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SS928用串口烧写uboot求助
1.如图所示烧写uboot失败
2.烧写uboot方式：串口烧写emmc（uboot配置已检查）如下图所示
3.时钟，电源，复位测试正常，复位设计（外部复位设计）：ss928和emmc复位同时由复位芯片输出，设计如下
4.DDR4设计：完全参考DOME板设计（单端口 两片DDR4）
现在怀疑是DDR4设计问题，有大佬用过SS928domo板DDR4参考设计并成功烧写Uboot的吗，请教大佬们有可能是什么原因造成的，实在是找不到原因了
这种情况大概率DDR问题
现在是不确定是硬件问题还是DDR4配置问题，硬件是参照官方设计，地址线没这样用过，官方手册也没DDR4时序配置的说明
用热风枪重新吹一下ddr，不排除有假焊的情况，我还遇到CPU都有假焊的。
老哥用过官方DDR4设计：地址线没有一一对应设计然后成功烧写uboot吗？
是将双颗改单颗ddr的，改了后sdk中会有工具将改过的xlsx文件转换为系统能识别的数据，再编译就OK
老哥，我再描述一下：单通道模式双颗DDR4改成单颗DDR4，DDR4的设计跟官方DMOE是一样的，将改过的xlsx文件转换后，编译后可以成功烧写uboot，是这个意思吗？
可以的
好的，感谢
已解决串口烧写uboot失败问题，可以成功，现在是uboot起不来问题。，任重而道远啊
老哥。问题解决了吗？我现在也遇到3403这个问题，方便解惑一下吗？
串口烧写失败问题吗？
我现在也遇到这个串口烧写失败的问题，方便告诉怎么解决的吗
你好 你这个问题怎么解决的 方便加个联系方式细聊吗
烧写失败打印信息是什么样的，我们跟官方联系了说DDR的设计必须完全拷贝官方的dome板设计，现在准备改板
我有个雄迈的3516cv300也是一样的问题，能凑合烧到100%，但uboot起不来，只打印第一句“system startup…”
我也遇到过这种问题，大概率是主芯片有问题
串口烧写失败问题，检查硬件上跟下电检测管脚AVDD18_PFI有关，硬件上要求必须参照官方的设计，uboot起不来跟DDR没有拷贝官方设计有关，必须完全拷贝官方的设计
串口烧写失败问题，检查硬件上跟下电检测管脚AVDD18_PFI有关,具体是哪个电路呢？能截图下吗？
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2023-11-09 17:28:34
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2024-01-24 15:16:36
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2023-01-03 18:37:40
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2024-05-13 17:17:58
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2023-07-04 10:37:21
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2020-01-21 10:19:54
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2018-12-26 16:59:26
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2019-12-26 17:20:10
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2015-01-20 17:16:14
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142014-02-25 20:10:38
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2023-08-02 11:52:10
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2023-11-18 13:55:34
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2024-10-12 09:50:58
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5Hi3516CV610 如何使用SD卡升级固件
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5cat /dev/logmpp 报错 <3>[ vi] [func]:vi_send_frame_node [line]:99 [info]:vi pic queue is full!
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50如何获取vpss chn的图像修改后发送至vo
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5FPGA通过Bt1120传YUV422数据过来，vi接收不到数据——3516dv500
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50SS928 运行PQtools 拼接 推到设备里有一半画面会异常
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53536AV100的sample_vdec输出到CVBS显示
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10海思板子mpp怎么在vi阶段改变视频数据尺寸
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10HI3559AV100 多摄像头同步模式
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9海思ss928单路摄像头vio中加入opencv处理并显示
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10EB-RV1126-BC-191板子运行自己编码的程序
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