RE: [PATCH] Palm TE Touchscreen and fixes

Woodruff, Richard
2006-01-16T23:41:50Z

The 310 shouldn't have a DSP, however early chips may have had one (1510
perhaps with a mask tweak).

Regards,
Richard W.

> Hi there,
>
> > Regarding changes to clock.[ch], we should have CLOCK_IN_OMAP1510
and
> > CLOCK_IN_OMAP3XX separate. At least the DSP clocks should not be on
310
> > because it does not have a DSP AFAIK. They may be also other clocks
that
> > are not on 310.
> >
> > Could you please redo the clock.[ch] patch so it adds
CLOCK_IN_OMAP3XX,
> > and masks it only for the clocks you think you have on 310?
> >
> > Or if you don't know which clocks are on both 310 and 1510, you
could
> > just leave out DSP clocks for now, and enable all other 1510 clocks
> > also for 310.
>
> Indeed, I don't know which clocks are there and I don't know if the
> board has a DSP or not. There is no real documentation for OMAP310
> publicly availiable. The product page
>
(http://focus.ti.com/general/docs/wtbu/wtbuproductcontent.tsp?templateId
=6
> 123&navigationId=11997&path=templatedata/cm/product/data/omap_310)
> doesn't mention DSP, except the line
> "Digital Phase-Locked Loop (DPLL) for MPU/DSP/TC Clocking Control",
> however it is said that OMAP310 is similar to OMAP5910
> (http://focus.ti.com/docs/prod/folders/print/omap5910.html) which is
> fully documented and this one definitely has a DSP.
> After disabling the DSP related clocks and the DSP initialisation,
> McBSP fails to initialise with the message: "mcbsp: could not acquire
> dsp_ck handle", nevertheless the kernel still boots and everything
> works fine. (It feels bad not knowing what's inside your computer.)
> I'm attaching the same patch but with CLOCK_IN_OMAP1510 and
> CLOCK_IN_OMAP310 separate and everything DSP-related turned off.
> Regards,
> --
> balrog 2oo6
>
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