RE: [PATCH 1/2] OMAP3 PM: move omap3 sleep to ddr

[Nishanth Menon <nm@ti.com>]

> -----Original Message-----
> From: Jean Pihet [mailto:jean.pihet@newoldbits.com]
> Sent: Thursday, November 18, 2010 9:15 AM

[...]
> >> >>
> >> >> Tested on ZOOM3, OMAP3EVM, Beagleboard, n900
> >> >> with full RET and OFF modes.
> >> >
> >> > Sorry, But I disagree with this patch.
> >> >
> >> > There is a silicon errata which cannot be handled with this - RTA
> >> disable
> >> > - errata i608
> >> >
> >> > You need to disable RTA while coming out of OFF - we cannot handle
> > this
> >> on
> >> >
> >> > GP devices if this is not done.
> >> When you come out of Core off, SRAM contents are anyway lost. So you
> >> have to run from DDR after ROM Code completes. This behavior has not
> >> changed with this patch. I fail to understand your concern here.
> > I could potentially be mistaken. Let me do one thing - I will post out
> the
> >
> > patches that I have to the list and we can see how this all works
> > together
> Ok, fine.
> I did not find any 36xx specific workaround for the errata i608 issue.
> Is there one already available?

Yes, I have a series of patches addressing that as well.. hoping to test
On EMU/HS devices prior to posting - GP devices (3430/3630) tested.
Regards,
Nishanth Menon