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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