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Date: Sun, 5 Feb 2012 09:58:39 -0500 (EST)
From: "Robert P. J. Day" <rpjday@crashcourse.ca>
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Subject: Re: how do i add the defn for the beagle xM to barebox?
To: =?ISO-8859-15?Q?Eric_B=E9nard?= <eric@eukrea.com>
Cc: barebox@lists.infradead.org

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On Sun, 5 Feb 2012, Eric B=E9nard wrote:

> Hi Robert,
>
> Le Sun, 5 Feb 2012 06:52:28 -0500 (EST),
> "Robert P. J. Day" <rpjday@crashcourse.ca> a =E9crit :
> >   thoughts?  i'd actually like to make the tweaks one at a time so
> > that the git log shows clearly how the two boards differ one feature
> > at a time.
>
> By sensing a few GPIO, you can easily check which board you are running
> barebox on and thus have ony binary which supports all beagleboards
> (as already done in u-boot).
>
> Check around line 108 in u-boot's beagle support for the details :
> http://git.denx.de/?p=3Du-boot.git;a=3Dblob;f=3Dboard/ti/beagle/beagle.c;=
h=3D5c04b34e1ab0140aca93e7752c8672ce7aebc0b9;hb=3DHEAD
>
> So in the end you can register the nand support only if you run on a
> board which has a NAND flash and have one defconfig for all
> beagleboards (some tweaks in the clock settings may be nedded -
> especially for USB IIRC - as beagle XM is built around a DM3730 which
> can run at 1GHz when older beagles had older OMAP3530 limited to
> 720MHz).

  ah, thank you, that might be what i'm after.  we'll see if that's
enough to handle all of the differences.  i may very well be back with
more questions later.  in fact, count on it. :-)

rday

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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