LPPDDR2 support in Android O release on imx6dl

[prasannakulkarni]

Hi,

     We have customized board having imx6dl and lpddr2 .. i need to port Android Oreo 8.0.0_1.0.0 release on this...

1.What all files I need to change in u-boot (2017.x) to integrate lpddr2? 

  I have tried to change *dl*.cfg file in uboot according to our Lpddr2 timings... But it didnt work... Is there any other files i need to change...??

2. If it works in uboot, then How to handle lpddr2 power management in kernel? 

[igorpadykov]

Hi Prasanna

one can try to port i.MX6DL lpddr2 patches to new kernels

i.MX6DL LPDDR2 Support for L3.0.35_4.0.0 

using linux documentation (Linux Manual, Power Management section)

i.MX Software | NXP 

Best regards
igor
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[prasannakulkarni]

Hi igorpadykov,

       what you have mentioned is very old link goes back to 2013. many things have changed, entire source structure has been changed. Anybody have tried to port ANDROID Oreo on imx6DL having lpddr2?

(u-boot version 2017.x, Linux kernel 4.9, Android 8.0.0).

        We have changed mx6dlsabresd.cfg file in u-boot which contains DCD related timings as our lpddr2 settings,  but it didn't work.

[igorpadykov]

>Anybody have tried to port ANDROID Oreo on imx6DL having lpddr2?
>(u-boot version 2017.x, Linux kernel 4.9, Android 8.0.0).

unfortunately I am not aware of such efforts.

Best regards
igor