about ddr configuration in imx7

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about ddr configuration in imx7

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flabyjacob
Contributor III

hello,

we got to know that DDR controller is initialized by DCD table from board.cfg file,we went through .cfg file to know about clock configuration of DDR, but we could not find any such configuration,

please help us to know how ddr clock for imx7 is configured..? or if it is configured by boot code from the internal boot ROM how we will get to know at which frequency ddr is running at..?

kindly help me.

Any assistance with this issue would be much appreciated.

i.MX Processorsimx 7d

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Yuri
NXP TechSupport
NXP TechSupport

Hello,

 

   Default memory frequency, shown in Table 6-28 (Clock root setting by ROM) of the

i.MX 7Dual Reference Manual, Rev. 1, 01/2018 is used by U-boot for Linux boot.

 

Have a great day,

Yuri.

 

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