MPSoC QSPI flash upgrade method

Start partition

In system design , stay PetaLinux In Engineering , by boot.bin Reserve multiple startup partitions . Use command cat /proc/mtd perhaps ls /dev/mtd*, You can see multiple partitions .

Transfer the new version boot.bin

Through the network or other ways , Put the new version boot.bin Transmitted to the board Linux file system .

Write a new version boot.bin To QSPI Flash Start partition

Use flashcp Put the new version boot.bin writes QSPI Flash Start partition /dev/mtd0

        flashcp -v ./smaple.bin /dev/mtd0

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Upgrade protection

Use fallback Pattern , Upgrade protection . For example, first put /dev/mtd0, Backup to /dev/mtd1; Then use the new version boot.bin writes /dev/mtd0

Upgrade script

Xilinx Of FAE Designed relevant scripts . If necessary , Can contact FAE.

Reference documents

https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18841901/Linux+ZynqMP+GQSPI+Driver

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