[PATCH 1/2] ep93xx: implemented watchdog timer driver for TS-72xx SBCs

Mika Westerberg mika.westerberg at iki.fi
Fri Dec 4 07:00:14 EST 2009


On Fri, Dec 04, 2009 at 11:49:50AM +0000, Alexander Clouter wrote:
> Hi,
> 
> * Alexander Clouter <alex at digriz.org.uk> [2009-12-04 11:45:07+0000]:
> >
> > * Mika Westerberg <mika.westerberg at iki.fi> [2009-12-04 13:33:58+0200]:
> > >
> > > On Fri, Dec 04, 2009 at 10:28:21AM +0000, Alexander Clouter wrote:
> > > 
> > > > ....and also on the TS-78XX boards.  Although my TS-7800 board is being 
> > > > neglected at the moment it would be great if you could replace 
> > > > everywhere you put ts72xx with ts7xxx and such.  Means when I add the 
> > > > platform hooks for the TS-78xx I do not have to submit a patch that is a 
> > > > rather intrusive rename/relabelling one.
> > > 
> > > Is the TS-7800 watchdog timer similar than the ones in TS-72xx SBCs? I couldn't
> > > find any documentation about that in TS web site. If this is the case then
> > > I would be more than happy to do this stuff.
> > > 
> > TS made the FPGA/AVR code/hardware more or less identical to retain 
> > backwards compatibility.  Obviously the platform specific resource maps 
> > might be a little different but that is all.  The NAND, for example, is 
> > also identical on both, the TS-7800 however adds a hardware ECC and 
> > option to allow DMA transfers.
> > 
> > The details are only really documented in the source code of a tool TS 
> > provide:
> > 
> > http://svn.lee.org/swarm/trunk/spu/src/dillo7800/root/ts7800ctl.c
> > 
> Hmmmm, on closer reinspection, the AVR hides behind an I2C bus so 
> probably worth forgetting the renaming suggestion.

OK. Thanks for the information. I'll keep it as ts72xx for now.

MW



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