buildroot on R3 bootlog

U-Boot 2020.07 (Sep 15 2020 - 21:18:02 +0800) Allwinner Technology

CPU:   Allwinner F Series (SUNIV)
Model: Allwinner F1C100s Generic Device
DRAM:  64 MiB
MMC:   mmc@1c0f000: 0, mmc@1c10000: 1
Setting up a 800x480 lcd console (overscan 0x0)
In:    serial
Out:   vga
Err:   vga
Allwinner mUSB OTG (Peripheral)
Hit any key to stop autoboot:  0 
Booting from FEL...
switch to partitions #0, OK
mmc0 is current device
List of MTD devices:
No MTD device found
switch to partitions #0, OK
mmc0 is current device
Booting from MMC0...
4191432 bytes read in 680 ms (5.9 MiB/s)
14640 bytes read in 5 ms (2.8 MiB/s)
## Flattened Device Tree blob at 80700000
   Booting using the fdt blob at 0x80700000
   Loading Device Tree to 816f9000, end 816ff92f ... OK
Cannot setup simplefb: node not found

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.4.64 (widora@VirtualBox) (gcc version 8.4.0 (Buildroot 2020.02.4-ge9c4c40)) #1 Tue Sep 15 21:19:56 CST 2020
[    0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
[    0.000000] CPU: VIVT data cache, VIVT instruction cache
[    0.000000] OF: fdt: Machine model: Widora TINY200 R3
[    0.000000] Memory policy: Data cache writeback
[    0.000000] cma: Reserved 16 MiB at 0x83000000
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 16256
[    0.000000] Kernel command line: console=ttyS0,115200 earlyprintk rootwait consoleblank=0 net.ifnames=0 biosdevname=0 root=/dev/mmcblk0p2
[    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes, linear)
[    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes, linear)
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] Memory: 38748K/65536K available (6144K kernel code, 245K rwdata, 1632K rodata, 1024K init, 222K bss, 10404K reserved, 16384K cma-reserved)
[    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] random: get_random_bytes called from start_kernel+0x254/0x440 with crng_init=0
[    0.000047] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[    0.000138] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[    0.000891] Console: colour dummy device 80x30
[    0.000998] Calibrating delay loop... 203.16 BogoMIPS (lpj=1015808)
[    0.070263] pid_max: default: 32768 minimum: 301
[    0.070811] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.070854] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.072799] CPU: Testing write buffer coherency: ok
[    0.074751] Setting up static identity map for 0x80100000 - 0x80100058
[    0.076047] devtmpfs: initialized
[    0.087063] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.087127] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[    0.091367] pinctrl core: initialized pinctrl subsystem
[    0.094005] NET: Registered protocol family 16
[    0.097646] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.099896] cpuidle: using governor menu
[    0.143059] SCSI subsystem initialized
[    0.143477] usbcore: registered new interface driver usbfs
[    0.143637] usbcore: registered new interface driver hub
[    0.143842] usbcore: registered new device driver usb
[    0.144323] mc: Linux media interface: v0.10
[    0.144485] videodev: Linux video capture interface: v2.00
[    0.144600] pps_core: LinuxPPS API ver. 1 registered
[    0.144619] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.144702] PTP clock support registered
[    0.145151] Advanced Linux Sound Architecture Driver Initialized.
[    0.147453] clocksource: Switched to clocksource timer
[    0.178193] thermal_sys: Registered thermal governor 'step_wise'
[    0.178962] NET: Registered protocol family 2
[    0.180579] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[    0.180663] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.180720] TCP bind hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.180769] TCP: Hash tables configured (established 1024 bind 1024)
[    0.181109] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.181172] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.181685] NET: Registered protocol family 1
[    0.184220] NetWinder Floating Point Emulator V0.97 (double precision)
[    0.186037] Initialise system trusted keyrings
[    0.186611] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[    0.208795] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.321664] Key type asymmetric registered
[    0.321704] Asymmetric key parser 'x509' registered
[    0.321877] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[    0.321903] io scheduler mq-deadline registered
[    0.321921] io scheduler kyber registered
[    0.337604] suniv-f1c100s-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[    0.362386] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[    0.368513] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pa not found, using dummy regulator
[    0.369845] printk: console [ttyS0] disabled
[    0.390182] 1c25400.serial: ttyS0 at MMIO 0x1c25400 (irq = 28, base_baud = 6250000) is a 16550A
[    0.806688] printk: console [ttyS0] enabled
[    0.816444] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pd not found, using dummy regulator
[    0.837335] panel-simple panel: panel supply power not found, using dummy regulator
[    0.846888] SCSI Media Changer driver v0.25 
[    0.852750] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pc not found, using dummy regulator
[    0.865679] spi-nor spi0.0: unrecognized JEDEC id bytes: ff c8 f1 c8 f1 c8
[    0.873276] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.879910] ehci-platform: EHCI generic platform driver
[    0.885549] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    0.891869] ohci-platform: OHCI generic platform driver
[    0.897739] usbcore: registered new interface driver usb-storage
[    0.904755] usb_phy_generic usb_phy_generic.0.auto: usb_phy_generic.0.auto supply vcc not found, using dummy regulator
[    0.918509] i2c /dev entries driver
[    0.922636] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pd not found, using dummy regulator
[    0.936398] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pe not found, using dummy regulator
[    0.947360] sun4i-csi 1cb0000.csi: Packed (RAW) format enabled.
[    0.955212] sunxi-wdt 1c20ca0.watchdog: Watchdog enabled (timeout=16 sec, nowayout=0)
[    0.965229] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pf not found, using dummy regulator
[    1.003463] sunxi-mmc 1c0f000.mmc: initialized, max. request size: 16384 KB
[    1.012952] usbcore: registered new interface driver usbhid
[    1.018642] usbhid: USB HID core driver
[    1.026242] debugfs: Directory '1c23c00.codec' with parent 'F1C100s Audio Codec' already present!
[    1.040211] sun4i-codec 1c23c00.codec: Codec <-> 1c23c00.codec mapping ok
[    1.056736] NET: Registered protocol family 17
[    1.061421] Key type dns_resolver registered
[    1.066781] Loading compiled-in X.509 certificates
[    1.084667] sun4i-backend 1e60000.display-backend: Couldn't find matching frontend, frontend features disabled
[    1.095483] sun4i-drm soc:display-engine: bound 1e60000.display-backend (ops 0xc0739a34)
[    1.104997] sun4i-drm soc:display-engine: bound 1c0c000.lcd-controller (ops 0xc07385d4)
[    1.113584] sun4i-drm soc:display-engine: bound 1c0a000.tv-encoder (ops 0xc07392f4)
[    1.121365] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    1.128019] [drm] No driver support for vblank timestamp query.
[    1.135654] [drm] Initialized sun4i-drm 1.0.0 20150629 for soc:display-engine on minor 0
[    1.144674] [drm] kms: can't enable cloning when we probably wanted to.
[    1.190145] mmc0: host does not support reading read-only switch, assuming write-enable
[    1.193355] mmc0: new high speed SDHC card at address aaaa
[    1.195718] mmcblk0: mmc0:aaaa SL16G 14.8 GiB 
[    1.216629] Console: switching to colour frame buffer device 100x30
[    1.226132]  mmcblk0: p1 p2
[    1.277254] sun4i-drm soc:display-engine: fb0: sun4i-drmdrmfb frame buffer device
[    1.285683] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    1.303454] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    1.310330] ALSA device list:
[    1.313319]   #0: F1C100s Audio Codec
[    1.317755] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[    1.326423] cfg80211: failed to load regulatory.db
[    1.343013] EXT4-fs (mmcblk0p2): INFO: recovery required on readonly filesystem
[    1.350455] EXT4-fs (mmcblk0p2): write access will be enabled during recovery
[    1.376239] random: fast init done
[    1.395307] EXT4-fs (mmcblk0p2): recovery complete
[    1.406355] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    1.414758] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[    1.425923] devtmpfs: mounted
[    1.435469] Freeing unused kernel memory: 1024K
[    1.440229] Run /sbin/init as init process
[    1.614284] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
Starting syslogd: OK
Starting klogd: OK
Running sysctl: OK
Populating /dev using udev: [    2.162095] udevd[84]: starting version 3.2.9
[    2.191507] random: udevd: uninitialized urandom read (16 bytes read)
[    2.204334] random: udevd: uninitialized urandom read (16 bytes read)
[    2.212664] random: udevd: uninitialized urandom read (16 bytes read)
[    2.304428] udevd[85]: starting eudev-3.2.9
[    3.893358] Goodix-TS 0-005d: 0-005d supply AVDD28 not found, using dummy regulator
[    3.901465] Goodix-TS 0-005d: 0-005d supply VDDIO not found, using dummy regulator
[    3.936256] ov2640 0-0030: Product ID error fa:fa
[    4.088045] Goodix-TS 0-005d: i2c test failed attempt 1: -6
[    4.128840] Goodix-TS 0-005d: i2c test failed attempt 2: -6
[    4.167795] Goodix-TS 0-005d: I2C communication failure: -6
done
Initializing random number generator: OK
Saving random seed: [    4.853248] random: dd: uninitialized urandom read (512 bytes read)
OK
Starting network: OK
Starting uMTPrd: [    5.134929] file system registered
[    5.283050] read descriptors
[    5.286000] read strings
OK

Welcome to Widora TINY200 R3

https://mangopi.org/f1c_log