Uboo

wx__v6zkdA

t：先是用RKDevTool.exe的高级功能烧录MiniLoaderAll.bin到Boot，然后在下载镜像处烧录u-boot-rk3588-firefly文件中的u-boot分区，在串口启动阶段出现：
DDR V1.13 25cee80c4f cym 23/08/11-09:31:58LPDDR4, 2112MHzchannel[0] BW=16 Col=10 Bk=8 CS0 Row=16 CS=1 Die BW=16 Size=1024MBchannel[1] BW=16 Col=10 Bk=8 CS0 Row=16 CS=1 Die BW=16 Size=1024MBchannel[2] BW=16 Col=10 Bk=8 CS0 Row=16 CS=1 Die BW=16 Size=1024MBchannel[3] BW=16 Col=10 Bk=8 CS0 Row=16 CS=1 Die BW=16 Size=1024MBManufacturer ID:0xffCH0 RX Vref:34.8%, TX Vref:13.2%,0.0%CH1 RX Vref:34.8%, TX Vref:13.2%,0.0%CH2 RX Vref:42.4%, TX Vref:13.2%,0.0%CH3 RX Vref:41.6%, TX Vref:13.2%,0.0%change to F1: 528MHzchange to F2: 1068MHzchange to F3: 1560MHzchange to F0: 2112MHzoutU-Boot SPL board initU-Boot SPL 2017.09-g5f53abfa1e-221223 #zzz (Dec 26 2022 - 09:10:09)unknown raw ID 0 0 0unrecognized JEDEC id bytes: 00, 00, 00Trying to boot from MMC2MMC: no card presentmmc_init: -123, time 0spl: mmc init failed with error: -123Trying to boot from MMC1SPL: A/B-slot: _a, successful: 0, tries-remain: 7Trying fit image at 0x4000 sector## Verified-boot: 0## Checking firmware@1 0x00200000 ... OK## Checking fdt@1 0x00368208 ... OKTotal: 105.263 msJumping to U-Boot(0x00200000)
这是什么情况？我用串口无法发送到板子上吗，并且RKDevTool.exe检测不到设备

zhangzhenzhao

从目前日志看emm异常，直接刷官方下载中的ubuntu22.04固件，并提供完整开机日志