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
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