求助帮分析一下打印信息到底是硬件问题还是软件问题

dcdc9952

故障是不开机，谢谢各位了


UART_115200

AC_ON
BIST0-OK
BIST1-OK
#_U
Relocation Offset is: 01700000
[AT][MB][start ub][461]

U-Boot 2011.06-00000-gced19d3-dirty (Nov 20 2018 - 15:04:47)

[SYS][Utopia]: Function = SYSOpen, Line = 1143, current resource pri_shm content is: 0
[SYS][Utopia]: Function = SYSOpen, Line = 1162, [SYS INFO] OPEN INSTANCE...
create instance at 28CEB240 with private size 128 bytes at 28CEB288
[MIU][Utopia]:
[MIU INFO] miu opencreate instance at 28CEB310 with private size 80 bytes at 28CEB358
create instance at 28CEB3B0 with private size 48 bytes at 28CEB3F8

uboot held at [28ADDF60~2A500000],size=01A220A0
DRAM:  165 MiB
Now running in RAM - U-Boot at: 29B00000

eMMC: HS200 200MHz
eMMC 3.63 GB [747FF8h]
SAR5=ON
In:    serial
Out:   serial
Err:   serial
Net:   No ethernet found.
MAC:  0x78: 0xDD: 0xD9: 0xCA:0xE0: 0x8
[CPU][Utopia]:
[CPU INFO] cpu opencreate instance at 28CFB868 with private size 44 bytes at 28CFB8B0
[CPU][Utopia]: CPUIoctl - MDrv_CMD_CPU_QueryClock
[UTOPIA INFO] close moduleNames[tu]:  `xV4

[AT][MBoot][Driver Init][633]
[cvte]wakeup source: 0

<env reload for CHECK_IF_MBOOT_DEFAULT_ENV>
mmc change mount : system
** File not found /etc/set_env
[ERROR] vfs_getsize:420: ext4filesize mmc fail, try again!
** File not found /etc/set_env
[ERROR] vfs_getsize:424: ext4filesize mmc fail
[ERROR] loadscript:866: No enough buffer or path fail(/etc/set_env) :
[src/MsUtility.c] [loadscript]
MPOOL size : 0x200000

Changelist:     24543697
============= set bootargs ===============
Hit any key to stop autoboot:  0
====cvte do_cvt_check_usb  ====
AC on
====cvte power on check usb and upgrade ====
<358> do_cvte_init_at_prama4env
Check USB port[0]:
[USB] usb_lowlevel_init++
[USB] USB EHCI LIB VER: 2014.10.02
[USB] Port 0 is Enabled
[USB] TV_usb_init (UTMI Init) ++
[USB] UTMI Base 1F207500
[USB] UHC Base 1F204800
[USB] USBC Base 1F200E00
[USB] BC Base 1F246C00
[USB] config miu select [30] [74] [FF] ][FF]
[USB] enable miu lower bound address subtraction
[USB] init squelch level 0x2
[USB] TV_usb_init--
[USB] Usb_host_Init++
[USB] Async base addr: 0xA4DEB80
[USB] Reg 0x28: 0xEB80 0xA4D
[USB] disable run
[USB] Host Speed:2
[USB] enable aynch
[USB] Usb_host_Init--
[USB] usb_lowlevel_init--
scanning bus for devices... [USB] control1 max:40

[USB] interface[0] conf:1 value FF:
1 USB Device(s) found
       scanning bus for storage devices... 0 Storage Device(s) found
Check USB port[1]:
[USB] usb_lowlevel_init++
[USB] USB EHCI LIB VER: 2014.10.02
[USB] Port 1 is Enabled
[USB] TV_usb_init (UTMI Init) ++
[USB] UTMI Base 1F207400
[USB] UHC Base 1F201A00
[USB] USBC Base 1F200F00
[USB] BC Base 1F246C40
[USB] config miu select [30] [74] [FF] ][FF]
[USB] enable miu lower bound address subtraction
[USB] init squelch level 0x2
[USB] TV_usb_init--
[USB] Usb_host_Init++
[USB] No USB is connecting
[USB] USB init failed
[USB] usb_lowlevel_init--
Error, couldn't init Lowlevel part
Check USB port[2]:
[USB] usb_lowlevel_init++
[USB] USB EHCI LIB VER: 2014.10.02
[USB] Port 2 is Enabled
[USB] TV_usb_init (UTMI Init) ++
[USB] UTMI Base 1F207200
[USB] UHC Base 1F227200
[USB] USBC Base 1F227000
[USB] BC Base 1F246C80
[USB] config miu select [30] [74] [FF] ][FF]
[USB] enable miu lower bound address subtraction
[USB] init squelch level 0x2
[USB] TV_usb_init--
[USB] Usb_host_Init++
[USB] No USB is connecting
[USB] USB init failed
[USB] usb_lowlevel_init--
Error, couldn't init Lowlevel part

<358> custar = -1

<358> USB Disk Not Found

<CVTE> do_cvte_get_mac_from_emmc
block_data[0]:78
block_data[1]D
block_data[2]9
block_data[3]:CA
block_data[4]:E0
block_data[5]:08
<358> Read MAC Value-->78D9:CA:E0:08
EMMC MAC-->78:dd:d9:ca:e0:08 , ENV MAC-->78:dd:d9:ca:e0:08
EMMC ETH-->78:dd:d9:ca:e0:08 , ETH MAC-->78:dd:d9:ca:e0:08

<358> do_cvte_init_at_env_by_value AT_Read=0 OR AT_B=0 OR AT_T=0 OR AT_K=0 OR AT_BOOTCH=0
Same as console=ttyS0,115200 androidboot.console=ttyS0 root=/dev/ram rw rootwait init=/init CORE_DUMP_PATH=/data/core_dump.%%p.gz KDebug=1 androidboot.selinux=permissive swiotlb=512 LX_MEM=0xD000000 LX_MEM2=0xA1C00000,0xE400000 EMAC_MEM=0x100000 PM51_ADDR=0x20010000 PM51_LEN=0x10000 tee_mode=nuttx SAR5=ON recovery_fbaddr=0xD300000 CMA0=VDEC_XC_STR_MBOOT,miu=0,hid=26,sz=0x2800000,st=0x8400000 CMA1=RETURN_ENUM2,miu=1,hid=27,sz=0xc00000,st=0x1c00000 CMA2=VDEC1,miu=1,hid=19,sz=0x3000000,st=0x2800000 platform=sn MIRROR=0 BOOTLOGO_IN_MBOOT ENV_VAR_OFFSET=0x0 ENV_VAR_SIZE=0x10000 ENV=EMMC SECURITY=ON
<638> AT Start UART Control-init_pram.AT_P=0

UART BUS OFF 1!!!

到这里就停住了。

晨星电器

拆下EMMC芯片重写数据试试   也有可能EMMC芯片损坏

史同成

总线关闭了

良田197377

内存满了