U-Boot 2018.09-armbian (Nov 29 2018 - 12:02:48 +0100)

Model: Tinker-RK3288
DRAM:  2 GiB
PC event = 0x0
usb_current_limit_ctrl: unlock_current = 0
MMC:   dwmmc@ff0c0000: 1, dwmmc@ff0f0000: 0
Loading Environment from EXT4... ** File not found /boot/boot.env **

** Unable to read "/boot/boot.env" from mmc0:1 **
In:    serial
Out:   serial
Err:   serial
Model: Tinker-RK3288
Net:   eth0: ethernet@ff290000
Hit any key to stop autoboot:  0
=> <INTERRUPT>
=> <INTERRUPT>
=> <INTERRUPT>
=> <INTERRUPT>
=> setenv devtype mmc
=> setenv devnum 0
=> setenv bootpart 1
=> setenv fdtfile rk3288-tinker-s.dtb.no_iod
=> setenv rootcmd "LABEL=TB-MM-root"
=> setenv bootargs "console=ttyS2,115200n8 root=${rootcmd} rw rootwait"
=> load ${devtype} ${devnum}:${bootpart} ${kernel_addr_r} /boot/zImage
6436976 bytes read in 151 ms (40.7 MiB/s)
=> load ${devtype} ${devnum}:${bootpart} ${fdt_addr_r} /boot/dtb/${fdtfile}
40058 bytes read in 4 ms (9.6 MiB/s)
=> fdt addr ${fdt_addr_r}
=> fdt resize
=> fdt set /dwmmc@ff0c0000 broken-cd
=> load ${devtype} ${devnum}:${bootpart} ${ramdisk_addr_r} /boot/initramfs-linux.img
6517299 bytes read in 154 ms (40.4 MiB/s)
=> bootz ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r}
## Flattened Device Tree blob at 01f00000
   Booting using the fdt blob at 0x1f00000
   Loading Ramdisk to 0f9c8000, end 0ffff233 ... OK
   reserving fdt memory region: addr=1f00000 size=a000
   Loading Device Tree to 0f9bb000, end 0f9c7fff ... OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x500
[    0.000000] Linux version 4.20.6-1-ARCH (builduser@leming) (gcc version 8.2.1 20181127 (GCC)) #1 SMP PREEMPT Fri Feb 8 02:30:15 UTC 2019
[    0.000000] CPU: ARMv7 Processor [410fc0d1] revision 1 (ARMv7), cr=10c5387d
[    0.000000] CPU: div instructions available: patching division code
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] OF: fdt: Machine model: Rockchip RK3288 Asus Tinker Board S
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] cma: Reserved 48 MiB at 0x7d000000
[    0.000000] random: get_random_bytes called from start_kernel+0x8c/0x480 with crng_init=0
[    0.000000] percpu: Embedded 17 pages/cpu @(ptrval) s38028 r8192 d23412 u69632
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 522560
[    0.000000] Kernel command line: console=ttyS2,115200n8 root=LABEL=TB-MM-root rw rootwait
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Memory: 1999496K/2097152K available (12288K kernel code, 1052K rwdata, 5000K rodata, 2048K init, 880K bss, 48504K reserved, 49152K cma-reserved, 1261568K highmem)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
[    0.000000]     vmalloc : 0xf0800000 - 0xff800000   ( 240 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xf0000000   ( 768 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0x(ptrval) - 0x(ptrval)   (13280 kB)
[    0.000000]       .init : 0x(ptrval) - 0x(ptrval)   (2048 kB)
[    0.000000]       .data : 0x(ptrval) - 0x(ptrval)   (1053 kB)
[    0.000000]        .bss : 0x(ptrval) - 0x(ptrval)   ( 881 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] rcu: Preemptible hierarchical RCU implementation.
[    0.000000] rcu:     RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=4.
[    0.000000]  Tasks RCU enabled.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] rockchip_mmc_get_phase: invalid clk rate
[    0.000000] rockchip_mmc_get_phase: invalid clk rate
[    0.000000] rockchip_mmc_get_phase: invalid clk rate
[    0.000000] rockchip_mmc_get_phase: invalid clk rate
[    0.000000] rockchip_mmc_get_phase: invalid clk rate
[    0.000000] rockchip_mmc_get_phase: invalid clk rate
[    0.000000] rockchip_mmc_get_phase: invalid clk rate
[    0.000000] rockchip_mmc_get_phase: invalid clk rate
[    0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns
[    0.000007] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns
[    0.000024] Switching to timer-based delay loop, resolution 41ns
[    0.004552] Console: colour dummy device 80x30
[    0.004607] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=96000)
[    0.004628] pid_max: default: 32768 minimum: 301
[    0.004875] LSM: Security Framework initializing
[    0.005088] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.005108] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.006123] CPU: Testing write buffer coherency: ok
[    0.006161] CPU0: Spectre v2: using BPIALL workaround
[    0.006495] CPU0: thread -1, cpu 0, socket 5, mpidr 80000500
[    0.028675] Setting up static identity map for 0x300000 - 0x3000a0
[    0.036674] rcu: Hierarchical SRCU implementation.
[    0.056787] smp: Bringing up secondary CPUs ...
[    0.090208] CPU1: thread -1, cpu 1, socket 5, mpidr 80000501
[    0.090217] CPU1: Spectre v2: using BPIALL workaround
[    0.122366] CPU2: thread -1, cpu 2, socket 5, mpidr 80000502
[    0.122373] CPU2: Spectre v2: using BPIALL workaround
[    0.154524] CPU3: thread -1, cpu 3, socket 5, mpidr 80000503
[    0.154533] CPU3: Spectre v2: using BPIALL workaround
[    0.154704] smp: Brought up 1 node, 4 CPUs
[    0.154721] SMP: Total of 4 processors activated (192.00 BogoMIPS).
[    0.154732] CPU: All CPU(s) started in SVC mode.
[    0.156401] devtmpfs: initialized
[    0.166877] VFP support v0.3: implementor 41 architecture 3 part 30 variant d rev 0
[    0.167356] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    0.167381] futex hash table entries: 1024 (order: 4, 65536 bytes)
[    0.169062] xor: measuring software checksum speed
[    0.205491]    arm4regs  :  1050.000 MB/sec
[    0.245567]    8regs     :   809.000 MB/sec
[    0.285656]    32regs    :   787.000 MB/sec
[    0.325742]    neon      :  1396.000 MB/sec
[    0.325754] xor: using function: neon (1396.000 MB/sec)
[    0.325816] pinctrl core: initialized pinctrl subsystem
[    0.327821] NET: Registered protocol family 16
[    0.330456] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.331423] audit: initializing netlink subsys (disabled)
[    0.331642] audit: type=2000 audit(0.328:1): state=initialized audit_enabled=0 res=1
[    0.333219] cpuidle: using governor menu
[    0.333938] No ATAGs?
[    0.334103] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.334123] hw-breakpoint: maximum watchpoint size is 4 bytes.
[    0.335526] Serial: AMBA PL011 UART driver
[    0.454418] raid6: neonx8   gen()   634 MB/s
[    0.522619] raid6: neonx8   xor()   622 MB/s
[    0.590849] raid6: neonx4   gen()   671 MB/s
[    0.658947] raid6: neonx4   xor()   708 MB/s
[    0.727087] raid6: neonx2   gen()   429 MB/s
[    0.795233] raid6: neonx2   xor()   617 MB/s
[    0.863474] raid6: neonx1   gen()   346 MB/s
[    0.931476] raid6: neonx1   xor()   457 MB/s
[    0.999873] raid6: int32x8  gen()   192 MB/s
[    1.067801] raid6: int32x8  xor()   140 MB/s
[    1.136064] raid6: int32x4  gen()   162 MB/s
[    1.204018] raid6: int32x4  xor()   141 MB/s
[    1.272620] raid6: int32x2  gen()   117 MB/s
[    1.340414] raid6: int32x2  xor()   132 MB/s
[    1.408415] raid6: int32x1  gen()    96 MB/s
[    1.476762] raid6: int32x1  xor()   103 MB/s
[    1.476774] raid6: using algorithm neonx4 gen() 671 MB/s
[    1.476784] raid6: .... xor() 708 MB/s, rmw enabled
[    1.476794] raid6: using neon recovery algorithm
[    1.481018] sdmmc-regulator GPIO handle specifies active low - ignored
[    1.487739] vgaarb: loaded
[    1.488531] SCSI subsystem initialized
[    1.489015] usbcore: registered new interface driver usbfs
[    1.489081] usbcore: registered new interface driver hub
[    1.489176] usbcore: registered new device driver usb
[    1.491192] media: Linux media interface: v0.10
[    1.491247] videodev: Linux video capture interface: v2.00
[    1.491358] pps_core: LinuxPPS API ver. 1 registered
[    1.491370] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    1.491395] PTP clock support registered
[    1.491433] EDAC MC: Ver: 3.0.0
[    1.492532] Advanced Linux Sound Architecture Driver Initialized.
[    1.493093] NetLabel: Initializing
[    1.493107] NetLabel:  domain hash size = 128
[    1.493117] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
[    1.493195] NetLabel:  unlabeled traffic allowed by default
[    1.493611] clocksource: Switched to clocksource arch_sys_counter
[    1.493864] VFS: Disk quotas dquot_6.6.0
[    1.493951] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    1.506444] NET: Registered protocol family 2
[    1.507331] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes)
[    1.507380] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[    1.507466] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[    1.507658] TCP: Hash tables configured (established 8192 bind 8192)
[    1.507774] UDP hash table entries: 512 (order: 2, 16384 bytes)
[    1.507828] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[    1.508084] NET: Registered protocol family 1
[    1.512779] RPC: Registered named UNIX socket transport module.
[    1.512795] RPC: Registered udp transport module.
[    1.512805] RPC: Registered tcp transport module.
[    1.512815] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    1.513285] Unpacking initramfs...
[    2.066082] Freeing initrd memory: 6368K
[    2.066922] hw perfevents: enabled with armv7_cortex_a12 PMU driver, 7 counters available
[    2.083568] Initialise system trusted keyrings
[    2.083792] workingset: timestamp_bits=14 max_order=19 bucket_order=5
[    2.089299] zbud: loaded
[    2.091678] NFS: Registering the id_resolver key type
[    2.091707] Key type id_resolver registered
[    2.091719] Key type id_legacy registered
[    2.091742] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    2.358119] Key type asymmetric registered
[    2.358137] Asymmetric key parser 'x509' registered
[    2.358208] bounce: pool size: 64 pages
[    2.358276] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
[    2.358485] io scheduler noop registered
[    2.358499] io scheduler deadline registered
[    2.358676] io scheduler cfq registered (default)
[    2.358691] io scheduler mq-deadline registered
[    2.358703] io scheduler kyber registered
[    2.358939] io scheduler bfq registered
[    2.385938] dma-pl330 ff250000.dma-controller: Loaded driver for PL330 DMAC-241330
[    2.385960] dma-pl330 ff250000.dma-controller:       DBUFF-128x8bytes Num_Chans-8 Num_Peri-20 Num_Events-16
[    2.386716] dma-pl330 ffb20000.dma-controller: Loaded driver for PL330 DMAC-241330
[    2.386737] dma-pl330 ffb20000.dma-controller:       DBUFF-64x8bytes Num_Chans-5 Num_Peri-6 Num_Events-10
[    2.394178] Serial: 8250/16550 driver, 6 ports, IRQ sharing enabled
[    2.397684] ff180000.serial: ttyS0 at MMIO 0xff180000 (irq = 35, base_baud = 1500000) is a 16550A
[    2.398735] ff190000.serial: ttyS1 at MMIO 0xff190000 (irq = 36, base_baud = 1500000) is a 16550A
[    2.399794] ff690000.serial: ttyS2 at MMIO 0xff690000 (irq = 37, base_baud = 1500000) is a 16550A
[    3.437431] printk: console [ttyS2] enabled
[    3.443147] ff1b0000.serial: ttyS3 at MMIO 0xff1b0000 (irq = 38, base_baud = 1500000) is a 16550A
[    3.454158] ff1c0000.serial: ttyS4 at MMIO 0xff1c0000 (irq = 39, base_baud = 1500000) is a 16550A
[    3.465793] Serial: AMBA driver
[    3.484192] loop: module loaded
[    3.489089] Loading iSCSI transport class v2.0-870.
[    3.494986] iscsi: registered transport (tcp)
[    3.507342] libphy: Fixed MDIO Bus: probed
[    3.516436] dwc2 ff540000.usb: ff540000.usb supply vusb_d not found, using dummy regulator
[    3.525783] dwc2 ff540000.usb: Linked as a consumer to regulator.0
[    3.532737] dwc2 ff540000.usb: ff540000.usb supply vusb_a not found, using dummy regulator
[    3.602076] dwc2 ff540000.usb: DWC OTG Controller
[    3.607407] dwc2 ff540000.usb: new USB bus registered, assigned bus number 1
[    3.615354] dwc2 ff540000.usb: irq 44, io mem 0xff540000
[    3.621643] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.20
[    3.630916] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    3.639017] usb usb1: Product: DWC OTG Controller
[    3.644297] usb usb1: Manufacturer: Linux 4.20.6-1-ARCH dwc2_hsotg
[    3.651229] usb usb1: SerialNumber: ff540000.usb
[    3.657011] hub 1-0:1.0: USB hub found
[    3.661299] hub 1-0:1.0: 1 port detected
[    3.666429] dwc2 ff580000.usb: ff580000.usb supply vusb_d not found, using dummy regulator
[    3.675777] dwc2 ff580000.usb: Linked as a consumer to regulator.0
[    3.682731] dwc2 ff580000.usb: ff580000.usb supply vusb_a not found, using dummy regulator
[    3.817702] dwc2 ff580000.usb: EPs: 10, dedicated fifos, 972 entries in SPRAM
[    3.826208] dwc2 ff580000.usb: DWC OTG Controller
[    3.831531] dwc2 ff580000.usb: new USB bus registered, assigned bus number 2
[    3.839471] dwc2 ff580000.usb: irq 45, io mem 0xff580000
[    3.845729] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.20
[    3.855006] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    3.863106] usb usb2: Product: DWC OTG Controller
[    3.868389] usb usb2: Manufacturer: Linux 4.20.6-1-ARCH dwc2_hsotg
[    3.875431] usb usb2: SerialNumber: ff580000.usb
[    3.881226] hub 2-0:1.0: USB hub found
[    3.885502] hub 2-0:1.0: 1 port detected
[    3.891390] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    3.898735] ehci-pci: EHCI PCI platform driver
[    3.903808] ehci-platform: EHCI generic platform driver
[    3.909952] ehci-platform ff500000.usb: EHCI Host Controller
[    3.916342] ehci-platform ff500000.usb: new USB bus registered, assigned bus number 3
[    3.925319] ehci-platform ff500000.usb: irq 43, io mem 0xff500000
[    4.061658] usb 1-1: new high-speed USB device number 2 using dwc2
[    4.081656] ehci-platform ff500000.usb: USB 2.0 started, EHCI 1.00
[    4.088845] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.20
[    4.098130] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    4.106232] usb usb3: Product: EHCI Host Controller
[    4.111707] usb usb3: Manufacturer: Linux 4.20.6-1-ARCH ehci_hcd
[    4.118443] usb usb3: SerialNumber: ff500000.usb
[    4.124225] hub 3-0:1.0: USB hub found
[    4.128525] hub 3-0:1.0: 1 port detected
[    4.133631] ehci-mxc: Freescale On-Chip EHCI Host driver
[    4.139729] ehci-omap: OMAP-EHCI Host Controller driver
[    4.145794] ehci-orion: EHCI orion driver
[    4.150519] ehci-exynos: EHCI EXYNOS driver
[    4.155408] tegra-ehci: Tegra EHCI driver
[    4.160135] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    4.167108] ohci-pci: OHCI PCI platform driver
[    4.172163] ohci-platform: OHCI generic platform driver
[    4.178288] ohci-exynos: OHCI EXYNOS driver
[    4.183791] usbcore: registered new interface driver uas
[    4.189866] usbcore: registered new interface driver usb-storage
[    4.196660] usbcore: registered new interface driver ums-cypress
[    4.203448] usbcore: registered new interface driver ums_eneub6250
[    4.210431] usbcore: registered new interface driver ums-freecom
[    4.217218] usbcore: registered new interface driver ums-isd200
[    4.223904] usbcore: registered new interface driver ums-usbat
[    4.238982] i2c /dev entries driver
[    4.246489] rk808 0-001b: chip id: 0x0
[    4.254809] DCDC_REG1: supplied by vcc_sys
[    4.260345] DCDC_REG2: supplied by vcc_sys
[    4.265767] DCDC_REG3: supplied by vcc_sys
[    4.270693] DCDC_REG4: supplied by vcc_sys
[    4.275955] LDO_REG1: supplied by vcc_sys
[    4.281935] LDO_REG2: supplied by vcc_sys
[    4.287485] LDO_REG3: supplied by vcc_sys
[    4.291204] usb 1-1: New USB device found, idVendor=05e3, idProduct=0610, bcdDevice=32.98
[    4.301162] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    4.309185] usb 1-1: Product: USB2.0 Hub
[    4.314461] hub 1-1:1.0: USB hub found
[    4.314565] LDO_REG4: supplied by vcc_io
[    4.319044] hub 1-1:1.0: 4 ports detected
[    4.328751] LDO_REG5: supplied by vcc_io
[    4.333884] LDO_REG6: supplied by vcc_io
[    4.339649] LDO_REG7: supplied by vcc_sys
[    4.345374] LDO_REG8: supplied by vcc_sys
[    4.351071] SWITCH_REG1: supplied by vcc_io
[    4.356147] SWITCH_REG2: supplied by vcc_io
[    4.364652] rk808-rtc rk808-rtc: registered as rtc0
[    4.377516] rockchip-thermal ff280000.tsadc: Missing rockchip,grf property
[    4.388700] cpu cpu0: Linked as a consumer to regulator.3
[    4.394844] cpu cpu0: Dropping the link to regulator.3
[    4.400717] of: /cpus/cpu@501: Couldn't find opp node
[    4.406986] cpu cpu0: Linked as a consumer to regulator.3
[    4.414860] cpufreq: cpufreq_online: CPU0: Running at unlisted freq: 500000 KHz
[    4.423460] cpufreq: cpufreq_online: CPU0: Unlisted initial frequency changed to: 600000 KHz
[    4.434096] sdhci: Secure Digital Host Controller Interface driver
[    4.435240] random: fast init done
[    4.441007] sdhci: Copyright(c) Pierre Ossman
[    4.450117] Synopsys Designware Multimedia Card Interface Driver
[    4.457426] dwmmc_rockchip ff0c0000.dwmmc: IDMAC supports 32-bit address mode.
[    4.465536] dwmmc_rockchip ff0c0000.dwmmc: Using internal DMA controller.
[    4.473133] usb 3-1: new high-speed USB device number 2 using ehci-platform
[    4.480933] dwmmc_rockchip ff0c0000.dwmmc: Version ID is 270a
[    4.487397] dwmmc_rockchip ff0c0000.dwmmc: DW MMC controller at irq 30,32 bit host data width,256 deep fifo
[    4.498335] dwmmc_rockchip ff0c0000.dwmmc: Linked as a consumer to regulator.15
[    4.506533] dwmmc_rockchip ff0c0000.dwmmc: Linked as a consumer to regulator.11
[    4.514743] mmc_host mmc0: card is polling.
[    4.531083] mmc_host mmc0: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
[    4.554255] dwmmc_rockchip ff0d0000.dwmmc: IDMAC supports 32-bit address mode.
[    4.562366] dwmmc_rockchip ff0d0000.dwmmc: Using internal DMA controller.
[    4.569970] dwmmc_rockchip ff0d0000.dwmmc: Version ID is 270a
[    4.576424] dwmmc_rockchip ff0d0000.dwmmc: DW MMC controller at irq 31,32 bit host data width,256 deep fifo
[    4.587366] dwmmc_rockchip ff0d0000.dwmmc: Linked as a consumer to regulator.6
[    4.595479] dwmmc_rockchip ff0d0000.dwmmc: Linked as a consumer to regulator.13
[    4.603687] dwmmc_rockchip ff0d0000.dwmmc: allocated mmc-pwrseq
[    4.610317] mmc_host mmc1: card is non-removable.
[    4.628406] mmc_host mmc1: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
[    4.632150] mmc_host mmc0: Bus speed (slot 0) = 300000Hz (slot req 300000Hz, actual 300000HZ div = 0)
[    4.651587] dwmmc_rockchip ff0f0000.dwmmc: IDMAC supports 32-bit address mode.
[    4.659690] dwmmc_rockchip ff0f0000.dwmmc: Using internal DMA controller.
[    4.667307] dwmmc_rockchip ff0f0000.dwmmc: Version ID is 270a
[    4.673766] dwmmc_rockchip ff0f0000.dwmmc: DW MMC controller at irq 32,32 bit host data width,256 deep fifo
[    4.684717] mmc_host mmc2: card is non-removable.
[    4.687044] mmc_host mmc1: Bus speed (slot 0) = 50000000Hz (slot req 50000000Hz, actual 50000000HZ div = 0)
[    4.700888] mmc1: error -110 whilst initialising SDIO card
[    4.702616] mmc_host mmc2: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
[    4.703510] mmc_host mmc0: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0)
[    4.721102] mmc_host mmc1: Bus speed (slot 0) = 300000Hz (slot req 300000Hz, actual 300000HZ div = 0)
[    4.740296] VUB300 Driver rom wait states = 1C irqpoll timeout = 0400
[    4.740509] usbcore: registered new interface driver vub300
[    4.753966] usbcore: registered new interface driver ushc
[    4.754490] mmc_host mmc0: Bus speed (slot 0) = 187500Hz (slot req 100000Hz, actual 93750HZ div = 1)
[    4.760356] sdhci-pltfm: SDHCI platform and OF driver helper
[    4.770904] mmc_host mmc1: Bus speed (slot 0) = 50000000Hz (slot req 50000000Hz, actual 50000000HZ div = 0)
[    4.787440] ledtrig-cpu: registered to indicate activity on CPUs
[    4.787453] mmc1: error -110 whilst initialising SDIO card
[    4.794381] hidraw: raw HID events driver (C) Jiri Kosina
[    4.806445] usbcore: registered new interface driver usbhid
[    4.812686] usbhid: USB HID core driver
[    4.814368] mmc_host mmc1: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0)
[    4.819313] NET: Registered protocol family 10
[    4.834079] usb 3-1: config 1 has an invalid interface number: 255 but max is 6
[    4.842290] usb 3-1: config 1 has no interface number 6
[    4.849439] usb 3-1: New USB device found, idVendor=0bda, idProduct=481a, bcdDevice= 0.00
[    4.851009] mmc_host mmc2: Bus speed (slot 0) = 148500000Hz (slot req 150000000Hz, actual 148500000HZ div = 0)
[    4.858617] usb 3-1: New USB device strings: Mfr=3, Product=1, SerialNumber=2
[    4.877774] usb 3-1: Product: USB Audio
[    4.882083] usb 3-1: Manufacturer: Generic
[    4.884635] Segment Routing with IPv6
[    4.886680] usb 3-1: SerialNumber: 201405280001
[    4.890818] mip6: Mobile IPv6
[    4.899156] NET: Registered protocol family 17
[    4.900473] input: Generic USB Audio Consumer Control as /devices/platform/ff500000.usb/usb3/3-1/3-1:1.255/0003:0BDA:481A.0001/input/input0
[    4.904244] Key type dns_resolver registered
[    4.922978] ThumbEE CPU extension supported.
[    4.927752] Registering SWP/SWPB emulation handler
[    4.933376] registered taskstats version 1
[    4.935479] mmc_host mmc1: Bus speed (slot 0) = 50000000Hz (slot req 50000000Hz, actual 50000000HZ div = 0)
[    4.937968] Loading compiled-in X.509 certificates
[    4.948869] mmc1: error -110 whilst initialising SDIO card
[    4.954237] zswap: loaded using pool lzo/zbud
[    4.965959] Btrfs loaded, crc32c=crc32c-generic
[    4.973691] mmc_host mmc1: Bus speed (slot 0) = 187500Hz (slot req 100000Hz, actual 93750HZ div = 1)
[    4.980249] input: gpio-keys as /devices/platform/gpio-keys/input/input2
[    4.984001] input: Generic USB Audio as /devices/platform/ff500000.usb/usb3/3-1/3-1:1.255/0003:0BDA:481A.0001/input/input1
[    5.003758] rk808-rtc rk808-rtc: setting system clock to 2019-02-13 09:25:29 UTC (1550049929)
[    5.004016] hid-generic 0003:0BDA:481A.0001: input,hiddev0,hidraw0: USB HID v1.11 Device [Generic USB Audio] on usb-ff500000.usb-1/input255
[    5.013318] sr_init: No PMIC hook to init smartreflex
[    5.033394] vcc_sd: supplied by vcc_io
[    5.037636] vcc_sd: disabling
[    5.040954] ALSA device list:
[    5.044267]   No soundcards found.
[    5.048170] ttyS2 - failed to request DMA
[    5.053617] Freeing unused kernel memory: 2048K
[    5.065707] Run /init as init process
[    5.082689] mmc_host mmc1: Bus speed (slot 0) = 50000000Hz (slot req 50000000Hz, actual 50000000HZ div = 0)
:: running early hook [udev]
[    5.093652] mmc1: error -110 whilst initialising SDIO card
Starting version 240
:: running hook [udev]
:: Triggering uevents...
[    5.137703] dwmmc_rockchip ff0f0000.dwmmc: Successfully tuned phase to 209
[    5.146444] mmc2: new HS200 MMC card at address 0001
[    5.152826] mmcblk2: mmc2:0001 HAG4a2 14.7 GiB
[    5.158593] mmcblk2boot0: mmc2:0001 HAG4a2 partition 1 4.00 MiB
[    5.165976] mmcblk2boot1: mmc2:0001 HAG4a2 partition 2 4.00 MiB
[    5.172745] mmcblk2rpmb: mmc2:0001 HAG4a2 partition 3 4.00 MiB, chardev (241:0)
[    5.186126]  mmcblk2: p1 p2
:: performing fsck on '/dev/mmcblk2p1'
TB-MM-root: clean, 79337/262144 files, 740364/1048576 blocks
:: mounting '/dev/mmcblk2p1' on real root
[    5.497322] EXT4-fs (mmcblk2p1): mounted filesystem with ordered data mode. Opts: (null)
:: running cleanup hook [udev]
[    5.715981] systemd[1]: systemd 240 running in system mode. (+PAM +AUDIT -SELINUX -IMA -APPARMOR +SMACK -SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=hybrid)
[    5.740225] systemd[1]: Detected architecture arm.

Welcome to Arch Linux ARM!

[    5.765851] systemd[1]: Set hostname to <alarm>.
[    5.984482] random: systemd: uninitialized urandom read (16 bytes read)
[    5.996958] random: systemd: uninitialized urandom read (16 bytes read)
[    6.004542] systemd[1]: Listening on initctl Compatibility Named Pipe.
[  OK  ] Listening on initctl Compatibility Named Pipe.
[    6.025702] random: systemd: uninitialized urandom read (16 bytes read)
[    6.035623] systemd[1]: Listening on udev Control Socket.
[  OK  ] Listening on udev Control Socket.
[    6.055478] systemd[1]: Listening on Network Service Netlink Socket.
[  OK  ] Listening on Network Service Netlink Socket.
[    6.073903] systemd[1]: Listening on Journal Socket (/dev/log).
[  OK  ] Listening on Journal Socket (/dev/log).
[    6.093666] systemd[1]: Reached target Swap.
[  OK  ] Reached target Swap.
[    6.109858] systemd[1]: Listening on Journal Socket.
[  OK  ] Listening on Journal Socket.
[    6.128834] systemd[1]: Mounting Kernel Debug File System...
         Mounting Kernel Debug File System...
         Mounting Temporary Directory (/tmp)...
         Starting Create list of re…odes for the current kernel...
         Mounting POSIX Message Queue File System...
[  OK  ] Listening on Process Core Dump Socket.
[  OK  ] Created slice system-netctl.slice.
[  OK  ] Set up automount Arbitrary…s File System Automount Point.
[  OK  ] Started Forward Password R…uests to Wall Directory Watch.
[  OK  ] Listening on udev Kernel Socket.
         Starting udev Coldplug all Devices...
[  OK  ] Created slice system-getty.slice.
[  OK  ] Listening on Device-mapper event daemon FIFOs.
[  OK  ] Started Dispatch Password …ts to Console Directory Watch.
[  OK  ] Reached target Paths.
         Starting Remount Root and Kernel File Systems...
[    6.388307] EXT4-fs (mmcblk2p1): re-mounted. Opts: data=ordered
[  OK  ] Reached target Remote File Systems.
[  OK  ] Listening on Journal Audit Socket.
         Starting Load Kernel Modules...
[  OK  ] Reached target Local Encrypted Volumes.
[  OK  ] Created slice User and Session Slice.
[  OK  ] Reached target Slices.
         Starting Journal Service...
[  OK  ] Created slice system-systemd\x2dfsck.slice.
[  OK  ] Created slice system-serial\x2dgetty.slice.
[  OK  ] Mounted Kernel Debug File System.
[  OK  ] Mounted Temporary Directory (/tmp).
[  OK  ] Started Create list of req… nodes for the current kernel.
[    6.557850] audit: type=1130 audit(1550049931.064:2): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=kmod-static-nodes comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[  OK  ] Mounted POSIX Message Queue File System.
[  OK  ] Started Journal Service.
[    6.601803] audit: type=1130 audit(1550049931.108:3): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-journald comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[  OK  ] Started Remount Root and Kernel File Systems.
[    6.633778] audit: type=1130 audit(1550049931.140:4): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-remount-fs comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[  OK  ] Started Load Kernel Modules.
[    6.665750] audit: type=1130 audit(1550049931.172:5): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-modules-load comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
         Starting Apply Kernel Variables...
         Mounting Kernel Configuration File System...
         Starting Load/Save Random Seed...
         Starting Flush Journal to Persistent Storage...
         Starting Create Static Device Nodes in /dev...
[  OK  ] Started udev Coldplug all Devices.
[    6.797756] audit: type=1130 audit(1550049931.304:6): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-udev-trigger comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[  OK  ] Started Apply Kernel Variables.
[    6.829870] audit: type=1130 audit(1550049931.336:7): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-sysctl comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[  OK  ] Mounted Kernel Configuration File System.
[  OK  ] Started Load/Save Random Seed.
[    6.878067] audit: type=1130 audit(1550049931.384:8): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-random-seed comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[  OK  ] Started Create Static Device Nodes in /dev.
[    6.910005] audit: type=1130 audit(1550049931.416:9): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-tmpfiles-setup-dev comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
         Starting udev Kernel Device Manager...
[  OK  ] Reached target Local File Systems (Pre).
[    6.958402] systemd-journald[242]: Received request to flush runtime journal from PID 1
[  OK  ] Started udev Kernel Device Manager.
[    7.034151] audit: type=1130 audit(1550049931.540:10): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-udevd comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
         Starting Network Service...
[  OK  ] Started Network Service.
[    7.274117] audit: type=1130 audit(1550049931.780:11): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-networkd comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[    7.293599] dwmmc_rockchip ff0c0000.dwmmc: Unexpected interrupt latency
[    7.310363] rockchip-saradc ff100000.saradc: Linked as a consumer to regulator.7
[    7.344393] iommu: Adding device ff930000.vop to group 0
[    7.365735] rockchip-vop ff930000.vop: Linked as a consumer to ff930300.iommu
[  OK  ] [    7.374120] iommu: Adding device ff940000.vop to group 1
Started Flush Journal to Persistent Storage.
[    7.376023] rk_gmac-dwmac ff290000.ethernet: PTP uses main clock
[    7.381837] rockchip-vop ff940000.vop: Linked as a consumer to ff940300.iommu
[    7.403062] rk_gmac-dwmac ff290000.ethernet: Linked as a consumer to regulator.16
[    7.412334] rk_gmac-dwmac ff290000.ethernet: clock input or output? (input).
[    7.413537] rockchip-drm display-subsystem: Linked as a consumer to ff930000.vop
[    7.420337] rk_gmac-dwmac ff290000.ethernet: TX delay(0x30).
[    7.429240] rockchip-drm display-subsystem: Linked as a consumer to ff940000.vop
[    7.435015] rk_gmac-dwmac ff290000.ethernet: RX delay(0x10).
[    7.444015] rockchip-drm display-subsystem: Linked as a consumer to ff980000.hdmi
[    7.449528] rk_gmac-dwmac ff290000.ethernet: integrated PHY? (no).
[    7.460379] rockchip-drm display-subsystem: bound ff930000.vop (ops vop_component_ops [rockchipdrm])
[    7.475146] rk_gmac-dwmac ff290000.ethernet: cannot get clock clk_mac_speed
[    7.482969] rk_gmac-dwmac ff290000.ethernet: clock input from PHY
[    7.487983] rk_gmac-dwmac ff290000.ethernet: init for RGMII
[    7.497248] rk_gmac-dwmac ff290000.ethernet: User ID: 0x10, Synopsys ID: 0x35
[    7.505327] rk_gmac-dwmac ff290000.ethernet:         DWMAC1000
[[    7.511206] rk_gmac-dwmac ff290000.ethernet: DMA HW capability register supported
[    7.511849] rockchip-drm display-subsystem: bound ff940000.vop (ops vop_component_ops [rockchipdrm])
[    7.519681] rk_gmac-dwmac ff290000.ethernet: RX Checksum Offload Engine supported
[    7.519686] rk_gmac-dwmac ff290000.ethernet: COE Type 2
[    7.537727] dwhdmi-rockchip ff980000.hdmi: Detected HDMI TX controller v2.00a with HDCP (DWC MHL PHY)
[    7.538286] rk_gmac-dwmac ff290000.ethernet: TX Checksum insertion supported
  OK  [    7.562375] rk_gmac-dwmac ff290000.ethernet: Wake-Up On Lan supported
] Found device /dev/ttyS2.
[    7.563030] rockchip-drm display-subsystem: bound ff980000.hdmi (ops dw_hdmi_rockchip_ops [rockchipdrm])
[    7.571211] rk_gmac-dwmac ff290000.ethernet: Normal descriptors
[    7.585787] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    7.592392] rk_gmac-dwmac ff290000.ethernet: Ring mode enabled
[    7.599801] [drm] No driver support for vblank timestamp query.
[    7.606345] rk_gmac-dwmac ff290000.ethernet: Enable RX Mitigation via HW Watchdog Timer
[    7.612988] [drm] Cannot find any crtc or sizes
[    7.633797] [drm] Initialized rockchip 1.0.0 20140818 for display-subsystem on minor 0
[    7.640981] rockchip-rga ff920000.rga: HW Version: 0x00.00
[    7.682052] rockchip-rga ff920000.rga: Registered rockchip-rga as /dev/video0
[  OK  ] Found device /dev/disk/by-label/TB-MM-home.
[    7.708377] rk3288-crypto ff8a0000.cypto-controller: Crypto Accelerator successfully registered
         Starting File System Check…ev/disk/by-label/TB-MM-home...
[    7.799094] asoc-simple-card sound: i2s-hifi <-> ff890000.i2s mapping ok
[  OK  ] Started File System Check …/dev/disk/by-label/TB-MM-home.
         Mounting /home...
[    7.850517] EXT4-fs (mmcblk2p2): mounted filesystem with ordered data mode. Opts: data=ordered
[  OK  ] Reached target Sound Card.
[  OK  ] Mounted /home.
[  OK  ] Reached target Local File Systems.
         Starting Create Volatile Files and Directories...
[  OK  ] Started Create Volatile Files and Directories.
         Starting Entropy Harvesting Daemon...
         Starting Network Time Synchronization...
         Starting Update UTMP about System Boot/Shutdown...
[  OK  ] Started Entropy Harvesting Daemon.
[  OK  ] Started Update UTMP about System Boot/Shutdown.
[  OK  ] Started Network Time Synchronization.
[  OK  ] Reached target System Initialization.
[  OK  ] Started Daily Cleanup of Temporary Directories.
[  OK  ] Listening on D-Bus System Message Bus Socket.
[  OK  ] Reached target Sockets.
[  OK  ] Reached target Basic System.
[  OK  ] Started D-Bus System Message Bus.
         Starting Login Service...
[  OK  ] Reached target System Time Synchronized.
[  OK  ] Started Daily verification of password and group files.
[  OK  ] Started Daily rotation of log files.
[  OK  ] Reached target Timers.
[  OK  ] Started Login Service.
[    8.641671] [drm] Cannot find any crtc or sizes
[    8.689940] libphy: stmmac: probed
[    8.693747] RTL8211E Gigabit Ethernet stmmac-0:00: attached PHY driver [RTL8211E Gigabit Ethernet] (mii_bus:phy_addr=stmmac-0:00, irq=POLL)
[    8.707768] RTL8211E Gigabit Ethernet stmmac-0:01: attached PHY driver [RTL8211E Gigabit Ethernet] (mii_bus:phy_addr=stmmac-0:01, irq=POLL)
[    8.757747] RTL8211E Gigabit Ethernet stmmac-0:00: attached PHY driver [RTL8211E Gigabit Ethernet] (mii_bus:phy_addr=stmmac-0:00, irq=POLL)
[    8.781619] rk_gmac-dwmac ff290000.ethernet eth0: No Safety Features support found
[    8.790109] rk_gmac-dwmac ff290000.ethernet eth0: PTP not supported by HW
[    8.797992] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[    9.425395] random: crng init done
[    9.429212] random: 7 urandom warning(s) missed due to ratelimiting
[    9.762460] usbcore: registered new interface driver snd-usb-audio
[ TIME ] Timed out waiting for device s/subsystem/net/devices/wlan0.
[DEPEND] Dependency failed for A si…encrypted wireless connection.
[  OK  ] Reached target Network.
[  OK  ] Started OpenSSH Daemon.
[   96.270053] kauditd_printk_skb: 9 callbacks suppressed
[   96.270058] audit: type=1130 audit(1550050020.776:21): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=sshd comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
         Starting Permit User Sessions...
[  OK  ] Started Permit User Sessions.
[   96.327229] audit: type=1130 audit(1550050020.832:22): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-user-sessions comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[  OK  ] Started Getty on tty1.
[   96.366611] audit: type=1130 audit(1550050020.872:23): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=getty@tty1 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[  OK  ] Started Serial Getty on ttyS2.
[  OK  [   96.398887] audit: type=1130 audit(1550050020.904:24): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=serial-getty@ttyS2 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.

Arch Linux 4.20.6-1-ARCH (ttyS2)

================================================================================

$ susy start bluetooth
myself@alarm-~> susy status bluetooth
* bluetooth.service - Bluetooth service
   Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; disabled; vendor >
   Active: inactive (dead)
     Docs: man:bluetoothd(8)

Feb 13 17:28:16 alarm systemd[1]: Condition check resulted in Bluetooth service>

================================================================================

$ ls /proc/device-tree
'#address-cells'             interrupt-controller@ffc01000   qos@ffaf0080
'#size-cells'                interrupt-parent                reserved-memory
 aliases                     iommu@ff900800                  rga@ff920000
 amba                        iommu@ff914000                  saradc@ff100000
 arm-pmu                     iommu@ff930300                  sdio-pwrseq
 bus_intmem@ff700000         iommu@ff940300                  sdmmc-regulator
 chosen                      iommu@ff9a0800                  serial@ff180000
 clock-controller@ff760000   iommu@ff9c0440                  serial@ff190000
 compatible                  lvds@ff96c000                   serial@ff1b0000
 cpu-opp-table               memory                          serial@ff1c0000
 cpus                        mipi@ff960000                   serial@ff690000
 cypto-controller@ff8a0000   model                           sound
 display-subsystem           name                            sound@ff88b0000
 dp@ff970000                 oscillator                      spi@ff110000
 dwmmc@ff0c0000              pinctrl                         spi@ff120000
 dwmmc@ff0d0000              power-management@ff730000       spi@ff130000
 dwmmc@ff0e0000              pwm@ff680000                    sram@ff720000
 dwmmc@ff0f0000              pwm@ff680010                    syscon@ff740000
 efuse@ffb40000              pwm@ff680020                    syscon@ff770000
 ethernet@ff290000           pwm@ff680030                    thermal-zones
 external-gmac-clock         qos@ffaa0000                    timer
 gpio-keys                   qos@ffaa0080                    timer@ff810000
 gpio-leds                   qos@ffad0000                    tsadc@ff280000
 gpu-opp-table               qos@ffad0100                    usb@ff500000
 gpu@ffa30000                qos@ffad0180                    usb@ff540000
 hdmi@ff980000               qos@ffad0400                    usb@ff580000
 i2c@ff140000                qos@ffad0480                    usb@ff5c0000
 i2c@ff150000                qos@ffad0500                    vop@ff930000
 i2c@ff160000                qos@ffad0800                    vop@ff940000
 i2c@ff170000                qos@ffad0880                    vsys-regulator
 i2c@ff650000                qos@ffad0900                    watchdog@ff800000
 i2c@ff660000                qos@ffae0000
 i2s@ff890000                qos@ffaf0000

================================================================================

$ lsmod
Module                  Size  Used by
realtek                16384  1
snd_soc_hdmi_codec     16384  1
dw_hdmi_cec            16384  0
dw_hdmi_i2s_audio      16384  0
snd_soc_simple_card    16384  0
snd_soc_simple_card_utils    16384  1 snd_soc_simple_card
rockchip_rga           20480  0
rk_crypto              24576  0
snd_usb_audio         188416  0
snd_soc_rockchip_i2s    16384  2
v4l2_mem2mem           24576  1 rockchip_rga
videobuf2_dma_sg       16384  1 rockchip_rga
snd_soc_rockchip_pcm    16384  1 snd_soc_rockchip_i2s
videobuf2_memops       16384  1 videobuf2_dma_sg
videobuf2_v4l2         24576  2 v4l2_mem2mem,rockchip_rga
snd_soc_core          159744  5 snd_soc_rockchip_i2s,snd_soc_hdmi_codec,snd_soc_simple_card_utils,snd_soc_rockchip_pcm,snd_soc_simple_card
videobuf2_common       45056  3 v4l2_mem2mem,videobuf2_v4l2,rockchip_rga
dw_wdt                 16384  0
snd_usbmidi_lib        28672  1 snd_usb_audio
evdev                  24576  2
ac97_bus               16384  1 snd_soc_core
snd_pcm_dmaengine      16384  1 snd_soc_core
joydev                 20480  0
snd_hwdep              16384  1 snd_usb_audio
snd_rawmidi            32768  1 snd_usbmidi_lib
snd_seq_device         16384  1 snd_rawmidi
snd_pcm                94208  4 snd_usb_audio,snd_pcm_dmaengine,snd_soc_hdmi_codec,snd_soc_core
snd_timer              32768  1 snd_pcm
dwmac_rk               28672  0
pwm_rockchip           16384  0
stmmac_platform        20480  1 dwmac_rk
stmmac                126976  2 stmmac_platform,dwmac_rk
rockchipdrm            94208  0
analogix_dp            32768  1 rockchipdrm
dw_hdmi                32768  2 rockchipdrm,dw_hdmi_i2s_audio
rockchip_saradc        16384  0
uio_pdrv_genirq        16384  0
uio                    20480  1 uio_pdrv_genirq
sch_fq_codel           20480  2
crypto_user            20480  0
ip_tables              28672  0
x_tables               32768  1 ip_tables

================================================================================

$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
    link/ether 88:d7:f6:c2:f1:42 brd ff:ff:ff:ff:ff:ff

================================================================================

$ sudo rfkill
rfkill: cannot open /dev/rfkill: No such file or directory
rfkill: cannot read /dev/rfkill: Bad file descriptor
