BMC User Guide (Latest)

Flash MCU from BMC

IGX BMC can flash the MCU Firmware and upgrade the MCU. To flash MCU, you need to follow below steps,

  1. Go to the mcu-flash directory.

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    root@mgx-3809:~# cd /etc/smcu-flash


  2. Copy the MCU firmware file from the package to BMC using scp.

  3. Stop the console service.

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    root@mgx-3809:~# systemctl stop obmc-console\\@ttyS2.service


  4. Flash MCU firmware and provide the MCU firmware file path.

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    ./flash_tc39x.py <serial port> 921600 <FW File>

    Example:

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    root@mgx-3809:~# ./flash_tc39x.py ttyS2 921600 ./P3740_TC39x_Aurix.hex


  5. Start the console service when you have finished mcu-flash.

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    systemctl start obmc-console\\@ttyS2.service


  6. Reset SMCU:

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    root@mgx-3809:~# cd /etc/smcu-flash root@mgx-3809:/etc/smcu-flash# ./smcu-flash.sh smcu_reset


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