U-Boot 2018.01-05679-g013ca457fd-dirty (Apr 18 2024 - 03:53:09 -0700) Allwinner Technology
CPU: Allwinner F Series (SUNIV)
Model: Lichee Pi Nano
DRAM: 64 MiB
MMC: SUNXI SD/MMC: 0
*** Warning - bad CRC, using default environment
In: serial@1c25000
Out: serial@1c25000
Err: serial@1c25000
Net: No ethernet found.
starting USB...
No controllers found
Hit any key to stop autoboot: 0
reading zImage
4390016 bytes read in 224 ms (18.7 MiB/s)
reading suniv-f1c100s-licheepi-nano.dtb
3963 bytes read in 25 ms (154.3 KiB/s)
## Flattened Device Tree blob at 80c08000
Booting using the fdt blob at 0x80c08000
Loading Device Tree to 816fc000, end 816fff7a ... OK
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 5.7.1 (root@ubuntu) (gcc version 7.2.1 20171011 (Linaro GCC 7.2-2017.11), GNU ld (Linaro_Binutils-2017.11) 2.28.2.20170706) #3 Tue Apr 16 02:56:40 PDT 2024
[ 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: Lichee Pi Nano
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 16256
[ 0.000000] Kernel command line: console=ttyS0,115200 panic=5 rootwait root=/dev/mmcblk0p2 earlyprintk rw
[ 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: 54164K/65536K available (7168K kernel code, 226K rwdata, 1688K rodata, 1024K init, 246K bss, 11372K reserved, 0K cma-reserved, 0K highmem)
[ 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+0x2a0/0x498 with crng_init=0
[ 0.000047] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[ 0.000135] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[ 0.000640] Console: colour dummy device 80x30
[ 0.000727] Calibrating delay loop... 203.16 BogoMIPS (lpj=1015808)
[ 0.070250] pid_max: default: 32768 minimum: 301
[ 0.070784] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.070826] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.072646] CPU: Testing write buffer coherency: ok
[ 0.074389] Setting up static identity map for 0x80100000 - 0x80100058
[ 0.075621] devtmpfs: initialized
[ 0.080176] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.080339] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[ 0.080648] pinctrl core: initialized pinctrl subsystem
[ 0.082045] thermal_sys: Registered thermal governor 'step_wise'
[ 0.083430] NET: Registered protocol family 16
[ 0.084863] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.087004] cpuidle: using governor menu
[ 0.135134] SCSI subsystem initialized
[ 0.135488] usbcore: registered new interface driver usbfs
[ 0.135636] usbcore: registered new interface driver hub
[ 0.135817] usbcore: registered new device driver usb
[ 0.136260] pps_core: LinuxPPS API ver. 1 registered
[ 0.136285] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.136360] PTP clock support registered
[ 0.136849] Advanced Linux Sound Architecture Driver Initialized.
[ 0.138757] clocksource: Switched to clocksource timer
[ 0.170017] NET: Registered protocol family 2
[ 0.171566] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 0.171648] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.171707] TCP bind hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.171755] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.172028] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.172093] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.172605] NET: Registered protocol family 1
[ 0.174123] RPC: Registered named UNIX socket transport module.
[ 0.174160] RPC: Registered udp transport module.
[ 0.174175] RPC: Registered tcp transport module.
[ 0.174189] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.176500] NetWinder Floating Point Emulator V0.97 (double precision)
[ 0.178144] Initialise system trusted keyrings
[ 0.178857] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[ 0.202536] NFS: Registering the id_resolver key type
[ 0.202627] Key type id_resolver registered
[ 0.202647] Key type id_legacy registered
[ 0.324647] Key type asymmetric registered
[ 0.324689] Asymmetric key parser 'x509' registered
[ 0.324861] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 0.324890] io scheduler mq-deadline registered
[ 0.324906] io scheduler kyber registered
[ 0.336372] suniv-f1c100s-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[ 0.529746] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[ 0.535611] suniv-f1c100s-pinctrl 1c20800.pinctrl: supply vcc-pe not found, using dummy regulator
[ 0.537272] printk: console [ttyS0] disabled
[ 0.537453] 1c25000.serial: ttyS0 at MMIO 0x1c25000 (irq = 21, base_baud = 6250000) is a 16550A
[ 0.969146] printk: console [ttyS0] enabled
[ 0.980416] SCSI Media Changer driver v0.25
[ 0.986041] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.992699] ehci-platform: EHCI generic platform driver
[ 0.998166] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 1.004516] ohci-platform: OHCI generic platform driver
[ 1.010199] usbcore: registered new interface driver usb-storage
[ 1.016759] udc-core: couldn't find an available UDC - added [g_cdc] to list of pending drivers
[ 1.025807] i2c /dev entries driver
[ 1.030791] suniv-f1c100s-pinctrl 1c20800.pinctrl: supply vcc-pf not found, using dummy regulator
[ 1.067295] sunxi-mmc 1c0f000.mmc: initialized, max. request size: 16384 KB
[ 1.076820] usbcore: registered new interface driver usbhid
[ 1.082514] usbhid: USB HID core driver
[ 1.102543] NET: Registered protocol family 17
[ 1.107243] Key type dns_resolver registered
[ 1.112788] Loading compiled-in X.509 certificates
[ 1.129611] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 1.147843] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 1.154712] ALSA device list:
[ 1.157699] #0: Loopback 1
[ 1.161674] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 1.170377] cfg80211: failed to load regulatory.db
[ 1.176226] Waiting for root device /dev/mmcblk0p2...
[ 1.205261] mmc0: host does not support reading read-only switch, assuming write-enable
[ 1.215724] mmc0: new high speed SDXC card at address 0001
[ 1.223138] mmcblk0: mmc0:0001 SD16G 58.6 GiB
[ 1.231792] mmcblk0: p1 p2
[ 1.250507] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 1.258731] VFS: Mounted root (ext4 filesystem) on device 179:2.
[ 1.266401] devtmpfs: mounted
[ 1.274006] Freeing unused kernel memory: 1024K
[ 1.278647] Run /sbin/init as init process
[ 1.383673] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
Starting logging: OK
Starting watchdog...
[ 1.588847] random: fast init done
Starting haveged: OK
Starting network: OK
LinuxCard starst!
linuxcard login: [ 10.522173] random: crng init done大佬们求教！为啥老是卡在login这里，任何输入都没反应啊:(
离线
可能是串口的发送有问题，用自发自收测试一下看看。
大佬请教下咋测呀，是短接板子的rx和tx嘛
离线
Rs428 说：晕哥 说：可能是串口的发送有问题，用自发自收测试一下看看。
大佬请教下咋测呀，是短接板子的rx和tx嘛
先测usb串口头的tx rx，短路后，用电脑串口软件发信息，看是不是能收到同样的信息。
好的，先谢谢大佬啦，我周一再测，现在手头没工具。
离线
Rs428 说：晕哥 说：可能是串口的发送有问题，用自发自收测试一下看看。
大佬请教下咋测呀，是短接板子的rx和tx嘛
先测usb串口头的tx rx，短路后，用电脑串口软件发信息，看是不是能收到同样的信息。
问题解决了，rx tx短接发现收发也是正常的，于是去测了下它俩之间短路，结果也没问题，再测对地和对电源短路，问题发现了，信号线对电源短路了，导致收不正常，再次感谢大佬提供思路！:)
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