智能主板进入控制台方法和命令

 UART BUS OFF!!

上面是开机所有打印，可以看到最后面明显的串口关闭标志，连Linux内核加载标志Starting kernel   ...都看不到，假如要打开串口，先重新上电进入控制台，如下：

AC_ON

MIU0_DQS-OK

MIU1_DQS-OK

BIST0-OK

BIST1-OK

_U

Relocation Offset is: 01200000

[AT][MB][start ub][329]

U-Boot 2011.06 (Dec 30 2015 - 14:41:55)  MBOT-2.12.$Change: 1142033 $

[MIU INFO] miu opencreate instance at 345aa550 with private size 80 bytes at 345aa598

create instance at 345aa5f0 with private size 48 bytes at 345aa638

uboot held at [342ddf60~36200000],size=01f220a0

CPU  : Muji

Board: BD_MST072B_20AEV_MUJI

DRAM:  354 MiB

Now running in RAM - U-Boot at: 35300000

FCIE_MODE_GPIO_PAD_DEFO_SPEED

FCIE_MODE_8BITS_MACRO_HIGH_SPEED

FCIE_MODE_32BITS_MACRO_HS200

eMMC: HS200 200MHz 

eMMC 7.28 GB [E8FFF8h]

In:    serial

Out:   serial

Err:   serial

Net:   No ethernet found.

 Set MAC default

MAC:  0x0: 0x30: 0x1b: 0xba:0x2: 0xdb

#######################################################################

#######################################################################

[CPU INFO] cpu opencreate instance at 345baaf8 with private size 44 bytes at 345bab40

CPUIoctl - MDrv_CMD_CPU_QueryClock

[UTOPIA INFO] close moduleNames[38]: MODULE_CPU

msIR_Initialize

[AT][MBoot][Driver Init][493]

MPOOL size : 0x200000

Changelist:     24543697

============= set bootargs ===============

Hit any key to stop autoboot:  0 

<< MStar >># 

<< MStar >># 

<< MStar >># 

<< MStar >># 

<< MStar >># 

<< MStar >># setenv UARTOnOff on

<< MStar >># saveenv

Saving Environment to MMC...

Writing to MMC(0)... 128 blocks written: OK

128 blocks written: OK

done

<< MStar >># reset

输入以上三个命令后会自动重启，我们再看看打印信息发生了什么变化。

<< MStar >># reset

[AT][MB][start do_reset] 

do_reset: Using RIU_MAP: 0x1f000000, at 55

UART_115200

AC_ON

MIU0_DQS-OK

MIU1_DQS-OK

BIST0-OK

BIST1-OK

_U

Relocation Offset is: 01200000

[AT][MB][start ub][341]

U-Boot 2011.06 (Dec 30 2015 - 14:41:55)  MBOT-2.12.$Change: 1142033 $

[MIU INFO] miu opencreate instance at 345aa550 with private size 80 bytes at 345aa598

create instance at 345aa5f0 with private size 48 bytes at 345aa638

uboot held at [342ddf60~36200000],size=01f220a0

CPU  : Muji

Board: BD_MST072B_20AEV_MUJI

DRAM:  354 MiB

Now running in RAM - U-Boot at: 35300000

FCIE_MODE_GPIO_PAD_DEFO_SPEED

FCIE_MODE_8BITS_MACRO_HIGH_SPEED

FCIE_MODE_32BITS_MACRO_HS200

eMMC: HS200 200MHz 

eMMC 7.28 GB [E8FFF8h]

In:    serial

Out:   serial

Err:   serial

Net:   No ethernet found.

 Set MAC default

MAC:  0x0: 0x30: 0x1b: 0xba:0x2: 0xdb

#######################################################################

#######################################################################

[CPU INFO] cpu opencreate instance at 345baaf8 with private size 44 bytes at 345bab40

CPUIoctl - MDrv_CMD_CPU_QueryClock

[UTOPIA INFO] close moduleNames[38]: MODULE_CPU

msIR_Initialize

[AT][MBoot][Driver Init][530]

MPOOL size : 0x200000

Changelist:     24543697

============= set bootargs ===============

Hit any key to stop autoboot:  0 

run_ubootcmd_from_mtd0::368::cmd=mmc read.p 0x25000000 misc 1088

AC on

Writing to MMC(0)... 128 blocks written: OK

128 blocks written: OK

done

mmc change mount : tclconfig

Loading file "/mstar/tvconfig/config/PM.bin" at offset 0x0 from mmc device 0 partition tclconfig

24575 bytes read

Wait for PM51 stand波H?KVS&$琞Z恫 code time Jan 08 2016  20:00:00

Hi Main

CRC Check OPEN: 1

Power Down

standby by tcl system