Re: Hidden differences between hp620/660 and hp680/690

[Paul M. <le...@li...>]

On Fri, Aug 03, 2007 at 01:30:39AM +0900, Magnus Damm wrote:
> Not sure, but 7708 is missing a few things compared to the rest of the
> 770x. For interrupt related stuff please have a look at the newly
> added setup-sh770x.c file. I guess the most important part of it from
> my interrupt point of view is that 7708 doesn't support pint. And I
> remember something about CF on pint, but I'm not sure it that's true
> for all models. So there you have something related to your
> pata_platform polling. The DMA controller is also missing from 7708,
> maybe that one is used by the sound driver?
> 
The audio problems are more likely due to the TMU utilization. The sh_dac
driver explicitly clobbers TMU1, which we happen to use for the clock
source (TMU0 is the clock event timer, TMU1 the clock source). So we need
to be a bit more intelligent with regards to how we allocate TMU
channels.