Intro and some questions

[anish singh]

On Wed, Feb 20, 2013 at 1:01 PM, NeonJohn <jgd at neon-john.com> wrote:
> Greetings,
>
> I just discovered this list while beating my head against the wall
> (kernel noobs do that a lot, I hear).  I thought I'd introduce myself.
>
> I'm mainly an EE but with fairly extensive Unix and Linux user space
> coding and with embedded system programming.  I'm a newborn infant when
> it comes to the kernel.
>
> I'm working with the BeagleBone and Robert Nelson's Angstrom derivative
>
> https://github.com/RobertCNelson/stable-kernel
>
> I intend to embed the BB in our new product if I can solve a small
> problem.  The BB has 2 SPI ports, 1 with 1 chip select and the other
> with 2.  Only one port is supported in the standard kernel.  I found
> some info that guided me into activating the new port and having all
> three devices enumerated in /dev.
Which three devices?
>
> What I have not yet been able to do is figure out how to enable that
> second chip select line.  So my first question is, where do I start
What does this second chip select line does?
> looking for the existing code?  I'm hoping that I'll be lucky enough to
> reuse that code, changing a bit or two in the CPU register.
Can you show us the schematic?
>
> Thanks,
> John
>
> --
> John DeArmond
> Tellico Plains, Occupied TN
> http://www.fluxeon.com      <-- THE source for induction heaters
> http://www.neon-john.com    <-- email from here
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>
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