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we have develop RV1106 Based customized Board

RV1106 3 hours ago13 visualizzazioni
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Dear Team,

We are facing an eMMC initialization issue on the RV1106 board during normal boot, with the following error reported in the boot log:

mmc0: switch to bus width 8 failed

Although the firmware image is being flashed successfully to the eMMC in boot mode, the board encounters this issue during normal boot and waits for the root device /dev/mmcblk0p7.

please check the below log file and let me know how to solve the issue

3.326582] mmc_host mmc0: Bus speed (slot 0) = 49500000Hz (slot req 52000000Hz, actual 49500000HZ div = 0)
[ 3.331323] mmc_host mmc2: Bus speed (slot 0) = 300000Hz (slot req 300000Hz, actual 300000HZ div = 0)
[ 3.336923] mmc_host mmc1: Bus speed (slot 0) = 300000Hz (slot req 300000Hz, actual 300000HZ div = 0)
[ 3.365524] mmc_host mmc2: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0)
[ 3.388741] ALSA device list:
[ 3.388771] #0: rv1106-acodec
[ 3.389095] Waiting for root device /dev/mmcblk0p7...
[ 3.397314] mmc_host mmc1: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0)
[ 3.413896] mmc_host mmc2: Bus speed (slot 0) = 187500Hz (slot req 100000Hz, actual 93750HZ div = 1)
[ 3.445417] mmc_host mmc1: Bus speed (slot 0) = 187500Hz (slot req 100000Hz, actual 93750HZ div = 1)
[ 3.685394] mmc0: switch to bus width 8 failed

Regards,
Mahesh

mahesh

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