On Tue, 2005-04-19 at 13:57 +0200, Robin Farine wrote:
> On Tuesday 19 April 2005 13.27, Lothar Wassmann wrote:
>
> > > However, I'm still having trouble. Perhaps you have an idea?
> > > I can't seem to get the chip/driver to generate the CLKRDY bit
> > > in the HCuPINT register, so it always fails due to no clock
> > > started. I can read/write registers okay. I'm using the
> > > software reset, but it's not entering the timeout condition.
>
> > Maybe Olav can comment on this, since the SW reset routine has
> > been taken literally from his driver.
>
> On a PXA-26x based platform running Olav's isp116x-hcd driver and
> making use of the software reset, the same problem occurred. The
> driver worked fine with the CLKRDY bit test removed though. In my
> case, the CLKRDY bit was not set during the whole hdc
> initialization process. So I guess Lothar's interpretation of the
> documentation is accurate.
I was seeing this problem on a PXA255 with an isp1160. It went away when
I corrected the H_WAKEUP pin to be pulled in the right direction, I
can't remember if it needs to be pulled up or down but it needs to be in
the state that doesn't cause a wakeup.
Ian.
--
Ian Campbell
Current Noise: Firebird - Zoltana
Mr. Cole's Axiom:
The sum of the intelligence on the planet is a constant; the
population is growing.
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