RE: [RFC 5/8] remoteproc: add davinci implementation

[Nori, Sekhar]

Hi Mark,

On Tue, Jul 05, 2011 at 22:24:21, Grosen, Mark wrote:
> > From: Nori, Sekhar
> > Sent: Monday, July 04, 2011 10:35 PM
> > To: Grosen, Mark; Sergei Shtylyov
> 
> ...
> > > > Since procedure to set the boot address varies across DaVinci
> > > > platforms, you could have a callback populated in platform data
> > > > which will be implemented differently for original DaVinci and
> > > > DA8xx devices.
> > >
> > > I looked at DM6467 and it's the same as OMAPL13x, except at a
> > different
> > > address. Rather than a callback, it could be just an address in the
> > > platform data.
> > 
> > Sounds okay as long as _all_ the DaVinci devices have the same
> > bit to be set. Plus, I hope there are no other users of the
> > register so that there is no race with other platform code using
> > the same register.
> 
> Sekhar,
> 
> The register is a dedicated 32-bit register that holds the start/boot
> address for the DSP, so no other platform code should be using it. Once
> the LRST is de-asserted (via the PSC code enhancement), the DSP starts
> execution at the address in this register.

Okay. I had misunderstood this as a bit which is used to reset the DSP.
Thanks for clarifying.
 
Regards,
Sekhar

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/