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MPSoC QSPI Flash 升级办法
2022-07-05 08:43:00 【hankfu】
启动分区
在系统设计时,在PetaLinux工程里,为boot.bin预留多个启动分区。使用命令cat /proc/mtd或者ls /dev/mtd*,看得到多个分区。
传输新版本boot.bin
通过网络或者其它方式,把新版本boot.bin传输到单板的Linux文件系统。
写新版本boot.bin到QSPI Flash启动分区
使用flashcp 把新版本boot.bin写到QSPI Flash启动分区/dev/mtd0
flashcp -v ./smaple.bin /dev/mtd0升级保护
使用fallback模式,做升级保护。 比如先把/dev/mtd0,备份到/dev/mtd1;再使用新版本boot.bin写到/dev/mtd0
升级脚本
Xilinx的FAE设计了相关脚本。如果有需要,可以联系FAE。
参考文档
https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18841901/Linux+ZynqMP+GQSPI+Driver边栏推荐
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