From: Scott Wood <scottwood@freescale•com>
To: Andres Marquez <amarquez@edgeaccess•net>
Cc: Nirmala Kakkuppi <nkakkuppi@edgeaccess•net>,
linuxppc-dev@ozlabs•org, Haysam Rachid <hrachid@edgeaccess•net>
Subject: Re: Enable Serial Management Controller (SMC) in MPC8265
Date: Mon, 27 Apr 2009 10:19:44 -0500 [thread overview]
Message-ID: <49F5CD10.9010801@freescale.com> (raw)
In-Reply-To: <1240839625.3643.19.camel@localhost.localdomain>
Andres F Marquez wrote:
> After struggling for several days with this issue we have finally
> taken a different approach to solve our problem. We wanted to interface
> our CPU (MPC8265) with a FPGA through a serial connection. Now, we are
> using a parallel interface through the data bus (defining a new memory
> region in uboot -an additional chip select).
That sounds much better.
> We tried enabling SCC's and SMC's through the kernel configuration
> in ltib,
LTIB doesn't alter device trees AFAIK... Unless you have more than two
CPM serial nodes, you won't get more than ttyCPM0 and ttyCPM1.
> but we were always getting the same tty devices device under
> "/dev". No matter how many SCC's or SMC's we enable we were always
> getting only /dev/ttyCPM0 and /dev/ttyCPM1.
Do you have a static /dev, or are you running mdev or udev? If the
latter, then any changes in the kernel or device tree are not going to
automatically show up in /dev.
-Scott
prev parent reply other threads:[~2009-04-27 15:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-23 23:50 Enable Serial Management Controller (SMC) in MPC8265 Andres F Marquez
2009-04-24 16:02 ` Scott Wood
2009-04-27 13:40 ` Andres F Marquez
2009-04-27 15:19 ` Scott Wood [this message]
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