechle 26870ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 26880ee958e1SPaul Burton bool 26890ee958e1SPaul Burton 2690e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2691e73ea273SRalf Baechle bool 2692e73ea273SRalf Baechle 2693130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2694130e2fb7SRalf Baechle bool 2695130e2fb7SRalf Baechle 2696130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2697130e2fb7SRalf Baechle bool 2698130e2fb7SRalf Baechle 2699130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2700130e2fb7SRalf Baechle bool 2701130e2fb7SRalf Baechle 2702130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2703130e2fb7SRalf Baechle bool 2704130e2fb7SRalf Baechle 2705130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2706130e2fb7SRalf Baechle bool 2707130e2fb7SRalf Baechle 27081da177e4SLinus Torvaldsconfig NR_CPUS 2709a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2710a91796a9SJayachandran C range 2 256 27111da177e4SLinus Torvalds depends on SMP 2712130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2713130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2714130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2715130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2716130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27171da177e4SLinus Torvalds help 27181da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27191da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27201da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 272172ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 272272ede9b1SAtsushi Nemoto and 2 for all others. 27231da177e4SLinus Torvalds 27241da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 272572ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 272672ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 272772ede9b1SAtsushi Nemoto power of two. 27281da177e4SLinus Torvalds 2729399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2730399aaa25SAl Cooper bool 2731399aaa25SAl Cooper 27321723b4a3SAtsushi Nemoto# 27331723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 27341723b4a3SAtsushi Nemoto# 27351723b4a3SAtsushi Nemoto 27361723b4a3SAtsushi Nemotochoice 27371723b4a3SAtsushi Nemoto prompt "Timer frequency" 27381723b4a3SAtsushi Nemoto default HZ_250 27391723b4a3SAtsushi Nemoto help 27401723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 27411723b4a3SAtsushi Nemoto 274267596573SPaul Burton config HZ_24 274367596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 274467596573SPaul Burton 27451723b4a3SAtsushi Nemoto config HZ_48 27460f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 27471723b4a3SAtsushi Nemoto 27481723b4a3SAtsushi Nemoto config HZ_100 27491723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 27501723b4a3SAtsushi Nemoto 27511723b4a3SAtsushi Nemoto config HZ_128 27521723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 27531723b4a3SAtsushi Nemoto 27541723b4a3SAtsushi Nemoto config HZ_250 27551723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 27561723b4a3SAtsushi Nemoto 27571723b4a3SAtsushi Nemoto config HZ_256 27581723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 27591723b4a3SAtsushi Nemoto 27601723b4a3SAtsushi Nemoto config HZ_1000 27611723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 27621723b4a3SAtsushi Nemoto 27631723b4a3SAtsushi Nemoto config HZ_1024 27641723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 27651723b4a3SAtsushi Nemoto 27661723b4a3SAtsushi Nemotoendchoice 27671723b4a3SAtsushi Nemoto 276867596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 276967596573SPaul Burton bool 277067596573SPaul Burton 27711723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 27721723b4a3SAtsushi Nemoto bool 27731723b4a3SAtsushi Nemoto 27741723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 27751723b4a3SAtsushi Nemoto bool 27761723b4a3SAtsushi Nemoto 27771723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 27781723b4a3SAtsushi Nemoto bool 27791723b4a3SAtsushi Nemoto 27801723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 27811723b4a3SAtsushi Nemoto bool 27821723b4a3SAtsushi Nemoto 27831723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 27841723b4a3SAtsushi Nemoto bool 27851723b4a3SAtsushi Nemoto 27861723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 27871723b4a3SAtsushi Nemoto bool 27881723b4a3SAtsushi Nemoto 27891723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 27901723b4a3SAtsushi Nemoto bool 27911723b4a3SAtsushi Nemoto 27921723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 27931723b4a3SAtsushi Nemoto bool 279467596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 279567596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 279667596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 279767596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 279867596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 279967596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 280067596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28011723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28021723b4a3SAtsushi Nemoto 28031723b4a3SAtsushi Nemotoconfig HZ 28041723b4a3SAtsushi Nemoto int 280567596573SPaul Burton default 24 if HZ_24 28061723b4a3SAtsushi Nemoto default 48 if HZ_48 28071723b4a3SAtsushi Nemoto default 100 if HZ_100 28081723b4a3SAtsushi Nemoto default 128 if HZ_128 28091723b4a3SAtsushi Nemoto default 250 if HZ_250 28101723b4a3SAtsushi Nemoto default 256 if HZ_256 28111723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28121723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28131723b4a3SAtsushi Nemoto 281496685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 281596685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 281696685b17SDeng-Cheng Zhu 2817e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 28181da177e4SLinus Torvalds 2819ea6e942bSAtsushi Nemotoconfig KEXEC 28207d60717eSKees Cook bool "Kexec system call" 28212965faa5SDave Young select KEXEC_CORE 2822ea6e942bSAtsushi Nemoto help 2823ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2824ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28253dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2826ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2827ea6e942bSAtsushi Nemoto 282801dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2829ea6e942bSAtsushi Nemoto 2830ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2831ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2832bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2833bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2834bf220695SGeert Uytterhoeven made. 2835ea6e942bSAtsushi Nemoto 28367aa1c8f4SRalf Baechleconfig CRASH_DUMP 28377aa1c8f4SRalf Baechle bool "Kernel crash dumps" 28387aa1c8f4SRalf Baechle help 28397aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 28407aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 28417aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 28427aa1c8f4SRalf Baechle a specially reserved region and then later executed after 28437aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 28447aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 28457aa1c8f4SRalf Baechle PHYSICAL_START. 28467aa1c8f4SRalf Baechle 28477aa1c8f4SRalf Baechleconfig PHYSICAL_START 28487aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 28497aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 28507aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 28517aa1c8f4SRalf Baechle depends on CRASH_DUMP 28527aa1c8f4SRalf Baechle help 28537aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 28547aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 28557aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 28567aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 28577aa1c8f4SRalf Baechle passed to the panic-ed kernel). 28587aa1c8f4SRalf Baechle 2859ea6e942bSAtsushi Nemotoconfig SECCOMP 2860ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2861293c5bd1SRalf Baechle depends on PROC_FS 2862ea6e942bSAtsushi Nemoto default y 2863ea6e942bSAtsushi Nemoto help 2864ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2865ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2866ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2867ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2868ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2869ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2870ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2871ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2872ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2873ea6e942bSAtsushi Nemoto 2874ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2875ea6e942bSAtsushi Nemoto 2876597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 28770ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2878597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2879597ce172SPaul Burton help 2880597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2881597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2882597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2883597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2884597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2885597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2886597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2887597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2888597ce172SPaul Burton saying N here. 2889597ce172SPaul Burton 289006e2e882SPaul Burton Although binutils currently supports use of this flag the details 289106e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 289206e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 289306e2e882SPaul Burton behaviour before the details have been finalised, this option should 289406e2e882SPaul Burton be considered experimental and only enabled by those working upon 289506e2e882SPaul Burton said details. 289606e2e882SPaul Burton 289706e2e882SPaul Burton If unsure, say N. 2898597ce172SPaul Burton 2899f2ffa5abSDezhong Diaoconfig USE_OF 29000b3e06fdSJonas Gorski bool 2901f2ffa5abSDezhong Diao select OF 2902e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2903abd2363fSGrant Likely select IRQ_DOMAIN 2904f2ffa5abSDezhong Diao 29057fafb068SAndrew Brestickerconfig BUILTIN_DTB 29067fafb068SAndrew Bresticker bool 29077fafb068SAndrew Bresticker 29081da8f179SJonas Gorskichoice 29095b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29101da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29111da8f179SJonas Gorski 29121da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29131da8f179SJonas Gorski bool "None" 29141da8f179SJonas Gorski help 29151da8f179SJonas Gorski Do not enable appended dtb support. 29161da8f179SJonas Gorski 291787db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 291887db537dSAaro Koskinen bool "vmlinux" 291987db537dSAaro Koskinen help 292087db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 292187db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 292287db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 292387db537dSAaro Koskinen objcopy: 292487db537dSAaro Koskinen 292587db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 292687db537dSAaro Koskinen 292787db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 292887db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 292987db537dSAaro Koskinen the documented boot protocol using a device tree. 293087db537dSAaro Koskinen 29311da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2932b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29331da8f179SJonas Gorski help 29341da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2935b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 29361da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 29371da8f179SJonas Gorski 29381da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 29391da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 29401da8f179SJonas Gorski the documented boot protocol using a device tree. 29411da8f179SJonas Gorski 29421da8f179SJonas Gorski Beware that there is very little in terms of protection against 29431da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 29441da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 29451da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 29461da8f179SJonas Gorski if you don't intend to always append a DTB. 29471da8f179SJonas Gorskiendchoice 29481da8f179SJonas Gorski 29492024972eSJonas Gorskichoice 29502024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 29512bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 29523f5f0a44SPaul Burton !MIPS_MALTA && \ 29532bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 29542024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 29552024972eSJonas Gorski 29562024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 29572024972eSJonas Gorski depends on USE_OF 29582024972eSJonas Gorski bool "Dtb kernel arguments if available" 29592024972eSJonas Gorski 29602024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 29612024972eSJonas Gorski depends on USE_OF 29622024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 29632024972eSJonas Gorski 29642024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 29652024972eSJonas Gorski bool "Bootloader kernel arguments if available" 2966ed47e153SRabin Vincent 2967ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 2968ed47e153SRabin Vincent depends on CMDLINE_BOOL 2969ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 29702024972eSJonas Gorskiendchoice 29712024972eSJonas Gorski 29725e83d430SRalf Baechleendmenu 29735e83d430SRalf Baechle 29741df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 29751df0f0ffSAtsushi Nemoto bool 29761df0f0ffSAtsushi Nemoto default y 29771df0f0ffSAtsushi Nemoto 29781df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 29791df0f0ffSAtsushi Nemoto bool 29801df0f0ffSAtsushi Nemoto default y 29811df0f0ffSAtsushi Nemoto 2982e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 2983e1e16115SAaro Koskinen bool 2984e1e16115SAaro Koskinen default y 2985e1e16115SAaro Koskinen 2986a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2987a728ab52SKirill A. Shutemov int 2988*3377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 2989a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2990a728ab52SKirill A. Shutemov default 2 2991a728ab52SKirill A. Shutemov 2992b6c3539bSRalf Baechlesource "init/Kconfig" 2993b6c3539bSRalf Baechle 2994dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2995dc52ddc0SMatt Helsley 29961da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 29971da177e4SLinus Torvalds 29985e83d430SRalf Baechleconfig HW_HAS_EISA 29995e83d430SRalf Baechle bool 30001da177e4SLinus Torvaldsconfig HW_HAS_PCI 30011da177e4SLinus Torvalds bool 30021da177e4SLinus Torvalds 30031da177e4SLinus Torvaldsconfig PCI 30041da177e4SLinus Torvalds bool "Support for PCI controller" 30051da177e4SLinus Torvalds depends on HW_HAS_PCI 3006abb4ae46SRalf Baechle select PCI_DOMAINS 30071da177e4SLinus Torvalds help 30081da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 30091da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 30101da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 30111da177e4SLinus Torvalds say Y, otherwise N. 30121da177e4SLinus Torvalds 30130e476d91SHuacai Chenconfig HT_PCI 30140e476d91SHuacai Chen bool "Support for HT-linked PCI" 30150e476d91SHuacai Chen default y 30160e476d91SHuacai Chen depends on CPU_LOONGSON3 30170e476d91SHuacai Chen select PCI 30180e476d91SHuacai Chen select PCI_DOMAINS 30190e476d91SHuacai Chen help 30200e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 30210e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 30220e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 30230e476d91SHuacai Chen 30241da177e4SLinus Torvaldsconfig PCI_DOMAINS 30251da177e4SLinus Torvalds bool 30261da177e4SLinus Torvalds 302788555b48SPaul Burtonconfig PCI_DOMAINS_GENERIC 302888555b48SPaul Burton bool 302988555b48SPaul Burton 3030c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 303187dd9a4dSPaul Burton select PCI_DOMAINS_GENERIC if PCI_DOMAINS 3032c5611df9SPaul Burton bool 3033c5611df9SPaul Burton 3034c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3035c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3036c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 3037c5611df9SPaul Burton 30381da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 30391da177e4SLinus Torvalds 30401da177e4SLinus Torvalds# 30411da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30421da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30431da177e4SLinus Torvalds# users to choose the right thing ... 30441da177e4SLinus Torvalds# 30451da177e4SLinus Torvaldsconfig ISA 30461da177e4SLinus Torvalds bool 30471da177e4SLinus Torvalds 30481da177e4SLinus Torvaldsconfig EISA 30491da177e4SLinus Torvalds bool "EISA support" 30505e83d430SRalf Baechle depends on HW_HAS_EISA 30511da177e4SLinus Torvalds select ISA 3052aa414dffSRalf Baechle select GENERIC_ISA_DMA 30531da177e4SLinus Torvalds ---help--- 30541da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 30551da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 30561da177e4SLinus Torvalds 30571da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 30581da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 30591da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 30601da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 30611da177e4SLinus Torvalds 30621da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 30631da177e4SLinus Torvalds 30641da177e4SLinus Torvalds Otherwise, say N. 30651da177e4SLinus Torvalds 30661da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 30671da177e4SLinus Torvalds 30681da177e4SLinus Torvaldsconfig TC 30691da177e4SLinus Torvalds bool "TURBOchannel support" 30701da177e4SLinus Torvalds depends on MACH_DECSTATION 30711da177e4SLinus Torvalds help 307250a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 307350a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 307450a23e6eSJustin P. Mattock at: 307550a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 307650a23e6eSJustin P. Mattock and: 307750a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 307850a23e6eSJustin P. Mattock Linux driver support status is documented at: 307950a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30801da177e4SLinus Torvalds 30811da177e4SLinus Torvaldsconfig MMU 30821da177e4SLinus Torvalds bool 30831da177e4SLinus Torvalds default y 30841da177e4SLinus Torvalds 3085109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3086109c32ffSMatt Redfearn default 12 if 64BIT 3087109c32ffSMatt Redfearn default 8 3088109c32ffSMatt Redfearn 3089109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3090109c32ffSMatt Redfearn default 18 if 64BIT 3091109c32ffSMatt Redfearn default 15 3092109c32ffSMatt Redfearn 3093109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3094109c32ffSMatt Redfearn default 8 3095109c32ffSMatt Redfearn 3096109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3097109c32ffSMatt Redfearn default 15 3098109c32ffSMatt Redfearn 3099d865bea4SRalf Baechleconfig I8253 3100d865bea4SRalf Baechle bool 3101798778b8SRussell King select CLKSRC_I8253 31022d02612fSThomas Gleixner select CLKEVT_I8253 31039726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3104d865bea4SRalf Baechle 3105e05eb3f8SRalf Baechleconfig ZONE_DMA 3106e05eb3f8SRalf Baechle bool 3107e05eb3f8SRalf Baechle 3108cce335aeSRalf Baechleconfig ZONE_DMA32 3109cce335aeSRalf Baechle bool 3110cce335aeSRalf Baechle 31111da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 31121da177e4SLinus Torvalds 3113388b78adSAlexandre Bounineconfig RAPIDIO 311456abde72SAlexandre Bounine tristate "RapidIO support" 3115388b78adSAlexandre Bounine depends on PCI 3116388b78adSAlexandre Bounine default n 3117388b78adSAlexandre Bounine help 3118388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 3119388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 3120388b78adSAlexandre Bounine 3121388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 3122388b78adSAlexandre Bounine 31231da177e4SLinus Torvaldsendmenu 31241da177e4SLinus Torvalds 31251da177e4SLinus Torvaldsmenu "Executable file formats" 31261da177e4SLinus Torvalds 31271da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 31281da177e4SLinus Torvalds 31291da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31301da177e4SLinus Torvalds bool 31311da177e4SLinus Torvalds 31321da177e4SLinus Torvaldsconfig MIPS32_COMPAT 313378aaf956SRalf Baechle bool 31341da177e4SLinus Torvalds 31351da177e4SLinus Torvaldsconfig COMPAT 31361da177e4SLinus Torvalds bool 31371da177e4SLinus Torvalds 313805e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 313905e43966SAtsushi Nemoto bool 314005e43966SAtsushi Nemoto 31411da177e4SLinus Torvaldsconfig MIPS32_O32 31421da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 314378aaf956SRalf Baechle depends on 64BIT 314478aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 314578aaf956SRalf Baechle select COMPAT 314678aaf956SRalf Baechle select MIPS32_COMPAT 314778aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31481da177e4SLinus Torvalds help 31491da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31501da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31511da177e4SLinus Torvalds existing binaries are in this format. 31521da177e4SLinus Torvalds 31531da177e4SLinus Torvalds If unsure, say Y. 31541da177e4SLinus Torvalds 31551da177e4SLinus Torvaldsconfig MIPS32_N32 31561da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3157c22eacfeSRalf Baechle depends on 64BIT 315878aaf956SRalf Baechle select COMPAT 315978aaf956SRalf Baechle select MIPS32_COMPAT 316078aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31611da177e4SLinus Torvalds help 31621da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31631da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31641da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31651da177e4SLinus Torvalds cases. 31661da177e4SLinus Torvalds 31671da177e4SLinus Torvalds If unsure, say N. 31681da177e4SLinus Torvalds 31691da177e4SLinus Torvaldsconfig BINFMT_ELF32 31701da177e4SLinus Torvalds bool 31711da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3172f43edca7SRalf Baechle select ELFCORE 31731da177e4SLinus Torvalds 31742116245eSRalf Baechleendmenu 31751da177e4SLinus Torvalds 31762116245eSRalf Baechlemenu "Power management options" 3177952fa954SRodolfo Giometti 3178363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3179363c55caSWu Zhangjin def_bool y 31803f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3181363c55caSWu Zhangjin 3182f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3183f4cb5700SJohannes Berg def_bool y 31843f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3185f4cb5700SJohannes Berg 31862116245eSRalf Baechlesource "kernel/power/Kconfig" 3187952fa954SRodolfo Giometti 31881da177e4SLinus Torvaldsendmenu 31891da177e4SLinus Torvalds 31907a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31917a998935SViresh Kumar bool 31927a998935SViresh Kumar 31937a998935SViresh Kumarmenu "CPU Power Management" 3194c095ebafSPaul Burton 3195c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31967a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31977a998935SViresh Kumarendif 31989726b43aSWu Zhangjin 3199c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3200c095ebafSPaul Burton 3201c095ebafSPaul Burtonendmenu 3202c095ebafSPaul Burton 3203d5950b43SSam Ravnborgsource "net/Kconfig" 3204d5950b43SSam Ravnborg 32051da177e4SLinus Torvaldssource "drivers/Kconfig" 32061da177e4SLinus Torvalds 320798cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 320898cdee0eSRalf Baechle 32091da177e4SLinus Torvaldssource "fs/Kconfig" 32101da177e4SLinus Torvalds 32111da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 32121da177e4SLinus Torvalds 32131da177e4SLinus Torvaldssource "security/Kconfig" 32141da177e4SLinus Torvalds 32151da177e4SLinus Torvaldssource "crypto/Kconfig" 32161da177e4SLinus Torvalds 32171da177e4SLinus Torvaldssource "lib/Kconfig" 32182235a54dSSanjay Lal 32192235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3220