自己设计底板LCD显示问题
参考底板原理图设计了新的底板，测试时只焊接了LCD外设，其他均没焊接，烧录原版系统。上电出现开机画面，但是停留的0.2s左右马上黑屏，然后就一直是黑屏状态，请教一下是硬件问题还是软件问题呢。Xshell 4 (Build 0127)
Copyright (c) 2002-2013 NetSarang Computer, Inc. All rights reserved.
Type `help' to learn how to use Xshell prompt.
Xshell:\>
Connecting to COM5...
Connected.
U-Boot 2015.04-g3989e3c (Dec 14 2017 - 19:04:37)
CPU: Freescale i.MX6UL rev1.2 at 396 MHz
CPU: Temperature 41 C
Reset cause: POR
Board: MX6UL 14x14 EVK
I2C: ready
DRAM:256 MiB
NAND:256 MiB
MMC: FSL_SDHC: 0
*** Warning - bad CRC, using default environment
Display: TFT70AB (800x480)
Video: 800x480x24
NAND read: device 0 offset 0x400000, size 0x80000
524288 bytes read: OK
NAND read: device 0 offset 0x400000, size 0x80000
524288 bytes read: OK
display bmp cfb_console.c
In: serial
Out: serial
Err: serial
Net: Phy 2 not found
PHY reset timed out
FEC0
Error: FEC0 address not set.
Normal Boot
Hit any key to stop autoboot:0
nand boot..........
NAND read: device 0 offset 0xa00000, size 0x800000
8388608 bytes read: OK
NAND read: device 0 offset 0x700000, size 0x40000
262144 bytes read: OK
Kernel image @ 0x80800000 [ 0x000000 - 0x622528 ]
## Flattened Device Tree blob at 83000000
Booting using the fdt blob at 0x83000000
Using Device Tree in place at 83000000, end 8300c7c5
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 3.14.38-6UL_ga-00003-g9b1d9f6 (liyue@developer-RH2485-V2) (gcc version 4.6.2 20110630 (prerelease) (Freescale MAD -- Linaro 2011.07 -- Built at 2011/08/10 09:20) ) #1 SMP PREEMPT Mon Feb 12 11:31:44 CST 2018
[ 0.000000] CPU: ARMv7 Processor revision 5 (ARMv7), cr=10c53c7d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] Machine model: Freescale i.MX6 UltraLite 14x14 EVK Board
[ 0.000000] cma: CMA: reserved 64 MiB at 8c000000
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] PERCPU: Embedded 8 pages/cpu @8bdbf000 s8832 r8192 d15744 u32768
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on.Total pages: 60928
[ 0.000000] Kernel command line: console=ttymxc0,115200 cma=64M root=/dev/mtdblock5 rootfstype=yaffs2,calibrate=y
[ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Memory: 165632K/245760K available (7922K kernel code, 481K rwdata, 2792K rodata, 396K init, 433K bss, 80128K reserved, 0K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector: 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap: 0xfff00000 - 0xfffe0000 ( 896 kB)
[ 0.000000] vmalloc : 0x90800000 - 0xff000000 (1768 MB)
[ 0.000000] lowmem: 0x80000000 - 0x90000000 ( 256 MB)
[ 0.000000] pkmap : 0x7fe00000 - 0x80000000 ( 2 MB)
[ 0.000000] modules : 0x7f000000 - 0x7fe00000 (14 MB)
[ 0.000000] .text : 0x80008000 - 0x80a7ecf8 (10716 kB)
[ 0.000000] .init : 0x80a7f000 - 0x80ae2280 ( 397 kB)
[ 0.000000] .data : 0x80ae4000 - 0x80b5c760 ( 482 kB)
[ 0.000000] .bss : 0x80b5c76c - 0x80bc8cf4 ( 434 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=1.
[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] Switching to timer-based delay loop
[ 0.000019] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 1431655765682ns
[ 0.002612] clocksource_of_init: no matching clocksources found
[ 0.002971] Console: colour dummy device 80x30
[ 0.003019] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000)
[ 0.003051] pid_max: default: 32768 minimum: 301
[ 0.003439] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.003467] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.005008] Initializing cgroup subsys net_cls
[ 0.005097] CPU: Testing write buffer coherency: ok
[ 0.005590] /cpus/cpu@0 missing clock-frequency property
[ 0.005630] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.005688] Setting up static identity map for 0x807855f8 - 0x80785650
[ 0.040757] Brought up 1 CPUs
[ 0.040791] SMP: Total of 1 processors activated (6.00 BogoMIPS).
[ 0.040809] CPU: All CPU(s) started in SVC mode.
[ 0.042118] devtmpfs: initialized
[ 0.052724] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[ 0.053498] pinctrl core: initialized pinctrl subsystem
[ 0.054381] regulator-dummy: no parameters
[ 0.059649] NET: Registered protocol family 16
[ 0.076314] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.077915] cpuidle: using governor ladder
[ 0.077943] cpuidle: using governor menu
[ 0.078314] Use WDOG1 as reset source
[ 0.096642] syscon 20c8000.anatop: regmap registered
[ 0.097339] vdd3p0: 2625 <--> 3400 mV at 3000 mV
[ 0.098205] cpu: 725 <--> 1450 mV at 1150 mV
[ 0.099085] vddsoc: 725 <--> 1450 mV at 1175 mV
[ 0.104401] syscon 20e4000.iomuxc-gpr: regmap registered
[ 0.111067] syscon 21ac000.romcp: regmap registered
[ 0.112620] syscon 21bc000.ocotp-ctrl: regmap registered
[ 0.119972] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[ 0.120002] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.124034] imx6ul-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver
[ 0.126875] 20dc000.gpc supply pu not found, using dummy regulator
[ 0.162065] bio: create slab <bio-0> at 0
[ 0.168624] mxs-dma 1804000.dma-apbh: initialized
[ 0.169595] can-3v3: 3300 mV
[ 0.170168] VSD_3V3: 3300 mV
[ 0.170986] usb_otg1_vbus: 5000 mV
[ 0.171532] vref-3v3: 3300 mV
[ 0.173045] gpio_dvfs: 1300 <--> 1400 mV at 1400 mV
[ 0.174347] i2c-core: driver using legacy suspend method
[ 0.174372] i2c-core: driver using legacy resume method
[ 0.175620] SCSI subsystem initialized
[ 0.176829] usbcore: registered new inte**ce driver usbfs
[ 0.177005] usbcore: registered new inte**ce driver hub
[ 0.177329] usbcore: registered new device driver usb
[ 0.183037] i2c i2c-0: IMX I2C adapter registered
[ 0.185512] i2c i2c-1: IMX I2C adapter registered
[ 0.185801] Linux video capture inte**ce: v2.00
[ 0.185996] pps_core: LinuxPPS API ver. 1 registered
[ 0.186017] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.186079] PTP clock support registered
[ 0.188869] MIPI CSI2 driver module loaded
[ 0.189427] Advanced Linux Sound Architecture Driver Initialized.
[ 0.191408] Bluetooth: Core ver 2.18
[ 0.191540] NET: Registered protocol family 31
[ 0.191561] Bluetooth: HCI device and connection manager initialized
[ 0.191600] Bluetooth: HCI socket layer initialized
[ 0.191632] Bluetooth: L2CAP socket layer initialized
[ 0.191736] Bluetooth: SCO socket layer initialized
[ 0.193708] Switched to clocksource mxc_timer1
[ 0.195559] cfg80211: Calling CRDA to update world regulatory domain
[ 0.219210] NET: Registered protocol family 2
[ 0.221222] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.221311] TCP bind hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.221402] TCP: Hash tables configured (established 2048 bind 2048)
[ 0.221519] TCP: reno registered
[ 0.221553] UDP hash table entries: 256 (order: 1, 8192 bytes)
[ 0.221613] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[ 0.222193] NET: Registered protocol family 1
[ 0.222946] RPC: Registered named UNIX socket transport module.
[ 0.222977] RPC: Registered udp transport module.
[ 0.222998] RPC: Registered tcp transport module.
[ 0.223016] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.225922] imx rpmsg driver is registered.
[ 0.227532] Bus freq driver module loaded
[ 0.229506] futex hash table entries: 256 (order: 2, 16384 bytes)
[ 0.249139] VFS: Disk quotas dquot_6.5.2
[ 0.249845] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.255952] NFS: Registering the id_resolver key type
[ 0.256093] Key type id_resolver registered
[ 0.256115] Key type id_legacy registered
[ 0.256200] jffs2: version 2.2. (NAND) 漏 2001-2006 Red Hat, Inc.
[ 0.258127] fuse init (API version 7.22)
[ 0.259433] msgmni has been set to 451
[ 0.267579] io scheduler noop registered
[ 0.267612] io scheduler deadline registered
[ 0.268121] io scheduler cfq registered (default)
[ 0.269152] imx-weim 21b8000.weim: Driver registered.
[ 0.274973] backlight.9 supply power not found, using dummy regulator
[ 0.278134] MIPI DSI driver module loaded
[ 0.282412] 21c8000.lcdif supply lcd not found, using dummy regulator
[ 0.282806] mxsfb 21c8000.lcdif: failed to find mxc display driver
[ 0.283562] mxsfb 21c8000.lcdif: initialized
[ 0.290909] imx-sdma 20ec000.sdma: no event needs to be remapped
[ 0.291120] imx-sdma 20ec000.sdma: loaded firmware 3.1
[ 0.299705] imx-sdma 20ec000.sdma: initialized
[ 0.301157] Serial: IMX driver
[ 0.301791] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 58, base_baud = 5000000) is a IMX
[ 1.045031] console enabled
[ 1.050511] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 59, base_baud = 5000000) is a IMX
[ 1.060367] 21ec000.serial: ttymxc2 at MMIO 0x21ec000 (irq = 60, base_baud = 5000000) is a IMX
[ 1.070016] serial: Freescale lpuart driver
[ 1.078072] imx sema4 driver is registered.
[ 1.082439] Initialized drm 1.1.0 20060810
[ 1.088242] Initialized vivante 1.0.0 20120216 on minor 0
[ 1.115952] brd: module loaded
[ 1.130640] loop: module loaded
[ 1.137469] spi_gpio spi4.15: gpio-miso property not found, switching to no-rx mode
[ 1.149517] CAN device driver inte**ce
[ 1.156944] flexcan 2090000.can: device registered (reg_base=90968000, irq=142)
[ 1.167037] flexcan 2094000.can: device registered (reg_base=90970000, irq=143)
[ 1.176585] 20b4000.ethernet supply phy not found, using dummy regulator
[ 1.184730] pps pps0: new PPS source ptp0
[ 1.189237] fec 20b4000.ethernet (unregistered net_device): Invalid MAC address: 00:00:00:00:00:00
[ 1.198392] fec 20b4000.ethernet (unregistered net_device): Using random MAC address: 62:3c:d0:c6:10:54
[ 1.208578] libphy: fec_enet_mii_bus: probed
[ 1.214830] fec 20b4000.ethernet eth0: registered PHC device 0
[ 1.222303] 2188000.ethernet supply phy not found, using dummy regulator
[ 1.230359] pps pps1: new PPS source ptp1
[ 1.234871] fec 2188000.ethernet (unregistered net_device): Invalid MAC address: 00:00:00:00:00:00
[ 1.243994] fec 2188000.ethernet (unregistered net_device): Using random MAC address: d2:26:c9:2b:19:7e
[ 1.255376] fec 2188000.ethernet eth1: registered PHC device 1
[ 1.262941] PPP generic driver version 2.4.2
[ 1.267851] PPP BSD Compression module registered
[ 1.272594] PPP Deflate Compression module registered
[ 1.277917] usbcore: registered new inte**ce driver asix
[ 1.283469] usbcore: registered new inte**ce driver cdc_ether
[ 1.289501] usbcore: registered new inte**ce driver cdc_eem
[ 1.295476] usbcore: registered new inte**ce driver cdc_ncm
[ 1.301171] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.307771] ehci-mxc: Freescale On-Chip EHCI Host driver
[ 1.313580] usbcore: registered new inte**ce driver usb-storage
[ 1.320013] usbcore: registered new inte**ce driver usbserial
[ 1.326055] usbcore: registered new inte**ce driver usbserial_generic
[ 1.332721] usbserial: USB Serial support registered for generic
[ 1.338907] usbcore: registered new inte**ce driver ftdi_sio
[ 1.344824] usbserial: USB Serial support registered for FTDI USB Serial Device
[ 1.352258] usbcore: registered new inte**ce driver option
[ 1.357996] usbserial: USB Serial support registered for GSM modem (1-port)
[ 1.365155] usbcore: registered new inte**ce driver pl2303
[ 1.370857] usbserial: USB Serial support registered for pl2303
[ 1.377012] usbcore: registered new inte**ce driver cdc_xr_usb_serial
[ 1.383573] xr_usb_serial_common: Exar USB UART (serial port) driver
[ 1.390120] usbcore: registered new inte**ce driver usb_ehset_test
[ 1.398687] 2184800.usbmisc supply vbus-wakeup not found, using dummy regulator
[ 1.413614] 2184200.usb supply vbus not found, using dummy regulator
[ 1.423999] ci_hdrc ci_hdrc.1: EHCI Host Controller
[ 1.428987] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1
[ 1.453803] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[ 1.461257] hub 1-0:1.0: USB hub found
[ 1.465246] hub 1-0:1.0: 1 port detected
[ 1.471366] mousedev: PS/2 mouse device common for all mice
[ 1.479091] input: 20cc000.snvs-pwrkey as /devices/soc0/soc.0/2000000.aips-bus/20cc000.snvs-pwrkey/input/input0
[ 1.489994] snvs_pwrkey 20cc000.snvs-pwrkey: i.MX snvs powerkey probed
[ 1.497514] edt_ft5x06 0-0038: touchscreen probe failed
[ 1.502812] edt_ft5x06: probe of 0-0038 failed with error -5
[ 1.510675] input: iMX6UL TouchScreen Controller as /devices/virtual/input/input2
[ 1.520240] <<-GTP-INFO->> GTP driver installing...
[ 1.525667] <<-GTP-INFO->> GTP Driver Version: V2.4<2014/11/28>
[ 1.531626] <<-GTP-INFO->> GTP Driver Built@11:31:15, Feb 12 2018
[ 1.537849] <<-GTP-INFO->> GTP I2C Address: 0x14
[ 1.543605] <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -5!
[ 1.550551] <<-GTP-ERROR->> GTP i2c test failed time 1.
[ 1.574828] <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -5!
[ 1.581733] <<-GTP-ERROR->> GTP i2c test failed time 2.
[ 1.604801] <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -5!
[ 1.611699] <<-GTP-ERROR->> GTP i2c test failed time 3.
[ 1.634791] <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -5!
[ 1.641689] <<-GTP-ERROR->> GTP i2c test failed time 4.
[ 1.664794] <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -5!
[ 1.671692] <<-GTP-ERROR->> GTP i2c test failed time 5.
[ 1.693733] <<-GTP-ERROR->> I2C read failed.
[ 1.698175] <<-GTP-INFO->> GTP Driver Version: V2.4<2014/11/28>
[ 1.704171] <<-GTP-INFO->> GTP Driver Built@11:31:15, Feb 12 2018
[ 1.710289] <<-GTP-INFO->> GTP I2C Address: 0x5d
[ 1.716029] <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -5!
[ 1.722929] <<-GTP-ERROR->> GTP i2c test failed time 1.
[ 1.744795] <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -5!
[ 1.751693] <<-GTP-ERROR->> GTP i2c test failed time 2.
[ 1.774788] <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -5!
[ 1.781687] <<-GTP-ERROR->> GTP i2c test failed time 3.
[ 1.804790] <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -5!
[ 1.811687] <<-GTP-ERROR->> GTP i2c test failed time 4.
[ 1.834786] <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -5!
[ 1.841682] <<-GTP-ERROR->> GTP i2c test failed time 5.
[ 1.863733] <<-GTP-ERROR->> I2C read failed.
[ 1.868387] i2c-core: driver using legacy suspend method
[ 1.874731] i2c-core: driver using legacy resume method
[ 1.882116] rtc-rx8010 0-0032: Unable to write register #23
[ 1.887788] i2c i2c-0: probing for rx8010 failed
[ 1.892456] rtc-rx8010: probe of 0-0032 failed with error -5
[ 1.899605] snvs_rtc 20cc034.snvs-rtc-lp: rtc core: registered 20cc034.snvs-rtc-lp as rtc0
[ 1.908300] i2c /dev entries driver
[ 1.913113] IR NEC protocol handler initialized
[ 1.917758] IR RC5(x) protocol handler initialized
[ 1.922574] IR RC6 protocol handler initialized
[ 1.927157] IR JVC protocol handler initialized
[ 1.931709] IR Sony protocol handler initialized
[ 1.936375] IR RC5 (streamzap) protocol handler initialized
[ 1.941970] IR SANYO protocol handler initialized
[ 1.946721] IR MCE Keyboard/mouse protocol handler initialized
[ 1.955544] pxp-v4l2 pxp_v4l2.10: initialized
[ 1.960306] usbcore: registered new inte**ce driver uvcvideo
[ 1.966168] USB Video Class driver (1.1.1)
[ 1.971317] i2c-core: driver using legacy suspend method
[ 1.977600] i2c-core: driver using legacy resume method
[ 1.984821] imx2-wdt 20bc000.wdog: IMX2+ Watchdog Timer enabled. timeout=60s (nowayout=0)
[ 1.993358] Bluetooth: HCI UART driver ver 2.2
[ 1.997920] Bluetooth: HCI H4 protocol initialized
[ 2.002737] Bluetooth: HCI BCSP protocol initialized
[ 2.007769] Bluetooth: HCIATH3K protocol initialized
[ 2.012967] usbcore: registered new inte**ce driver bcm203x
[ 2.018888] usbcore: registered new inte**ce driver btusb
[ 2.024651] usbcore: registered new inte**ce driver ath3k
[ 2.030333] usbcore: registered new inte**ce driver rtk_btusb
[ 2.036836] sdhci: Secure Digital Host Controller Inte**ce driver
[ 2.043048] sdhci: Copyright(c) Pierre Ossman
[ 2.047567] sdhci-pltfm: SDHCI platform and OF driver helper
[ 2.056918] mmc0: no vqmmc regulator found
[ 2.103783] mmc0: SDHCI controller on 2190000.usdhc using ADMA
[ 2.158600] nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xda
[ 2.165085] nand: Micron MT29F2G08ABAEAWP
[ 2.169126] nand: 256MiB, SLC, page size: 2048, OOB size: 64
[ 2.175536] gpmi-nand 1806000.gpmi-nand: enable the asynchronous EDO mode 5
[ 2.182544] Scanning device for bad blocks
[ 2.492681] 6 ofpart partitions found on MTD device gpmi-nand
[ 2.498510] Creating 6 MTD partitions on "gpmi-nand":
[ 2.503601] 0x000000000000-0x000000400000 : "boot"
[ 2.511363] 0x000000400000-0x000000600000 : "logo"
[ 2.518776] 0x000000600000-0x000000700000 : "ENV"
[ 2.526109] 0x000000700000-0x000000a00000 : "DTB"
[ 2.533381] 0x000000a00000-0x000001200000 : "kernel"
[ 2.541130] 0x000001200000-0x000010000000 : "rootfs"
[ 2.549187] gpmi-nand 1806000.gpmi-nand: driver registered.
[ 2.559110] usbcore: registered new inte**ce driver usbhid
[ 2.564819] usbhid: USB HID core driver
[ 2.575337] wm8960 1-001a: Failed to issue reset
[ 2.580197] wm8960: probe of 1-001a failed with error -5
[ 2.588121] fsl-asrc 2034000.asrc: driver registered
[ 2.600961] imx-wm8960 sound.14: failed to find codec platform device
[ 2.607622] imx-wm8960: probe of sound.14 failed with error -22
[ 2.617033] NET: Registered protocol family 26
[ 2.621527] Netfilter messages via NETLINK v0.30.
[ 2.626395] nfnl_acct: registering with nfnetlink.
[ 2.631342] nf_conntrack version 0.5.0 (3612 buckets, 14448 max)
[ 2.638757] ctnetlink v0.93: registering with nfnetlink.
[ 2.644479] nf_tables: (c) 2007-2009 Patrick McHardy <kaber@trash.net>
[ 2.651052] nf_tables_compat: (c) 2012 Pablo Neira Ayuso <pablo@netfilter.org>
[ 2.658870] xt_time: kernel timezone is -0000
[ 2.664029] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 2.669830] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully
[ 2.676411] arp_tables: (C) 2002 David S. Miller
[ 2.681202] TCP: cubic registered
[ 2.686086] NET: Registered protocol family 10
[ 2.692718] sit: IPv6 over IPv4 tunneling driver
[ 2.699067] NET: Registered protocol family 17
[ 2.703591] can: controller area network core (rev 20120528 abi 9)
[ 2.710105] NET: Registered protocol family 29
[ 2.714765] can: raw protocol (rev 20120528)
[ 2.719069] can: broadcast manager protocol (rev 20120528 t)
[ 2.724877] can: netlink gateway (rev 20130117) max_hops=1
[ 2.731006] Bluetooth: RFCOMM TTY layer initialized
[ 2.736164] Bluetooth: RFCOMM socket layer initialized
[ 2.741382] Bluetooth: RFCOMM ver 1.11
[ 2.745239] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 2.750579] Bluetooth: BNEP filters: protocol multicast
[ 2.755891] Bluetooth: BNEP socket layer initialized
[ 2.760884] Bluetooth: HIDP (Human Inte**ce Emulation) ver 1.2
[ 2.766879] Bluetooth: HIDP socket layer initialized
[ 2.771966] 8021q: 802.1Q VLAN Support v1.8
[ 2.776363] Key type dns_resolver registered
[ 2.782148] cpu cpu0: dev_pm_opp_get_opp_count: device OPP not found (-19)
[ 2.807830] gpio_dvfs: disabling
[ 2.811108] vref-3v3: disabling
[ 2.814395] usb_otg1_vbus: disabling
[ 2.817999] VSD_3V3: disabling
[ 2.821074] can-3v3: disabling
[ 2.824712] regulator-dummy: disabling
[ 2.828981] imx mcc test is registered.
[ 2.833556] snvs_rtc 20cc034.snvs-rtc-lp: setting system clock to 1970-01-01 00:00:00 UTC (0)
[ 2.861051] ALSA device list:
[ 2.864169] No soundcards found.
[ 2.868503] yaffs: dev is 32505861 name is "mtdblock5" ro
[ 2.874126] yaffs: passed flags ""
[ 2.929477] random: nonblocking pool is initialized
[ 3.865605] VFS: Mounted root (yaffs2 filesystem) readonly on device 31:5.
[ 3.872834] devtmpfs: mounted
[ 3.876713] Freeing unused kernel memory: 396K (80a7f000 - 80ae2000)
Mounting /proc and /sys
Starting the hotplug events dispatcher udevd
Synthesizing initial hotplug even[ 4.286465] udevd (95): /proc/95/oom_adj is deprecated, please use /proc/95/oom_score_adj instead.
ts
[ 6.953932] 1-0030 supply DOVDD not found, using dummy regulator
[ 6.960087] 1-0030 supply DVDD not found, using dummy regulator
[ 7.025183] 1-0030 supply AVDD not found, using dummy regulator
[ 7.154078] ov9650_read_reg:write reg error:reg=1c
[ 7.158901] camera ov9650 is not found
Setting the hostname to freescale
Mounting filesystems
Starting inetd:
Starting syslogd and klogd
[ 9.000244] flexcan 2090000.can can0: writing ctrl=0x0e312085
[ 9.026990] flexcan 2094000.can can1: writing ctrl=0x0e312085
Reconfiguring network inte**ces... ifdown: inte**ce eth0 not configured
ifdown: inte**ce eth1 not configured
RTNETLINK answers: No such device
RTNETLINK answers: Network is unreachable
RTNETLINK answers: No such device
RTNETLINK answers: Network is unreachable
done.
alsactl: load_state:1625: No soundcards found...
[ 9.440517] Trying to free nonexistent resource <0000000087b00000-0000000087c76fff>
calibrated
1970-01-01 00:00:07: (log.c.166) server started
Copyright (C) 2006-2016 Forlinx Embedded Technology Co., Ltd All Rights Reservedwww.forlinx.com
freescale login: 您好
您可以在把屏放在我们的开发板上试一下 排除一下是否是硬件问题 谢谢，最后找到问题，背光芯片虚汗导致
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