How can I check and change the LPDDR clock speed ?

Chip Platform Rockchip
1

I replaced my ROC-RK3588S-PC SBC to ubuntu firmware which you provided.
[ https://en.t-firefly.com/doc/download/142.html ]

I’d like to check the LPDDR4x clock speed during operation.
But it seems the ‘dmidecode’ command cannot use at the embedded linux.
How can I check the LPDDR clock speed ?
And what’s the LPDDR4x clock speed of ROC-RK3588S-PC SBC set in ubuntu ?

2

Does anyone know how to check the DRAM operating speed ?

3

This solved. I found the way of check the system clock frequency.

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