Flash bmc fail due to partition incorrect

[Deng Tyler]

Hi all:
    I encounter bmc firmware update fail issue and message is "Verify
error: update: --no-flash --ignore-mount --no-save-files --no-restore-files
--no-clean-saved-files\nERROR: Unable to find mtd partition for
image-bmc.\n".

I check my flash partition and found that I lost "bmc" partition as below:


I tried to add bmc partition in dts
&bootspi {
        status = "okay";
        flash at 0 {
                status = "okay";
                m25p,fast-read;
                label = "bmc";
                spi-max-frequency = <50000000>;
#include "openbmc-flash-layout.dtsi"
        };
};

but there still is no "bmc" partition. Could someone give any suggestion?
thanks.

Tyler
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