> I wait for a min and try to wakeup - It works.
>
> If i wait a little longer before waking it up say, 3 or 4 minutes.
> It does not wakeup.
That is consistent with your memory not being placed into self refresh properly.
5 general bugs I've seen over time:
sw bug:
- ctrl sequence issue before sleep
- CKE balls not muxed correctly
- crash on unexpected wake path
chip bug:
- (3430 >= es3 requires a errata sequence to work)
board bug:
- hooking ddr-chip-CKE wrongly or a way OMAP doesn't support like sharing between dies.
Regards,
Richard W.
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