dmesg | grep -A5 -B5 -i device
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] Architected cp15 timer(s) running at 19.20MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
[ 0.000008] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
[ 0.000026] Switching to timer-based delay loop, resolution 52ns
[ 0.000286] Console: colour dummy device 80x30
[ 0.001349] console [tty1] enabled
[ 0.001404] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
[ 0.001473] pid_max: default: 32768 minimum: 301
[ 0.001807] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.001850] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.002798] Disabling cpuset control group subsystem
[ 0.002854] Initializing cgroup subsys io
[ 0.002907] Initializing cgroup subsys memory
[ 0.002968] Initializing cgroup subsys devices
[ 0.003011] Initializing cgroup subsys freezer
[ 0.003054] Initializing cgroup subsys net_cls
[ 0.003126] CPU: Testing write buffer coherency: ok
[ 0.003215] ftrace: allocating 21629 entries in 64 pages
[ 0.053613] CPU0: update cpu_capacity 1024
--
[ 0.080679] bcm2835-mbox 3f00b880.mailbox: mailbox enabled
[ 0.144229] bcm2835-dma 3f007000.dma: DMA legacy API manager at f3007000, dmachans=0x1
[ 0.145554] SCSI subsystem initialized
[ 0.145750] usbcore: registered new interface driver usbfs
[ 0.145858] usbcore: registered new interface driver hub
[ 0.145976] usbcore: registered new device driver usb
[ 0.153166] raspberrypi-firmware soc:firmware: Attached to firmware from 2016-02-29 15:15
[ 0.180334] clocksource: Switched to clocksource arch_sys_counter
[ 0.225245] FS-Cache: Loaded
[ 0.225532] CacheFiles: Loaded
[ 0.234550] NET: Registered protocol family 2
--
[ 0.257864] io scheduler noop registered
[ 0.257901] io scheduler deadline registered (default)
[ 0.257974] io scheduler cfq registered
[ 0.260458] BCM2708FB: allocated DMA memory fa800000
[ 0.260508] BCM2708FB: allocated DMA channel 0 @ f3007000
[ 0.267227] Console: switching to colour frame buffer device 100x30
[ 0.272694] Serial: 8250/16550 driver, 1 ports, IRQ sharing disabled
[ 0.275876] console [ttyS0] disabled
[ 0.277555] 3f215040.uart: ttyS0 at MMIO 0x3f215040 (irq = 59, base_baud = 50000000) is a 16550
[ 1.447526] console [ttyS0] enabled
[ 2.279758] bcm2835-rng 3f104000.rng: hwrng registered
--
[ 2.986976] dwc_otg 3f980000.usb: DWC OTG Controller
[ 2.996778] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1
[ 3.010379] dwc_otg 3f980000.usb: irq 62, io mem 0x00000000
[ 3.021187] Init: Port Power? op_state=1
[ 3.029219] Init: Power Port (0)
[ 3.036278] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 3.048991] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.062415] usb usb1: Product: DWC OTG Controller
[ 3.071711] usb usb1: Manufacturer: Linux 4.4.3-v7+ dwc_otg_hcd
[ 3.082994] usb usb1: SerialNumber: 3f980000.usb
[ 3.092857] hub 1-0:1.0: USB hub found
[ 3.100603] hub 1-0:1.0: 1 port detected
[ 3.108946] dwc_otg: FIQ enabled
[ 3.108955] dwc_otg: NAK holdoff enabled
[ 3.108963] dwc_otg: FIQ split-transaction FSM enabled
[ 3.108993] Module dwc_common_port init
[ 3.109262] usbcore: registered new interface driver usb-storage
[ 3.120840] mousedev: PS/2 mouse device common for all mice
[ 3.132230] bcm2835-cpufreq: min=600000 max=1200000
[ 3.142059] sdhci: Secure Digital Host Controller Interface driver
[ 3.153698] sdhci: Copyright(c) Pierre Ossman
[ 3.162618] sdhost: log_buf @ ba813000 (fa813000)
[ 3.250366] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
--
[ 3.465139] sit: IPv6 over IPv4 tunneling driver
[ 3.475069] NET: Registered protocol family 17
[ 3.483994] Key type dns_resolver registered
[ 3.493028] Registering SWP/SWPB emulation handler
[ 3.503055] registered taskstats version 1
[ 3.511092] usb 1-1: new high-speed USB device number 2 using dwc_otg
[ 3.511240] Indeed it is in host mode hprt0 = 00001101
[ 3.533477] vc-sm: Videocore shared memory driver
[ 3.542740] [vc_sm_connected_init]: start
[ 3.560811] [vc_sm_connected_init]: end - returning 0
[ 3.573259] 3f201000.uart: ttyAMA0 at MMIO 0x3f201000 (irq = 87, base_baud = 0) is a PL011 rev2
[ 3.596634] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem
[ 3.610249] EXT4-fs (mmcblk0p2): write access will be enabled during recovery
[ 3.720652] usb 1-1: New USB device found, idVendor=0424, idProduct=9514
[ 3.733277] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 3.747259] hub 1-1:1.0: USB hub found
[ 3.755083] hub 1-1:1.0: 5 ports detected
[ 3.996957] EXT4-fs (mmcblk0p2): orphan cleanup on readonly fs
[ 4.008208] EXT4-fs (mmcblk0p2): 1 orphan inode deleted
[ 4.018307] EXT4-fs (mmcblk0p2): recovery complete
[ 4.040361] usb 1-1.1: new high-speed USB device number 3 using dwc_otg
[ 4.084087] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 4.098969] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[ 4.124116] devtmpfs: mounted
[ 4.131221] Freeing unused kernel memory: 488K (8081c000 - 80896000)
[ 4.150642] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
[ 4.163674] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 4.180046] smsc95xx v1.0.4
[ 4.243907] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:51:81:4a
[ 4.576347] random: systemd urandom read with 67 bits of entropy available
[ 4.593379] systemd[1]: systemd 215 running in system mode. (+PAM +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ -SECCOMP -APPARMOR)
[ 4.619446] systemd[1]: Detected architecture 'arm'.
[ 4.650237] systemd[1]: Set hostname to <blackboxbackup>.
[ 5.136819] systemd[1]: Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory.
[ 5.168176] systemd[1]: Expecting device dev-ttyS0.device...
[ 5.182320] systemd[1]: Starting Forward Password Requests to Wall Directory Watch.
[ 5.197158] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[ 5.211752] systemd[1]: Starting Remote File Systems (Pre).
[ 5.225496] systemd[1]: Reached target Remote File Systems (Pre).
[ 5.237646] systemd[1]: Starting Encrypted Volumes.
[ 5.250110] systemd[1]: Reached target Encrypted Volumes.
[ 5.261115] systemd[1]: Starting Arbitrary Executable File Formats File System Automount Point.
[ 5.280381] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
[ 5.280468] systemd[1]: Starting Swap.
[ 5.310475] systemd[1]: Reached target Swap.
[ 5.319441] systemd[1]: Expecting device dev-mmcblk0p1.device...
[ 5.333536] systemd[1]: Starting Root Slice.
[ 5.344890] systemd[1]: Created slice Root Slice.
[ 5.354615] systemd[1]: Starting User and Session Slice.
[ 5.367646] systemd[1]: Created slice User and Session Slice.
[ 5.378983] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.
--
[ 5.491832] systemd[1]: Listening on udev Kernel Socket.
[ 5.502327] systemd[1]: Starting Journal Socket.
[ 5.513784] systemd[1]: Listening on Journal Socket.
[ 5.523755] systemd[1]: Starting System Slice.
[ 5.534947] systemd[1]: Created slice System Slice.
[ 5.544739] systemd[1]: Starting File System Check on Root Device...
[ 5.610861] systemd[1]: Starting system-systemd\x2dfsck.slice.
[ 5.624892] systemd[1]: Created slice system-systemd\x2dfsck.slice.
[ 5.637046] systemd[1]: Starting system-getty.slice.
[ 5.649352] systemd[1]: Created slice system-getty.slice.
[ 5.660018] systemd[1]: Starting system-serial\x2dgetty.slice.
[ 5.673698] systemd[1]: Created slice system-serial\x2dgetty.slice.
[ 5.685841] systemd[1]: Starting Increase datagram queue length...
[ 5.702199] systemd[1]: Starting Restore / save the current clock...
[ 5.731291] systemd[1]: Started Set Up Additional Binary Formats.
[ 5.743929] systemd[1]: Mounted Huge Pages File System.
[ 5.754484] systemd[1]: Starting udev Coldplug all Devices...
[ 5.847981] systemd[1]: Starting Create list of required static device nodes for the current kernel...
[ 5.932383] systemd[1]: Starting Load Kernel Modules...
[ 5.949853] systemd[1]: Mounting Debug File System...
[ 5.967309] systemd[1]: Mounting POSIX Message Queue File System...
[ 5.985379] systemd[1]: Starting Slices.
[ 5.996647] systemd[1]: Reached target Slices.
[ 6.010794] systemd[1]: Mounted POSIX Message Queue File System.
[ 6.025261] systemd[1]: Mounted Debug File System.
[ 6.038415] systemd[1]: Started File System Check on Root Device.
[ 6.069330] systemd[1]: Started Increase datagram queue length.
[ 6.084261] systemd[1]: Started Restore / save the current clock.
[ 6.144896] systemd[1]: Started Create list of required static device nodes for the current kernel.
[ 6.167811] systemd[1]: Started Load Kernel Modules.
[ 6.182171] systemd[1]: Time has been changed
[ 6.194769] systemd[1]: Started udev Coldplug all Devices.
[ 6.350385] systemd[1]: Starting Apply Kernel Variables...
[ 6.401186] systemd[1]: Mounting Configuration File System...
[ 6.417521] systemd[1]: Mounted FUSE Control File System.
[ 6.418092] systemd[1]: Starting Create Static Device Nodes in /dev...
[ 6.423324] systemd[1]: Starting Syslog Socket.
[ 6.426176] systemd[1]: Listening on Syslog Socket.
[ 6.426356] systemd[1]: Starting Journal Service...
[ 6.434661] systemd[1]: Started Journal Service.
[ 6.632349] systemd-udevd[136]: starting version 215
[ 6.898772] rpi-ft5406 rpi_ft5406: Probing device
[ 6.899147] input: FT5406 memory based driver as /devices/virtual/input/input0
[ 6.952672] gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000
[ 6.955758] bcm2835-wdt 3f100000.watchdog: Broadcom BCM2835 watchdog timer
[ 7.397428] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[ 7.774854] systemd-journald[134]: Received request to flush runtime journal from PID 1
[ 8.894994] uart-pl011 3f201000.uart: no DMA platform data
--
[ 10.433415] random: nonblocking pool is initialized
[ 11.683958] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 11.684440] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
[ 13.402220] Bluetooth: Core ver 2.21
[ 13.402307] NET: Registered protocol family 31
[ 13.402317] Bluetooth: HCI device and connection manager initialized
[ 13.402341] Bluetooth: HCI socket layer initialized
[ 13.402358] Bluetooth: L2CAP socket layer initialized
[ 13.402396] Bluetooth: SCO socket layer initialized
[ 13.410642] Bluetooth: HCI UART driver ver 2.3
[ 13.410662] Bluetooth: HCI UART protocol H4 registered