Reset DDRC/DDR PHY for LPDDR3

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Reset DDRC/DDR PHY for LPDDR3

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EvenFlow
Contributor I

Hi,

Is it possible to reset and re-initialize the DDR controller and PHY at boot?

We would like to first read the LPDDR3 mode register 5 with the DDRC running at 24 Mhz, and then re-initialize the DDRC controller/PHY running at the normal 528 Mhz (using slightly different settings depending on the LPDDR3 detected).

 

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pengyong_zhang
NXP Employee
NXP Employee

Hi @EvenFlow 

Sorry, Now we don't support reset and re-initialize the DDR controller and PHY at boot, In boot process, only support one frequency point boot.

B.R

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pengyong_zhang
NXP Employee
NXP Employee

Hi @EvenFlow 

Sorry, Now we don't support reset and re-initialize the DDR controller and PHY at boot, In boot process, only support one frequency point boot.

B.R