> -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Kevin Hilman > Sent: Friday, January 30, 2009 10:42 PM > To: Woodruff, Richard > Cc: Sriram V; Peter Reid; Koen Kooi; [email protected] > Subject: Re: Beagle PM hangs > > Richard, > > "Woodruff, Richard" <[email protected]> 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
The es3 sdrc errata fix is already present in the pm branch. 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 [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
