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CM5怎么进U-boot

Pi CM5
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  • A
    Albert last edited by Aug 5, 2024, 8:55 AM

    在CM5启动uboot开始阶段, 怎样设暂停, 这样可以设置一些uboot环境变量?

    J 1 Reply Last reply Aug 5, 2024, 11:49 AM Reply Quote 0
    • J
      jack_admin @Albert last edited by Aug 5, 2024, 11:49 AM

      @Albert 和cool pi 4b一样,上电,串口快速连续输入大写CP

      A 2 Replies Last reply Aug 7, 2024, 9:09 AM Reply Quote 0
      • A
        Albert @jack_admin last edited by Aug 6, 2024, 1:34 AM

        @jack_admin 谢谢, 测试有效

        1 Reply Last reply Reply Quote 0
        • A
          Albert @jack_admin last edited by Aug 7, 2024, 9:09 AM

          @jack_admin 我执行了一个 env default -f -a 的命令后, 输入CP就无效了, 这种情况除了重新刷uboot, 还有没有其他的方式? esc/space/enter这3个键也不行.

          J 1 Reply Last reply Aug 7, 2024, 12:10 PM Reply Quote 0
          • J
            jack_admin @Albert last edited by Aug 7, 2024, 12:10 PM

            @Albert 这命令不会影响。

            A 1 Reply Last reply Aug 7, 2024, 2:09 PM Reply Quote 0
            • A
              Albert @jack_admin last edited by Aug 7, 2024, 2:09 PM

              @jack_admin 我觉得也不会影响, 但是实际情况就是输入不了CP, 很奇怪, 明天再试一试

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