[PATCH] arm: omap: introduce OMAP MCOP board file

[Fillinger, Michael]

On Tue, Apr 05, 2011 at 11:37 AM +0300, Felipe Balbi wrote:
> On Tue, Apr 05, 2011 at 12:32:50PM +0300, Felipe Balbi wrote:
> > From: Michael Fillinger <m-fillinger at ti.com>
> >
> > MCOP is an FPGA-based Silicon Validation platform
> > which is used to test particular IPs inside OMAP
> > before we have a real ASIC.
> >
> > Signed-off-by: Michael Fillinger <m-fillinger at ti.com>
> >
> > [ balbi at ti.com : few cleanups here an there and also
> >     removal of some unnecessary code. ]
> >
> > Signed-off-by: Felipe Balbi <balbi at ti.com>
>
> I should have RFCed this one, but bear with me for a minute.
>
> This is just the bare minimum board-file for MCOP, there's still a bunch
> of changes needed to get it actually booting. The attached diff shows
> many of them.
>
> Now, we don't want to send that patch upstream for obvious reasons and
> we also don't want to add ifdefs to clock data files as that would break
> multi-omap. What do you guys suggest ? How should we handle detection of
> MCOP so that we choose correct HWMODs and clock data files for it ?
>
> I don't think Linus will like if we add yet another hwmod + clk data
> file just for MCOP, so we need to re-use what's in tree.
>
> --
> Balbi

What you need to know about the MCOP system, based on OMAP2420, is that there is no PRCM and no complex clock trees, or power management. There is just 1 main driver clock. As such the "clock tree" can be extremely simplified.

Michael


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