Navigation

    全志在线开发者论坛

    • Register
    • Login
    • Search
    • Categories
    • Tags
    • 在线文档
    • 社区主页

    T113_longan_sdk uboot 没有打印启动日志

    其它全志芯片讨论区
    2
    3
    1645
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • C
      captain LV 5 last edited by

      问题:T113_longan_sdk uboot 启动的时候,串口没有打印。但是linux kernel启动的时候有打印输出。
      上电之后会延迟一会,然后打印下面内容。

      [    0.000000] Booting Linux on physical CPU 0x0
      [    0.000000] Linux version 5.4.61
      [    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
      [    0.000000] CPU: div instructions available: patching division code
      [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
      [    0.000000] OF: fdt: Machine model: sun8iw20
      [    0.000000] Memory policy: Data cache writealloc
      [    0.000000] cma: Reserved 16 MiB at 0x47000000```
      H 1 Reply Last reply Reply Quote Share 0
      • H
        Honey130602 LV 5 @captain last edited by

        @captain uboot串口确定和kernel的一致吗

        1 Reply Last reply Reply Quote Share 0
        • C
          captain LV 5 last edited by

          @honey130602
          之前在修改复用的时候,这个标号没对。现在已经修改正确了。

          uart_debug_tx   = port:PB06<7><1><default><default>
          uart_debug_rx   = port:PB07<7><1><default><default>```
          1 Reply Last reply Reply Quote Share 0
          • 1 / 1
          • First post
            Last post

          Copyright © 2024 深圳全志在线有限公司 粤ICP备2021084185号 粤公网安备44030502007680号

          行为准则 | 用户协议 | 隐私权政策