How did i write and read IPU2's regs in uboot?

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How did i write and read IPU2's regs in uboot?

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wyb0116
Contributor II

I have a problem when debug imx6dq chips, when i use uboot command "mw" writing 0x02a0_0000 Configuration Register (IPU2_CONF) the uboot program will die. it means IPU2's reg can not write or read any time in uboot? or may be has another way to write and read IPU2's regs?

please help me.

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi wang

please check that ipu2 clocks are  enabled in CCM Clock Gating Registers 

(CCM_CCGR3).

Best regards
igor
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89 Views
igorpadykov
NXP TechSupport
NXP TechSupport

Hi wang

please check that ipu2 clocks are  enabled in CCM Clock Gating Registers 

(CCM_CCGR3).

Best regards
igor
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

View solution in original post