Richard, "Woodruff, Richard" <r-woodru...@ti.com> writes:
>> 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. Another possibility is that the the memory timings for the custom board are not set correctly. Richard, Do you have pointers to CDP/zoom code that has a workaround for the 3430 > es3 errata as well as the 'ctrl sequence issue' you mentioned? Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html