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AM625: GP设备的AM625x 有没有SoC_UID可以读

Part Number: AM625

我根据文档从uart boot启动,发现GP设备打印的值都一样,是不是只有HS-FS和HS-SE才有SoC_UID
3.3.1. GP to HS-FS Migration Guide — Processor SDK AM62x Documentation

同时我也看了这个e2e,描述也是只对HS-FS和HS-SE的设备有效果
https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1411078/faq-how-to-read-soc_uid-in-u-boot-on-am6x-soc

GP设备上有没有其他类似UID的值可以获取?目前我只知道MAC值是唯一的。